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164,200
nats-io/gnatsd
server/gateway.go
sendAccountUnsubToGateway
func (c *client) sendAccountUnsubToGateway(accName []byte) { // Check if we have sent the A- or not. c.mu.Lock() e, sent := c.gw.insim[string(accName)] if e != nil || !sent { // Add a nil value to indicate that we have sent an A- // so that we know to send A+ when needed. c.gw.insim[string(accName)] = nil var protoa [256]byte proto := protoa[:0] proto = append(proto, aUnsubBytes...) proto = append(proto, accName...) proto = append(proto, CR_LF...) c.sendProto(proto, false) if c.trace { c.traceOutOp("", proto[:len(proto)-LEN_CR_LF]) } } c.mu.Unlock() }
go
func (c *client) sendAccountUnsubToGateway(accName []byte) { // Check if we have sent the A- or not. c.mu.Lock() e, sent := c.gw.insim[string(accName)] if e != nil || !sent { // Add a nil value to indicate that we have sent an A- // so that we know to send A+ when needed. c.gw.insim[string(accName)] = nil var protoa [256]byte proto := protoa[:0] proto = append(proto, aUnsubBytes...) proto = append(proto, accName...) proto = append(proto, CR_LF...) c.sendProto(proto, false) if c.trace { c.traceOutOp("", proto[:len(proto)-LEN_CR_LF]) } } c.mu.Unlock() }
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// Helper that sends an A- to this remote gateway if not already done. // This function should not be invoked directly but instead be invoked // by functions holding the gateway.pasi's Lock.
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7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/gateway.go#L2292-L2311
164,201
nats-io/gnatsd
server/gateway.go
getAccountFromGatewayCommand
func getAccountFromGatewayCommand(c *client, info *Info, cmd string) string { if info.GatewayCmdPayload == nil { c.sendErrAndErr(fmt.Sprintf("Account absent from receive-all-subscriptions-%s command", cmd)) c.closeConnection(ProtocolViolation) return "" } return string(info.GatewayCmdPayload) }
go
func getAccountFromGatewayCommand(c *client, info *Info, cmd string) string { if info.GatewayCmdPayload == nil { c.sendErrAndErr(fmt.Sprintf("Account absent from receive-all-subscriptions-%s command", cmd)) c.closeConnection(ProtocolViolation) return "" } return string(info.GatewayCmdPayload) }
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// small helper to get the account name from the INFO command.
[ "small", "helper", "to", "get", "the", "account", "name", "from", "the", "INFO", "command", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/gateway.go#L2529-L2536
164,202
nats-io/gnatsd
logger/log.go
NewStdLogger
func NewStdLogger(time, debug, trace, colors, pid bool) *Logger { flags := 0 if time { flags = log.LstdFlags | log.Lmicroseconds } pre := "" if pid { pre = pidPrefix() } l := &Logger{ logger: log.New(os.Stderr, pre, flags), debug: debug, trace: trace, } if colors { setColoredLabelFormats(l) } else { setPlainLabelFormats(l) } return l }
go
func NewStdLogger(time, debug, trace, colors, pid bool) *Logger { flags := 0 if time { flags = log.LstdFlags | log.Lmicroseconds } pre := "" if pid { pre = pidPrefix() } l := &Logger{ logger: log.New(os.Stderr, pre, flags), debug: debug, trace: trace, } if colors { setColoredLabelFormats(l) } else { setPlainLabelFormats(l) } return l }
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// NewStdLogger creates a logger with output directed to Stderr
[ "NewStdLogger", "creates", "a", "logger", "with", "output", "directed", "to", "Stderr" ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/logger/log.go#L38-L62
164,203
nats-io/gnatsd
logger/log.go
NewFileLogger
func NewFileLogger(filename string, time, debug, trace, pid bool) *Logger { fileflags := os.O_WRONLY | os.O_APPEND | os.O_CREATE f, err := os.OpenFile(filename, fileflags, 0660) if err != nil { log.Fatalf("error opening file: %v", err) } flags := 0 if time { flags = log.LstdFlags | log.Lmicroseconds } pre := "" if pid { pre = pidPrefix() } l := &Logger{ logger: log.New(f, pre, flags), debug: debug, trace: trace, logFile: f, } setPlainLabelFormats(l) return l }
go
func NewFileLogger(filename string, time, debug, trace, pid bool) *Logger { fileflags := os.O_WRONLY | os.O_APPEND | os.O_CREATE f, err := os.OpenFile(filename, fileflags, 0660) if err != nil { log.Fatalf("error opening file: %v", err) } flags := 0 if time { flags = log.LstdFlags | log.Lmicroseconds } pre := "" if pid { pre = pidPrefix() } l := &Logger{ logger: log.New(f, pre, flags), debug: debug, trace: trace, logFile: f, } setPlainLabelFormats(l) return l }
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// NewFileLogger creates a logger with output directed to a file
[ "NewFileLogger", "creates", "a", "logger", "with", "output", "directed", "to", "a", "file" ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/logger/log.go#L65-L91
164,204
nats-io/gnatsd
logger/log.go
Close
func (l *Logger) Close() error { if f := l.logFile; f != nil { l.logFile = nil return f.Close() } return nil }
go
func (l *Logger) Close() error { if f := l.logFile; f != nil { l.logFile = nil return f.Close() } return nil }
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// Close implements the io.Closer interface to clean up // resources in the server's logger implementation. // Caller must ensure threadsafety.
[ "Close", "implements", "the", "io", ".", "Closer", "interface", "to", "clean", "up", "resources", "in", "the", "server", "s", "logger", "implementation", ".", "Caller", "must", "ensure", "threadsafety", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/logger/log.go#L112-L118
164,205
nats-io/gnatsd
logger/log.go
Warnf
func (l *Logger) Warnf(format string, v ...interface{}) { l.logger.Printf(l.warnLabel+format, v...) }
go
func (l *Logger) Warnf(format string, v ...interface{}) { l.logger.Printf(l.warnLabel+format, v...) }
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// Warnf logs a notice statement
[ "Warnf", "logs", "a", "notice", "statement" ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/logger/log.go#L150-L152
164,206
nats-io/gnatsd
server/route.go
addReplySubTimeout
func (c *client) addReplySubTimeout(acc *Account, sub *subscription, d time.Duration) { if c.route.replySubs == nil { c.route.replySubs = make(map[*subscription]*time.Timer) } rs := c.route.replySubs rs[sub] = time.AfterFunc(d, func() { c.mu.Lock() delete(rs, sub) sub.max = 0 c.mu.Unlock() c.unsubscribe(acc, sub, true) }) }
go
func (c *client) addReplySubTimeout(acc *Account, sub *subscription, d time.Duration) { if c.route.replySubs == nil { c.route.replySubs = make(map[*subscription]*time.Timer) } rs := c.route.replySubs rs[sub] = time.AfterFunc(d, func() { c.mu.Lock() delete(rs, sub) sub.max = 0 c.mu.Unlock() c.unsubscribe(acc, sub, true) }) }
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// This will add a timer to watch over remote reply subjects in case // they fail to receive a response. The duration will be taken from the // accounts map timeout to match. // Lock should be held upon entering.
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7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L106-L118
164,207
nats-io/gnatsd
server/route.go
removeReplySub
func (c *client) removeReplySub(sub *subscription) { if sub == nil { return } // Lookup the account based on sub.sid. if i := bytes.Index(sub.sid, []byte(" ")); i > 0 { // First part of SID for route is account name. if acc, _ := c.srv.LookupAccount(string(sub.sid[:i])); acc != nil { acc.sl.Remove(sub) } c.mu.Lock() c.removeReplySubTimeout(sub) delete(c.subs, string(sub.sid)) c.mu.Unlock() } }
go
func (c *client) removeReplySub(sub *subscription) { if sub == nil { return } // Lookup the account based on sub.sid. if i := bytes.Index(sub.sid, []byte(" ")); i > 0 { // First part of SID for route is account name. if acc, _ := c.srv.LookupAccount(string(sub.sid[:i])); acc != nil { acc.sl.Remove(sub) } c.mu.Lock() c.removeReplySubTimeout(sub) delete(c.subs, string(sub.sid)) c.mu.Unlock() } }
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// removeReplySub is called when we trip the max on remoteReply subs.
[ "removeReplySub", "is", "called", "when", "we", "trip", "the", "max", "on", "remoteReply", "subs", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L121-L136
164,208
nats-io/gnatsd
server/route.go
removeReplySubTimeout
func (c *client) removeReplySubTimeout(sub *subscription) { // Remove any reply sub timer if it exists. if c.route == nil || c.route.replySubs == nil { return } if t, ok := c.route.replySubs[sub]; ok { t.Stop() delete(c.route.replySubs, sub) } }
go
func (c *client) removeReplySubTimeout(sub *subscription) { // Remove any reply sub timer if it exists. if c.route == nil || c.route.replySubs == nil { return } if t, ok := c.route.replySubs[sub]; ok { t.Stop() delete(c.route.replySubs, sub) } }
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// removeReplySubTimeout will remove a timer if it exists. // Lock should be held upon entering.
[ "removeReplySubTimeout", "will", "remove", "a", "timer", "if", "it", "exists", ".", "Lock", "should", "be", "held", "upon", "entering", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L140-L149
164,209
nats-io/gnatsd
server/route.go
processInboundRoutedMsg
func (c *client) processInboundRoutedMsg(msg []byte) { // Update statistics c.in.msgs++ // The msg includes the CR_LF, so pull back out for accounting. c.in.bytes += int32(len(msg) - LEN_CR_LF) if c.trace { c.traceMsg(msg) } if c.opts.Verbose { c.sendOK() } // Mostly under testing scenarios. if c.srv == nil { return } acc, r := c.getAccAndResultFromCache() if acc == nil { c.Debugf("Unknown account %q for routed message on subject: %q", c.pa.account, c.pa.subject) return } // Check to see if we need to map/route to another account. if acc.imports.services != nil { c.checkForImportServices(acc, msg) } // Check for no interest, short circuit if so. // This is the fanout scale. if len(r.psubs)+len(r.qsubs) == 0 { return } // Check to see if we have a routed message with a service reply. if isServiceReply(c.pa.reply) && acc != nil { // Need to add a sub here for local interest to send a response back // to the originating server/requestor where it will be re-mapped. sid := make([]byte, 0, len(acc.Name)+len(c.pa.reply)+1) sid = append(sid, acc.Name...) sid = append(sid, ' ') sid = append(sid, c.pa.reply...) // Copy off the reply since otherwise we are referencing a buffer that will be reused. reply := make([]byte, len(c.pa.reply)) copy(reply, c.pa.reply) sub := &subscription{client: c, subject: reply, sid: sid, max: 1} if err := acc.sl.Insert(sub); err != nil { c.Errorf("Could not insert subscription: %v", err) } else { ttl := acc.AutoExpireTTL() c.mu.Lock() c.subs[string(sid)] = sub c.addReplySubTimeout(acc, sub, ttl) c.mu.Unlock() } } c.processMsgResults(acc, r, msg, c.pa.subject, c.pa.reply, pmrNoFlag) }
go
func (c *client) processInboundRoutedMsg(msg []byte) { // Update statistics c.in.msgs++ // The msg includes the CR_LF, so pull back out for accounting. c.in.bytes += int32(len(msg) - LEN_CR_LF) if c.trace { c.traceMsg(msg) } if c.opts.Verbose { c.sendOK() } // Mostly under testing scenarios. if c.srv == nil { return } acc, r := c.getAccAndResultFromCache() if acc == nil { c.Debugf("Unknown account %q for routed message on subject: %q", c.pa.account, c.pa.subject) return } // Check to see if we need to map/route to another account. if acc.imports.services != nil { c.checkForImportServices(acc, msg) } // Check for no interest, short circuit if so. // This is the fanout scale. if len(r.psubs)+len(r.qsubs) == 0 { return } // Check to see if we have a routed message with a service reply. if isServiceReply(c.pa.reply) && acc != nil { // Need to add a sub here for local interest to send a response back // to the originating server/requestor where it will be re-mapped. sid := make([]byte, 0, len(acc.Name)+len(c.pa.reply)+1) sid = append(sid, acc.Name...) sid = append(sid, ' ') sid = append(sid, c.pa.reply...) // Copy off the reply since otherwise we are referencing a buffer that will be reused. reply := make([]byte, len(c.pa.reply)) copy(reply, c.pa.reply) sub := &subscription{client: c, subject: reply, sid: sid, max: 1} if err := acc.sl.Insert(sub); err != nil { c.Errorf("Could not insert subscription: %v", err) } else { ttl := acc.AutoExpireTTL() c.mu.Lock() c.subs[string(sid)] = sub c.addReplySubTimeout(acc, sub, ttl) c.mu.Unlock() } } c.processMsgResults(acc, r, msg, c.pa.subject, c.pa.reply, pmrNoFlag) }
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// processInboundRouteMsg is called to process an inbound msg from a route.
[ "processInboundRouteMsg", "is", "called", "to", "process", "an", "inbound", "msg", "from", "a", "route", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L244-L303
164,210
nats-io/gnatsd
server/route.go
makeQFilter
func (c *client) makeQFilter(qsubs [][]*subscription) { qs := make([][]byte, 0, len(qsubs)) for _, qsub := range qsubs { if len(qsub) > 0 { qs = append(qs, qsub[0].queue) } } c.pa.queues = qs }
go
func (c *client) makeQFilter(qsubs [][]*subscription) { qs := make([][]byte, 0, len(qsubs)) for _, qsub := range qsubs { if len(qsub) > 0 { qs = append(qs, qsub[0].queue) } } c.pa.queues = qs }
[ "func", "(", "c", "*", "client", ")", "makeQFilter", "(", "qsubs", "[", "]", "[", "]", "*", "subscription", ")", "{", "qs", ":=", "make", "(", "[", "]", "[", "]", "byte", ",", "0", ",", "len", "(", "qsubs", ")", ")", "\n", "for", "_", ",", "qsub", ":=", "range", "qsubs", "{", "if", "len", "(", "qsub", ")", ">", "0", "{", "qs", "=", "append", "(", "qs", ",", "qsub", "[", "0", "]", ".", "queue", ")", "\n", "}", "\n", "}", "\n", "c", ".", "pa", ".", "queues", "=", "qs", "\n", "}" ]
// Helper function for routes and gateways to create qfilters need for // converted subs from imports, etc.
[ "Helper", "function", "for", "routes", "and", "gateways", "to", "create", "qfilters", "need", "for", "converted", "subs", "from", "imports", "etc", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L307-L315
164,211
nats-io/gnatsd
server/route.go
processRouteInfo
func (c *client) processRouteInfo(info *Info) { // We may need to update route permissions and will need the account // sublist. Since getting the account requires server lock, do the // lookup now. // FIXME(dlc) - Add account scoping. gacc := c.srv.globalAccount() gacc.mu.RLock() sl := gacc.sl gacc.mu.RUnlock() c.mu.Lock() // Connection can be closed at any time (by auth timeout, etc). // Does not make sense to continue here if connection is gone. if c.route == nil || c.nc == nil { c.mu.Unlock() return } s := c.srv remoteID := c.route.remoteID // Check if this is an INFO for gateways... if info.Gateway != "" { c.mu.Unlock() // If this server has no gateway configured, report error and return. if !s.gateway.enabled { // FIXME: Should this be a Fatalf()? s.Errorf("Received information about gateway %q from %s, but gateway is not configured", info.Gateway, remoteID) return } s.processGatewayInfoFromRoute(info, remoteID, c) return } // We receive an INFO from a server that informs us about another server, // so the info.ID in the INFO protocol does not match the ID of this route. if remoteID != "" && remoteID != info.ID { c.mu.Unlock() // Process this implicit route. We will check that it is not an explicit // route and/or that it has not been connected already. s.processImplicitRoute(info) return } // Need to set this for the detection of the route to self to work // in closeConnection(). c.route.remoteID = info.ID // Get the route's proto version c.opts.Protocol = info.Proto // Detect route to self. if c.route.remoteID == s.info.ID { c.mu.Unlock() c.closeConnection(DuplicateRoute) return } // Copy over important information. c.route.authRequired = info.AuthRequired c.route.tlsRequired = info.TLSRequired c.route.gatewayURL = info.GatewayURL // When sent through route INFO, if the field is set, it should be of size 1. if len(info.LeafNodeURLs) == 1 { c.route.leafnodeURL = info.LeafNodeURLs[0] } // If this is an update due to config reload on the remote server, // need to possibly send local subs to the remote server. if c.flags.isSet(infoReceived) { c.updateRemoteRoutePerms(sl, info) c.mu.Unlock() return } // Copy over permissions as well. c.opts.Import = info.Import c.opts.Export = info.Export // If we do not know this route's URL, construct one on the fly // from the information provided. if c.route.url == nil { // Add in the URL from host and port hp := net.JoinHostPort(info.Host, strconv.Itoa(info.Port)) url, err := url.Parse(fmt.Sprintf("nats-route://%s/", hp)) if err != nil { c.Errorf("Error parsing URL from INFO: %v\n", err) c.mu.Unlock() c.closeConnection(ParseError) return } c.route.url = url } // Mark that the INFO protocol has been received. Will allow // to detect INFO updates. c.flags.set(infoReceived) // Check to see if we have this remote already registered. // This can happen when both servers have routes to each other. c.mu.Unlock() if added, sendInfo := s.addRoute(c, info); added { c.Debugf("Registering remote route %q", info.ID) // Send our subs to the other side. s.sendSubsToRoute(c) // Send info about the known gateways to this route. s.sendGatewayConfigsToRoute(c) // sendInfo will be false if the route that we just accepted // is the only route there is. if sendInfo { // The incoming INFO from the route will have IP set // if it has Cluster.Advertise. In that case, use that // otherwise contruct it from the remote TCP address. if info.IP == "" { // Need to get the remote IP address. c.mu.Lock() switch conn := c.nc.(type) { case *net.TCPConn, *tls.Conn: addr := conn.RemoteAddr().(*net.TCPAddr) info.IP = fmt.Sprintf("nats-route://%s/", net.JoinHostPort(addr.IP.String(), strconv.Itoa(info.Port))) default: info.IP = c.route.url.String() } c.mu.Unlock() } // Now let the known servers know about this new route s.forwardNewRouteInfoToKnownServers(info) } // Unless disabled, possibly update the server's INFO protocol // and send to clients that know how to handle async INFOs. if !s.getOpts().Cluster.NoAdvertise { s.addClientConnectURLsAndSendINFOToClients(info.ClientConnectURLs) } } else { c.Debugf("Detected duplicate remote route %q", info.ID) c.closeConnection(DuplicateRoute) } }
go
func (c *client) processRouteInfo(info *Info) { // We may need to update route permissions and will need the account // sublist. Since getting the account requires server lock, do the // lookup now. // FIXME(dlc) - Add account scoping. gacc := c.srv.globalAccount() gacc.mu.RLock() sl := gacc.sl gacc.mu.RUnlock() c.mu.Lock() // Connection can be closed at any time (by auth timeout, etc). // Does not make sense to continue here if connection is gone. if c.route == nil || c.nc == nil { c.mu.Unlock() return } s := c.srv remoteID := c.route.remoteID // Check if this is an INFO for gateways... if info.Gateway != "" { c.mu.Unlock() // If this server has no gateway configured, report error and return. if !s.gateway.enabled { // FIXME: Should this be a Fatalf()? s.Errorf("Received information about gateway %q from %s, but gateway is not configured", info.Gateway, remoteID) return } s.processGatewayInfoFromRoute(info, remoteID, c) return } // We receive an INFO from a server that informs us about another server, // so the info.ID in the INFO protocol does not match the ID of this route. if remoteID != "" && remoteID != info.ID { c.mu.Unlock() // Process this implicit route. We will check that it is not an explicit // route and/or that it has not been connected already. s.processImplicitRoute(info) return } // Need to set this for the detection of the route to self to work // in closeConnection(). c.route.remoteID = info.ID // Get the route's proto version c.opts.Protocol = info.Proto // Detect route to self. if c.route.remoteID == s.info.ID { c.mu.Unlock() c.closeConnection(DuplicateRoute) return } // Copy over important information. c.route.authRequired = info.AuthRequired c.route.tlsRequired = info.TLSRequired c.route.gatewayURL = info.GatewayURL // When sent through route INFO, if the field is set, it should be of size 1. if len(info.LeafNodeURLs) == 1 { c.route.leafnodeURL = info.LeafNodeURLs[0] } // If this is an update due to config reload on the remote server, // need to possibly send local subs to the remote server. if c.flags.isSet(infoReceived) { c.updateRemoteRoutePerms(sl, info) c.mu.Unlock() return } // Copy over permissions as well. c.opts.Import = info.Import c.opts.Export = info.Export // If we do not know this route's URL, construct one on the fly // from the information provided. if c.route.url == nil { // Add in the URL from host and port hp := net.JoinHostPort(info.Host, strconv.Itoa(info.Port)) url, err := url.Parse(fmt.Sprintf("nats-route://%s/", hp)) if err != nil { c.Errorf("Error parsing URL from INFO: %v\n", err) c.mu.Unlock() c.closeConnection(ParseError) return } c.route.url = url } // Mark that the INFO protocol has been received. Will allow // to detect INFO updates. c.flags.set(infoReceived) // Check to see if we have this remote already registered. // This can happen when both servers have routes to each other. c.mu.Unlock() if added, sendInfo := s.addRoute(c, info); added { c.Debugf("Registering remote route %q", info.ID) // Send our subs to the other side. s.sendSubsToRoute(c) // Send info about the known gateways to this route. s.sendGatewayConfigsToRoute(c) // sendInfo will be false if the route that we just accepted // is the only route there is. if sendInfo { // The incoming INFO from the route will have IP set // if it has Cluster.Advertise. In that case, use that // otherwise contruct it from the remote TCP address. if info.IP == "" { // Need to get the remote IP address. c.mu.Lock() switch conn := c.nc.(type) { case *net.TCPConn, *tls.Conn: addr := conn.RemoteAddr().(*net.TCPAddr) info.IP = fmt.Sprintf("nats-route://%s/", net.JoinHostPort(addr.IP.String(), strconv.Itoa(info.Port))) default: info.IP = c.route.url.String() } c.mu.Unlock() } // Now let the known servers know about this new route s.forwardNewRouteInfoToKnownServers(info) } // Unless disabled, possibly update the server's INFO protocol // and send to clients that know how to handle async INFOs. if !s.getOpts().Cluster.NoAdvertise { s.addClientConnectURLsAndSendINFOToClients(info.ClientConnectURLs) } } else { c.Debugf("Detected duplicate remote route %q", info.ID) c.closeConnection(DuplicateRoute) } }
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// Process the info message if we are a route.
[ "Process", "the", "info", "message", "if", "we", "are", "a", "route", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L344-L489
164,212
nats-io/gnatsd
server/route.go
updateRemoteRoutePerms
func (c *client) updateRemoteRoutePerms(sl *Sublist, info *Info) { // Interested only on Export permissions for the remote server. // Create "fake" clients that we will use to check permissions // using the old permissions... oldPerms := &RoutePermissions{Export: c.opts.Export} oldPermsTester := &client{} oldPermsTester.setRoutePermissions(oldPerms) // and the new ones. newPerms := &RoutePermissions{Export: info.Export} newPermsTester := &client{} newPermsTester.setRoutePermissions(newPerms) c.opts.Import = info.Import c.opts.Export = info.Export var ( _localSubs [4096]*subscription localSubs = _localSubs[:0] ) sl.localSubs(&localSubs) c.sendRouteSubProtos(localSubs, false, func(sub *subscription) bool { subj := string(sub.subject) // If the remote can now export but could not before, and this server can import this // subject, then send SUB protocol. if newPermsTester.canExport(subj) && !oldPermsTester.canExport(subj) && c.canImport(subj) { return true } return false }) }
go
func (c *client) updateRemoteRoutePerms(sl *Sublist, info *Info) { // Interested only on Export permissions for the remote server. // Create "fake" clients that we will use to check permissions // using the old permissions... oldPerms := &RoutePermissions{Export: c.opts.Export} oldPermsTester := &client{} oldPermsTester.setRoutePermissions(oldPerms) // and the new ones. newPerms := &RoutePermissions{Export: info.Export} newPermsTester := &client{} newPermsTester.setRoutePermissions(newPerms) c.opts.Import = info.Import c.opts.Export = info.Export var ( _localSubs [4096]*subscription localSubs = _localSubs[:0] ) sl.localSubs(&localSubs) c.sendRouteSubProtos(localSubs, false, func(sub *subscription) bool { subj := string(sub.subject) // If the remote can now export but could not before, and this server can import this // subject, then send SUB protocol. if newPermsTester.canExport(subj) && !oldPermsTester.canExport(subj) && c.canImport(subj) { return true } return false }) }
[ "func", "(", "c", "*", "client", ")", "updateRemoteRoutePerms", "(", "sl", "*", "Sublist", ",", "info", "*", "Info", ")", "{", "// Interested only on Export permissions for the remote server.", "// Create \"fake\" clients that we will use to check permissions", "// using the old permissions...", "oldPerms", ":=", "&", "RoutePermissions", "{", "Export", ":", "c", ".", "opts", ".", "Export", "}", "\n", "oldPermsTester", ":=", "&", "client", "{", "}", "\n", "oldPermsTester", ".", "setRoutePermissions", "(", "oldPerms", ")", "\n", "// and the new ones.", "newPerms", ":=", "&", "RoutePermissions", "{", "Export", ":", "info", ".", "Export", "}", "\n", "newPermsTester", ":=", "&", "client", "{", "}", "\n", "newPermsTester", ".", "setRoutePermissions", "(", "newPerms", ")", "\n\n", "c", ".", "opts", ".", "Import", "=", "info", ".", "Import", "\n", "c", ".", "opts", ".", "Export", "=", "info", ".", "Export", "\n\n", "var", "(", "_localSubs", "[", "4096", "]", "*", "subscription", "\n", "localSubs", "=", "_localSubs", "[", ":", "0", "]", "\n", ")", "\n", "sl", ".", "localSubs", "(", "&", "localSubs", ")", "\n\n", "c", ".", "sendRouteSubProtos", "(", "localSubs", ",", "false", ",", "func", "(", "sub", "*", "subscription", ")", "bool", "{", "subj", ":=", "string", "(", "sub", ".", "subject", ")", "\n", "// If the remote can now export but could not before, and this server can import this", "// subject, then send SUB protocol.", "if", "newPermsTester", ".", "canExport", "(", "subj", ")", "&&", "!", "oldPermsTester", ".", "canExport", "(", "subj", ")", "&&", "c", ".", "canImport", "(", "subj", ")", "{", "return", "true", "\n", "}", "\n", "return", "false", "\n", "}", ")", "\n", "}" ]
// Possibly sends local subscriptions interest to this route // based on changes in the remote's Export permissions. // Lock assumed held on entry
[ "Possibly", "sends", "local", "subscriptions", "interest", "to", "this", "route", "based", "on", "changes", "in", "the", "remote", "s", "Export", "permissions", ".", "Lock", "assumed", "held", "on", "entry" ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L494-L524
164,213
nats-io/gnatsd
server/route.go
sendAsyncInfoToClients
func (s *Server) sendAsyncInfoToClients() { // If there are no clients supporting async INFO protocols, we are done. // Also don't send if we are shutting down... if s.cproto == 0 || s.shutdown { return } for _, c := range s.clients { c.mu.Lock() // Here, we are going to send only to the clients that are fully // registered (server has received CONNECT and first PING). For // clients that are not at this stage, this will happen in the // processing of the first PING (see client.processPing) if c.opts.Protocol >= ClientProtoInfo && c.flags.isSet(firstPongSent) { // sendInfo takes care of checking if the connection is still // valid or not, so don't duplicate tests here. c.sendInfo(c.generateClientInfoJSON(s.copyInfo())) } c.mu.Unlock() } }
go
func (s *Server) sendAsyncInfoToClients() { // If there are no clients supporting async INFO protocols, we are done. // Also don't send if we are shutting down... if s.cproto == 0 || s.shutdown { return } for _, c := range s.clients { c.mu.Lock() // Here, we are going to send only to the clients that are fully // registered (server has received CONNECT and first PING). For // clients that are not at this stage, this will happen in the // processing of the first PING (see client.processPing) if c.opts.Protocol >= ClientProtoInfo && c.flags.isSet(firstPongSent) { // sendInfo takes care of checking if the connection is still // valid or not, so don't duplicate tests here. c.sendInfo(c.generateClientInfoJSON(s.copyInfo())) } c.mu.Unlock() } }
[ "func", "(", "s", "*", "Server", ")", "sendAsyncInfoToClients", "(", ")", "{", "// If there are no clients supporting async INFO protocols, we are done.", "// Also don't send if we are shutting down...", "if", "s", ".", "cproto", "==", "0", "||", "s", ".", "shutdown", "{", "return", "\n", "}", "\n\n", "for", "_", ",", "c", ":=", "range", "s", ".", "clients", "{", "c", ".", "mu", ".", "Lock", "(", ")", "\n", "// Here, we are going to send only to the clients that are fully", "// registered (server has received CONNECT and first PING). For", "// clients that are not at this stage, this will happen in the", "// processing of the first PING (see client.processPing)", "if", "c", ".", "opts", ".", "Protocol", ">=", "ClientProtoInfo", "&&", "c", ".", "flags", ".", "isSet", "(", "firstPongSent", ")", "{", "// sendInfo takes care of checking if the connection is still", "// valid or not, so don't duplicate tests here.", "c", ".", "sendInfo", "(", "c", ".", "generateClientInfoJSON", "(", "s", ".", "copyInfo", "(", ")", ")", ")", "\n", "}", "\n", "c", ".", "mu", ".", "Unlock", "(", ")", "\n", "}", "\n", "}" ]
// sendAsyncInfoToClients sends an INFO protocol to all // connected clients that accept async INFO updates. // The server lock is held on entry.
[ "sendAsyncInfoToClients", "sends", "an", "INFO", "protocol", "to", "all", "connected", "clients", "that", "accept", "async", "INFO", "updates", ".", "The", "server", "lock", "is", "held", "on", "entry", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L529-L549
164,214
nats-io/gnatsd
server/route.go
processImplicitRoute
func (s *Server) processImplicitRoute(info *Info) { remoteID := info.ID s.mu.Lock() defer s.mu.Unlock() // Don't connect to ourself if remoteID == s.info.ID { return } // Check if this route already exists if _, exists := s.remotes[remoteID]; exists { return } // Check if we have this route as a configured route if s.hasThisRouteConfigured(info) { return } // Initiate the connection, using info.IP instead of info.URL here... r, err := url.Parse(info.IP) if err != nil { s.Errorf("Error parsing URL from INFO: %v\n", err) return } // Snapshot server options. opts := s.getOpts() if info.AuthRequired { r.User = url.UserPassword(opts.Cluster.Username, opts.Cluster.Password) } s.startGoRoutine(func() { s.connectToRoute(r, false) }) }
go
func (s *Server) processImplicitRoute(info *Info) { remoteID := info.ID s.mu.Lock() defer s.mu.Unlock() // Don't connect to ourself if remoteID == s.info.ID { return } // Check if this route already exists if _, exists := s.remotes[remoteID]; exists { return } // Check if we have this route as a configured route if s.hasThisRouteConfigured(info) { return } // Initiate the connection, using info.IP instead of info.URL here... r, err := url.Parse(info.IP) if err != nil { s.Errorf("Error parsing URL from INFO: %v\n", err) return } // Snapshot server options. opts := s.getOpts() if info.AuthRequired { r.User = url.UserPassword(opts.Cluster.Username, opts.Cluster.Password) } s.startGoRoutine(func() { s.connectToRoute(r, false) }) }
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// This will process implicit route information received from another server. // We will check to see if we have configured or are already connected, // and if so we will ignore. Otherwise we will attempt to connect.
[ "This", "will", "process", "implicit", "route", "information", "received", "from", "another", "server", ".", "We", "will", "check", "to", "see", "if", "we", "have", "configured", "or", "are", "already", "connected", "and", "if", "so", "we", "will", "ignore", ".", "Otherwise", "we", "will", "attempt", "to", "connect", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L554-L587
164,215
nats-io/gnatsd
server/route.go
forwardNewRouteInfoToKnownServers
func (s *Server) forwardNewRouteInfoToKnownServers(info *Info) { s.mu.Lock() defer s.mu.Unlock() b, _ := json.Marshal(info) infoJSON := []byte(fmt.Sprintf(InfoProto, b)) for _, r := range s.routes { r.mu.Lock() if r.route.remoteID != info.ID { r.sendInfo(infoJSON) } r.mu.Unlock() } }
go
func (s *Server) forwardNewRouteInfoToKnownServers(info *Info) { s.mu.Lock() defer s.mu.Unlock() b, _ := json.Marshal(info) infoJSON := []byte(fmt.Sprintf(InfoProto, b)) for _, r := range s.routes { r.mu.Lock() if r.route.remoteID != info.ID { r.sendInfo(infoJSON) } r.mu.Unlock() } }
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// forwardNewRouteInfoToKnownServers sends the INFO protocol of the new route // to all routes known by this server. In turn, each server will contact this // new route.
[ "forwardNewRouteInfoToKnownServers", "sends", "the", "INFO", "protocol", "of", "the", "new", "route", "to", "all", "routes", "known", "by", "this", "server", ".", "In", "turn", "each", "server", "will", "contact", "this", "new", "route", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L605-L619
164,216
nats-io/gnatsd
server/route.go
setRoutePermissions
func (c *client) setRoutePermissions(perms *RoutePermissions) { // Reset if some were set if perms == nil { c.perms = nil c.mperms = nil return } // Convert route permissions to user permissions. // The Import permission is mapped to Publish // and Export permission is mapped to Subscribe. // For meaning of Import/Export, see canImport and canExport. p := &Permissions{ Publish: perms.Import, Subscribe: perms.Export, } c.setPermissions(p) }
go
func (c *client) setRoutePermissions(perms *RoutePermissions) { // Reset if some were set if perms == nil { c.perms = nil c.mperms = nil return } // Convert route permissions to user permissions. // The Import permission is mapped to Publish // and Export permission is mapped to Subscribe. // For meaning of Import/Export, see canImport and canExport. p := &Permissions{ Publish: perms.Import, Subscribe: perms.Export, } c.setPermissions(p) }
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// Initialize or reset cluster's permissions. // This is for ROUTER connections only. // Client lock is held on entry
[ "Initialize", "or", "reset", "cluster", "s", "permissions", ".", "This", "is", "for", "ROUTER", "connections", "only", ".", "Client", "lock", "is", "held", "on", "entry" ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L642-L658
164,217
nats-io/gnatsd
server/route.go
removeRemoteSubs
func (c *client) removeRemoteSubs() { // We need to gather these on a per account basis. // FIXME(dlc) - We should be smarter about this.. as := map[string]*asubs{} c.mu.Lock() srv := c.srv subs := c.subs c.subs = make(map[string]*subscription) c.mu.Unlock() for key, sub := range subs { c.mu.Lock() sub.max = 0 c.mu.Unlock() // Grab the account accountName := strings.Fields(key)[0] ase := as[accountName] if ase == nil { acc, _ := srv.LookupAccount(accountName) if acc == nil { continue } as[accountName] = &asubs{acc: acc, subs: []*subscription{sub}} } else { ase.subs = append(ase.subs, sub) } if srv.gateway.enabled { srv.gatewayUpdateSubInterest(accountName, sub, -1) } } // Now remove the subs by batch for each account sublist. for _, ase := range as { c.Debugf("Removing %d subscriptions for account %q", len(ase.subs), ase.acc.Name) ase.acc.sl.RemoveBatch(ase.subs) } }
go
func (c *client) removeRemoteSubs() { // We need to gather these on a per account basis. // FIXME(dlc) - We should be smarter about this.. as := map[string]*asubs{} c.mu.Lock() srv := c.srv subs := c.subs c.subs = make(map[string]*subscription) c.mu.Unlock() for key, sub := range subs { c.mu.Lock() sub.max = 0 c.mu.Unlock() // Grab the account accountName := strings.Fields(key)[0] ase := as[accountName] if ase == nil { acc, _ := srv.LookupAccount(accountName) if acc == nil { continue } as[accountName] = &asubs{acc: acc, subs: []*subscription{sub}} } else { ase.subs = append(ase.subs, sub) } if srv.gateway.enabled { srv.gatewayUpdateSubInterest(accountName, sub, -1) } } // Now remove the subs by batch for each account sublist. for _, ase := range as { c.Debugf("Removing %d subscriptions for account %q", len(ase.subs), ase.acc.Name) ase.acc.sl.RemoveBatch(ase.subs) } }
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// removeRemoteSubs will walk the subs and remove them from the appropriate account.
[ "removeRemoteSubs", "will", "walk", "the", "subs", "and", "remove", "them", "from", "the", "appropriate", "account", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L667-L703
164,218
nats-io/gnatsd
server/route.go
sendSubsToRoute
func (s *Server) sendSubsToRoute(route *client) { s.mu.Lock() // Estimated size of all protocols. It does not have to be accurate at all. eSize := 0 // Send over our account subscriptions. // copy accounts into array first accs := make([]*Account, 0, 32) s.accounts.Range(func(k, v interface{}) bool { a := v.(*Account) accs = append(accs, a) a.mu.RLock() // Proto looks like: "RS+ <account name> <subject>[ <queue weight>]\r\n" // If we wanted to have better estimates (or even accurate), we would // collect the subs here instead of capturing the accounts and then // later going over each account. eSize += len(a.rm) * (4 + len(a.Name) + 256) a.mu.RUnlock() return true }) s.mu.Unlock() sendSubs := func(accs []*Account) { var raw [32]*subscription var closed bool route.mu.Lock() for _, a := range accs { subs := raw[:0] a.mu.RLock() c := a.randomClient() if c == nil { a.mu.RUnlock() continue } for key, n := range a.rm { // FIXME(dlc) - Just pass rme around. // Construct a sub on the fly. We need to place // a client (or im) to properly set the account. var subj, qn []byte s := strings.Split(key, " ") subj = []byte(s[0]) if len(s) > 1 { qn = []byte(s[1]) } // TODO(dlc) - This code needs to change, but even if left alone could be more // efficient with these tmp subs. sub := &subscription{client: c, subject: subj, queue: qn, qw: n} subs = append(subs, sub) } a.mu.RUnlock() closed = route.sendRouteSubProtos(subs, false, func(sub *subscription) bool { return route.canImport(string(sub.subject)) }) if closed { route.mu.Unlock() return } } route.mu.Unlock() if !closed { route.Debugf("Sent local subscriptions to route") } } // Decide if we call above function in go routine or in place. if eSize > sendRouteSubsInGoRoutineThreshold { s.startGoRoutine(func() { sendSubs(accs) s.grWG.Done() }) } else { sendSubs(accs) } }
go
func (s *Server) sendSubsToRoute(route *client) { s.mu.Lock() // Estimated size of all protocols. It does not have to be accurate at all. eSize := 0 // Send over our account subscriptions. // copy accounts into array first accs := make([]*Account, 0, 32) s.accounts.Range(func(k, v interface{}) bool { a := v.(*Account) accs = append(accs, a) a.mu.RLock() // Proto looks like: "RS+ <account name> <subject>[ <queue weight>]\r\n" // If we wanted to have better estimates (or even accurate), we would // collect the subs here instead of capturing the accounts and then // later going over each account. eSize += len(a.rm) * (4 + len(a.Name) + 256) a.mu.RUnlock() return true }) s.mu.Unlock() sendSubs := func(accs []*Account) { var raw [32]*subscription var closed bool route.mu.Lock() for _, a := range accs { subs := raw[:0] a.mu.RLock() c := a.randomClient() if c == nil { a.mu.RUnlock() continue } for key, n := range a.rm { // FIXME(dlc) - Just pass rme around. // Construct a sub on the fly. We need to place // a client (or im) to properly set the account. var subj, qn []byte s := strings.Split(key, " ") subj = []byte(s[0]) if len(s) > 1 { qn = []byte(s[1]) } // TODO(dlc) - This code needs to change, but even if left alone could be more // efficient with these tmp subs. sub := &subscription{client: c, subject: subj, queue: qn, qw: n} subs = append(subs, sub) } a.mu.RUnlock() closed = route.sendRouteSubProtos(subs, false, func(sub *subscription) bool { return route.canImport(string(sub.subject)) }) if closed { route.mu.Unlock() return } } route.mu.Unlock() if !closed { route.Debugf("Sent local subscriptions to route") } } // Decide if we call above function in go routine or in place. if eSize > sendRouteSubsInGoRoutineThreshold { s.startGoRoutine(func() { sendSubs(accs) s.grWG.Done() }) } else { sendSubs(accs) } }
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// sendSubsToRoute will send over our subject interest to // the remote side. For each account we will send the // complete interest for all subjects, both normal as a binary // and queue group weights.
[ "sendSubsToRoute", "will", "send", "over", "our", "subject", "interest", "to", "the", "remote", "side", ".", "For", "each", "account", "we", "will", "send", "the", "complete", "interest", "for", "all", "subjects", "both", "normal", "as", "a", "binary", "and", "queue", "group", "weights", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L887-L963
164,219
nats-io/gnatsd
server/route.go
sendRouteSubProtos
func (c *client) sendRouteSubProtos(subs []*subscription, trace bool, filter func(sub *subscription) bool) bool { return c.sendRouteSubOrUnSubProtos(subs, true, trace, filter) }
go
func (c *client) sendRouteSubProtos(subs []*subscription, trace bool, filter func(sub *subscription) bool) bool { return c.sendRouteSubOrUnSubProtos(subs, true, trace, filter) }
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// Sends SUBs protocols for the given subscriptions. If a filter is specified, it is // invoked for each subscription. If the filter returns false, the subscription is skipped. // This function may release the route's lock due to flushing of outbound data. A boolean // is returned to indicate if the connection has been closed during this call. // Lock is held on entry.
[ "Sends", "SUBs", "protocols", "for", "the", "given", "subscriptions", ".", "If", "a", "filter", "is", "specified", "it", "is", "invoked", "for", "each", "subscription", ".", "If", "the", "filter", "returns", "false", "the", "subscription", "is", "skipped", ".", "This", "function", "may", "release", "the", "route", "s", "lock", "due", "to", "flushing", "of", "outbound", "data", ".", "A", "boolean", "is", "returned", "to", "indicate", "if", "the", "connection", "has", "been", "closed", "during", "this", "call", ".", "Lock", "is", "held", "on", "entry", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L970-L972
164,220
nats-io/gnatsd
server/route.go
sendRouteUnSubProtos
func (c *client) sendRouteUnSubProtos(subs []*subscription, trace bool, filter func(sub *subscription) bool) bool { return c.sendRouteSubOrUnSubProtos(subs, false, trace, filter) }
go
func (c *client) sendRouteUnSubProtos(subs []*subscription, trace bool, filter func(sub *subscription) bool) bool { return c.sendRouteSubOrUnSubProtos(subs, false, trace, filter) }
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// Sends UNSUBs protocols for the given subscriptions. If a filter is specified, it is // invoked for each subscription. If the filter returns false, the subscription is skipped. // This function may release the route's lock due to flushing of outbound data. A boolean // is returned to indicate if the connection has been closed during this call. // Lock is held on entry.
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7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L979-L981
164,221
nats-io/gnatsd
server/route.go
updateRouteSubscriptionMap
func (s *Server) updateRouteSubscriptionMap(acc *Account, sub *subscription, delta int32) { if acc == nil || sub == nil { return } acc.mu.RLock() rm := acc.rm acc.mu.RUnlock() // This is non-nil when we know we are in cluster mode. if rm == nil { return } // We only store state on local subs for transmission across all other routes. if sub.client == nil || (sub.client.kind != CLIENT && sub.client.kind != SYSTEM && sub.client.kind != LEAF) { return } // Create the fast key which will use the subject or 'subject<spc>queue' for queue subscribers. var ( _rkey [1024]byte key []byte update bool ) if sub.queue != nil { // Just make the key subject spc group, e.g. 'foo bar' key = _rkey[:0] key = append(key, sub.subject...) key = append(key, byte(' ')) key = append(key, sub.queue...) // We always update for a queue subscriber since we need to send our relative weight. update = true } else { key = sub.subject } // Copy to hold outside acc lock. var n int32 var ok bool acc.mu.Lock() if n, ok = rm[string(key)]; ok { n += delta if n <= 0 { delete(rm, string(key)) update = true // Update for deleting (N->0) } else { rm[string(key)] = n } } else if delta > 0 { n = delta rm[string(key)] = delta update = true // Adding a new entry for normal sub means update (0->1) } acc.mu.Unlock() if !update { return } // We need to send out this update. // If we are sending a queue sub, copy and place in the queue weight. if sub.queue != nil { sub.client.mu.Lock() nsub := *sub sub.client.mu.Unlock() nsub.qw = n sub = &nsub } // Note that queue unsubs where entry.n > 0 are still // subscribes with a smaller weight. if n > 0 { s.broadcastSubscribe(sub) } else { s.broadcastUnSubscribe(sub) } }
go
func (s *Server) updateRouteSubscriptionMap(acc *Account, sub *subscription, delta int32) { if acc == nil || sub == nil { return } acc.mu.RLock() rm := acc.rm acc.mu.RUnlock() // This is non-nil when we know we are in cluster mode. if rm == nil { return } // We only store state on local subs for transmission across all other routes. if sub.client == nil || (sub.client.kind != CLIENT && sub.client.kind != SYSTEM && sub.client.kind != LEAF) { return } // Create the fast key which will use the subject or 'subject<spc>queue' for queue subscribers. var ( _rkey [1024]byte key []byte update bool ) if sub.queue != nil { // Just make the key subject spc group, e.g. 'foo bar' key = _rkey[:0] key = append(key, sub.subject...) key = append(key, byte(' ')) key = append(key, sub.queue...) // We always update for a queue subscriber since we need to send our relative weight. update = true } else { key = sub.subject } // Copy to hold outside acc lock. var n int32 var ok bool acc.mu.Lock() if n, ok = rm[string(key)]; ok { n += delta if n <= 0 { delete(rm, string(key)) update = true // Update for deleting (N->0) } else { rm[string(key)] = n } } else if delta > 0 { n = delta rm[string(key)] = delta update = true // Adding a new entry for normal sub means update (0->1) } acc.mu.Unlock() if !update { return } // We need to send out this update. // If we are sending a queue sub, copy and place in the queue weight. if sub.queue != nil { sub.client.mu.Lock() nsub := *sub sub.client.mu.Unlock() nsub.qw = n sub = &nsub } // Note that queue unsubs where entry.n > 0 are still // subscribes with a smaller weight. if n > 0 { s.broadcastSubscribe(sub) } else { s.broadcastUnSubscribe(sub) } }
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// updateRouteSubscriptionMap will make sure to update the route map for the subscription. Will // also forward to all routes if needed.
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7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L1298-L1375
164,222
nats-io/gnatsd
server/route.go
broadcastUnSubscribe
func (s *Server) broadcastUnSubscribe(sub *subscription) { trace := atomic.LoadInt32(&s.logging.trace) == 1 s.mu.Lock() subs := []*subscription{sub} for _, route := range s.routes { route.mu.Lock() route.sendRouteUnSubProtos(subs, trace, func(sub *subscription) bool { return route.canImport(string(sub.subject)) }) route.mu.Unlock() } s.mu.Unlock() }
go
func (s *Server) broadcastUnSubscribe(sub *subscription) { trace := atomic.LoadInt32(&s.logging.trace) == 1 s.mu.Lock() subs := []*subscription{sub} for _, route := range s.routes { route.mu.Lock() route.sendRouteUnSubProtos(subs, trace, func(sub *subscription) bool { return route.canImport(string(sub.subject)) }) route.mu.Unlock() } s.mu.Unlock() }
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// broadcastUnSubscribe will forward a client unsubscribe // action to all active routes.
[ "broadcastUnSubscribe", "will", "forward", "a", "client", "unsubscribe", "action", "to", "all", "active", "routes", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L1395-L1407
164,223
nats-io/gnatsd
server/route.go
setRouteInfoHostPortAndIP
func (s *Server) setRouteInfoHostPortAndIP() error { if s.opts.Cluster.Advertise != "" { advHost, advPort, err := parseHostPort(s.opts.Cluster.Advertise, s.opts.Cluster.Port) if err != nil { return err } s.routeInfo.Host = advHost s.routeInfo.Port = advPort s.routeInfo.IP = fmt.Sprintf("nats-route://%s/", net.JoinHostPort(advHost, strconv.Itoa(advPort))) } else { s.routeInfo.Host = s.opts.Cluster.Host s.routeInfo.Port = s.opts.Cluster.Port s.routeInfo.IP = "" } // (re)generate the routeInfoJSON byte array s.generateRouteInfoJSON() return nil }
go
func (s *Server) setRouteInfoHostPortAndIP() error { if s.opts.Cluster.Advertise != "" { advHost, advPort, err := parseHostPort(s.opts.Cluster.Advertise, s.opts.Cluster.Port) if err != nil { return err } s.routeInfo.Host = advHost s.routeInfo.Port = advPort s.routeInfo.IP = fmt.Sprintf("nats-route://%s/", net.JoinHostPort(advHost, strconv.Itoa(advPort))) } else { s.routeInfo.Host = s.opts.Cluster.Host s.routeInfo.Port = s.opts.Cluster.Port s.routeInfo.IP = "" } // (re)generate the routeInfoJSON byte array s.generateRouteInfoJSON() return nil }
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// Similar to setInfoHostPortAndGenerateJSON, but for routeInfo.
[ "Similar", "to", "setInfoHostPortAndGenerateJSON", "but", "for", "routeInfo", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L1517-L1534
164,224
nats-io/gnatsd
server/route.go
routeStillValid
func (s *Server) routeStillValid(rURL *url.URL) bool { for _, ri := range s.getOpts().Routes { if urlsAreEqual(ri, rURL) { return true } } return false }
go
func (s *Server) routeStillValid(rURL *url.URL) bool { for _, ri := range s.getOpts().Routes { if urlsAreEqual(ri, rURL) { return true } } return false }
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// Checks to make sure the route is still valid.
[ "Checks", "to", "make", "sure", "the", "route", "is", "still", "valid", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/route.go#L1575-L1582
164,225
nats-io/gnatsd
logger/syslog_windows.go
NewSysLogger
func NewSysLogger(debug, trace bool) *SysLogger { if err := eventlog.InstallAsEventCreate(natsEventSource, eventlog.Info|eventlog.Error|eventlog.Warning); err != nil { if !strings.Contains(err.Error(), "registry key already exists") { panic(fmt.Sprintf("could not access event log: %v", err)) } } w, err := eventlog.Open(natsEventSource) if err != nil { panic(fmt.Sprintf("could not open event log: %v", err)) } return &SysLogger{ writer: w, debug: debug, trace: trace, } }
go
func NewSysLogger(debug, trace bool) *SysLogger { if err := eventlog.InstallAsEventCreate(natsEventSource, eventlog.Info|eventlog.Error|eventlog.Warning); err != nil { if !strings.Contains(err.Error(), "registry key already exists") { panic(fmt.Sprintf("could not access event log: %v", err)) } } w, err := eventlog.Open(natsEventSource) if err != nil { panic(fmt.Sprintf("could not open event log: %v", err)) } return &SysLogger{ writer: w, debug: debug, trace: trace, } }
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// NewSysLogger creates a log using the windows event logger
[ "NewSysLogger", "creates", "a", "log", "using", "the", "windows", "event", "logger" ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/logger/syslog_windows.go#L40-L57
164,226
nats-io/gnatsd
logger/syslog_windows.go
NewRemoteSysLogger
func NewRemoteSysLogger(fqn string, debug, trace bool) *SysLogger { w, err := eventlog.OpenRemote(fqn, natsEventSource) if err != nil { panic(fmt.Sprintf("could not open event log: %v", err)) } return &SysLogger{ writer: w, debug: debug, trace: trace, } }
go
func NewRemoteSysLogger(fqn string, debug, trace bool) *SysLogger { w, err := eventlog.OpenRemote(fqn, natsEventSource) if err != nil { panic(fmt.Sprintf("could not open event log: %v", err)) } return &SysLogger{ writer: w, debug: debug, trace: trace, } }
[ "func", "NewRemoteSysLogger", "(", "fqn", "string", ",", "debug", ",", "trace", "bool", ")", "*", "SysLogger", "{", "w", ",", "err", ":=", "eventlog", ".", "OpenRemote", "(", "fqn", ",", "natsEventSource", ")", "\n", "if", "err", "!=", "nil", "{", "panic", "(", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "err", ")", ")", "\n", "}", "\n\n", "return", "&", "SysLogger", "{", "writer", ":", "w", ",", "debug", ":", "debug", ",", "trace", ":", "trace", ",", "}", "\n", "}" ]
// NewRemoteSysLogger creates a remote event logger
[ "NewRemoteSysLogger", "creates", "a", "remote", "event", "logger" ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/logger/syslog_windows.go#L60-L71
164,227
nats-io/gnatsd
server/ring.go
newClosedRingBuffer
func newClosedRingBuffer(max int) *closedRingBuffer { rb := &closedRingBuffer{} rb.conns = make([]*closedClient, max) return rb }
go
func newClosedRingBuffer(max int) *closedRingBuffer { rb := &closedRingBuffer{} rb.conns = make([]*closedClient, max) return rb }
[ "func", "newClosedRingBuffer", "(", "max", "int", ")", "*", "closedRingBuffer", "{", "rb", ":=", "&", "closedRingBuffer", "{", "}", "\n", "rb", ".", "conns", "=", "make", "(", "[", "]", "*", "closedClient", ",", "max", ")", "\n", "return", "rb", "\n", "}" ]
// Create a new ring buffer with at most max items.
[ "Create", "a", "new", "ring", "buffer", "with", "at", "most", "max", "items", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/ring.go#L30-L34
164,228
nats-io/gnatsd
server/ring.go
append
func (rb *closedRingBuffer) append(cc *closedClient) { rb.conns[rb.next()] = cc rb.total++ }
go
func (rb *closedRingBuffer) append(cc *closedClient) { rb.conns[rb.next()] = cc rb.total++ }
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// Adds in a new closed connection. If there is no more room, // remove the oldest.
[ "Adds", "in", "a", "new", "closed", "connection", ".", "If", "there", "is", "no", "more", "room", "remove", "the", "oldest", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/ring.go#L38-L41
164,229
nats-io/gnatsd
server/ring.go
closedClients
func (rb *closedRingBuffer) closedClients() []*closedClient { dup := make([]*closedClient, rb.len()) head := rb.next() if rb.total <= uint64(cap(rb.conns)) || head == 0 { copy(dup, rb.conns[:rb.len()]) } else { fp := rb.conns[head:] sp := rb.conns[:head] copy(dup, fp) copy(dup[len(fp):], sp) } return dup }
go
func (rb *closedRingBuffer) closedClients() []*closedClient { dup := make([]*closedClient, rb.len()) head := rb.next() if rb.total <= uint64(cap(rb.conns)) || head == 0 { copy(dup, rb.conns[:rb.len()]) } else { fp := rb.conns[head:] sp := rb.conns[:head] copy(dup, fp) copy(dup[len(fp):], sp) } return dup }
[ "func", "(", "rb", "*", "closedRingBuffer", ")", "closedClients", "(", ")", "[", "]", "*", "closedClient", "{", "dup", ":=", "make", "(", "[", "]", "*", "closedClient", ",", "rb", ".", "len", "(", ")", ")", "\n", "head", ":=", "rb", ".", "next", "(", ")", "\n", "if", "rb", ".", "total", "<=", "uint64", "(", "cap", "(", "rb", ".", "conns", ")", ")", "||", "head", "==", "0", "{", "copy", "(", "dup", ",", "rb", ".", "conns", "[", ":", "rb", ".", "len", "(", ")", "]", ")", "\n", "}", "else", "{", "fp", ":=", "rb", ".", "conns", "[", "head", ":", "]", "\n", "sp", ":=", "rb", ".", "conns", "[", ":", "head", "]", "\n", "copy", "(", "dup", ",", "fp", ")", "\n", "copy", "(", "dup", "[", "len", "(", "fp", ")", ":", "]", ",", "sp", ")", "\n", "}", "\n", "return", "dup", "\n", "}" ]
// This will return a sorted copy of the list which recipient can // modify. If the contents of the client itself need to be modified, // meaning swapping in any optional items, a copy should be made. We // could introduce a new lock and hold that but since we return this // list inside monitor which allows programatic access, we do not // know when it would be done.
[ "This", "will", "return", "a", "sorted", "copy", "of", "the", "list", "which", "recipient", "can", "modify", ".", "If", "the", "contents", "of", "the", "client", "itself", "need", "to", "be", "modified", "meaning", "swapping", "in", "any", "optional", "items", "a", "copy", "should", "be", "made", ".", "We", "could", "introduce", "a", "new", "lock", "and", "hold", "that", "but", "since", "we", "return", "this", "list", "inside", "monitor", "which", "allows", "programatic", "access", "we", "do", "not", "know", "when", "it", "would", "be", "done", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/ring.go#L64-L76
164,230
nats-io/gnatsd
server/service_windows.go
Run
func Run(server *Server) error { if dockerized { server.Start() return nil } run := svc.Run isInteractive, err := svc.IsAnInteractiveSession() if err != nil { return err } if isInteractive { run = debug.Run } return run(serviceName, &winServiceWrapper{server}) }
go
func Run(server *Server) error { if dockerized { server.Start() return nil } run := svc.Run isInteractive, err := svc.IsAnInteractiveSession() if err != nil { return err } if isInteractive { run = debug.Run } return run(serviceName, &winServiceWrapper{server}) }
[ "func", "Run", "(", "server", "*", "Server", ")", "error", "{", "if", "dockerized", "{", "server", ".", "Start", "(", ")", "\n", "return", "nil", "\n", "}", "\n", "run", ":=", "svc", ".", "Run", "\n", "isInteractive", ",", "err", ":=", "svc", ".", "IsAnInteractiveSession", "(", ")", "\n", "if", "err", "!=", "nil", "{", "return", "err", "\n", "}", "\n", "if", "isInteractive", "{", "run", "=", "debug", ".", "Run", "\n", "}", "\n", "return", "run", "(", "serviceName", ",", "&", "winServiceWrapper", "{", "server", "}", ")", "\n", "}" ]
// Run starts the NATS server as a Windows service.
[ "Run", "starts", "the", "NATS", "server", "as", "a", "Windows", "service", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/service_windows.go#L108-L122
164,231
nats-io/gnatsd
server/accounts.go
shallowCopy
func (a *Account) shallowCopy() *Account { na := NewAccount(a.Name) na.Nkey = a.Nkey na.Issuer = a.Issuer na.imports = a.imports na.exports = a.exports return na }
go
func (a *Account) shallowCopy() *Account { na := NewAccount(a.Name) na.Nkey = a.Nkey na.Issuer = a.Issuer na.imports = a.imports na.exports = a.exports return na }
[ "func", "(", "a", "*", "Account", ")", "shallowCopy", "(", ")", "*", "Account", "{", "na", ":=", "NewAccount", "(", "a", ".", "Name", ")", "\n", "na", ".", "Nkey", "=", "a", ".", "Nkey", "\n", "na", ".", "Issuer", "=", "a", ".", "Issuer", "\n", "na", ".", "imports", "=", "a", ".", "imports", "\n", "na", ".", "exports", "=", "a", ".", "exports", "\n", "return", "na", "\n", "}" ]
// Used to create shallow copies of accounts for transfer // from opts to real accounts in server struct.
[ "Used", "to", "create", "shallow", "copies", "of", "accounts", "for", "transfer", "from", "opts", "to", "real", "accounts", "in", "server", "struct", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L129-L136
164,232
nats-io/gnatsd
server/accounts.go
NumConnections
func (a *Account) NumConnections() int { a.mu.RLock() nc := len(a.clients) + int(a.nrclients) a.mu.RUnlock() return nc }
go
func (a *Account) NumConnections() int { a.mu.RLock() nc := len(a.clients) + int(a.nrclients) a.mu.RUnlock() return nc }
[ "func", "(", "a", "*", "Account", ")", "NumConnections", "(", ")", "int", "{", "a", ".", "mu", ".", "RLock", "(", ")", "\n", "nc", ":=", "len", "(", "a", ".", "clients", ")", "+", "int", "(", "a", ".", "nrclients", ")", "\n", "a", ".", "mu", ".", "RUnlock", "(", ")", "\n", "return", "nc", "\n", "}" ]
// NumClients returns active number of clients for this account for // all known servers.
[ "NumClients", "returns", "active", "number", "of", "clients", "for", "this", "account", "for", "all", "known", "servers", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L140-L145
164,233
nats-io/gnatsd
server/accounts.go
NumLocalConnections
func (a *Account) NumLocalConnections() int { a.mu.RLock() nlc := a.numLocalConnections() a.mu.RUnlock() return nlc }
go
func (a *Account) NumLocalConnections() int { a.mu.RLock() nlc := a.numLocalConnections() a.mu.RUnlock() return nlc }
[ "func", "(", "a", "*", "Account", ")", "NumLocalConnections", "(", ")", "int", "{", "a", ".", "mu", ".", "RLock", "(", ")", "\n", "nlc", ":=", "a", ".", "numLocalConnections", "(", ")", "\n", "a", ".", "mu", ".", "RUnlock", "(", ")", "\n", "return", "nlc", "\n", "}" ]
// NumLocalClients returns active number of clients for this account // on this server.
[ "NumLocalClients", "returns", "active", "number", "of", "clients", "for", "this", "account", "on", "this", "server", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L149-L154
164,234
nats-io/gnatsd
server/accounts.go
numLocalConnections
func (a *Account) numLocalConnections() int { return len(a.clients) - int(a.sysclients) - int(a.nleafs) }
go
func (a *Account) numLocalConnections() int { return len(a.clients) - int(a.sysclients) - int(a.nleafs) }
[ "func", "(", "a", "*", "Account", ")", "numLocalConnections", "(", ")", "int", "{", "return", "len", "(", "a", ".", "clients", ")", "-", "int", "(", "a", ".", "sysclients", ")", "-", "int", "(", "a", ".", "nleafs", ")", "\n", "}" ]
// Do not account for the system accounts.
[ "Do", "not", "account", "for", "the", "system", "accounts", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L157-L159
164,235
nats-io/gnatsd
server/accounts.go
MaxTotalConnectionsReached
func (a *Account) MaxTotalConnectionsReached() bool { a.mu.RLock() mtc := a.maxTotalConnectionsReached() a.mu.RUnlock() return mtc }
go
func (a *Account) MaxTotalConnectionsReached() bool { a.mu.RLock() mtc := a.maxTotalConnectionsReached() a.mu.RUnlock() return mtc }
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// MaxTotalConnectionsReached returns if we have reached our limit for number of connections.
[ "MaxTotalConnectionsReached", "returns", "if", "we", "have", "reached", "our", "limit", "for", "number", "of", "connections", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L166-L171
164,236
nats-io/gnatsd
server/accounts.go
MaxActiveConnections
func (a *Account) MaxActiveConnections() int { a.mu.RLock() mconns := int(a.mconns) a.mu.RUnlock() return mconns }
go
func (a *Account) MaxActiveConnections() int { a.mu.RLock() mconns := int(a.mconns) a.mu.RUnlock() return mconns }
[ "func", "(", "a", "*", "Account", ")", "MaxActiveConnections", "(", ")", "int", "{", "a", ".", "mu", ".", "RLock", "(", ")", "\n", "mconns", ":=", "int", "(", "a", ".", "mconns", ")", "\n", "a", ".", "mu", ".", "RUnlock", "(", ")", "\n", "return", "mconns", "\n", "}" ]
// MaxActiveConnections return the set limit for the account system // wide for total number of active connections.
[ "MaxActiveConnections", "return", "the", "set", "limit", "for", "the", "account", "system", "wide", "for", "total", "number", "of", "active", "connections", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L182-L187
164,237
nats-io/gnatsd
server/accounts.go
NumLeafNodes
func (a *Account) NumLeafNodes() int { a.mu.RLock() nln := int(a.nleafs + a.nrleafs) a.mu.RUnlock() return nln }
go
func (a *Account) NumLeafNodes() int { a.mu.RLock() nln := int(a.nleafs + a.nrleafs) a.mu.RUnlock() return nln }
[ "func", "(", "a", "*", "Account", ")", "NumLeafNodes", "(", ")", "int", "{", "a", ".", "mu", ".", "RLock", "(", ")", "\n", "nln", ":=", "int", "(", "a", ".", "nleafs", "+", "a", ".", "nrleafs", ")", "\n", "a", ".", "mu", ".", "RUnlock", "(", ")", "\n", "return", "nln", "\n", "}" ]
// NumLeafNodes returns the active number of local and remote // leaf node connections.
[ "NumLeafNodes", "returns", "the", "active", "number", "of", "local", "and", "remote", "leaf", "node", "connections", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L206-L211
164,238
nats-io/gnatsd
server/accounts.go
NumRemoteLeafNodes
func (a *Account) NumRemoteLeafNodes() int { a.mu.RLock() nrn := int(a.nrleafs) a.mu.RUnlock() return nrn }
go
func (a *Account) NumRemoteLeafNodes() int { a.mu.RLock() nrn := int(a.nrleafs) a.mu.RUnlock() return nrn }
[ "func", "(", "a", "*", "Account", ")", "NumRemoteLeafNodes", "(", ")", "int", "{", "a", ".", "mu", ".", "RLock", "(", ")", "\n", "nrn", ":=", "int", "(", "a", ".", "nrleafs", ")", "\n", "a", ".", "mu", ".", "RUnlock", "(", ")", "\n", "return", "nrn", "\n", "}" ]
// NumRemoteLeafNodes returns the active number of remote // leaf node connections.
[ "NumRemoteLeafNodes", "returns", "the", "active", "number", "of", "remote", "leaf", "node", "connections", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L215-L220
164,239
nats-io/gnatsd
server/accounts.go
RoutedSubs
func (a *Account) RoutedSubs() int { a.mu.RLock() defer a.mu.RUnlock() return len(a.rm) }
go
func (a *Account) RoutedSubs() int { a.mu.RLock() defer a.mu.RUnlock() return len(a.rm) }
[ "func", "(", "a", "*", "Account", ")", "RoutedSubs", "(", ")", "int", "{", "a", ".", "mu", ".", "RLock", "(", ")", "\n", "defer", "a", ".", "mu", ".", "RUnlock", "(", ")", "\n", "return", "len", "(", "a", ".", "rm", ")", "\n", "}" ]
// RoutedSubs returns how many subjects we would send across a route when first // connected or expressing interest. Local client subs.
[ "RoutedSubs", "returns", "how", "many", "subjects", "we", "would", "send", "across", "a", "route", "when", "first", "connected", "or", "expressing", "interest", ".", "Local", "client", "subs", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L234-L238
164,240
nats-io/gnatsd
server/accounts.go
TotalSubs
func (a *Account) TotalSubs() int { a.mu.RLock() defer a.mu.RUnlock() return int(a.sl.Count()) }
go
func (a *Account) TotalSubs() int { a.mu.RLock() defer a.mu.RUnlock() return int(a.sl.Count()) }
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// TotalSubs returns total number of Subscriptions for this account.
[ "TotalSubs", "returns", "total", "number", "of", "Subscriptions", "for", "this", "account", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L241-L245
164,241
nats-io/gnatsd
server/accounts.go
addClient
func (a *Account) addClient(c *client) int { a.mu.Lock() n := len(a.clients) if a.clients != nil { a.clients[c] = c } added := n != len(a.clients) if added { if c.kind == SYSTEM { a.sysclients++ } else if c.kind == LEAF { a.nleafs++ } } a.mu.Unlock() if c != nil && c.srv != nil && a != c.srv.gacc && added { c.srv.accConnsUpdate(a) } return n }
go
func (a *Account) addClient(c *client) int { a.mu.Lock() n := len(a.clients) if a.clients != nil { a.clients[c] = c } added := n != len(a.clients) if added { if c.kind == SYSTEM { a.sysclients++ } else if c.kind == LEAF { a.nleafs++ } } a.mu.Unlock() if c != nil && c.srv != nil && a != c.srv.gacc && added { c.srv.accConnsUpdate(a) } return n }
[ "func", "(", "a", "*", "Account", ")", "addClient", "(", "c", "*", "client", ")", "int", "{", "a", ".", "mu", ".", "Lock", "(", ")", "\n", "n", ":=", "len", "(", "a", ".", "clients", ")", "\n", "if", "a", ".", "clients", "!=", "nil", "{", "a", ".", "clients", "[", "c", "]", "=", "c", "\n", "}", "\n", "added", ":=", "n", "!=", "len", "(", "a", ".", "clients", ")", "\n", "if", "added", "{", "if", "c", ".", "kind", "==", "SYSTEM", "{", "a", ".", "sysclients", "++", "\n", "}", "else", "if", "c", ".", "kind", "==", "LEAF", "{", "a", ".", "nleafs", "++", "\n", "}", "\n", "}", "\n", "a", ".", "mu", ".", "Unlock", "(", ")", "\n", "if", "c", "!=", "nil", "&&", "c", ".", "srv", "!=", "nil", "&&", "a", "!=", "c", ".", "srv", ".", "gacc", "&&", "added", "{", "c", ".", "srv", ".", "accConnsUpdate", "(", "a", ")", "\n", "}", "\n", "return", "n", "\n", "}" ]
// addClient keeps our accounting of local active clients or leafnodes updated. // Returns previous total.
[ "addClient", "keeps", "our", "accounting", "of", "local", "active", "clients", "or", "leafnodes", "updated", ".", "Returns", "previous", "total", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L249-L268
164,242
nats-io/gnatsd
server/accounts.go
numServiceRoutes
func (a *Account) numServiceRoutes() int { a.mu.RLock() defer a.mu.RUnlock() return len(a.imports.services) }
go
func (a *Account) numServiceRoutes() int { a.mu.RLock() defer a.mu.RUnlock() return len(a.imports.services) }
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// numServiceRoutes returns the number of service routes on this account.
[ "numServiceRoutes", "returns", "the", "number", "of", "service", "routes", "on", "this", "account", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L330-L334
164,243
nats-io/gnatsd
server/accounts.go
removeServiceImport
func (a *Account) removeServiceImport(subject string) { a.mu.Lock() si, ok := a.imports.services[subject] if ok && si != nil && si.ae { a.nae-- } delete(a.imports.services, subject) a.mu.Unlock() if a.srv != nil && a.srv.gateway.enabled { a.srv.gatewayHandleServiceImport(a, []byte(subject), nil, -1) } }
go
func (a *Account) removeServiceImport(subject string) { a.mu.Lock() si, ok := a.imports.services[subject] if ok && si != nil && si.ae { a.nae-- } delete(a.imports.services, subject) a.mu.Unlock() if a.srv != nil && a.srv.gateway.enabled { a.srv.gatewayHandleServiceImport(a, []byte(subject), nil, -1) } }
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// removeServiceImport will remove the route by subject.
[ "removeServiceImport", "will", "remove", "the", "route", "by", "subject", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L364-L375
164,244
nats-io/gnatsd
server/accounts.go
MaxAutoExpireResponseMaps
func (a *Account) MaxAutoExpireResponseMaps() int { a.mu.RLock() defer a.mu.RUnlock() return int(a.maxnae) }
go
func (a *Account) MaxAutoExpireResponseMaps() int { a.mu.RLock() defer a.mu.RUnlock() return int(a.maxnae) }
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// MaxAutoExpireResponseMaps return the maximum number of // auto expire response maps we will allow.
[ "MaxAutoExpireResponseMaps", "return", "the", "maximum", "number", "of", "auto", "expire", "response", "maps", "we", "will", "allow", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L387-L391
164,245
nats-io/gnatsd
server/accounts.go
SetMaxAutoExpireResponseMaps
func (a *Account) SetMaxAutoExpireResponseMaps(max int) { a.mu.Lock() defer a.mu.Unlock() a.maxnae = int32(max) }
go
func (a *Account) SetMaxAutoExpireResponseMaps(max int) { a.mu.Lock() defer a.mu.Unlock() a.maxnae = int32(max) }
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// SetMaxAutoExpireResponseMaps sets the max outstanding auto expire response maps.
[ "SetMaxAutoExpireResponseMaps", "sets", "the", "max", "outstanding", "auto", "expire", "response", "maps", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L394-L398
164,246
nats-io/gnatsd
server/accounts.go
AutoExpireTTL
func (a *Account) AutoExpireTTL() time.Duration { a.mu.RLock() defer a.mu.RUnlock() return a.maxaettl }
go
func (a *Account) AutoExpireTTL() time.Duration { a.mu.RLock() defer a.mu.RUnlock() return a.maxaettl }
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// AutoExpireTTL returns the ttl for response maps.
[ "AutoExpireTTL", "returns", "the", "ttl", "for", "response", "maps", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L401-L405
164,247
nats-io/gnatsd
server/accounts.go
SetAutoExpireTTL
func (a *Account) SetAutoExpireTTL(ttl time.Duration) { a.mu.Lock() defer a.mu.Unlock() a.maxaettl = ttl }
go
func (a *Account) SetAutoExpireTTL(ttl time.Duration) { a.mu.Lock() defer a.mu.Unlock() a.maxaettl = ttl }
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// SetAutoExpireTTL sets the ttl for response maps.
[ "SetAutoExpireTTL", "sets", "the", "ttl", "for", "response", "maps", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L408-L412
164,248
nats-io/gnatsd
server/accounts.go
autoExpireResponseMaps
func (a *Account) autoExpireResponseMaps() []*serviceImport { a.mu.RLock() defer a.mu.RUnlock() if len(a.imports.services) == 0 { return nil } aesis := make([]*serviceImport, 0, len(a.imports.services)) for _, si := range a.imports.services { if si.ae { aesis = append(aesis, si) } } sort.Slice(aesis, func(i, j int) bool { return aesis[i].ts < aesis[j].ts }) return aesis }
go
func (a *Account) autoExpireResponseMaps() []*serviceImport { a.mu.RLock() defer a.mu.RUnlock() if len(a.imports.services) == 0 { return nil } aesis := make([]*serviceImport, 0, len(a.imports.services)) for _, si := range a.imports.services { if si.ae { aesis = append(aesis, si) } } sort.Slice(aesis, func(i, j int) bool { return aesis[i].ts < aesis[j].ts }) return aesis }
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// Return a list of the current autoExpireResponseMaps.
[ "Return", "a", "list", "of", "the", "current", "autoExpireResponseMaps", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L415-L431
164,249
nats-io/gnatsd
server/accounts.go
addImplicitServiceImport
func (a *Account) addImplicitServiceImport(destination *Account, from, to string, autoexpire bool, claim *jwt.Import) error { a.mu.Lock() if a.imports.services == nil { a.imports.services = make(map[string]*serviceImport) } si := &serviceImport{destination, from, to, autoexpire, 0, claim, false} a.imports.services[from] = si if autoexpire { a.nae++ si.ts = time.Now().Unix() if a.nae > a.maxnae && !a.pruning { a.pruning = true go a.pruneAutoExpireResponseMaps() } } a.mu.Unlock() return nil }
go
func (a *Account) addImplicitServiceImport(destination *Account, from, to string, autoexpire bool, claim *jwt.Import) error { a.mu.Lock() if a.imports.services == nil { a.imports.services = make(map[string]*serviceImport) } si := &serviceImport{destination, from, to, autoexpire, 0, claim, false} a.imports.services[from] = si if autoexpire { a.nae++ si.ts = time.Now().Unix() if a.nae > a.maxnae && !a.pruning { a.pruning = true go a.pruneAutoExpireResponseMaps() } } a.mu.Unlock() return nil }
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// Add a route to connect from an implicit route created for a response to a request. // This does no checks and should be only called by the msg processing code. Use // addServiceImport from above if responding to user input or config changes, etc.
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7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L436-L453
164,250
nats-io/gnatsd
server/accounts.go
pruneAutoExpireResponseMaps
func (a *Account) pruneAutoExpireResponseMaps() { defer func() { a.mu.Lock() a.pruning = false a.mu.Unlock() }() a.mu.RLock() ttl := int64(a.maxaettl/time.Second) + 1 a.mu.RUnlock() for { sis := a.autoExpireResponseMaps() // Check ttl items. now := time.Now().Unix() for i, si := range sis { if now-si.ts >= ttl { a.removeServiceImport(si.from) } else { sis = sis[i:] break } } a.mu.RLock() numOver := int(a.nae - a.maxnae) a.mu.RUnlock() if numOver <= 0 { return } else if numOver >= len(sis) { numOver = len(sis) - 1 } // These are in sorted order, remove at least numOver for _, si := range sis[:numOver] { a.removeServiceImport(si.from) } } }
go
func (a *Account) pruneAutoExpireResponseMaps() { defer func() { a.mu.Lock() a.pruning = false a.mu.Unlock() }() a.mu.RLock() ttl := int64(a.maxaettl/time.Second) + 1 a.mu.RUnlock() for { sis := a.autoExpireResponseMaps() // Check ttl items. now := time.Now().Unix() for i, si := range sis { if now-si.ts >= ttl { a.removeServiceImport(si.from) } else { sis = sis[i:] break } } a.mu.RLock() numOver := int(a.nae - a.maxnae) a.mu.RUnlock() if numOver <= 0 { return } else if numOver >= len(sis) { numOver = len(sis) - 1 } // These are in sorted order, remove at least numOver for _, si := range sis[:numOver] { a.removeServiceImport(si.from) } } }
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// This will prune the list to below the threshold and remove all ttl'd maps.
[ "This", "will", "prune", "the", "list", "to", "below", "the", "threshold", "and", "remove", "all", "ttl", "d", "maps", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L456-L495
164,251
nats-io/gnatsd
server/accounts.go
AddStreamImportWithClaim
func (a *Account) AddStreamImportWithClaim(account *Account, from, prefix string, imClaim *jwt.Import) error { if account == nil { return ErrMissingAccount } // First check to see if the account has authorized export of the subject. if !account.checkStreamImportAuthorized(a, from, imClaim) { return ErrStreamImportAuthorization } a.mu.Lock() defer a.mu.Unlock() if a.imports.streams == nil { a.imports.streams = make(map[string]*streamImport) } if prefix != "" && prefix[len(prefix)-1] != btsep { prefix = prefix + string(btsep) } // TODO(dlc) - collisions, etc. a.imports.streams[from] = &streamImport{account, from, prefix, imClaim, false} return nil }
go
func (a *Account) AddStreamImportWithClaim(account *Account, from, prefix string, imClaim *jwt.Import) error { if account == nil { return ErrMissingAccount } // First check to see if the account has authorized export of the subject. if !account.checkStreamImportAuthorized(a, from, imClaim) { return ErrStreamImportAuthorization } a.mu.Lock() defer a.mu.Unlock() if a.imports.streams == nil { a.imports.streams = make(map[string]*streamImport) } if prefix != "" && prefix[len(prefix)-1] != btsep { prefix = prefix + string(btsep) } // TODO(dlc) - collisions, etc. a.imports.streams[from] = &streamImport{account, from, prefix, imClaim, false} return nil }
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// AddStreamImportWithClaim will add in the stream import from a specific account with optional token.
[ "AddStreamImportWithClaim", "will", "add", "in", "the", "stream", "import", "from", "a", "specific", "account", "with", "optional", "token", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L498-L519
164,252
nats-io/gnatsd
server/accounts.go
AddStreamImport
func (a *Account) AddStreamImport(account *Account, from, prefix string) error { return a.AddStreamImportWithClaim(account, from, prefix, nil) }
go
func (a *Account) AddStreamImport(account *Account, from, prefix string) error { return a.AddStreamImportWithClaim(account, from, prefix, nil) }
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// AddStreamImport will add in the stream import from a specific account.
[ "AddStreamImport", "will", "add", "in", "the", "stream", "import", "from", "a", "specific", "account", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L522-L524
164,253
nats-io/gnatsd
server/accounts.go
AddStreamExport
func (a *Account) AddStreamExport(subject string, accounts []*Account) error { a.mu.Lock() defer a.mu.Unlock() if a == nil { return ErrMissingAccount } if a.exports.streams == nil { a.exports.streams = make(map[string]*exportAuth) } ea := a.exports.streams[subject] if accounts != nil { if ea == nil { ea = &exportAuth{} } // empty means auth required but will be import token. if len(accounts) == 0 { ea.tokenReq = true } else { if ea.approved == nil { ea.approved = make(map[string]*Account, len(accounts)) } for _, acc := range accounts { ea.approved[acc.Name] = acc } } } a.exports.streams[subject] = ea return nil }
go
func (a *Account) AddStreamExport(subject string, accounts []*Account) error { a.mu.Lock() defer a.mu.Unlock() if a == nil { return ErrMissingAccount } if a.exports.streams == nil { a.exports.streams = make(map[string]*exportAuth) } ea := a.exports.streams[subject] if accounts != nil { if ea == nil { ea = &exportAuth{} } // empty means auth required but will be import token. if len(accounts) == 0 { ea.tokenReq = true } else { if ea.approved == nil { ea.approved = make(map[string]*Account, len(accounts)) } for _, acc := range accounts { ea.approved[acc.Name] = acc } } } a.exports.streams[subject] = ea return nil }
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// AddStreamExport will add an export to the account. If accounts is nil // it will signify a public export, meaning anyone can impoort.
[ "AddStreamExport", "will", "add", "an", "export", "to", "the", "account", ".", "If", "accounts", "is", "nil", "it", "will", "signify", "a", "public", "export", "meaning", "anyone", "can", "impoort", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L531-L559
164,254
nats-io/gnatsd
server/accounts.go
checkStreamImportAuthorized
func (a *Account) checkStreamImportAuthorized(account *Account, subject string, imClaim *jwt.Import) bool { // Find the subject in the exports list. a.mu.RLock() defer a.mu.RUnlock() return a.checkStreamImportAuthorizedNoLock(account, subject, imClaim) }
go
func (a *Account) checkStreamImportAuthorized(account *Account, subject string, imClaim *jwt.Import) bool { // Find the subject in the exports list. a.mu.RLock() defer a.mu.RUnlock() return a.checkStreamImportAuthorizedNoLock(account, subject, imClaim) }
[ "func", "(", "a", "*", "Account", ")", "checkStreamImportAuthorized", "(", "account", "*", "Account", ",", "subject", "string", ",", "imClaim", "*", "jwt", ".", "Import", ")", "bool", "{", "// Find the subject in the exports list.", "a", ".", "mu", ".", "RLock", "(", ")", "\n", "defer", "a", ".", "mu", ".", "RUnlock", "(", ")", "\n", "return", "a", ".", "checkStreamImportAuthorizedNoLock", "(", "account", ",", "subject", ",", "imClaim", ")", "\n", "}" ]
// Check if another account is authorized to import from us.
[ "Check", "if", "another", "account", "is", "authorized", "to", "import", "from", "us", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L562-L567
164,255
nats-io/gnatsd
server/accounts.go
fetchActivation
func fetchActivation(url string) string { // FIXME(dlc) - Make configurable. c := &http.Client{Timeout: 2 * time.Second} resp, err := c.Get(url) if err != nil || resp == nil { return "" } defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) if err != nil { return "" } return string(body) }
go
func fetchActivation(url string) string { // FIXME(dlc) - Make configurable. c := &http.Client{Timeout: 2 * time.Second} resp, err := c.Get(url) if err != nil || resp == nil { return "" } defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) if err != nil { return "" } return string(body) }
[ "func", "fetchActivation", "(", "url", "string", ")", "string", "{", "// FIXME(dlc) - Make configurable.", "c", ":=", "&", "http", ".", "Client", "{", "Timeout", ":", "2", "*", "time", ".", "Second", "}", "\n", "resp", ",", "err", ":=", "c", ".", "Get", "(", "url", ")", "\n", "if", "err", "!=", "nil", "||", "resp", "==", "nil", "{", "return", "\"", "\"", "\n", "}", "\n", "defer", "resp", ".", "Body", ".", "Close", "(", ")", "\n", "body", ",", "err", ":=", "ioutil", ".", "ReadAll", "(", "resp", ".", "Body", ")", "\n", "if", "err", "!=", "nil", "{", "return", "\"", "\"", "\n", "}", "\n", "return", "string", "(", "body", ")", "\n", "}" ]
// Will fetch the activation token for an import.
[ "Will", "fetch", "the", "activation", "token", "for", "an", "import", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L614-L627
164,256
nats-io/gnatsd
server/accounts.go
streamActivationExpired
func (a *Account) streamActivationExpired(subject string) { a.mu.RLock() if a.expired || a.imports.streams == nil { a.mu.RUnlock() return } si := a.imports.streams[subject] if si == nil || si.invalid { a.mu.RUnlock() return } a.mu.RUnlock() if si.acc.checkActivation(a, si.claim, false) { // The token has been updated most likely and we are good to go. return } a.mu.Lock() si.invalid = true clients := make([]*client, 0, len(a.clients)) for _, c := range a.clients { clients = append(clients, c) } awcsti := map[string]struct{}{a.Name: struct{}{}} a.mu.Unlock() for _, c := range clients { c.processSubsOnConfigReload(awcsti) } }
go
func (a *Account) streamActivationExpired(subject string) { a.mu.RLock() if a.expired || a.imports.streams == nil { a.mu.RUnlock() return } si := a.imports.streams[subject] if si == nil || si.invalid { a.mu.RUnlock() return } a.mu.RUnlock() if si.acc.checkActivation(a, si.claim, false) { // The token has been updated most likely and we are good to go. return } a.mu.Lock() si.invalid = true clients := make([]*client, 0, len(a.clients)) for _, c := range a.clients { clients = append(clients, c) } awcsti := map[string]struct{}{a.Name: struct{}{}} a.mu.Unlock() for _, c := range clients { c.processSubsOnConfigReload(awcsti) } }
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// These are import stream specific versions for when an activation expires.
[ "These", "are", "import", "stream", "specific", "versions", "for", "when", "an", "activation", "expires", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L630-L659
164,257
nats-io/gnatsd
server/accounts.go
serviceActivationExpired
func (a *Account) serviceActivationExpired(subject string) { a.mu.RLock() if a.expired || a.imports.services == nil { a.mu.RUnlock() return } si := a.imports.services[subject] if si == nil || si.invalid { a.mu.RUnlock() return } a.mu.RUnlock() if si.acc.checkActivation(a, si.claim, false) { // The token has been updated most likely and we are good to go. return } a.mu.Lock() si.invalid = true a.mu.Unlock() }
go
func (a *Account) serviceActivationExpired(subject string) { a.mu.RLock() if a.expired || a.imports.services == nil { a.mu.RUnlock() return } si := a.imports.services[subject] if si == nil || si.invalid { a.mu.RUnlock() return } a.mu.RUnlock() if si.acc.checkActivation(a, si.claim, false) { // The token has been updated most likely and we are good to go. return } a.mu.Lock() si.invalid = true a.mu.Unlock() }
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// These are import service specific versions for when an activation expires.
[ "These", "are", "import", "service", "specific", "versions", "for", "when", "an", "activation", "expires", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L662-L683
164,258
nats-io/gnatsd
server/accounts.go
activationExpired
func (a *Account) activationExpired(subject string, kind jwt.ExportType) { switch kind { case jwt.Stream: a.streamActivationExpired(subject) case jwt.Service: a.serviceActivationExpired(subject) } }
go
func (a *Account) activationExpired(subject string, kind jwt.ExportType) { switch kind { case jwt.Stream: a.streamActivationExpired(subject) case jwt.Service: a.serviceActivationExpired(subject) } }
[ "func", "(", "a", "*", "Account", ")", "activationExpired", "(", "subject", "string", ",", "kind", "jwt", ".", "ExportType", ")", "{", "switch", "kind", "{", "case", "jwt", ".", "Stream", ":", "a", ".", "streamActivationExpired", "(", "subject", ")", "\n", "case", "jwt", ".", "Service", ":", "a", ".", "serviceActivationExpired", "(", "subject", ")", "\n", "}", "\n", "}" ]
// Fires for expired activation tokens. We could track this with timers etc. // Instead we just re-analyze where we are and if we need to act.
[ "Fires", "for", "expired", "activation", "tokens", ".", "We", "could", "track", "this", "with", "timers", "etc", ".", "Instead", "we", "just", "re", "-", "analyze", "where", "we", "are", "and", "if", "we", "need", "to", "act", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L687-L694
164,259
nats-io/gnatsd
server/accounts.go
checkActivation
func (a *Account) checkActivation(acc *Account, claim *jwt.Import, expTimer bool) bool { if claim == nil || claim.Token == "" { return false } // Create a quick clone so we can inline Token JWT. clone := *claim // We grab the token from a URL by hand here since we need expiration etc. if url, err := url.Parse(clone.Token); err == nil && url.Scheme != "" { clone.Token = fetchActivation(url.String()) } vr := jwt.CreateValidationResults() clone.Validate(a.Name, vr) if vr.IsBlocking(true) { return false } act, err := jwt.DecodeActivationClaims(clone.Token) if err != nil { return false } vr = jwt.CreateValidationResults() act.Validate(vr) if vr.IsBlocking(true) { return false } if !a.isIssuerClaimTrusted(act) { return false } if act.Expires != 0 { tn := time.Now().Unix() if act.Expires <= tn { return false } if expTimer { expiresAt := time.Duration(act.Expires - tn) time.AfterFunc(expiresAt*time.Second, func() { acc.activationExpired(string(act.ImportSubject), claim.Type) }) } } return true }
go
func (a *Account) checkActivation(acc *Account, claim *jwt.Import, expTimer bool) bool { if claim == nil || claim.Token == "" { return false } // Create a quick clone so we can inline Token JWT. clone := *claim // We grab the token from a URL by hand here since we need expiration etc. if url, err := url.Parse(clone.Token); err == nil && url.Scheme != "" { clone.Token = fetchActivation(url.String()) } vr := jwt.CreateValidationResults() clone.Validate(a.Name, vr) if vr.IsBlocking(true) { return false } act, err := jwt.DecodeActivationClaims(clone.Token) if err != nil { return false } vr = jwt.CreateValidationResults() act.Validate(vr) if vr.IsBlocking(true) { return false } if !a.isIssuerClaimTrusted(act) { return false } if act.Expires != 0 { tn := time.Now().Unix() if act.Expires <= tn { return false } if expTimer { expiresAt := time.Duration(act.Expires - tn) time.AfterFunc(expiresAt*time.Second, func() { acc.activationExpired(string(act.ImportSubject), claim.Type) }) } } return true }
[ "func", "(", "a", "*", "Account", ")", "checkActivation", "(", "acc", "*", "Account", ",", "claim", "*", "jwt", ".", "Import", ",", "expTimer", "bool", ")", "bool", "{", "if", "claim", "==", "nil", "||", "claim", ".", "Token", "==", "\"", "\"", "{", "return", "false", "\n", "}", "\n", "// Create a quick clone so we can inline Token JWT.", "clone", ":=", "*", "claim", "\n\n", "// We grab the token from a URL by hand here since we need expiration etc.", "if", "url", ",", "err", ":=", "url", ".", "Parse", "(", "clone", ".", "Token", ")", ";", "err", "==", "nil", "&&", "url", ".", "Scheme", "!=", "\"", "\"", "{", "clone", ".", "Token", "=", "fetchActivation", "(", "url", ".", "String", "(", ")", ")", "\n", "}", "\n", "vr", ":=", "jwt", ".", "CreateValidationResults", "(", ")", "\n", "clone", ".", "Validate", "(", "a", ".", "Name", ",", "vr", ")", "\n", "if", "vr", ".", "IsBlocking", "(", "true", ")", "{", "return", "false", "\n", "}", "\n", "act", ",", "err", ":=", "jwt", ".", "DecodeActivationClaims", "(", "clone", ".", "Token", ")", "\n", "if", "err", "!=", "nil", "{", "return", "false", "\n", "}", "\n", "vr", "=", "jwt", ".", "CreateValidationResults", "(", ")", "\n", "act", ".", "Validate", "(", "vr", ")", "\n", "if", "vr", ".", "IsBlocking", "(", "true", ")", "{", "return", "false", "\n", "}", "\n", "if", "!", "a", ".", "isIssuerClaimTrusted", "(", "act", ")", "{", "return", "false", "\n", "}", "\n", "if", "act", ".", "Expires", "!=", "0", "{", "tn", ":=", "time", ".", "Now", "(", ")", ".", "Unix", "(", ")", "\n", "if", "act", ".", "Expires", "<=", "tn", "{", "return", "false", "\n", "}", "\n", "if", "expTimer", "{", "expiresAt", ":=", "time", ".", "Duration", "(", "act", ".", "Expires", "-", "tn", ")", "\n", "time", ".", "AfterFunc", "(", "expiresAt", "*", "time", ".", "Second", ",", "func", "(", ")", "{", "acc", ".", "activationExpired", "(", "string", "(", "act", ".", "ImportSubject", ")", ",", "claim", ".", "Type", ")", "\n", "}", ")", "\n", "}", "\n", "}", "\n\n", "return", "true", "\n", "}" ]
// checkActivation will check the activation token for validity.
[ "checkActivation", "will", "check", "the", "activation", "token", "for", "validity", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L697-L739
164,260
nats-io/gnatsd
server/accounts.go
isIssuerClaimTrusted
func (a *Account) isIssuerClaimTrusted(claims *jwt.ActivationClaims) bool { // if no issuer account, issuer is the account if claims.IssuerAccount == "" { return true } // get the referenced account if a.srv != nil { ia, err := a.srv.lookupAccount(claims.IssuerAccount) if err != nil { return false } return ia.hasIssuer(claims.Issuer) } // couldn't verify return false }
go
func (a *Account) isIssuerClaimTrusted(claims *jwt.ActivationClaims) bool { // if no issuer account, issuer is the account if claims.IssuerAccount == "" { return true } // get the referenced account if a.srv != nil { ia, err := a.srv.lookupAccount(claims.IssuerAccount) if err != nil { return false } return ia.hasIssuer(claims.Issuer) } // couldn't verify return false }
[ "func", "(", "a", "*", "Account", ")", "isIssuerClaimTrusted", "(", "claims", "*", "jwt", ".", "ActivationClaims", ")", "bool", "{", "// if no issuer account, issuer is the account", "if", "claims", ".", "IssuerAccount", "==", "\"", "\"", "{", "return", "true", "\n", "}", "\n", "// get the referenced account", "if", "a", ".", "srv", "!=", "nil", "{", "ia", ",", "err", ":=", "a", ".", "srv", ".", "lookupAccount", "(", "claims", ".", "IssuerAccount", ")", "\n", "if", "err", "!=", "nil", "{", "return", "false", "\n", "}", "\n", "return", "ia", ".", "hasIssuer", "(", "claims", ".", "Issuer", ")", "\n", "}", "\n", "// couldn't verify", "return", "false", "\n", "}" ]
// Returns true if the activation claim is trusted. That is the issuer matches // the account or is an entry in the signing keys.
[ "Returns", "true", "if", "the", "activation", "claim", "is", "trusted", ".", "That", "is", "the", "issuer", "matches", "the", "account", "or", "is", "an", "entry", "in", "the", "signing", "keys", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L743-L758
164,261
nats-io/gnatsd
server/accounts.go
checkStreamImportsEqual
func (a *Account) checkStreamImportsEqual(b *Account) bool { if len(a.imports.streams) != len(b.imports.streams) { return false } for subj, aim := range a.imports.streams { bim := b.imports.streams[subj] if bim == nil { return false } if aim.acc.Name != bim.acc.Name || aim.from != bim.from || aim.prefix != bim.prefix { return false } } return true }
go
func (a *Account) checkStreamImportsEqual(b *Account) bool { if len(a.imports.streams) != len(b.imports.streams) { return false } for subj, aim := range a.imports.streams { bim := b.imports.streams[subj] if bim == nil { return false } if aim.acc.Name != bim.acc.Name || aim.from != bim.from || aim.prefix != bim.prefix { return false } } return true }
[ "func", "(", "a", "*", "Account", ")", "checkStreamImportsEqual", "(", "b", "*", "Account", ")", "bool", "{", "if", "len", "(", "a", ".", "imports", ".", "streams", ")", "!=", "len", "(", "b", ".", "imports", ".", "streams", ")", "{", "return", "false", "\n", "}", "\n", "for", "subj", ",", "aim", ":=", "range", "a", ".", "imports", ".", "streams", "{", "bim", ":=", "b", ".", "imports", ".", "streams", "[", "subj", "]", "\n", "if", "bim", "==", "nil", "{", "return", "false", "\n", "}", "\n", "if", "aim", ".", "acc", ".", "Name", "!=", "bim", ".", "acc", ".", "Name", "||", "aim", ".", "from", "!=", "bim", ".", "from", "||", "aim", ".", "prefix", "!=", "bim", ".", "prefix", "{", "return", "false", "\n", "}", "\n", "}", "\n", "return", "true", "\n", "}" ]
// Returns true if `a` and `b` stream imports are the same. Note that the // check is done with the account's name, not the pointer. This is used // during config reload where we are comparing current and new config // in which pointers are different. // No lock is acquired in this function, so it is assumed that the // import maps are not changed while this executes.
[ "Returns", "true", "if", "a", "and", "b", "stream", "imports", "are", "the", "same", ".", "Note", "that", "the", "check", "is", "done", "with", "the", "account", "s", "name", "not", "the", "pointer", ".", "This", "is", "used", "during", "config", "reload", "where", "we", "are", "comparing", "current", "and", "new", "config", "in", "which", "pointers", "are", "different", ".", "No", "lock", "is", "acquired", "in", "this", "function", "so", "it", "is", "assumed", "that", "the", "import", "maps", "are", "not", "changed", "while", "this", "executes", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L766-L780
164,262
nats-io/gnatsd
server/accounts.go
checkServiceImportAuthorizedNoLock
func (a *Account) checkServiceImportAuthorizedNoLock(account *Account, subject string, imClaim *jwt.Import) bool { // Find the subject in the services list. if a.exports.services == nil || !IsValidLiteralSubject(subject) { return false } return a.checkExportApproved(account, subject, imClaim, a.exports.services) }
go
func (a *Account) checkServiceImportAuthorizedNoLock(account *Account, subject string, imClaim *jwt.Import) bool { // Find the subject in the services list. if a.exports.services == nil || !IsValidLiteralSubject(subject) { return false } return a.checkExportApproved(account, subject, imClaim, a.exports.services) }
[ "func", "(", "a", "*", "Account", ")", "checkServiceImportAuthorizedNoLock", "(", "account", "*", "Account", ",", "subject", "string", ",", "imClaim", "*", "jwt", ".", "Import", ")", "bool", "{", "// Find the subject in the services list.", "if", "a", ".", "exports", ".", "services", "==", "nil", "||", "!", "IsValidLiteralSubject", "(", "subject", ")", "{", "return", "false", "\n", "}", "\n", "return", "a", ".", "checkExportApproved", "(", "account", ",", "subject", ",", "imClaim", ",", "a", ".", "exports", ".", "services", ")", "\n", "}" ]
// Check if another account is authorized to route requests to this service.
[ "Check", "if", "another", "account", "is", "authorized", "to", "route", "requests", "to", "this", "service", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L821-L827
164,263
nats-io/gnatsd
server/accounts.go
IsExpired
func (a *Account) IsExpired() bool { a.mu.RLock() exp := a.expired a.mu.RUnlock() return exp }
go
func (a *Account) IsExpired() bool { a.mu.RLock() exp := a.expired a.mu.RUnlock() return exp }
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// IsExpired returns expiration status.
[ "IsExpired", "returns", "expiration", "status", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L830-L835
164,264
nats-io/gnatsd
server/accounts.go
expiredTimeout
func (a *Account) expiredTimeout() { // Collect the clients. a.mu.Lock() a.expired = true a.mu.Unlock() cs := make([]*client, 0, len(a.clients)) a.mu.RLock() for c := range a.clients { cs = append(cs, c) } a.mu.RUnlock() for _, c := range cs { c.accountAuthExpired() } }
go
func (a *Account) expiredTimeout() { // Collect the clients. a.mu.Lock() a.expired = true a.mu.Unlock() cs := make([]*client, 0, len(a.clients)) a.mu.RLock() for c := range a.clients { cs = append(cs, c) } a.mu.RUnlock() for _, c := range cs { c.accountAuthExpired() } }
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// Called when an account has expired.
[ "Called", "when", "an", "account", "has", "expired", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L838-L854
164,265
nats-io/gnatsd
server/accounts.go
setExpirationTimer
func (a *Account) setExpirationTimer(d time.Duration) { a.etmr = time.AfterFunc(d, a.expiredTimeout) }
go
func (a *Account) setExpirationTimer(d time.Duration) { a.etmr = time.AfterFunc(d, a.expiredTimeout) }
[ "func", "(", "a", "*", "Account", ")", "setExpirationTimer", "(", "d", "time", ".", "Duration", ")", "{", "a", ".", "etmr", "=", "time", ".", "AfterFunc", "(", "d", ",", "a", ".", "expiredTimeout", ")", "\n", "}" ]
// Sets the expiration timer for an account JWT that has it set.
[ "Sets", "the", "expiration", "timer", "for", "an", "account", "JWT", "that", "has", "it", "set", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L857-L859
164,266
nats-io/gnatsd
server/accounts.go
checkExpiration
func (a *Account) checkExpiration(claims *jwt.ClaimsData) { a.mu.Lock() defer a.mu.Unlock() a.clearExpirationTimer() if claims.Expires == 0 { a.expired = false return } tn := time.Now().Unix() if claims.Expires <= tn { a.expired = true return } expiresAt := time.Duration(claims.Expires - tn) a.setExpirationTimer(expiresAt * time.Second) a.expired = false }
go
func (a *Account) checkExpiration(claims *jwt.ClaimsData) { a.mu.Lock() defer a.mu.Unlock() a.clearExpirationTimer() if claims.Expires == 0 { a.expired = false return } tn := time.Now().Unix() if claims.Expires <= tn { a.expired = true return } expiresAt := time.Duration(claims.Expires - tn) a.setExpirationTimer(expiresAt * time.Second) a.expired = false }
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// Check expiration and set the proper state as needed.
[ "Check", "expiration", "and", "set", "the", "proper", "state", "as", "needed", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L872-L889
164,267
nats-io/gnatsd
server/accounts.go
hasIssuer
func (a *Account) hasIssuer(issuer string) bool { a.mu.RLock() defer a.mu.RUnlock() // same issuer if a.Issuer == issuer { return true } for i := 0; i < len(a.signingKeys); i++ { if a.signingKeys[i] == issuer { return true } } return false }
go
func (a *Account) hasIssuer(issuer string) bool { a.mu.RLock() defer a.mu.RUnlock() // same issuer if a.Issuer == issuer { return true } for i := 0; i < len(a.signingKeys); i++ { if a.signingKeys[i] == issuer { return true } } return false }
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// hasIssuer returns true if the issuer matches the account // issuer or it is a signing key for the account.
[ "hasIssuer", "returns", "true", "if", "the", "issuer", "matches", "the", "account", "issuer", "or", "it", "is", "a", "signing", "key", "for", "the", "account", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L893-L906
164,268
nats-io/gnatsd
server/accounts.go
SetAccountResolver
func (s *Server) SetAccountResolver(ar AccountResolver) { s.mu.Lock() s.accResolver = ar s.mu.Unlock() }
go
func (s *Server) SetAccountResolver(ar AccountResolver) { s.mu.Lock() s.accResolver = ar s.mu.Unlock() }
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// SetAccountResolver will assign the account resolver.
[ "SetAccountResolver", "will", "assign", "the", "account", "resolver", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L919-L923
164,269
nats-io/gnatsd
server/accounts.go
AccountResolver
func (s *Server) AccountResolver() AccountResolver { s.mu.Lock() defer s.mu.Unlock() return s.accResolver }
go
func (s *Server) AccountResolver() AccountResolver { s.mu.Lock() defer s.mu.Unlock() return s.accResolver }
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// AccountResolver returns the registered account resolver.
[ "AccountResolver", "returns", "the", "registered", "account", "resolver", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L926-L930
164,270
nats-io/gnatsd
server/accounts.go
UpdateAccountClaims
func (s *Server) UpdateAccountClaims(a *Account, ac *jwt.AccountClaims) { s.updateAccountClaims(a, ac) }
go
func (s *Server) UpdateAccountClaims(a *Account, ac *jwt.AccountClaims) { s.updateAccountClaims(a, ac) }
[ "func", "(", "s", "*", "Server", ")", "UpdateAccountClaims", "(", "a", "*", "Account", ",", "ac", "*", "jwt", ".", "AccountClaims", ")", "{", "s", ".", "updateAccountClaims", "(", "a", ",", "ac", ")", "\n", "}" ]
// UpdateAccountClaims will call updateAccountClaims.
[ "UpdateAccountClaims", "will", "call", "updateAccountClaims", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L933-L935
164,271
nats-io/gnatsd
server/accounts.go
buildInternalAccount
func (s *Server) buildInternalAccount(ac *jwt.AccountClaims) *Account { acc := NewAccount(ac.Subject) acc.Issuer = ac.Issuer s.updateAccountClaims(acc, ac) return acc }
go
func (s *Server) buildInternalAccount(ac *jwt.AccountClaims) *Account { acc := NewAccount(ac.Subject) acc.Issuer = ac.Issuer s.updateAccountClaims(acc, ac) return acc }
[ "func", "(", "s", "*", "Server", ")", "buildInternalAccount", "(", "ac", "*", "jwt", ".", "AccountClaims", ")", "*", "Account", "{", "acc", ":=", "NewAccount", "(", "ac", ".", "Subject", ")", "\n", "acc", ".", "Issuer", "=", "ac", ".", "Issuer", "\n", "s", ".", "updateAccountClaims", "(", "acc", ",", "ac", ")", "\n", "return", "acc", "\n", "}" ]
// Helper to build an internal account structure from a jwt.AccountClaims.
[ "Helper", "to", "build", "an", "internal", "account", "structure", "from", "a", "jwt", ".", "AccountClaims", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L1110-L1115
164,272
nats-io/gnatsd
server/accounts.go
buildInternalNkeyUser
func buildInternalNkeyUser(uc *jwt.UserClaims, acc *Account) *NkeyUser { nu := &NkeyUser{Nkey: uc.Subject, Account: acc} if uc.IssuerAccount != "" { nu.SigningKey = uc.Issuer } // Now check for permissions. var p *Permissions if len(uc.Pub.Allow) > 0 || len(uc.Pub.Deny) > 0 { if p == nil { p = &Permissions{} } p.Publish = &SubjectPermission{} p.Publish.Allow = uc.Pub.Allow p.Publish.Deny = uc.Pub.Deny } if len(uc.Sub.Allow) > 0 || len(uc.Sub.Deny) > 0 { if p == nil { p = &Permissions{} } p.Subscribe = &SubjectPermission{} p.Subscribe.Allow = uc.Sub.Allow p.Subscribe.Deny = uc.Sub.Deny } nu.Permissions = p return nu }
go
func buildInternalNkeyUser(uc *jwt.UserClaims, acc *Account) *NkeyUser { nu := &NkeyUser{Nkey: uc.Subject, Account: acc} if uc.IssuerAccount != "" { nu.SigningKey = uc.Issuer } // Now check for permissions. var p *Permissions if len(uc.Pub.Allow) > 0 || len(uc.Pub.Deny) > 0 { if p == nil { p = &Permissions{} } p.Publish = &SubjectPermission{} p.Publish.Allow = uc.Pub.Allow p.Publish.Deny = uc.Pub.Deny } if len(uc.Sub.Allow) > 0 || len(uc.Sub.Deny) > 0 { if p == nil { p = &Permissions{} } p.Subscribe = &SubjectPermission{} p.Subscribe.Allow = uc.Sub.Allow p.Subscribe.Deny = uc.Sub.Deny } nu.Permissions = p return nu }
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// Helper to build internal NKeyUser.
[ "Helper", "to", "build", "internal", "NKeyUser", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L1118-L1145
164,273
nats-io/gnatsd
server/accounts.go
Fetch
func (m *MemAccResolver) Fetch(name string) (string, error) { if j, ok := m.sm.Load(name); ok { return j.(string), nil } return _EMPTY_, ErrMissingAccount }
go
func (m *MemAccResolver) Fetch(name string) (string, error) { if j, ok := m.sm.Load(name); ok { return j.(string), nil } return _EMPTY_, ErrMissingAccount }
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// Fetch will fetch the account jwt claims from the internal sync.Map.
[ "Fetch", "will", "fetch", "the", "account", "jwt", "claims", "from", "the", "internal", "sync", ".", "Map", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L1159-L1164
164,274
nats-io/gnatsd
server/accounts.go
Store
func (m *MemAccResolver) Store(name, jwt string) error { m.sm.Store(name, jwt) return nil }
go
func (m *MemAccResolver) Store(name, jwt string) error { m.sm.Store(name, jwt) return nil }
[ "func", "(", "m", "*", "MemAccResolver", ")", "Store", "(", "name", ",", "jwt", "string", ")", "error", "{", "m", ".", "sm", ".", "Store", "(", "name", ",", "jwt", ")", "\n", "return", "nil", "\n", "}" ]
// Store will store the account jwt claims in the internal sync.Map.
[ "Store", "will", "store", "the", "account", "jwt", "claims", "in", "the", "internal", "sync", ".", "Map", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L1167-L1170
164,275
nats-io/gnatsd
server/accounts.go
NewURLAccResolver
func NewURLAccResolver(url string) (*URLAccResolver, error) { if !strings.HasSuffix(url, "/") { url += "/" } // Do basic test to see if anyone is home. // FIXME(dlc) - Make timeout configurable post MVP. ur := &URLAccResolver{ url: url, c: &http.Client{Timeout: 2 * time.Second}, } if _, err := ur.Fetch(""); err != nil { return nil, err } return ur, nil }
go
func NewURLAccResolver(url string) (*URLAccResolver, error) { if !strings.HasSuffix(url, "/") { url += "/" } // Do basic test to see if anyone is home. // FIXME(dlc) - Make timeout configurable post MVP. ur := &URLAccResolver{ url: url, c: &http.Client{Timeout: 2 * time.Second}, } if _, err := ur.Fetch(""); err != nil { return nil, err } return ur, nil }
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// NewURLAccResolver returns a new resolver for the given base URL.
[ "NewURLAccResolver", "returns", "a", "new", "resolver", "for", "the", "given", "base", "URL", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L1179-L1193
164,276
nats-io/gnatsd
server/accounts.go
Fetch
func (ur *URLAccResolver) Fetch(name string) (string, error) { url := ur.url + name resp, err := ur.c.Get(url) if err != nil { return _EMPTY_, fmt.Errorf("could not fetch <%q>: %v", url, err) } else if resp == nil { return _EMPTY_, fmt.Errorf("could not fetch <%q>: no response", url) } else if resp.StatusCode != http.StatusOK { return _EMPTY_, fmt.Errorf("could not fetch <%q>: %v", url, resp.Status) } defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) if err != nil { return _EMPTY_, err } return string(body), nil }
go
func (ur *URLAccResolver) Fetch(name string) (string, error) { url := ur.url + name resp, err := ur.c.Get(url) if err != nil { return _EMPTY_, fmt.Errorf("could not fetch <%q>: %v", url, err) } else if resp == nil { return _EMPTY_, fmt.Errorf("could not fetch <%q>: no response", url) } else if resp.StatusCode != http.StatusOK { return _EMPTY_, fmt.Errorf("could not fetch <%q>: %v", url, resp.Status) } defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) if err != nil { return _EMPTY_, err } return string(body), nil }
[ "func", "(", "ur", "*", "URLAccResolver", ")", "Fetch", "(", "name", "string", ")", "(", "string", ",", "error", ")", "{", "url", ":=", "ur", ".", "url", "+", "name", "\n", "resp", ",", "err", ":=", "ur", ".", "c", ".", "Get", "(", "url", ")", "\n", "if", "err", "!=", "nil", "{", "return", "_EMPTY_", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "url", ",", "err", ")", "\n", "}", "else", "if", "resp", "==", "nil", "{", "return", "_EMPTY_", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "url", ")", "\n", "}", "else", "if", "resp", ".", "StatusCode", "!=", "http", ".", "StatusOK", "{", "return", "_EMPTY_", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "url", ",", "resp", ".", "Status", ")", "\n", "}", "\n", "defer", "resp", ".", "Body", ".", "Close", "(", ")", "\n", "body", ",", "err", ":=", "ioutil", ".", "ReadAll", "(", "resp", ".", "Body", ")", "\n", "if", "err", "!=", "nil", "{", "return", "_EMPTY_", ",", "err", "\n", "}", "\n", "return", "string", "(", "body", ")", ",", "nil", "\n", "}" ]
// Fetch will fetch the account jwt claims from the base url, appending the // account name onto the end.
[ "Fetch", "will", "fetch", "the", "account", "jwt", "claims", "from", "the", "base", "url", "appending", "the", "account", "name", "onto", "the", "end", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/accounts.go#L1197-L1213
164,277
nats-io/gnatsd
conf/parse.go
ParseFile
func ParseFile(fp string) (map[string]interface{}, error) { data, err := ioutil.ReadFile(fp) if err != nil { return nil, fmt.Errorf("error opening config file: %v", err) } p, err := parse(string(data), fp, false) if err != nil { return nil, err } return p.mapping, nil }
go
func ParseFile(fp string) (map[string]interface{}, error) { data, err := ioutil.ReadFile(fp) if err != nil { return nil, fmt.Errorf("error opening config file: %v", err) } p, err := parse(string(data), fp, false) if err != nil { return nil, err } return p.mapping, nil }
[ "func", "ParseFile", "(", "fp", "string", ")", "(", "map", "[", "string", "]", "interface", "{", "}", ",", "error", ")", "{", "data", ",", "err", ":=", "ioutil", ".", "ReadFile", "(", "fp", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "err", ")", "\n", "}", "\n\n", "p", ",", "err", ":=", "parse", "(", "string", "(", "data", ")", ",", "fp", ",", "false", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "return", "p", ".", "mapping", ",", "nil", "\n", "}" ]
// ParseFile is a helper to open file, etc. and parse the contents.
[ "ParseFile", "is", "a", "helper", "to", "open", "file", "etc", ".", "and", "parse", "the", "contents", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/conf/parse.go#L74-L85
164,278
nats-io/gnatsd
conf/parse.go
ParseFileWithChecks
func ParseFileWithChecks(fp string) (map[string]interface{}, error) { data, err := ioutil.ReadFile(fp) if err != nil { return nil, err } p, err := parse(string(data), fp, true) if err != nil { return nil, err } return p.mapping, nil }
go
func ParseFileWithChecks(fp string) (map[string]interface{}, error) { data, err := ioutil.ReadFile(fp) if err != nil { return nil, err } p, err := parse(string(data), fp, true) if err != nil { return nil, err } return p.mapping, nil }
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// ParseFileWithChecks is equivalent to ParseFile but runs in pedantic mode.
[ "ParseFileWithChecks", "is", "equivalent", "to", "ParseFile", "but", "runs", "in", "pedantic", "mode", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/conf/parse.go#L88-L100
164,279
nats-io/gnatsd
conf/parse.go
lookupVariable
func (p *parser) lookupVariable(varReference string) (interface{}, bool, error) { // Do special check to see if it is a raw bcrypt string. if strings.HasPrefix(varReference, bcryptPrefix) { return "$" + varReference, true, nil } // Loop through contexts currently on the stack. for i := len(p.ctxs) - 1; i >= 0; i-- { ctx := p.ctxs[i] // Process if it is a map context if m, ok := ctx.(map[string]interface{}); ok { if v, ok := m[varReference]; ok { return v, ok, nil } } } // If we are here, we have exhausted our context maps and still not found anything. // Parse from the environment. if vStr, ok := os.LookupEnv(varReference); ok { // Everything we get here will be a string value, so we need to process as a parser would. if vmap, err := Parse(fmt.Sprintf("%s=%s", pkey, vStr)); err == nil { v, ok := vmap[pkey] return v, ok, nil } else { return nil, false, err } } return nil, false, nil }
go
func (p *parser) lookupVariable(varReference string) (interface{}, bool, error) { // Do special check to see if it is a raw bcrypt string. if strings.HasPrefix(varReference, bcryptPrefix) { return "$" + varReference, true, nil } // Loop through contexts currently on the stack. for i := len(p.ctxs) - 1; i >= 0; i-- { ctx := p.ctxs[i] // Process if it is a map context if m, ok := ctx.(map[string]interface{}); ok { if v, ok := m[varReference]; ok { return v, ok, nil } } } // If we are here, we have exhausted our context maps and still not found anything. // Parse from the environment. if vStr, ok := os.LookupEnv(varReference); ok { // Everything we get here will be a string value, so we need to process as a parser would. if vmap, err := Parse(fmt.Sprintf("%s=%s", pkey, vStr)); err == nil { v, ok := vmap[pkey] return v, ok, nil } else { return nil, false, err } } return nil, false, nil }
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// lookupVariable will lookup a variable reference. It will use block scoping on keys // it has seen before, with the top level scoping being the environment variables. We // ignore array contexts and only process the map contexts.. // // Returns true for ok if it finds something, similar to map.
[ "lookupVariable", "will", "lookup", "a", "variable", "reference", ".", "It", "will", "use", "block", "scoping", "on", "keys", "it", "has", "seen", "before", "with", "the", "top", "level", "scoping", "being", "the", "environment", "variables", ".", "We", "ignore", "array", "contexts", "and", "only", "process", "the", "map", "contexts", "..", "Returns", "true", "for", "ok", "if", "it", "finds", "something", "similar", "to", "map", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/conf/parse.go#L366-L395
164,280
nats-io/gnatsd
server/sublist.go
addSubToResult
func (r *SublistResult) addSubToResult(sub *subscription) *SublistResult { // Copy since others may have a reference. nr := copyResult(r) if sub.queue == nil { nr.psubs = append(nr.psubs, sub) } else { if i := findQSlot(sub.queue, nr.qsubs); i >= 0 { nr.qsubs[i] = append(nr.qsubs[i], sub) } else { nr.qsubs = append(nr.qsubs, []*subscription{sub}) } } return nr }
go
func (r *SublistResult) addSubToResult(sub *subscription) *SublistResult { // Copy since others may have a reference. nr := copyResult(r) if sub.queue == nil { nr.psubs = append(nr.psubs, sub) } else { if i := findQSlot(sub.queue, nr.qsubs); i >= 0 { nr.qsubs[i] = append(nr.qsubs[i], sub) } else { nr.qsubs = append(nr.qsubs, []*subscription{sub}) } } return nr }
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// Adds a new sub to an existing result.
[ "Adds", "a", "new", "sub", "to", "an", "existing", "result", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L223-L236
164,281
nats-io/gnatsd
server/sublist.go
addToCache
func (s *Sublist) addToCache(subject string, sub *subscription) { if s.cache == nil { return } // If literal we can direct match. if subjectIsLiteral(subject) { if v, ok := s.cache.Load(subject); ok { r := v.(*SublistResult) s.cache.Store(subject, r.addSubToResult(sub)) } return } s.cache.Range(func(k, v interface{}) bool { key := k.(string) r := v.(*SublistResult) if matchLiteral(key, subject) { s.cache.Store(key, r.addSubToResult(sub)) } return true }) }
go
func (s *Sublist) addToCache(subject string, sub *subscription) { if s.cache == nil { return } // If literal we can direct match. if subjectIsLiteral(subject) { if v, ok := s.cache.Load(subject); ok { r := v.(*SublistResult) s.cache.Store(subject, r.addSubToResult(sub)) } return } s.cache.Range(func(k, v interface{}) bool { key := k.(string) r := v.(*SublistResult) if matchLiteral(key, subject) { s.cache.Store(key, r.addSubToResult(sub)) } return true }) }
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// addToCache will add the new entry to the existing cache // entries if needed. Assumes write lock is held.
[ "addToCache", "will", "add", "the", "new", "entry", "to", "the", "existing", "cache", "entries", "if", "needed", ".", "Assumes", "write", "lock", "is", "held", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L240-L260
164,282
nats-io/gnatsd
server/sublist.go
removeFromCache
func (s *Sublist) removeFromCache(subject string, sub *subscription) { if s.cache == nil { return } // If literal we can direct match. if subjectIsLiteral(subject) { // Load for accounting if _, ok := s.cache.Load(subject); ok { s.cache.Delete(subject) atomic.AddInt32(&s.cacheNum, -1) } return } s.cache.Range(func(k, v interface{}) bool { key := k.(string) if matchLiteral(key, subject) { // Since someone else may be referecing, can't modify the list // safely, just let it re-populate. s.cache.Delete(key) atomic.AddInt32(&s.cacheNum, -1) } return true }) }
go
func (s *Sublist) removeFromCache(subject string, sub *subscription) { if s.cache == nil { return } // If literal we can direct match. if subjectIsLiteral(subject) { // Load for accounting if _, ok := s.cache.Load(subject); ok { s.cache.Delete(subject) atomic.AddInt32(&s.cacheNum, -1) } return } s.cache.Range(func(k, v interface{}) bool { key := k.(string) if matchLiteral(key, subject) { // Since someone else may be referecing, can't modify the list // safely, just let it re-populate. s.cache.Delete(key) atomic.AddInt32(&s.cacheNum, -1) } return true }) }
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// removeFromCache will remove the sub from any active cache entries. // Assumes write lock is held.
[ "removeFromCache", "will", "remove", "the", "sub", "from", "any", "active", "cache", "entries", ".", "Assumes", "write", "lock", "is", "held", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L264-L287
164,283
nats-io/gnatsd
server/sublist.go
Match
func (s *Sublist) Match(subject string) *SublistResult { atomic.AddUint64(&s.matches, 1) // Check cache first. if atomic.LoadInt32(&s.cacheNum) > 0 { if r, ok := s.cache.Load(subject); ok { atomic.AddUint64(&s.cacheHits, 1) return r.(*SublistResult) } } tsa := [32]string{} tokens := tsa[:0] start := 0 for i := 0; i < len(subject); i++ { if subject[i] == btsep { tokens = append(tokens, subject[start:i]) start = i + 1 } } tokens = append(tokens, subject[start:]) // FIXME(dlc) - Make shared pool between sublist and client readLoop? result := &SublistResult{} // Get result from the main structure and place into the shared cache. // Hold the read lock to avoid race between match and store. var n int32 s.RLock() matchLevel(s.root, tokens, result) // Check for empty result. if len(result.psubs) == 0 && len(result.qsubs) == 0 { result = emptyResult } if s.cache != nil { s.cache.Store(subject, result) n = atomic.AddInt32(&s.cacheNum, 1) } s.RUnlock() // Reduce the cache count if we have exceeded our set maximum. if n > slCacheMax && atomic.CompareAndSwapInt32(&s.ccSweep, 0, 1) { go s.reduceCacheCount() } return result }
go
func (s *Sublist) Match(subject string) *SublistResult { atomic.AddUint64(&s.matches, 1) // Check cache first. if atomic.LoadInt32(&s.cacheNum) > 0 { if r, ok := s.cache.Load(subject); ok { atomic.AddUint64(&s.cacheHits, 1) return r.(*SublistResult) } } tsa := [32]string{} tokens := tsa[:0] start := 0 for i := 0; i < len(subject); i++ { if subject[i] == btsep { tokens = append(tokens, subject[start:i]) start = i + 1 } } tokens = append(tokens, subject[start:]) // FIXME(dlc) - Make shared pool between sublist and client readLoop? result := &SublistResult{} // Get result from the main structure and place into the shared cache. // Hold the read lock to avoid race between match and store. var n int32 s.RLock() matchLevel(s.root, tokens, result) // Check for empty result. if len(result.psubs) == 0 && len(result.qsubs) == 0 { result = emptyResult } if s.cache != nil { s.cache.Store(subject, result) n = atomic.AddInt32(&s.cacheNum, 1) } s.RUnlock() // Reduce the cache count if we have exceeded our set maximum. if n > slCacheMax && atomic.CompareAndSwapInt32(&s.ccSweep, 0, 1) { go s.reduceCacheCount() } return result }
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// Match will match all entries to the literal subject. // It will return a set of results for both normal and queue subscribers.
[ "Match", "will", "match", "all", "entries", "to", "the", "literal", "subject", ".", "It", "will", "return", "a", "set", "of", "results", "for", "both", "normal", "and", "queue", "subscribers", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L294-L341
164,284
nats-io/gnatsd
server/sublist.go
isRemoteQSub
func isRemoteQSub(sub *subscription) bool { return sub != nil && sub.queue != nil && sub.client != nil && sub.client.kind == ROUTER }
go
func isRemoteQSub(sub *subscription) bool { return sub != nil && sub.queue != nil && sub.client != nil && sub.client.kind == ROUTER }
[ "func", "isRemoteQSub", "(", "sub", "*", "subscription", ")", "bool", "{", "return", "sub", "!=", "nil", "&&", "sub", ".", "queue", "!=", "nil", "&&", "sub", ".", "client", "!=", "nil", "&&", "sub", ".", "client", ".", "kind", "==", "ROUTER", "\n", "}" ]
// Helper function for auto-expanding remote qsubs.
[ "Helper", "function", "for", "auto", "-", "expanding", "remote", "qsubs", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L358-L360
164,285
nats-io/gnatsd
server/sublist.go
UpdateRemoteQSub
func (s *Sublist) UpdateRemoteQSub(sub *subscription) { // We could search to make sure we find it, but probably not worth // it unless we are thrashing the cache. Just remove from our L2 and update // the genid so L1 will be flushed. s.Lock() s.removeFromCache(string(sub.subject), sub) atomic.AddUint64(&s.genid, 1) s.Unlock() }
go
func (s *Sublist) UpdateRemoteQSub(sub *subscription) { // We could search to make sure we find it, but probably not worth // it unless we are thrashing the cache. Just remove from our L2 and update // the genid so L1 will be flushed. s.Lock() s.removeFromCache(string(sub.subject), sub) atomic.AddUint64(&s.genid, 1) s.Unlock() }
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// UpdateRemoteQSub should be called when we update the weight of an existing // remote queue sub.
[ "UpdateRemoteQSub", "should", "be", "called", "when", "we", "update", "the", "weight", "of", "an", "existing", "remote", "queue", "sub", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L364-L372
164,286
nats-io/gnatsd
server/sublist.go
addNodeToResults
func addNodeToResults(n *node, results *SublistResult) { // Normal subscriptions if n.plist != nil { results.psubs = append(results.psubs, n.plist...) } else { for _, psub := range n.psubs { results.psubs = append(results.psubs, psub) } } // Queue subscriptions for qname, qr := range n.qsubs { if len(qr) == 0 { continue } // Need to find matching list in results var i int if i = findQSlot([]byte(qname), results.qsubs); i < 0 { i = len(results.qsubs) nqsub := make([]*subscription, 0, len(qr)) results.qsubs = append(results.qsubs, nqsub) } for _, sub := range qr { if isRemoteQSub(sub) { ns := atomic.LoadInt32(&sub.qw) // Shadow these subscriptions for n := 0; n < int(ns); n++ { results.qsubs[i] = append(results.qsubs[i], sub) } } else { results.qsubs[i] = append(results.qsubs[i], sub) } } } }
go
func addNodeToResults(n *node, results *SublistResult) { // Normal subscriptions if n.plist != nil { results.psubs = append(results.psubs, n.plist...) } else { for _, psub := range n.psubs { results.psubs = append(results.psubs, psub) } } // Queue subscriptions for qname, qr := range n.qsubs { if len(qr) == 0 { continue } // Need to find matching list in results var i int if i = findQSlot([]byte(qname), results.qsubs); i < 0 { i = len(results.qsubs) nqsub := make([]*subscription, 0, len(qr)) results.qsubs = append(results.qsubs, nqsub) } for _, sub := range qr { if isRemoteQSub(sub) { ns := atomic.LoadInt32(&sub.qw) // Shadow these subscriptions for n := 0; n < int(ns); n++ { results.qsubs[i] = append(results.qsubs[i], sub) } } else { results.qsubs[i] = append(results.qsubs[i], sub) } } } }
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// This will add in a node's results to the total results.
[ "This", "will", "add", "in", "a", "node", "s", "results", "to", "the", "total", "results", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L375-L408
164,287
nats-io/gnatsd
server/sublist.go
findQSlot
func findQSlot(queue []byte, qsl [][]*subscription) int { if queue == nil { return -1 } for i, qr := range qsl { if len(qr) > 0 && bytes.Equal(queue, qr[0].queue) { return i } } return -1 }
go
func findQSlot(queue []byte, qsl [][]*subscription) int { if queue == nil { return -1 } for i, qr := range qsl { if len(qr) > 0 && bytes.Equal(queue, qr[0].queue) { return i } } return -1 }
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// We do not use a map here since we want iteration to be past when // processing publishes in L1 on client. So we need to walk sequentially // for now. Keep an eye on this in case we start getting large number of // different queue subscribers for the same subject.
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7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L414-L424
164,288
nats-io/gnatsd
server/sublist.go
remove
func (s *Sublist) remove(sub *subscription, shouldLock bool) error { subject := string(sub.subject) tsa := [32]string{} tokens := tsa[:0] start := 0 for i := 0; i < len(subject); i++ { if subject[i] == btsep { tokens = append(tokens, subject[start:i]) start = i + 1 } } tokens = append(tokens, subject[start:]) if shouldLock { s.Lock() defer s.Unlock() } sfwc := false l := s.root var n *node // Track levels for pruning var lnts [32]lnt levels := lnts[:0] for _, t := range tokens { lt := len(t) if lt == 0 || sfwc { return ErrInvalidSubject } if l == nil { return ErrNotFound } if lt > 1 { n = l.nodes[t] } else { switch t[0] { case pwc: n = l.pwc case fwc: n = l.fwc sfwc = true default: n = l.nodes[t] } } if n != nil { levels = append(levels, lnt{l, n, t}) l = n.next } else { l = nil } } if !s.removeFromNode(n, sub) { return ErrNotFound } s.count-- s.removes++ for i := len(levels) - 1; i >= 0; i-- { l, n, t := levels[i].l, levels[i].n, levels[i].t if n.isEmpty() { l.pruneNode(n, t) } } s.removeFromCache(subject, sub) atomic.AddUint64(&s.genid, 1) return nil }
go
func (s *Sublist) remove(sub *subscription, shouldLock bool) error { subject := string(sub.subject) tsa := [32]string{} tokens := tsa[:0] start := 0 for i := 0; i < len(subject); i++ { if subject[i] == btsep { tokens = append(tokens, subject[start:i]) start = i + 1 } } tokens = append(tokens, subject[start:]) if shouldLock { s.Lock() defer s.Unlock() } sfwc := false l := s.root var n *node // Track levels for pruning var lnts [32]lnt levels := lnts[:0] for _, t := range tokens { lt := len(t) if lt == 0 || sfwc { return ErrInvalidSubject } if l == nil { return ErrNotFound } if lt > 1 { n = l.nodes[t] } else { switch t[0] { case pwc: n = l.pwc case fwc: n = l.fwc sfwc = true default: n = l.nodes[t] } } if n != nil { levels = append(levels, lnt{l, n, t}) l = n.next } else { l = nil } } if !s.removeFromNode(n, sub) { return ErrNotFound } s.count-- s.removes++ for i := len(levels) - 1; i >= 0; i-- { l, n, t := levels[i].l, levels[i].n, levels[i].t if n.isEmpty() { l.pruneNode(n, t) } } s.removeFromCache(subject, sub) atomic.AddUint64(&s.genid, 1) return nil }
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// Raw low level remove, can do batches with lock held outside.
[ "Raw", "low", "level", "remove", "can", "do", "batches", "with", "lock", "held", "outside", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L462-L533
164,289
nats-io/gnatsd
server/sublist.go
Remove
func (s *Sublist) Remove(sub *subscription) error { return s.remove(sub, true) }
go
func (s *Sublist) Remove(sub *subscription) error { return s.remove(sub, true) }
[ "func", "(", "s", "*", "Sublist", ")", "Remove", "(", "sub", "*", "subscription", ")", "error", "{", "return", "s", ".", "remove", "(", "sub", ",", "true", ")", "\n", "}" ]
// Remove will remove a subscription.
[ "Remove", "will", "remove", "a", "subscription", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L536-L538
164,290
nats-io/gnatsd
server/sublist.go
RemoveBatch
func (s *Sublist) RemoveBatch(subs []*subscription) error { s.Lock() defer s.Unlock() for _, sub := range subs { if err := s.remove(sub, false); err != nil { return err } } return nil }
go
func (s *Sublist) RemoveBatch(subs []*subscription) error { s.Lock() defer s.Unlock() for _, sub := range subs { if err := s.remove(sub, false); err != nil { return err } } return nil }
[ "func", "(", "s", "*", "Sublist", ")", "RemoveBatch", "(", "subs", "[", "]", "*", "subscription", ")", "error", "{", "s", ".", "Lock", "(", ")", "\n", "defer", "s", ".", "Unlock", "(", ")", "\n\n", "for", "_", ",", "sub", ":=", "range", "subs", "{", "if", "err", ":=", "s", ".", "remove", "(", "sub", ",", "false", ")", ";", "err", "!=", "nil", "{", "return", "err", "\n", "}", "\n", "}", "\n", "return", "nil", "\n", "}" ]
// RemoveBatch will remove a list of subscriptions.
[ "RemoveBatch", "will", "remove", "a", "list", "of", "subscriptions", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L541-L551
164,291
nats-io/gnatsd
server/sublist.go
RemoveAllForClient
func (s *Sublist) RemoveAllForClient(c *client) { s.Lock() removes := s.removes s.removeClientSubs(s.root, c) if s.removes != removes { atomic.AddUint64(&s.genid, 1) } s.Unlock() }
go
func (s *Sublist) RemoveAllForClient(c *client) { s.Lock() removes := s.removes s.removeClientSubs(s.root, c) if s.removes != removes { atomic.AddUint64(&s.genid, 1) } s.Unlock() }
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// RemoveAllForClient will remove all subscriptions for a given client.
[ "RemoveAllForClient", "will", "remove", "all", "subscriptions", "for", "a", "given", "client", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L594-L602
164,292
nats-io/gnatsd
server/sublist.go
pruneNode
func (l *level) pruneNode(n *node, t string) { if n == nil { return } if n == l.fwc { l.fwc = nil } else if n == l.pwc { l.pwc = nil } else { delete(l.nodes, t) } }
go
func (l *level) pruneNode(n *node, t string) { if n == nil { return } if n == l.fwc { l.fwc = nil } else if n == l.pwc { l.pwc = nil } else { delete(l.nodes, t) } }
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// pruneNode is used to prune an empty node from the tree.
[ "pruneNode", "is", "used", "to", "prune", "an", "empty", "node", "from", "the", "tree", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L605-L616
164,293
nats-io/gnatsd
server/sublist.go
numNodes
func (l *level) numNodes() int { num := len(l.nodes) if l.pwc != nil { num++ } if l.fwc != nil { num++ } return num }
go
func (l *level) numNodes() int { num := len(l.nodes) if l.pwc != nil { num++ } if l.fwc != nil { num++ } return num }
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// Return the number of nodes for the given level.
[ "Return", "the", "number", "of", "nodes", "for", "the", "given", "level", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L630-L639
164,294
nats-io/gnatsd
server/sublist.go
Count
func (s *Sublist) Count() uint32 { s.RLock() defer s.RUnlock() return s.count }
go
func (s *Sublist) Count() uint32 { s.RLock() defer s.RUnlock() return s.count }
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// Count returns the number of subscriptions.
[ "Count", "returns", "the", "number", "of", "subscriptions", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L669-L673
164,295
nats-io/gnatsd
server/sublist.go
Stats
func (s *Sublist) Stats() *SublistStats { s.Lock() defer s.Unlock() st := &SublistStats{} st.NumSubs = s.count st.NumCache = uint32(atomic.LoadInt32(&s.cacheNum)) st.NumInserts = s.inserts st.NumRemoves = s.removes st.NumMatches = atomic.LoadUint64(&s.matches) if st.NumMatches > 0 { st.CacheHitRate = float64(atomic.LoadUint64(&s.cacheHits)) / float64(st.NumMatches) } // whip through cache for fanout stats, this can be off if cache is full and doing evictions. tot, max := 0, 0 clen := 0 s.cache.Range(func(k, v interface{}) bool { clen++ r := v.(*SublistResult) l := len(r.psubs) + len(r.qsubs) tot += l if l > max { max = l } return true }) st.MaxFanout = uint32(max) if tot > 0 { st.AvgFanout = float64(tot) / float64(clen) } return st }
go
func (s *Sublist) Stats() *SublistStats { s.Lock() defer s.Unlock() st := &SublistStats{} st.NumSubs = s.count st.NumCache = uint32(atomic.LoadInt32(&s.cacheNum)) st.NumInserts = s.inserts st.NumRemoves = s.removes st.NumMatches = atomic.LoadUint64(&s.matches) if st.NumMatches > 0 { st.CacheHitRate = float64(atomic.LoadUint64(&s.cacheHits)) / float64(st.NumMatches) } // whip through cache for fanout stats, this can be off if cache is full and doing evictions. tot, max := 0, 0 clen := 0 s.cache.Range(func(k, v interface{}) bool { clen++ r := v.(*SublistResult) l := len(r.psubs) + len(r.qsubs) tot += l if l > max { max = l } return true }) st.MaxFanout = uint32(max) if tot > 0 { st.AvgFanout = float64(tot) / float64(clen) } return st }
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// Stats will return a stats structure for the current state.
[ "Stats", "will", "return", "a", "stats", "structure", "for", "the", "current", "state", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L693-L725
164,296
nats-io/gnatsd
server/sublist.go
visitLevel
func visitLevel(l *level, depth int) int { if l == nil || l.numNodes() == 0 { return depth } depth++ maxDepth := depth for _, n := range l.nodes { if n == nil { continue } newDepth := visitLevel(n.next, depth) if newDepth > maxDepth { maxDepth = newDepth } } if l.pwc != nil { pwcDepth := visitLevel(l.pwc.next, depth) if pwcDepth > maxDepth { maxDepth = pwcDepth } } if l.fwc != nil { fwcDepth := visitLevel(l.fwc.next, depth) if fwcDepth > maxDepth { maxDepth = fwcDepth } } return maxDepth }
go
func visitLevel(l *level, depth int) int { if l == nil || l.numNodes() == 0 { return depth } depth++ maxDepth := depth for _, n := range l.nodes { if n == nil { continue } newDepth := visitLevel(n.next, depth) if newDepth > maxDepth { maxDepth = newDepth } } if l.pwc != nil { pwcDepth := visitLevel(l.pwc.next, depth) if pwcDepth > maxDepth { maxDepth = pwcDepth } } if l.fwc != nil { fwcDepth := visitLevel(l.fwc.next, depth) if fwcDepth > maxDepth { maxDepth = fwcDepth } } return maxDepth }
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// visitLevel is used to descend the Sublist tree structure // recursively.
[ "visitLevel", "is", "used", "to", "descend", "the", "Sublist", "tree", "structure", "recursively", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L735-L765
164,297
nats-io/gnatsd
server/sublist.go
subjectIsLiteral
func subjectIsLiteral(subject string) bool { for i, c := range subject { if c == pwc || c == fwc { if (i == 0 || subject[i-1] == btsep) && (i+1 == len(subject) || subject[i+1] == btsep) { return false } } } return true }
go
func subjectIsLiteral(subject string) bool { for i, c := range subject { if c == pwc || c == fwc { if (i == 0 || subject[i-1] == btsep) && (i+1 == len(subject) || subject[i+1] == btsep) { return false } } } return true }
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// Determine if the subject has any wildcards. Fast version, does not check for // valid subject. Used in caching layer.
[ "Determine", "if", "the", "subject", "has", "any", "wildcards", ".", "Fast", "version", "does", "not", "check", "for", "valid", "subject", ".", "Used", "in", "caching", "layer", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L774-L784
164,298
nats-io/gnatsd
server/sublist.go
IsValidSubject
func IsValidSubject(subject string) bool { if subject == "" { return false } sfwc := false tokens := strings.Split(subject, tsep) for _, t := range tokens { if len(t) == 0 || sfwc { return false } if len(t) > 1 { continue } switch t[0] { case fwc: sfwc = true } } return true }
go
func IsValidSubject(subject string) bool { if subject == "" { return false } sfwc := false tokens := strings.Split(subject, tsep) for _, t := range tokens { if len(t) == 0 || sfwc { return false } if len(t) > 1 { continue } switch t[0] { case fwc: sfwc = true } } return true }
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// IsValidSubject returns true if a subject is valid, false otherwise
[ "IsValidSubject", "returns", "true", "if", "a", "subject", "is", "valid", "false", "otherwise" ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L787-L806
164,299
nats-io/gnatsd
server/sublist.go
localSubs
func (s *Sublist) localSubs(subs *[]*subscription) { s.RLock() s.collectLocalSubs(s.root, subs) s.RUnlock() }
go
func (s *Sublist) localSubs(subs *[]*subscription) { s.RLock() s.collectLocalSubs(s.root, subs) s.RUnlock() }
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// Return all local client subscriptions. Use the supplied slice.
[ "Return", "all", "local", "client", "subscriptions", ".", "Use", "the", "supplied", "slice", "." ]
7ebe2836016a033f11d9da712ed6a1abb95c06dd
https://github.com/nats-io/gnatsd/blob/7ebe2836016a033f11d9da712ed6a1abb95c06dd/server/sublist.go#L998-L1002