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prometheus/node_exporter
collector/cpu_freebsd.go
NewStatCollector
func NewStatCollector() (Collector, error) { return &statCollector{ cpu: typedDesc{nodeCPUSecondsDesc, prometheus.CounterValue}, temp: typedDesc{prometheus.NewDesc( prometheus.BuildFQName(namespace, cpuCollectorSubsystem, "temperature_celsius"), "CPU temperature", []string{"cpu"}, nil, ), prometheus.GaugeValue}, }, nil }
go
func NewStatCollector() (Collector, error) { return &statCollector{ cpu: typedDesc{nodeCPUSecondsDesc, prometheus.CounterValue}, temp: typedDesc{prometheus.NewDesc( prometheus.BuildFQName(namespace, cpuCollectorSubsystem, "temperature_celsius"), "CPU temperature", []string{"cpu"}, nil, ), prometheus.GaugeValue}, }, nil }
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// NewStatCollector returns a new Collector exposing CPU stats.
[ "NewStatCollector", "returns", "a", "new", "Collector", "exposing", "CPU", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/cpu_freebsd.go#L93-L102
train
prometheus/node_exporter
collector/bonding_linux.go
NewBondingCollector
func NewBondingCollector() (Collector, error) { return &bondingCollector{ slaves: typedDesc{prometheus.NewDesc( prometheus.BuildFQName(namespace, "bonding", "slaves"), "Number of configured slaves per bonding interface.", []string{"master"}, nil, ), prometheus.GaugeValue}, active: typedDesc{prometheus.NewDesc( prometheus.BuildFQName(namespace, "bonding", "active"), "Number of active slaves per bonding interface.", []string{"master"}, nil, ), prometheus.GaugeValue}, }, nil }
go
func NewBondingCollector() (Collector, error) { return &bondingCollector{ slaves: typedDesc{prometheus.NewDesc( prometheus.BuildFQName(namespace, "bonding", "slaves"), "Number of configured slaves per bonding interface.", []string{"master"}, nil, ), prometheus.GaugeValue}, active: typedDesc{prometheus.NewDesc( prometheus.BuildFQName(namespace, "bonding", "active"), "Number of active slaves per bonding interface.", []string{"master"}, nil, ), prometheus.GaugeValue}, }, nil }
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// NewBondingCollector returns a newly allocated bondingCollector. // It exposes the number of configured and active slave of linux bonding interfaces.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/bonding_linux.go#L39-L52
train
prometheus/node_exporter
collector/entropy_linux.go
NewEntropyCollector
func NewEntropyCollector() (Collector, error) { return &entropyCollector{ entropyAvail: prometheus.NewDesc( prometheus.BuildFQName(namespace, "", "entropy_available_bits"), "Bits of available entropy.", nil, nil, ), }, nil }
go
func NewEntropyCollector() (Collector, error) { return &entropyCollector{ entropyAvail: prometheus.NewDesc( prometheus.BuildFQName(namespace, "", "entropy_available_bits"), "Bits of available entropy.", nil, nil, ), }, nil }
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// NewEntropyCollector returns a new Collector exposing entropy stats.
[ "NewEntropyCollector", "returns", "a", "new", "Collector", "exposing", "entropy", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/entropy_linux.go#L33-L41
train
prometheus/node_exporter
collector/systemd_linux.go
NewSystemdCollector
func NewSystemdCollector() (Collector, error) { const subsystem = "systemd" unitDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "unit_state"), "Systemd unit", []string{"name", "state", "type"}, nil, ) unitStartTimeDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "unit_start_time_seconds"), "Start time of the unit since unix epoch in seconds.", []string{"name"}, nil, ) unitTasksCurrentDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "unit_tasks_current"), "Current number of tasks per Systemd unit", []string{"name"}, nil, ) unitTasksMaxDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "unit_tasks_max"), "Maximum number of tasks per Systemd unit", []string{"name"}, nil, ) systemRunningDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "system_running"), "Whether the system is operational (see 'systemctl is-system-running')", nil, nil, ) summaryDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "units"), "Summary of systemd unit states", []string{"state"}, nil) nRestartsDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "service_restart_total"), "Service unit count of Restart triggers", []string{"state"}, nil) timerLastTriggerDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "timer_last_trigger_seconds"), "Seconds since epoch of last trigger.", []string{"name"}, nil) socketAcceptedConnectionsDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "socket_accepted_connections_total"), "Total number of accepted socket connections", []string{"name"}, nil) socketCurrentConnectionsDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "socket_current_connections"), "Current number of socket connections", []string{"name"}, nil) socketRefusedConnectionsDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "socket_refused_connections_total"), "Total number of refused socket connections", []string{"name"}, nil) unitWhitelistPattern := regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *unitWhitelist)) unitBlacklistPattern := regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *unitBlacklist)) return &systemdCollector{ unitDesc: unitDesc, unitStartTimeDesc: unitStartTimeDesc, unitTasksCurrentDesc: unitTasksCurrentDesc, unitTasksMaxDesc: unitTasksMaxDesc, systemRunningDesc: systemRunningDesc, summaryDesc: summaryDesc, nRestartsDesc: nRestartsDesc, timerLastTriggerDesc: timerLastTriggerDesc, socketAcceptedConnectionsDesc: socketAcceptedConnectionsDesc, socketCurrentConnectionsDesc: socketCurrentConnectionsDesc, socketRefusedConnectionsDesc: socketRefusedConnectionsDesc, unitWhitelistPattern: unitWhitelistPattern, unitBlacklistPattern: unitBlacklistPattern, }, nil }
go
func NewSystemdCollector() (Collector, error) { const subsystem = "systemd" unitDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "unit_state"), "Systemd unit", []string{"name", "state", "type"}, nil, ) unitStartTimeDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "unit_start_time_seconds"), "Start time of the unit since unix epoch in seconds.", []string{"name"}, nil, ) unitTasksCurrentDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "unit_tasks_current"), "Current number of tasks per Systemd unit", []string{"name"}, nil, ) unitTasksMaxDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "unit_tasks_max"), "Maximum number of tasks per Systemd unit", []string{"name"}, nil, ) systemRunningDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "system_running"), "Whether the system is operational (see 'systemctl is-system-running')", nil, nil, ) summaryDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "units"), "Summary of systemd unit states", []string{"state"}, nil) nRestartsDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "service_restart_total"), "Service unit count of Restart triggers", []string{"state"}, nil) timerLastTriggerDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "timer_last_trigger_seconds"), "Seconds since epoch of last trigger.", []string{"name"}, nil) socketAcceptedConnectionsDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "socket_accepted_connections_total"), "Total number of accepted socket connections", []string{"name"}, nil) socketCurrentConnectionsDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "socket_current_connections"), "Current number of socket connections", []string{"name"}, nil) socketRefusedConnectionsDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "socket_refused_connections_total"), "Total number of refused socket connections", []string{"name"}, nil) unitWhitelistPattern := regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *unitWhitelist)) unitBlacklistPattern := regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *unitBlacklist)) return &systemdCollector{ unitDesc: unitDesc, unitStartTimeDesc: unitStartTimeDesc, unitTasksCurrentDesc: unitTasksCurrentDesc, unitTasksMaxDesc: unitTasksMaxDesc, systemRunningDesc: systemRunningDesc, summaryDesc: summaryDesc, nRestartsDesc: nRestartsDesc, timerLastTriggerDesc: timerLastTriggerDesc, socketAcceptedConnectionsDesc: socketAcceptedConnectionsDesc, socketCurrentConnectionsDesc: socketCurrentConnectionsDesc, socketRefusedConnectionsDesc: socketRefusedConnectionsDesc, unitWhitelistPattern: unitWhitelistPattern, unitBlacklistPattern: unitBlacklistPattern, }, nil }
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// NewSystemdCollector returns a new Collector exposing systemd statistics.
[ "NewSystemdCollector", "returns", "a", "new", "Collector", "exposing", "systemd", "statistics", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/systemd_linux.go#L64-L124
train
prometheus/node_exporter
collector/exec_bsd.go
NewExecCollector
func NewExecCollector() (Collector, error) { // From sys/vm/vm_meter.c: // All are of type CTLTYPE_UINT. // // vm.stats.sys.v_swtch: Context switches // vm.stats.sys.v_trap: Traps // vm.stats.sys.v_syscall: System calls // vm.stats.sys.v_intr: Device interrupts // vm.stats.sys.v_soft: Software interrupts // vm.stats.vm.v_forks: Number of fork() calls return &execCollector{ sysctls: []bsdSysctl{ { name: "exec_context_switches_total", description: "Context switches since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_swtch", }, { name: "exec_traps_total", description: "Traps since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_trap", }, { name: "exec_system_calls_total", description: "System calls since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_syscall", }, { name: "exec_device_interrupts_total", description: "Device interrupts since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_intr", }, { name: "exec_software_interrupts_total", description: "Software interrupts since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_soft", }, { name: "exec_forks_total", description: "Number of fork() calls since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.vm.v_forks", }, }, }, nil }
go
func NewExecCollector() (Collector, error) { // From sys/vm/vm_meter.c: // All are of type CTLTYPE_UINT. // // vm.stats.sys.v_swtch: Context switches // vm.stats.sys.v_trap: Traps // vm.stats.sys.v_syscall: System calls // vm.stats.sys.v_intr: Device interrupts // vm.stats.sys.v_soft: Software interrupts // vm.stats.vm.v_forks: Number of fork() calls return &execCollector{ sysctls: []bsdSysctl{ { name: "exec_context_switches_total", description: "Context switches since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_swtch", }, { name: "exec_traps_total", description: "Traps since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_trap", }, { name: "exec_system_calls_total", description: "System calls since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_syscall", }, { name: "exec_device_interrupts_total", description: "Device interrupts since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_intr", }, { name: "exec_software_interrupts_total", description: "Software interrupts since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.sys.v_soft", }, { name: "exec_forks_total", description: "Number of fork() calls since system boot. Resets at architecture unsigned integer.", mib: "vm.stats.vm.v_forks", }, }, }, nil }
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// NewExecCollector returns a new Collector exposing system execution statistics.
[ "NewExecCollector", "returns", "a", "new", "Collector", "exposing", "system", "execution", "statistics", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/exec_bsd.go#L32-L77
train
prometheus/node_exporter
collector/exec_bsd.go
Update
func (c *execCollector) Update(ch chan<- prometheus.Metric) error { for _, m := range c.sysctls { v, err := m.Value() if err != nil { return err } ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( namespace+"_"+m.name, m.description, nil, nil, ), prometheus.CounterValue, v) } return nil }
go
func (c *execCollector) Update(ch chan<- prometheus.Metric) error { for _, m := range c.sysctls { v, err := m.Value() if err != nil { return err } ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( namespace+"_"+m.name, m.description, nil, nil, ), prometheus.CounterValue, v) } return nil }
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// Update pushes exec statistics onto ch
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/exec_bsd.go#L80-L96
train
prometheus/node_exporter
collector/textfile.go
Update
func (c *textFileCollector) Update(ch chan<- prometheus.Metric) error { error := 0.0 mtimes := map[string]time.Time{} // Iterate over files and accumulate their metrics. files, err := ioutil.ReadDir(c.path) if err != nil && c.path != "" { log.Errorf("Error reading textfile collector directory %q: %s", c.path, err) error = 1.0 } for _, f := range files { if !strings.HasSuffix(f.Name(), ".prom") { continue } path := filepath.Join(c.path, f.Name()) file, err := os.Open(path) if err != nil { log.Errorf("Error opening %q: %v", path, err) error = 1.0 continue } defer file.Close() var parser expfmt.TextParser parsedFamilies, err := parser.TextToMetricFamilies(file) if err != nil { log.Errorf("Error parsing %q: %v", path, err) error = 1.0 continue } if hasTimestamps(parsedFamilies) { log.Errorf("Textfile %q contains unsupported client-side timestamps, skipping entire file", path) error = 1.0 continue } for _, mf := range parsedFamilies { if mf.Help == nil { help := fmt.Sprintf("Metric read from %s", path) mf.Help = &help } } // Only set this once it has been parsed and validated, so that // a failure does not appear fresh. stat, err := file.Stat() if err != nil { log.Errorf("Error stat'ing %q: %v", path, err) error = 1.0 continue } mtimes[f.Name()] = stat.ModTime() for _, mf := range parsedFamilies { convertMetricFamily(mf, ch) } } c.exportMTimes(mtimes, ch) // Export if there were errors. ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( "node_textfile_scrape_error", "1 if there was an error opening or reading a file, 0 otherwise", nil, nil, ), prometheus.GaugeValue, error, ) return nil }
go
func (c *textFileCollector) Update(ch chan<- prometheus.Metric) error { error := 0.0 mtimes := map[string]time.Time{} // Iterate over files and accumulate their metrics. files, err := ioutil.ReadDir(c.path) if err != nil && c.path != "" { log.Errorf("Error reading textfile collector directory %q: %s", c.path, err) error = 1.0 } for _, f := range files { if !strings.HasSuffix(f.Name(), ".prom") { continue } path := filepath.Join(c.path, f.Name()) file, err := os.Open(path) if err != nil { log.Errorf("Error opening %q: %v", path, err) error = 1.0 continue } defer file.Close() var parser expfmt.TextParser parsedFamilies, err := parser.TextToMetricFamilies(file) if err != nil { log.Errorf("Error parsing %q: %v", path, err) error = 1.0 continue } if hasTimestamps(parsedFamilies) { log.Errorf("Textfile %q contains unsupported client-side timestamps, skipping entire file", path) error = 1.0 continue } for _, mf := range parsedFamilies { if mf.Help == nil { help := fmt.Sprintf("Metric read from %s", path) mf.Help = &help } } // Only set this once it has been parsed and validated, so that // a failure does not appear fresh. stat, err := file.Stat() if err != nil { log.Errorf("Error stat'ing %q: %v", path, err) error = 1.0 continue } mtimes[f.Name()] = stat.ModTime() for _, mf := range parsedFamilies { convertMetricFamily(mf, ch) } } c.exportMTimes(mtimes, ch) // Export if there were errors. ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( "node_textfile_scrape_error", "1 if there was an error opening or reading a file, 0 otherwise", nil, nil, ), prometheus.GaugeValue, error, ) return nil }
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// Update implements the Collector interface.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/textfile.go#L185-L255
train
prometheus/node_exporter
collector/textfile.go
hasTimestamps
func hasTimestamps(parsedFamilies map[string]*dto.MetricFamily) bool { for _, mf := range parsedFamilies { for _, m := range mf.Metric { if m.TimestampMs != nil { return true } } } return false }
go
func hasTimestamps(parsedFamilies map[string]*dto.MetricFamily) bool { for _, mf := range parsedFamilies { for _, m := range mf.Metric { if m.TimestampMs != nil { return true } } } return false }
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// hasTimestamps returns true when metrics contain unsupported timestamps.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/textfile.go#L258-L267
train
prometheus/node_exporter
collector/vmstat_linux.go
NewvmStatCollector
func NewvmStatCollector() (Collector, error) { pattern := regexp.MustCompile(*vmStatFields) return &vmStatCollector{ fieldPattern: pattern, }, nil }
go
func NewvmStatCollector() (Collector, error) { pattern := regexp.MustCompile(*vmStatFields) return &vmStatCollector{ fieldPattern: pattern, }, nil }
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// NewvmStatCollector returns a new Collector exposing vmstat stats.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/vmstat_linux.go#L47-L52
train
prometheus/node_exporter
collector/wifi_linux.go
NewWifiCollector
func NewWifiCollector() (Collector, error) { const ( subsystem = "wifi" ) var ( labels = []string{"device", "mac_address"} ) return &wifiCollector{ interfaceFrequencyHertz: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "interface_frequency_hertz"), "The current frequency a WiFi interface is operating at, in hertz.", []string{"device"}, nil, ), stationInfo: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_info"), "Labeled WiFi interface station information as provided by the operating system.", []string{"device", "bssid", "ssid", "mode"}, nil, ), stationConnectedSecondsTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_connected_seconds_total"), "The total number of seconds a station has been connected to an access point.", labels, nil, ), stationInactiveSeconds: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_inactive_seconds"), "The number of seconds since any wireless activity has occurred on a station.", labels, nil, ), stationReceiveBitsPerSecond: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_receive_bits_per_second"), "The current WiFi receive bitrate of a station, in bits per second.", labels, nil, ), stationTransmitBitsPerSecond: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_transmit_bits_per_second"), "The current WiFi transmit bitrate of a station, in bits per second.", labels, nil, ), stationReceiveBytesTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_receive_bytes_total"), "The total number of bytes received by a WiFi station.", labels, nil, ), stationTransmitBytesTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_transmit_bytes_total"), "The total number of bytes transmitted by a WiFi station.", labels, nil, ), stationSignalDBM: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_signal_dbm"), "The current WiFi signal strength, in decibel-milliwatts (dBm).", labels, nil, ), stationTransmitRetriesTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_transmit_retries_total"), "The total number of times a station has had to retry while sending a packet.", labels, nil, ), stationTransmitFailedTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_transmit_failed_total"), "The total number of times a station has failed to send a packet.", labels, nil, ), stationBeaconLossTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_beacon_loss_total"), "The total number of times a station has detected a beacon loss.", labels, nil, ), }, nil }
go
func NewWifiCollector() (Collector, error) { const ( subsystem = "wifi" ) var ( labels = []string{"device", "mac_address"} ) return &wifiCollector{ interfaceFrequencyHertz: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "interface_frequency_hertz"), "The current frequency a WiFi interface is operating at, in hertz.", []string{"device"}, nil, ), stationInfo: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_info"), "Labeled WiFi interface station information as provided by the operating system.", []string{"device", "bssid", "ssid", "mode"}, nil, ), stationConnectedSecondsTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_connected_seconds_total"), "The total number of seconds a station has been connected to an access point.", labels, nil, ), stationInactiveSeconds: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_inactive_seconds"), "The number of seconds since any wireless activity has occurred on a station.", labels, nil, ), stationReceiveBitsPerSecond: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_receive_bits_per_second"), "The current WiFi receive bitrate of a station, in bits per second.", labels, nil, ), stationTransmitBitsPerSecond: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_transmit_bits_per_second"), "The current WiFi transmit bitrate of a station, in bits per second.", labels, nil, ), stationReceiveBytesTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_receive_bytes_total"), "The total number of bytes received by a WiFi station.", labels, nil, ), stationTransmitBytesTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_transmit_bytes_total"), "The total number of bytes transmitted by a WiFi station.", labels, nil, ), stationSignalDBM: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_signal_dbm"), "The current WiFi signal strength, in decibel-milliwatts (dBm).", labels, nil, ), stationTransmitRetriesTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_transmit_retries_total"), "The total number of times a station has had to retry while sending a packet.", labels, nil, ), stationTransmitFailedTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_transmit_failed_total"), "The total number of times a station has failed to send a packet.", labels, nil, ), stationBeaconLossTotal: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "station_beacon_loss_total"), "The total number of times a station has detected a beacon loss.", labels, nil, ), }, nil }
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// NewWifiCollector returns a new Collector exposing Wifi statistics.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/wifi_linux.go#L64-L158
train
prometheus/node_exporter
collector/wifi_linux.go
newWifiStater
func newWifiStater(fixtures string) (wifiStater, error) { if fixtures != "" { return &mockWifiStater{ fixtures: fixtures, }, nil } return wifi.New() }
go
func newWifiStater(fixtures string) (wifiStater, error) { if fixtures != "" { return &mockWifiStater{ fixtures: fixtures, }, nil } return wifi.New() }
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// All code below this point is used to assist with end-to-end tests for // the wifi collector, since wifi devices are not available in CI. // newWifiStater determines if mocked test fixtures from files should be used for // collecting wifi metrics, or if package wifi should be used.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/wifi_linux.go#L344-L352
train
prometheus/node_exporter
collector/mdadm_linux.go
evalBuildline
func evalBuildline(buildline string) (int64, error) { matches := buildlineRE.FindStringSubmatch(buildline) // +1 to make it more obvious that the whole string containing the info is also returned as matches[0]. if len(matches) < 1+1 { return 0, fmt.Errorf("too few matches found in buildline: %s", buildline) } if len(matches) > 1+1 { return 0, fmt.Errorf("too many matches found in buildline: %s", buildline) } syncedSize, err := strconv.ParseInt(matches[1], 10, 64) if err != nil { return 0, fmt.Errorf("%s in buildline: %s", err, buildline) } return syncedSize, nil }
go
func evalBuildline(buildline string) (int64, error) { matches := buildlineRE.FindStringSubmatch(buildline) // +1 to make it more obvious that the whole string containing the info is also returned as matches[0]. if len(matches) < 1+1 { return 0, fmt.Errorf("too few matches found in buildline: %s", buildline) } if len(matches) > 1+1 { return 0, fmt.Errorf("too many matches found in buildline: %s", buildline) } syncedSize, err := strconv.ParseInt(matches[1], 10, 64) if err != nil { return 0, fmt.Errorf("%s in buildline: %s", err, buildline) } return syncedSize, nil }
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// evalBuildline gets the size that has already been synced out of the sync-line.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/mdadm_linux.go#L111-L130
train
prometheus/node_exporter
collector/infiniband_linux.go
infinibandDevices
func infinibandDevices(infinibandPath string) ([]string, error) { devices, err := filepath.Glob(filepath.Join(infinibandPath, "/*")) if err != nil { return nil, err } if len(devices) < 1 { log.Debugf("Unable to detect InfiniBand devices") err = errInfinibandNoDevicesFound return nil, err } // Extract just the filenames which equate to the device names. for i, device := range devices { devices[i] = filepath.Base(device) } return devices, nil }
go
func infinibandDevices(infinibandPath string) ([]string, error) { devices, err := filepath.Glob(filepath.Join(infinibandPath, "/*")) if err != nil { return nil, err } if len(devices) < 1 { log.Debugf("Unable to detect InfiniBand devices") err = errInfinibandNoDevicesFound return nil, err } // Extract just the filenames which equate to the device names. for i, device := range devices { devices[i] = filepath.Base(device) } return devices, nil }
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// infinibandDevices retrieves a list of InfiniBand devices.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/infiniband_linux.go#L112-L130
train
prometheus/node_exporter
collector/infiniband_linux.go
infinibandPorts
func infinibandPorts(infinibandPath, device string) ([]string, error) { ports, err := filepath.Glob(filepath.Join(infinibandPath, device, "ports/*")) if err != nil { return nil, err } if len(ports) < 1 { log.Debugf("Unable to detect ports for %s", device) err = errInfinibandNoPortsFound return nil, err } // Extract just the filenames which equates to the port numbers. for i, port := range ports { ports[i] = filepath.Base(port) } return ports, nil }
go
func infinibandPorts(infinibandPath, device string) ([]string, error) { ports, err := filepath.Glob(filepath.Join(infinibandPath, device, "ports/*")) if err != nil { return nil, err } if len(ports) < 1 { log.Debugf("Unable to detect ports for %s", device) err = errInfinibandNoPortsFound return nil, err } // Extract just the filenames which equates to the port numbers. for i, port := range ports { ports[i] = filepath.Base(port) } return ports, nil }
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// Retrieve a list of ports for the InfiniBand device.
[ "Retrieve", "a", "list", "of", "ports", "for", "the", "InfiniBand", "device", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/infiniband_linux.go#L133-L151
train
prometheus/node_exporter
collector/boot_time_solaris.go
Update
func (c *bootTimeCollector) Update(ch chan<- prometheus.Metric) error { tok, err := kstat.Open() if err != nil { return err } defer tok.Close() ks, err := tok.Lookup("unix", 0, "system_misc") if err != nil { return err } v, err := ks.GetNamed("boot_time") if err != nil { return err } ch <- c.boottime.mustNewConstMetric(float64(v.UintVal)) return nil }
go
func (c *bootTimeCollector) Update(ch chan<- prometheus.Metric) error { tok, err := kstat.Open() if err != nil { return err } defer tok.Close() ks, err := tok.Lookup("unix", 0, "system_misc") if err != nil { return err } v, err := ks.GetNamed("boot_time") if err != nil { return err } ch <- c.boottime.mustNewConstMetric(float64(v.UintVal)) return nil }
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// newBootTimeCollector returns a new Collector exposing system boot time on Solaris systems. // Update pushes boot time onto ch
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/boot_time_solaris.go#L45-L66
train
prometheus/node_exporter
collector/hwmon_linux.go
sysReadFile
func sysReadFile(file string) ([]byte, error) { f, err := os.Open(file) if err != nil { return nil, err } defer f.Close() // On some machines, hwmon drivers are broken and return EAGAIN. This causes // Go's ioutil.ReadFile implementation to poll forever. // // Since we either want to read data or bail immediately, do the simplest // possible read using syscall directly. b := make([]byte, 128) n, err := syscall.Read(int(f.Fd()), b) if err != nil { return nil, err } return b[:n], nil }
go
func sysReadFile(file string) ([]byte, error) { f, err := os.Open(file) if err != nil { return nil, err } defer f.Close() // On some machines, hwmon drivers are broken and return EAGAIN. This causes // Go's ioutil.ReadFile implementation to poll forever. // // Since we either want to read data or bail immediately, do the simplest // possible read using syscall directly. b := make([]byte, 128) n, err := syscall.Read(int(f.Fd()), b) if err != nil { return nil, err } return b[:n], nil }
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// sysReadFile is a simplified ioutil.ReadFile that invokes syscall.Read directly.
[ "sysReadFile", "is", "a", "simplified", "ioutil", ".", "ReadFile", "that", "invokes", "syscall", ".", "Read", "directly", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/hwmon_linux.go#L78-L97
train
prometheus/node_exporter
collector/xfs_linux.go
NewXFSCollector
func NewXFSCollector() (Collector, error) { fs, err := sysfs.NewFS(*sysPath) if err != nil { return nil, fmt.Errorf("failed to open sysfs: %v", err) } return &xfsCollector{ fs: fs, }, nil }
go
func NewXFSCollector() (Collector, error) { fs, err := sysfs.NewFS(*sysPath) if err != nil { return nil, fmt.Errorf("failed to open sysfs: %v", err) } return &xfsCollector{ fs: fs, }, nil }
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// NewXFSCollector returns a new Collector exposing XFS statistics.
[ "NewXFSCollector", "returns", "a", "new", "Collector", "exposing", "XFS", "statistics", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/xfs_linux.go#L34-L43
train
prometheus/node_exporter
collector/memory_bsd.go
NewMemoryCollector
func NewMemoryCollector() (Collector, error) { tmp32, err := unix.SysctlUint32("vm.stats.vm.v_page_size") if err != nil { return nil, fmt.Errorf("sysctl(vm.stats.vm.v_page_size) failed: %s", err) } size := float64(tmp32) mibSwapTotal := "vm.swap_total" /* swap_total is FreeBSD specific. Fall back to Dfly specific mib if not present. */ _, err = unix.SysctlUint32(mibSwapTotal) if err != nil { mibSwapTotal = "vm.swap_size" } fromPage := func(v float64) float64 { return v * size } return &memoryCollector{ pageSize: uint64(tmp32), sysctls: []bsdSysctl{ // Descriptions via: https://wiki.freebsd.org/Memory { name: "active_bytes", description: "Recently used by userland", mib: "vm.stats.vm.v_active_count", conversion: fromPage, }, { name: "inactive_bytes", description: "Not recently used by userland", mib: "vm.stats.vm.v_inactive_count", conversion: fromPage, }, { name: "wired_bytes", description: "Locked in memory by kernel, mlock, etc", mib: "vm.stats.vm.v_wire_count", conversion: fromPage, }, { name: "cache_bytes", description: "Almost free, backed by swap or files, available for re-allocation", mib: "vm.stats.vm.v_cache_count", conversion: fromPage, }, { name: "buffer_bytes", description: "Disk IO Cache entries for non ZFS filesystems, only usable by kernel", mib: "vfs.bufspace", dataType: bsdSysctlTypeCLong, }, { name: "free_bytes", description: "Unallocated, available for allocation", mib: "vm.stats.vm.v_free_count", conversion: fromPage, }, { name: "size_bytes", description: "Total physical memory size", mib: "vm.stats.vm.v_page_count", conversion: fromPage, }, { name: "swap_size_bytes", description: "Total swap memory size", mib: mibSwapTotal, dataType: bsdSysctlTypeUint64, }, // Descriptions via: top(1) { name: "swap_in_bytes_total", description: "Bytes paged in from swap devices", mib: "vm.stats.vm.v_swappgsin", valueType: prometheus.CounterValue, conversion: fromPage, }, { name: "swap_out_bytes_total", description: "Bytes paged out to swap devices", mib: "vm.stats.vm.v_swappgsout", valueType: prometheus.CounterValue, conversion: fromPage, }, }, }, nil }
go
func NewMemoryCollector() (Collector, error) { tmp32, err := unix.SysctlUint32("vm.stats.vm.v_page_size") if err != nil { return nil, fmt.Errorf("sysctl(vm.stats.vm.v_page_size) failed: %s", err) } size := float64(tmp32) mibSwapTotal := "vm.swap_total" /* swap_total is FreeBSD specific. Fall back to Dfly specific mib if not present. */ _, err = unix.SysctlUint32(mibSwapTotal) if err != nil { mibSwapTotal = "vm.swap_size" } fromPage := func(v float64) float64 { return v * size } return &memoryCollector{ pageSize: uint64(tmp32), sysctls: []bsdSysctl{ // Descriptions via: https://wiki.freebsd.org/Memory { name: "active_bytes", description: "Recently used by userland", mib: "vm.stats.vm.v_active_count", conversion: fromPage, }, { name: "inactive_bytes", description: "Not recently used by userland", mib: "vm.stats.vm.v_inactive_count", conversion: fromPage, }, { name: "wired_bytes", description: "Locked in memory by kernel, mlock, etc", mib: "vm.stats.vm.v_wire_count", conversion: fromPage, }, { name: "cache_bytes", description: "Almost free, backed by swap or files, available for re-allocation", mib: "vm.stats.vm.v_cache_count", conversion: fromPage, }, { name: "buffer_bytes", description: "Disk IO Cache entries for non ZFS filesystems, only usable by kernel", mib: "vfs.bufspace", dataType: bsdSysctlTypeCLong, }, { name: "free_bytes", description: "Unallocated, available for allocation", mib: "vm.stats.vm.v_free_count", conversion: fromPage, }, { name: "size_bytes", description: "Total physical memory size", mib: "vm.stats.vm.v_page_count", conversion: fromPage, }, { name: "swap_size_bytes", description: "Total swap memory size", mib: mibSwapTotal, dataType: bsdSysctlTypeUint64, }, // Descriptions via: top(1) { name: "swap_in_bytes_total", description: "Bytes paged in from swap devices", mib: "vm.stats.vm.v_swappgsin", valueType: prometheus.CounterValue, conversion: fromPage, }, { name: "swap_out_bytes_total", description: "Bytes paged out to swap devices", mib: "vm.stats.vm.v_swappgsout", valueType: prometheus.CounterValue, conversion: fromPage, }, }, }, nil }
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// NewMemoryCollector returns a new Collector exposing memory stats.
[ "NewMemoryCollector", "returns", "a", "new", "Collector", "exposing", "memory", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/memory_bsd.go#L41-L128
train
prometheus/node_exporter
collector/memory_bsd.go
Update
func (c *memoryCollector) Update(ch chan<- prometheus.Metric) error { for _, m := range c.sysctls { v, err := m.Value() if err != nil { return fmt.Errorf("couldn't get memory: %s", err) } // Most are gauges. if m.valueType == 0 { m.valueType = prometheus.GaugeValue } ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, memorySubsystem, m.name), m.description, nil, nil, ), m.valueType, v) } swapUsed, err := c.kvm.SwapUsedPages() if err != nil { return fmt.Errorf("couldn't get kvm: %s", err) } ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, memorySubsystem, "swap_used_bytes"), "Currently allocated swap", nil, nil, ), prometheus.GaugeValue, float64(swapUsed*c.pageSize)) return nil }
go
func (c *memoryCollector) Update(ch chan<- prometheus.Metric) error { for _, m := range c.sysctls { v, err := m.Value() if err != nil { return fmt.Errorf("couldn't get memory: %s", err) } // Most are gauges. if m.valueType == 0 { m.valueType = prometheus.GaugeValue } ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, memorySubsystem, m.name), m.description, nil, nil, ), m.valueType, v) } swapUsed, err := c.kvm.SwapUsedPages() if err != nil { return fmt.Errorf("couldn't get kvm: %s", err) } ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, memorySubsystem, "swap_used_bytes"), "Currently allocated swap", nil, nil, ), prometheus.GaugeValue, float64(swapUsed*c.pageSize)) return nil }
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// Update checks relevant sysctls for current memory usage, and kvm for swap // usage.
[ "Update", "checks", "relevant", "sysctls", "for", "current", "memory", "usage", "and", "kvm", "for", "swap", "usage", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/memory_bsd.go#L132-L165
train
prometheus/node_exporter
collector/netdev_common.go
NewNetDevCollector
func NewNetDevCollector() (Collector, error) { pattern := regexp.MustCompile(*netdevIgnoredDevices) return &netDevCollector{ subsystem: "network", ignoredDevicesPattern: pattern, metricDescs: map[string]*prometheus.Desc{}, }, nil }
go
func NewNetDevCollector() (Collector, error) { pattern := regexp.MustCompile(*netdevIgnoredDevices) return &netDevCollector{ subsystem: "network", ignoredDevicesPattern: pattern, metricDescs: map[string]*prometheus.Desc{}, }, nil }
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// NewNetDevCollector returns a new Collector exposing network device stats.
[ "NewNetDevCollector", "returns", "a", "new", "Collector", "exposing", "network", "device", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/netdev_common.go#L43-L50
train
prometheus/node_exporter
collector/bcache_linux.go
NewBcacheCollector
func NewBcacheCollector() (Collector, error) { fs, err := sysfs.NewFS(*sysPath) if err != nil { return nil, fmt.Errorf("failed to open sysfs: %v", err) } return &bcacheCollector{ fs: fs, }, nil }
go
func NewBcacheCollector() (Collector, error) { fs, err := sysfs.NewFS(*sysPath) if err != nil { return nil, fmt.Errorf("failed to open sysfs: %v", err) } return &bcacheCollector{ fs: fs, }, nil }
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// NewBcacheCollector returns a newly allocated bcacheCollector. // It exposes a number of Linux bcache statistics.
[ "NewBcacheCollector", "returns", "a", "newly", "allocated", "bcacheCollector", ".", "It", "exposes", "a", "number", "of", "Linux", "bcache", "statistics", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/bcache_linux.go#L38-L47
train
prometheus/node_exporter
collector/bcache_linux.go
Update
func (c *bcacheCollector) Update(ch chan<- prometheus.Metric) error { stats, err := c.fs.BcacheStats() if err != nil { return fmt.Errorf("failed to retrieve bcache stats: %v", err) } for _, s := range stats { c.updateBcacheStats(ch, s) } return nil }
go
func (c *bcacheCollector) Update(ch chan<- prometheus.Metric) error { stats, err := c.fs.BcacheStats() if err != nil { return fmt.Errorf("failed to retrieve bcache stats: %v", err) } for _, s := range stats { c.updateBcacheStats(ch, s) } return nil }
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// Update reads and exposes bcache stats. // It implements the Collector interface.
[ "Update", "reads", "and", "exposes", "bcache", "stats", ".", "It", "implements", "the", "Collector", "interface", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/bcache_linux.go#L51-L61
train
prometheus/node_exporter
collector/nfsd_linux.go
updateNFSdReplyCacheStats
func (c *nfsdCollector) updateNFSdReplyCacheStats(ch chan<- prometheus.Metric, s *nfs.ReplyCache) { ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "reply_cache_hits_total"), "Total number of NFSd Reply Cache hits (client lost server response).", nil, nil, ), prometheus.CounterValue, float64(s.Hits)) ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "reply_cache_misses_total"), "Total number of NFSd Reply Cache an operation that requires caching (idempotent).", nil, nil, ), prometheus.CounterValue, float64(s.Misses)) ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "reply_cache_nocache_total"), "Total number of NFSd Reply Cache non-idempotent operations (rename/delete/…).", nil, nil, ), prometheus.CounterValue, float64(s.NoCache)) }
go
func (c *nfsdCollector) updateNFSdReplyCacheStats(ch chan<- prometheus.Metric, s *nfs.ReplyCache) { ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "reply_cache_hits_total"), "Total number of NFSd Reply Cache hits (client lost server response).", nil, nil, ), prometheus.CounterValue, float64(s.Hits)) ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "reply_cache_misses_total"), "Total number of NFSd Reply Cache an operation that requires caching (idempotent).", nil, nil, ), prometheus.CounterValue, float64(s.Misses)) ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "reply_cache_nocache_total"), "Total number of NFSd Reply Cache non-idempotent operations (rename/delete/…).", nil, nil, ), prometheus.CounterValue, float64(s.NoCache)) }
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// updateNFSdReplyCacheStats collects statistics for the reply cache.
[ "updateNFSdReplyCacheStats", "collects", "statistics", "for", "the", "reply", "cache", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/nfsd_linux.go#L84-L112
train
prometheus/node_exporter
collector/nfsd_linux.go
updateNFSdFileHandlesStats
func (c *nfsdCollector) updateNFSdFileHandlesStats(ch chan<- prometheus.Metric, s *nfs.FileHandles) { ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "file_handles_stale_total"), "Total number of NFSd stale file handles", nil, nil, ), prometheus.CounterValue, float64(s.Stale)) // NOTE: Other FileHandles entries are unused in the kernel. }
go
func (c *nfsdCollector) updateNFSdFileHandlesStats(ch chan<- prometheus.Metric, s *nfs.FileHandles) { ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "file_handles_stale_total"), "Total number of NFSd stale file handles", nil, nil, ), prometheus.CounterValue, float64(s.Stale)) // NOTE: Other FileHandles entries are unused in the kernel. }
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// updateNFSdFileHandlesStats collects statistics for the file handles.
[ "updateNFSdFileHandlesStats", "collects", "statistics", "for", "the", "file", "handles", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/nfsd_linux.go#L115-L126
train
prometheus/node_exporter
collector/nfsd_linux.go
updateNFSdThreadsStats
func (c *nfsdCollector) updateNFSdThreadsStats(ch chan<- prometheus.Metric, s *nfs.Threads) { ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "server_threads"), "Total number of NFSd kernel threads that are running.", nil, nil, ), prometheus.GaugeValue, float64(s.Threads)) }
go
func (c *nfsdCollector) updateNFSdThreadsStats(ch chan<- prometheus.Metric, s *nfs.Threads) { ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "server_threads"), "Total number of NFSd kernel threads that are running.", nil, nil, ), prometheus.GaugeValue, float64(s.Threads)) }
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// updateNFSdThreadsStats collects statistics for kernel server threads.
[ "updateNFSdThreadsStats", "collects", "statistics", "for", "kernel", "server", "threads", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/nfsd_linux.go#L151-L161
train
prometheus/node_exporter
collector/nfsd_linux.go
updateNFSdReadAheadCacheStats
func (c *nfsdCollector) updateNFSdReadAheadCacheStats(ch chan<- prometheus.Metric, s *nfs.ReadAheadCache) { ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "read_ahead_cache_size_blocks"), "How large the read ahead cache is in blocks.", nil, nil, ), prometheus.GaugeValue, float64(s.CacheSize)) ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "read_ahead_cache_not_found_total"), "Total number of NFSd read ahead cache not found.", nil, nil, ), prometheus.CounterValue, float64(s.NotFound)) }
go
func (c *nfsdCollector) updateNFSdReadAheadCacheStats(ch chan<- prometheus.Metric, s *nfs.ReadAheadCache) { ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "read_ahead_cache_size_blocks"), "How large the read ahead cache is in blocks.", nil, nil, ), prometheus.GaugeValue, float64(s.CacheSize)) ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "read_ahead_cache_not_found_total"), "Total number of NFSd read ahead cache not found.", nil, nil, ), prometheus.CounterValue, float64(s.NotFound)) }
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// updateNFSdReadAheadCacheStats collects statistics for the read ahead cache.
[ "updateNFSdReadAheadCacheStats", "collects", "statistics", "for", "the", "read", "ahead", "cache", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/nfsd_linux.go#L164-L183
train
prometheus/node_exporter
collector/nfsd_linux.go
updateNFSdServerRPCStats
func (c *nfsdCollector) updateNFSdServerRPCStats(ch chan<- prometheus.Metric, s *nfs.ServerRPC) { badRPCDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "rpc_errors_total"), "Total number of NFSd RPC errors by error type.", []string{"error"}, nil, ) ch <- prometheus.MustNewConstMetric( badRPCDesc, prometheus.CounterValue, float64(s.BadFmt), "fmt") ch <- prometheus.MustNewConstMetric( badRPCDesc, prometheus.CounterValue, float64(s.BadAuth), "auth") ch <- prometheus.MustNewConstMetric( badRPCDesc, prometheus.CounterValue, float64(s.BadcInt), "cInt") ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "server_rpcs_total"), "Total number of NFSd RPCs.", nil, nil, ), prometheus.CounterValue, float64(s.RPCCount)) }
go
func (c *nfsdCollector) updateNFSdServerRPCStats(ch chan<- prometheus.Metric, s *nfs.ServerRPC) { badRPCDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "rpc_errors_total"), "Total number of NFSd RPC errors by error type.", []string{"error"}, nil, ) ch <- prometheus.MustNewConstMetric( badRPCDesc, prometheus.CounterValue, float64(s.BadFmt), "fmt") ch <- prometheus.MustNewConstMetric( badRPCDesc, prometheus.CounterValue, float64(s.BadAuth), "auth") ch <- prometheus.MustNewConstMetric( badRPCDesc, prometheus.CounterValue, float64(s.BadcInt), "cInt") ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsdSubsystem, "server_rpcs_total"), "Total number of NFSd RPCs.", nil, nil, ), prometheus.CounterValue, float64(s.RPCCount)) }
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// updateNFSdServerRPCStats collects statistics for kernel server RPCs.
[ "updateNFSdServerRPCStats", "collects", "statistics", "for", "kernel", "server", "RPCs", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/nfsd_linux.go#L213-L241
train
prometheus/node_exporter
collector/nfsd_linux.go
updateNFSdRequestsv2Stats
func (c *nfsdCollector) updateNFSdRequestsv2Stats(ch chan<- prometheus.Metric, s *nfs.V2Stats) { const proto = "2" ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.GetAttr), proto, "GetAttr") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.SetAttr), proto, "SetAttr") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Root), proto, "Root") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Lookup), proto, "Lookup") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.ReadLink), proto, "ReadLink") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Read), proto, "Read") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.WrCache), proto, "WrCache") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Write), proto, "Write") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Create), proto, "Create") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Remove), proto, "Remove") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Rename), proto, "Rename") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Link), proto, "Link") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.SymLink), proto, "SymLink") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.MkDir), proto, "MkDir") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.RmDir), proto, "RmDir") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.ReadDir), proto, "ReadDir") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.FsStat), proto, "FsStat") }
go
func (c *nfsdCollector) updateNFSdRequestsv2Stats(ch chan<- prometheus.Metric, s *nfs.V2Stats) { const proto = "2" ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.GetAttr), proto, "GetAttr") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.SetAttr), proto, "SetAttr") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Root), proto, "Root") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Lookup), proto, "Lookup") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.ReadLink), proto, "ReadLink") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Read), proto, "Read") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.WrCache), proto, "WrCache") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Write), proto, "Write") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Create), proto, "Create") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Remove), proto, "Remove") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Rename), proto, "Rename") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.Link), proto, "Link") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.SymLink), proto, "SymLink") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.MkDir), proto, "MkDir") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.RmDir), proto, "RmDir") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.ReadDir), proto, "ReadDir") ch <- prometheus.MustNewConstMetric(c.requestsDesc, prometheus.CounterValue, float64(s.FsStat), proto, "FsStat") }
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// updateNFSdRequestsv2Stats collects statistics for NFSv2 requests.
[ "updateNFSdRequestsv2Stats", "collects", "statistics", "for", "NFSv2", "requests", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/nfsd_linux.go#L244-L280
train
prometheus/node_exporter
collector/supervisord.go
NewSupervisordCollector
func NewSupervisordCollector() (Collector, error) { var ( subsystem = "supervisord" labelNames = []string{"name", "group"} ) return &supervisordCollector{ upDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "up"), "Process Up", labelNames, nil, ), stateDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "state"), "Process State", labelNames, nil, ), exitStatusDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "exit_status"), "Process Exit Status", labelNames, nil, ), startTimeDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "start_time_seconds"), "Process start time", labelNames, nil, ), }, nil }
go
func NewSupervisordCollector() (Collector, error) { var ( subsystem = "supervisord" labelNames = []string{"name", "group"} ) return &supervisordCollector{ upDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "up"), "Process Up", labelNames, nil, ), stateDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "state"), "Process State", labelNames, nil, ), exitStatusDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "exit_status"), "Process Exit Status", labelNames, nil, ), startTimeDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "start_time_seconds"), "Process start time", labelNames, nil, ), }, nil }
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// NewSupervisordCollector returns a new Collector exposing supervisord statistics.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/supervisord.go#L43-L74
train
prometheus/node_exporter
collector/interrupts_common.go
NewInterruptsCollector
func NewInterruptsCollector() (Collector, error) { return &interruptsCollector{ desc: typedDesc{prometheus.NewDesc( namespace+"_interrupts_total", "Interrupt details.", interruptLabelNames, nil, ), prometheus.CounterValue}, }, nil }
go
func NewInterruptsCollector() (Collector, error) { return &interruptsCollector{ desc: typedDesc{prometheus.NewDesc( namespace+"_interrupts_total", "Interrupt details.", interruptLabelNames, nil, ), prometheus.CounterValue}, }, nil }
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// NewInterruptsCollector returns a new Collector exposing interrupts stats.
[ "NewInterruptsCollector", "returns", "a", "new", "Collector", "exposing", "interrupts", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/interrupts_common.go#L30-L38
train
prometheus/node_exporter
collector/loadavg.go
NewLoadavgCollector
func NewLoadavgCollector() (Collector, error) { return &loadavgCollector{ metric: []typedDesc{ {prometheus.NewDesc(namespace+"_load1", "1m load average.", nil, nil), prometheus.GaugeValue}, {prometheus.NewDesc(namespace+"_load5", "5m load average.", nil, nil), prometheus.GaugeValue}, {prometheus.NewDesc(namespace+"_load15", "15m load average.", nil, nil), prometheus.GaugeValue}, }, }, nil }
go
func NewLoadavgCollector() (Collector, error) { return &loadavgCollector{ metric: []typedDesc{ {prometheus.NewDesc(namespace+"_load1", "1m load average.", nil, nil), prometheus.GaugeValue}, {prometheus.NewDesc(namespace+"_load5", "5m load average.", nil, nil), prometheus.GaugeValue}, {prometheus.NewDesc(namespace+"_load15", "15m load average.", nil, nil), prometheus.GaugeValue}, }, }, nil }
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// NewLoadavgCollector returns a new Collector exposing load average stats.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/loadavg.go#L35-L43
train
prometheus/node_exporter
collector/time.go
NewTimeCollector
func NewTimeCollector() (Collector, error) { return &timeCollector{ desc: prometheus.NewDesc( namespace+"_time_seconds", "System time in seconds since epoch (1970).", nil, nil, ), }, nil }
go
func NewTimeCollector() (Collector, error) { return &timeCollector{ desc: prometheus.NewDesc( namespace+"_time_seconds", "System time in seconds since epoch (1970).", nil, nil, ), }, nil }
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// NewTimeCollector returns a new Collector exposing the current system time in // seconds since epoch.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/time.go#L35-L43
train
prometheus/node_exporter
collector/tcpstat_linux.go
NewTCPStatCollector
func NewTCPStatCollector() (Collector, error) { return &tcpStatCollector{ desc: typedDesc{prometheus.NewDesc( prometheus.BuildFQName(namespace, "tcp", "connection_states"), "Number of connection states.", []string{"state"}, nil, ), prometheus.GaugeValue}, }, nil }
go
func NewTCPStatCollector() (Collector, error) { return &tcpStatCollector{ desc: typedDesc{prometheus.NewDesc( prometheus.BuildFQName(namespace, "tcp", "connection_states"), "Number of connection states.", []string{"state"}, nil, ), prometheus.GaugeValue}, }, nil }
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// NewTCPStatCollector returns a new Collector exposing network stats.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/tcpstat_linux.go#L65-L73
train
prometheus/node_exporter
collector/filesystem_linux.go
GetStats
func (c *filesystemCollector) GetStats() ([]filesystemStats, error) { mps, err := mountPointDetails() if err != nil { return nil, err } stats := []filesystemStats{} for _, labels := range mps { if c.ignoredMountPointsPattern.MatchString(labels.mountPoint) { log.Debugf("Ignoring mount point: %s", labels.mountPoint) continue } if c.ignoredFSTypesPattern.MatchString(labels.fsType) { log.Debugf("Ignoring fs type: %s", labels.fsType) continue } stuckMountsMtx.Lock() if _, ok := stuckMounts[labels.mountPoint]; ok { stats = append(stats, filesystemStats{ labels: labels, deviceError: 1, }) log.Debugf("Mount point %q is in an unresponsive state", labels.mountPoint) stuckMountsMtx.Unlock() continue } stuckMountsMtx.Unlock() // The success channel is used do tell the "watcher" that the stat // finished successfully. The channel is closed on success. success := make(chan struct{}) go stuckMountWatcher(labels.mountPoint, success) buf := new(syscall.Statfs_t) err = syscall.Statfs(rootfsFilePath(labels.mountPoint), buf) stuckMountsMtx.Lock() close(success) // If the mount has been marked as stuck, unmark it and log it's recovery. if _, ok := stuckMounts[labels.mountPoint]; ok { log.Debugf("Mount point %q has recovered, monitoring will resume", labels.mountPoint) delete(stuckMounts, labels.mountPoint) } stuckMountsMtx.Unlock() if err != nil { stats = append(stats, filesystemStats{ labels: labels, deviceError: 1, }) log.Debugf("Error on statfs() system call for %q: %s", rootfsFilePath(labels.mountPoint), err) continue } var ro float64 for _, option := range strings.Split(labels.options, ",") { if option == "ro" { ro = 1 break } } stats = append(stats, filesystemStats{ labels: labels, size: float64(buf.Blocks) * float64(buf.Bsize), free: float64(buf.Bfree) * float64(buf.Bsize), avail: float64(buf.Bavail) * float64(buf.Bsize), files: float64(buf.Files), filesFree: float64(buf.Ffree), ro: ro, }) } return stats, nil }
go
func (c *filesystemCollector) GetStats() ([]filesystemStats, error) { mps, err := mountPointDetails() if err != nil { return nil, err } stats := []filesystemStats{} for _, labels := range mps { if c.ignoredMountPointsPattern.MatchString(labels.mountPoint) { log.Debugf("Ignoring mount point: %s", labels.mountPoint) continue } if c.ignoredFSTypesPattern.MatchString(labels.fsType) { log.Debugf("Ignoring fs type: %s", labels.fsType) continue } stuckMountsMtx.Lock() if _, ok := stuckMounts[labels.mountPoint]; ok { stats = append(stats, filesystemStats{ labels: labels, deviceError: 1, }) log.Debugf("Mount point %q is in an unresponsive state", labels.mountPoint) stuckMountsMtx.Unlock() continue } stuckMountsMtx.Unlock() // The success channel is used do tell the "watcher" that the stat // finished successfully. The channel is closed on success. success := make(chan struct{}) go stuckMountWatcher(labels.mountPoint, success) buf := new(syscall.Statfs_t) err = syscall.Statfs(rootfsFilePath(labels.mountPoint), buf) stuckMountsMtx.Lock() close(success) // If the mount has been marked as stuck, unmark it and log it's recovery. if _, ok := stuckMounts[labels.mountPoint]; ok { log.Debugf("Mount point %q has recovered, monitoring will resume", labels.mountPoint) delete(stuckMounts, labels.mountPoint) } stuckMountsMtx.Unlock() if err != nil { stats = append(stats, filesystemStats{ labels: labels, deviceError: 1, }) log.Debugf("Error on statfs() system call for %q: %s", rootfsFilePath(labels.mountPoint), err) continue } var ro float64 for _, option := range strings.Split(labels.options, ",") { if option == "ro" { ro = 1 break } } stats = append(stats, filesystemStats{ labels: labels, size: float64(buf.Blocks) * float64(buf.Bsize), free: float64(buf.Bfree) * float64(buf.Bsize), avail: float64(buf.Bavail) * float64(buf.Bsize), files: float64(buf.Files), filesFree: float64(buf.Ffree), ro: ro, }) } return stats, nil }
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// GetStats returns filesystem stats.
[ "GetStats", "returns", "filesystem", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/filesystem_linux.go#L41-L113
train
prometheus/node_exporter
collector/filesystem_linux.go
stuckMountWatcher
func stuckMountWatcher(mountPoint string, success chan struct{}) { select { case <-success: // Success case <-time.After(mountTimeout): // Timed out, mark mount as stuck stuckMountsMtx.Lock() select { case <-success: // Success came in just after the timeout was reached, don't label the mount as stuck default: log.Debugf("Mount point %q timed out, it is being labeled as stuck and will not be monitored", mountPoint) stuckMounts[mountPoint] = struct{}{} } stuckMountsMtx.Unlock() } }
go
func stuckMountWatcher(mountPoint string, success chan struct{}) { select { case <-success: // Success case <-time.After(mountTimeout): // Timed out, mark mount as stuck stuckMountsMtx.Lock() select { case <-success: // Success came in just after the timeout was reached, don't label the mount as stuck default: log.Debugf("Mount point %q timed out, it is being labeled as stuck and will not be monitored", mountPoint) stuckMounts[mountPoint] = struct{}{} } stuckMountsMtx.Unlock() } }
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// stuckMountWatcher listens on the given success channel and if the channel closes // then the watcher does nothing. If instead the timeout is reached, the // mount point that is being watched is marked as stuck.
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/filesystem_linux.go#L118-L134
train
prometheus/node_exporter
collector/conntrack_linux.go
NewConntrackCollector
func NewConntrackCollector() (Collector, error) { return &conntrackCollector{ current: prometheus.NewDesc( prometheus.BuildFQName(namespace, "", "nf_conntrack_entries"), "Number of currently allocated flow entries for connection tracking.", nil, nil, ), limit: prometheus.NewDesc( prometheus.BuildFQName(namespace, "", "nf_conntrack_entries_limit"), "Maximum size of connection tracking table.", nil, nil, ), }, nil }
go
func NewConntrackCollector() (Collector, error) { return &conntrackCollector{ current: prometheus.NewDesc( prometheus.BuildFQName(namespace, "", "nf_conntrack_entries"), "Number of currently allocated flow entries for connection tracking.", nil, nil, ), limit: prometheus.NewDesc( prometheus.BuildFQName(namespace, "", "nf_conntrack_entries_limit"), "Maximum size of connection tracking table.", nil, nil, ), }, nil }
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// NewConntrackCollector returns a new Collector exposing conntrack stats.
[ "NewConntrackCollector", "returns", "a", "new", "Collector", "exposing", "conntrack", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/conntrack_linux.go#L32-L45
train
prometheus/node_exporter
collector/nfs_linux.go
NewNfsCollector
func NewNfsCollector() (Collector, error) { fs, err := procfs.NewFS(*procPath) if err != nil { return nil, fmt.Errorf("failed to open procfs: %v", err) } return &nfsCollector{ fs: fs, nfsNetReadsDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "packets_total"), "Total NFSd network packets (sent+received) by protocol type.", []string{"protocol"}, nil, ), nfsNetConnectionsDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "connections_total"), "Total number of NFSd TCP connections.", nil, nil, ), nfsRPCOperationsDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "rpcs_total"), "Total number of RPCs performed.", nil, nil, ), nfsRPCRetransmissionsDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "rpc_retransmissions_total"), "Number of RPC transmissions performed.", nil, nil, ), nfsRPCAuthenticationRefreshesDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "rpc_authentication_refreshes_total"), "Number of RPC authentication refreshes performed.", nil, nil, ), nfsProceduresDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "requests_total"), "Number of NFS procedures invoked.", []string{"proto", "method"}, nil, ), }, nil }
go
func NewNfsCollector() (Collector, error) { fs, err := procfs.NewFS(*procPath) if err != nil { return nil, fmt.Errorf("failed to open procfs: %v", err) } return &nfsCollector{ fs: fs, nfsNetReadsDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "packets_total"), "Total NFSd network packets (sent+received) by protocol type.", []string{"protocol"}, nil, ), nfsNetConnectionsDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "connections_total"), "Total number of NFSd TCP connections.", nil, nil, ), nfsRPCOperationsDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "rpcs_total"), "Total number of RPCs performed.", nil, nil, ), nfsRPCRetransmissionsDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "rpc_retransmissions_total"), "Number of RPC transmissions performed.", nil, nil, ), nfsRPCAuthenticationRefreshesDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "rpc_authentication_refreshes_total"), "Number of RPC authentication refreshes performed.", nil, nil, ), nfsProceduresDesc: prometheus.NewDesc( prometheus.BuildFQName(namespace, nfsSubsystem, "requests_total"), "Number of NFS procedures invoked.", []string{"proto", "method"}, nil, ), }, nil }
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// NewNfsCollector returns a new Collector exposing NFS statistics.
[ "NewNfsCollector", "returns", "a", "new", "Collector", "exposing", "NFS", "statistics", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/nfs_linux.go#L46-L91
train
prometheus/node_exporter
collector/nfs_linux.go
updateNFSClientRPCStats
func (c *nfsCollector) updateNFSClientRPCStats(ch chan<- prometheus.Metric, s *nfs.ClientRPC) { ch <- prometheus.MustNewConstMetric(c.nfsRPCOperationsDesc, prometheus.CounterValue, float64(s.RPCCount)) ch <- prometheus.MustNewConstMetric(c.nfsRPCRetransmissionsDesc, prometheus.CounterValue, float64(s.Retransmissions)) ch <- prometheus.MustNewConstMetric(c.nfsRPCAuthenticationRefreshesDesc, prometheus.CounterValue, float64(s.AuthRefreshes)) }
go
func (c *nfsCollector) updateNFSClientRPCStats(ch chan<- prometheus.Metric, s *nfs.ClientRPC) { ch <- prometheus.MustNewConstMetric(c.nfsRPCOperationsDesc, prometheus.CounterValue, float64(s.RPCCount)) ch <- prometheus.MustNewConstMetric(c.nfsRPCRetransmissionsDesc, prometheus.CounterValue, float64(s.Retransmissions)) ch <- prometheus.MustNewConstMetric(c.nfsRPCAuthenticationRefreshesDesc, prometheus.CounterValue, float64(s.AuthRefreshes)) }
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// updateNFSClientRPCStats collects statistics for kernel server RPCs.
[ "updateNFSClientRPCStats", "collects", "statistics", "for", "kernel", "server", "RPCs", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/nfs_linux.go#L123-L130
train
prometheus/node_exporter
collector/nfs_linux.go
updateNFSRequestsv2Stats
func (c *nfsCollector) updateNFSRequestsv2Stats(ch chan<- prometheus.Metric, s *nfs.V2Stats) { const proto = "2" v := reflect.ValueOf(s).Elem() for i := 0; i < v.NumField(); i++ { field := v.Field(i) ch <- prometheus.MustNewConstMetric(c.nfsProceduresDesc, prometheus.CounterValue, float64(field.Uint()), proto, v.Type().Field(i).Name) } }
go
func (c *nfsCollector) updateNFSRequestsv2Stats(ch chan<- prometheus.Metric, s *nfs.V2Stats) { const proto = "2" v := reflect.ValueOf(s).Elem() for i := 0; i < v.NumField(); i++ { field := v.Field(i) ch <- prometheus.MustNewConstMetric(c.nfsProceduresDesc, prometheus.CounterValue, float64(field.Uint()), proto, v.Type().Field(i).Name) } }
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// updateNFSRequestsv2Stats collects statistics for NFSv2 requests.
[ "updateNFSRequestsv2Stats", "collects", "statistics", "for", "NFSv2", "requests", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/nfs_linux.go#L133-L143
train
prometheus/node_exporter
collector/netclass_linux.go
NewNetClassCollector
func NewNetClassCollector() (Collector, error) { fs, err := sysfs.NewFS(*sysPath) if err != nil { return nil, fmt.Errorf("failed to open sysfs: %v", err) } pattern := regexp.MustCompile(*netclassIgnoredDevices) return &netClassCollector{ fs: fs, subsystem: "network", ignoredDevicesPattern: pattern, metricDescs: map[string]*prometheus.Desc{}, }, nil }
go
func NewNetClassCollector() (Collector, error) { fs, err := sysfs.NewFS(*sysPath) if err != nil { return nil, fmt.Errorf("failed to open sysfs: %v", err) } pattern := regexp.MustCompile(*netclassIgnoredDevices) return &netClassCollector{ fs: fs, subsystem: "network", ignoredDevicesPattern: pattern, metricDescs: map[string]*prometheus.Desc{}, }, nil }
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// NewNetClassCollector returns a new Collector exposing network class stats.
[ "NewNetClassCollector", "returns", "a", "new", "Collector", "exposing", "network", "class", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/netclass_linux.go#L44-L56
train
prometheus/node_exporter
collector/boot_time_bsd.go
newBootTimeCollector
func newBootTimeCollector() (Collector, error) { return &bootTimeCollector{ boottime: bsdSysctl{ name: "boot_time_seconds", description: "Unix time of last boot, including microseconds.", mib: "kern.boottime", dataType: bsdSysctlTypeStructTimeval, }, }, nil }
go
func newBootTimeCollector() (Collector, error) { return &bootTimeCollector{ boottime: bsdSysctl{ name: "boot_time_seconds", description: "Unix time of last boot, including microseconds.", mib: "kern.boottime", dataType: bsdSysctlTypeStructTimeval, }, }, nil }
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// newBootTimeCollector returns a new Collector exposing system boot time on BSD systems.
[ "newBootTimeCollector", "returns", "a", "new", "Collector", "exposing", "system", "boot", "time", "on", "BSD", "systems", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/boot_time_bsd.go#L30-L39
train
prometheus/node_exporter
collector/boot_time_bsd.go
Update
func (c *bootTimeCollector) Update(ch chan<- prometheus.Metric) error { v, err := c.boottime.Value() if err != nil { return err } ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, "", c.boottime.name), c.boottime.description, nil, nil, ), prometheus.GaugeValue, v) return nil }
go
func (c *bootTimeCollector) Update(ch chan<- prometheus.Metric) error { v, err := c.boottime.Value() if err != nil { return err } ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName(namespace, "", c.boottime.name), c.boottime.description, nil, nil, ), prometheus.GaugeValue, v) return nil }
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// Update pushes boot time onto ch
[ "Update", "pushes", "boot", "time", "onto", "ch" ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/boot_time_bsd.go#L42-L56
train
prometheus/node_exporter
collector/filesystem_common.go
NewFilesystemCollector
func NewFilesystemCollector() (Collector, error) { subsystem := "filesystem" mountPointPattern := regexp.MustCompile(*ignoredMountPoints) filesystemsTypesPattern := regexp.MustCompile(*ignoredFSTypes) sizeDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "size_bytes"), "Filesystem size in bytes.", filesystemLabelNames, nil, ) freeDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "free_bytes"), "Filesystem free space in bytes.", filesystemLabelNames, nil, ) availDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "avail_bytes"), "Filesystem space available to non-root users in bytes.", filesystemLabelNames, nil, ) filesDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "files"), "Filesystem total file nodes.", filesystemLabelNames, nil, ) filesFreeDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "files_free"), "Filesystem total free file nodes.", filesystemLabelNames, nil, ) roDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "readonly"), "Filesystem read-only status.", filesystemLabelNames, nil, ) deviceErrorDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "device_error"), "Whether an error occurred while getting statistics for the given device.", filesystemLabelNames, nil, ) return &filesystemCollector{ ignoredMountPointsPattern: mountPointPattern, ignoredFSTypesPattern: filesystemsTypesPattern, sizeDesc: sizeDesc, freeDesc: freeDesc, availDesc: availDesc, filesDesc: filesDesc, filesFreeDesc: filesFreeDesc, roDesc: roDesc, deviceErrorDesc: deviceErrorDesc, }, nil }
go
func NewFilesystemCollector() (Collector, error) { subsystem := "filesystem" mountPointPattern := regexp.MustCompile(*ignoredMountPoints) filesystemsTypesPattern := regexp.MustCompile(*ignoredFSTypes) sizeDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "size_bytes"), "Filesystem size in bytes.", filesystemLabelNames, nil, ) freeDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "free_bytes"), "Filesystem free space in bytes.", filesystemLabelNames, nil, ) availDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "avail_bytes"), "Filesystem space available to non-root users in bytes.", filesystemLabelNames, nil, ) filesDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "files"), "Filesystem total file nodes.", filesystemLabelNames, nil, ) filesFreeDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "files_free"), "Filesystem total free file nodes.", filesystemLabelNames, nil, ) roDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "readonly"), "Filesystem read-only status.", filesystemLabelNames, nil, ) deviceErrorDesc := prometheus.NewDesc( prometheus.BuildFQName(namespace, subsystem, "device_error"), "Whether an error occurred while getting statistics for the given device.", filesystemLabelNames, nil, ) return &filesystemCollector{ ignoredMountPointsPattern: mountPointPattern, ignoredFSTypesPattern: filesystemsTypesPattern, sizeDesc: sizeDesc, freeDesc: freeDesc, availDesc: availDesc, filesDesc: filesDesc, filesFreeDesc: filesFreeDesc, roDesc: roDesc, deviceErrorDesc: deviceErrorDesc, }, nil }
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// NewFilesystemCollector returns a new Collector exposing filesystems stats.
[ "NewFilesystemCollector", "returns", "a", "new", "Collector", "exposing", "filesystems", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/filesystem_common.go#L69-L127
train
prometheus/node_exporter
collector/pressure_linux.go
NewPressureStatsCollector
func NewPressureStatsCollector() (Collector, error) { fs, err := procfs.NewFS(*procPath) if err != nil { return nil, fmt.Errorf("failed to open procfs: %v", err) } return &pressureStatsCollector{ cpu: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "cpu_waiting_seconds_total"), "Total time in seconds that processes have waited for CPU time", nil, nil, ), io: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "io_waiting_seconds_total"), "Total time in seconds that processes have waited due to IO congestion", nil, nil, ), ioFull: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "io_stalled_seconds_total"), "Total time in seconds no process could make progress due to IO congestion", nil, nil, ), mem: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "memory_waiting_seconds_total"), "Total time in seconds that processes have waited for memory", nil, nil, ), memFull: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "memory_stalled_seconds_total"), "Total time in seconds no process could make progress due to memory congestion", nil, nil, ), fs: fs, }, nil }
go
func NewPressureStatsCollector() (Collector, error) { fs, err := procfs.NewFS(*procPath) if err != nil { return nil, fmt.Errorf("failed to open procfs: %v", err) } return &pressureStatsCollector{ cpu: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "cpu_waiting_seconds_total"), "Total time in seconds that processes have waited for CPU time", nil, nil, ), io: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "io_waiting_seconds_total"), "Total time in seconds that processes have waited due to IO congestion", nil, nil, ), ioFull: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "io_stalled_seconds_total"), "Total time in seconds no process could make progress due to IO congestion", nil, nil, ), mem: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "memory_waiting_seconds_total"), "Total time in seconds that processes have waited for memory", nil, nil, ), memFull: prometheus.NewDesc( prometheus.BuildFQName(namespace, "pressure", "memory_stalled_seconds_total"), "Total time in seconds no process could make progress due to memory congestion", nil, nil, ), fs: fs, }, nil }
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// NewPressureStatsCollector returns a Collector exposing pressure stall information
[ "NewPressureStatsCollector", "returns", "a", "Collector", "exposing", "pressure", "stall", "information" ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/pressure_linux.go#L45-L79
train
prometheus/node_exporter
collector/pressure_linux.go
Update
func (c *pressureStatsCollector) Update(ch chan<- prometheus.Metric) error { for _, res := range psiResources { log.Debugf("collecting statistics for resource: %s", res) vals, err := c.fs.NewPSIStatsForResource(res) if err != nil { log.Debug("pressure information is unavailable, you need a Linux kernel >= 4.20 and/or CONFIG_PSI enabled for your kernel") return nil } switch res { case "cpu": ch <- prometheus.MustNewConstMetric(c.cpu, prometheus.CounterValue, float64(vals.Some.Total)/1000.0/1000.0) case "io": ch <- prometheus.MustNewConstMetric(c.io, prometheus.CounterValue, float64(vals.Some.Total)/1000.0/1000.0) ch <- prometheus.MustNewConstMetric(c.ioFull, prometheus.CounterValue, float64(vals.Full.Total)/1000.0/1000.0) case "memory": ch <- prometheus.MustNewConstMetric(c.mem, prometheus.CounterValue, float64(vals.Some.Total)/1000.0/1000.0) ch <- prometheus.MustNewConstMetric(c.memFull, prometheus.CounterValue, float64(vals.Full.Total)/1000.0/1000.0) default: log.Debugf("did not account for resource: %s", res) } } return nil }
go
func (c *pressureStatsCollector) Update(ch chan<- prometheus.Metric) error { for _, res := range psiResources { log.Debugf("collecting statistics for resource: %s", res) vals, err := c.fs.NewPSIStatsForResource(res) if err != nil { log.Debug("pressure information is unavailable, you need a Linux kernel >= 4.20 and/or CONFIG_PSI enabled for your kernel") return nil } switch res { case "cpu": ch <- prometheus.MustNewConstMetric(c.cpu, prometheus.CounterValue, float64(vals.Some.Total)/1000.0/1000.0) case "io": ch <- prometheus.MustNewConstMetric(c.io, prometheus.CounterValue, float64(vals.Some.Total)/1000.0/1000.0) ch <- prometheus.MustNewConstMetric(c.ioFull, prometheus.CounterValue, float64(vals.Full.Total)/1000.0/1000.0) case "memory": ch <- prometheus.MustNewConstMetric(c.mem, prometheus.CounterValue, float64(vals.Some.Total)/1000.0/1000.0) ch <- prometheus.MustNewConstMetric(c.memFull, prometheus.CounterValue, float64(vals.Full.Total)/1000.0/1000.0) default: log.Debugf("did not account for resource: %s", res) } } return nil }
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// Update calls procfs.NewPSIStatsForResource for the different resources and updates the values
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c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/pressure_linux.go#L82-L105
train
prometheus/node_exporter
collector/netstat_linux.go
NewNetStatCollector
func NewNetStatCollector() (Collector, error) { pattern := regexp.MustCompile(*netStatFields) return &netStatCollector{ fieldPattern: pattern, }, nil }
go
func NewNetStatCollector() (Collector, error) { pattern := regexp.MustCompile(*netStatFields) return &netStatCollector{ fieldPattern: pattern, }, nil }
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// NewNetStatCollector takes and returns // a new Collector exposing network stats.
[ "NewNetStatCollector", "takes", "and", "returns", "a", "new", "Collector", "exposing", "network", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/netstat_linux.go#L49-L54
train
prometheus/node_exporter
collector/zfs.go
NewZFSCollector
func NewZFSCollector() (Collector, error) { return &zfsCollector{ linuxProcpathBase: "spl/kstat/zfs", linuxZpoolIoPath: "/*/io", linuxPathMap: map[string]string{ "zfs_abd": "abdstats", "zfs_arc": "arcstats", "zfs_dbuf": "dbuf_stats", "zfs_dmu_tx": "dmu_tx", "zfs_dnode": "dnodestats", "zfs_fm": "fm", "zfs_vdev_cache": "vdev_cache_stats", // vdev_cache is deprecated "zfs_vdev_mirror": "vdev_mirror_stats", "zfs_xuio": "xuio_stats", // no known consumers of the XUIO interface on Linux exist "zfs_zfetch": "zfetchstats", "zfs_zil": "zil", }, }, nil }
go
func NewZFSCollector() (Collector, error) { return &zfsCollector{ linuxProcpathBase: "spl/kstat/zfs", linuxZpoolIoPath: "/*/io", linuxPathMap: map[string]string{ "zfs_abd": "abdstats", "zfs_arc": "arcstats", "zfs_dbuf": "dbuf_stats", "zfs_dmu_tx": "dmu_tx", "zfs_dnode": "dnodestats", "zfs_fm": "fm", "zfs_vdev_cache": "vdev_cache_stats", // vdev_cache is deprecated "zfs_vdev_mirror": "vdev_mirror_stats", "zfs_xuio": "xuio_stats", // no known consumers of the XUIO interface on Linux exist "zfs_zfetch": "zfetchstats", "zfs_zil": "zil", }, }, nil }
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// NewZFSCollector returns a new Collector exposing ZFS statistics.
[ "NewZFSCollector", "returns", "a", "new", "Collector", "exposing", "ZFS", "statistics", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/zfs.go#L42-L60
train
prometheus/node_exporter
collector/arp_linux.go
NewARPCollector
func NewARPCollector() (Collector, error) { return &arpCollector{ entries: prometheus.NewDesc( prometheus.BuildFQName(namespace, "arp", "entries"), "ARP entries by device", []string{"device"}, nil, ), }, nil }
go
func NewARPCollector() (Collector, error) { return &arpCollector{ entries: prometheus.NewDesc( prometheus.BuildFQName(namespace, "arp", "entries"), "ARP entries by device", []string{"device"}, nil, ), }, nil }
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// NewARPCollector returns a new Collector exposing ARP stats.
[ "NewARPCollector", "returns", "a", "new", "Collector", "exposing", "ARP", "stats", "." ]
c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4
https://github.com/prometheus/node_exporter/blob/c3ce1ea6d8a12f49033a8cd884b7e8d7d36ea6c4/collector/arp_linux.go#L37-L45
train
hybridgroup/gobot
api/basic_auth.go
BasicAuth
func BasicAuth(username, password string) http.HandlerFunc { // Inspired by https://github.com/codegangsta/martini-contrib/blob/master/auth/ return func(res http.ResponseWriter, req *http.Request) { if !secureCompare(req.Header.Get("Authorization"), "Basic "+base64.StdEncoding.EncodeToString([]byte(username+":"+password)), ) { res.Header().Set("WWW-Authenticate", "Basic realm=\"Authorization Required\"", ) http.Error(res, "Not Authorized", http.StatusUnauthorized) } } }
go
func BasicAuth(username, password string) http.HandlerFunc { // Inspired by https://github.com/codegangsta/martini-contrib/blob/master/auth/ return func(res http.ResponseWriter, req *http.Request) { if !secureCompare(req.Header.Get("Authorization"), "Basic "+base64.StdEncoding.EncodeToString([]byte(username+":"+password)), ) { res.Header().Set("WWW-Authenticate", "Basic realm=\"Authorization Required\"", ) http.Error(res, "Not Authorized", http.StatusUnauthorized) } } }
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// BasicAuth returns basic auth handler.
[ "BasicAuth", "returns", "basic", "auth", "handler", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/api/basic_auth.go#L10-L22
train
hybridgroup/gobot
platforms/nats/nats_driver.go
NewDriver
func NewDriver(a *Adaptor, topic string) *Driver { m := &Driver{ name: gobot.DefaultName("NATS"), topic: topic, connection: a, Eventer: gobot.NewEventer(), Commander: gobot.NewCommander(), } return m }
go
func NewDriver(a *Adaptor, topic string) *Driver { m := &Driver{ name: gobot.DefaultName("NATS"), topic: topic, connection: a, Eventer: gobot.NewEventer(), Commander: gobot.NewCommander(), } return m }
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// NewDriver returns a new Gobot NATS Driver
[ "NewDriver", "returns", "a", "new", "Gobot", "NATS", "Driver" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/nats/nats_driver.go#L23-L33
train
hybridgroup/gobot
platforms/nats/nats_driver.go
Publish
func (m *Driver) Publish(data interface{}) bool { message := data.([]byte) return m.adaptor().Publish(m.topic, message) }
go
func (m *Driver) Publish(data interface{}) bool { message := data.([]byte) return m.adaptor().Publish(m.topic, message) }
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// Publish a message to the current device topic
[ "Publish", "a", "message", "to", "the", "current", "device", "topic" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/nats/nats_driver.go#L67-L70
train
hybridgroup/gobot
platforms/joystick/joystick_driver.go
handleEvent
func (j *Driver) handleEvent(event sdl.Event) error { switch data := event.(type) { case *sdl.JoyAxisEvent: if data.Which == j.adaptor().joystick.InstanceID() { axis := j.findName(data.Axis, j.config.Axis) if axis == "" { return fmt.Errorf("Unknown Axis: %v", data.Axis) } j.Publish(j.Event(axis), data.Value) } case *sdl.JoyButtonEvent: if data.Which == j.adaptor().joystick.InstanceID() { button := j.findName(data.Button, j.config.Buttons) if button == "" { return fmt.Errorf("Unknown Button: %v", data.Button) } if data.State == 1 { j.Publish(j.Event(fmt.Sprintf("%s_press", button)), nil) } else { j.Publish(j.Event(fmt.Sprintf("%s_release", button)), nil) } } case *sdl.JoyHatEvent: if data.Which == j.adaptor().joystick.InstanceID() { hat := j.findHatName(data.Value, data.Hat, j.config.Hats) if hat == "" { return fmt.Errorf("Unknown Hat: %v %v", data.Hat, data.Value) } else if hat == "released" { hat = previousHat j.Publish(j.Event(fmt.Sprintf("%s_release", hat)), true) } else { previousHat = hat j.Publish(j.Event(fmt.Sprintf("%s_press", hat)), true) } } } return nil }
go
func (j *Driver) handleEvent(event sdl.Event) error { switch data := event.(type) { case *sdl.JoyAxisEvent: if data.Which == j.adaptor().joystick.InstanceID() { axis := j.findName(data.Axis, j.config.Axis) if axis == "" { return fmt.Errorf("Unknown Axis: %v", data.Axis) } j.Publish(j.Event(axis), data.Value) } case *sdl.JoyButtonEvent: if data.Which == j.adaptor().joystick.InstanceID() { button := j.findName(data.Button, j.config.Buttons) if button == "" { return fmt.Errorf("Unknown Button: %v", data.Button) } if data.State == 1 { j.Publish(j.Event(fmt.Sprintf("%s_press", button)), nil) } else { j.Publish(j.Event(fmt.Sprintf("%s_release", button)), nil) } } case *sdl.JoyHatEvent: if data.Which == j.adaptor().joystick.InstanceID() { hat := j.findHatName(data.Value, data.Hat, j.config.Hats) if hat == "" { return fmt.Errorf("Unknown Hat: %v %v", data.Hat, data.Value) } else if hat == "released" { hat = previousHat j.Publish(j.Event(fmt.Sprintf("%s_release", hat)), true) } else { previousHat = hat j.Publish(j.Event(fmt.Sprintf("%s_press", hat)), true) } } } return nil }
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// HandleEvent publishes an specific event according to data received
[ "HandleEvent", "publishes", "an", "specific", "event", "according", "to", "data", "received" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/joystick/joystick_driver.go#L171-L208
train
hybridgroup/gobot
platforms/joystick/joystick_driver.go
findHatName
func (j *Driver) findHatName(id uint8, hat uint8, list []hat) string { for _, lHat := range list { if int(id) == lHat.ID && int(hat) == lHat.Hat { return lHat.Name } } return "" }
go
func (j *Driver) findHatName(id uint8, hat uint8, list []hat) string { for _, lHat := range list { if int(id) == lHat.ID && int(hat) == lHat.Hat { return lHat.Name } } return "" }
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// findHatName returns name from hat found by id in provided list
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58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/joystick/joystick_driver.go#L220-L227
train
hybridgroup/gobot
platforms/joystick/joystick_driver.go
loadFile
func (j *Driver) loadFile() error { file, e := ioutil.ReadFile(j.configPath) if e != nil { return e } var jsontype joystickConfig json.Unmarshal(file, &jsontype) j.config = jsontype return nil }
go
func (j *Driver) loadFile() error { file, e := ioutil.ReadFile(j.configPath) if e != nil { return e } var jsontype joystickConfig json.Unmarshal(file, &jsontype) j.config = jsontype return nil }
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// loadFile load the joystick config from a .json file
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58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/joystick/joystick_driver.go#L230-L240
train
hybridgroup/gobot
sysfs/fs_mock.go
Seek
func (f *MockFile) Seek(offset int64, whence int) (ret int64, err error) { return offset, nil }
go
func (f *MockFile) Seek(offset int64, whence int) (ret int64, err error) { return offset, nil }
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// Seek seeks to a specific offset in a file
[ "Seek", "seeks", "to", "a", "specific", "offset", "in", "a", "file" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/sysfs/fs_mock.go#L48-L50
train
hybridgroup/gobot
sysfs/fs_mock.go
WriteString
func (f *MockFile) WriteString(s string) (ret int, err error) { f.Contents = s f.Seq = f.fs.next() return len(s), nil }
go
func (f *MockFile) WriteString(s string) (ret int, err error) { f.Contents = s f.Seq = f.fs.next() return len(s), nil }
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// WriteString writes s to f.Contents
[ "WriteString", "writes", "s", "to", "f", ".", "Contents" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/sysfs/fs_mock.go#L53-L57
train
hybridgroup/gobot
sysfs/fs_mock.go
Read
func (f *MockFile) Read(b []byte) (n int, err error) { if f.fs.WithReadError { return 0, readErr } count := len(b) if len(f.Contents) < count { count = len(f.Contents) } copy(b, []byte(f.Contents)[:count]) f.Seq = f.fs.next() return count, nil }
go
func (f *MockFile) Read(b []byte) (n int, err error) { if f.fs.WithReadError { return 0, readErr } count := len(b) if len(f.Contents) < count { count = len(f.Contents) } copy(b, []byte(f.Contents)[:count]) f.Seq = f.fs.next() return count, nil }
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// Read copies b bytes from f.Contents
[ "Read", "copies", "b", "bytes", "from", "f", ".", "Contents" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/sysfs/fs_mock.go#L65-L78
train
hybridgroup/gobot
sysfs/fs_mock.go
ReadAt
func (f *MockFile) ReadAt(b []byte, off int64) (n int, err error) { return f.Read(b) }
go
func (f *MockFile) ReadAt(b []byte, off int64) (n int, err error) { return f.Read(b) }
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// ReadAt calls MockFile.Read
[ "ReadAt", "calls", "MockFile", ".", "Read" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/sysfs/fs_mock.go#L81-L83
train
hybridgroup/gobot
sysfs/fs_mock.go
NewMockFilesystem
func NewMockFilesystem(files []string) *MockFilesystem { m := &MockFilesystem{ Files: make(map[string]*MockFile), } for i := range files { m.Add(files[i]) } return m }
go
func NewMockFilesystem(files []string) *MockFilesystem { m := &MockFilesystem{ Files: make(map[string]*MockFile), } for i := range files { m.Add(files[i]) } return m }
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// NewMockFilesystem returns a new MockFilesystem given a list of file paths
[ "NewMockFilesystem", "returns", "a", "new", "MockFilesystem", "given", "a", "list", "of", "file", "paths" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/sysfs/fs_mock.go#L96-L106
train
hybridgroup/gobot
sysfs/fs_mock.go
OpenFile
func (fs *MockFilesystem) OpenFile(name string, flag int, perm os.FileMode) (file File, err error) { f, ok := fs.Files[name] if ok { f.Opened = true f.Closed = false return f, nil } return (*MockFile)(nil), &os.PathError{Err: errors.New(name + ": No such file.")} }
go
func (fs *MockFilesystem) OpenFile(name string, flag int, perm os.FileMode) (file File, err error) { f, ok := fs.Files[name] if ok { f.Opened = true f.Closed = false return f, nil } return (*MockFile)(nil), &os.PathError{Err: errors.New(name + ": No such file.")} }
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// OpenFile opens file name from fs.Files, if the file does not exist it returns an os.PathError
[ "OpenFile", "opens", "file", "name", "from", "fs", ".", "Files", "if", "the", "file", "does", "not", "exist", "it", "returns", "an", "os", ".", "PathError" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/sysfs/fs_mock.go#L109-L117
train
hybridgroup/gobot
sysfs/fs_mock.go
Stat
func (fs *MockFilesystem) Stat(name string) (os.FileInfo, error) { _, ok := fs.Files[name] if ok { // return file based mock FileInfo tmpFile, err := ioutil.TempFile("", name) if err != nil { return nil, err } defer os.Remove(tmpFile.Name()) return os.Stat(tmpFile.Name()) } dirName := name + "/" for path := range fs.Files { if strings.HasPrefix(path, dirName) { // return dir based mock FileInfo tmpDir, err := ioutil.TempDir("", name) if err != nil { return nil, err } defer os.RemoveAll(tmpDir) return os.Stat(tmpDir) } } return nil, &os.PathError{Err: errors.New(name + ": No such file.")} }
go
func (fs *MockFilesystem) Stat(name string) (os.FileInfo, error) { _, ok := fs.Files[name] if ok { // return file based mock FileInfo tmpFile, err := ioutil.TempFile("", name) if err != nil { return nil, err } defer os.Remove(tmpFile.Name()) return os.Stat(tmpFile.Name()) } dirName := name + "/" for path := range fs.Files { if strings.HasPrefix(path, dirName) { // return dir based mock FileInfo tmpDir, err := ioutil.TempDir("", name) if err != nil { return nil, err } defer os.RemoveAll(tmpDir) return os.Stat(tmpDir) } } return nil, &os.PathError{Err: errors.New(name + ": No such file.")} }
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// Stat returns a generic FileInfo for all files in fs.Files. // If the file does not exist it returns an os.PathError
[ "Stat", "returns", "a", "generic", "FileInfo", "for", "all", "files", "in", "fs", ".", "Files", ".", "If", "the", "file", "does", "not", "exist", "it", "returns", "an", "os", ".", "PathError" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/sysfs/fs_mock.go#L121-L149
train
hybridgroup/gobot
sysfs/fs_mock.go
Add
func (fs *MockFilesystem) Add(name string) *MockFile { f := &MockFile{ Seq: -1, fd: uintptr(time.Now().UnixNano() & 0xffff), fs: fs, } fs.Files[name] = f return f }
go
func (fs *MockFilesystem) Add(name string) *MockFile { f := &MockFile{ Seq: -1, fd: uintptr(time.Now().UnixNano() & 0xffff), fs: fs, } fs.Files[name] = f return f }
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// Add adds a new file to fs.Files given a name, and returns the newly created file
[ "Add", "adds", "a", "new", "file", "to", "fs", ".", "Files", "given", "a", "name", "and", "returns", "the", "newly", "created", "file" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/sysfs/fs_mock.go#L152-L160
train
hybridgroup/gobot
platforms/dji/tello/crc.go
CalculateCRC8
func CalculateCRC8(pkt []byte) byte { crc := byte(0x77) for _, val := range pkt { crc = crc8table[(crc^byte(val))&0xff] } return crc }
go
func CalculateCRC8(pkt []byte) byte { crc := byte(0x77) for _, val := range pkt { crc = crc8table[(crc^byte(val))&0xff] } return crc }
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// CalculateCRC8 calculates the starting CRC8 byte for packet.
[ "CalculateCRC8", "calculates", "the", "starting", "CRC8", "byte", "for", "packet", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/dji/tello/crc.go#L23-L30
train
hybridgroup/gobot
platforms/dji/tello/crc.go
CalculateCRC16
func CalculateCRC16(pkt []byte) uint16 { crc := uint16(0x3692) for _, val := range pkt { crc = crc16table[(crc^uint16(val))&0xff] ^ (crc >> 8) } return crc }
go
func CalculateCRC16(pkt []byte) uint16 { crc := uint16(0x3692) for _, val := range pkt { crc = crc16table[(crc^uint16(val))&0xff] ^ (crc >> 8) } return crc }
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// CalculateCRC16 calculates the ending CRC16 bytes for packet.
[ "CalculateCRC16", "calculates", "the", "ending", "CRC16", "bytes", "for", "packet", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/dji/tello/crc.go#L52-L59
train
hybridgroup/gobot
drivers/spi/mcp3204.go
AnalogRead
func (d *MCP3204Driver) AnalogRead(pin string) (value int, err error) { channel, _ := strconv.Atoi(pin) value, err = d.Read(channel) if err != nil { value = int(gobot.ToScale(gobot.FromScale(float64(value), 0, 4095), 0, 1023)) } return }
go
func (d *MCP3204Driver) AnalogRead(pin string) (value int, err error) { channel, _ := strconv.Atoi(pin) value, err = d.Read(channel) if err != nil { value = int(gobot.ToScale(gobot.FromScale(float64(value), 0, 4095), 0, 1023)) } return }
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// AnalogRead returns value from analog reading of specified pin, scaled to 0-1023 value.
[ "AnalogRead", "returns", "value", "from", "analog", "reading", "of", "specified", "pin", "scaled", "to", "0", "-", "1023", "value", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/spi/mcp3204.go#L98-L106
train
hybridgroup/gobot
drivers/i2c/ads1x15_driver.go
Start
func (d *ADS1x15Driver) Start() (err error) { bus := d.GetBusOrDefault(d.connector.GetDefaultBus()) address := d.GetAddressOrDefault(ADS1x15DefaultAddress) if d.connection, err = d.connector.GetConnection(address, bus); err != nil { return err } return }
go
func (d *ADS1x15Driver) Start() (err error) { bus := d.GetBusOrDefault(d.connector.GetDefaultBus()) address := d.GetAddressOrDefault(ADS1x15DefaultAddress) if d.connection, err = d.connector.GetConnection(address, bus); err != nil { return err } return }
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// Start initializes the sensor
[ "Start", "initializes", "the", "sensor" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/ads1x15_driver.go#L148-L157
train
hybridgroup/gobot
drivers/i2c/ads1x15_driver.go
BestGainForVoltage
func (d *ADS1x15Driver) BestGainForVoltage(voltage float64) (bestGain int, err error) { var max float64 difference := math.MaxFloat64 currentBestGain := -1 for key, value := range d.gainVoltage { max = math.Max(max, value) newDiff := value - voltage if newDiff >= 0 && newDiff < difference { difference = newDiff currentBestGain = key } } if currentBestGain < 0 { err = fmt.Errorf("The maximum voltage which can be read is %f", max) return } bestGain = currentBestGain return }
go
func (d *ADS1x15Driver) BestGainForVoltage(voltage float64) (bestGain int, err error) { var max float64 difference := math.MaxFloat64 currentBestGain := -1 for key, value := range d.gainVoltage { max = math.Max(max, value) newDiff := value - voltage if newDiff >= 0 && newDiff < difference { difference = newDiff currentBestGain = key } } if currentBestGain < 0 { err = fmt.Errorf("The maximum voltage which can be read is %f", max) return } bestGain = currentBestGain return }
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// BestGainForVoltage returns the gain the most adapted to read up to the specified difference of potential.
[ "BestGainForVoltage", "returns", "the", "gain", "the", "most", "adapted", "to", "read", "up", "to", "the", "specified", "difference", "of", "potential", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/ads1x15_driver.go#L200-L221
train
hybridgroup/gobot
platforms/beaglebone/beaglebone_adaptor.go
DigitalWrite
func (b *Adaptor) DigitalWrite(pin string, val byte) (err error) { if strings.Contains(pin, "usr") { fi, e := sysfs.OpenFile(b.usrLed+pin+"/brightness", os.O_WRONLY|os.O_APPEND, 0666) defer fi.Close() if e != nil { return e } _, err = fi.WriteString(strconv.Itoa(int(val))) return err } sysfsPin, err := b.DigitalPin(pin, sysfs.OUT) if err != nil { return err } return sysfsPin.Write(int(val)) }
go
func (b *Adaptor) DigitalWrite(pin string, val byte) (err error) { if strings.Contains(pin, "usr") { fi, e := sysfs.OpenFile(b.usrLed+pin+"/brightness", os.O_WRONLY|os.O_APPEND, 0666) defer fi.Close() if e != nil { return e } _, err = fi.WriteString(strconv.Itoa(int(val))) return err } sysfsPin, err := b.DigitalPin(pin, sysfs.OUT) if err != nil { return err } return sysfsPin.Write(int(val)) }
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// DigitalWrite writes a digital value to specified pin. // valid usr pin values are usr0, usr1, usr2 and usr3
[ "DigitalWrite", "writes", "a", "digital", "value", "to", "specified", "pin", ".", "valid", "usr", "pin", "values", "are", "usr0", "usr1", "usr2", "and", "usr3" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/beaglebone/beaglebone_adaptor.go#L162-L177
train
hybridgroup/gobot
platforms/beaglebone/beaglebone_adaptor.go
DigitalPin
func (b *Adaptor) DigitalPin(pin string, dir string) (sysfsPin sysfs.DigitalPinner, err error) { b.mutex.Lock() defer b.mutex.Unlock() i, err := b.translatePin(pin) if err != nil { return } if b.digitalPins[i] == nil { b.digitalPins[i] = sysfs.NewDigitalPin(i) if err = muxPin(pin, "gpio"); err != nil { return } err := b.digitalPins[i].Export() if err != nil { return nil, err } } if err = b.digitalPins[i].Direction(dir); err != nil { return } return b.digitalPins[i], nil }
go
func (b *Adaptor) DigitalPin(pin string, dir string) (sysfsPin sysfs.DigitalPinner, err error) { b.mutex.Lock() defer b.mutex.Unlock() i, err := b.translatePin(pin) if err != nil { return } if b.digitalPins[i] == nil { b.digitalPins[i] = sysfs.NewDigitalPin(i) if err = muxPin(pin, "gpio"); err != nil { return } err := b.digitalPins[i].Export() if err != nil { return nil, err } } if err = b.digitalPins[i].Direction(dir); err != nil { return } return b.digitalPins[i], nil }
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// DigitalPin retrieves digital pin value by name
[ "DigitalPin", "retrieves", "digital", "pin", "value", "by", "name" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/beaglebone/beaglebone_adaptor.go#L180-L203
train
hybridgroup/gobot
platforms/beaglebone/beaglebone_adaptor.go
AnalogRead
func (b *Adaptor) AnalogRead(pin string) (val int, err error) { analogPin, err := b.translateAnalogPin(pin) if err != nil { return } fi, err := sysfs.OpenFile(fmt.Sprintf("%v/%v", b.analogPath, analogPin), os.O_RDONLY, 0644) defer fi.Close() if err != nil { return } var buf = make([]byte, 1024) _, err = fi.Read(buf) if err != nil { return } val, _ = strconv.Atoi(strings.Split(string(buf), "\n")[0]) return }
go
func (b *Adaptor) AnalogRead(pin string) (val int, err error) { analogPin, err := b.translateAnalogPin(pin) if err != nil { return } fi, err := sysfs.OpenFile(fmt.Sprintf("%v/%v", b.analogPath, analogPin), os.O_RDONLY, 0644) defer fi.Close() if err != nil { return } var buf = make([]byte, 1024) _, err = fi.Read(buf) if err != nil { return } val, _ = strconv.Atoi(strings.Split(string(buf), "\n")[0]) return }
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// AnalogRead returns an analog value from specified pin
[ "AnalogRead", "returns", "an", "analog", "value", "from", "specified", "pin" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/beaglebone/beaglebone_adaptor.go#L242-L262
train
hybridgroup/gobot
platforms/beaglebone/beaglebone_adaptor.go
translatePin
func (b *Adaptor) translatePin(pin string) (value int, err error) { if val, ok := b.pinMap[pin]; ok { value = val } else { err = errors.New("Not a valid pin") } return }
go
func (b *Adaptor) translatePin(pin string) (value int, err error) { if val, ok := b.pinMap[pin]; ok { value = val } else { err = errors.New("Not a valid pin") } return }
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// translatePin converts digital pin name to pin position
[ "translatePin", "converts", "digital", "pin", "name", "to", "pin", "position" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/beaglebone/beaglebone_adaptor.go#L327-L334
train
hybridgroup/gobot
platforms/beaglebone/beaglebone_adaptor.go
translateAnalogPin
func (b *Adaptor) translateAnalogPin(pin string) (value string, err error) { if val, ok := b.analogPinMap[pin]; ok { value = val } else { err = errors.New("Not a valid analog pin") } return }
go
func (b *Adaptor) translateAnalogPin(pin string) (value string, err error) { if val, ok := b.analogPinMap[pin]; ok { value = val } else { err = errors.New("Not a valid analog pin") } return }
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// translateAnalogPin converts analog pin name to pin position
[ "translateAnalogPin", "converts", "analog", "pin", "name", "to", "pin", "position" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/beaglebone/beaglebone_adaptor.go#L346-L353
train
hybridgroup/gobot
drivers/gpio/buzzer_driver.go
NewBuzzerDriver
func NewBuzzerDriver(a DigitalWriter, pin string) *BuzzerDriver { l := &BuzzerDriver{ name: gobot.DefaultName("Buzzer"), pin: pin, connection: a, high: false, BPM: 96.0, } return l }
go
func NewBuzzerDriver(a DigitalWriter, pin string) *BuzzerDriver { l := &BuzzerDriver{ name: gobot.DefaultName("Buzzer"), pin: pin, connection: a, high: false, BPM: 96.0, } return l }
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// NewBuzzerDriver return a new BuzzerDriver given a DigitalWriter and pin.
[ "NewBuzzerDriver", "return", "a", "new", "BuzzerDriver", "given", "a", "DigitalWriter", "and", "pin", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/gpio/buzzer_driver.go#L140-L150
train
hybridgroup/gobot
drivers/gpio/buzzer_driver.go
Toggle
func (l *BuzzerDriver) Toggle() (err error) { if l.State() { err = l.Off() } else { err = l.On() } return }
go
func (l *BuzzerDriver) Toggle() (err error) { if l.State() { err = l.Off() } else { err = l.On() } return }
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// Toggle sets the buzzer to the opposite of it's current state
[ "Toggle", "sets", "the", "buzzer", "to", "the", "opposite", "of", "it", "s", "current", "state" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/gpio/buzzer_driver.go#L196-L203
train
hybridgroup/gobot
utils.go
Rand
func Rand(max int) int { i, _ := rand.Int(rand.Reader, big.NewInt(int64(max))) return int(i.Int64()) }
go
func Rand(max int) int { i, _ := rand.Int(rand.Reader, big.NewInt(int64(max))) return int(i.Int64()) }
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// Rand returns a positive random int up to max
[ "Rand", "returns", "a", "positive", "random", "int", "up", "to", "max" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/utils.go#L36-L39
train
hybridgroup/gobot
utils.go
FromScale
func FromScale(input, min, max float64) float64 { return (input - math.Min(min, max)) / (math.Max(min, max) - math.Min(min, max)) }
go
func FromScale(input, min, max float64) float64 { return (input - math.Min(min, max)) / (math.Max(min, max) - math.Min(min, max)) }
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// FromScale returns a converted input from min, max to 0.0...1.0.
[ "FromScale", "returns", "a", "converted", "input", "from", "min", "max", "to", "0", ".", "0", "...", "1", ".", "0", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/utils.go#L42-L44
train
hybridgroup/gobot
utils.go
ToScale
func ToScale(input, min, max float64) float64 { i := input*(math.Max(min, max)-math.Min(min, max)) + math.Min(min, max) if i < math.Min(min, max) { return math.Min(min, max) } else if i > math.Max(min, max) { return math.Max(min, max) } else { return i } }
go
func ToScale(input, min, max float64) float64 { i := input*(math.Max(min, max)-math.Min(min, max)) + math.Min(min, max) if i < math.Min(min, max) { return math.Min(min, max) } else if i > math.Max(min, max) { return math.Max(min, max) } else { return i } }
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// ToScale returns a converted input from 0...1 to min...max scale. // If input is less than min then ToScale returns min. // If input is greater than max then ToScale returns max
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58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/utils.go#L49-L58
train
hybridgroup/gobot
utils.go
Rescale
func Rescale(input, fromMin, fromMax, toMin, toMax float64) float64 { return (input-fromMin)*(toMax-toMin)/(fromMax-fromMin) + toMin }
go
func Rescale(input, fromMin, fromMax, toMin, toMax float64) float64 { return (input-fromMin)*(toMax-toMin)/(fromMax-fromMin) + toMin }
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// Rescale performs a direct linear rescaling of a number from one scale to another.
[ "Rescale", "performs", "a", "direct", "linear", "rescaling", "of", "a", "number", "from", "one", "scale", "to", "another", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/utils.go#L61-L63
train
hybridgroup/gobot
utils.go
DefaultName
func DefaultName(name string) string { return fmt.Sprintf("%s-%X", name, Rand(int(^uint(0)>>1))) }
go
func DefaultName(name string) string { return fmt.Sprintf("%s-%X", name, Rand(int(^uint(0)>>1))) }
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// DefaultName returns a sensible random default name // for a robot, adaptor or driver
[ "DefaultName", "returns", "a", "sensible", "random", "default", "name", "for", "a", "robot", "adaptor", "or", "driver" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/utils.go#L67-L69
train
hybridgroup/gobot
drivers/i2c/grovepi_driver.go
Start
func (d *GrovePiDriver) Start() (err error) { bus := d.GetBusOrDefault(d.connector.GetDefaultBus()) address := d.GetAddressOrDefault(grovePiAddress) d.connection, err = d.connector.GetConnection(address, bus) if err != nil { return err } return }
go
func (d *GrovePiDriver) Start() (err error) { bus := d.GetBusOrDefault(d.connector.GetDefaultBus()) address := d.GetAddressOrDefault(grovePiAddress) d.connection, err = d.connector.GetConnection(address, bus) if err != nil { return err } return }
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// Start initialized the GrovePi
[ "Start", "initialized", "the", "GrovePi" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/grovepi_driver.go#L73-L83
train
hybridgroup/gobot
drivers/i2c/grovepi_driver.go
AnalogRead
func (d *GrovePiDriver) AnalogRead(pin string) (value int, err error) { pin = getPin(pin) var pinNum int pinNum, err = strconv.Atoi(pin) if err != nil { return } value, err = d.readAnalog(byte(pinNum)) return }
go
func (d *GrovePiDriver) AnalogRead(pin string) (value int, err error) { pin = getPin(pin) var pinNum int pinNum, err = strconv.Atoi(pin) if err != nil { return } value, err = d.readAnalog(byte(pinNum)) return }
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// AnalogRead returns value from analog pin implementing the AnalogReader interface.
[ "AnalogRead", "returns", "value", "from", "analog", "pin", "implementing", "the", "AnalogReader", "interface", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/grovepi_driver.go#L99-L111
train
hybridgroup/gobot
drivers/i2c/grovepi_driver.go
DigitalRead
func (d *GrovePiDriver) DigitalRead(pin string) (val int, err error) { pin = getPin(pin) var pinNum int pinNum, err = strconv.Atoi(pin) if err != nil { return } if dir, ok := d.digitalPins[pinNum]; !ok || dir != "input" { d.PinMode(byte(pinNum), "input") d.digitalPins[pinNum] = "input" } val, err = d.readDigital(byte(pinNum)) return }
go
func (d *GrovePiDriver) DigitalRead(pin string) (val int, err error) { pin = getPin(pin) var pinNum int pinNum, err = strconv.Atoi(pin) if err != nil { return } if dir, ok := d.digitalPins[pinNum]; !ok || dir != "input" { d.PinMode(byte(pinNum), "input") d.digitalPins[pinNum] = "input" } val, err = d.readDigital(byte(pinNum)) return }
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// DigitalRead performs a read on a digital pin.
[ "DigitalRead", "performs", "a", "read", "on", "a", "digital", "pin", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/grovepi_driver.go#L114-L131
train
hybridgroup/gobot
drivers/i2c/grovepi_driver.go
WriteAnalog
func (d *GrovePiDriver) WriteAnalog(pin byte, val byte) error { buf := []byte{CommandWriteAnalog, pin, val, 0} _, err := d.connection.Write(buf) time.Sleep(2 * time.Millisecond) data := make([]byte, 1) _, err = d.connection.Read(data) return err }
go
func (d *GrovePiDriver) WriteAnalog(pin byte, val byte) error { buf := []byte{CommandWriteAnalog, pin, val, 0} _, err := d.connection.Write(buf) time.Sleep(2 * time.Millisecond) data := make([]byte, 1) _, err = d.connection.Read(data) return err }
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// WriteAnalog writes PWM aka analog to the GrovePi. Not yet working.
[ "WriteAnalog", "writes", "PWM", "aka", "analog", "to", "the", "GrovePi", ".", "Not", "yet", "working", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/grovepi_driver.go#L154-L164
train
hybridgroup/gobot
drivers/i2c/grovepi_driver.go
PinMode
func (d *GrovePiDriver) PinMode(pin byte, mode string) error { var b []byte if mode == "output" { b = []byte{CommandPinMode, pin, 1, 0} } else { b = []byte{CommandPinMode, pin, 0, 0} } _, err := d.connection.Write(b) time.Sleep(2 * time.Millisecond) _, err = d.connection.ReadByte() return err }
go
func (d *GrovePiDriver) PinMode(pin byte, mode string) error { var b []byte if mode == "output" { b = []byte{CommandPinMode, pin, 1, 0} } else { b = []byte{CommandPinMode, pin, 0, 0} } _, err := d.connection.Write(b) time.Sleep(2 * time.Millisecond) _, err = d.connection.ReadByte() return err }
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// PinMode sets the pin mode to input or output.
[ "PinMode", "sets", "the", "pin", "mode", "to", "input", "or", "output", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/grovepi_driver.go#L167-L181
train
hybridgroup/gobot
drivers/i2c/grovepi_driver.go
readAnalog
func (d *GrovePiDriver) readAnalog(pin byte) (int, error) { b := []byte{CommandReadAnalog, pin, 0, 0} _, err := d.connection.Write(b) if err != nil { return 0, err } time.Sleep(2 * time.Millisecond) data := make([]byte, 3) _, err = d.connection.Read(data) if err != nil || data[0] != CommandReadAnalog { return -1, err } v1 := int(data[1]) v2 := int(data[2]) return ((v1 * 256) + v2), nil }
go
func (d *GrovePiDriver) readAnalog(pin byte) (int, error) { b := []byte{CommandReadAnalog, pin, 0, 0} _, err := d.connection.Write(b) if err != nil { return 0, err } time.Sleep(2 * time.Millisecond) data := make([]byte, 3) _, err = d.connection.Read(data) if err != nil || data[0] != CommandReadAnalog { return -1, err } v1 := int(data[1]) v2 := int(data[2]) return ((v1 * 256) + v2), nil }
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// readAnalog reads analog value from the GrovePi.
[ "readAnalog", "reads", "analog", "value", "from", "the", "GrovePi", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/grovepi_driver.go#L194-L212
train
hybridgroup/gobot
drivers/i2c/grovepi_driver.go
readDigital
func (d *GrovePiDriver) readDigital(pin byte) (val int, err error) { buf := []byte{CommandReadDigital, pin, 0, 0} _, err = d.connection.Write(buf) if err != nil { return } time.Sleep(2 * time.Millisecond) data := make([]byte, 2) _, err = d.connection.Read(data) if err != nil || data[0] != CommandReadDigital { return 0, err } return int(data[1]), err }
go
func (d *GrovePiDriver) readDigital(pin byte) (val int, err error) { buf := []byte{CommandReadDigital, pin, 0, 0} _, err = d.connection.Write(buf) if err != nil { return } time.Sleep(2 * time.Millisecond) data := make([]byte, 2) _, err = d.connection.Read(data) if err != nil || data[0] != CommandReadDigital { return 0, err } return int(data[1]), err }
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// readDigital reads digitally from the GrovePi.
[ "readDigital", "reads", "digitally", "from", "the", "GrovePi", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/grovepi_driver.go#L215-L231
train
hybridgroup/gobot
drivers/i2c/grovepi_driver.go
writeDigital
func (d *GrovePiDriver) writeDigital(pin byte, val byte) error { buf := []byte{CommandWriteDigital, pin, val, 0} _, err := d.connection.Write(buf) time.Sleep(2 * time.Millisecond) _, err = d.connection.ReadByte() return err }
go
func (d *GrovePiDriver) writeDigital(pin byte, val byte) error { buf := []byte{CommandWriteDigital, pin, val, 0} _, err := d.connection.Write(buf) time.Sleep(2 * time.Millisecond) _, err = d.connection.ReadByte() return err }
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// writeDigital writes digitally to the GrovePi.
[ "writeDigital", "writes", "digitally", "to", "the", "GrovePi", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/grovepi_driver.go#L234-L243
train
hybridgroup/gobot
drivers/i2c/i2c.go
NewConnection
func NewConnection(bus I2cDevice, address int) (connection *i2cConnection) { return &i2cConnection{bus: bus, address: address, mutex: &sync.Mutex{}} }
go
func NewConnection(bus I2cDevice, address int) (connection *i2cConnection) { return &i2cConnection{bus: bus, address: address, mutex: &sync.Mutex{}} }
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// NewConnection creates and returns a new connection to a specific // i2c device on a bus and address.
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58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/i2c.go#L73-L75
train
hybridgroup/gobot
drivers/i2c/i2c.go
Read
func (c *i2cConnection) Read(data []byte) (read int, err error) { c.mutex.Lock() defer c.mutex.Unlock() if err = c.bus.SetAddress(c.address); err != nil { return 0, err } read, err = c.bus.Read(data) return }
go
func (c *i2cConnection) Read(data []byte) (read int, err error) { c.mutex.Lock() defer c.mutex.Unlock() if err = c.bus.SetAddress(c.address); err != nil { return 0, err } read, err = c.bus.Read(data) return }
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// Read data from an i2c device.
[ "Read", "data", "from", "an", "i2c", "device", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/i2c.go#L78-L87
train
hybridgroup/gobot
drivers/i2c/i2c.go
Write
func (c *i2cConnection) Write(data []byte) (written int, err error) { c.mutex.Lock() defer c.mutex.Unlock() if err = c.bus.SetAddress(c.address); err != nil { return 0, err } written, err = c.bus.Write(data) return }
go
func (c *i2cConnection) Write(data []byte) (written int, err error) { c.mutex.Lock() defer c.mutex.Unlock() if err = c.bus.SetAddress(c.address); err != nil { return 0, err } written, err = c.bus.Write(data) return }
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// Write data to an i2c device.
[ "Write", "data", "to", "an", "i2c", "device", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/i2c.go#L90-L99
train
hybridgroup/gobot
drivers/i2c/i2c.go
Close
func (c *i2cConnection) Close() error { c.mutex.Lock() defer c.mutex.Unlock() return c.bus.Close() }
go
func (c *i2cConnection) Close() error { c.mutex.Lock() defer c.mutex.Unlock() return c.bus.Close() }
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// Close connection to i2c device.
[ "Close", "connection", "to", "i2c", "device", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/i2c.go#L102-L107
train
hybridgroup/gobot
drivers/i2c/i2c.go
ReadByte
func (c *i2cConnection) ReadByte() (val byte, err error) { c.mutex.Lock() defer c.mutex.Unlock() if err := c.bus.SetAddress(c.address); err != nil { return 0, err } return c.bus.ReadByte() }
go
func (c *i2cConnection) ReadByte() (val byte, err error) { c.mutex.Lock() defer c.mutex.Unlock() if err := c.bus.SetAddress(c.address); err != nil { return 0, err } return c.bus.ReadByte() }
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// ReadByte reads a single byte from the i2c device.
[ "ReadByte", "reads", "a", "single", "byte", "from", "the", "i2c", "device", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/i2c.go#L110-L118
train
hybridgroup/gobot
drivers/i2c/i2c.go
WriteByteData
func (c *i2cConnection) WriteByteData(reg uint8, val uint8) (err error) { c.mutex.Lock() defer c.mutex.Unlock() if err := c.bus.SetAddress(c.address); err != nil { return err } return c.bus.WriteByteData(reg, val) }
go
func (c *i2cConnection) WriteByteData(reg uint8, val uint8) (err error) { c.mutex.Lock() defer c.mutex.Unlock() if err := c.bus.SetAddress(c.address); err != nil { return err } return c.bus.WriteByteData(reg, val) }
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// WriteByteData writes a byte value to a register on the i2c device.
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58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/i2c.go#L154-L162
train
hybridgroup/gobot
drivers/i2c/i2c.go
WriteBlockData
func (c *i2cConnection) WriteBlockData(reg uint8, b []byte) (err error) { c.mutex.Lock() defer c.mutex.Unlock() if err := c.bus.SetAddress(c.address); err != nil { return err } return c.bus.WriteBlockData(reg, b) }
go
func (c *i2cConnection) WriteBlockData(reg uint8, b []byte) (err error) { c.mutex.Lock() defer c.mutex.Unlock() if err := c.bus.SetAddress(c.address); err != nil { return err } return c.bus.WriteBlockData(reg, b) }
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// WriteBlockData writes a block of bytes to a register on the i2c device.
[ "WriteBlockData", "writes", "a", "block", "of", "bytes", "to", "a", "register", "on", "the", "i2c", "device", "." ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/i2c/i2c.go#L176-L184
train
hybridgroup/gobot
platforms/raspi/raspi_adaptor.go
NewAdaptor
func NewAdaptor() *Adaptor { r := &Adaptor{ mutex: &sync.Mutex{}, name: gobot.DefaultName("RaspberryPi"), digitalPins: make(map[int]*sysfs.DigitalPin), pwmPins: make(map[int]*PWMPin), PiBlasterPeriod: 10000000, } content, _ := readFile() for _, v := range strings.Split(string(content), "\n") { if strings.Contains(v, "Revision") { s := strings.Split(string(v), " ") version, _ := strconv.ParseInt("0x"+s[len(s)-1], 0, 64) r.i2cDefaultBus = 1 r.spiDefaultBus = 0 r.spiDefaultChip = 0 r.spiDefaultMode = 0 r.spiDefaultMaxSpeed = 500000 if version <= 3 { r.revision = "1" r.i2cDefaultBus = 0 } else if version <= 15 { r.revision = "2" } else { r.revision = "3" } } } return r }
go
func NewAdaptor() *Adaptor { r := &Adaptor{ mutex: &sync.Mutex{}, name: gobot.DefaultName("RaspberryPi"), digitalPins: make(map[int]*sysfs.DigitalPin), pwmPins: make(map[int]*PWMPin), PiBlasterPeriod: 10000000, } content, _ := readFile() for _, v := range strings.Split(string(content), "\n") { if strings.Contains(v, "Revision") { s := strings.Split(string(v), " ") version, _ := strconv.ParseInt("0x"+s[len(s)-1], 0, 64) r.i2cDefaultBus = 1 r.spiDefaultBus = 0 r.spiDefaultChip = 0 r.spiDefaultMode = 0 r.spiDefaultMaxSpeed = 500000 if version <= 3 { r.revision = "1" r.i2cDefaultBus = 0 } else if version <= 15 { r.revision = "2" } else { r.revision = "3" } } } return r }
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// NewAdaptor creates a Raspi Adaptor
[ "NewAdaptor", "creates", "a", "Raspi", "Adaptor" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/raspi/raspi_adaptor.go#L41-L71
train
hybridgroup/gobot
platforms/raspi/raspi_adaptor.go
Name
func (r *Adaptor) Name() string { r.mutex.Lock() defer r.mutex.Unlock() return r.name }
go
func (r *Adaptor) Name() string { r.mutex.Lock() defer r.mutex.Unlock() return r.name }
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// Name returns the Adaptor's name
[ "Name", "returns", "the", "Adaptor", "s", "name" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/raspi/raspi_adaptor.go#L74-L79
train
hybridgroup/gobot
platforms/raspi/raspi_adaptor.go
SetName
func (r *Adaptor) SetName(n string) { r.mutex.Lock() defer r.mutex.Unlock() r.name = n }
go
func (r *Adaptor) SetName(n string) { r.mutex.Lock() defer r.mutex.Unlock() r.name = n }
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// SetName sets the Adaptor's name
[ "SetName", "sets", "the", "Adaptor", "s", "name" ]
58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/raspi/raspi_adaptor.go#L82-L87
train
hybridgroup/gobot
platforms/raspi/raspi_adaptor.go
DigitalWrite
func (r *Adaptor) DigitalWrite(pin string, val byte) (err error) { sysfsPin, err := r.DigitalPin(pin, sysfs.OUT) if err != nil { return err } return sysfsPin.Write(int(val)) }
go
func (r *Adaptor) DigitalWrite(pin string, val byte) (err error) { sysfsPin, err := r.DigitalPin(pin, sysfs.OUT) if err != nil { return err } return sysfsPin.Write(int(val)) }
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// DigitalWrite writes digital value to specified pin
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58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/raspi/raspi_adaptor.go#L176-L182
train
hybridgroup/gobot
platforms/raspi/raspi_adaptor.go
PWMPin
func (r *Adaptor) PWMPin(pin string) (raspiPWMPin sysfs.PWMPinner, err error) { i, err := r.translatePin(pin) if err != nil { return } r.mutex.Lock() defer r.mutex.Unlock() if r.pwmPins[i] == nil { r.pwmPins[i] = NewPWMPin(strconv.Itoa(i)) r.pwmPins[i].SetPeriod(r.PiBlasterPeriod) } return r.pwmPins[i], nil }
go
func (r *Adaptor) PWMPin(pin string) (raspiPWMPin sysfs.PWMPinner, err error) { i, err := r.translatePin(pin) if err != nil { return } r.mutex.Lock() defer r.mutex.Unlock() if r.pwmPins[i] == nil { r.pwmPins[i] = NewPWMPin(strconv.Itoa(i)) r.pwmPins[i].SetPeriod(r.PiBlasterPeriod) } return r.pwmPins[i], nil }
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// PWMPin returns a raspi.PWMPin which provides the sysfs.PWMPinner interface
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58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/platforms/raspi/raspi_adaptor.go#L255-L270
train
hybridgroup/gobot
drivers/gpio/aip1640_driver.go
NewAIP1640Driver
func NewAIP1640Driver(a gobot.Connection, clockPin string, dataPin string) *AIP1640Driver { t := &AIP1640Driver{ name: gobot.DefaultName("AIP1640Driver"), pinClock: NewDirectPinDriver(a, clockPin), pinData: NewDirectPinDriver(a, dataPin), intensity: 7, connection: a, Commander: gobot.NewCommander(), } /* TODO : Add commands */ return t }
go
func NewAIP1640Driver(a gobot.Connection, clockPin string, dataPin string) *AIP1640Driver { t := &AIP1640Driver{ name: gobot.DefaultName("AIP1640Driver"), pinClock: NewDirectPinDriver(a, clockPin), pinData: NewDirectPinDriver(a, dataPin), intensity: 7, connection: a, Commander: gobot.NewCommander(), } /* TODO : Add commands */ return t }
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// NewAIP1640Driver return a new AIP1640Driver given a gobot.Connection and the clock, data and strobe pins
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58db149a40a113aec7d6068fb9418b7e05de1802
https://github.com/hybridgroup/gobot/blob/58db149a40a113aec7d6068fb9418b7e05de1802/drivers/gpio/aip1640_driver.go#L34-L47
train