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<html><head><title>dlib C++ Library - bridge.h</title></head><body bgcolor='white'><pre> |
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<font color='#009900'>// Copyright (C) 2011 Davis E. King ([email protected]) |
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</font><font color='#009900'>// License: Boost Software License See LICENSE.txt for the full license. |
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</font><font color='#0000FF'>#ifndef</font> DLIB_BRIDGe_Hh_ |
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<font color='#0000FF'>#define</font> DLIB_BRIDGe_Hh_ |
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>iostream<font color='#5555FF'>></font> |
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>memory<font color='#5555FF'>></font> |
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>string<font color='#5555FF'>></font> |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='bridge_abstract.h.html'>bridge_abstract.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../pipe.h.html'>../pipe.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../threads.h.html'>../threads.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../serialize.h.html'>../serialize.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../sockets.h.html'>../sockets.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../sockstreambuf.h.html'>../sockstreambuf.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../logger.h.html'>../logger.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../algs.h.html'>../algs.h</a>" |
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<font color='#0000FF'>namespace</font> dlib |
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<b>{</b> |
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<font color='#009900'>// ---------------------------------------------------------------------------------------- |
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</font> |
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<font color='#0000FF'>struct</font> <b><a name='connect_to_ip_and_port'></a>connect_to_ip_and_port</b> |
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<b>{</b> |
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<b><a name='connect_to_ip_and_port'></a>connect_to_ip_and_port</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> std::string<font color='#5555FF'>&</font> ip_, |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>short</u></font> port_ |
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<font face='Lucida Console'>)</font>: ip<font face='Lucida Console'>(</font>ip_<font face='Lucida Console'>)</font>, port<font face='Lucida Console'>(</font>port_<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#009900'>// make sure requires clause is not broken |
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</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font><font color='#BB00BB'>is_ip_address</font><font face='Lucida Console'>(</font>ip<font face='Lucida Console'>)</font> <font color='#5555FF'>&</font><font color='#5555FF'>&</font> port <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font>, |
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"<font color='#CC0000'>\t connect_to_ip_and_port()</font>" |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t Invalid inputs were given to this function</font>" |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t ip: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> ip |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t port: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> port |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t this: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font> |
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<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>private</font>: |
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<font color='#0000FF'>friend</font> <font color='#0000FF'>class</font> bridge; |
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<font color='#0000FF'>const</font> std::string ip; |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>short</u></font> port; |
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<b>}</b>; |
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<font color='#0000FF'>inline</font> connect_to_ip_and_port <b><a name='connect_to'></a>connect_to</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> network_address<font color='#5555FF'>&</font> addr |
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<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#009900'>// make sure requires clause is not broken |
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</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font>addr.port <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font>, |
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"<font color='#CC0000'>\t connect_to_ip_and_port()</font>" |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t The TCP port to connect to can't be 0.</font>" |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t addr.port: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> addr.port |
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<font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#BB00BB'>is_ip_address</font><font face='Lucida Console'>(</font>addr.host_address<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>connect_to_ip_and_port</font><font face='Lucida Console'>(</font>addr.host_address, addr.port<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>else</font> |
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<b>{</b> |
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std::string ip; |
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<font color='#0000FF'>if</font><font face='Lucida Console'>(</font><font color='#BB00BB'>hostname_to_ip</font><font face='Lucida Console'>(</font>addr.host_address,ip<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
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<font color='#0000FF'>throw</font> <font color='#BB00BB'>socket_error</font><font face='Lucida Console'>(</font>ERESOLVE,"<font color='#CC0000'>unable to resolve '</font>" <font color='#5555FF'>+</font> addr.host_address <font color='#5555FF'>+</font> "<font color='#CC0000'>' in connect_to()</font>"<font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>connect_to_ip_and_port</font><font face='Lucida Console'>(</font>ip, addr.port<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<b>}</b> |
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<font color='#0000FF'>struct</font> <b><a name='listen_on_port'></a>listen_on_port</b> |
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<b>{</b> |
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<b><a name='listen_on_port'></a>listen_on_port</b><font face='Lucida Console'>(</font> |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>short</u></font> port_ |
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<font face='Lucida Console'>)</font> : port<font face='Lucida Console'>(</font>port_<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#009900'>// make sure requires clause is not broken |
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</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font> port <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font>, |
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"<font color='#CC0000'>\t listen_on_port()</font>" |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t Invalid inputs were given to this function</font>" |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t port: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> port |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t this: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font> |
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<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>private</font>: |
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<font color='#0000FF'>friend</font> <font color='#0000FF'>class</font> bridge; |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>short</u></font> port; |
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<b>}</b>; |
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font><font color='#0000FF'>typename</font> pipe_type<font color='#5555FF'>></font> |
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<font color='#0000FF'>struct</font> <b><a name='bridge_transmit_decoration'></a>bridge_transmit_decoration</b> |
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<b>{</b> |
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<b><a name='bridge_transmit_decoration'></a>bridge_transmit_decoration</b> <font face='Lucida Console'>(</font> |
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pipe_type<font color='#5555FF'>&</font> p_ |
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<font face='Lucida Console'>)</font> : p<font face='Lucida Console'>(</font>p_<font face='Lucida Console'>)</font> <b>{</b><b>}</b> |
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<font color='#0000FF'>private</font>: |
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<font color='#0000FF'>friend</font> <font color='#0000FF'>class</font> bridge; |
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pipe_type<font color='#5555FF'>&</font> p; |
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<b>}</b>; |
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font><font color='#0000FF'>typename</font> pipe_type<font color='#5555FF'>></font> |
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bridge_transmit_decoration<font color='#5555FF'><</font>pipe_type<font color='#5555FF'>></font> <b><a name='transmit'></a>transmit</b> <font face='Lucida Console'>(</font> pipe_type<font color='#5555FF'>&</font> p<font face='Lucida Console'>)</font> <b>{</b> <font color='#0000FF'>return</font> bridge_transmit_decoration<font color='#5555FF'><</font>pipe_type<font color='#5555FF'>></font><font face='Lucida Console'>(</font>p<font face='Lucida Console'>)</font>; <b>}</b> |
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font><font color='#0000FF'>typename</font> pipe_type<font color='#5555FF'>></font> |
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<font color='#0000FF'>struct</font> <b><a name='bridge_receive_decoration'></a>bridge_receive_decoration</b> |
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<b>{</b> |
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<b><a name='bridge_receive_decoration'></a>bridge_receive_decoration</b> <font face='Lucida Console'>(</font> |
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pipe_type<font color='#5555FF'>&</font> p_ |
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<font face='Lucida Console'>)</font> : p<font face='Lucida Console'>(</font>p_<font face='Lucida Console'>)</font> <b>{</b><b>}</b> |
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<font color='#0000FF'>private</font>: |
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<font color='#0000FF'>friend</font> <font color='#0000FF'>class</font> bridge; |
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pipe_type<font color='#5555FF'>&</font> p; |
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<b>}</b>; |
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font><font color='#0000FF'>typename</font> pipe_type<font color='#5555FF'>></font> |
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bridge_receive_decoration<font color='#5555FF'><</font>pipe_type<font color='#5555FF'>></font> <b><a name='receive'></a>receive</b> <font face='Lucida Console'>(</font> pipe_type<font color='#5555FF'>&</font> p<font face='Lucida Console'>)</font> <b>{</b> <font color='#0000FF'>return</font> bridge_receive_decoration<font color='#5555FF'><</font>pipe_type<font color='#5555FF'>></font><font face='Lucida Console'>(</font>p<font face='Lucida Console'>)</font>; <b>}</b> |
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<font color='#009900'>// ---------------------------------------------------------------------------------------- |
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</font> |
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<font color='#0000FF'>struct</font> <b><a name='bridge_status'></a>bridge_status</b> |
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<b>{</b> |
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<b><a name='bridge_status'></a>bridge_status</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> : is_connected<font face='Lucida Console'>(</font><font color='#979000'>false</font><font face='Lucida Console'>)</font>, foreign_port<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font><b>{</b><b>}</b> |
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<font color='#0000FF'><u>bool</u></font> is_connected; |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>short</u></font> foreign_port; |
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std::string foreign_ip; |
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<b>}</b>; |
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<font color='#0000FF'>inline</font> <font color='#0000FF'><u>void</u></font> <b><a name='serialize'></a>serialize</b> <font face='Lucida Console'>(</font> <font color='#0000FF'>const</font> bridge_status<font color='#5555FF'>&</font> , std::ostream<font color='#5555FF'>&</font> <font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'>throw</font> <font color='#BB00BB'>serialization_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>It is illegal to serialize bridge_status objects.</font>"<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>inline</font> <font color='#0000FF'><u>void</u></font> <b><a name='deserialize'></a>deserialize</b> <font face='Lucida Console'>(</font> bridge_status<font color='#5555FF'>&</font> , std::istream<font color='#5555FF'>&</font> <font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'>throw</font> <font color='#BB00BB'>serialization_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>It is illegal to serialize bridge_status objects.</font>"<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#009900'>// ---------------------------------------------------------------------------------------- |
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</font> |
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<font color='#0000FF'>namespace</font> impl_brns |
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<b>{</b> |
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<font color='#0000FF'>class</font> <b><a name='impl_bridge_base'></a>impl_bridge_base</b> |
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<b>{</b> |
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<font color='#0000FF'>public</font>: |
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<font color='#0000FF'>virtual</font> ~<b><a name='impl_bridge_base'></a>impl_bridge_base</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <b>{</b><b>}</b> |
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<font color='#0000FF'>virtual</font> bridge_status <b><a name='get_bridge_status'></a>get_bridge_status</b> <font face='Lucida Console'>(</font> |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <font color='#5555FF'>=</font> <font color='#979000'>0</font>; |
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<b>}</b>; |
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font> |
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<font color='#0000FF'>typename</font> transmit_pipe_type, |
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<font color='#0000FF'>typename</font> receive_pipe_type |
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<font color='#5555FF'>></font> |
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<font color='#0000FF'>class</font> <b><a name='impl_bridge'></a>impl_bridge</b> : <font color='#0000FF'>public</font> impl_bridge_base, <font color='#0000FF'>private</font> noncopyable, <font color='#0000FF'>private</font> multithreaded_object |
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<b>{</b> |
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<font color='#009900'>/*! |
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CONVENTION |
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- if (list) then |
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- this object is supposed to be listening on the list object for incoming |
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connections when not connected. |
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- else |
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- this object is supposed to be attempting to connect to ip:port when |
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not connected. |
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- get_bridge_status() == current_bs |
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!*/</font> |
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<font color='#0000FF'>public</font>: |
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<b><a name='impl_bridge'></a>impl_bridge</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>short</u></font> listen_port, |
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transmit_pipe_type<font color='#5555FF'>*</font> transmit_pipe_, |
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receive_pipe_type<font color='#5555FF'>*</font> receive_pipe_ |
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<font face='Lucida Console'>)</font> : |
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s<font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>, |
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receive_thread_active<font face='Lucida Console'>(</font><font color='#979000'>false</font><font face='Lucida Console'>)</font>, |
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transmit_thread_active<font face='Lucida Console'>(</font><font color='#979000'>false</font><font face='Lucida Console'>)</font>, |
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port<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>, |
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transmit_pipe<font face='Lucida Console'>(</font>transmit_pipe_<font face='Lucida Console'>)</font>, |
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receive_pipe<font face='Lucida Console'>(</font>receive_pipe_<font face='Lucida Console'>)</font>, |
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dlog<font face='Lucida Console'>(</font>"<font color='#CC0000'>dlib.bridge</font>"<font face='Lucida Console'>)</font>, |
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keepalive_code<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>, |
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message_code<font face='Lucida Console'>(</font><font color='#979000'>1</font><font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'><u>int</u></font> status <font color='#5555FF'>=</font> <font color='#BB00BB'>create_listener</font><font face='Lucida Console'>(</font>list, listen_port<font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>status <font color='#5555FF'>=</font><font color='#5555FF'>=</font> PORTINUSE<font face='Lucida Console'>)</font> |
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<b>{</b> |
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std::ostringstream sout; |
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sout <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>Error, the port </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> listen_port <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'> is already in use.</font>"; |
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<font color='#0000FF'>throw</font> <font color='#BB00BB'>socket_error</font><font face='Lucida Console'>(</font>EPORT_IN_USE, sout.<font color='#BB00BB'>str</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>status <font color='#5555FF'>=</font><font color='#5555FF'>=</font> OTHER_ERROR<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'>throw</font> <font color='#BB00BB'>socket_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unable to create listening socket for an unknown reason.</font>"<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#BB00BB'>register_thread</font><font face='Lucida Console'>(</font><font color='#5555FF'>*</font><font color='#0000FF'>this</font>, <font color='#5555FF'>&</font>impl_bridge::transmit_thread<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>register_thread</font><font face='Lucida Console'>(</font><font color='#5555FF'>*</font><font color='#0000FF'>this</font>, <font color='#5555FF'>&</font>impl_bridge::receive_thread<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>register_thread</font><font face='Lucida Console'>(</font><font color='#5555FF'>*</font><font color='#0000FF'>this</font>, <font color='#5555FF'>&</font>impl_bridge::connect_thread<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>start</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<b><a name='impl_bridge'></a>impl_bridge</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> std::string ip_, |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>short</u></font> port_, |
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transmit_pipe_type<font color='#5555FF'>*</font> transmit_pipe_, |
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receive_pipe_type<font color='#5555FF'>*</font> receive_pipe_ |
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<font face='Lucida Console'>)</font> : |
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s<font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>, |
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receive_thread_active<font face='Lucida Console'>(</font><font color='#979000'>false</font><font face='Lucida Console'>)</font>, |
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transmit_thread_active<font face='Lucida Console'>(</font><font color='#979000'>false</font><font face='Lucida Console'>)</font>, |
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port<font face='Lucida Console'>(</font>port_<font face='Lucida Console'>)</font>, |
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ip<font face='Lucida Console'>(</font>ip_<font face='Lucida Console'>)</font>, |
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transmit_pipe<font face='Lucida Console'>(</font>transmit_pipe_<font face='Lucida Console'>)</font>, |
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receive_pipe<font face='Lucida Console'>(</font>receive_pipe_<font face='Lucida Console'>)</font>, |
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dlog<font face='Lucida Console'>(</font>"<font color='#CC0000'>dlib.bridge</font>"<font face='Lucida Console'>)</font>, |
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keepalive_code<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>, |
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message_code<font face='Lucida Console'>(</font><font color='#979000'>1</font><font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#BB00BB'>register_thread</font><font face='Lucida Console'>(</font><font color='#5555FF'>*</font><font color='#0000FF'>this</font>, <font color='#5555FF'>&</font>impl_bridge::transmit_thread<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>register_thread</font><font face='Lucida Console'>(</font><font color='#5555FF'>*</font><font color='#0000FF'>this</font>, <font color='#5555FF'>&</font>impl_bridge::receive_thread<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>register_thread</font><font face='Lucida Console'>(</font><font color='#5555FF'>*</font><font color='#0000FF'>this</font>, <font color='#5555FF'>&</font>impl_bridge::connect_thread<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>start</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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~<b><a name='impl_bridge'></a>impl_bridge</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#009900'>// tell the threads to terminate |
|
</font> <font color='#BB00BB'>stop</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
|
|
<font color='#009900'>// save current pipe enabled status so we can restore it to however |
|
</font> <font color='#009900'>// it was before this destructor ran. |
|
</font> <font color='#0000FF'><u>bool</u></font> transmit_enabled <font color='#5555FF'>=</font> <font color='#979000'>true</font>; |
|
<font color='#0000FF'><u>bool</u></font> receive_enabled <font color='#5555FF'>=</font> <font color='#979000'>true</font>; |
|
|
|
<font color='#009900'>// make any calls blocked on a pipe return immediately. |
|
</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>transmit_pipe<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
transmit_enabled <font color='#5555FF'>=</font> transmit_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>is_dequeue_enabled</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
transmit_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>disable_dequeue</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>receive_pipe<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
receive_enabled <font color='#5555FF'>=</font> receive_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>is_enqueue_enabled</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
receive_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>disable_enqueue</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
<b>{</b> |
|
auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>; |
|
s.<font color='#BB00BB'>broadcast</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<font color='#009900'>// Shutdown the connection if we have one. This will cause |
|
</font> <font color='#009900'>// all blocked I/O calls to return an error. |
|
</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>con<font face='Lucida Console'>)</font> |
|
con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>shutdown</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
<font color='#009900'>// wait for all the threads to terminate. |
|
</font> <font color='#BB00BB'>wait</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
|
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>transmit_pipe <font color='#5555FF'>&</font><font color='#5555FF'>&</font> transmit_enabled<font face='Lucida Console'>)</font> |
|
transmit_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>enable_dequeue</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>receive_pipe <font color='#5555FF'>&</font><font color='#5555FF'>&</font> receive_enabled<font face='Lucida Console'>)</font> |
|
receive_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>enable_enqueue</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
bridge_status <b><a name='get_bridge_status'></a>get_bridge_status</b> <font face='Lucida Console'>(</font> |
|
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
|
<b>{</b> |
|
auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>current_bs_mutex<font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'>return</font> current_bs; |
|
<b>}</b> |
|
|
|
<font color='#0000FF'>private</font>: |
|
|
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font><font color='#0000FF'>typename</font> pipe_type<font color='#5555FF'>></font> |
|
<font color='#0000FF'>typename</font> enable_if<font color='#5555FF'><</font>is_convertible<font color='#5555FF'><</font>bridge_status, <font color='#0000FF'>typename</font> pipe_type::type<font color='#5555FF'>></font> <font color='#5555FF'>></font>::type <b><a name='enqueue_bridge_status'></a>enqueue_bridge_status</b> <font face='Lucida Console'>(</font> |
|
pipe_type<font color='#5555FF'>*</font> p, |
|
<font color='#0000FF'>const</font> bridge_status<font color='#5555FF'>&</font> status |
|
<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>p<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#0000FF'>typename</font> pipe_type::type <font color='#BB00BB'>temp</font><font face='Lucida Console'>(</font>status<font face='Lucida Console'>)</font>; |
|
p<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>enqueue</font><font face='Lucida Console'>(</font>temp<font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<b>}</b> |
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font><font color='#0000FF'>typename</font> pipe_type<font color='#5555FF'>></font> |
|
<font color='#0000FF'>typename</font> disable_if<font color='#5555FF'><</font>is_convertible<font color='#5555FF'><</font>bridge_status, <font color='#0000FF'>typename</font> pipe_type::type<font color='#5555FF'>></font> <font color='#5555FF'>></font>::type <b><a name='enqueue_bridge_status'></a>enqueue_bridge_status</b> <font face='Lucida Console'>(</font> |
|
pipe_type<font color='#5555FF'>*</font> , |
|
<font color='#0000FF'>const</font> bridge_status<font color='#5555FF'>&</font> |
|
<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<b>}</b> |
|
|
|
<font color='#0000FF'><u>void</u></font> <b><a name='connect_thread'></a>connect_thread</b> <font face='Lucida Console'>(</font> |
|
<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font><font color='#5555FF'>!</font><font color='#BB00BB'>should_stop</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'><u>int</u></font> status <font color='#5555FF'>=</font> OTHER_ERROR; |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>list<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#0000FF'>do</font> |
|
<b>{</b> |
|
status <font color='#5555FF'>=</font> list<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>accept</font><font face='Lucida Console'>(</font>con, <font color='#979000'>1000</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> <font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>status <font color='#5555FF'>=</font><font color='#5555FF'>=</font> TIMEOUT <font color='#5555FF'>&</font><font color='#5555FF'>&</font> <font color='#5555FF'>!</font><font color='#BB00BB'>should_stop</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<font color='#0000FF'>else</font> |
|
<b>{</b> |
|
status <font color='#5555FF'>=</font> <font color='#BB00BB'>create_connection</font><font face='Lucida Console'>(</font>con, port, ip<font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#BB00BB'>should_stop</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
|
<font color='#0000FF'>break</font>; |
|
|
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>status <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#009900'>// The last connection attempt failed. So pause for a little bit before making another attempt. |
|
</font> s.<font color='#BB00BB'>wait_or_timeout</font><font face='Lucida Console'>(</font><font color='#979000'>2000</font><font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'>continue</font>; |
|
<b>}</b> |
|
|
|
dlog <font color='#5555FF'><</font><font color='#5555FF'><</font> LINFO <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>Established new connection to </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>:</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>.</font>"; |
|
|
|
bridge_status temp_bs; |
|
<b>{</b> auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>current_bs_mutex<font face='Lucida Console'>)</font>; |
|
current_bs.is_connected <font color='#5555FF'>=</font> <font color='#979000'>true</font>; |
|
current_bs.foreign_port <font color='#5555FF'>=</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
current_bs.foreign_ip <font color='#5555FF'>=</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
temp_bs <font color='#5555FF'>=</font> current_bs; |
|
<b>}</b> |
|
<font color='#BB00BB'>enqueue_bridge_status</font><font face='Lucida Console'>(</font>receive_pipe, temp_bs<font face='Lucida Console'>)</font>; |
|
|
|
|
|
receive_thread_active <font color='#5555FF'>=</font> <font color='#979000'>true</font>; |
|
transmit_thread_active <font color='#5555FF'>=</font> <font color='#979000'>true</font>; |
|
|
|
s.<font color='#BB00BB'>broadcast</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
|
|
<font color='#009900'>// Wait for the transmit and receive threads to end before we continue. |
|
</font> <font color='#009900'>// This way we don't invalidate the con pointer while it is in use. |
|
</font> <font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>receive_thread_active <font color='#5555FF'>|</font><font color='#5555FF'>|</font> transmit_thread_active<font face='Lucida Console'>)</font> |
|
s.<font color='#BB00BB'>wait</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
|
|
|
|
dlog <font color='#5555FF'><</font><font color='#5555FF'><</font> LINFO <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>Closed connection to </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>:</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>.</font>"; |
|
<b>{</b> auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>current_bs_mutex<font face='Lucida Console'>)</font>; |
|
current_bs.is_connected <font color='#5555FF'>=</font> <font color='#979000'>false</font>; |
|
current_bs.foreign_port <font color='#5555FF'>=</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
current_bs.foreign_ip <font color='#5555FF'>=</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
temp_bs <font color='#5555FF'>=</font> current_bs; |
|
<b>}</b> |
|
<font color='#BB00BB'>enqueue_bridge_status</font><font face='Lucida Console'>(</font>receive_pipe, temp_bs<font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
<b>}</b> |
|
|
|
|
|
<font color='#0000FF'><u>void</u></font> <b><a name='receive_thread'></a>receive_thread</b> <font face='Lucida Console'>(</font> |
|
<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font><font color='#979000'>true</font><font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#009900'>// wait until we have a connection |
|
</font> <b>{</b> auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font><font color='#5555FF'>!</font>receive_thread_active <font color='#5555FF'>&</font><font color='#5555FF'>&</font> <font color='#5555FF'>!</font><font color='#BB00BB'>should_stop</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
s.<font color='#BB00BB'>wait</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#BB00BB'>should_stop</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
|
<font color='#0000FF'>break</font>; |
|
<b>}</b> |
|
|
|
|
|
|
|
<font color='#0000FF'>try</font> |
|
<b>{</b> |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>receive_pipe<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
sockstreambuf <font color='#BB00BB'>buf</font><font face='Lucida Console'>(</font>con<font face='Lucida Console'>)</font>; |
|
std::istream <font color='#BB00BB'>in</font><font face='Lucida Console'>(</font><font color='#5555FF'>&</font>buf<font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'>typename</font> receive_pipe_type::type item; |
|
<font color='#009900'>// This isn't necessary but doing it avoids a warning about |
|
</font> <font color='#009900'>// item being uninitialized sometimes. |
|
</font> <font color='#BB00BB'>assign_zero_if_built_in_scalar_type</font><font face='Lucida Console'>(</font>item<font face='Lucida Console'>)</font>; |
|
|
|
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>in.<font color='#BB00BB'>peek</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>!</font><font color='#5555FF'>=</font> EOF<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>char</u></font> code; |
|
in.<font color='#BB00BB'>read</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>char</u></font><font color='#5555FF'>*</font><font face='Lucida Console'>)</font><font color='#5555FF'>&</font>code, <font color='#0000FF'>sizeof</font><font face='Lucida Console'>(</font>code<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>code <font color='#5555FF'>=</font><font color='#5555FF'>=</font> message_code<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>item, in<font face='Lucida Console'>)</font>; |
|
receive_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>enqueue</font><font face='Lucida Console'>(</font>item<font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<b>}</b> |
|
<b>}</b> |
|
<font color='#0000FF'>else</font> |
|
<b>{</b> |
|
<font color='#009900'>// Since we don't have a receive pipe to put messages into we will |
|
</font> <font color='#009900'>// just read the bytes from the connection and ignore them. |
|
</font> <font color='#0000FF'><u>char</u></font> buf[<font color='#979000'>1000</font>]; |
|
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>read</font><font face='Lucida Console'>(</font>buf, <font color='#0000FF'>sizeof</font><font face='Lucida Console'>(</font>buf<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> <font color='#5555FF'>></font> <font color='#979000'>0</font><font face='Lucida Console'>)</font> ; |
|
<b>}</b> |
|
<b>}</b> |
|
<font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>std::bad_alloc<font color='#5555FF'>&</font> <font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
dlog <font color='#5555FF'><</font><font color='#5555FF'><</font> LERROR <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>std::bad_alloc thrown while deserializing message from </font>" |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>:</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>dlib::serialization_error<font color='#5555FF'>&</font> e<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
dlog <font color='#5555FF'><</font><font color='#5555FF'><</font> LERROR <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>dlib::serialization_error thrown while deserializing message from </font>" |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>:</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>.\nThe exception error message is: \n</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> e.<font color='#BB00BB'>what</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>std::exception<font color='#5555FF'>&</font> e<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
dlog <font color='#5555FF'><</font><font color='#5555FF'><</font> LERROR <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>std::exception thrown while deserializing message from </font>" |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>:</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>.\nThe exception error message is: \n</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> e.<font color='#BB00BB'>what</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
|
|
|
|
|
|
con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>shutdown</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>; |
|
receive_thread_active <font color='#5555FF'>=</font> <font color='#979000'>false</font>; |
|
s.<font color='#BB00BB'>broadcast</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>; |
|
receive_thread_active <font color='#5555FF'>=</font> <font color='#979000'>false</font>; |
|
s.<font color='#BB00BB'>broadcast</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
<font color='#0000FF'><u>void</u></font> <b><a name='transmit_thread'></a>transmit_thread</b> <font face='Lucida Console'>(</font> |
|
<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font><font color='#979000'>true</font><font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#009900'>// wait until we have a connection |
|
</font> <b>{</b> auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font><font color='#5555FF'>!</font>transmit_thread_active <font color='#5555FF'>&</font><font color='#5555FF'>&</font> <font color='#5555FF'>!</font><font color='#BB00BB'>should_stop</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
s.<font color='#BB00BB'>wait</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
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|
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#BB00BB'>should_stop</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
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<font color='#0000FF'>break</font>; |
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<b>}</b> |
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|
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|
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<font color='#0000FF'>try</font> |
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<b>{</b> |
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sockstreambuf <font color='#BB00BB'>buf</font><font face='Lucida Console'>(</font>con<font face='Lucida Console'>)</font>; |
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std::ostream <font color='#BB00BB'>out</font><font face='Lucida Console'>(</font><font color='#5555FF'>&</font>buf<font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>typename</font> transmit_pipe_type::type item; |
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<font color='#009900'>// This isn't necessary but doing it avoids a warning about |
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</font> <font color='#009900'>// item being uninitialized sometimes. |
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</font> <font color='#BB00BB'>assign_zero_if_built_in_scalar_type</font><font face='Lucida Console'>(</font>item<font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>out<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'><u>bool</u></font> dequeue_timed_out <font color='#5555FF'>=</font> <font color='#979000'>false</font>; |
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>transmit_pipe <font face='Lucida Console'>)</font> |
|
<b>{</b> |
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>transmit_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>dequeue_or_timeout</font><font face='Lucida Console'>(</font>item,<font color='#979000'>1000</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
out.<font color='#BB00BB'>write</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>char</u></font><font color='#5555FF'>*</font><font face='Lucida Console'>)</font><font color='#5555FF'>&</font>message_code, <font color='#0000FF'>sizeof</font><font face='Lucida Console'>(</font>message_code<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>item, out<font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>transmit_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font> |
|
out.<font color='#BB00BB'>flush</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
|
|
<font color='#0000FF'>continue</font>; |
|
<b>}</b> |
|
|
|
dequeue_timed_out <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font>transmit_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>is_enabled</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>&</font><font color='#5555FF'>&</font> transmit_pipe<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>is_dequeue_enabled</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
<font color='#009900'>// Pause for about a second. Note that we use a wait_or_timeout() call rather |
|
</font> <font color='#009900'>// than sleep() here because we want to wake up immediately if this object is |
|
</font> <font color='#009900'>// being destructed rather than hang for a second. |
|
</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#5555FF'>!</font>dequeue_timed_out<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>; |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#BB00BB'>should_stop</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
|
<font color='#0000FF'>break</font>; |
|
|
|
s.<font color='#BB00BB'>wait_or_timeout</font><font face='Lucida Console'>(</font><font color='#979000'>1000</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<font color='#009900'>// Just send the keepalive byte periodically so we can |
|
</font> <font color='#009900'>// tell if the connection is alive. |
|
</font> out.<font color='#BB00BB'>write</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>char</u></font><font color='#5555FF'>*</font><font face='Lucida Console'>)</font><font color='#5555FF'>&</font>keepalive_code, <font color='#0000FF'>sizeof</font><font face='Lucida Console'>(</font>keepalive_code<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
out.<font color='#BB00BB'>flush</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<b>}</b> |
|
<font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>std::bad_alloc<font color='#5555FF'>&</font> <font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
dlog <font color='#5555FF'><</font><font color='#5555FF'><</font> LERROR <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>std::bad_alloc thrown while serializing message to </font>" |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>:</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>dlib::serialization_error<font color='#5555FF'>&</font> e<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
dlog <font color='#5555FF'><</font><font color='#5555FF'><</font> LERROR <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>dlib::serialization_error thrown while serializing message to </font>" |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>:</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>.\nThe exception error message is: \n</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> e.<font color='#BB00BB'>what</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>std::exception<font color='#5555FF'>&</font> e<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
dlog <font color='#5555FF'><</font><font color='#5555FF'><</font> LERROR <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>std::exception thrown while serializing message to </font>" |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_ip</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>:</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_foreign_port</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> |
|
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>.\nThe exception error message is: \n</font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> e.<font color='#BB00BB'>what</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
|
|
|
|
|
|
con<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>shutdown</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>; |
|
transmit_thread_active <font color='#5555FF'>=</font> <font color='#979000'>false</font>; |
|
s.<font color='#BB00BB'>broadcast</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
auto_mutex <font color='#BB00BB'>lock</font><font face='Lucida Console'>(</font>m<font face='Lucida Console'>)</font>; |
|
transmit_thread_active <font color='#5555FF'>=</font> <font color='#979000'>false</font>; |
|
s.<font color='#BB00BB'>broadcast</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
mutex m; |
|
signaler s; |
|
<font color='#0000FF'><u>bool</u></font> receive_thread_active; |
|
<font color='#0000FF'><u>bool</u></font> transmit_thread_active; |
|
std::unique_ptr<font color='#5555FF'><</font>connection<font color='#5555FF'>></font> con; |
|
std::unique_ptr<font color='#5555FF'><</font>listener<font color='#5555FF'>></font> list; |
|
<font color='#0000FF'>const</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>short</u></font> port; |
|
<font color='#0000FF'>const</font> std::string ip; |
|
transmit_pipe_type<font color='#5555FF'>*</font> <font color='#0000FF'>const</font> transmit_pipe; |
|
receive_pipe_type<font color='#5555FF'>*</font> <font color='#0000FF'>const</font> receive_pipe; |
|
logger dlog; |
|
<font color='#0000FF'>const</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>char</u></font> keepalive_code; |
|
<font color='#0000FF'>const</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>char</u></font> message_code; |
|
|
|
mutex current_bs_mutex; |
|
bridge_status current_bs; |
|
<b>}</b>; |
|
<b>}</b> |
|
|
|
|
|
<font color='#009900'>// ---------------------------------------------------------------------------------------- |
|
</font> |
|
<font color='#0000FF'>class</font> <b><a name='bridge'></a>bridge</b> : noncopyable |
|
<b>{</b> |
|
<font color='#0000FF'>public</font>: |
|
|
|
<b><a name='bridge'></a>bridge</b> <font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <b>{</b><b>}</b> |
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> T, <font color='#0000FF'>typename</font> U, <font color='#0000FF'>typename</font> V <font color='#5555FF'>></font> |
|
<b><a name='bridge'></a>bridge</b> <font face='Lucida Console'>(</font> |
|
T network_parameters, |
|
U pipe1, |
|
V pipe2 |
|
<font face='Lucida Console'>)</font> <b>{</b> <font color='#BB00BB'>reconfigure</font><font face='Lucida Console'>(</font>network_parameters,pipe1,pipe2<font face='Lucida Console'>)</font>; <b>}</b> |
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> T, <font color='#0000FF'>typename</font> U<font color='#5555FF'>></font> |
|
<b><a name='bridge'></a>bridge</b> <font face='Lucida Console'>(</font> |
|
T network_parameters, |
|
U pipe |
|
<font face='Lucida Console'>)</font> <b>{</b> <font color='#BB00BB'>reconfigure</font><font face='Lucida Console'>(</font>network_parameters,pipe<font face='Lucida Console'>)</font>; <b>}</b> |
|
|
|
|
|
<font color='#0000FF'><u>void</u></font> <b><a name='clear'></a>clear</b> <font face='Lucida Console'>(</font> |
|
<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> T, <font color='#0000FF'>typename</font> R <font color='#5555FF'>></font> |
|
<font color='#0000FF'><u>void</u></font> <b><a name='reconfigure'></a>reconfigure</b> <font face='Lucida Console'>(</font> |
|
listen_on_port network_parameters, |
|
bridge_transmit_decoration<font color='#5555FF'><</font>T<font color='#5555FF'>></font> transmit_pipe, |
|
bridge_receive_decoration<font color='#5555FF'><</font>R<font color='#5555FF'>></font> receive_pipe |
|
<font face='Lucida Console'>)</font> <b>{</b> pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font color='#0000FF'>new</font> impl_brns::impl_bridge<font color='#5555FF'><</font>T,R<font color='#5555FF'>></font><font face='Lucida Console'>(</font>network_parameters.port, <font color='#5555FF'>&</font>transmit_pipe.p, <font color='#5555FF'>&</font>receive_pipe.p<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; <b>}</b> |
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> T, <font color='#0000FF'>typename</font> R <font color='#5555FF'>></font> |
|
<font color='#0000FF'><u>void</u></font> <b><a name='reconfigure'></a>reconfigure</b> <font face='Lucida Console'>(</font> |
|
listen_on_port network_parameters, |
|
bridge_receive_decoration<font color='#5555FF'><</font>R<font color='#5555FF'>></font> receive_pipe, |
|
bridge_transmit_decoration<font color='#5555FF'><</font>T<font color='#5555FF'>></font> transmit_pipe |
|
<font face='Lucida Console'>)</font> <b>{</b> pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font color='#0000FF'>new</font> impl_brns::impl_bridge<font color='#5555FF'><</font>T,R<font color='#5555FF'>></font><font face='Lucida Console'>(</font>network_parameters.port, <font color='#5555FF'>&</font>transmit_pipe.p, <font color='#5555FF'>&</font>receive_pipe.p<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; <b>}</b> |
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> T <font color='#5555FF'>></font> |
|
<font color='#0000FF'><u>void</u></font> <b><a name='reconfigure'></a>reconfigure</b> <font face='Lucida Console'>(</font> |
|
listen_on_port network_parameters, |
|
bridge_transmit_decoration<font color='#5555FF'><</font>T<font color='#5555FF'>></font> transmit_pipe |
|
<font face='Lucida Console'>)</font> <b>{</b> pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font color='#0000FF'>new</font> impl_brns::impl_bridge<font color='#5555FF'><</font>T,T<font color='#5555FF'>></font><font face='Lucida Console'>(</font>network_parameters.port, <font color='#5555FF'>&</font>transmit_pipe.p, <font color='#979000'>0</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; <b>}</b> |
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> R <font color='#5555FF'>></font> |
|
<font color='#0000FF'><u>void</u></font> <b><a name='reconfigure'></a>reconfigure</b> <font face='Lucida Console'>(</font> |
|
listen_on_port network_parameters, |
|
bridge_receive_decoration<font color='#5555FF'><</font>R<font color='#5555FF'>></font> receive_pipe |
|
<font face='Lucida Console'>)</font> <b>{</b> pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font color='#0000FF'>new</font> impl_brns::impl_bridge<font color='#5555FF'><</font>R,R<font color='#5555FF'>></font><font face='Lucida Console'>(</font>network_parameters.port, <font color='#979000'>0</font>, <font color='#5555FF'>&</font>receive_pipe.p<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; <b>}</b> |
|
|
|
|
|
|
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> T, <font color='#0000FF'>typename</font> R <font color='#5555FF'>></font> |
|
<font color='#0000FF'><u>void</u></font> <b><a name='reconfigure'></a>reconfigure</b> <font face='Lucida Console'>(</font> |
|
connect_to_ip_and_port network_parameters, |
|
bridge_transmit_decoration<font color='#5555FF'><</font>T<font color='#5555FF'>></font> transmit_pipe, |
|
bridge_receive_decoration<font color='#5555FF'><</font>R<font color='#5555FF'>></font> receive_pipe |
|
<font face='Lucida Console'>)</font> <b>{</b> pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font color='#0000FF'>new</font> impl_brns::impl_bridge<font color='#5555FF'><</font>T,R<font color='#5555FF'>></font><font face='Lucida Console'>(</font>network_parameters.ip, network_parameters.port, <font color='#5555FF'>&</font>transmit_pipe.p, <font color='#5555FF'>&</font>receive_pipe.p<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; <b>}</b> |
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> T, <font color='#0000FF'>typename</font> R <font color='#5555FF'>></font> |
|
<font color='#0000FF'><u>void</u></font> <b><a name='reconfigure'></a>reconfigure</b> <font face='Lucida Console'>(</font> |
|
connect_to_ip_and_port network_parameters, |
|
bridge_receive_decoration<font color='#5555FF'><</font>R<font color='#5555FF'>></font> receive_pipe, |
|
bridge_transmit_decoration<font color='#5555FF'><</font>T<font color='#5555FF'>></font> transmit_pipe |
|
<font face='Lucida Console'>)</font> <b>{</b> pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font color='#0000FF'>new</font> impl_brns::impl_bridge<font color='#5555FF'><</font>T,R<font color='#5555FF'>></font><font face='Lucida Console'>(</font>network_parameters.ip, network_parameters.port, <font color='#5555FF'>&</font>transmit_pipe.p, <font color='#5555FF'>&</font>receive_pipe.p<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; <b>}</b> |
|
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> R <font color='#5555FF'>></font> |
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<font color='#0000FF'><u>void</u></font> <b><a name='reconfigure'></a>reconfigure</b> <font face='Lucida Console'>(</font> |
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connect_to_ip_and_port network_parameters, |
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bridge_receive_decoration<font color='#5555FF'><</font>R<font color='#5555FF'>></font> receive_pipe |
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<font face='Lucida Console'>)</font> <b>{</b> pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font color='#0000FF'>new</font> impl_brns::impl_bridge<font color='#5555FF'><</font>R,R<font color='#5555FF'>></font><font face='Lucida Console'>(</font>network_parameters.ip, network_parameters.port, <font color='#979000'>0</font>, <font color='#5555FF'>&</font>receive_pipe.p<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; <b>}</b> |
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font> <font color='#0000FF'>typename</font> T <font color='#5555FF'>></font> |
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<font color='#0000FF'><u>void</u></font> <b><a name='reconfigure'></a>reconfigure</b> <font face='Lucida Console'>(</font> |
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connect_to_ip_and_port network_parameters, |
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bridge_transmit_decoration<font color='#5555FF'><</font>T<font color='#5555FF'>></font> transmit_pipe |
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<font face='Lucida Console'>)</font> <b>{</b> pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; pimpl.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font color='#0000FF'>new</font> impl_brns::impl_bridge<font color='#5555FF'><</font>T,T<font color='#5555FF'>></font><font face='Lucida Console'>(</font>network_parameters.ip, network_parameters.port, <font color='#5555FF'>&</font>transmit_pipe.p, <font color='#979000'>0</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; <b>}</b> |
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bridge_status <b><a name='get_bridge_status'></a>get_bridge_status</b> <font face='Lucida Console'>(</font> |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
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<b>{</b> |
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>pimpl<font face='Lucida Console'>)</font> |
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<font color='#0000FF'>return</font> pimpl<font color='#5555FF'>-</font><font color='#5555FF'>></font><font color='#BB00BB'>get_bridge_status</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>else</font> |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>bridge_status</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>private</font>: |
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std::unique_ptr<font color='#5555FF'><</font>impl_brns::impl_bridge_base<font color='#5555FF'>></font> pimpl; |
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<b>}</b>; |
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<font color='#009900'>// ---------------------------------------------------------------------------------------- |
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</font> |
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<b>}</b> |
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<font color='#0000FF'>#endif</font> <font color='#009900'>// DLIB_BRIDGe_Hh_ |
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</font> |
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</pre></body></html> |
