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| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/><meta http-equiv="X-UA-Compatible" content="IE=9"/><meta name="generator" content="Doxygen 1.8.6"/><title>GRPC Core: src/core/channel/client_channel.c File Reference</title><link href="tabs.css" rel="stylesheet" type="text/css"/><script type="text/javascript" src="jquery.js"></script><script type="text/javascript" src="dynsections.js"></script><link href="search/search.css" rel="stylesheet" type="text/css"/><script type="text/javascript" src="search/search.js"></script><script type="text/javascript">  $(document).ready(function() { searchBox.OnSelectItem(0); });</script><link href="doxygen.css" rel="stylesheet" type="text/css" /></head><body><div id="top"><!-- do not remove this div, it is closed by doxygen! --><div id="titlearea"><table 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onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span 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href="#typedef-members">Typedefs</a> |<a href="#enum-members">Enumerations</a> |<a href="#func-members">Functions</a> |<a href="#var-members">Variables</a>  </div>  <div class="headertitle"><div class="title">client_channel.c File Reference</div>  </div></div><!--header--><div class="contents"><div class="textblock"><code>#include "<a class="el" href="client__channel_8h_source.html">src/core/channel/client_channel.h</a>"</code><br/><code>#include <stdio.h></code><br/><code>#include <<a class="el" href="string_8h_source.html">string.h</a>></code><br/><code>#include "<a class="el" href="channel__args_8h_source.html">src/core/channel/channel_args.h</a>"</code><br/><code>#include "<a class="el" href="connected__channel_8h_source.html">src/core/channel/connected_channel.h</a>"</code><br/><code>#include "<a class="el" href="channel_8h_source.html">src/core/surface/channel.h</a>"</code><br/><code>#include "<a class="el" href="iomgr_8h_source.html">src/core/iomgr/iomgr.h</a>"</code><br/><code>#include "<a class="el" href="connectivity__state_8h_source.html">src/core/transport/connectivity_state.h</a>"</code><br/><code>#include <<a class="el" href="alloc_8h_source.html">grpc/support/alloc.h</a>></code><br/><code>#include <<a class="el" href="log_8h_source.html">grpc/support/log.h</a>></code><br/><code>#include <<a class="el" href="sync_8h_source.html">grpc/support/sync.h</a>></code><br/><code>#include <<a class="el" href="useful_8h_source.html">grpc/support/useful.h</a>></code><br/></div><table class="memberdecls"><tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>Data Structures</h2></td></tr><tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structchannel__data.html">channel_data</a></td></tr><tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structlb__policy__connectivity__watcher.html">lb_policy_connectivity_watcher</a></td></tr><tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">We create one watcher for each new lb_policy that is returned from a resolver, to watch for state changes from the lb_policy.  <a href="structlb__policy__connectivity__watcher.html#details">More...</a><br/></td></tr><tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcall__data.html">call_data</a></td></tr><tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structwaiting__call.html">waiting_call</a></td></tr><tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr></table><table class="memberdecls"><tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>Typedefs</h2></td></tr><tr class="memitem:a9d8dd5943711393112c0fe83c02c0ca8"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structcall__data.html">call_data</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="client__channel_8c.html#a9d8dd5943711393112c0fe83c02c0ca8">call_data</a></td></tr><tr class="separator:a9d8dd5943711393112c0fe83c02c0ca8"><td class="memSeparator" colspan="2"> </td></tr></table><table class="memberdecls"><tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>Enumerations</h2></td></tr><tr class="memitem:a6ca2e6dbf0562417ab7c66e8907a56b1"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="client__channel_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1">call_state</a> { <br/>  <a class="el" href="client__channel_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1a5dc41298c08d706c248c0aad80fdf2a8">CALL_CREATED</a>, <a class="el" href="client__channel_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1aa3615ca56e2de2713a3202ff99f15b1c">CALL_WAITING_FOR_SEND</a>, <a class="el" href="client__channel_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1acc5228e1cac647003266db9241876cd2">CALL_WAITING_FOR_CONFIG</a>, <a class="el" href="client__channel_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1a8f4f33fc632104e0ece9369cf5f236ad">CALL_WAITING_FOR_PICK</a>, <br/>  <a class="el" href="client__channel_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1a7d4a5aee632f6e68b3aa63e7618dc5a2">CALL_WAITING_FOR_CALL</a>, <a class="el" href="client__channel_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1a38c567ba414b95843eea67ead22156b9">CALL_ACTIVE</a>, <a class="el" href="client__channel_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1a64c64130e25c5cd2d884b8c16093a89d">CALL_CANCELLED</a>, <a class="el" href="server_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1ae7d82dfe80ea0bd4feea8ee49ea2eab5">NOT_STARTED</a>, <br/>  <a class="el" href="server_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1a1869818fd53ff519eb8e429301bdff73">PENDING</a>, <a class="el" href="server_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1a84b328a7ebdea4c8c4ed62e035ada28d">ACTIVATED</a>, <a class="el" href="server_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1acfa05d5a2f18cf6a5976178d9949c512">ZOMBIED</a><br/> }</td></tr><tr class="separator:a6ca2e6dbf0562417ab7c66e8907a56b1"><td class="memSeparator" colspan="2"> </td></tr></table><table class="memberdecls"><tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>Functions</h2></td></tr><tr class="memitem:a86757e52c8e3f20d553f999c62589993"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="client__channel_8c.html#a86757e52c8e3f20d553f999c62589993">grpc_client_channel_set_resolver</a> (<a class="el" href="structgrpc__channel__stack.html">grpc_channel_stack</a> *channel_stack, <a class="el" href="structgrpc__resolver.html">grpc_resolver</a> *resolver)</td></tr><tr class="separator:a86757e52c8e3f20d553f999c62589993"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:ae257a5817fa8e50df430d4a2132deed6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="grpc_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="client__channel_8c.html#ae257a5817fa8e50df430d4a2132deed6">grpc_client_channel_check_connectivity_state</a> (<a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> *elem, int try_to_connect)</td></tr><tr class="separator:ae257a5817fa8e50df430d4a2132deed6"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a037d0d7720ae9a68669ad9552f7ee69c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="client__channel_8c.html#a037d0d7720ae9a68669ad9552f7ee69c">grpc_client_channel_watch_connectivity_state</a> (<a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> *elem, <a class="el" href="grpc_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> *state, <a class="el" href="structgrpc__iomgr__closure.html">grpc_iomgr_closure</a> *on_complete)</td></tr><tr class="separator:a037d0d7720ae9a68669ad9552f7ee69c"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:ab6ddde66c53ca2fec899def7d72234ad"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structgrpc__pollset__set.html">grpc_pollset_set</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="client__channel_8c.html#ab6ddde66c53ca2fec899def7d72234ad">grpc_client_channel_get_connecting_pollset_set</a> (<a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> *elem)</td></tr><tr class="separator:ab6ddde66c53ca2fec899def7d72234ad"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a7b288cd209db3fac0c4cd5d4f8fbf3b3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="client__channel_8c.html#a7b288cd209db3fac0c4cd5d4f8fbf3b3">grpc_client_channel_add_interested_party</a> (<a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> *elem, <a class="el" href="structgrpc__pollset.html">grpc_pollset</a> *pollset)</td></tr><tr class="separator:a7b288cd209db3fac0c4cd5d4f8fbf3b3"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a36a91904b5c5cce4a334a9e055b35f78"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="client__channel_8c.html#a36a91904b5c5cce4a334a9e055b35f78">grpc_client_channel_del_interested_party</a> (<a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> *elem, <a class="el" href="structgrpc__pollset.html">grpc_pollset</a> *pollset)</td></tr><tr class="separator:a36a91904b5c5cce4a334a9e055b35f78"><td class="memSeparator" colspan="2"> </td></tr></table><table class="memberdecls"><tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>Variables</h2></td></tr><tr class="memitem:a8c2292b3b1d26b9c4c296c106bfa96b1"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structgrpc__channel__filter.html">grpc_channel_filter</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="client__channel_8c.html#a8c2292b3b1d26b9c4c296c106bfa96b1">grpc_client_channel_filter</a></td></tr><tr class="separator:a8c2292b3b1d26b9c4c296c106bfa96b1"><td class="memSeparator" colspan="2"> </td></tr></table><h2 class="groupheader">Typedef Documentation</h2><a class="anchor" id="a9d8dd5943711393112c0fe83c02c0ca8"></a><div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">typedef struct <a class="el" href="structcall__data.html">call_data</a> <a class="el" href="structcall__data.html">call_data</a></td>        </tr>      </table></div><div class="memdoc"></div></div><h2 class="groupheader">Enumeration Type Documentation</h2><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1"></a><div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">enum <a class="el" href="client__channel_8c.html#a6ca2e6dbf0562417ab7c66e8907a56b1">call_state</a></td>        </tr>      </table></div><div class="memdoc"><table class="fieldtable"><tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1a5dc41298c08d706c248c0aad80fdf2a8"></a>CALL_CREATED</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1aa3615ca56e2de2713a3202ff99f15b1c"></a>CALL_WAITING_FOR_SEND</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1acc5228e1cac647003266db9241876cd2"></a>CALL_WAITING_FOR_CONFIG</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1a8f4f33fc632104e0ece9369cf5f236ad"></a>CALL_WAITING_FOR_PICK</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1a7d4a5aee632f6e68b3aa63e7618dc5a2"></a>CALL_WAITING_FOR_CALL</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1a38c567ba414b95843eea67ead22156b9"></a>CALL_ACTIVE</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1a64c64130e25c5cd2d884b8c16093a89d"></a>CALL_CANCELLED</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1ae7d82dfe80ea0bd4feea8ee49ea2eab5"></a>NOT_STARTED</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1a1869818fd53ff519eb8e429301bdff73"></a>PENDING</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1a84b328a7ebdea4c8c4ed62e035ada28d"></a>ACTIVATED</em> </td><td class="fielddoc"></td></tr><tr><td class="fieldname"><em><a class="anchor" id="a6ca2e6dbf0562417ab7c66e8907a56b1acfa05d5a2f18cf6a5976178d9949c512"></a>ZOMBIED</em> </td><td class="fielddoc"></td></tr></table></div></div><h2 class="groupheader">Function Documentation</h2><a class="anchor" id="a7b288cd209db3fac0c4cd5d4f8fbf3b3"></a><div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">void grpc_client_channel_add_interested_party </td>          <td>(</td>          <td class="paramtype"><a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> * </td>          <td class="paramname"><em>elem</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype"><a class="el" href="structgrpc__pollset.html">grpc_pollset</a> * </td>          <td class="paramname"><em>pollset</em> </td>        </tr>        <tr>          <td></td>          <td>)</td>          <td></td><td></td>        </tr>      </table></div><div class="memdoc"></div></div><a class="anchor" id="ae257a5817fa8e50df430d4a2132deed6"></a><div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname"><a class="el" href="grpc_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> grpc_client_channel_check_connectivity_state </td>          <td>(</td>          <td class="paramtype"><a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> * </td>          <td class="paramname"><em>elem</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype">int </td>          <td class="paramname"><em>try_to_connect</em> </td>        </tr>        <tr>          <td></td>          <td>)</td>          <td></td><td></td>        </tr>      </table></div><div class="memdoc"></div></div><a class="anchor" id="a36a91904b5c5cce4a334a9e055b35f78"></a><div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">void grpc_client_channel_del_interested_party </td>          <td>(</td>          <td class="paramtype"><a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> * </td>          <td class="paramname"><em>elem</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype"><a class="el" href="structgrpc__pollset.html">grpc_pollset</a> * </td>          <td class="paramname"><em>pollset</em> </td>        </tr>        <tr>          <td></td>          <td>)</td>          <td></td><td></td>        </tr>      </table></div><div class="memdoc"></div></div><a class="anchor" id="ab6ddde66c53ca2fec899def7d72234ad"></a><div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname"><a class="el" href="structgrpc__pollset__set.html">grpc_pollset_set</a>* grpc_client_channel_get_connecting_pollset_set </td>          <td>(</td>          <td class="paramtype"><a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> * </td>          <td class="paramname"><em>elem</em></td><td>)</td>          <td></td>        </tr>      </table></div><div class="memdoc"></div></div><a class="anchor" id="a86757e52c8e3f20d553f999c62589993"></a><div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">void grpc_client_channel_set_resolver </td>          <td>(</td>          <td class="paramtype"><a class="el" href="structgrpc__channel__stack.html">grpc_channel_stack</a> * </td>          <td class="paramname"><em>channel_stack</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype"><a class="el" href="structgrpc__resolver.html">grpc_resolver</a> * </td>          <td class="paramname"><em>resolver</em> </td>        </tr>        <tr>          <td></td>          <td>)</td>          <td></td><td></td>        </tr>      </table></div><div class="memdoc"></div></div><a class="anchor" id="a037d0d7720ae9a68669ad9552f7ee69c"></a><div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">void grpc_client_channel_watch_connectivity_state </td>          <td>(</td>          <td class="paramtype"><a class="el" href="structgrpc__channel__element.html">grpc_channel_element</a> * </td>          <td class="paramname"><em>elem</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype"><a class="el" href="grpc_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> * </td>          <td class="paramname"><em>state</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype"><a class="el" href="structgrpc__iomgr__closure.html">grpc_iomgr_closure</a> * </td>          <td class="paramname"><em>on_complete</em> </td>        </tr>        <tr>          <td></td>          <td>)</td>          <td></td><td></td>        </tr>      </table></div><div class="memdoc"></div></div><h2 class="groupheader">Variable Documentation</h2><a class="anchor" id="a8c2292b3b1d26b9c4c296c106bfa96b1"></a><div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">const <a class="el" href="structgrpc__channel__filter.html">grpc_channel_filter</a> grpc_client_channel_filter</td>        </tr>      </table></div><div class="memdoc"><b>Initial value:</b><div class="fragment"><div class="line">= {</div><div class="line">    cc_start_transport_stream_op,</div><div class="line">    cc_start_transport_op,</div><div class="line">    <span class="keyword">sizeof</span>(<a class="code" href="client__channel_8c.html#a9d8dd5943711393112c0fe83c02c0ca8">call_data</a>),</div><div class="line">    init_call_elem,</div><div class="line">    destroy_call_elem,</div><div class="line">    <span class="keyword">sizeof</span>(<a class="code" href="structchannel__data.html">channel_data</a>),</div><div class="line">    init_channel_elem,</div><div class="line">    destroy_channel_elem,</div><div class="line">    cc_get_peer,</div><div class="line">    <span class="stringliteral">"client-channel"</span>,</div><div class="line">}</div><div class="ttc" id="structchannel__data_html"><div class="ttname"><a href="structchannel__data.html">channel_data</a></div><div class="ttdef"><b>Definition:</b> client_auth_filter.c:69</div></div><div class="ttc" id="client__channel_8c_html_a9d8dd5943711393112c0fe83c02c0ca8"><div class="ttname"><a href="client__channel_8c.html#a9d8dd5943711393112c0fe83c02c0ca8">call_data</a></div><div class="ttdeci">struct call_data call_data</div><div class="ttdef"><b>Definition:</b> client_channel.c:52</div></div></div><!-- fragment --></div></div></div><!-- contents --><!-- start footer part --><hr class="footer"/><address class="footer"><small>Generated on Wed Aug 5 2015 08:17:07 for GRPC Core by  <a href="http://www.doxygen.org/index.html"><img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6</small></address></body></html>
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