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gerrit-public.fairphone.software / platform / external / grpc-grpc / 68f4e0f6abc6bb99ff334542d5b5003edc3e651e / . / doc / ref / core.internal / html / call_8c.html
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<div class="textblock"><code>#include &lt;assert.h&gt;</code><br/>
<code>#include &lt;stdio.h&gt;</code><br/>
<code>#include &lt;stdlib.h&gt;</code><br/>
<code>#include &lt;<a class="el" href="string_8h_source.html">string.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="compression_8h_source.html">grpc/compression.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="alloc_8h_source.html">grpc/support/alloc.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="log_8h_source.html">grpc/support/log.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="string__util_8h_source.html">grpc/support/string_util.h</a>&gt;</code><br/>
<code>#include &quot;<a class="el" href="channel__stack_8h_source.html">src/core/channel/channel_stack.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="alarm_8h_source.html">src/core/iomgr/alarm.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="timers_8h_source.html">src/core/profiling/timers.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="byte__buffer__queue_8h_source.html">src/core/surface/byte_buffer_queue.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="call_8h_source.html">src/core/surface/call.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="channel_8h_source.html">src/core/surface/channel.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="completion__queue_8h_source.html">src/core/surface/completion_queue.h</a>&quot;</code><br/>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structcompleted__request.html">completed_request</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structreqinfo__master.html">reqinfo_master</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structreceived__status.html">received_status</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structgrpc__call.html">grpc_call</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfinished__loose__op__allocated__args.html">finished_loose_op_allocated_args</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:adc0473bd2ea598bc8b0d09c6f43b3a89"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#adc0473bd2ea598bc8b0d09c6f43b3a89">MAX_CONCURRENT_COMPLETIONS</a>&#160;&#160;&#160;6</td></tr>
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<tr class="memitem:ab0c91da8d11c6964aded3fbecff4a15c"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#ab0c91da8d11c6964aded3fbecff4a15c">MAX_SEND_INITIAL_METADATA_COUNT</a>&#160;&#160;&#160;3</td></tr>
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<tr class="memitem:a5e0acdef58012600d44f7978256c82d9"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a5e0acdef58012600d44f7978256c82d9">CALL_FROM_CALL_STACK</a>(call_stack)&#160;&#160;&#160;(((<a class="el" href="structgrpc__call.html">grpc_call</a> *)(call_stack)) - 1)</td></tr>
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<tr class="memitem:acd274f346b0ea7fc3235481cb7726c25"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#acd274f346b0ea7fc3235481cb7726c25">CALL_ELEM_FROM_CALL</a>(call, idx)&#160;&#160;&#160;<a class="el" href="channel__stack_8c.html#a32b8a3c21a1e805669af3569b6c4a333">grpc_call_stack_element</a>(<a class="el" href="call_8c.html#a25608dcdb8f5bf9b8afc358125b59b5b">CALL_STACK_FROM_CALL</a>(call), idx)</td></tr>
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<tr class="memitem:a195c2e9b9e6551cf5973560eec7a97fa"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a195c2e9b9e6551cf5973560eec7a97fa">CALL_FROM_TOP_ELEM</a>(top_elem)&#160;&#160;&#160;<a class="el" href="call_8c.html#a5e0acdef58012600d44f7978256c82d9">CALL_FROM_CALL_STACK</a>(<a class="el" href="channel__stack_8c.html#a90d6131bc8142e1516618bd2e4daf58c">grpc_call_stack_from_top_element</a>(top_elem))</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:a54d1fff20be8e7414ba15f456824bb17"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a54d1fff20be8e7414ba15f456824bb17">req_state</a> { <a class="el" href="call_8c.html#a54d1fff20be8e7414ba15f456824bb17a6268d672744bde6005590a30c8189779">REQ_INITIAL</a> = 0,
<a class="el" href="call_8c.html#a54d1fff20be8e7414ba15f456824bb17a99044b02beb639fe667b1a5fcae61a96">REQ_READY</a>,
<a class="el" href="call_8c.html#a54d1fff20be8e7414ba15f456824bb17a9156fc9ac04c64171f05a5692a1356a9">REQ_DONE</a>
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&#160;&#160;<a class="el" href="call_8c.html#a5c099cbc41809afd83d900cef74c2819ad40596b21bcebc4654bb8da5c7469b01">SEND_NOTHING</a>,
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<a class="el" href="call_8c.html#a5c099cbc41809afd83d900cef74c2819addfb3ce4bfcd50ee7ec74608fb32f8ef">SEND_FINISH</a>
<br/>
}</td></tr>
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<tr class="memitem:a9291c3528e3f346e6ae8137ac9e76271"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a9291c3528e3f346e6ae8137ac9e76271">status_source</a> { <br/>
&#160;&#160;<a class="el" href="call_8c.html#a9291c3528e3f346e6ae8137ac9e76271afd2f639169b914143f3b412ed1a2ef00">STATUS_FROM_API_OVERRIDE</a> = 0,
<a class="el" href="call_8c.html#a9291c3528e3f346e6ae8137ac9e76271a48a145dfa9c97761d84d36131d27a72e">STATUS_FROM_CORE</a>,
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}</td></tr>
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<tr class="memitem:a67c68be8fc9fb0341b9c1c0881f19d17"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a67c68be8fc9fb0341b9c1c0881f19d17">read_state</a> { <a class="el" href="call_8c.html#a67c68be8fc9fb0341b9c1c0881f19d17ad2197f646af67a6d937754c3a1417439">READ_STATE_INITIAL</a> = 0,
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Functions</h2></td></tr>
<tr class="memitem:a0199bd70012c6e2dfa8667dd1d280109"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a0199bd70012c6e2dfa8667dd1d280109">grpc_call_create</a> (<a class="el" href="structgrpc__channel.html">grpc_channel</a> *channel, <a class="el" href="structgrpc__completion__queue.html">grpc_completion_queue</a> *cq, const void *server_transport_data, <a class="el" href="structgrpc__mdelem.html">grpc_mdelem</a> **add_initial_metadata, size_t add_initial_metadata_count, <a class="el" href="structgpr__timespec.html">gpr_timespec</a> send_deadline)</td></tr>
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<tr class="memitem:a29e0a4ca5d3d86c071b41dcb30c117bd"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a29e0a4ca5d3d86c071b41dcb30c117bd">grpc_call_set_completion_queue</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call, <a class="el" href="structgrpc__completion__queue.html">grpc_completion_queue</a> *cq)</td></tr>
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<tr class="memitem:a383950ef84646c0f3cb3cb38807503db"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structgrpc__completion__queue.html">grpc_completion_queue</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a383950ef84646c0f3cb3cb38807503db">grpc_call_get_completion_queue</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call)</td></tr>
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<tr class="memitem:afdbe0f591e358205051b2af04a8df4f8"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#afdbe0f591e358205051b2af04a8df4f8">grpc_call_internal_ref</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *c)</td></tr>
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<tr class="memitem:afc70fe56761341f774d1b03a55a0e0e9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#afc70fe56761341f774d1b03a55a0e0e9">grpc_call_internal_unref</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *c, int allow_immediate_deletion)</td></tr>
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<tr class="memitem:a5128cbee3e5ed3cd97b4043c0f6d7d04"><td class="memItemLeft" align="right" valign="top"><a class="el" href="compression_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a5128cbee3e5ed3cd97b4043c0f6d7d04">grpc_call_get_compression_algorithm</a> (const <a class="el" href="structgrpc__call.html">grpc_call</a> *call)</td></tr>
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<tr class="memitem:aef30c2ddcfea12c0df20548f32b4378d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="grpc_8h.html#a0d5a8bdd6d53d209cacea4b6fa5d785b">grpc_call_error</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#aef30c2ddcfea12c0df20548f32b4378d">grpc_call_start_ioreq_and_call_back</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call, const <a class="el" href="structgrpc__ioreq.html">grpc_ioreq</a> *reqs, size_t nreqs, <a class="el" href="call_8h.html#ac4899ae8f97f4bc7e61ae178d853373b">grpc_ioreq_completion_func</a> on_complete, void *user_data)</td></tr>
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<tr class="memitem:a456f491fd120a1561aa8cd1178ddb4c7"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a456f491fd120a1561aa8cd1178ddb4c7">grpc_call_destroy</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *c)</td></tr>
<tr class="memdesc:a456f491fd120a1561aa8cd1178ddb4c7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destroy a call. <a href="#a456f491fd120a1561aa8cd1178ddb4c7">More...</a><br/></td></tr>
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<tr class="memitem:adce32a3168cfc0048423af94a3961878"><td class="memItemLeft" align="right" valign="top"><a class="el" href="grpc_8h.html#a0d5a8bdd6d53d209cacea4b6fa5d785b">grpc_call_error</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#adce32a3168cfc0048423af94a3961878">grpc_call_cancel</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call)</td></tr>
<tr class="memdesc:adce32a3168cfc0048423af94a3961878"><td class="mdescLeft">&#160;</td><td class="mdescRight">Called by clients to cancel an RPC on the server. <a href="#adce32a3168cfc0048423af94a3961878">More...</a><br/></td></tr>
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<tr class="memitem:a1adb0f85dd491cc47dd8da655c4e30a6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="grpc_8h.html#a0d5a8bdd6d53d209cacea4b6fa5d785b">grpc_call_error</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a1adb0f85dd491cc47dd8da655c4e30a6">grpc_call_cancel_with_status</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *c, <a class="el" href="status_8h.html#a35ab2a68917eb836de84cb23253108eb">grpc_status_code</a> status, const char *description)</td></tr>
<tr class="memdesc:a1adb0f85dd491cc47dd8da655c4e30a6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Called by clients to cancel an RPC on the server. <a href="#a1adb0f85dd491cc47dd8da655c4e30a6">More...</a><br/></td></tr>
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<tr class="memitem:adf4ac8b78da7b957ce05dc0f62719ada"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#adf4ac8b78da7b957ce05dc0f62719ada">grpc_call_get_peer</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call)</td></tr>
<tr class="memdesc:adf4ac8b78da7b957ce05dc0f62719ada"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a newly allocated string representing the endpoint to which this call is communicating with. <a href="#adf4ac8b78da7b957ce05dc0f62719ada">More...</a><br/></td></tr>
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<tr class="memitem:a92d6bdbeddb5e6918e118bc0979a1a9b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a92d6bdbeddb5e6918e118bc0979a1a9b">grpc_call_from_top_element</a> (<a class="el" href="structgrpc__call__element.html">grpc_call_element</a> *elem)</td></tr>
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<tr class="memitem:a089e0677c51d9a5d4a4a7e582f86b27f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structgrpc__call__stack.html">grpc_call_stack</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a089e0677c51d9a5d4a4a7e582f86b27f">grpc_call_get_call_stack</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call)</td></tr>
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<tr class="memitem:ae0e60993c9d6e5ceccaf2e61f690b101"><td class="memItemLeft" align="right" valign="top"><a class="el" href="grpc_8h.html#a0d5a8bdd6d53d209cacea4b6fa5d785b">grpc_call_error</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#ae0e60993c9d6e5ceccaf2e61f690b101">grpc_call_start_batch</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call, const <a class="el" href="structgrpc__op.html">grpc_op</a> *ops, size_t nops, void *tag)</td></tr>
<tr class="memdesc:ae0e60993c9d6e5ceccaf2e61f690b101"><td class="mdescLeft">&#160;</td><td class="mdescRight">Start a batch of operations defined in the array ops; when complete, post a completion of type 'tag' to the completion queue bound to the call. <a href="#ae0e60993c9d6e5ceccaf2e61f690b101">More...</a><br/></td></tr>
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<tr class="memitem:adad531b2cfc5574dbc4bebaafe0db1e9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#adad531b2cfc5574dbc4bebaafe0db1e9">grpc_call_context_set</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call, <a class="el" href="channel_2context_8h.html#ad9f29fba1468a9a1384b9104bf368dff">grpc_context_index</a> elem, void *<a class="el" href="hpack__table_8c.html#a8556878012feffc9e0beb86cd78f424d">value</a>, void(*destroy)(void *<a class="el" href="hpack__table_8c.html#a8556878012feffc9e0beb86cd78f424d">value</a>))</td></tr>
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<tr class="memitem:a039322642b1682808002d1302c248c5f"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#a039322642b1682808002d1302c248c5f">grpc_call_context_get</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call, <a class="el" href="channel_2context_8h.html#ad9f29fba1468a9a1384b9104bf368dff">grpc_context_index</a> elem)</td></tr>
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<tr class="memitem:af101e4a67c8995de55cbd8b113e3b394"><td class="memItemLeft" align="right" valign="top"><a class="el" href="port__platform_8h.html#aeeb41e29e7c7a916a4e0fb6cfb9f92e0">gpr_uint8</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="call_8c.html#af101e4a67c8995de55cbd8b113e3b394">grpc_call_is_client</a> (<a class="el" href="structgrpc__call.html">grpc_call</a> *call)</td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define CALL_ELEM_FROM_CALL</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">call, </td>
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<td class="paramtype">&#160;</td>
<td class="paramname">idx&#160;</td>
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<td>)</td>
<td></td><td>&#160;&#160;&#160;<a class="el" href="channel__stack_8c.html#a32b8a3c21a1e805669af3569b6c4a333">grpc_call_stack_element</a>(<a class="el" href="call_8c.html#a25608dcdb8f5bf9b8afc358125b59b5b">CALL_STACK_FROM_CALL</a>(call), idx)</td>
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<td class="memname">#define CALL_FROM_CALL_STACK</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">call_stack</td><td>)</td>
<td>&#160;&#160;&#160;(((<a class="el" href="structgrpc__call.html">grpc_call</a> *)(call_stack)) - 1)</td>
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<td class="memname">#define CALL_FROM_TOP_ELEM</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">top_elem</td><td>)</td>
<td>&#160;&#160;&#160;<a class="el" href="call_8c.html#a5e0acdef58012600d44f7978256c82d9">CALL_FROM_CALL_STACK</a>(<a class="el" href="channel__stack_8c.html#a90d6131bc8142e1516618bd2e4daf58c">grpc_call_stack_from_top_element</a>(top_elem))</td>
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<td class="memname">#define CALL_STACK_FROM_CALL</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">call</td><td>)</td>
<td>&#160;&#160;&#160;((<a class="el" href="structgrpc__call__stack.html">grpc_call_stack</a> *)((call) + 1))</td>
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<td class="memname">#define COMPRESS_OFFSET&#160;&#160;&#160;1</td>
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<td class="memname">#define MAX_CONCURRENT_COMPLETIONS&#160;&#160;&#160;6</td>
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<p>The maximum number of completions possible. </p>
<p>Based upon the maximum number of individually queueable ops in the batch api:</p>
<ul>
<li>initial metadata send</li>
<li>message send</li>
<li>status/close send (depending on client/server)</li>
<li>initial metadata recv</li>
<li>message recv</li>
<li>status/close recv (depending on client/server) </li>
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<td class="memname">#define MAX_SEND_INITIAL_METADATA_COUNT&#160;&#160;&#160;3</td>
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<td class="memname">#define REQSET_DONE&#160;&#160;&#160;'Y'</td>
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<td class="memname">#define REQSET_EMPTY&#160;&#160;&#160;'X'</td>
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<td class="memname">#define STATUS_OFFSET&#160;&#160;&#160;1</td>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">enum <a class="el" href="call_8c.html#a67c68be8fc9fb0341b9c1c0881f19d17">read_state</a></td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="a67c68be8fc9fb0341b9c1c0881f19d17ad2197f646af67a6d937754c3a1417439"></a>READ_STATE_INITIAL</em>&#160;</td><td class="fielddoc">
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="a67c68be8fc9fb0341b9c1c0881f19d17a37370f960213dc0f115eb8495e038b2a"></a>READ_STATE_GOT_INITIAL_METADATA</em>&#160;</td><td class="fielddoc">
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="a67c68be8fc9fb0341b9c1c0881f19d17a9c7de87cb383873b75a6de98df2dc445"></a>READ_STATE_READ_CLOSED</em>&#160;</td><td class="fielddoc">
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="a67c68be8fc9fb0341b9c1c0881f19d17add056921b7a5dd24d85db716da87594a"></a>READ_STATE_STREAM_CLOSED</em>&#160;</td><td class="fielddoc">
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<td class="memname">enum <a class="el" href="call_8c.html#a54d1fff20be8e7414ba15f456824bb17">req_state</a></td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="a54d1fff20be8e7414ba15f456824bb17a6268d672744bde6005590a30c8189779"></a>REQ_INITIAL</em>&#160;</td><td class="fielddoc">
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="a54d1fff20be8e7414ba15f456824bb17a99044b02beb639fe667b1a5fcae61a96"></a>REQ_READY</em>&#160;</td><td class="fielddoc">
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<td class="memname">enum <a class="el" href="call_8c.html#a5c099cbc41809afd83d900cef74c2819">send_action</a></td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="a5c099cbc41809afd83d900cef74c2819ad40596b21bcebc4654bb8da5c7469b01"></a>SEND_NOTHING</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a5c099cbc41809afd83d900cef74c2819a7045eff04495ab507242e5da11bcb4ff"></a>SEND_INITIAL_METADATA</em>&#160;</td><td class="fielddoc">
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="a5c099cbc41809afd83d900cef74c2819aa0eea39729a5b7c862262626fbe3d352"></a>SEND_BUFFERED_INITIAL_METADATA</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a5c099cbc41809afd83d900cef74c2819a5def54f3ec39f74661e1614669603d71"></a>SEND_MESSAGE</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a5c099cbc41809afd83d900cef74c2819ad0b19b54eb40a63af9f7d957ff717f6e"></a>SEND_BUFFERED_MESSAGE</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a5c099cbc41809afd83d900cef74c2819a69a25d71b99a99c66c39696b038aa486"></a>SEND_TRAILING_METADATA_AND_FINISH</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a5c099cbc41809afd83d900cef74c2819addfb3ce4bfcd50ee7ec74608fb32f8ef"></a>SEND_FINISH</em>&#160;</td><td class="fielddoc">
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<td class="memname">enum <a class="el" href="call_8c.html#a9291c3528e3f346e6ae8137ac9e76271">status_source</a></td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="a9291c3528e3f346e6ae8137ac9e76271afd2f639169b914143f3b412ed1a2ef00"></a>STATUS_FROM_API_OVERRIDE</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a9291c3528e3f346e6ae8137ac9e76271a48a145dfa9c97761d84d36131d27a72e"></a>STATUS_FROM_CORE</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a9291c3528e3f346e6ae8137ac9e76271a825b6688b57f66bdb07fef664aa8d569"></a>STATUS_FROM_WIRE</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a9291c3528e3f346e6ae8137ac9e76271aad4663967ed2d5b74e875954573b5c64"></a>STATUS_FROM_SERVER_STATUS</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a9291c3528e3f346e6ae8137ac9e76271a429d7ee18b26738df32b9a74586afc22"></a>STATUS_SOURCE_COUNT</em>&#160;</td><td class="fielddoc">
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<td class="memname">enum <a class="el" href="call_8c.html#a5ed0172019dfa72bf69d881d3f06688d">write_state</a></td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="a5ed0172019dfa72bf69d881d3f06688da18e6209a49059c72ae1a0671fbe729f3"></a>WRITE_STATE_INITIAL</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a5ed0172019dfa72bf69d881d3f06688da26c7fbe66a37088b9bc8f34edd4e2634"></a>WRITE_STATE_STARTED</em>&#160;</td><td class="fielddoc">
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<tr><td class="fieldname"><em><a class="anchor" id="a5ed0172019dfa72bf69d881d3f06688daa6f0a8cbb946569f2f609e500abbbff4"></a>WRITE_STATE_WRITE_CLOSED</em>&#160;</td><td class="fielddoc">
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname"><a class="el" href="grpc_8h.html#a0d5a8bdd6d53d209cacea4b6fa5d785b">grpc_call_error</a> grpc_call_cancel </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>call</em></td><td>)</td>
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<p>Called by clients to cancel an RPC on the server. </p>
<p>Can be called multiple times, from any thread. THREAD-SAFETY grpc_call_cancel and grpc_call_cancel_with_status are thread-safe, and can be called at any point before grpc_call_destroy is called. </p>
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<td class="memname"><a class="el" href="grpc_8h.html#a0d5a8bdd6d53d209cacea4b6fa5d785b">grpc_call_error</a> grpc_call_cancel_with_status </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>call</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="status_8h.html#a35ab2a68917eb836de84cb23253108eb">grpc_status_code</a>&#160;</td>
<td class="paramname"><em>status</em>, </td>
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<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>description</em>&#160;</td>
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<p>Called by clients to cancel an RPC on the server. </p>
<p>Can be called multiple times, from any thread. If a status has not been received for the call, set it to the status code and description passed in. Importantly, this function does not send status nor description to the remote endpoint. </p>
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<td class="memname">void* grpc_call_context_get </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>call</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="channel_2context_8h.html#ad9f29fba1468a9a1384b9104bf368dff">grpc_context_index</a>&#160;</td>
<td class="paramname"><em>elem</em>&#160;</td>
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<td class="memname">void grpc_call_context_set </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>call</em>, </td>
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<td class="paramtype"><a class="el" href="channel_2context_8h.html#ad9f29fba1468a9a1384b9104bf368dff">grpc_context_index</a>&#160;</td>
<td class="paramname"><em>elem</em>, </td>
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<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>value</em>, </td>
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<td class="paramtype">void(*)(void *<a class="el" href="hpack__table_8c.html#a8556878012feffc9e0beb86cd78f424d">value</a>)&#160;</td>
<td class="paramname"><em>destroy</em>&#160;</td>
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<td class="memname"><a class="el" href="structgrpc__call.html">grpc_call</a>* grpc_call_create </td>
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<td class="paramtype"><a class="el" href="structgrpc__channel.html">grpc_channel</a> *&#160;</td>
<td class="paramname"><em>channel</em>, </td>
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<td class="paramtype"><a class="el" href="structgrpc__completion__queue.html">grpc_completion_queue</a> *&#160;</td>
<td class="paramname"><em>cq</em>, </td>
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<td class="paramtype">const void *&#160;</td>
<td class="paramname"><em>server_transport_data</em>, </td>
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<td class="paramtype"><a class="el" href="structgrpc__mdelem.html">grpc_mdelem</a> **&#160;</td>
<td class="paramname"><em>add_initial_metadata</em>, </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>add_initial_metadata_count</em>, </td>
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<td class="paramtype"><a class="el" href="structgpr__timespec.html">gpr_timespec</a>&#160;</td>
<td class="paramname"><em>send_deadline</em>&#160;</td>
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<td class="memname">void grpc_call_destroy </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>call</em></td><td>)</td>
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<p>Destroy a call. </p>
<p>THREAD SAFETY: grpc_call_destroy is thread-compatible </p>
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<td class="memname"><a class="el" href="structgrpc__call.html">grpc_call</a>* grpc_call_from_top_element </td>
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<td class="paramtype"><a class="el" href="structgrpc__call__element.html">grpc_call_element</a> *&#160;</td>
<td class="paramname"><em>elem</em></td><td>)</td>
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<td class="memname"><a class="el" href="structgrpc__call__stack.html">grpc_call_stack</a>* grpc_call_get_call_stack </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>call</em></td><td>)</td>
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<td class="memname"><a class="el" href="structgrpc__completion__queue.html">grpc_completion_queue</a>* grpc_call_get_completion_queue </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>call</em></td><td>)</td>
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<td class="memname"><a class="el" href="compression_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> grpc_call_get_compression_algorithm </td>
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<td class="paramtype">const <a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>call</em></td><td>)</td>
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<td class="memname">char* grpc_call_get_peer </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
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<p>Returns a newly allocated string representing the endpoint to which this call is communicating with. </p>
<p>The string is in the uri format accepted by grpc_channel_create. The returned string should be disposed of with <a class="el" href="alloc_8h.html#ae0d621b472031a64c77bd2e9fea495e8">gpr_free()</a>.</p>
<p>WARNING: this value is never authenticated or subject to any security related code. It must not be used for any authentication related functionality. Instead, use <a class="el" href="structgrpc__auth__context.html">grpc_auth_context</a>. </p>
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<td class="memname">void grpc_call_internal_ref </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>c</em></td><td>)</td>
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<td class="memname">void grpc_call_internal_unref </td>
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<td class="paramtype">int&#160;</td>
<td class="paramname"><em>allow_immediate_deletion</em>&#160;</td>
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<td class="memname"><a class="el" href="port__platform_8h.html#aeeb41e29e7c7a916a4e0fb6cfb9f92e0">gpr_uint8</a> grpc_call_is_client </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
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<td class="memname">void grpc_call_set_completion_queue </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
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<td class="paramtype"><a class="el" href="structgrpc__completion__queue.html">grpc_completion_queue</a> *&#160;</td>
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<td class="memname"><a class="el" href="grpc_8h.html#a0d5a8bdd6d53d209cacea4b6fa5d785b">grpc_call_error</a> grpc_call_start_batch </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
<td class="paramname"><em>call</em>, </td>
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<td class="paramtype">const <a class="el" href="structgrpc__op.html">grpc_op</a> *&#160;</td>
<td class="paramname"><em>ops</em>, </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>nops</em>, </td>
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<td class="paramtype">void *&#160;</td>
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<p>Start a batch of operations defined in the array ops; when complete, post a completion of type 'tag' to the completion queue bound to the call. </p>
<p>The order of ops specified in the batch has no significance. Only one operation of each type can be active at once in any given batch. You must call grpc_completion_queue_next or grpc_completion_queue_pluck on the completion queue associated with 'call' for work to be performed. THREAD SAFETY: access to grpc_call_start_batch in multi-threaded environment needs to be synchronized. As an optimization, you may synchronize batches containing just send operations independently from batches containing just receive operations. </p>
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<td class="memname"><a class="el" href="grpc_8h.html#a0d5a8bdd6d53d209cacea4b6fa5d785b">grpc_call_error</a> grpc_call_start_ioreq_and_call_back </td>
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<td class="paramtype"><a class="el" href="structgrpc__call.html">grpc_call</a> *&#160;</td>
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<td class="paramtype">const <a class="el" href="structgrpc__ioreq.html">grpc_ioreq</a> *&#160;</td>
<td class="paramname"><em>reqs</em>, </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>nreqs</em>, </td>
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<td class="paramtype"><a class="el" href="call_8h.html#ac4899ae8f97f4bc7e61ae178d853373b">grpc_ioreq_completion_func</a>&#160;</td>
<td class="paramname"><em>on_complete</em>, </td>
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<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>user_data</em>&#160;</td>
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