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<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_callbacks_set_on_stream_close_callback.html">nghttp2_session_callbacks_set_on_stream_close_callback</a></li>
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<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_callbacks_set_select_padding_callback.html">nghttp2_session_callbacks_set_select_padding_callback</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_callbacks_set_send_callback.html">nghttp2_session_callbacks_set_send_callback</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_callbacks_set_send_data_callback.html">nghttp2_session_callbacks_set_send_data_callback</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_change_stream_priority.html">nghttp2_session_change_stream_priority</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_check_request_allowed.html">nghttp2_session_check_request_allowed</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_check_server_session.html">nghttp2_session_check_server_session</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_client_new.html">nghttp2_session_client_new</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_client_new2.html">nghttp2_session_client_new2</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_client_new3.html">nghttp2_session_client_new3</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_consume.html">nghttp2_session_consume</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_consume_connection.html">nghttp2_session_consume_connection</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_consume_stream.html">nghttp2_session_consume_stream</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_create_idle_stream.html">nghttp2_session_create_idle_stream</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_del.html">nghttp2_session_del</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_find_stream.html">nghttp2_session_find_stream</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_effective_local_window_size.html">nghttp2_session_get_effective_local_window_size</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_effective_recv_data_length.html">nghttp2_session_get_effective_recv_data_length</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_last_proc_stream_id.html">nghttp2_session_get_last_proc_stream_id</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_next_stream_id.html">nghttp2_session_get_next_stream_id</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_outbound_queue_size.html">nghttp2_session_get_outbound_queue_size</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_remote_settings.html">nghttp2_session_get_remote_settings</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_remote_window_size.html">nghttp2_session_get_remote_window_size</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_root_stream.html">nghttp2_session_get_root_stream</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_stream_effective_local_window_size.html">nghttp2_session_get_stream_effective_local_window_size</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_stream_effective_recv_data_length.html">nghttp2_session_get_stream_effective_recv_data_length</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_stream_local_close.html">nghttp2_session_get_stream_local_close</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_stream_remote_close.html">nghttp2_session_get_stream_remote_close</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_stream_remote_window_size.html">nghttp2_session_get_stream_remote_window_size</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_get_stream_user_data.html">nghttp2_session_get_stream_user_data</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_mem_recv.html">nghttp2_session_mem_recv</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_mem_send.html">nghttp2_session_mem_send</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_recv.html">nghttp2_session_recv</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_resume_data.html">nghttp2_session_resume_data</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_send.html">nghttp2_session_send</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_server_new.html">nghttp2_session_server_new</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_server_new2.html">nghttp2_session_server_new2</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_server_new3.html">nghttp2_session_server_new3</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_set_next_stream_id.html">nghttp2_session_set_next_stream_id</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_set_stream_user_data.html">nghttp2_session_set_stream_user_data</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_terminate_session.html">nghttp2_session_terminate_session</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_terminate_session2.html">nghttp2_session_terminate_session2</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_upgrade.html">nghttp2_session_upgrade</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_upgrade2.html">nghttp2_session_upgrade2</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_want_read.html">nghttp2_session_want_read</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_session_want_write.html">nghttp2_session_want_write</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_stream_get_first_child.html">nghttp2_stream_get_first_child</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_stream_get_next_sibling.html">nghttp2_stream_get_next_sibling</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_stream_get_parent.html">nghttp2_stream_get_parent</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_stream_get_previous_sibling.html">nghttp2_stream_get_previous_sibling</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_stream_get_state.html">nghttp2_stream_get_state</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_stream_get_sum_dependency_weight.html">nghttp2_stream_get_sum_dependency_weight</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_stream_get_weight.html">nghttp2_stream_get_weight</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_strerror.html">nghttp2_strerror</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_data.html">nghttp2_submit_data</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_goaway.html">nghttp2_submit_goaway</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_headers.html">nghttp2_submit_headers</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_ping.html">nghttp2_submit_ping</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_priority.html">nghttp2_submit_priority</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_push_promise.html">nghttp2_submit_push_promise</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_request.html">nghttp2_submit_request</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_response.html">nghttp2_submit_response</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_rst_stream.html">nghttp2_submit_rst_stream</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_settings.html">nghttp2_submit_settings</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_shutdown_notice.html">nghttp2_submit_shutdown_notice</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_trailer.html">nghttp2_submit_trailer</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_submit_window_update.html">nghttp2_submit_window_update</a></li>
<li class="toctree-l2"><a class="reference internal" href="nghttp2_version.html">nghttp2_version</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="libnghttp2_asio.html">libnghttp2_asio: High level HTTP/2 C++ library</a></li>
<li class="toctree-l1"><a class="reference internal" href="python-apiref.html">Python API Reference</a></li>
<li class="toctree-l1"><a class="reference internal" href="nghttp2.h.html">nghttp2.h</a></li>
<li class="toctree-l1"><a class="reference internal" href="nghttp2ver.h.html">nghttp2ver.h</a></li>
<li class="toctree-l1"><a class="reference internal" href="asio_http2_server.h.html">asio_http2_server.h</a></li>
<li class="toctree-l1"><a class="reference internal" href="asio_http2_client.h.html">asio_http2_client.h</a></li>
<li class="toctree-l1"><a class="reference internal" href="asio_http2.h.html">asio_http2.h</a></li>
<li class="toctree-l1"><a class="reference external" href="https://github.com/tatsuhiro-t/nghttp2">Source</a></li>
<li class="toctree-l1"><a class="reference external" href="https://github.com/tatsuhiro-t/nghttp2/issues">Issues</a></li>
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  <div class="section" id="enums">
<h1>Enums<a class="headerlink" href="#enums" title="Permalink to this headline"></a></h1>
<dl class="type">
<dt id="c.nghttp2_error">
<code class="descname">nghttp2_error</code><a class="headerlink" href="#c.nghttp2_error" title="Permalink to this definition"></a></dt>
<dd><p>Error codes used in this library.  The code range is [-999, -500],
inclusive. The following values are defined:</p>
<dl class="macro">
<dt id="c.NGHTTP2_ERR_INVALID_ARGUMENT">
<code class="descname">NGHTTP2_ERR_INVALID_ARGUMENT</code><a class="headerlink" href="#c.NGHTTP2_ERR_INVALID_ARGUMENT" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-501</span></code>)
Invalid argument passed.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_BUFFER_ERROR">
<code class="descname">NGHTTP2_ERR_BUFFER_ERROR</code><a class="headerlink" href="#c.NGHTTP2_ERR_BUFFER_ERROR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-502</span></code>)
Out of buffer space.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_UNSUPPORTED_VERSION">
<code class="descname">NGHTTP2_ERR_UNSUPPORTED_VERSION</code><a class="headerlink" href="#c.NGHTTP2_ERR_UNSUPPORTED_VERSION" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-503</span></code>)
The specified protocol version is not supported.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_WOULDBLOCK">
<code class="descname">NGHTTP2_ERR_WOULDBLOCK</code><a class="headerlink" href="#c.NGHTTP2_ERR_WOULDBLOCK" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-504</span></code>)
Used as a return value from <a class="reference internal" href="types.html#c.nghttp2_send_callback" title="nghttp2_send_callback"><code class="xref c c-type docutils literal"><span class="pre">nghttp2_send_callback</span></code></a>,
<a class="reference internal" href="types.html#c.nghttp2_recv_callback" title="nghttp2_recv_callback"><code class="xref c c-type docutils literal"><span class="pre">nghttp2_recv_callback</span></code></a> and
<a class="reference internal" href="types.html#c.nghttp2_send_data_callback" title="nghttp2_send_data_callback"><code class="xref c c-type docutils literal"><span class="pre">nghttp2_send_data_callback</span></code></a> to indicate that the operation
would block.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_PROTO">
<code class="descname">NGHTTP2_ERR_PROTO</code><a class="headerlink" href="#c.NGHTTP2_ERR_PROTO" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-505</span></code>)
General protocol error</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_INVALID_FRAME">
<code class="descname">NGHTTP2_ERR_INVALID_FRAME</code><a class="headerlink" href="#c.NGHTTP2_ERR_INVALID_FRAME" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-506</span></code>)
The frame is invalid.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_EOF">
<code class="descname">NGHTTP2_ERR_EOF</code><a class="headerlink" href="#c.NGHTTP2_ERR_EOF" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-507</span></code>)
The peer performed a shutdown on the connection.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_DEFERRED">
<code class="descname">NGHTTP2_ERR_DEFERRED</code><a class="headerlink" href="#c.NGHTTP2_ERR_DEFERRED" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-508</span></code>)
Used as a return value from
<a class="reference internal" href="types.html#c.nghttp2_data_source_read_callback" title="nghttp2_data_source_read_callback"><code class="xref c c-func docutils literal"><span class="pre">nghttp2_data_source_read_callback()</span></code></a> to indicate that data
transfer is postponed.  See
<a class="reference internal" href="types.html#c.nghttp2_data_source_read_callback" title="nghttp2_data_source_read_callback"><code class="xref c c-func docutils literal"><span class="pre">nghttp2_data_source_read_callback()</span></code></a> for details.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE">
<code class="descname">NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE</code><a class="headerlink" href="#c.NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-509</span></code>)
Stream ID has reached the maximum value.  Therefore no stream ID
is available.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_STREAM_CLOSED">
<code class="descname">NGHTTP2_ERR_STREAM_CLOSED</code><a class="headerlink" href="#c.NGHTTP2_ERR_STREAM_CLOSED" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-510</span></code>)
The stream is already closed; or the stream ID is invalid.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_STREAM_CLOSING">
<code class="descname">NGHTTP2_ERR_STREAM_CLOSING</code><a class="headerlink" href="#c.NGHTTP2_ERR_STREAM_CLOSING" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-511</span></code>)
RST_STREAM has been added to the outbound queue.  The stream is
in closing state.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_STREAM_SHUT_WR">
<code class="descname">NGHTTP2_ERR_STREAM_SHUT_WR</code><a class="headerlink" href="#c.NGHTTP2_ERR_STREAM_SHUT_WR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-512</span></code>)
The transmission is not allowed for this stream (e.g., a frame
with END_STREAM flag set has already sent).</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_INVALID_STREAM_ID">
<code class="descname">NGHTTP2_ERR_INVALID_STREAM_ID</code><a class="headerlink" href="#c.NGHTTP2_ERR_INVALID_STREAM_ID" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-513</span></code>)
The stream ID is invalid.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_INVALID_STREAM_STATE">
<code class="descname">NGHTTP2_ERR_INVALID_STREAM_STATE</code><a class="headerlink" href="#c.NGHTTP2_ERR_INVALID_STREAM_STATE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-514</span></code>)
The state of the stream is not valid (e.g., DATA cannot be sent
to the stream if response HEADERS has not been sent).</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_DEFERRED_DATA_EXIST">
<code class="descname">NGHTTP2_ERR_DEFERRED_DATA_EXIST</code><a class="headerlink" href="#c.NGHTTP2_ERR_DEFERRED_DATA_EXIST" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-515</span></code>)
Another DATA frame has already been deferred.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_START_STREAM_NOT_ALLOWED">
<code class="descname">NGHTTP2_ERR_START_STREAM_NOT_ALLOWED</code><a class="headerlink" href="#c.NGHTTP2_ERR_START_STREAM_NOT_ALLOWED" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-516</span></code>)
Starting new stream is not allowed (e.g., GOAWAY has been sent
and/or received).</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_GOAWAY_ALREADY_SENT">
<code class="descname">NGHTTP2_ERR_GOAWAY_ALREADY_SENT</code><a class="headerlink" href="#c.NGHTTP2_ERR_GOAWAY_ALREADY_SENT" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-517</span></code>)
GOAWAY has already been sent.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_INVALID_HEADER_BLOCK">
<code class="descname">NGHTTP2_ERR_INVALID_HEADER_BLOCK</code><a class="headerlink" href="#c.NGHTTP2_ERR_INVALID_HEADER_BLOCK" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-518</span></code>)
The received frame contains the invalid header block (e.g., There
are duplicate header names; or the header names are not encoded
in US-ASCII character set and not lower cased; or the header name
is zero-length string; or the header value contains multiple
in-sequence NUL bytes).</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_INVALID_STATE">
<code class="descname">NGHTTP2_ERR_INVALID_STATE</code><a class="headerlink" href="#c.NGHTTP2_ERR_INVALID_STATE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-519</span></code>)
Indicates that the context is not suitable to perform the
requested operation.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE">
<code class="descname">NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE</code><a class="headerlink" href="#c.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-521</span></code>)
The user callback function failed due to the temporal error.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_FRAME_SIZE_ERROR">
<code class="descname">NGHTTP2_ERR_FRAME_SIZE_ERROR</code><a class="headerlink" href="#c.NGHTTP2_ERR_FRAME_SIZE_ERROR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-522</span></code>)
The length of the frame is invalid, either too large or too small.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_HEADER_COMP">
<code class="descname">NGHTTP2_ERR_HEADER_COMP</code><a class="headerlink" href="#c.NGHTTP2_ERR_HEADER_COMP" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-523</span></code>)
Header block inflate/deflate error.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_FLOW_CONTROL">
<code class="descname">NGHTTP2_ERR_FLOW_CONTROL</code><a class="headerlink" href="#c.NGHTTP2_ERR_FLOW_CONTROL" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-524</span></code>)
Flow control error</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_INSUFF_BUFSIZE">
<code class="descname">NGHTTP2_ERR_INSUFF_BUFSIZE</code><a class="headerlink" href="#c.NGHTTP2_ERR_INSUFF_BUFSIZE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-525</span></code>)
Insufficient buffer size given to function.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_PAUSE">
<code class="descname">NGHTTP2_ERR_PAUSE</code><a class="headerlink" href="#c.NGHTTP2_ERR_PAUSE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-526</span></code>)
Callback was paused by the application</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_TOO_MANY_INFLIGHT_SETTINGS">
<code class="descname">NGHTTP2_ERR_TOO_MANY_INFLIGHT_SETTINGS</code><a class="headerlink" href="#c.NGHTTP2_ERR_TOO_MANY_INFLIGHT_SETTINGS" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-527</span></code>)
There are too many in-flight SETTING frame and no more
transmission of SETTINGS is allowed.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_PUSH_DISABLED">
<code class="descname">NGHTTP2_ERR_PUSH_DISABLED</code><a class="headerlink" href="#c.NGHTTP2_ERR_PUSH_DISABLED" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-528</span></code>)
The server push is disabled.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_DATA_EXIST">
<code class="descname">NGHTTP2_ERR_DATA_EXIST</code><a class="headerlink" href="#c.NGHTTP2_ERR_DATA_EXIST" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-529</span></code>)
DATA or HEADERS frame for a given stream has been already
submitted and has not been fully processed yet.  Application
should wait for the transmission of the previously submitted
frame before submitting another.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_SESSION_CLOSING">
<code class="descname">NGHTTP2_ERR_SESSION_CLOSING</code><a class="headerlink" href="#c.NGHTTP2_ERR_SESSION_CLOSING" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-530</span></code>)
The current session is closing due to a connection error or
<a class="reference internal" href="nghttp2_session_terminate_session.html#c.nghttp2_session_terminate_session" title="nghttp2_session_terminate_session"><code class="xref c c-func docutils literal"><span class="pre">nghttp2_session_terminate_session()</span></code></a> is called.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_HTTP_HEADER">
<code class="descname">NGHTTP2_ERR_HTTP_HEADER</code><a class="headerlink" href="#c.NGHTTP2_ERR_HTTP_HEADER" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-531</span></code>)
Invalid HTTP header field was received and stream is going to be
closed.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_HTTP_MESSAGING">
<code class="descname">NGHTTP2_ERR_HTTP_MESSAGING</code><a class="headerlink" href="#c.NGHTTP2_ERR_HTTP_MESSAGING" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-532</span></code>)
Violation in HTTP messaging rule.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_REFUSED_STREAM">
<code class="descname">NGHTTP2_ERR_REFUSED_STREAM</code><a class="headerlink" href="#c.NGHTTP2_ERR_REFUSED_STREAM" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-533</span></code>)
Stream was refused.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_INTERNAL">
<code class="descname">NGHTTP2_ERR_INTERNAL</code><a class="headerlink" href="#c.NGHTTP2_ERR_INTERNAL" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-534</span></code>)
Unexpected internal error, but recovered.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_FATAL">
<code class="descname">NGHTTP2_ERR_FATAL</code><a class="headerlink" href="#c.NGHTTP2_ERR_FATAL" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-900</span></code>)
The errors &lt; <a class="reference internal" href="#c.NGHTTP2_ERR_FATAL" title="NGHTTP2_ERR_FATAL"><code class="xref c c-macro docutils literal"><span class="pre">NGHTTP2_ERR_FATAL</span></code></a> mean that the library is
under unexpected condition and processing was terminated (e.g.,
out of memory).  If application receives this error code, it must
stop using that <a class="reference internal" href="types.html#c.nghttp2_session" title="nghttp2_session"><code class="xref c c-type docutils literal"><span class="pre">nghttp2_session</span></code></a> object and only allowed
operation for that object is deallocate it using
<a class="reference internal" href="nghttp2_session_del.html#c.nghttp2_session_del" title="nghttp2_session_del"><code class="xref c c-func docutils literal"><span class="pre">nghttp2_session_del()</span></code></a>.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_NOMEM">
<code class="descname">NGHTTP2_ERR_NOMEM</code><a class="headerlink" href="#c.NGHTTP2_ERR_NOMEM" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-901</span></code>)
Out of memory.  This is a fatal error.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_CALLBACK_FAILURE">
<code class="descname">NGHTTP2_ERR_CALLBACK_FAILURE</code><a class="headerlink" href="#c.NGHTTP2_ERR_CALLBACK_FAILURE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-902</span></code>)
The user callback function failed.  This is a fatal error.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_BAD_CLIENT_MAGIC">
<code class="descname">NGHTTP2_ERR_BAD_CLIENT_MAGIC</code><a class="headerlink" href="#c.NGHTTP2_ERR_BAD_CLIENT_MAGIC" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-903</span></code>)
Invalid client magic (see <a class="reference internal" href="macros.html#c.NGHTTP2_CLIENT_MAGIC" title="NGHTTP2_CLIENT_MAGIC"><code class="xref c c-macro docutils literal"><span class="pre">NGHTTP2_CLIENT_MAGIC</span></code></a>) was
received and further processing is not possible.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ERR_FLOODED">
<code class="descname">NGHTTP2_ERR_FLOODED</code><a class="headerlink" href="#c.NGHTTP2_ERR_FLOODED" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">-904</span></code>)
Possible flooding by peer was detected in this HTTP/2 session.
Flooding is measured by how many PING and SETTINGS frames with
ACK flag set are queued for transmission.  These frames are
response for the peer initiated frames, and peer can cause memory
exhaustion on server side to send these frames forever and does
not read network.</p>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="c.nghttp2_nv_flag">
<code class="descname">nghttp2_nv_flag</code><a class="headerlink" href="#c.nghttp2_nv_flag" title="Permalink to this definition"></a></dt>
<dd><p>The flags for header field name/value pair.</p>
<dl class="macro">
<dt id="c.NGHTTP2_NV_FLAG_NONE">
<code class="descname">NGHTTP2_NV_FLAG_NONE</code><a class="headerlink" href="#c.NGHTTP2_NV_FLAG_NONE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0</span></code>)
No flag set.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_NV_FLAG_NO_INDEX">
<code class="descname">NGHTTP2_NV_FLAG_NO_INDEX</code><a class="headerlink" href="#c.NGHTTP2_NV_FLAG_NO_INDEX" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x01</span></code>)
Indicates that this name/value pair must not be indexed (&quot;Literal
Header Field never Indexed&quot; representation must be used in HPACK
encoding).  Other implementation calls this bit as &quot;sensitive&quot;.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_NV_FLAG_NO_COPY_NAME">
<code class="descname">NGHTTP2_NV_FLAG_NO_COPY_NAME</code><a class="headerlink" href="#c.NGHTTP2_NV_FLAG_NO_COPY_NAME" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x02</span></code>)
This flag is set solely by application.  If this flag is set, the
library does not make a copy of header field name.  This could
improve performance.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_NV_FLAG_NO_COPY_VALUE">
<code class="descname">NGHTTP2_NV_FLAG_NO_COPY_VALUE</code><a class="headerlink" href="#c.NGHTTP2_NV_FLAG_NO_COPY_VALUE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x04</span></code>)
This flag is set solely by application.  If this flag is set, the
library does not make a copy of header field value.  This could
improve performance.</p>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="c.nghttp2_frame_type">
<code class="descname">nghttp2_frame_type</code><a class="headerlink" href="#c.nghttp2_frame_type" title="Permalink to this definition"></a></dt>
<dd><p>The frame types in HTTP/2 specification.</p>
<dl class="macro">
<dt id="c.NGHTTP2_DATA">
<code class="descname">NGHTTP2_DATA</code><a class="headerlink" href="#c.NGHTTP2_DATA" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0</span></code>)
The DATA frame.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_HEADERS">
<code class="descname">NGHTTP2_HEADERS</code><a class="headerlink" href="#c.NGHTTP2_HEADERS" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x01</span></code>)
The HEADERS frame.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_PRIORITY">
<code class="descname">NGHTTP2_PRIORITY</code><a class="headerlink" href="#c.NGHTTP2_PRIORITY" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x02</span></code>)
The PRIORITY frame.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_RST_STREAM">
<code class="descname">NGHTTP2_RST_STREAM</code><a class="headerlink" href="#c.NGHTTP2_RST_STREAM" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x03</span></code>)
The RST_STREAM frame.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_SETTINGS">
<code class="descname">NGHTTP2_SETTINGS</code><a class="headerlink" href="#c.NGHTTP2_SETTINGS" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x04</span></code>)
The SETTINGS frame.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_PUSH_PROMISE">
<code class="descname">NGHTTP2_PUSH_PROMISE</code><a class="headerlink" href="#c.NGHTTP2_PUSH_PROMISE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x05</span></code>)
The PUSH_PROMISE frame.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_PING">
<code class="descname">NGHTTP2_PING</code><a class="headerlink" href="#c.NGHTTP2_PING" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x06</span></code>)
The PING frame.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_GOAWAY">
<code class="descname">NGHTTP2_GOAWAY</code><a class="headerlink" href="#c.NGHTTP2_GOAWAY" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x07</span></code>)
The GOAWAY frame.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_WINDOW_UPDATE">
<code class="descname">NGHTTP2_WINDOW_UPDATE</code><a class="headerlink" href="#c.NGHTTP2_WINDOW_UPDATE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x08</span></code>)
The WINDOW_UPDATE frame.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_CONTINUATION">
<code class="descname">NGHTTP2_CONTINUATION</code><a class="headerlink" href="#c.NGHTTP2_CONTINUATION" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x09</span></code>)
The CONTINUATION frame.  This frame type won't be passed to any
callbacks because the library processes this frame type and its
preceding HEADERS/PUSH_PROMISE as a single frame.</p>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="c.nghttp2_flag">
<code class="descname">nghttp2_flag</code><a class="headerlink" href="#c.nghttp2_flag" title="Permalink to this definition"></a></dt>
<dd><p>The flags for HTTP/2 frames.  This enum defines all flags for all
frames.</p>
<dl class="macro">
<dt id="c.NGHTTP2_FLAG_NONE">
<code class="descname">NGHTTP2_FLAG_NONE</code><a class="headerlink" href="#c.NGHTTP2_FLAG_NONE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0</span></code>)
No flag set.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_FLAG_END_STREAM">
<code class="descname">NGHTTP2_FLAG_END_STREAM</code><a class="headerlink" href="#c.NGHTTP2_FLAG_END_STREAM" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x01</span></code>)
The END_STREAM flag.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_FLAG_END_HEADERS">
<code class="descname">NGHTTP2_FLAG_END_HEADERS</code><a class="headerlink" href="#c.NGHTTP2_FLAG_END_HEADERS" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x04</span></code>)
The END_HEADERS flag.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_FLAG_ACK">
<code class="descname">NGHTTP2_FLAG_ACK</code><a class="headerlink" href="#c.NGHTTP2_FLAG_ACK" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x01</span></code>)
The ACK flag.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_FLAG_PADDED">
<code class="descname">NGHTTP2_FLAG_PADDED</code><a class="headerlink" href="#c.NGHTTP2_FLAG_PADDED" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x08</span></code>)
The PADDED flag.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_FLAG_PRIORITY">
<code class="descname">NGHTTP2_FLAG_PRIORITY</code><a class="headerlink" href="#c.NGHTTP2_FLAG_PRIORITY" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x20</span></code>)
The PRIORITY flag.</p>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="c.nghttp2_settings_id">
<code class="descname">nghttp2_settings_id</code><a class="headerlink" href="#c.nghttp2_settings_id" title="Permalink to this definition"></a></dt>
<dd><p>The SETTINGS ID.</p>
<dl class="macro">
<dt id="c.NGHTTP2_SETTINGS_HEADER_TABLE_SIZE">
<code class="descname">NGHTTP2_SETTINGS_HEADER_TABLE_SIZE</code><a class="headerlink" href="#c.NGHTTP2_SETTINGS_HEADER_TABLE_SIZE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x01</span></code>)
SETTINGS_HEADER_TABLE_SIZE</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_SETTINGS_ENABLE_PUSH">
<code class="descname">NGHTTP2_SETTINGS_ENABLE_PUSH</code><a class="headerlink" href="#c.NGHTTP2_SETTINGS_ENABLE_PUSH" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x02</span></code>)
SETTINGS_ENABLE_PUSH</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS">
<code class="descname">NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS</code><a class="headerlink" href="#c.NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x03</span></code>)
SETTINGS_MAX_CONCURRENT_STREAMS</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE">
<code class="descname">NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE</code><a class="headerlink" href="#c.NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x04</span></code>)
SETTINGS_INITIAL_WINDOW_SIZE</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_SETTINGS_MAX_FRAME_SIZE">
<code class="descname">NGHTTP2_SETTINGS_MAX_FRAME_SIZE</code><a class="headerlink" href="#c.NGHTTP2_SETTINGS_MAX_FRAME_SIZE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x05</span></code>)
SETTINGS_MAX_FRAME_SIZE</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE">
<code class="descname">NGHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE</code><a class="headerlink" href="#c.NGHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x06</span></code>)
SETTINGS_MAX_HEADER_LIST_SIZE</p>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="c.nghttp2_error_code">
<code class="descname">nghttp2_error_code</code><a class="headerlink" href="#c.nghttp2_error_code" title="Permalink to this definition"></a></dt>
<dd><p>The status codes for the RST_STREAM and GOAWAY frames.</p>
<dl class="macro">
<dt id="c.NGHTTP2_NO_ERROR">
<code class="descname">NGHTTP2_NO_ERROR</code><a class="headerlink" href="#c.NGHTTP2_NO_ERROR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x00</span></code>)
No errors.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_PROTOCOL_ERROR">
<code class="descname">NGHTTP2_PROTOCOL_ERROR</code><a class="headerlink" href="#c.NGHTTP2_PROTOCOL_ERROR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x01</span></code>)
PROTOCOL_ERROR</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_INTERNAL_ERROR">
<code class="descname">NGHTTP2_INTERNAL_ERROR</code><a class="headerlink" href="#c.NGHTTP2_INTERNAL_ERROR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x02</span></code>)
INTERNAL_ERROR</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_FLOW_CONTROL_ERROR">
<code class="descname">NGHTTP2_FLOW_CONTROL_ERROR</code><a class="headerlink" href="#c.NGHTTP2_FLOW_CONTROL_ERROR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x03</span></code>)
FLOW_CONTROL_ERROR</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_SETTINGS_TIMEOUT">
<code class="descname">NGHTTP2_SETTINGS_TIMEOUT</code><a class="headerlink" href="#c.NGHTTP2_SETTINGS_TIMEOUT" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x04</span></code>)
SETTINGS_TIMEOUT</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_STREAM_CLOSED">
<code class="descname">NGHTTP2_STREAM_CLOSED</code><a class="headerlink" href="#c.NGHTTP2_STREAM_CLOSED" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x05</span></code>)
STREAM_CLOSED</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_FRAME_SIZE_ERROR">
<code class="descname">NGHTTP2_FRAME_SIZE_ERROR</code><a class="headerlink" href="#c.NGHTTP2_FRAME_SIZE_ERROR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x06</span></code>)
FRAME_SIZE_ERROR</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_REFUSED_STREAM">
<code class="descname">NGHTTP2_REFUSED_STREAM</code><a class="headerlink" href="#c.NGHTTP2_REFUSED_STREAM" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x07</span></code>)
REFUSED_STREAM</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_CANCEL">
<code class="descname">NGHTTP2_CANCEL</code><a class="headerlink" href="#c.NGHTTP2_CANCEL" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x08</span></code>)
CANCEL</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_COMPRESSION_ERROR">
<code class="descname">NGHTTP2_COMPRESSION_ERROR</code><a class="headerlink" href="#c.NGHTTP2_COMPRESSION_ERROR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x09</span></code>)
COMPRESSION_ERROR</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_CONNECT_ERROR">
<code class="descname">NGHTTP2_CONNECT_ERROR</code><a class="headerlink" href="#c.NGHTTP2_CONNECT_ERROR" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x0a</span></code>)
CONNECT_ERROR</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_ENHANCE_YOUR_CALM">
<code class="descname">NGHTTP2_ENHANCE_YOUR_CALM</code><a class="headerlink" href="#c.NGHTTP2_ENHANCE_YOUR_CALM" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x0b</span></code>)
ENHANCE_YOUR_CALM</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_INADEQUATE_SECURITY">
<code class="descname">NGHTTP2_INADEQUATE_SECURITY</code><a class="headerlink" href="#c.NGHTTP2_INADEQUATE_SECURITY" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x0c</span></code>)
INADEQUATE_SECURITY</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_HTTP_1_1_REQUIRED">
<code class="descname">NGHTTP2_HTTP_1_1_REQUIRED</code><a class="headerlink" href="#c.NGHTTP2_HTTP_1_1_REQUIRED" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x0d</span></code>)
HTTP_1_1_REQUIRED</p>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="c.nghttp2_data_flag">
<code class="descname">nghttp2_data_flag</code><a class="headerlink" href="#c.nghttp2_data_flag" title="Permalink to this definition"></a></dt>
<dd><p>The flags used to set in <em>data_flags</em> output parameter in
<a class="reference internal" href="types.html#c.nghttp2_data_source_read_callback" title="nghttp2_data_source_read_callback"><code class="xref c c-type docutils literal"><span class="pre">nghttp2_data_source_read_callback</span></code></a>.</p>
<dl class="macro">
<dt id="c.NGHTTP2_DATA_FLAG_NONE">
<code class="descname">NGHTTP2_DATA_FLAG_NONE</code><a class="headerlink" href="#c.NGHTTP2_DATA_FLAG_NONE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0</span></code>)
No flag set.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_DATA_FLAG_EOF">
<code class="descname">NGHTTP2_DATA_FLAG_EOF</code><a class="headerlink" href="#c.NGHTTP2_DATA_FLAG_EOF" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x01</span></code>)
Indicates EOF was sensed.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_DATA_FLAG_NO_END_STREAM">
<code class="descname">NGHTTP2_DATA_FLAG_NO_END_STREAM</code><a class="headerlink" href="#c.NGHTTP2_DATA_FLAG_NO_END_STREAM" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x02</span></code>)
Indicates that END_STREAM flag must not be set even if
NGHTTP2_DATA_FLAG_EOF is set.  Usually this flag is used to send
trailer fields with <a class="reference internal" href="nghttp2_submit_request.html#c.nghttp2_submit_request" title="nghttp2_submit_request"><code class="xref c c-func docutils literal"><span class="pre">nghttp2_submit_request()</span></code></a> or
<a class="reference internal" href="nghttp2_submit_response.html#c.nghttp2_submit_response" title="nghttp2_submit_response"><code class="xref c c-func docutils literal"><span class="pre">nghttp2_submit_response()</span></code></a>.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_DATA_FLAG_NO_COPY">
<code class="descname">NGHTTP2_DATA_FLAG_NO_COPY</code><a class="headerlink" href="#c.NGHTTP2_DATA_FLAG_NO_COPY" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x04</span></code>)
Indicates that application will send complete DATA frame in
<a class="reference internal" href="types.html#c.nghttp2_send_data_callback" title="nghttp2_send_data_callback"><code class="xref c c-type docutils literal"><span class="pre">nghttp2_send_data_callback</span></code></a>.</p>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="c.nghttp2_headers_category">
<code class="descname">nghttp2_headers_category</code><a class="headerlink" href="#c.nghttp2_headers_category" title="Permalink to this definition"></a></dt>
<dd><p>The category of HEADERS, which indicates the role of the frame.  In
HTTP/2 spec, request, response, push response and other arbitrary
headers (e.g., trailer fields) are all called just HEADERS.  To
give the application the role of incoming HEADERS frame, we define
several categories.</p>
<dl class="macro">
<dt id="c.NGHTTP2_HCAT_REQUEST">
<code class="descname">NGHTTP2_HCAT_REQUEST</code><a class="headerlink" href="#c.NGHTTP2_HCAT_REQUEST" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0</span></code>)
The HEADERS frame is opening new stream, which is analogous to
SYN_STREAM in SPDY.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_HCAT_RESPONSE">
<code class="descname">NGHTTP2_HCAT_RESPONSE</code><a class="headerlink" href="#c.NGHTTP2_HCAT_RESPONSE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">1</span></code>)
The HEADERS frame is the first response headers, which is
analogous to SYN_REPLY in SPDY.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_HCAT_PUSH_RESPONSE">
<code class="descname">NGHTTP2_HCAT_PUSH_RESPONSE</code><a class="headerlink" href="#c.NGHTTP2_HCAT_PUSH_RESPONSE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">2</span></code>)
The HEADERS frame is the first headers sent against reserved
stream.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_HCAT_HEADERS">
<code class="descname">NGHTTP2_HCAT_HEADERS</code><a class="headerlink" href="#c.NGHTTP2_HCAT_HEADERS" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">3</span></code>)
The HEADERS frame which does not apply for the above categories,
which is analogous to HEADERS in SPDY.  If non-final response
(e.g., status 1xx) is used, final response HEADERS frame will be
categorized here.</p>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="c.nghttp2_hd_inflate_flag">
<code class="descname">nghttp2_hd_inflate_flag</code><a class="headerlink" href="#c.nghttp2_hd_inflate_flag" title="Permalink to this definition"></a></dt>
<dd><p>The flags for header inflation.</p>
<dl class="macro">
<dt id="c.NGHTTP2_HD_INFLATE_NONE">
<code class="descname">NGHTTP2_HD_INFLATE_NONE</code><a class="headerlink" href="#c.NGHTTP2_HD_INFLATE_NONE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0</span></code>)
No flag set.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_HD_INFLATE_FINAL">
<code class="descname">NGHTTP2_HD_INFLATE_FINAL</code><a class="headerlink" href="#c.NGHTTP2_HD_INFLATE_FINAL" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x01</span></code>)
Indicates all headers were inflated.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_HD_INFLATE_EMIT">
<code class="descname">NGHTTP2_HD_INFLATE_EMIT</code><a class="headerlink" href="#c.NGHTTP2_HD_INFLATE_EMIT" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">0x02</span></code>)
Indicates a header was emitted.</p>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="c.nghttp2_stream_proto_state">
<code class="descname">nghttp2_stream_proto_state</code><a class="headerlink" href="#c.nghttp2_stream_proto_state" title="Permalink to this definition"></a></dt>
<dd><p>State of stream as described in RFC 7540.</p>
<dl class="macro">
<dt id="c.NGHTTP2_STREAM_STATE_IDLE">
<code class="descname">NGHTTP2_STREAM_STATE_IDLE</code><a class="headerlink" href="#c.NGHTTP2_STREAM_STATE_IDLE" title="Permalink to this definition"></a></dt>
<dd><p>(<code class="docutils literal"><span class="pre">1</span></code>)
idle state.</p>
</dd></dl>

<dl class="macro">
<dt>
<code class="descname">NGHTTP2_STREAM_STATE_OPEN,</code></dt>
<dd><p>open state.</p>
</dd></dl>

<dl class="macro">
<dt>
<code class="descname">NGHTTP2_STREAM_STATE_RESERVED_LOCAL,</code></dt>
<dd><p>reserved (local) state.</p>
</dd></dl>

<dl class="macro">
<dt>
<code class="descname">NGHTTP2_STREAM_STATE_RESERVED_REMOTE,</code></dt>
<dd><p>reserved (remote) state.</p>
</dd></dl>

<dl class="macro">
<dt>
<code class="descname">NGHTTP2_STREAM_STATE_HALF_CLOSED_LOCAL,</code></dt>
<dd><p>half closed (local) state.</p>
</dd></dl>

<dl class="macro">
<dt>
<code class="descname">NGHTTP2_STREAM_STATE_HALF_CLOSED_REMOTE,</code></dt>
<dd><p>half closed (remote) state.</p>
</dd></dl>

<dl class="macro">
<dt id="c.NGHTTP2_STREAM_STATE_CLOSED">
<code class="descname">NGHTTP2_STREAM_STATE_CLOSED</code><a class="headerlink" href="#c.NGHTTP2_STREAM_STATE_CLOSED" title="Permalink to this definition"></a></dt>
<dd><p>closed state.</p>
</dd></dl>

</dd></dl>

</div>


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