server_8h.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div id="projectbrief">basicserverinfrastructure</div>
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<h1>include/server.h File Reference</h1> </div>
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<div class="contents">
<div class="textblock"><code>#include <stdio.h></code><br/>
<code>#include <poll.h></code><br/>
<code>#include "<a class="el" href="class_8h_source.html">class.h</a>"</code><br/>
<code>#include "<a class="el" href="socket_8h_source.html">socket.h</a>"</code><br/>
<code>#include "<a class="el" href="logger_8h_source.html">logger.h</a>"</code><br/>
</div><div class="textblock"><div class="dynheader">
Include dependency graph for server.h:</div>
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<area shape="rect" id="node7" href="class_8h.html" title="class.h" alt="" coords="200,238,264,266"/><area shape="rect" id="node20" href="socket_8h.html" title="socket.h" alt="" coords="240,83,312,111"/><area shape="rect" id="node25" href="logger_8h.html" title="logger.h" alt="" coords="379,161,448,189"/><area shape="rect" id="node17" href="interface_8h.html" title="interface.h" alt="" coords="383,315,465,343"/></map>
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<p><a href="server_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structServer.html">Server</a></td></tr>
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="server_8h.html#a6371240ebfb3156b737ddd83e1e142bd">POLL_FD_NSIZE</a>   1024</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="server_8h.html#ade0a08dce19efc4f1ec7dc2ab0120ab9">POLL_FD_SIZE</a>   (sizeof(struct pollfd) * POLL_FD_NSIZE)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="server_8h.html#a4a694160d07797872cb3861f94b95c94">MOVE_SIZE</a>(size, idx)   ((size) * (POLL_FD_NSIZE-((idx)+1)))</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="server_8h.html#a11d5c89fb77bc941d085e8f38d014665">CLEAR_CONN</a>(server, idx)</td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="server_8h.html#a67a4d9073b80d8ae1459fb11ddd23675">serverRun</a> (<a class="el" href="structServer.html">Server</a> this)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="server_8h.html#a81f787254ea87cbc851d292e5a7d195d">serverCloseConn</a> (<a class="el" href="structServer.html">Server</a> this, unsigned int handle)</td></tr>
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<hr/><h2>Define Documentation</h2>
<a class="anchor" id="a11d5c89fb77bc941d085e8f38d014665"></a><!-- doxytag: member="server.h::CLEAR_CONN" ref="a11d5c89fb77bc941d085e8f38d014665" args="(server, idx)" -->
<div class="memitem">
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<td class="memname">#define CLEAR_CONN</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">server, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">idx </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<b>Value:</b><div class="fragment"><pre class="fragment">memmove(&(((server)->fds)[(idx)]), \
&(((server)->fds)[(idx)+1]), \
<a class="code" href="server_8h.html#a4a694160d07797872cb3861f94b95c94">MOVE_SIZE</a>(<span class="keyword">sizeof</span>(((server)->fds)[0]),(idx))); \
memmove(&(((server)->conns)[(idx)]), \
&(((server)->conns)[(idx)+1]), \
<a class="code" href="server_8h.html#a4a694160d07797872cb3861f94b95c94">MOVE_SIZE</a>(<span class="keyword">sizeof</span>(((server)->conns)[0]),(idx)))
</pre></div>
<p>Definition at line <a class="el" href="server_8h_source.html#l00015">15</a> of file <a class="el" href="server_8h_source.html">server.h</a>.</p>
</div>
</div>
<a class="anchor" id="a4a694160d07797872cb3861f94b95c94"></a><!-- doxytag: member="server.h::MOVE_SIZE" ref="a4a694160d07797872cb3861f94b95c94" args="(size, idx)" -->
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<div class="memproto">
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<td class="memname">#define MOVE_SIZE</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">size, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">idx </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>   ((size) * (POLL_FD_NSIZE-((idx)+1)))</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="server_8h_source.html#l00014">14</a> of file <a class="el" href="server_8h_source.html">server.h</a>.</p>
</div>
</div>
<a class="anchor" id="a6371240ebfb3156b737ddd83e1e142bd"></a><!-- doxytag: member="server.h::POLL_FD_NSIZE" ref="a6371240ebfb3156b737ddd83e1e142bd" args="" -->
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<td class="memname">#define POLL_FD_NSIZE   1024</td>
</tr>
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<div class="memdoc">
<p>Definition at line <a class="el" href="server_8h_source.html#l00011">11</a> of file <a class="el" href="server_8h_source.html">server.h</a>.</p>
</div>
</div>
<a class="anchor" id="ade0a08dce19efc4f1ec7dc2ab0120ab9"></a><!-- doxytag: member="server.h::POLL_FD_SIZE" ref="ade0a08dce19efc4f1ec7dc2ab0120ab9" args="" -->
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<td class="memname">#define POLL_FD_SIZE   (sizeof(struct pollfd) * POLL_FD_NSIZE)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="server_8h_source.html#l00012">12</a> of file <a class="el" href="server_8h_source.html">server.h</a>.</p>
</div>
</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a81f787254ea87cbc851d292e5a7d195d"></a><!-- doxytag: member="server.h::serverCloseConn" ref="a81f787254ea87cbc851d292e5a7d195d" args="(Server this, unsigned int handle)" -->
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<td class="memname">void serverCloseConn </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structServer.html">Server</a> </td>
<td class="paramname"><em>this</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>handle</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="close__conn_8c_source.html#l00007">7</a> of file <a class="el" href="close__conn_8c_source.html">close_conn.c</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keywordtype">int</span> fd = (this->fds)[i].fd;
<span class="keyword">delete</span>(&((this->conns)[fd].sock));
<span class="keyword">delete</span>(&((this->conns)[fd].reader));
(this->fds)[i].events = 0;
this->ndel++;
<span class="comment">// CLEAR_CONN(this, i);</span>
<span class="comment">// this->nfds--;</span>
}
</pre></div>
<p><div class="dynheader">
Here is the caller graph for this function:</div>
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<div class="center"><img src="server_8h_a81f787254ea87cbc851d292e5a7d195d_icgraph.png" border="0" usemap="#server_8h_a81f787254ea87cbc851d292e5a7d195d_icgraph" alt=""/></div>
<map name="server_8h_a81f787254ea87cbc851d292e5a7d195d_icgraph" id="server_8h_a81f787254ea87cbc851d292e5a7d195d_icgraph">
<area shape="rect" id="node3" href="run_8c.html#a67a4d9073b80d8ae1459fb11ddd23675" title="serverRun" alt="" coords="180,5,263,33"/><area shape="rect" id="node5" href="testserver_8c.html#ae66f6b31b5ad750f1fe042a706a4e3d4" title="main" alt="" coords="312,5,363,33"/></map>
</div>
</p>
</div>
</div>
<a class="anchor" id="a67a4d9073b80d8ae1459fb11ddd23675"></a><!-- doxytag: member="server.h::serverRun" ref="a67a4d9073b80d8ae1459fb11ddd23675" args="(Server this)" -->
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<td class="memname">void serverRun </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structServer.html">Server</a> </td>
<td class="paramname"><em>this</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p><p>: actually this is the main loop of my server. When stuff becomes more complicated it might be feasabible to split stuff into separate processes. This will definetly involve some IPC and syncing. Right now as this is actually only a simple HTTP server implementation we go on with this single process. What we can first do to get some processing between read/write cicles is to use the poll timeout.</p>
<p>handle accept</p>
<p>handle reads</p>
<p>do some other processing : actually this will hard assume that our stream reader is a http parser and it has its queue...think about more generalizing here.</p>
<p>: for now simply remove request and send not found. Make this sane.</p>
<p>: the complete response stuff have to be removed here.</p>
<p>: just to send an answer and be able to make some apache benchs i do it here...this definetly MUST BE moved</p>
<p>handle writes</p>
</p>
<p>Definition at line <a class="el" href="run_8c_source.html#l00030">30</a> of file <a class="el" href="run_8c_source.html">run.c</a>.</p>
<div class="fragment"><pre class="fragment">{
<a class="code" href="interface_2logger_8h.html#ae9f8662ec8b300dcfb5064906937553e">loggerLog</a>(this->logger, <a class="code" href="logger_8h.html#a63296c69f4b9bf51d6756a5d2c482d1ea3a56c2c000665930df74a9ebf9047316">LOGGER_INFO</a>, <span class="stringliteral">"service started"</span>);
<span class="keywordflow">while</span> (!<a class="code" href="signalHandling_8h.html#a960e985a396acaabb1bbed4f15668ade">doShutdown</a>) <span class="comment">/* until error or signal */</span>
{
<span class="keywordtype">int</span> events;
<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
events = serverPoll(<span class="keyword">this</span>);
<span class="keywordflow">if</span> (<a class="code" href="signalHandling_8h.html#a960e985a396acaabb1bbed4f15668ade">doShutdown</a>) <span class="keywordflow">break</span>;
<span class="keywordflow">for</span> (i=0; i < events; i++) {
<span class="keywordtype">int</span> fd = (this->fds)[i].fd;
<span class="comment">//int nreads = 0, nwrites = 0;</span>
<span class="keywordflow">if</span> (0 != ((this->fds)[i].revents & POLLIN)) {
<span class="keywordflow">if</span> (this->sock->handle == (this->fds)[i].fd) {
serverHandleAccept(<span class="keyword">this</span>);
}
<span class="keywordflow">else</span> {
serverRead(<span class="keyword">this</span>, i);
{
<span class="keywordtype">int</span> j;
<a class="code" href="structHttpRequestQueue.html">HttpRequestQueue</a> queue =
((<a class="code" href="structHttpRequestParser.html">HttpRequestParser</a>)(this->conns)[fd].reader)->request_queue;
<span class="keywordflow">for</span> (j=0; j<queue-><a class="code" href="structHttpRequestQueue.html#a2bd08c36442f90e82b29b09f54a08682">nrequests</a>; j++) {
<a class="code" href="structHttpRequest.html">HttpRequest</a> request = queue-><a class="code" href="structHttpRequestQueue.html#a9413ed3fe003274c47618adde5335164">requests</a>[j];
<span class="keyword">delete</span>(&request);
time_t t;
<span class="keyword">struct </span>tm * tmp;
<span class="keywordtype">char</span> timestr[200];
<span class="preprocessor">#define RESP_HEAD "HTTP/1.1 404 Not Found\r\n" \</span>
<span class="preprocessor"> "Content-Type: text/html\r\n" \</span>
<span class="preprocessor"> "Content-Length: %lu\r\n" \</span>
<span class="preprocessor"> "Date: %s\r\n" \</span>
<span class="preprocessor"> "Server: testserver\r\n"</span>
<span class="preprocessor"></span>
<span class="preprocessor">#define RESP_DATA "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n" \</span>
<span class="preprocessor"> "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n" \</span>
<span class="preprocessor"> " \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n" \</span>
<span class="preprocessor"> "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n" \</span>
<span class="preprocessor"> "<head><title>404 - Not Found</title></head>" \</span>
<span class="preprocessor"> "<body><h1>404 - Not Found</h1></body>" \</span>
<span class="preprocessor"> "</html>"</span>
<span class="preprocessor"></span>
t = time(NULL);
tmp = localtime(&t);
strftime(timestr, <span class="keyword">sizeof</span>(timestr), <span class="stringliteral">"%a, %d %b %Y %T %Z"</span>, tmp);
sprintf((this->conns)[fd].wbuf, RESP_HEAD <span class="stringliteral">"\r\n"</span> RESP_DATA, <span class="keyword">sizeof</span>(RESP_DATA), timestr);
(this->fds)[i].events = (this->fds)[i].events | POLLOUT;
}
queue-><a class="code" href="structHttpRequestQueue.html#a2bd08c36442f90e82b29b09f54a08682">nrequests</a> = 0;
}
}
}
<span class="keywordflow">if</span> (0 != ((this->fds)[i].revents & POLLOUT)) {
write(
(this->fds)[i].fd,
(this->conns)[fd].wbuf,
strlen((this->conns)[fd].wbuf));
(this->fds)[i].events = (this->fds)[i].events & ~POLLOUT;
<a class="code" href="server_8h.html#a81f787254ea87cbc851d292e5a7d195d">serverCloseConn</a>(<span class="keyword">this</span>, i);
}
}
}
}
</pre></div>
<p><div class="dynheader">
Here is the call graph for this function:</div>
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