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<a class="el" href="dir_000000.html">home</a> » <a class="el" href="dir_000001.html">brain</a> » <a class="el" href="dir_000002.html">inspircd-cvs</a> » <a class="el" href="dir_000003.html">inspircd</a> » <a class="el" href="dir_000005.html">src</a></div>
<h1>socketengine.cpp</h1><a href="socketengine_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* +------------------------------------+</span>
<a name="l00002"></a>00002 <span class="comment"> * | Inspire Internet Relay Chat Daemon |</span>
<a name="l00003"></a>00003 <span class="comment"> * +------------------------------------+</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.</span>
<a name="l00006"></a>00006 <span class="comment"> * E-mail:</span>
<a name="l00007"></a>00007 <span class="comment"> * <brain@chatspike.net></span>
<a name="l00008"></a>00008 <span class="comment"> * <Craig@chatspike.net></span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * Written by Craig Edwards, Craig McLure, and others.</span>
<a name="l00011"></a>00011 <span class="comment"> * This program is free but copyrighted software; see</span>
<a name="l00012"></a>00012 <span class="comment"> * the file COPYING for details.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * ---------------------------------------------------</span>
<a name="l00015"></a>00015 <span class="comment"> */</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#include "inspircd_config.h"</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include "globals.h"</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "inspircd.h"</span>
<a name="l00020"></a>00020 <span class="preprocessor">#ifdef USE_EPOLL</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#include <sys/epoll.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#define EP_DELAY 5</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#ifdef USE_KQUEUE</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#include <sys/types.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <sys/event.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <sys/time.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#endif</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#include <vector></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <string></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="socketengine_8h.html">socketengine.h</a>"</span>
<a name="l00032"></a>00032
<a name="l00033"></a><a class="code" href="socketengine_8cpp.html#ref_5B_36_35_35_33_35_5D">00033</a> <span class="keywordtype">char</span> <a class="code" href="socketengine_8cpp.html#ref_5B_36_35_35_33_35_5D">ref</a>[65535];
<a name="l00034"></a>00034
<a name="l00035"></a><a class="code" href="classSocketEngine.html#SocketEngine_28_29">00035</a> <a class="code" href="classSocketEngine.html#SocketEngine_28_29">SocketEngine::SocketEngine</a>()
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"SocketEngine::SocketEngine()"</span>);
<a name="l00038"></a>00038 <span class="preprocessor">#ifdef USE_EPOLL</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span> <a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a> = epoll_create(65535);
<a name="l00040"></a>00040 <span class="preprocessor">#endif</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#ifdef USE_KQUEUE</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span> <a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a> = kqueue();
<a name="l00043"></a>00043 <span class="preprocessor">#endif</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span>}
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="classSocketEngine.html#_7ESocketEngine_28_29">00046</a> <a class="code" href="classSocketEngine.html#_7ESocketEngine_28_29">SocketEngine::~SocketEngine</a>()
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"SocketEngine::~SocketEngine()"</span>);
<a name="l00049"></a>00049 <span class="preprocessor">#ifdef USE_EPOLL</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span> close(<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>);
<a name="l00051"></a>00051 <span class="preprocessor">#endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span><span class="preprocessor">#ifdef USE_KQUEUE</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span> close(<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>);
<a name="l00054"></a>00054 <span class="preprocessor">#endif</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span>}
<a name="l00056"></a>00056
<a name="l00057"></a><a class="code" href="classSocketEngine.html#GetType_28int_20fd_29">00057</a> <span class="keywordtype">char</span> <a class="code" href="classSocketEngine.html#GetType_28int_20fd_29">SocketEngine::GetType</a>(<span class="keywordtype">int</span> fd)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="keywordflow">if</span> ((fd < 0) || (fd > 65535))
<a name="l00060"></a>00060 <span class="keywordflow">return</span> <a class="code" href="socketengine_8h.html#X_5FEMPTY_5FSLOT">X_EMPTY_SLOT</a>;
<a name="l00061"></a>00061 <span class="comment">/* Mask off the top bit used for 'read/write' state */</span>
<a name="l00062"></a>00062 <span class="keywordflow">return</span> (<a class="code" href="socketengine_8cpp.html#ref_5B_36_35_35_33_35_5D">ref</a>[fd] & ~0x80);
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a><a class="code" href="classSocketEngine.html#AddFd_28int_20fd_2C_20bool_20readable_2C_20char_20type_29">00065</a> <span class="keywordtype">bool</span> <a class="code" href="classSocketEngine.html#AddFd_28int_20fd_2C_20bool_20readable_2C_20char_20type_29">SocketEngine::AddFd</a>(<span class="keywordtype">int</span> fd, <span class="keywordtype">bool</span> readable, <span class="keywordtype">char</span> type)
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="keywordflow">if</span> ((fd < 0) || (fd > 65535))
<a name="l00068"></a>00068 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00069"></a>00069 this-><a class="code" href="classSocketEngine.html#fds">fds</a>.push_back(fd);
<a name="l00070"></a>00070 <a class="code" href="socketengine_8cpp.html#ref_5B_36_35_35_33_35_5D">ref</a>[fd] = type;
<a name="l00071"></a>00071 <span class="keywordflow">if</span> (readable)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"Set readbit"</span>);
<a name="l00074"></a>00074 <a class="code" href="socketengine_8cpp.html#ref_5B_36_35_35_33_35_5D">ref</a>[fd] |= <a class="code" href="socketengine_8h.html#X_5FREADBIT">X_READBIT</a>;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"Add socket %d"</span>,fd);
<a name="l00077"></a>00077 <span class="preprocessor">#ifdef USE_EPOLL</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span> <span class="keyword">struct </span>epoll_event ev;
<a name="l00079"></a>00079 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"epoll: Add socket to events, ep=%d socket=%d"</span>,<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>,fd);
<a name="l00080"></a>00080 readable ? ev.events = EPOLLIN | EPOLLET : ev.events = EPOLLOUT | EPOLLET;
<a name="l00081"></a>00081 ev.data.fd = fd;
<a name="l00082"></a>00082 <span class="keywordtype">int</span> i = epoll_ctl(<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>, EPOLL_CTL_ADD, fd, &ev);
<a name="l00083"></a>00083 <span class="keywordflow">if</span> (i < 0)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"epoll: List insertion failure!"</span>);
<a name="l00086"></a>00086 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088 <span class="preprocessor">#endif</span>
<a name="l00089"></a>00089 <span class="preprocessor"></span><span class="preprocessor">#ifdef USE_KQUEUE</span>
<a name="l00090"></a>00090 <span class="preprocessor"></span> <span class="keyword">struct </span>kevent ke;
<a name="l00091"></a>00091 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"kqueue: Add socket to events, kq=%d socket=%d"</span>,<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>,fd);
<a name="l00092"></a>00092 EV_SET(&ke, fd, readable ? EVFILT_READ : EVFILT_WRITE, EV_ADD, 0, 0, NULL);
<a name="l00093"></a>00093 <span class="keywordtype">int</span> i = kevent(<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>, &ke, 1, 0, 0, NULL);
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (i == -1)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"kqueue: List insertion failure!"</span>);
<a name="l00097"></a>00097 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099 <span class="preprocessor">#endif</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span><span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a><a class="code" href="classSocketEngine.html#DelFd_28int_20fd_29">00103</a> <span class="keywordtype">bool</span> <a class="code" href="classSocketEngine.html#DelFd_28int_20fd_29">SocketEngine::DelFd</a>(<span class="keywordtype">int</span> fd)
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"SocketEngine::DelFd(%d)"</span>,fd);
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keywordflow">if</span> ((fd < 0) || (fd > 65535))
<a name="l00108"></a>00108 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordtype">bool</span> found = <span class="keyword">false</span>;
<a name="l00111"></a>00111 <span class="keywordflow">for</span> (std::vector<int>::iterator i = <a class="code" href="classSocketEngine.html#fds">fds</a>.begin(); i != <a class="code" href="classSocketEngine.html#fds">fds</a>.end(); i++)
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (*i == fd)
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <a class="code" href="classSocketEngine.html#fds">fds</a>.erase(i);
<a name="l00116"></a>00116 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"Deleted fd %d"</span>,fd);
<a name="l00117"></a>00117 found = <span class="keyword">true</span>;
<a name="l00118"></a>00118 <span class="keywordflow">break</span>;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 <span class="preprocessor">#ifdef USE_KQUEUE</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span> <span class="keyword">struct </span>kevent ke;
<a name="l00123"></a>00123 EV_SET(&ke, fd, <a class="code" href="socketengine_8cpp.html#ref_5B_36_35_35_33_35_5D">ref</a>[fd] && <a class="code" href="socketengine_8h.html#X_5FREADBIT">X_READBIT</a> ? EVFILT_READ : EVFILT_WRITE, EV_DELETE, 0, 0, NULL);
<a name="l00124"></a>00124 <span class="keywordtype">int</span> i = kevent(<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>, &ke, 1, 0, 0, NULL);
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (i == -1)
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"kqueue: Failed to remove socket from queue!"</span>);
<a name="l00128"></a>00128 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130 <span class="preprocessor">#endif</span>
<a name="l00131"></a>00131 <span class="preprocessor"></span><span class="preprocessor">#ifdef USE_EPOLL</span>
<a name="l00132"></a>00132 <span class="preprocessor"></span> <span class="keyword">struct </span>epoll_event ev;
<a name="l00133"></a>00133 <a class="code" href="socketengine_8cpp.html#ref_5B_36_35_35_33_35_5D">ref</a>[fd] && <a class="code" href="socketengine_8h.html#X_5FREADBIT">X_READBIT</a> ? ev.events = EPOLLIN | EPOLLET : ev.events = EPOLLOUT | EPOLLET;
<a name="l00134"></a>00134 ev.data.fd = fd;
<a name="l00135"></a>00135 <span class="keywordtype">int</span> i = epoll_ctl(<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>, EPOLL_CTL_DEL, fd, &ev);
<a name="l00136"></a>00136 <span class="keywordflow">if</span> (i < 0)
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"epoll: List deletion failure!"</span>);
<a name="l00139"></a>00139 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141 <span class="preprocessor">#endif</span>
<a name="l00142"></a>00142 <span class="preprocessor"></span> <a class="code" href="socketengine_8cpp.html#ref_5B_36_35_35_33_35_5D">ref</a>[fd] = 0;
<a name="l00143"></a>00143 <span class="keywordflow">return</span> found;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145
<a name="l00146"></a><a class="code" href="classSocketEngine.html#Wait_28std_3A_3Avector_3C_20int_20_3E_20_26fdlist_29">00146</a> <span class="keywordtype">bool</span> <a class="code" href="classSocketEngine.html#Wait_28std_3A_3Avector_3C_20int_20_3E_20_26fdlist_29">SocketEngine::Wait</a>(std::vector<int> &fdlist)
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 fdlist.clear();
<a name="l00149"></a>00149 <span class="preprocessor">#ifdef USE_SELECT</span>
<a name="l00150"></a>00150 <span class="preprocessor"></span> FD_ZERO(&wfdset);
<a name="l00151"></a>00151 FD_ZERO(&rfdset);
<a name="l00152"></a>00152 timeval tval;
<a name="l00153"></a>00153 <span class="keywordtype">int</span> sresult;
<a name="l00154"></a>00154 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> a = 0; a < <a class="code" href="classSocketEngine.html#fds">fds</a>.size(); a++)
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 <span class="keywordflow">if</span> (<a class="code" href="socketengine_8cpp.html#ref_5B_36_35_35_33_35_5D">ref</a>[<a class="code" href="classSocketEngine.html#fds">fds</a>[a]] & <a class="code" href="socketengine_8h.html#X_5FREADBIT">X_READBIT</a>)
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158 FD_SET (<a class="code" href="classSocketEngine.html#fds">fds</a>[a], &rfdset);
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160 <span class="keywordflow">else</span>
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162 FD_SET (<a class="code" href="classSocketEngine.html#fds">fds</a>[a], &wfdset);
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166 tval.tv_sec = 0;
<a name="l00167"></a>00167 tval.tv_usec = 100L;
<a name="l00168"></a>00168 sresult = select(FD_SETSIZE, &rfdset, &wfdset, NULL, &tval);
<a name="l00169"></a>00169 <span class="keywordflow">if</span> (sresult > 0)
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> a = 0; a < <a class="code" href="classSocketEngine.html#fds">fds</a>.size(); a++)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 <span class="keywordflow">if</span> ((FD_ISSET (<a class="code" href="classSocketEngine.html#fds">fds</a>[a], &rfdset)) || (FD_ISSET (<a class="code" href="classSocketEngine.html#fds">fds</a>[a], &wfdset)))
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175 log(<a class="code" href="modules_8h.html#DEBUG">DEBUG</a>,<span class="stringliteral">"...Adding active %d"</span>,<a class="code" href="classSocketEngine.html#fds">fds</a>[a]);
<a name="l00176"></a>00176 fdlist.push_back(<a class="code" href="classSocketEngine.html#fds">fds</a>[a]);
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180 <span class="preprocessor">#endif</span>
<a name="l00181"></a>00181 <span class="preprocessor"></span><span class="preprocessor">#ifdef USE_KQUEUE</span>
<a name="l00182"></a>00182 <span class="preprocessor"></span> <a class="code" href="classSocketEngine.html#ts">ts</a>.tv_nsec = 10000L;
<a name="l00183"></a>00183 <a class="code" href="classSocketEngine.html#ts">ts</a>.tv_sec = 0;
<a name="l00184"></a>00184 <span class="keywordtype">int</span> i = kevent(<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>, NULL, 0, &<a class="code" href="classSocketEngine.html#ke_5Flist_5B_36_35_35_33_35_5D">ke_list</a>[0], 65535, &<a class="code" href="classSocketEngine.html#ts">ts</a>);
<a name="l00185"></a>00185 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < i; j++)
<a name="l00186"></a>00186 fdlist.push_back(<a class="code" href="classSocketEngine.html#ke_5Flist_5B_36_35_35_33_35_5D">ke_list</a>[j].ident);
<a name="l00187"></a>00187 <span class="preprocessor">#endif</span>
<a name="l00188"></a>00188 <span class="preprocessor"></span><span class="preprocessor">#ifdef USE_EPOLL</span>
<a name="l00189"></a>00189 <span class="preprocessor"></span> <span class="keywordtype">int</span> i = epoll_wait(<a class="code" href="classSocketEngine.html#EngineHandle">EngineHandle</a>, events, 65535, 100);
<a name="l00190"></a>00190 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < i; j++)
<a name="l00191"></a>00191 fdlist.push_back(events[j].data.fd);
<a name="l00192"></a>00192 <span class="preprocessor">#endif</span>
<a name="l00193"></a>00193 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a><a class="code" href="classSocketEngine.html#GetName_28_29">00196</a> <a class="code" href="namespaceirc.html#string">std::string</a> <a class="code" href="classSocketEngine.html#GetName_28_29">SocketEngine::GetName</a>()
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 <span class="preprocessor">#ifdef USE_SELECT</span>
<a name="l00199"></a>00199 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="stringliteral">"select"</span>;
<a name="l00200"></a>00200 <span class="preprocessor">#endif</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span><span class="preprocessor">#ifdef USE_KQUEUE</span>
<a name="l00202"></a>00202 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="stringliteral">"kqueue"</span>;
<a name="l00203"></a>00203 <span class="preprocessor">#endif</span>
<a name="l00204"></a>00204 <span class="preprocessor"></span><span class="preprocessor">#ifdef USE_EPOLL</span>
<a name="l00205"></a>00205 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="stringliteral">"epoll"</span>;
<a name="l00206"></a>00206 <span class="preprocessor">#endif</span>
<a name="l00207"></a>00207 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="stringliteral">"misconfigured"</span>;
<a name="l00208"></a>00208 }
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Dec 12 18:30:58 2005 for InspIRCd by
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