📄 socketft_8cpp-source.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>Crypto++: socketft.cpp Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.2 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>socketft.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// socketft.cpp - written and placed in the public domain by Wei Dai</span><a name="l00002"></a>00002 <a name="l00003"></a>00003 <span class="preprocessor">#include "pch.h"</span><a name="l00004"></a>00004 <span class="preprocessor">#include "socketft.h"</span><a name="l00005"></a>00005 <a name="l00006"></a>00006 <span class="preprocessor">#ifdef SOCKETS_AVAILABLE</span><a name="l00007"></a>00007 <span class="preprocessor"></span><a name="l00008"></a>00008 <span class="preprocessor">#include "wait.h"</span><a name="l00009"></a>00009 <a name="l00010"></a>00010 <span class="preprocessor">#ifdef USE_BERKELEY_STYLE_SOCKETS</span><a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#include <errno.h></span><a name="l00012"></a>00012 <span class="preprocessor">#include <netdb.h></span><a name="l00013"></a>00013 <span class="preprocessor">#include <unistd.h></span><a name="l00014"></a>00014 <span class="preprocessor">#include <arpa/inet.h></span><a name="l00015"></a>00015 <span class="preprocessor">#include <netinet/in.h></span><a name="l00016"></a>00016 <span class="preprocessor">#include <sys/ioctl.h></span><a name="l00017"></a>00017 <span class="preprocessor">#endif</span><a name="l00018"></a>00018 <span class="preprocessor"></span><a name="l00019"></a>00019 NAMESPACE_BEGIN(CryptoPP)<a name="l00020"></a>00020 <a name="l00021"></a>00021 <span class="preprocessor">#ifdef USE_WINDOWS_STYLE_SOCKETS</span><a name="l00022"></a>00022 <span class="preprocessor"></span><span class="keyword">const</span> <span class="keywordtype">int</span> SOCKET_EINVAL = WSAEINVAL;<a name="l00023"></a>00023 <span class="keyword">const</span> <span class="keywordtype">int</span> SOCKET_EWOULDBLOCK = WSAEWOULDBLOCK;<a name="l00024"></a>00024 <span class="keyword">typedef</span> <span class="keywordtype">int</span> socklen_t;<a name="l00025"></a>00025 <span class="preprocessor">#else</span><a name="l00026"></a>00026 <span class="preprocessor"></span><span class="keyword">const</span> <span class="keywordtype">int</span> SOCKET_EINVAL = EINVAL;<a name="l00027"></a>00027 <span class="keyword">const</span> <span class="keywordtype">int</span> SOCKET_EWOULDBLOCK = EWOULDBLOCK;<a name="l00028"></a>00028 <span class="preprocessor">#endif</span><a name="l00029"></a>00029 <span class="preprocessor"></span><a name="l00030"></a><a class="code" href="class_socket_1_1_err.html#7270b51e8aff4806a92c249d2f72a466">00030</a> <a class="code" href="class_socket_1_1_err.html#7270b51e8aff4806a92c249d2f72a466">Socket::Err::Err</a>(socket_t s, <span class="keyword">const</span> std::string& operation, <span class="keywordtype">int</span> error)<a name="l00031"></a>00031 : <a class="code" href="class_o_s___error.html" title="error reported by the operating system">OS_Error</a>(IO_ERROR, <span class="stringliteral">"Socket: "</span> + operation + <span class="stringliteral">" operation failed with error "</span> + IntToString(error), operation, error)<a name="l00032"></a>00032 , m_s(s)<a name="l00033"></a>00033 {<a name="l00034"></a>00034 }<a name="l00035"></a>00035 <a name="l00036"></a><a class="code" href="class_socket.html#eac4eb6379a543d38ed88977d3b6630a">00036</a> <a class="code" href="class_socket.html#eac4eb6379a543d38ed88977d3b6630a">Socket::~Socket</a>()<a name="l00037"></a>00037 {<a name="l00038"></a>00038 <span class="keywordflow">if</span> (<a class="code" href="class_socket.html#e7427769bcbc6ee3ef44e223424fb535">m_own</a>)<a name="l00039"></a>00039 {<a name="l00040"></a>00040 <span class="keywordflow">try</span><a name="l00041"></a>00041 {<a name="l00042"></a>00042 <a class="code" href="class_socket.html#5aa350ff51f6db7919316c94643acbf2">CloseSocket</a>();<a name="l00043"></a>00043 }<a name="l00044"></a>00044 <span class="keywordflow">catch</span> (...)<a name="l00045"></a>00045 {<a name="l00046"></a>00046 }<a name="l00047"></a>00047 }<a name="l00048"></a>00048 }<a name="l00049"></a>00049 <a name="l00050"></a><a class="code" href="class_socket.html#02a47851259d4a225958441d1b4dd37a">00050</a> <span class="keywordtype">void</span> <a class="code" href="class_socket.html#02a47851259d4a225958441d1b4dd37a">Socket::AttachSocket</a>(socket_t s, <span class="keywordtype">bool</span> own)<a name="l00051"></a>00051 {<a name="l00052"></a>00052 <span class="keywordflow">if</span> (<a class="code" href="class_socket.html#e7427769bcbc6ee3ef44e223424fb535">m_own</a>)<a name="l00053"></a>00053 <a class="code" href="class_socket.html#5aa350ff51f6db7919316c94643acbf2">CloseSocket</a>();<a name="l00054"></a>00054 <a name="l00055"></a>00055 <a class="code" href="class_socket.html#2a82c6dd3794c4d45e33e68f2112df35">m_s</a> = s;<a name="l00056"></a>00056 <a class="code" href="class_socket.html#e7427769bcbc6ee3ef44e223424fb535">m_own</a> = own;<a name="l00057"></a>00057 <a class="code" href="class_socket.html#ffc033fc4e71e70f18532e9f280edf46">SocketChanged</a>();<a name="l00058"></a>00058 }<a name="l00059"></a>00059 <a name="l00060"></a><a class="code" href="class_socket.html#76ffdeb9e72db2f3212493e2f4d6e663">00060</a> socket_t <a class="code" href="class_socket.html#76ffdeb9e72db2f3212493e2f4d6e663">Socket::DetachSocket</a>()<a name="l00061"></a>00061 {<a name="l00062"></a>00062 socket_t s = <a class="code" href="class_socket.html#2a82c6dd3794c4d45e33e68f2112df35">m_s</a>;<a name="l00063"></a>00063 <a class="code" href="class_socket.html#2a82c6dd3794c4d45e33e68f2112df35">m_s</a> = INVALID_SOCKET;<a name="l00064"></a>00064 <a class="code" href="class_socket.html#ffc033fc4e71e70f18532e9f280edf46">SocketChanged</a>();<a name="l00065"></a>00065 <span class="keywordflow">return</span> s;<a name="l00066"></a>00066 }<a name="l00067"></a>00067 <a name="l00068"></a><a class="code" href="class_socket.html#262bc03b258ef9c5ab7afee5c078c29e">00068</a> <span class="keywordtype">void</span> <a class="code" href="class_socket.html#262bc03b258ef9c5ab7afee5c078c29e">Socket::Create</a>(<span class="keywordtype">int</span> nType)<a name="l00069"></a>00069 {<a name="l00070"></a>00070 assert(<a class="code" href="class_socket.html#2a82c6dd3794c4d45e33e68f2112df35">m_s</a> == INVALID_SOCKET);<a name="l00071"></a>00071 <a class="code" href="class_socket.html#2a82c6dd3794c4d45e33e68f2112df35">m_s</a> = socket(AF_INET, nType, 0);<a name="l00072"></a>00072 <a class="code" href="class_socket.html#c29e3d5e0acd2d8d6c7fd59a7cc4bd40">CheckAndHandleError</a>(<span class="stringliteral">"socket"</span>, <a class="code" href="class_socket.html#2a82c6dd3794c4d45e33e68f2112df35">m_s</a>);<a name="l00073"></a>00073 <a class="code" href="class_socket.html#e7427769bcbc6ee3ef44e223424fb535">m_own</a> = <span class="keyword">true</span>;<a name="l00074"></a>00074 <a class="code" href="class_socket.html#ffc033fc4e71e70f18532e9f280edf46">SocketChanged</a>();<a name="l00075"></a>00075 }<a name="l00076"></a>00076 <a name="l00077"></a><a class="code" href="class_socket.html#5aa350ff51f6db7919316c94643acbf2">00077</a> <span class="keywordtype">void</span> <a class="code" href="class_socket.html#5aa350ff51f6db7919316c94643acbf2">Socket::CloseSocket</a>()<a name="l00078"></a>00078 {<a name="l00079"></a>00079 <span class="keywordflow">if</span> (<a class="code" href="class_socket.html#2a82c6dd3794c4d45e33e68f2112df35">m_s</a> != INVALID_SOCKET)<a name="l00080"></a>00080 {<a name="l00081"></a>00081 <span class="preprocessor">#ifdef USE_WINDOWS_STYLE_SOCKETS</span><a name="l00082"></a>00082 <span class="preprocessor"></span> CancelIo((HANDLE) <a class="code" href="class_socket.html#2a82c6dd3794c4d45e33e68f2112df35">m_s</a>);<a name="l00083"></a>00083 <a class="code" href="class_socket.html#ebf290bcbd37f0711fcb56373b4f8f88">CheckAndHandleError_int</a>(<span class="stringliteral">"closesocket"</span>, closesocket(m_s));<a name="l00084"></a>00084 <span class="preprocessor">#else</span><a name="l00085"></a>00085 <span class="preprocessor"></span> <a class="code" href="class_socket.html#ebf290bcbd37f0711fcb56373b4f8f88">CheckAndHandleError_int</a>(<span class="stringliteral">"close"</span>, close(m_s));<a name="l00086"></a>00086 <span class="preprocessor">#endif</span><a name="l00087"></a>00087 <span class="preprocessor"></span> m_s = INVALID_SOCKET;<a name="l00088"></a>00088 <a class="code" href="class_socket.html#ffc033fc4e71e70f18532e9f280edf46">SocketChanged</a>();<a name="l00089"></a>00089 }<a name="l00090"></a>00090 }<a name="l00091"></a>00091 <a name="l00092"></a><a class="code" href="class_socket.html#f73c8b8aa512e3ea0150b6d323b60700">00092</a> <span class="keywordtype">void</span> <a class="code" href="class_socket.html#f73c8b8aa512e3ea0150b6d323b60700">Socket::Bind</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> port, <span class="keyword">const</span> <span class="keywordtype">char</span> *addr)<a name="l00093"></a>00093 {<a name="l00094"></a>00094 sockaddr_in sa;<a name="l00095"></a>00095 memset(&sa, 0, <span class="keyword">sizeof</span>(sa));<a name="l00096"></a>00096 sa.sin_family = AF_INET;<a name="l00097"></a>00097 <a name="l00098"></a>00098 <span class="keywordflow">if</span> (addr == NULL)<a name="l00099"></a>00099 sa.sin_addr.s_addr = htonl(INADDR_ANY);<a name="l00100"></a>00100 <span class="keywordflow">else</span><a name="l00101"></a>00101 {<a name="l00102"></a>00102 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> result = inet_addr(addr);<a name="l00103"></a>00103 <span class="keywordflow">if</span> (result == -1) <span class="comment">// Solaris doesn't have INADDR_NONE</span><a name="l00104"></a>00104 {<a name="l00105"></a>00105 <a class="code" href="class_socket.html#8c34f549b69c55bf0ee4c04ea8890bef" title="sets errno or calls WSASetLastError">SetLastError</a>(SOCKET_EINVAL);<a name="l00106"></a>00106 <a class="code" href="class_socket.html#ebf290bcbd37f0711fcb56373b4f8f88">CheckAndHandleError_int</a>(<span class="stringliteral">"inet_addr"</span>, SOCKET_ERROR);<a name="l00107"></a>00107 }<a name="l00108"></a>00108 sa.sin_addr.s_addr = result;<a name="l00109"></a>00109 }<a name="l00110"></a>00110 <a name="l00111"></a>00111 sa.sin_port = htons((u_short)port);<a name="l00112"></a>00112 <a name="l00113"></a>00113 <a class="code" href="class_socket.html#f73c8b8aa512e3ea0150b6d323b60700">Bind</a>((sockaddr *)&sa, <span class="keyword">sizeof</span>(sa));<a name="l00114"></a>00114 }<a name="l00115"></a>00115 <a name="l00116"></a><a class="code" href="class_socket.html#f6798996910341aac9df3bf6f89a4c11">00116</a> <span class="keywordtype">void</span> <a class="code" href="class_socket.html#f73c8b8aa512e3ea0150b6d323b60700">Socket::Bind</a>(<span class="keyword">const</span> sockaddr *psa, socklen_t saLen)<a name="l00117"></a>00117 {<a name="l00118"></a>00118 assert(<a class="code" href="class_socket.html#2a82c6dd3794c4d45e33e68f2112df35">m_s</a> != INVALID_SOCKET);<a name="l00119"></a>00119 <span class="comment">// cygwin workaround: needs const_cast</span>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -