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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>inet_address.cpp</h1><a href="inet__address_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font> +00008 <font class="comment"> *</font> +00009 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00013 <font class="comment"> * any later version.</font> +00014 <font class="comment"></font> +00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00018 <font class="comment"> * General Public License for more details.</font> +00019 <font class="comment"></font> +00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00023 <font class="comment"> * MA 02111-1307, USA.</font> +00024 <font class="comment"> */</font> +00025 +00026 <font class="preprocessor">#include "<a class="code" href="stdnet_8h.html">stdnet.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font> +00029 +00030 <font class="preprocessor">#include "<a class="code" href="inet__address_8h.html">nel/net/inet_address.h</a>"</font> +00031 <font class="preprocessor">#include "<a class="code" href="sock_8h.html">nel/net/sock.h</a>"</font> +00032 +00033 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font> +00034 <font class="preprocessor"></font> +00035 <font class="preprocessor">#include <winsock2.h></font> +00036 +00037 <font class="preprocessor">#elif defined NL_OS_UNIX</font> +00038 <font class="preprocessor"></font> +00039 <font class="preprocessor">#include <<a class="code" href="unistd_8h.html">unistd.h</a>></font> +00040 <font class="preprocessor">#include <sys/socket.h></font> +00041 <font class="preprocessor">#include <arpa/inet.h></font> +00042 <font class="preprocessor">#include <netinet/in.h></font> +00043 <font class="preprocessor">#include <netdb.h></font> +00044 +00045 <font class="preprocessor">#define WSAGetLastError() 0</font> +00046 <font class="preprocessor"></font><font class="preprocessor">#define SOCKET_ERROR -1</font> +00047 <font class="preprocessor"></font> +00048 <font class="preprocessor">#endif</font> +00049 <font class="preprocessor"></font> +00050 +00051 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00052 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00053 +00054 +00055 <font class="keyword">namespace </font>NLNET +00056 { +00057 +<a name="l00058"></a><a class="code" href="classNLNET_1_1CInetAddress.html#p0">00058</a> <font class="keywordtype">bool</font> CInetAddress::RetrieveNames = <font class="keyword">false</font>; +00059 +00060 +00061 <font class="comment">/*</font> +00062 <font class="comment"> * Constructor</font> +00063 <font class="comment"> */</font> +<a name="l00064"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a0">00064</a> CInetAddress::CInetAddress() +00065 { +00066 <a class="code" href="classNLNET_1_1CInetAddress.html#c0">init</a>(); +00067 <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_port = 0; <font class="comment">// same as htons(0)</font> +00068 memset( &<a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_addr, 0, <font class="keyword">sizeof</font>(in_addr) ); <font class="comment">// same as htonl(INADDR_ANY)</font> +00069 } +00070 +00071 +00072 <font class="comment">/*</font> +00073 <font class="comment"> * Constructor with ip address, port=0</font> +00074 <font class="comment"> */</font> +<a name="l00075"></a><a class="code" href="classNLNET_1_1CInetAddress.html#b0">00075</a> CInetAddress::CInetAddress( <font class="keyword">const</font> in_addr *ip ) +00076 { +00077 <a class="code" href="classNLNET_1_1CInetAddress.html#c0">init</a>(); +00078 <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_port = 0; +00079 memcpy( &<a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_addr, ip, <font class="keyword">sizeof</font>(in_addr) ); +00080 +00081 <font class="comment">// get the host name to be displayed</font> +00082 hostent *phostent = gethostbyaddr( (<font class="keywordtype">char</font>*)&ip->s_addr, 4, AF_INET ); +00083 <font class="keywordflow">if</font> ( phostent == NULL ) +00084 { +00085 <a class="code" href="classNLNET_1_1CInetAddress.html#o0">_HostName</a> = <a class="code" href="classNLNET_1_1CInetAddress.html#a14">ipAddress</a>(); +00086 } +00087 <font class="keywordflow">else</font> +00088 { +00089 <a class="code" href="classNLNET_1_1CInetAddress.html#o0">_HostName</a> = string( phostent->h_name ); +00090 } +00091 <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> = <font class="keyword">true</font>; +00092 } +00093 +00094 +00095 <font class="comment">/*</font> +00096 <font class="comment"> * Alternate constructor (calls setByName())</font> +00097 <font class="comment"> */</font> +<a name="l00098"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a1">00098</a> CInetAddress::CInetAddress( <font class="keyword">const</font> std::string& hostName, <a class="code" href="types__nl_8h.html#a8">uint16</a> port ) +00099 { +00100 <a class="code" href="classNLNET_1_1CInetAddress.html#c0">init</a>(); +00101 <a class="code" href="classNLNET_1_1CInetAddress.html#a7">setPort</a>( <a class="code" href="classNLNET_1_1CInetAddress.html#a16">port</a> ); +00102 <a class="code" href="classNLNET_1_1CInetAddress.html#a6">setByName</a>( <a class="code" href="classNLNET_1_1CInetAddress.html#a15">hostName</a> ); +00103 } +00104 +00105 +00106 <font class="comment">/*</font> +00107 <font class="comment"> * Alternate constructor (calls setNameAndPort())</font> +00108 <font class="comment"> */</font> +<a name="l00109"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a2">00109</a> CInetAddress::CInetAddress( <font class="keyword">const</font> std::string& hostNameAndPort ) +00110 { +00111 <a class="code" href="classNLNET_1_1CInetAddress.html#c0">init</a>(); +00112 <a class="code" href="classNLNET_1_1CInetAddress.html#a8">setNameAndPort</a>( hostNameAndPort ); +00113 } +00114 +00115 +00116 <font class="comment">/*</font> +00117 <font class="comment"> * Copy constructor</font> +00118 <font class="comment"> */</font> +<a name="l00119"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a3">00119</a> CInetAddress::CInetAddress( <font class="keyword">const</font> CInetAddress& other ) +00120 { +00121 <a class="code" href="classNLNET_1_1CInetAddress.html#c0">init</a>(); +00122 <a class="code" href="classNLNET_1_1CInetAddress.html#o0">_HostName</a> = other._HostName; +00123 memcpy( <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>, other._SockAddr, <font class="keyword">sizeof</font>( *<a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a> ) ); +00124 <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> = other._Valid; +00125 } +00126 +00127 +00128 <font class="comment">/*</font> +00129 <font class="comment"> * Assignment operator</font> +00130 <font class="comment"> */</font> +<a name="l00131"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a4">00131</a> CInetAddress& CInetAddress::operator=( <font class="keyword">const</font> CInetAddress& other ) +00132 { +00133 <a class="code" href="classNLNET_1_1CInetAddress.html#o0">_HostName</a> = other._HostName; +00134 memcpy( <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>, other._SockAddr, <font class="keyword">sizeof</font>( *<a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a> ) ); +00135 <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> = other._Valid; +00136 <font class="keywordflow">return</font> *<font class="keyword">this</font>; +00137 } +00138 +00139 +00140 <font class="comment">/*</font> +00141 <font class="comment"> * Comparison == operator</font> +00142 <font class="comment"> */</font> +<a name="l00143"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a98">00143</a> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLNET.html#a98">operator==</a>( <font class="keyword">const</font> CInetAddress& a1, <font class="keyword">const</font> CInetAddress& a2 ) +00144 { +00145 <font class="comment">// Compares the sockaddr structure except the last 8 bytes equal to zero.</font> +00146 <font class="keywordflow">return</font> ( memcmp( a1._SockAddr, a2._SockAddr, <font class="keyword">sizeof</font>(sockaddr_in)-8 ) == 0 ); +00147 } +00148 +00149 +00150 <font class="comment">/*</font> +00151 <font class="comment"> * Comparison < operator</font> +00152 <font class="comment"> */</font> +<a name="l00153"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a99">00153</a> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLNET.html#a99">operator<</a>( <font class="keyword">const</font> CInetAddress& a1, <font class="keyword">const</font> CInetAddress& a2 ) +00154 { +00155 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font> +00156 <font class="preprocessor"></font> <font class="keywordflow">if</font> ( a1._SockAddr->sin_addr.S_un.S_addr == a2._SockAddr->sin_addr.S_un.S_addr ) +00157 { +00158 <font class="keywordflow">return</font> ( a1.port() < a2.port() ); +00159 } +00160 <font class="keywordflow">else</font> +00161 { +00162 <font class="keywordflow">return</font> ( a1._SockAddr->sin_addr.S_un.S_addr < a2._SockAddr->sin_addr.S_un.S_addr ); +00163 } +00164 <font class="preprocessor">#elif defined NL_OS_UNIX</font> +00165 <font class="preprocessor"></font> <font class="keywordflow">if</font> ( a1._SockAddr->sin_addr.s_addr == a2._SockAddr->sin_addr.s_addr ) +00166 { +00167 <font class="keywordflow">return</font> ( a1.port() < a2.port() ); +00168 } +00169 <font class="keywordflow">else</font> +00170 { +00171 <font class="keywordflow">return</font> ( a1._SockAddr->sin_addr.s_addr < a2._SockAddr->sin_addr.s_addr ); +00172 } +00173 <font class="preprocessor">#endif </font> +00174 <font class="preprocessor"></font>} +00175 +00176 +00177 <font class="comment">/*</font> +00178 <font class="comment"> * Constructor contents</font> +00179 <font class="comment"> */</font> +<a name="l00180"></a><a class="code" href="classNLNET_1_1CInetAddress.html#c0">00180</a> <font class="keywordtype">void</font> CInetAddress::init() +00181 { +00182 CSock::initNetwork(); +00183 +00184 <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> = <font class="keyword">false</font>; +00185 +00186 <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a> = <font class="keyword">new</font> sockaddr_in; +00187 <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_family = AF_INET; +00188 memset( <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_zero, 0, 8 ); +00189 } +00190 +00191 +00192 <font class="comment">/*</font> +00193 <font class="comment"> * Destructor</font> +00194 <font class="comment"> */</font> +<a name="l00195"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a5">00195</a> CInetAddress::~CInetAddress() +00196 { +00197 <font class="keyword">delete</font> <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>; +00198 <font class="comment">// _Valid = false;</font> +00199 } +00200 +00201 <font class="comment">/*</font> +00202 <font class="comment"> * Sets hostname and port (ex: www.nevrax.com:80)</font> +00203 <font class="comment"> */</font> +<a name="l00204"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a8">00204</a> <font class="keywordtype">void</font> CInetAddress::setNameAndPort( <font class="keyword">const</font> std::string& hostNameAndPort ) +00205 { +00206 <a class="code" href="types__nl_8h.html#a10">uint32</a> pos = hostNameAndPort.find_first_of (<font class="charliteral">':'</font>); +00207 <font class="keywordflow">if</font> (pos != string::npos) +00208 { +00209 <a class="code" href="classNLNET_1_1CInetAddress.html#a7">setPort</a>( atoi(hostNameAndPort.substr(pos + 1).c_str()) ); +00210 } +00211 <font class="keywordflow">else</font> +00212 { +00213 <a class="code" href="classNLNET_1_1CInetAddress.html#a7">setPort</a>( 0 ); +00214 } +00215 +00216 <font class="comment">// if pos == -1, it will copy all the string</font> +00217 <a class="code" href="classNLNET_1_1CInetAddress.html#a6">setByName</a>( hostNameAndPort.substr (0, pos) ); +00218 } +00219 +00220 +00221 <font class="comment">/*</font> +00222 <font class="comment"> * Resolves a name</font> +00223 <font class="comment"> */</font> +<a name="l00224"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a6">00224</a> CInetAddress& CInetAddress::setByName( <font class="keyword">const</font> std::string& hostName ) +00225 { +00226 <font class="comment">// Try to convert directly for addresses such as a.b.c.d</font> +00227 in_addr iaddr; +00228 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font> +00229 <font class="preprocessor"></font> iaddr.S_un.S_addr = inet_addr( <a class="code" href="classNLNET_1_1CInetAddress.html#a15">hostName</a>.c_str() ); +00230 <font class="keywordflow">if</font> ( iaddr.S_un.S_addr == INADDR_NONE ) +00231 <font class="preprocessor">#elif defined NL_OS_UNIX</font> +00232 <font class="preprocessor"></font> iaddr.s_addr = inet_addr( <a class="code" href="classNLNET_1_1CInetAddress.html#a15">hostName</a>.c_str() ); +00233 <font class="keywordflow">if</font> ( iaddr.s_addr == INADDR_NONE ) +00234 <font class="preprocessor">#endif</font> +00235 <font class="preprocessor"></font> { +00236 +00237 <font class="comment">// Otherwise use the traditional DNS look-up</font> +00238 hostent *phostent = gethostbyname( <a class="code" href="classNLNET_1_1CInetAddress.html#a15">hostName</a>.c_str() ); +00239 <font class="keywordflow">if</font> ( phostent == NULL ) +00240 { +00241 <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> = <font class="keyword">false</font>; +00242 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL0: Network error: resolution of hostname '%s' failed"</font>, <a class="code" href="classNLNET_1_1CInetAddress.html#a15">hostName</a>.c_str() ); +00243 <font class="comment">// return *this;</font> +00244 <font class="keywordflow">throw</font> ESocket( (string(<font class="stringliteral">"Hostname resolution failed for "</font>)+<a class="code" href="classNLNET_1_1CInetAddress.html#a15">hostName</a>).c_str() ); +00245 } +00246 <a class="code" href="classNLNET_1_1CInetAddress.html#o0">_HostName</a> = string( phostent->h_name ); +00247 memcpy( &<a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_addr, phostent->h_addr, <font class="keyword">sizeof</font>(in_addr) ); +00248 } +00249 <font class="keywordflow">else</font> +00250 { +00251 <a class="code" href="classNLNET_1_1CInetAddress.html#o0">_HostName</a> = <a class="code" href="classNLNET_1_1CInetAddress.html#a15">hostName</a>; +00252 memcpy( &<a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_addr, &iaddr, <font class="keyword">sizeof</font>(iaddr) ); +00253 } +00254 <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> = <font class="keyword">true</font>; +00255 <font class="keywordflow">return</font> *<font class="keyword">this</font>; +00256 } +00257 +00258 +00259 <font class="comment">/*</font> +00260 <font class="comment"> * Sets port</font> +00261 <font class="comment"> */</font> +<a name="l00262"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a7">00262</a> <font class="keywordtype">void</font> CInetAddress::setPort( <a class="code" href="types__nl_8h.html#a8">uint16</a> port ) +00263 { +00264 <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_port = htons( <a class="code" href="classNLNET_1_1CInetAddress.html#a16">port</a> ); +00265 +00266 } +00267 +00268 +00269 <font class="comment">/* Sets internal socket address directly (contents is copied).</font> +00270 <font class="comment"> * It also retrieves the host name if CInetAddress::RetrieveNames is true.</font> +00271 <font class="comment"> */</font> +<a name="l00272"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a9">00272</a> <font class="keywordtype">void</font> CInetAddress::setSockAddr( <font class="keyword">const</font> sockaddr_in* saddr ) +00273 { +00274 memcpy( <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>, saddr, <font class="keyword">sizeof</font>(*saddr) ); +00275 +00276 <font class="comment">// Get host name</font> +00277 <font class="comment">// Warning: when it can't find it, it take more than 4 seconds</font> +00278 <font class="keywordflow">if</font> ( CInetAddress::RetrieveNames ) +00279 { +00280 hostent *phostent = gethostbyaddr( (<font class="keywordtype">char</font>*)&saddr->sin_addr.s_addr, 4, AF_INET ); +00281 <font class="keywordflow">if</font> ( phostent == NULL ) +00282 { +00283 <a class="code" href="classNLNET_1_1CInetAddress.html#o0">_HostName</a> = <a class="code" href="classNLNET_1_1CInetAddress.html#a14">ipAddress</a>(); +00284 } +00285 <font class="keywordflow">else</font> +00286 { +00287 <a class="code" href="classNLNET_1_1CInetAddress.html#o0">_HostName</a> = string( phostent->h_name ); +00288 } +00289 } +00290 <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> = <font class="keyword">true</font>; +00291 } +00292 +00293 +00294 <font class="comment">/*</font> +00295 <font class="comment"> * Returns if object (address and port) is valid</font> +00296 <font class="comment"> */</font> +<a name="l00297"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a10">00297</a> <font class="keywordtype">bool</font> CInetAddress::isValid()<font class="keyword"> const</font> +00298 <font class="keyword"></font>{ +00299 <font class="keywordflow">return</font> ( <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> && <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_port!=0 ); <font class="comment">// same as ntohs(0)</font> +00300 } +00301 +00302 +00303 <font class="comment">/*</font> +00304 <font class="comment"> * Returns internal socket address (read only)</font> +00305 <font class="comment"> */</font> +<a name="l00306"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a11">00306</a> <font class="keyword">const</font> sockaddr_in *CInetAddress::sockAddr()<font class="keyword"> const</font> +00307 <font class="keyword"></font>{ +00308 <font class="keywordflow">return</font> <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>; +00309 } +00310 +00311 +00312 <font class="comment">/*</font> +00313 <font class="comment"> * Returns internal IP address</font> +00314 <font class="comment"> */</font> +<a name="l00315"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a12">00315</a> <a class="code" href="types__nl_8h.html#a10">uint32</a> CInetAddress::internalIPAddress()<font class="keyword"> const</font> +00316 <font class="keyword"></font>{ +00317 <font class="keywordflow">return</font> <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_addr.s_addr; +00318 } +00319 +<a name="l00320"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a13">00320</a> <a class="code" href="types__nl_8h.html#a10">uint32</a> CInetAddress::internalNetAddress()<font class="keyword"> const</font> +00321 <font class="keyword"></font>{ +00322 <a class="code" href="types__nl_8h.html#a10">uint32</a> ip = <a class="code" href="classNLNET_1_1CInetAddress.html#a12">internalIPAddress</a>(); +00323 <font class="keywordflow">if</font> ((ip&0x00000080) == 0) +00324 { +00325 <font class="comment">// A class</font> +00326 <font class="keywordflow">return</font> ip & 0x000000FF; +00327 } +00328 <font class="keywordflow">else</font> <font class="keywordflow">if</font> ((ip&0x00000040) == 0) +00329 { +00330 <font class="comment">// B class</font> +00331 <font class="keywordflow">return</font> ip & 0x0000FFFF; +00332 } +00333 <font class="keywordflow">else</font> <font class="keywordflow">if</font> ((ip&0x00000020) == 0) +00334 { +00335 <font class="comment">// C class</font> +00336 <font class="keywordflow">return</font> ip & 0x00FFFFFF; +00337 } +00338 <font class="keywordflow">else</font> <font class="keywordflow">if</font> ((ip&0x00000010) == 0) +00339 { +00340 <font class="comment">// D class</font> +00341 <font class="keywordflow">return</font> ip & 0xFFFFFFFF; +00342 } +00343 <font class="keywordflow">else</font> +00344 { +00345 <font class="keywordflow">return</font> ip; +00346 } +00347 } +00348 +00349 +00350 +00351 +00352 <font class="comment">/*</font> +00353 <font class="comment"> * Returns readable IP address. (ex: "195.68.21.195")</font> +00354 <font class="comment"> */</font> +<a name="l00355"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a14">00355</a> string CInetAddress::ipAddress()<font class="keyword"> const</font> +00356 <font class="keyword"></font>{ +00357 <font class="comment">/*stringstream ss; // or use inet_ntoa</font> +00358 <font class="comment"> ss << inet_ntoa ( _SockAddr->sin_addr );</font> +00359 <font class="comment"> return ss.str();*/</font> +00360 <font class="keywordflow">return</font> string( inet_ntoa( <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_addr ) ); +00361 } +00362 +00363 +00364 <font class="comment">/*</font> +00365 <font class="comment"> * Returns host name. (ex: "www.nevrax.org")</font> +00366 <font class="comment"> */</font> +<a name="l00367"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a15">00367</a> <font class="keyword">const</font> string& CInetAddress::hostName()<font class="keyword"> const</font> +00368 <font class="keyword"></font>{ +00369 <font class="keywordflow">return</font> <a class="code" href="classNLNET_1_1CInetAddress.html#o0">_HostName</a>; +00370 } +00371 +00372 +00373 <font class="comment">/*</font> +00374 <font class="comment"> * Returns port</font> +00375 <font class="comment"> */</font> +<a name="l00376"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a16">00376</a> <a class="code" href="types__nl_8h.html#a8">uint16</a> CInetAddress::port()<font class="keyword"> const</font> +00377 <font class="keyword"></font>{ +00378 <font class="keywordflow">return</font> ntohs( <a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>->sin_port ); +00379 } +00380 +00381 +00382 <font class="comment">/*</font> +00383 <font class="comment"> * Returns hostname and port as a string. (ex: "www.nevrax.org:80 (195.68.21.195)")</font> +00384 <font class="comment"> */</font> +<a name="l00385"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a17">00385</a> std::string CInetAddress::asString()<font class="keyword"> const</font> +00386 <font class="keyword"></font>{ +00387 stringstream ss; +00388 ss << <a class="code" href="classNLNET_1_1CInetAddress.html#a15">hostName</a>() << <font class="stringliteral">":"</font> << <a class="code" href="classNLNET_1_1CInetAddress.html#a16">port</a>() << <font class="stringliteral">" ("</font> << <a class="code" href="classNLNET_1_1CInetAddress.html#a14">ipAddress</a>() << <font class="stringliteral">")"</font>; +00389 <font class="keywordflow">return</font> ss.str(); +00390 } +00391 +00392 +00393 <font class="comment">/*</font> +00394 <font class="comment"> * Returns IP address and port as a string. (ex: "195.68.21.195:80")</font> +00395 <font class="comment"> */</font> +<a name="l00396"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a18">00396</a> std::string CInetAddress::asIPString()<font class="keyword"> const</font> +00397 <font class="keyword"></font>{ +00398 stringstream ss; +00399 ss << <a class="code" href="classNLNET_1_1CInetAddress.html#a14">ipAddress</a>() << <font class="stringliteral">":"</font> << <a class="code" href="classNLNET_1_1CInetAddress.html#a16">port</a>(); +00400 <font class="keywordflow">return</font> ss.str(); +00401 } +00402 +00403 +00404 <font class="comment">/*</font> +00405 <font class="comment"> * Serialize</font> +00406 <font class="comment"> */</font> +<a name="l00407"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a19">00407</a> <font class="keywordtype">void</font> CInetAddress::serial( <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a260">s</a> ) +00408 { +00409 <a class="code" href="classNLMISC_1_1CMemStream.html">NLMISC::CMemStream</a> *ms = dynamic_cast<NLMISC::CMemStream*>(&s); +00410 <font class="keywordflow">if</font> ( ms && ms-><a class="code" href="classNLMISC_1_1CMemStream.html#a4">stringMode</a>() ) +00411 { +00412 <font class="comment">// String stream</font> +00413 string addrs; +00414 <font class="keywordflow">if</font> ( ms-><a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() ) +00415 { +00416 ms-><a class="code" href="classNLMISC_1_1CMemStream.html#a21">serial</a>( addrs ); +00417 <a class="code" href="classNLNET_1_1CInetAddress.html#a8">setNameAndPort</a>( addrs ); +00418 } +00419 <font class="keywordflow">else</font> +00420 { +00421 addrs = <a class="code" href="classNLNET_1_1CInetAddress.html#a18">asIPString</a>(); +00422 ms-><a class="code" href="classNLMISC_1_1CMemStream.html#a21">serial</a>( addrs ); +00423 } +00424 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>( <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> ); +00425 } +00426 <font class="keywordflow">else</font> +00427 { +00428 <font class="comment">// Binary stream</font> +00429 s.<a class="code" href="classNLMISC_1_1IStream.html#z320_0">serialBuffer</a>( (<a class="code" href="types__nl_8h.html#a6">uint8</a>*)<a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>, <font class="keyword">sizeof</font>(*<a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>) ); <font class="comment">// this is possible only because the contents of _SockAddr is platform-independant !</font> +00430 s.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>( <a class="code" href="classNLNET_1_1CInetAddress.html#o2">_Valid</a> ); +00431 +00432 <font class="keywordflow">if</font>(_Valid) +00433 { +00434 <font class="comment">// retreive the fullname</font> +00435 <a class="code" href="classNLNET_1_1CInetAddress.html#a9">setSockAddr</a> (<a class="code" href="classNLNET_1_1CInetAddress.html#o1">_SockAddr</a>); +00436 } +00437 +00438 } +00439 } +00440 +00441 +00442 <font class="comment">/*</font> +00443 <font class="comment"> * Creates a CInetAddress object with local host address, port=0</font> +00444 <font class="comment"> */</font> +<a name="l00445"></a><a class="code" href="classNLNET_1_1CInetAddress.html#d0">00445</a> CInetAddress CInetAddress::localHost() +00446 { +00447 <font class="keyword">const</font> <a class="code" href="types__nl_8h.html#a14">uint</a> maxlength = 80; +00448 <font class="keywordtype">char</font> localhost [maxlength]; +00449 <font class="keywordflow">if</font> ( gethostname( localhost, maxlength ) != 0 ) +00450 <font class="keywordflow">throw</font> ESocket( <font class="stringliteral">"Unable to get local hostname"</font> ); +00451 <a class="code" href="classNLNET_1_1CInetAddress.html#a0">CInetAddress</a> localaddr = <a class="code" href="classNLNET_1_1CInetAddress.html#a0">CInetAddress</a>( string(localhost) ); +00452 +00453 <font class="keywordflow">if</font> ( localaddr.ipAddress() == <font class="stringliteral">"127.0.0.1"</font> ) +00454 { +00455 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"*** No network card detected! using localhost (127.0.0.1)"</font>); +00456 } +00457 +00458 <font class="keywordflow">return</font> localaddr; +00459 } +00460 +00461 +00462 <font class="comment">/* Returns the list of the local host addresses (with port=0)</font> +00463 <font class="comment"> * (especially useful if the host is multihomed)</font> +00464 <font class="comment"> */</font> +<a name="l00465"></a><a class="code" href="classNLNET_1_1CInetAddress.html#d1">00465</a> std::vector<CInetAddress> CInetAddress::localAddresses() +00466 { +00467 <font class="comment">// 1. Get local host name</font> +00468 <font class="keyword">const</font> <a class="code" href="types__nl_8h.html#a14">uint</a> maxlength = 80; +00469 <font class="keywordtype">char</font> localhost [maxlength]; +00470 <font class="keywordflow">if</font> ( gethostname( localhost, maxlength ) == SOCKET_ERROR ) +00471 { +00472 <font class="keywordflow">throw</font> ESocket( <font class="stringliteral">"Unable to get local hostname"</font> ); +00473 } +00474 +00475 <font class="comment">// 2. Get address list</font> +00476 hostent *phostent = gethostbyname( localhost ); +00477 <font class="keywordflow">if</font> ( phostent == NULL ) +00478 { +00479 <font class="keywordflow">throw</font> ESocket( (string(<font class="stringliteral">"Hostname resolution failed for "</font>)+string(localhost)).c_str() ); +00480 } +00481 <a class="code" href="types__nl_8h.html#a14">uint</a> i; +00482 vector<CInetAddress> vect; +00483 <font class="keywordflow">for</font> ( i=0; phostent->h_addr_list[i]!=0; ++i ) +00484 { +00485 vect.push_back( <a class="code" href="classNLNET_1_1CInetAddress.html#a0">CInetAddress</a>( (<font class="keyword">const</font> in_addr*)(phostent->h_addr_list[i]) ) ); +00486 } +00487 +00488 <font class="keywordflow">if</font>(vect.empty()) +00489 { +00490 <font class="keywordflow">throw</font> ESocket( (string(<font class="stringliteral">"No network card detected for "</font>)+string(localhost)).c_str() ); +00491 } +00492 +00493 <font class="keywordflow">return</font> vect; +00494 } +00495 +<a name="l00496"></a><a class="code" href="classNLNET_1_1CInetAddress.html#a20">00496</a> <font class="keywordtype">bool</font> CInetAddress::is127001 ()<font class="keyword"> const </font> +00497 <font class="keyword"></font>{ +00498 <font class="keywordflow">return</font> (<a class="code" href="classNLNET_1_1CInetAddress.html#a12">internalIPAddress</a> () == htonl(0x7F000001)); +00499 } +00500 +00501 +00502 std::string <a class="code" href="namespaceNLNET.html#a85">vectorCInetAddressToString</a>(<font class="keyword">const</font> std::vector<CInetAddress> &addrs) +00503 { +00504 string str; +00505 +00506 <font class="keywordflow">for</font> (<a class="code" href="types__nl_8h.html#a14">uint</a> i = 0; i < addrs.size(); i++) +00507 { +00508 <font class="keywordflow">if</font> (i != 0) +00509 str += <font class="stringliteral">" "</font>; +00510 str += addrs[i].asString().c_str (); +00511 } +00512 <font class="keywordflow">return</font> str; +00513 } +00514 +00515 <a class="code" href="types__nl_8h.html#a10">uint32</a> <a class="code" href="namespaceNLNET.html#a83">stringToInternalIPAddress</a> (<font class="keyword">const</font> std::string &addr) +00516 { +00517 <font class="keywordflow">return</font> inet_addr( addr.c_str() ); +00518 } +00519 +00520 std::string <a class="code" href="namespaceNLNET.html#a84">internalIPAddressToString</a> (<a class="code" href="types__nl_8h.html#a10">uint32</a> addr) +00521 { +00522 string res; +00523 res = toString((addr)&0xFF); +00524 res += <font class="stringliteral">"."</font>; +00525 res += toString((addr>>8)&0xFF); +00526 res += <font class="stringliteral">"."</font>; +00527 res += toString((addr>>16)&0xFF); +00528 res += <font class="stringliteral">"."</font>; +00529 res += toString((addr>>24)&0xFF); +00530 <font class="keywordflow">return</font> res; +00531 } +00532 +00533 +00534 } <font class="comment">// NLNET</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |