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<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>
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