C++ Sockets Library

00001 
00005 /*
00006 Copyright (C) 2004-2011  Anders Hedstrom
00007 
00008 This library is made available under the terms of the GNU GPL, with
00009 the additional exemption that compiling, linking, and/or using OpenSSL 
00010 is allowed.
00011 
00012 If you would like to use this library in a closed-source application,
00013 a separate license agreement is available. For information about 
00014 the closed-source license agreement for the C++ sockets library,
00015 please visit http://www.alhem.net/Sockets/license.html and/or
00016 email license@alhem.net.
00017 
00018 This program is free software; you can redistribute it and/or
00019 modify it under the terms of the GNU General Public License
00020 as published by the Free Software Foundation; either version 2
00021 of the License, or (at your option) any later version.
00022 
00023 This program is distributed in the hope that it will be useful,
00024 but WITHOUT ANY WARRANTY; without even the implied warranty of
00025 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00026 GNU General Public License for more details.
00027 
00028 You should have received a copy of the GNU General Public License
00029 along with this program; if not, write to the Free Software
00030 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00031 */
00032 #ifndef _SOCKETS_socket_include_H
00033 #define _SOCKETS_socket_include_H
00034 #include "sockets-config.h"
00035 
00036 #ifdef _MSC_VER
00037 #pragma warning(disable:4514)
00038 #endif
00039 
00040 // common defines affecting library and applications using library
00041 
00042 /* Define SOCKETS_DYNAMIC_TEMP to use dynamically allocated buffers
00043    in read operations - helps on ECOS */
00044 #define SOCKETS_DYNAMIC_TEMP
00045 
00047 typedef unsigned long socketuid_t;
00048 
00049 // platform specific stuff
00050 #if (defined(__unix__) || defined(unix)) && !defined(USG)
00051 #include <sys/param.h>
00052 #endif
00053 #include <list>
00054 
00055 // int64
00056 #ifdef _WIN32
00057 #ifndef uint64_t
00058 typedef unsigned __int64 uint64_t;
00059 #endif
00060 #ifndef int64_t
00061 typedef __int64 int64_t;
00062 #endif
00063 #else
00064 #include <stdlib.h>
00065 #ifdef SOLARIS
00066 # include <sys/types.h>
00067 #else
00068 # include <stdint.h>
00069 #endif
00070 #endif
00071 
00072 #ifndef _WIN32 
00073 // ----------------------------------------
00074 // common unix includes / defines
00075 #include <sys/time.h>
00076 #include <sys/types.h>
00077 #include <sys/socket.h>
00078 #include <netinet/in.h>
00079 #include <arpa/inet.h>
00080 
00081 // all typedefs in this file will be declared outside the sockets namespace,
00082 // because some os's will already have one or more of the type defined.
00083 typedef int SOCKET;
00084 #define Errno errno
00085 #define StrError strerror
00086 
00087 #ifdef SOCKETS_NAMESPACE
00088 namespace SOCKETS_NAMESPACE {
00089 #endif
00090 
00091 
00092 // WIN32 adapt
00093 #define closesocket close
00094 #define INVALID_SOCKET -1
00095 #define SOCKET_ERROR -1
00096 
00097 #ifndef INADDR_NONE
00098 #define INADDR_NONE ((unsigned long) -1)
00099 #endif // INADDR_NONE
00100 
00101 #ifdef SOCKETS_NAMESPACE
00102 }
00103 #endif
00104 
00105 #endif // !_WIN32
00106 
00107 
00108 // ----------------------------------------
00109 // Generic
00110 #ifndef SOL_IP
00111 #define SOL_IP IPPROTO_IP
00112 #endif
00113 
00114 
00115 // ----------------------------------------
00116 // OS specific adaptions
00117 
00118 #ifdef SOLARIS 
00119 // ----------------------------------------
00120 // Solaris
00121 typedef unsigned short port_t;
00122 #ifdef SOCKETS_NAMESPACE
00123 namespace SOCKETS_NAMESPACE {
00124 #endif
00125 // no defs
00126 
00127 #ifdef SOCKETS_NAMESPACE
00128 }
00129 #endif
00130 
00131 #define s6_addr16 _S6_un._S6_u8
00132 #define MSG_NOSIGNAL 0
00133 
00134 #elif defined __FreeBSD__
00135 // ----------------------------------------
00136 // FreeBSD
00137 # if __FreeBSD_version >= 400014
00138 #  define s6_addr16 __u6_addr.__u6_addr16
00139 #  if !defined(MSG_NOSIGNAL)
00140 #   define MSG_NOSIGNAL 0
00141 #  endif
00142 #  include <netinet/in.h>
00143 typedef in_addr_t ipaddr_t;
00144 typedef in_port_t port_t;
00145 #ifdef SOCKETS_NAMESPACE
00146 namespace SOCKETS_NAMESPACE {
00147 #endif
00148 // no defs
00149 
00150 #ifdef SOCKETS_NAMESPACE
00151 }
00152 #endif
00153 
00154 #  define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
00155 #  define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
00156 # else
00157 #  error FreeBSD versions prior to 400014 does not support ipv6
00158 # endif
00159 
00160 #elif defined MACOSX 
00161 // ----------------------------------------
00162 // Mac OS X
00163 //#include <string.h>
00164 #ifdef __DARWIN_UNIX03
00165 typedef unsigned short port_t;
00166 #else
00167 #include <mach/port.h>
00168 #endif // __DARWIN_UNIX03
00169 typedef unsigned long ipaddr_t;
00170 #ifdef SOCKETS_NAMESPACE
00171 namespace SOCKETS_NAMESPACE {
00172 #endif
00173 // no defs
00174 
00175 #ifdef SOCKETS_NAMESPACE
00176 }
00177 #endif
00178 
00179 #define s6_addr16 __u6_addr.__u6_addr16
00180 #define MSG_NOSIGNAL 0 // oops - thanks Derek
00181 #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
00182 #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
00183 
00184 #elif defined _WIN32 
00185 // ----------------------------------------
00186 // Win32
00187 #ifdef _MSC_VER
00188 #pragma comment(lib, "wsock32.lib")
00189 #endif
00190 #define strcasecmp _stricmp
00191 #ifndef __CYGWIN__
00192 #define snprintf sprintf_s
00193 #define vsnprintf vsprintf_s
00194 #endif
00195 
00196 typedef unsigned long ipaddr_t;
00197 typedef unsigned short port_t;
00198 typedef int socklen_t;
00199 #ifdef SOCKETS_NAMESPACE
00200 namespace SOCKETS_NAMESPACE {
00201 #endif
00202 // no defs
00203 
00204 #ifdef SOCKETS_NAMESPACE
00205 }
00206 #endif
00207 
00208 // 1.8.6: define FD_SETSIZE to something bigger than 64 if there are a lot of
00209 // simultaneous connections (must be done before including winsock.h)
00210 //#define FD_SETSIZE 1024
00211 
00212 // windows 2000 with ipv6 preview installed:
00213 //    http://msdn.microsoft.com/downloads/sdks/platform/tpipv6.asp
00214 // see the FAQ on how to install
00215 #define WIN32_LEAN_AND_MEAN
00216 #include <winsock2.h>
00217 #include <ws2tcpip.h>
00218 #if _MSC_VER < 1200
00219 #ifndef __CYGWIN__
00220 #ifdef ENABLE_IPV6
00221 #include <tpipv6.h>  // For IPv6 Tech Preview.
00222 #endif
00223 #endif
00224 #endif // _MSC_VER < 1200
00225 
00226 
00227 #define MSG_NOSIGNAL 0
00228 //#define SHUT_RDWR 2
00229 #define SHUT_WR 1
00230 
00231 #define Errno WSAGetLastError()
00232 const char *StrError(int x);
00233 
00234 #ifdef SOCKETS_NAMESPACE
00235 namespace SOCKETS_NAMESPACE {
00236 #endif
00237 
00238 
00239 // class WSAInitializer is a part of the Socket class (on win32)
00240 // as a static instance - so whenever an application uses a Socket,
00241 // winsock is initialized
00242 class WSAInitializer // Winsock Initializer
00243 {
00244 public:
00245         WSAInitializer() {
00246                 if (WSAStartup(0x101,&m_wsadata)) 
00247                 {
00248                         exit(-1);
00249                 }
00250         }
00251         ~WSAInitializer() {
00252                 WSACleanup();
00253         }
00254 private:
00255         WSADATA m_wsadata;
00256 };
00257 
00258 #ifdef SOCKETS_NAMESPACE
00259 }
00260 #endif
00261 
00262 #else 
00263 // ----------------------------------------
00264 // LINUX 
00265 typedef unsigned long ipaddr_t;
00266 typedef unsigned short port_t;
00267 #ifdef SOCKETS_NAMESPACE
00268 namespace SOCKETS_NAMESPACE {
00269 #endif
00270 // no defs
00271 
00272 #ifdef SOCKETS_NAMESPACE
00273 }
00274 #endif
00275 
00276 
00277 #endif
00278 
00279 #ifdef SOCKETS_NAMESPACE
00280 namespace SOCKETS_NAMESPACE {
00281 #endif
00282 
00283         typedef std::list<SOCKET> socket_v;
00284 
00285 
00286 #ifdef SOCKETS_NAMESPACE
00287 }
00288 #endif
00289 
00290 
00291 // getaddrinfo / getnameinfo replacements
00292 #ifdef NO_GETADDRINFO
00293 #ifndef AI_NUMERICHOST
00294 #define AI_NUMERICHOST 1
00295 #endif
00296 #ifndef NI_NUMERICHOST
00297 #define NI_NUMERICHOST 1
00298 #endif
00299 #endif
00300 
00301 
00302 #endif // _SOCKETS_socket_include_H
00303
socket_include.h
