137 lines
3.9 KiB
C
137 lines
3.9 KiB
C
/*
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* LibNoPoll: A websocket library
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* Copyright (C) 2013 Advanced Software Production Line, S.L.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*
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* You may find a copy of the license under this software is released
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* at COPYING file. This is LGPL software: you are welcome to develop
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* proprietary applications using this library without any royalty or
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* fee but returning back any change, improvement or addition in the
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* form of source code, project image, documentation patches, etc.
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*
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* For commercial support on build Websocket enabled solutions
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* contact us:
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*
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* Postal address:
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* Advanced Software Production Line, S.L.
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* Edificio Alius A, Oficina 102,
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* C/ Antonio Suarez Nº 10,
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* Alcalá de Henares 28802 Madrid
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* Spain
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*
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* Email address:
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* info@aspl.es - http://www.aspl.es/nopoll
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*/
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#include <nopoll.h>
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#define LOG_DOMAIN "nopoll-win32"
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#if defined(NOPOLL_OS_WIN32)
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nopoll_bool __nopoll_win32_was_init = nopoll_false;
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int nopoll_win32_init (noPollCtx * ctx)
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{
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WORD wVersionRequested;
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WSADATA wsaData;
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int error;
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if (__nopoll_win32_was_init)
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return nopoll_true;
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wVersionRequested = MAKEWORD( 2, 2 );
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error = WSAStartup( wVersionRequested, &wsaData );
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if (error != NO_ERROR) {
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nopoll_log (ctx, NOPOLL_LEVEL_CRITICAL, "unable to init winsock api, exiting..");
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return nopoll_false;
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}
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nopoll_log (ctx, NOPOLL_LEVEL_DEBUG, "winsock initialization ok");
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/* flag the library as initialized */
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__nopoll_win32_was_init = nopoll_true;
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return nopoll_true;
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}
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BOOL APIENTRY DllMain (HINSTANCE hInst,
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DWORD reason,
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LPVOID reserved)
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{
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/* always returns true because nopoll init is done through
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* nopoll_init */
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return nopoll_true;
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}
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int __nopoll_win32_blocking_socket_set (NOPOLL_SOCKET socket,
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int status)
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{
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unsigned long enable = status;
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return (ioctlsocket (socket, FIONBIO, &enable) == 0);
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}
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int nopoll_win32_nonblocking_enable (NOPOLL_SOCKET socket)
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{
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return __nopoll_win32_blocking_socket_set (socket, 1);
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}
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int nopoll_win32_blocking_enable (NOPOLL_SOCKET socket)
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{
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return __nopoll_win32_blocking_socket_set (socket, 0);
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}
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#if ! defined(HAVE_GETTIMEOFDAY)
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/**
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* @brief The function obtains the current time, expressed as seconds
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* and microseconds since the Epoch, and store it in the timeval
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* structure pointed to by tv. As posix says gettimeoday should return
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* zero and should not reserve any value for error, this function
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* returns zero.
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*
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* The timeval struct have the following members:
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*
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* \code
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* struct timeval {
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* long tv_sec;
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* long tv_usec;
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* } timeval;
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* \endcode
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*
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* @param tv Timeval struct.
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* @param notUsed Not defined.
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*
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* @return The function allways return 0.
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*/
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int nopoll_win32_gettimeofday(struct timeval *tv, noPollPtr notUsed)
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{
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union {
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long long ns100;
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FILETIME fileTime;
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} now;
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GetSystemTimeAsFileTime (&now.fileTime);
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tv->tv_usec = (long) ((now.ns100 / 10LL) % 1000000LL);
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tv->tv_sec = (long) ((now.ns100 - 116444736000000000LL) / 10000000LL);
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return (0);
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} /* end gettimeofday */
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#endif /* end ! defined(HAVE_GETTIMEOFDAY) */
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#endif
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