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Added socket helper functions.

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This commit is contained in:
lotodore
2007-02-08 00:19:40 +00:00
parent 62d7e22ac2
commit ad02d4572f
7 changed files with 300 additions and 0 deletions
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src/net/genericsocket.h
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/***************************************************************************
* Copyright (C) 2007 by Lothar May *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
/* Platform independent socket include header. */
#ifndef _GENERICSOCKET_H_
#define _GENERICSOCKET_H_
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#endif
src/net/linux/socket_helper.c
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/***************************************************************************
* Copyright (C) 2007 by Lothar May *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef _WIN32
#error This source code is not for Win32.
#endif
#include "socket_helper.h"
bool
socket_string_to_addr(const char *str, int addrFamily, struct sockaddr * addr, int addrLen)
{
if (addrFamily == AF_INET)
return (inet_pton(addrFamily, str, &((struct sockaddr_in *)addr)->sin_addr) == 1);
else if (addrFamily == AF_INET6)
return (inet_pton(addrFamily, str, &((struct sockaddr_in6 *)addr)->sin6_addr) == 1);
else
return false;
}
bool
socket_resolve(const char *str, int addrFamily, int sockType, int protocol, struct sockaddr *addr, int addrLen)
{
}
src/net/linux/socket_startup.c
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/***************************************************************************
* Copyright (C) 2007 by Lothar May *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef _WIN32
#error This source code is not for Win32.
#endif
#include "socket_startup.h"
bool
socket_startup()
{
return true;
}
void
socket_cleanup()
{
}
src/net/socket_helper.h
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/***************************************************************************
* Copyright (C) 2007 by Lothar May *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
/* Socket helper defines and functions. */
#ifndef _SOCKET_HELPER_H_
#define _SOCKET_HELPER_H_
#include "genericsocket.h"
#ifndef bzero
#include <cstring>
#define bzero(_ptr, _n) std::memset(_ptr, 0, _n)
#endif
#ifdef _WIN32
#define CLOSESOCKET closesocket
#else
#define SOCKET int
#define SOCKET_ERROR -1
#define INVALID_SOCKET -1
#define CLOSESOCKET close
#endif
#define IS_VALID_SOCKET(_s) ((_s) != INVALID_SOCKET)
#define IS_VALID_CONNECT(_c) ((_c) == 0)
#define IS_VALID_RECV(_r) ((_r) != SOCKET_ERROR)
#define IS_VALID_SEND(_s) ((_s) != SOCKET_ERROR)
#define IS_VALID_BIND(_b) ((_b) != SOCKET_ERROR)
// All char *s are assumed to be UTF-8.
/**
* Convert an address string to a numeric address.
* str is assumed to be UTF-8 encoded.
*/
bool socket_string_to_addr(const char *str, int addrFamily, struct sockaddr *addr, int addrLen);
/**
* Resolve a name to a numeric address.
* str is assumed to be UTF-8 encoded.
*/
bool socket_resolve(const char *str, int addrFamily, int sockType, int protocol, struct sockaddr *addr, int addrLen);
#endif
src/net/socket_startup.h
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/***************************************************************************
* Copyright (C) 2007 by Lothar May *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
/* Socket startup/cleanup functions (required for Win32). */
#ifndef _SOCKET_STARTUP_H_
#define _SOCKET_STARTUP_H_
bool socket_startup();
void socket_cleanup();
#endif
src/net/win32/socket_helper.c
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/***************************************************************************
* Copyright (C) 2007 by Lothar May *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef _WIN32
#error This source code is Win32 only.
#endif
#include "socket_helper.h"
bool
socket_string_to_addr(const char *str, int addrFamily, struct sockaddr * addr, int addrLen)
{
// TODO: convert str from UTF-8 to UTF-16 (Win32 byte order)
//return (WSAStringToAddress((wchar_t *)str, addrFamily, NULL, addr, &addrLen) != SOCKET_ERROR);
}
bool
socket_resolve(const char *str, int addrFamily, int sockType, int protocol, struct sockaddr *addr, int addrLen)
{
}
src/net/win32/socket_startup.c
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/***************************************************************************
* Copyright (C) 2007 by Lothar May *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef _WIN32
#error This source code is Win32 only.
#endif
#include <winsock2.h>
#define USE_SOCKET_VERSION_MAJOR 2
#define USE_SOCKET_VERSION_MINOR 2
bool
socket_startup()
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD(USE_SOCKET_VERSION_MAJOR, USE_SOCKET_VERSION_MINOR);
err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0)
{
/* Tell the user that we could not find a usable */
/* WinSock DLL. */
return false;
}
/* Confirm that the WinSock DLL supports 2.2.*/
/* Note that if the DLL supports versions greater */
/* than 2.2 in addition to 2.2, it will still return */
/* 2.2 in wVersion since that is the version we */
/* requested. */
if (LOBYTE(wsaData.wVersion) != USE_SOCKET_VERSION_MAJOR ||
HIBYTE(wsaData.wVersion) != USE_SOCKET_VERSION_MINOR) {
/* Tell the user that we could not find a usable */
/* WinSock DLL. */
WSACleanup();
return false;
}
/* The WinSock DLL is acceptable. Proceed. */
return true;
}
void
socket_cleanup()
{
WSACleanup();
}