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/* bzflag
* Copyright (c) 1993-2025 Tim Riker
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the license found in the file
* named COPYING that should have accompanied this file.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
/*
* includes platform specific network files and adds missing stuff
*
* unfortunately this can include far more than necessary
*/
#ifndef BZF_NETWORK_H
#define BZF_NETWORK_H
#include "common.h"
#ifdef _WIN32
# include <winsock2.h>
# include <ws2tcpip.h>
using AddrLen = int;
# ifndef EINPROGRESS
# define EINPROGRESS WSAEWOULDBLOCK
# endif
# ifndef EWOULDBLOCK
# define EWOULDBLOCK WSAEWOULDBLOCK
# endif
# ifndef ECONNRESET
# define ECONNRESET WSAECONNRESET
# endif
# ifndef EBADMSG
# define EBADMSG WSAECONNRESET /* not defined by windows */
# endif
/* setsockopt prototypes the 4th arg as const char*. */
using SSOType = char const*;
using CNCTType = sockaddr const; // only appears used in bzadmin
inline int close(SOCKET s)
{
return closesocket(s);
}
# define ioctl(__fd, __req, __arg) \
ioctlsocket(__fd, __req, (u_long*)__arg)
# define gethostbyaddr(__addr, __len, __type) \
gethostbyaddr((const char*)__addr, __len, __type)
extern "C" {
int inet_aton(const char* cp, struct in_addr* pin);
void herror(const char* msg);
}
#else // !defined(_WIN32)
// unistd has close(). It is poor encapsulation the close() is called from
// - game/NetHandler.cxx
// - bzadmin/ServerLink.cxx
// - bzflag/ServerLink.cxx
// - bzflag/ServerStartMenu.cxx (this is starting bzfs from the gui ... an abomination)
// - bzfs/bzfs.cxx
// - net/multicast.cxx
// yet none of them have the proper include. A proper cross-platform socket encapsulation
// (which has been written more than once, so we shouldn't do it) would provide all the
// necessary methods.
# include <unistd.h>
# include <sys/ioctl.h> // Ubuntu (at least) needs this for ioctl (multicast.cxx, network.cxx)
# include <sys/socket.h>
# include <netinet/in.h>
# include <netinet/tcp.h>// TCP_NO_DELAY in bzfs.cxx
# include <arpa/inet.h> // inet_ntoa in AccessControlList.cxx
# include <netdb.h> // herror, hostent in <ares.h>
# include <sys/select.h> // select in Ping.cxx
// Posix defines the socket API to use socklen_t
using AddrLen = socklen_t;
# if defined(sun)
/* setsockopt prototypes the 4th arg as const char*. */
using SSOType = char const*;
/* connect prototypes the 2nd arg without const */
using CNCTType = sockaddr; // only appears used in bzadmin
# else
using SSOType = void const*;
using CNCTType = sockaddr const; // only appears used in bzadmin
# endif
// BeOS net_server has closesocket(), which _must_ be used in place of close()
# if defined(__BEOS__) && (IPPROTO_TCP != 6)
# define close(__x) closesocket(__x)
# endif
// This is extremely questionable. herror() is defined in netdb.h for Linux
// and in winsock2.h for Windows. Of course, it's deprecated (at least for Linux)
// so remapping it like this doesn't sound good. Better to refactor the code that feeds it
#define herror(x_) bzfherror(x_)
extern "C" {
void bzfherror(const char* msg);
}
#endif /* defined(_WIN32) */
// Can this happen?
#if !defined(INADDR_NONE)
# define INADDR_NONE ((in_addr_t)0xffffffff)
#endif
// for all platforms
extern "C" {
void nerror(const char* msg);
int getErrno();
}
#include <string>
class BzfNetwork
{
public:
static int setNonBlocking(int fd);
static int setBlocking(int fd);
static bool parseURL(const std::string& url,
std::string& protocol,
std::string& hostname,
int& port,
std::string& pathname);
};
#endif // BZF_NETWORK_H
// Local Variables: ***
// mode: C++ ***
// tab-width: 4 ***
// c-basic-offset: 4 ***
// indent-tabs-mode: nil ***
// End: ***
// ex: shiftwidth=4 tabstop=4
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