src/network/core/core.cpp
author KUDr
Fri, 12 Jan 2007 15:43:00 +0000
changeset 5620 eab6f02899a0
parent 5584 1111b4d36e35
child 5864 a95a2849b0e1
permissions -rw-r--r--
(svn r8079) -Fix [YAPF]: float division by zero when calculating stats (YAPF cache hit ratio). Caused BSOD on Win9x. (thanks 3iff for report, Darkvater for help)
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/* $Id$ */
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#ifdef ENABLE_NETWORK
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#include "../../stdafx.h"
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#include "../../debug.h"
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#include "os_abstraction.h"
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#ifdef __MORPHOS__
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/* the library base is required here */
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struct Library *SocketBase = NULL;
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#endif
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/**
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 * Initializes the network core (as that is needed for some platforms
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 */
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bool NetworkCoreInitialize(void)
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{
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#if defined(__MORPHOS__) || defined(__AMIGA__)
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	/*
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	 *  IMPORTANT NOTE: SocketBase needs to be initialized before we use _any_
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	 *  network related function, else: crash.
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	 */
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	DEBUG(net, 3, "[core] loading bsd socket library");
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	SocketBase = OpenLibrary("bsdsocket.library", 4);
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	if (SocketBase == NULL) {
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		DEBUG(net, 0, "[core] can't open bsdsocket.library version 4, network unavailable");
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		return false;
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	}
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#if defined(__AMIGA__)
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	/* for usleep() implementation (only required for legacy AmigaOS builds) */
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	TimerPort = CreateMsgPort();
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	if (TimerPort != NULL) {
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		TimerRequest = (struct timerequest*)CreateIORequest(TimerPort, sizeof(struct timerequest);
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		if (TimerRequest != NULL) {
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			if (OpenDevice("timer.device", UNIT_MICROHZ, (struct IORequest*)TimerRequest, 0) == 0) {
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				TimerBase = TimerRequest->tr_node.io_Device;
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				if (TimerBase == NULL) {
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					/* free ressources... */
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					DEBUG(net, 0, "[core] can't initialize timer, network unavailable");
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					return false;
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				}
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			}
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		}
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	}
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#endif // __AMIGA__
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#endif // __MORPHOS__ / __AMIGA__
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/* Let's load the network in windows */
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#ifdef WIN32
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	{
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		WSADATA wsa;
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		DEBUG(net, 3, "[core] loading windows socket library");
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		if (WSAStartup(MAKEWORD(2, 0), &wsa) != 0) {
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			DEBUG(net, 0, "[core] WSAStartup failed, network unavailable");
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			return false;
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		}
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	}
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#endif /* WIN32 */
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	return true;
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}
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/**
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 * Shuts down the network core (as that is needed for some platforms
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 */
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void NetworkCoreShutdown(void)
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{
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#if defined(__MORPHOS__) || defined(__AMIGA__)
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	/* free allocated resources */
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#if defined(__AMIGA__)
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	if (TimerBase    != NULL) CloseDevice((struct IORequest*)TimerRequest); // XXX This smells wrong
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	if (TimerRequest != NULL) DeleteIORequest(TimerRequest);
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	if (TimerPort    != NULL) DeleteMsgPort(TimerPort);
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#endif
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	if (SocketBase != NULL) CloseLibrary(SocketBase);
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#endif
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#if defined(WIN32)
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	WSACleanup();
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#endif
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}
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#endif /* ENABLE_NETWORK */