mirror of https://github.com/OpenTTD/OpenTTD.git
124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
/* $Id$ */
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/**
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* @file core.cpp Functions used to initialize/shut down the core network
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*/
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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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#include "core.h"
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#include "packet.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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* @return true if the core has been initialized, false otherwise
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*/
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bool NetworkCoreInitialize()
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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()
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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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/**
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* Serializes the GRFIdentifier (GRF ID and MD5 checksum) to the packet
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* @param p the packet to write the data to
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* @param grf the GRFIdentifier to serialize
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*/
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void NetworkSocketHandler::Send_GRFIdentifier(Packet *p, const GRFIdentifier *grf)
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{
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uint j;
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p->Send_uint32(grf->grfid);
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for (j = 0; j < sizeof(grf->md5sum); j++) {
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p->Send_uint8 (grf->md5sum[j]);
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}
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}
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/**
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* Deserializes the GRFIdentifier (GRF ID and MD5 checksum) from the packet
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* @param p the packet to read the data from
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* @param grf the GRFIdentifier to deserialize
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*/
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void NetworkSocketHandler::Recv_GRFIdentifier(Packet *p, GRFIdentifier *grf)
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{
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uint j;
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grf->grfid = p->Recv_uint32();
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for (j = 0; j < sizeof(grf->md5sum); j++) {
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grf->md5sum[j] = p->Recv_uint8();
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}
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}
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#endif /* ENABLE_NETWORK */
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