Files
openttd/src/network/core/core.cpp

171 lines
4.6 KiB
C++

/* $Id$ */
/**
* @file core.cpp Functions used to initialize/shut down the core network
*/
#ifdef ENABLE_NETWORK
#include "../../stdafx.h"
#include "../../debug.h"
#include "../../company_base.h"
#include "../../strings_func.h"
#include "../../string_func.h"
#include "../../date_func.h"
#include "os_abstraction.h"
#include "core.h"
#include "packet.h"
#include "../network_func.h"
#include "table/strings.h"
#ifdef __MORPHOS__
/* the library base is required here */
struct Library *SocketBase = NULL;
#endif
/**
* Initializes the network core (as that is needed for some platforms
* @return true if the core has been initialized, false otherwise
*/
bool NetworkCoreInitialize()
{
#if defined(__MORPHOS__) || defined(__AMIGA__)
/*
* IMPORTANT NOTE: SocketBase needs to be initialized before we use _any_
* network related function, else: crash.
*/
DEBUG(net, 3, "[core] loading bsd socket library");
SocketBase = OpenLibrary("bsdsocket.library", 4);
if (SocketBase == NULL) {
DEBUG(net, 0, "[core] can't open bsdsocket.library version 4, network unavailable");
return false;
}
#if defined(__AMIGA__)
/* for usleep() implementation (only required for legacy AmigaOS builds) */
TimerPort = CreateMsgPort();
if (TimerPort != NULL) {
TimerRequest = (struct timerequest*)CreateIORequest(TimerPort, sizeof(struct timerequest);
if (TimerRequest != NULL) {
if (OpenDevice("timer.device", UNIT_MICROHZ, (struct IORequest*)TimerRequest, 0) == 0) {
TimerBase = TimerRequest->tr_node.io_Device;
if (TimerBase == NULL) {
/* free ressources... */
DEBUG(net, 0, "[core] can't initialize timer, network unavailable");
return false;
}
}
}
}
#endif // __AMIGA__
#endif // __MORPHOS__ / __AMIGA__
/* Let's load the network in windows */
#ifdef WIN32
{
WSADATA wsa;
DEBUG(net, 3, "[core] loading windows socket library");
if (WSAStartup(MAKEWORD(2, 0), &wsa) != 0) {
DEBUG(net, 0, "[core] WSAStartup failed, network unavailable");
return false;
}
}
#endif /* WIN32 */
return true;
}
/**
* Shuts down the network core (as that is needed for some platforms
*/
void NetworkCoreShutdown()
{
#if defined(__MORPHOS__) || defined(__AMIGA__)
/* free allocated resources */
#if defined(__AMIGA__)
if (TimerBase != NULL) CloseDevice((struct IORequest*)TimerRequest); // XXX This smells wrong
if (TimerRequest != NULL) DeleteIORequest(TimerRequest);
if (TimerPort != NULL) DeleteMsgPort(TimerPort);
#endif
if (SocketBase != NULL) CloseLibrary(SocketBase);
#endif
#if defined(WIN32)
WSACleanup();
#endif
}
/**
* Serializes the GRFIdentifier (GRF ID and MD5 checksum) to the packet
* @param p the packet to write the data to
* @param grf the GRFIdentifier to serialize
*/
void NetworkSocketHandler::Send_GRFIdentifier(Packet *p, const GRFIdentifier *grf)
{
uint j;
p->Send_uint32(grf->grfid);
for (j = 0; j < sizeof(grf->md5sum); j++) {
p->Send_uint8 (grf->md5sum[j]);
}
}
/**
* Deserializes the GRFIdentifier (GRF ID and MD5 checksum) from the packet
* @param p the packet to read the data from
* @param grf the GRFIdentifier to deserialize
*/
void NetworkSocketHandler::Recv_GRFIdentifier(Packet *p, GRFIdentifier *grf)
{
uint j;
grf->grfid = p->Recv_uint32();
for (j = 0; j < sizeof(grf->md5sum); j++) {
grf->md5sum[j] = p->Recv_uint8();
}
}
void NetworkSocketHandler::Send_CompanyInformation(Packet *p, const Company *c, const NetworkCompanyStats *stats)
{
/* Grab the company name */
char company_name[NETWORK_COMPANY_NAME_LENGTH];
SetDParam(0, c->index);
GetString(company_name, STR_COMPANY_NAME, lastof(company_name));
/* Get the income */
Money income = 0;
if (_cur_year - 1 == c->inaugurated_year) {
/* The company is here just 1 year, so display [2], else display[1] */
for (uint i = 0; i < lengthof(c->yearly_expenses[2]); i++) {
income -= c->yearly_expenses[2][i];
}
} else {
for (uint i = 0; i < lengthof(c->yearly_expenses[1]); i++) {
income -= c->yearly_expenses[1][i];
}
}
/* Send the information */
p->Send_uint8 (c->index);
p->Send_string(company_name);
p->Send_uint32(c->inaugurated_year);
p->Send_uint64(c->old_economy[0].company_value);
p->Send_uint64(c->money);
p->Send_uint64(income);
p->Send_uint16(c->old_economy[0].performance_history);
/* Send 1 if there is a passord for the company else send 0 */
p->Send_bool (!StrEmpty(_network_company_states[c->index].password));
for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++) {
p->Send_uint16(stats->num_vehicle[i]);
}
for (int i = 0; i < NETWORK_STATION_TYPES; i++) {
p->Send_uint16(stats->num_station[i]);
}
}
#endif /* ENABLE_NETWORK */