343 lines
11 KiB
C++
343 lines
11 KiB
C++
// ==============================================================
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// This file is part of Glest (www.glest.org)
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//
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// Copyright (C) 2001-2008 Marti<74>o Figueroa
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//
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// You can redistribute this code and/or modify it under
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// the terms of the GNU General Public License as published
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// by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version
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// ==============================================================
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#include "network_interface.h"
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#include <exception>
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#include <cassert>
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#include "types.h"
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#include "conversion.h"
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#include "platform_util.h"
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#include <fstream>
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#include "util.h"
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#include "leak_dumper.h"
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using namespace Shared::Platform;
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using namespace Shared::Util;
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using namespace std;
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namespace Glest{ namespace Game{
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// =====================================================
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// class NetworkInterface
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// =====================================================
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const int NetworkInterface::readyWaitTimeout= 180000; // 3 minutes
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bool NetworkInterface::allowGameDataSynchCheck = false;
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bool NetworkInterface::allowDownloadDataSynch = false;
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DisplayMessageFunction NetworkInterface::pCB_DisplayMessage = NULL;
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void NetworkInterface::sendMessage(const NetworkMessage* networkMessage){
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Socket* socket= getSocket();
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networkMessage->send(socket);
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}
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NetworkMessageType NetworkInterface::getNextMessageType(bool checkHasDataFirst)
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{
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Socket* socket= getSocket();
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int8 messageType= nmtInvalid;
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if(checkHasDataFirst == false ||
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(checkHasDataFirst == true &&
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socket != NULL &&
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socket->hasDataToRead() == true))
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{
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//peek message type
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int dataSize = socket->getDataToRead();
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if(dataSize >= sizeof(messageType)){
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if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] socket->getDataToRead() dataSize = %d\n",__FILE__,__FUNCTION__,__LINE__,dataSize);
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int iPeek = socket->peek(&messageType, sizeof(messageType));
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if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] socket->getDataToRead() iPeek = %d, messageType = %d [size = %d]\n",__FILE__,__FUNCTION__,__LINE__,iPeek,messageType,sizeof(messageType));
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}
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else {
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if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] PEEK WARNING, socket->getDataToRead() messageType = %d [size = %d], dataSize = %d, checkHasDataFirst = %d\n",__FILE__,__FUNCTION__,__LINE__,messageType,sizeof(messageType),dataSize,checkHasDataFirst);
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}
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//sanity check new message type
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if(messageType < 0 || messageType >= nmtCount) {
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if(getConnectHasHandshaked() == true) {
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throw runtime_error("Invalid message type: " + intToStr(messageType));
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}
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else {
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if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] Invalid message type = %d (no packet handshake yet so ignored)\n",__FILE__,__FUNCTION__,__LINE__,messageType);
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}
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}
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}
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return static_cast<NetworkMessageType>(messageType);
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}
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bool NetworkInterface::receiveMessage(NetworkMessage* networkMessage){
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if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s]\n",__FILE__,__FUNCTION__);
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Socket* socket= getSocket();
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return networkMessage->receive(socket);
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}
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bool NetworkInterface::isConnected(){
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bool result = (getSocket()!=NULL && getSocket()->isConnected());
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return result;
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}
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void NetworkInterface::DisplayErrorMessage(string sErr, bool closeSocket) {
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if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] sErr [%s]\n",__FILE__,__FUNCTION__,__LINE__,sErr.c_str());
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if(closeSocket == true && getSocket() != NULL)
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{
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close();
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}
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if(pCB_DisplayMessage != NULL) {
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pCB_DisplayMessage(sErr.c_str(), false);
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}
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else {
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throw runtime_error(sErr);
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}
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}
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void NetworkInterface::clearChatInfo() {
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if(chatTextList.size() > 0) {
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if(SystemFlags::getSystemSettingType(SystemFlags::debugNetwork).enabled) SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] chatTextList.size() = %d\n",__FILE__,__FUNCTION__,__LINE__,chatTextList.size());
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chatTextList.clear();
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}
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}
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std::string NetworkInterface::getIpAddress() {
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std::string result = "";
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if(getSocket() != NULL) {
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result = getSocket()->getIpAddress();
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}
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return result;
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}
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float NetworkInterface::getThreadedPingMS(std::string host) {
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float result = -1;
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if(getSocket() != NULL) {
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result = getSocket()->getThreadedPingMS(host);
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}
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return result;
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}
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// =====================================================
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// class GameNetworkInterface
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// =====================================================
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GameNetworkInterface::GameNetworkInterface(){
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quit= false;
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}
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void GameNetworkInterface::requestCommand(const NetworkCommand *networkCommand, bool insertAtStart) {
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assert(networkCommand != NULL);
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//Mutex *mutex = getServerSynchAccessor();
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if(insertAtStart == false) {
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//if(mutex != NULL) mutex->p();
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requestedCommands.push_back(*networkCommand);
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//if(mutex != NULL) mutex->v();
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}
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else {
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//if(mutex != NULL) mutex->p();
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requestedCommands.insert(requestedCommands.begin(),*networkCommand);
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//if(mutex != NULL) mutex->v();
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}
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}
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// =====================================================
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// class FileTransferSocketThread
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// =====================================================
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const int32 SEND_FILE = 0x20;
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const int32 ACK = 0x47;
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FileTransferSocketThread::FileTransferSocketThread(FileTransferInfo fileInfo)
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{
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this->info = fileInfo;
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this->info.serverPort += 100;
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}
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void FileTransferSocketThread::execute()
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{
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if(info.hostType == eServer)
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{
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ServerSocket serverSocket;
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//serverSocket.setBlock(false);
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serverSocket.bind(this->info.serverPort);
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serverSocket.listen(1);
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Socket *clientSocket = serverSocket.accept();
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char data[513]="";
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memset(data, 0, 256);
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clientSocket->receive(data,256, true);
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if(*data == SEND_FILE)
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{
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FileInfo file;
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memcpy(&file, data+1, sizeof(file));
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*data=ACK;
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clientSocket->send(data,256);
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Checksum checksum;
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checksum.addFile(file.fileName);
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file.filecrc = checksum.getSum();
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ifstream infile(file.fileName.c_str(), ios::in | ios::binary | ios::ate);
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if(infile.is_open() == true)
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{
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file.filesize = infile.tellg();
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infile.seekg (0, ios::beg);
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memset(data, 0, 256);
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*data=SEND_FILE;
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memcpy(data+1,&file,sizeof(file));
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clientSocket->send(data,256);
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clientSocket->receive(data,256, true);
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if(*data != ACK) {
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//transfer error
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}
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int remain=file.filesize % 512 ;
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int packs=(file.filesize-remain)/512;
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while(packs--)
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{
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infile.read(data,512);
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//if(!ReadFile(file,data,512,&read,NULL))
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// ; //read error
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//if(written!=pack)
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// ; //read error
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clientSocket->send(data,512);
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clientSocket->receive(data,256, true);
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if(*data!=ACK) {
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//transfer error
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}
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}
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infile.read(data,remain);
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//if(!ReadFile(file,data,remain,&read,NULL))
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// ; //read error
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//if(written!=pack)
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// ; //read error
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clientSocket->send(data,remain);
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clientSocket->receive(data,256, true);
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if(*data!=ACK) {
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//transfer error
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}
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infile.close();
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}
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}
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delete clientSocket;
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}
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else
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{
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Ip ip(this->info.serverIP);
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ClientSocket clientSocket;
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//clientSocket.setBlock(false);
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clientSocket.connect(this->info.serverIP, this->info.serverPort);
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if(clientSocket.isConnected() == true)
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{
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FileInfo file;
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file.fileName = this->info.fileName;
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//file.filesize =
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//file.filecrc = this->info.
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string path = extractDirectoryPathFromFile(file.fileName);
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createDirectoryPaths(path);
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ofstream outFile(file.fileName.c_str(), ios_base::binary | ios_base::out);
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if(outFile.is_open() == true)
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{
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char data[513]="";
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memset(data, 0, 256);
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*data=SEND_FILE;
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memcpy(data+1,&file,sizeof(file));
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clientSocket.send(data,256);
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clientSocket.receive(data,256, true);
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if(*data!=ACK) {
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//transfer error
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}
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clientSocket.receive(data,256,true);
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if(*data == SEND_FILE)
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{
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memcpy(&file, data+1, sizeof(file));
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*data=ACK;
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clientSocket.send(data,256);
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int remain = file.filesize % 512 ;
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int packs = (file.filesize-remain) / 512;
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while(packs--)
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{
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clientSocket.receive(data,512,true);
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outFile.write(data, 512);
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if(outFile.bad())
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{
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int ii = 0;
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}
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//if(!WriteFile(file,data,512,&written,NULL))
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// ; //write error
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//if(written != pack)
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// ; //write error
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*data=ACK;
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clientSocket.send(data,256);
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}
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clientSocket.receive(data,remain,true);
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outFile.write(data, remain);
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if(outFile.bad())
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{
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int ii = 0;
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}
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//if(!WriteFile(file,data,remain,&written,NULL))
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// ; //write error
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//if(written!=pack)
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// ; //write error
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*data=ACK;
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clientSocket.send(data,256);
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Checksum checksum;
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checksum.addFile(file.fileName);
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int32 crc = checksum.getSum();
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if(file.filecrc != crc)
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{
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int ii = 0;
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}
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//if(calc_crc(file)!=info.crc)
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// ; //transfeer error
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}
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outFile.close();
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}
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}
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}
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}
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}}//end namespace
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