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/*
* xfirelib - C++ Library for the xfire protocol.
* Copyright (C) 2006 by
* Beat Wolf <asraniel@fryx.ch> / http://gfire.sf.net
* Herbert Poul <herbert.poul@gmail.com> / http://goim.us
* http://xfirelib.sphene.net
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "stdafx.h"
#include <iostream>
#include <stdlib.h>
#include <string.h>
#include "xfirepacket.h"
#include "xdebug.h"
#include "socketexception.h"
namespace xfirelib {
using namespace std;
XFirePacket::XFirePacket(PacketReader *reader) {
this->reader = reader;
this->content = NULL;
}
XFirePacket::XFirePacket(XFirePacketContent *content) {
this->content = content;
this->reader = NULL;
}
XFirePacket::~XFirePacket() {
}
void XFirePacket::recvPacket(Socket *socket) {
char buf[5];
//char temp[255];
int nlen=0;
//FILE* f2;
if(socket==NULL) return;
int r = socket->recv( buf, 5 );
int missingbytes=5-r;
if(missingbytes != 0) {
XERROR3("Returned only %d bytes try last %d bytes again ?!: \n",r,missingbytes);
r+= socket->recv( &buf[r], missingbytes );
}
if(r != 5) {
XERROR2("Returned less than 5 ?!: %d\n",r);
throw SocketException("Connection Closed ?");
}
XDEBUG2("Read %d bytes ...\n", r );
unsigned int len = ((unsigned char)buf[0]) + (((unsigned char)buf[1]) * 256);
int packetid = buf[2];
int numberOfAtts = (unsigned char)buf[4];
char* contentbuf=new char[len-5];
XDEBUG2("calling socket->recv(contentbuf,%d)\n",len-5);
int r2 = socket->recv( contentbuf, len-5 );
char* ncontentbuf=contentbuf+r2;
int nsize=len-5-r2;
int dummyi=0;
//packet solang auslesen, bis fertig - dufte
while(nsize>0)
{
dummyi++;
XDEBUG2("nsize: %d\n", nsize);
r2=socket->recv( ncontentbuf, nsize );
ncontentbuf=ncontentbuf+r2;
nsize-=r2;
XDEBUG5("packetid: %d numberOfAtts: %d length: %d Got: %d\n", (unsigned char)packetid,numberOfAtts,len-5,len-5-nsize);
}
XDEBUG5("packetid: %d numberOfAtts: %d length: %d Got: %d\n", (unsigned char)packetid,numberOfAtts,len-5,r2);
if(r2 < 1) return;
/*if((unsigned char)packetid==131)
{
sprintf(temp,"packet%d_%d.dmp",(unsigned char)packetid,rand());
f2=fopen(temp,"wb");
fwrite(contentbuf,1,len-5,f2);
fclose(f2);
}*/
XFirePacketContent *contentClass = reader->getPacketContentClass( (unsigned char)packetid );
//sprintf(temp,"packet%d.dmp",(unsigned char)packetid);
if(contentClass == NULL) {
/*sprintf(temp,"packet%d.dmp",(unsigned char)packetid);
f2=fopen(temp,"wb");
fwrite(contentbuf,1,len-5,f2);
fclose(f2);*/
XERROR2("NO SUCH CONTENT PACKET (%d) :(\n", (unsigned char)packetid);
return;
}
XDEBUG(("Creating ContentClass Instance\n"));
content = contentClass->newPacket();
XDEBUG(("Parse Content\n"));
//statt r2 wird jetzt die komplette länge des packets genommen, also len-5 dufte
content->parseContent(contentbuf, len-5, numberOfAtts);
}
void XFirePacket::sendPacket(Socket *socket) {
int size = content->getPacketSize();
char *buf = (char*)malloc(size * sizeof(char));
XDEBUG3("Allocated %d characters (%d)\n", size, sizeof(char));
int rsize = content->getPacketContent( buf );
XDEBUG2("Real Size: %d\n", rsize);
int realsize = rsize + 5;
char *sendbuf = (char*)malloc(realsize * sizeof(char));
sendbuf[0] = realsize % 256;
sendbuf[1] = (int)realsize / 256;
sendbuf[2] = content->getPacketId();
XDEBUG2("Send Content Id: %d\n", content->getPacketId());
sendbuf[3] = 0;
sendbuf[4] = content->getPacketAttributeCount();
memcpy( sendbuf + 5, buf, rsize );
socket->send( sendbuf, realsize );
free(buf); free(sendbuf);
}
};
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