int SendIM::putBody(unsigned char *buf)
{
int pos=0;
// bit 0-3 sender
pos += EvaUtil::write32(buf+pos, getQQ());
// bit 4-7 receiver
pos += EvaUtil::write32(buf+pos, receiver);
// bit 8-9 qq client version
pos += EvaUtil::write16(buf+pos, version);
// bit 10-13 sender again
pos += EvaUtil::write32(buf+pos, getQQ());
// bit 14-17 receiver
pos += EvaUtil::write32(buf+pos, receiver);
// bit 18-33 file transfer session key
memcpy( buf+pos, getFileSessionKey(), QQ_KEY_LENGTH);
pos+=QQ_KEY_LENGTH;
// bit 34-35 contents type ( is it normal text message or file transfer...)
pos += EvaUtil::write16(buf+pos, contentType);
// sequence number
// short tmpSeq = htons(sequence);
// memcpy(buf+pos, &tmpSeq,2);
// pos+=2;
if(m_MsgSequence)
pos += EvaUtil::write16(buf+pos, m_MsgSequence);
else
pos+= EvaUtil::write16(buf+pos, sequence);
// sending time
pos += EvaUtil::write32(buf+pos, m_SendTime);
pos += EvaUtil::write16(buf+pos, face);
memset(buf+pos, 0, 3);
pos+=3;
// font information, set as 1
buf[pos++] = 0x01;
if(contentType == QQ_IM_NORMAL_TEXT){
// note that, for QQ_IM_NORMAL_TEXT the contents should
// be 4 bytes(multi-fragment information) more than others
pos+= putContents(buf+pos); // put all contents in
} else {
// unknown 4 bytes
memset(buf + pos, 0, 4);
pos+=4;
pos+= putContents(buf+pos); // put all contents in
}
return pos;
}
int KeepAlivePacket::putBody(unsigned char *buf)
{
char tmp[20];
sprintf(tmp, "%d", getQQ());
memcpy(buf, tmp, strlen(tmp));
return 4;
}
int OutPacket::putHead(unsigned char *buf)
{
int pos=0;
if(!isUDP()){
buf[0]=buf[1]=0;
pos+=2;
}
buf[pos++]=(unsigned char)QQ_PACKET_TAG;
short tmp = htons(version);
memcpy(buf+pos, &tmp, 2);
pos+=2;
tmp = htons(command);
memcpy(buf+pos, &tmp, 2);
pos+=2;
tmp = htons(sequence);
memcpy(buf+pos, &tmp, 2);
pos+=2;
int id = htonl(getQQ());
memcpy(buf+pos, &id, 4);
pos+=4;
return pos;
}
