int icq_httpGatewayWrapSend(HANDLE hConn, PBYTE buf, int len, int flags, MIRANDASERVICE pfnNetlibSend)
{
PBYTE sendBuf = buf;
int sendLen = len;
int sendResult = 0;
while (sendLen > 0)
{ // imitate polite behaviour of icq5.1 and split large packets
icq_packet packet;
WORD curLen;
int curResult;
if (sendLen > 512) curLen = 512; else curLen = (WORD)sendLen;
// send wrapped data
packet.wLen = curLen;
write_httphdr(&packet, HTTP_PACKETTYPE_FLAP, GetGatewayIndex(hConn));
packBuffer(&packet, sendBuf, (WORD)curLen);
NETLIBBUFFER nlb={ (char*)packet.pData, packet.wLen, flags };
curResult = pfnNetlibSend((WPARAM)hConn, (LPARAM)&nlb);
SAFE_FREE((void**)&packet.pData);
// sending failed, end loop
if (curResult <= 0)
return curResult;
// calculare real number of data bytes sent
if (curResult > 14) sendResult += curResult - 14;
// move on
sendLen -= curLen;
sendBuf += curLen;
}
return sendResult;
}
int icq_httpGatewayWalkTo(HANDLE hConn, NETLIBOPENCONNECTION* nloc)
{ // this is bad simplification - for avatars to work we need to handle
// two "virtual connections" at the same time
icq_packet packet;
DWORD dwGatewaySeq = GetGatewayIndex(hConn);
packet.wLen = 0;
write_httphdr(&packet, HTTP_PACKETTYPE_CLOSE, dwGatewaySeq);
Netlib_Send(hConn, (char*)packet.pData, packet.wLen, MSG_DUMPPROXY|MSG_NOHTTPGATEWAYWRAP);
// we closed virtual connection, open new one
dwGatewaySeq++;
SetGatewayIndex(hConn, dwGatewaySeq);
return icq_httpGatewayBegin(hConn, nloc);
}
int icq_httpGatewayWrapSend( HANDLE hConn, PBYTE buf, int len, int flags, MIRANDASERVICE pfnNetlibSend )
{
icq_packet packet;
int sendResult;
packet.wLen = len;
write_httphdr( &packet, HTTP_PACKETTYPE_FLAP );
packString( &packet, buf, ( WORD )len );
sendResult = Netlib_Send( hConn, packet.pData, packet.wLen, flags );
mir_free( packet.pData );
if( sendResult <= 0 )
return sendResult;
if( sendResult < 14 )
return 0;
return sendResult - 14;
}
int icq_httpGatewayBegin(HANDLE hConn, NETLIBOPENCONNECTION* nloc)
{ // open our "virual data connection"
icq_packet packet;
size_t serverNameLen;
serverNameLen = strlennull(nloc->szHost);
packet.wLen = (WORD)(serverNameLen + 4);
write_httphdr(&packet, HTTP_PACKETTYPE_LOGIN, GetGatewayIndex(hConn));
packWord(&packet, (WORD)serverNameLen);
packBuffer(&packet, (LPBYTE)nloc->szHost, (WORD)serverNameLen);
packWord(&packet, nloc->wPort);
INT_PTR res = Netlib_Send(hConn, (char*)packet.pData, packet.wLen, MSG_DUMPPROXY|MSG_NOHTTPGATEWAYWRAP);
SAFE_FREE((void**)&packet.pData);
return res != SOCKET_ERROR;
}
