bool MasterClient::OnReceive(RakPeerInterface *peer, Packet *packet)
{
switch(packet->data[0])
{
case ID_NO_FREE_INCOMING_CONNECTIONS:
OnMasterServerFull();
return false; // Do not absorb packet
case ID_DISCONNECTION_NOTIFICATION:
OnLostConnection();
return false; // Do not absorb packet
case ID_CONNECTION_LOST:
OnLostConnection();
return false; // Do not absorb packet
case ID_MODIFIED_PACKET:
OnModifiedPacket();
return false;
case ID_CONNECTION_ATTEMPT_FAILED:
OnConnectionAttemptFailed();
return false; // Do not absorb packet
case ID_MASTER_SERVER_UPDATE_SERVER:
HandleServerListResponse(packet, false);
return true; // Absorb packet
case ID_MASTER_SERVER_SET_SERVER:
HandleServerListResponse(packet, true);
return true; // Absorb packet
case ID_PONG:
HandlePong(packet);
return false; // Absorb packet
case ID_RELAYED_CONNECTION_NOTIFICATION:
HandleRelayedConnectionNotification(packet);
return true; // Absorb packet
}
return 0;
}
bool
cOpenHpiDaemon::HandleData( cConnection *c )
{
cMessageHeader header;
void *data = 0;
int rv = ConnectionReadMsg( c->Fd(), &header, &data, 0 );
if ( rv )
{
if ( data )
free( data );
fprintf( stderr, "cannot read message !\n" );
return false;
}
if ( header.m_type == eMhPong )
{
HandlePong( c, header );
return true;
}
cMessageHeader rh;
void *rd = 0;
tResult r = HandleMsg( c, header, data, rh, rd );
if ( data )
free( data );
// marshal error ?
if ( rh.m_len < 0 )
rv = 1;
if ( r == eResultReply )
rv = ConnectionWriteMsg( c->Fd(), &rh, rd );
else if ( r == eResultError )
rv = 1;
if ( rd )
free( rd );
return !rv;
}
bool MasterServer::OnReceive(RakPeerInterface *peer, Packet *packet)
{
RakNetStatisticsStruct *rss;
RakNetTime connectionTime;
RakNetTime time;
unsigned serverIndex;
time = RakNet::GetTime();
// Quick and dirty flood attack security:
// If a client has been connected for more than 5 seconds,
// and has sent more than 1000 bytes per second on average then ban them
rss=rakPeer->GetStatistics(packet->playerId);
if (rss)
{
connectionTime=time-rss->connectionStartTime;
if (connectionTime > FLOOD_ATTACK_CHECK_DELAY &&
(float)(rss->bitsReceived/8) / (float) connectionTime > FLOOD_ATTACK_BYTES_PER_MS)
{
rakPeer->CloseConnection(packet->playerId, true,0);
#ifdef _SHOW_MASTER_SERVER_PRINTF
printf("%s banned for session due to for flood attack\n", (char*)rakPeer->PlayerIDToDottedIP(packet->playerId));
#endif
rakPeer->AddToBanList(rakPeer->PlayerIDToDottedIP(packet->playerId));
// Find all servers with this IP and kill them.
serverIndex=0;
while (serverIndex < gameServerList.serverList.Size())
{
if (gameServerList.serverList[serverIndex]->connectionIdentifier.binaryAddress==packet->playerId.binaryAddress)
{
delete gameServerList.serverList[serverIndex];
gameServerList.serverList.RemoveAtIndex(serverIndex);
}
else
serverIndex++;
}
}
}
switch(packet->data[0])
{
case ID_QUERY_MASTER_SERVER:
HandleQuery(packet);
return true;
case ID_MASTER_SERVER_DELIST_SERVER:
HandleDelistServer(packet);
return true;
case ID_MASTER_SERVER_SET_SERVER:
HandleUpdateServer(packet);
return true;
case ID_PONG:
HandlePong(packet);
return false;
case ID_RELAYED_CONNECTION_NOTIFICATION:
HandleRelayedConnectionNotification(packet);
return true;
}
return false; // Absorb packet
}
