void Client::Print( const char *msg ) const {
ByteBuffer msgBuffer;
if ( msgBuffer.WriteString( msg ) == ByteBuffer::Error::Success ) {
Network::XSPacket msgPacket( Network::ID_XS_SV2CL_PRINT );
msgPacket.data = msgBuffer.GetMemory( &msgPacket.dataLen );
connection.Send( msgPacket );
}
}
//FIXME: selectively network to out-of-date clients (i.e. second client connecting later, not having the list
// of resources yet, but `modified` being false.
// `force` bool is a hack, perhaps drive the networking further up the chain according to client's GUIDs
void NetworkResources( bool force ) {
if ( modified || force ) {
// send resource list
ByteBuffer resourceBuffer;
ServerGame::SerialiseResources( &resourceBuffer );
Network::XSPacket resourcePacket( Network::ID_XS_SV2CL_RESOURCES );
resourcePacket.data = resourceBuffer.GetMemory( &resourcePacket.dataLen );
for ( auto &client : Server::clients ) {
if ( !client.second ) {
SDL_assert( !"Invalid client instance - did you instantiate and use before initialising?" );
continue;
}
client.second->connection.Send( &resourcePacket );
}
modified = false;
}
}
bool Connection::ChangeState( Connection::State newState, bool doNetwork ) {
if ( state == newState ) {
// nothing to do
return false;
}
const GraphContainer::const_iterator &it = connectionTransitionGraph.find( privateState );
const StateList &node = it->second;
if ( node.empty() || std::find( node.begin(), node.end(), newState ) == node.end() ) {
console.Print( PrintLevel::Developer,
"connection %" PRIX64 " state change failed: %s -> %s not allowed\n",
guid,
Connection::StateToString( state ),
Connection::StateToString( newState )
);
return false;
}
console.Print( PrintLevel::Developer,
"connection %" PRIX64 " state change (%s -> %s)\n",
guid,
Connection::StateToString( privateState ),
Connection::StateToString( newState )
);
if ( doNetwork ) {
ByteBuffer stateBuffer;
if ( stateBuffer.Write<State>( newState ) != ByteBuffer::Error::Success ) {
// ...
}
XSPacket statePacket( isServer ? ID_XS_SV2CL_CONNECTION_STATE : ID_XS_CL2SV_CONNECTION_STATE );
statePacket.data = stateBuffer.GetMemory( &statePacket.dataLen );
statePacket.Send( guid );
}
privateState = newState;
return true;
}