C++ (Cpp) Chat::delUser Examples

Example #1

File: server.cpp Project: erikperillo/mc833

User registerUser(NetReceiver& receiver)
{
	User user;
	vector<string> tokens;
	string user_name;
	NetMessage msg;
	NetAddr src;
	bool ret;
	char header;

	msg = receiver.recv();
	if(msg.getErrCode() < 0)
		error("recv");	

	header = netToHostHeader(msg.getContent());
	if(header != REGISTER)
		return User(hostToNetHeader(INVALID_REQUEST_ERR), NetAddr());
	
	user_name = netToHostRegister(msg.getContent());
	if(user_name.empty())
		return User(hostToNetHeader(INVALID_REQUEST_ERR), NetAddr());

	//trying to add user to chat
	chat_mtx.lock();
	ret = chat.addUser(User(user_name, src), receiver.getSocket());
	user = chat.getUser(user_name);
	chat_mtx.unlock();

	if(!ret)
	{
		//user is being used by another host
		if(user.getAddr().getIp() != src.getIp())
			return User(hostToNetHeader(USER_EXISTS_ERR), NetAddr());
		//user is getting online again
		chat_mtx.lock();
		chat.delUser(user_name);
		user = User(user_name, src);
		chat.addUser(user, receiver.getSocket());
		chat.delUserFromGroup(user_name, OFFLINE_GROUP);
		chat.addUserToGroup(user_name, ONLINE_GROUP);
		chat_mtx.unlock();
		return user;
	}
	else
	{
		chat_mtx.lock();
		chat.addUserToGroup(user_name, ONLINE_GROUP);
		chat_mtx.unlock();
	}

	return user;
}