Terry Lazoki wrote, On 12/29/2013 03:43 AM:
I'm having hard time understanding the boost asio design and how i can use it to tackle my problem.
My problem: Designing a tcp/udp server that is time efficient.
1. User sends packet through tcp 2. Server receives packet and processes it to build a large tree (n > 20000) 3. Server then parses the new tree and sends a summary packet through udp to another client
Conditions/Limitations: - Has to be time efficient, receiving, processing and sending has to be done as fast as possible. - Processing the packet is heavy and can cause delays if its done in the same thread - Parsing the tree is also a little heavy when sending it through udp, can cause delays too
Design 1 (2 threads): Thread 1: ASIO TCP and UDP. TCP receives packets and adds it to a circular buffer. While at the same time, processes the shared tree and sends packet through udp. Thread 2: Server grabs packet from circular buffer and processes it
Some problems here: - I dont understand the async part here. What happens when tcp receives a packet, if the current thread is continuously parsing the tree and sending packets through udp. Do i need to separate the udp part to another thread? - I have 3 parts of the program that i need to run concurrently, well its really 2 parts and receiving packets through tcp.
Any help is appreciated.
Thanks,
I would use a modular approach using an acceptor, a shared job queue, and multiple worker threads (at least 2 workers; depends on the job characteristics, duration etc.). Of course a synchronisation/locking is needed for shared resource access/usage, see for example https://en.wikipedia.org/wiki/Producer–consumer_problem -- U.Mutlu DACOS Notdienstanlagen GmbH, Germany, www.dacos.de