CODEWITHSUNDEEP
c++multithreadingsocketsmutex
Filipe Amador
Filipe Amador

Reputation: 1

Multiple writes on same socket c++

I'm currently trying to develop a server and some clients which communicate with each other using something like a proxy in the middle. The "proxy" will have sockets opened to every client and server on the system. This means that I'm currently using threads to keep all the connections opened. Every time a client decides to send a message it uses its socket with the proxy and sends the message. Then the proxy will propagate the message to every other node using the respective socket.

As you can see, a node can be receiving messages by having the proxy writing on the socket or a node may want to send messages by writing on the socket. How do I guarantee that the content in the socket does not get overwritten ? Do I have to use mutexes to lock the access to the socket ? What is a good practice to solve this problem ?

Upvotes: 0

Views: 262

Answers (1)

MSalters
MSalters

Reputation: 179877

Connections are bi-directional. Content going one way does not overwrite content going the other way. No mutex is needed for this.

Besides, you couldn't use a mutex anyway, as both sides of the connection are separate.

Upvotes: 1

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