如何将套接字文件描述符放在缓冲区中并继续接受传入的连接？

Question

I am trying to design a multithreaded web server in C using Pthreads and i am having a problem in accepting more incoming connections without serving them.

I want to put the file descriptor of each recieved connection in a buffer to be pocessed by a thread, Im using default accept(2) for accepting clients connections.

should i be using select ? any suggestion ?

Answer 1

I read this article these days (i didn't try, but looks good): http://www.linuxjournal.com/content/network-programming-enet or libevent too.

If you want code by your own hands, look at (performance ideas): http://www.kegel.com/c10k.html

Answer 2

A common way of doing multi-threaded servers is to create a new thread right after you accept a new connection, and pass the new socket to that thread. Something like this:

int main(int argc, char *argv[])
{
    /* ... */
    int client_socket = accept(server_socket);

    pthread_create(&thread, NULL, my_connection_handler, (void *) client_socket);
    /* ... */
}

void *my_connection_handler(void *argp)
{
    int socket = (int) argp;

    write(socket, "Hello!\r\n", 8);

    close(socket);

    return NULL;
}