mongoose/examples/multi_threaded.c

#include "mongoose.h"

// Start a browser and hit refresh couple of times. The replies will
// come from both server instances.
static int request_handler(struct mg_connection *conn) {
  mg_send_header(conn, "Content-Type", "text/plain");
  mg_printf_data(conn, "This is a reply from server instance # %s",
                 (char *) conn->server_param);
  return MG_REQUEST_PROCESSED;
}

static void *serve(void *server) {
  for (;;) mg_poll_server((struct mg_server *) server, 1000);
  return NULL;
}

int main(void) {
  struct mg_server *server1, *server2;

  server1 = mg_create_server((void *) "1");
  server2 = mg_create_server((void *) "2");

  mg_set_request_handler(server1, request_handler);
  mg_set_request_handler(server2, request_handler);

  // Make both server1 and server2 listen on the same socket
  mg_set_option(server1, "listening_port", "8080");
  mg_set_listening_socket(server2, mg_get_listening_socket(server1));

  // server1 goes to separate thread, server 2 runs in main thread.
  // IMPORTANT: NEVER LET DIFFERENT THREADS HANDLE THE SAME SERVER.
  mg_start_thread(serve, server1);
  mg_start_thread(serve, server2);
  getchar();

  return 0;
}