Skip to content

Instantly share code, notes, and snippets.

@hintjens
Last active February 19, 2022 04:51
Show Gist options
  • Save hintjens/5480625 to your computer and use it in GitHub Desktop.
Save hintjens/5480625 to your computer and use it in GitHub Desktop.
Hello World HTTP server using ZeroMQ * Build and install libzmq and CZMQ * Full article on http://hintjens.com/blog:42
// Minimal HTTP server in 0MQ
#include "czmq.h"
int main (void)
{
zctx_t *ctx = zctx_new ();
void *router = zsocket_new (ctx, ZMQ_ROUTER);
zsocket_set_router_raw (router, 1);
int rc = zsocket_bind (router, "tcp://*:8080");
assert (rc != -1);
while (true) {
// Get HTTP request
zframe_t *handle = zframe_recv (router);
if (!handle)
break; // Ctrl-C interrupt
char *request = zstr_recv (router);
puts (request); // Professional Logging(TM)
free (request); // We throw this away
// Send Hello World response
zframe_send (&handle, router, ZFRAME_MORE + ZFRAME_REUSE);
zstr_send (router, "HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\n\r\nHello, World!");
// Close connection to browser
zframe_send (&handle, router, ZFRAME_MORE);
zmq_send (router, NULL, 0, 0);
}
zctx_destroy (&ctx);
return 0;
}
@githwxi
Copy link

githwxi commented Nov 28, 2014

By the way, your code may have forgotten to close the router socket at the end.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment