CSY/reowolf Files · examples/interop_3_connector/main.c · Centrum Wiskunde & Informatica (CWI)

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Preparatory work for union literals

Contains horrible parsing hacks that transmute function calls and
enum literals to union literals if appropriate. Pending the
implementation of the tokenizer the AST can be constructed more
neatly.

/* This example demonstrates:
- connector API can create UDP mediator components, each given a BIND and CONNECT socket address,
  which communicates via a returned putter and getter port pair.
- messages passed to the UDP mediator are forwarded as UDP datagrams into the network.
*/
#include <stdio.h>
#include <string.h>
#include "../../reowolf.h"

int main(int argc, char** argv) {
  // --- setup ---
  Arc_ProtocolDescription * pd = protocol_description_parse("", 0);
  Connector * c = connector_new(pd);
  PortId putter_a, putter_b;
  FfiSocketAddr addresses[4] = {
    {{127, 0, 0, 1}, 8000},
    {{127, 0, 0, 1}, 8001},
    {{127, 0, 0, 1}, 8002},
    {{127, 0, 0, 1}, 8003},
  };
  
  // putter_a to UDP mediator (getter id discarded)
  // with local addresses[0] and peer addresses[1] 
  connector_add_udp_mediator_component(c, &putter_a, NULL, addresses[1], addresses[0]);
  connector_add_udp_mediator_component(c, &putter_b, NULL, addresses[3], addresses[2]);
  connector_connect(c, -1);
  
  // --- communication --- 
  connector_put_bytes(c, putter_a, "hello, socket!", 14);
  connector_put_bytes(c, putter_b, "hello, pseudo-socket!", 21);
  connector_sync(c, -1);
  
  // --- cleanup ---
  protocol_description_destroy(pd);
  connector_destroy(c);
  return 0;
}