/*
 * SIPB service monitor: www module
 *
 * Nickolai Zeldovich <kolya@MIT.EDU>
 * February 2002
 */

#include <async.h>
#include <rxx.h>
#include "sipbmon.h"

static rxx www_resp ("^HTTP/1.. 200 .*", "s");

static bool
check_www_recv (struct sm_service *svc, str buf, bool eof)
{
  if (www_resp.match (buf)) {
    service_up (svc);
    return false;
  }

  if (eof || buf.len() > 1024) {
    service_down (svc, "unexpected server response");
    return false;
  }

  return true;
}

static void
check_www_sent (struct sm_service *svc)
{
  svc_read (svc, wrap (&check_www_recv, svc));
}

void
check_www (str url, struct sm_service *svc)
{
  svc_write (svc, "GET " << url << " HTTP/1.0\r\n\r\n",
	     wrap (&check_www_sent, svc));
}