kc3-lang/libevent/test/regress_dns.c

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• Hash : cf47f86b
  Author :
  Date : 2006-10-09T00:48:42
  

  put the evdns documentation into the header file.  pathetic start of evdns manpage.  a little bit
  more testing and debug output for the DNS regression test.   add a BSD copyright to evdns.h with
  appropriate explanations.
  
  
  svn:r239
  

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• test/regress_dns.c

• /*
   * Copyright (c) 2003-2006 Niels Provos <provos@citi.umich.edu>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifdef WIN32
  #include <winsock2.h>
  #include <windows.h>
  #endif
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #endif
  
  #include <sys/types.h>
  #include <sys/stat.h>
  #ifdef HAVE_SYS_TIME_H
  #include <sys/time.h>
  #endif
  #include <sys/queue.h>
  #ifndef WIN32
  #include <sys/socket.h>
  #include <sys/signal.h>
  #include <netinet/in.h>
  #include <arpa/inet.h>
  #include <unistd.h>
  #endif
  #include <netdb.h>
  #include <fcntl.h>
  #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include <errno.h>
  
  #include "event.h"
  #include "evdns.h"
  #include "log.h"
  
  static int dns_ok = 0;
  
  void
  dns_gethostbyname_cb(int result, char type, int count, int ttl,
      void *addresses, void *arg)
  {
  	dns_ok = 0;
  
  	if (result != DNS_ERR_NONE)
  		goto out;
  
  	fprintf(stderr, "type: %d, count: %d, ttl: %d: ", type, count, ttl);
  
  	switch (type) {
  	case DNS_IPv4_A: {
  		struct in_addr *in_addrs = addresses;
  		int i;
  		/* a resolution that's not valid does not help */
  		if (ttl < 0)
  			goto out;
  		for (i = 0; i < count; ++i)
  			fprintf(stderr, "%s ", inet_ntoa(in_addrs[0]));
  		break;
  	}
  	case DNS_PTR:
  		/* may get at most one PTR */
  		if (count != 1)
  			goto out;
  
  		fprintf(stderr, "%s ", *(char **)addresses);
  		break;
  	default:
  		goto out;
  	}
  
  	dns_ok = 1;
  
  out:
  	event_loopexit(NULL);
  }
  
  void
  dns_gethostbyname()
  {
  	fprintf(stdout, "Simple DNS resolve: ");
  	dns_ok = 0;
  	evdns_resolve_ipv4("www.monkey.org", 0, dns_gethostbyname_cb, NULL);
  	event_dispatch();
  
  	if (dns_ok) {
  		fprintf(stdout, "OK\n");
  	} else {
  		fprintf(stdout, "FAILED\n");
  		exit(1);
  	}
  }
  
  void
  dns_gethostbyaddr()
  {
  	struct in_addr in;
  	in.s_addr = htonl(0x7f000001ul); /* 127.0.0.1 */
  	fprintf(stdout, "Simple reverse DNS resolve: ");
  	dns_ok = 0;
  	evdns_resolve_reverse(&in, 0, dns_gethostbyname_cb, NULL);
  	event_dispatch();
  
  	if (dns_ok) {
  		fprintf(stdout, "OK\n");
  	} else {
  		fprintf(stdout, "FAILED\n");
  		exit(1);
  	}
  }
  
  void
  dns_suite(void)
  {
  	evdns_init();
  	dns_gethostbyname();
  	dns_gethostbyaddr();
  
  	evdns_shutdown(0);
  }
  

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