kc3-lang/libevent/test/regress_listener.c

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• Hash : 8a3007ef
  Author :
  Date : 2009-07-30T17:01:38
  

  More evconnlistener unit tests: bump its coverage from 71% to 83%.
  
  svn:r1392
  

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• test/regress_listener.c

• /*
   * Copyright (c) 2009 Niels Provos and Nick Mathewson
   *
   * 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
  
  #ifndef WIN32
  #include <sys/socket.h>
  #include <netinet/in.h>
  #include <unistd.h>
  #endif
  
  #include <string.h>
  
  #include <event2/listener.h>
  #include <event2/event.h>
  #include <event2/util.h>
  
  #include "regress.h"
  #include "tinytest.h"
  #include "tinytest_macros.h"
  #include "util-internal.h"
  
  static void
  acceptcb(struct evconnlistener *listener, evutil_socket_t fd,
      struct sockaddr *addr, int socklen, void *arg)
  {
  	int *ptr = arg;
  	--*ptr;
  	TT_BLATHER(("Got one for %p", ptr));
  	EVUTIL_CLOSESOCKET(fd);
  
  	if (! *ptr)
  		evconnlistener_disable(listener);
  }
  
  static void
  regress_pick_a_port(void *arg)
  {
  	struct basic_test_data *data = arg;
  	struct event_base *base = data->base;
  	struct evconnlistener *listener1 = NULL, *listener2 = NULL;
  	//struct event *connecting;
  	struct sockaddr_in sin;
  	int count1 = 2, count2 = 1;
  	struct sockaddr_storage ss1, ss2;
  	struct sockaddr_in *sin1, *sin2;
  	ev_socklen_t slen1 = sizeof(ss1), slen2 = sizeof(ss2);
  	unsigned int flags =
  	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_EXEC;
  
  	evutil_socket_t fd1 = -1, fd2 = -1, fd3 = -1;
  
  	memset(&sin, 0, sizeof(sin));
  	sin.sin_family = AF_INET;
  	sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */
  	sin.sin_port = 0; /* "You pick!" */
  
  	listener1 = evconnlistener_new_bind(base, acceptcb, &count1,
  	    flags, -1, (struct sockaddr *)&sin, sizeof(sin));
  	tt_assert(listener1);
  	listener2 = evconnlistener_new_bind(base, acceptcb, &count2,
  	    flags, -1, (struct sockaddr *)&sin, sizeof(sin));
  	tt_assert(listener2);
  
  	tt_int_op(evconnlistener_get_fd(listener1), >=, 0);
  	tt_int_op(evconnlistener_get_fd(listener2), >=, 0);
  	tt_assert(getsockname(evconnlistener_get_fd(listener1),
  		(struct sockaddr*)&ss1, &slen1) == 0);
  	tt_assert(getsockname(evconnlistener_get_fd(listener2),
  		(struct sockaddr*)&ss2, &slen2) == 0);
  	tt_int_op(ss1.ss_family, ==, AF_INET);
  	tt_int_op(ss2.ss_family, ==, AF_INET);
  
  	sin1 = (struct sockaddr_in*)&ss1;
  	sin2 = (struct sockaddr_in*)&ss2;
  	tt_int_op(ntohl(sin1->sin_addr.s_addr), ==, 0x7f000001);
  	tt_int_op(ntohl(sin2->sin_addr.s_addr), ==, 0x7f000001);
  	tt_int_op(sin1->sin_port, !=, sin2->sin_port);
  
  	tt_ptr_op(evconnlistener_get_base(listener1), ==, base);
  	tt_ptr_op(evconnlistener_get_base(listener2), ==, base);
  
  	fd1 = fd2 = fd3 = -1;
  	evutil_socket_connect(&fd1, (struct sockaddr*)&ss1, slen1);
  	evutil_socket_connect(&fd2, (struct sockaddr*)&ss1, slen1);
  	evutil_socket_connect(&fd3, (struct sockaddr*)&ss2, slen2);
  
  	event_base_dispatch(base);
  
  	tt_int_op(count1, ==, 0);
  	tt_int_op(count2, ==, 0);
  
  end:
  	if (fd1>=0)
  		EVUTIL_CLOSESOCKET(fd1);
  	if (fd2>=0)
  		EVUTIL_CLOSESOCKET(fd2);
  	if (fd3>=0)
  		EVUTIL_CLOSESOCKET(fd3);
  }
  
  
  struct testcase_t listener_testcases[] = {
  
  	{ "randport", regress_pick_a_port, TT_FORK|TT_NEED_BASE,
  	  &basic_setup, NULL},
  
          END_OF_TESTCASES,
  };
  

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