/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Data Differential YATL (i.e. libtest) library
*
* Copyright (C) 2012 Data Differential, http://datadifferential.com/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * The names of its contributors may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* OWNER OR CONTRIBUTORS 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.
*
*/
#include "libtest/yatlcon.h"
#include <libtest/common.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
namespace libtest {
bool lookup(const char* host)
{
bool success= false;
assert(host and host[0]);
if (host and host[0])
{
struct addrinfo *addrinfo= NULL;
struct addrinfo hints;
memset(&hints, 0, sizeof(hints));
hints.ai_socktype= SOCK_STREAM;
hints.ai_protocol= IPPROTO_TCP;
int limit= 5;
while (--limit and success == false)
{
if (addrinfo)
{
freeaddrinfo(addrinfo);
addrinfo= NULL;
}
int ret;
if ((ret= getaddrinfo(host, "echo", &hints, &addrinfo)) == 0)
{
success= true;
break;
}
switch (ret)
{
case EAI_AGAIN:
continue;
case EAI_NONAME:
default:
break;
}
break;
}
if (addrinfo)
{
freeaddrinfo(addrinfo);
}
}
return success;
}
bool check_dns()
{
if (valgrind_is_caller())
{
return false;
}
if (lookup("exist.gearman.info") == false)
{
return false;
}
if (lookup("does_not_exist.gearman.info")) // This should fail, if it passes,...
{
fatal_assert("Your service provider sucks and is providing bogus DNS. You might be in an airport.");
}
return true;
}
} // namespace libtest