/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
- * libtest
*
- * Copyright (C) 2011 Data Differential, http://datadifferential.com/
+ * Data Differential YATL (i.e. libtest) library
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
+ * Copyright (C) 2012 Data Differential, http://datadifferential.com/
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
+ * 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.
*
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <config.h>
#include <libtest/common.h>
#include <cassert>
#include <cstdlib>
#include <cstring>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <unistd.h>
#include <ctime>
#include <fnmatch.h>
#include <iostream>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include <utility>
+#include <vector>
#include <signal.h>
-#include <libtest/stats.h>
#include <libtest/signal.h>
#ifndef __INTEL_COMPILER
using namespace libtest;
+struct socket_st {
+ typedef std::vector< std::pair< int, in_port_t> > socket_port_t;
+ socket_port_t _pair;
+
+ void release(in_port_t _arg)
+ {
+ for(socket_port_t::iterator iter= _pair.begin();
+ iter != _pair.end();
+ iter++)
+ {
+ if ((*iter).second == _arg)
+ {
+ close((*iter).first);
+ }
+ }
+ }
+
+ ~socket_st()
+ {
+ for(socket_port_t::iterator iter= _pair.begin();
+ iter != _pair.end();
+ iter++)
+ {
+ close((*iter).first);
+ }
+ }
+};
+
+static socket_st all_socket_fd;
+
static in_port_t global_port= 0;
-static in_port_t global_max_port= 0;
namespace libtest {
in_port_t default_port()
{
+ if (global_port == 0)
+ {
+ global_port= get_free_port();
+ }
+
return global_port;
}
-
-void set_default_port(in_port_t port)
-{
- global_port= port;
-}
-in_port_t max_port()
+void release_port(in_port_t arg)
{
- return global_max_port;
+ all_socket_fd.release(arg);
}
-
-void set_max_port(in_port_t port)
+
+in_port_t get_free_port()
{
- if (port > global_max_port)
+ in_port_t ret_port= in_port_t(0);
+
+ int retries= 1024;
+
+ while (retries--)
+ {
+ int sd;
+ if ((sd= socket(AF_INET, SOCK_STREAM, 0)) != -1)
+ {
+ int optval= 1;
+ if (setsockopt(sd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)) != -1)
+ {
+ struct sockaddr_in sin;
+ sin.sin_port= 0;
+ sin.sin_addr.s_addr= 0;
+ sin.sin_addr.s_addr= INADDR_ANY;
+ sin.sin_family= AF_INET;
+
+ if (bind(sd, (struct sockaddr *)&sin,sizeof(struct sockaddr_in) ) != -1)
+ {
+ socklen_t addrlen= sizeof(sin);
+
+ if (getsockname(sd, (struct sockaddr *)&sin, &addrlen) != -1)
+ {
+ ret_port= sin.sin_port;
+ }
+ }
+ }
+
+ all_socket_fd._pair.push_back(std::make_pair(sd, ret_port));
+ }
+
+ if (ret_port > 1024)
+ {
+ break;
+ }
+ }
+
+ // We handle the case where if we max out retries, we still abort.
+ if (ret_port <= 1024)
{
- global_max_port= port;
+ fatal_message("No port could be found");
}
- global_max_port= port;
+ return ret_port;
}
} // namespace libtest
projects / m6w6 / libmemcached / blobdiff