/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
- * Libmemcached library
+ * libtest
*
* Copyright (C) 2011 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:
+ * 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.
*
- * * 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.
+ * 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.
*
+ * 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 <iostream>
-#include <cstdlib>
+#include <libtest/common.h>
+
#include <cassert>
+#include <cerrno>
+#include <climits>
+#include <cstdlib>
+#include <iostream>
+
+#include <algorithm>
+#include <functional>
+#include <locale>
+#include <unistd.h>
+
+// trim from end
+static inline std::string &rtrim(std::string &s)
+{
+ s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
+ return s;
+}
#include <libtest/server.h>
+#include <libtest/stream.h>
#include <libtest/killpid.h>
+namespace libtest {
-std::ostream& operator<<(std::ostream& output, const server_st &arg)
+std::ostream& operator<<(std::ostream& output, const Server &arg)
{
if (arg.is_socket())
{
- output << arg.hostname;
+ output << arg.hostname();
}
else
{
- output << arg.hostname << ":" << arg.port();
+ output << arg.hostname() << ":" << arg.port();
+ }
+
+ if (arg.has_pid())
+ {
+ output << " Pid:" << arg.pid();
+ }
+
+ if (arg.has_socket())
+ {
+ output << " Socket:" << arg.socket();
+ }
+
+ if (arg.running().empty() == false)
+ {
+ output << " Exec:" << arg.running();
}
+
return output; // for multiple << operators
}
-static void global_sleep(void)
+#define MAGIC_MEMORY 123570
+
+Server::Server(const std::string& host_arg, const in_port_t port_arg,
+ const std::string& executable, const bool _is_libtool,
+ bool is_socket_arg) :
+ _magic(MAGIC_MEMORY),
+ _is_socket(is_socket_arg),
+ _port(port_arg),
+ _hostname(host_arg),
+ _app(executable, _is_libtool)
{
- static struct timespec global_sleep_value= { 0, 50000 };
+}
-#ifdef WIN32
- sleep(1);
-#else
- nanosleep(&global_sleep_value, NULL);
-#endif
+Server::~Server()
+{
+}
+
+bool Server::check()
+{
+ _app.slurp();
+ _app.check();
+ return true;
+}
+
+bool Server::validate()
+{
+ return _magic == MAGIC_MEMORY;
}
-server_st::~server_st()
+// If the server exists, kill it
+bool Server::cycle()
{
- if (has_pid())
+ uint32_t limit= 3;
+
+ // Try to ping, and kill the server #limit number of times
+ while (--limit and
+ is_pid_valid(_app.pid()))
+ {
+ if (kill())
+ {
+ Log << "Killed existing server," << *this;
+ dream(0, 50000);
+ continue;
+ }
+ }
+
+ // For whatever reason we could not kill it, and we reached limit
+ if (limit == 0)
{
- kill();
+ Error << "Reached limit, could not kill server";
+ return false;
}
+
+ return true;
}
-bool server_st::start()
+bool Server::wait_for_pidfile() const
{
- assert(not _command.empty());
- assert(not has_pid());
+ Wait wait(pid_file(), 4);
- if (has_pid())
+ return wait.successful();
+}
+
+bool Server::has_pid() const
+{
+ return (_app.pid() > 1);
+}
+
+
+bool Server::start()
+{
+ // If we find that we already have a pid then kill it.
+ if (has_pid() == true)
+ {
+ fatal_message("has_pid() failed, programer error");
+ }
+
+ // This needs more work.
+#if 0
+ if (gdb_is_caller())
+ {
+ _app.use_gdb();
+ }
+#endif
+
+ if (getenv("YATL_PTRCHECK_SERVER"))
+ {
+ _app.use_ptrcheck();
+ }
+ else if (getenv("YATL_VALGRIND_SERVER"))
+ {
+ _app.use_valgrind();
+ }
+
+ if (args(_app) == false)
+ {
+ Error << "Could not build command()";
return false;
+ }
- if (system(_command.c_str()) == -1)
+ Application::error_t ret;
+ if (Application::SUCCESS != (ret= _app.run()))
+ {
+ Error << "Application::run() " << ret;
return false;
+ }
+ _running= _app.print();
- int count= 30;
- while (not ping() and --count)
+ if (valgrind_is_caller())
{
- global_sleep();
+ dream(5, 50000);
}
- if (count == 0)
+ size_t repeat= 5;
+ _app.slurp();
+ while (--repeat)
{
- return false;
+ if (pid_file().empty() == false)
+ {
+ Wait wait(pid_file(), 8);
+
+ if (wait.successful() == false)
+ {
+ if (_app.check())
+ {
+ continue;
+ }
+
+ char buf[PATH_MAX];
+ char *getcwd_buf= getcwd(buf, sizeof(buf));
+ throw libtest::fatal(LIBYATL_DEFAULT_PARAM,
+ "Unable to open pidfile in %s for: %s stderr:%s",
+ getcwd_buf ? getcwd_buf : "",
+ _running.c_str(),
+ _app.stderr_c_str());
+ }
+ }
+ }
+
+ uint32_t this_wait= 0;
+ bool pinged= false;
+ {
+ uint32_t timeout= 20; // This number should be high enough for valgrind startup (which is slow)
+ uint32_t waited;
+ uint32_t retry;
+
+ for (waited= 0, retry= 1; ; retry++, waited+= this_wait)
+ {
+ if ((pinged= ping()) == true)
+ {
+ break;
+ }
+ else if (waited >= timeout)
+ {
+ break;
+ }
+
+ this_wait= retry * retry / 3 + 1;
+ libtest::dream(this_wait, 0);
+ }
}
- _pid= get_pid();
+ if (pinged == false)
+ {
+ // If we happen to have a pid file, lets try to kill it
+ if ((pid_file().empty() == false) and (access(pid_file().c_str(), R_OK) == 0))
+ {
+ _app.slurp();
+ if (kill_file(pid_file()) == false)
+ {
+ throw libtest::fatal(LIBYATL_DEFAULT_PARAM,
+ "Failed to kill off server, waited: %u after startup occurred, when pinging failed: %s stderr:%s",
+ this_wait,
+ pid_file().c_str(),
+ _app.stderr_c_str());
+ }
+
+ throw libtest::fatal(LIBYATL_DEFAULT_PARAM,
+ "Failed to ping(), waited: %u server started, having pid_file. exec: %s stderr:%s",
+ this_wait, _running.c_str(),
+ _app.stderr_c_str());
+ }
+ else
+ {
+ throw libtest::fatal(LIBYATL_DEFAULT_PARAM,
+ "Failed to ping(), waited: %u server started. exec: %s stderr:%s",
+ this_wait,
+ _running.c_str(),
+ _app.stderr_c_str());
+ }
+ _running.clear();
+ return false;
+ }
return has_pid();
}
-void server_st::reset_pid()
+void Server::reset_pid()
+{
+ _running.clear();
+ _pid_file.clear();
+}
+
+pid_t Server::pid() const
+{
+ return _app.pid();
+}
+
+void Server::add_option(const std::string& arg)
{
- pid_file[0]= 0;
- _pid= -1;
+ _options.push_back(std::make_pair(arg, std::string()));
}
-pid_t server_st::pid()
+void Server::add_option(const std::string& name, const std::string& value)
{
- if (not has_pid())
+ _options.push_back(std::make_pair(name, value));
+}
+
+bool Server::set_socket_file()
+{
+ char file_buffer[FILENAME_MAX];
+ file_buffer[0]= 0;
+
+ if (broken_pid_file())
+ {
+ snprintf(file_buffer, sizeof(file_buffer), "/tmp/%s.socketXXXXXX", name());
+ }
+ else
+ {
+ snprintf(file_buffer, sizeof(file_buffer), "var/run/%s.socketXXXXXX", name());
+ }
+
+ int fd;
+ if ((fd= mkstemp(file_buffer)) == -1)
{
- _pid= get_pid();
+ perror(file_buffer);
+ return false;
}
+ close(fd);
+ unlink(file_buffer);
+
+ _socket= file_buffer;
- return _pid;
+ return true;
}
+bool Server::set_pid_file()
+{
+ char file_buffer[FILENAME_MAX];
+ file_buffer[0]= 0;
+
+ if (broken_pid_file())
+ {
+ snprintf(file_buffer, sizeof(file_buffer), "/tmp/%s.pidXXXXXX", name());
+ }
+ else
+ {
+ snprintf(file_buffer, sizeof(file_buffer), "var/run/%s.pidXXXXXX", name());
+ }
+
+ int fd;
+ if ((fd= mkstemp(file_buffer)) == -1)
+ {
+ throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "mkstemp() failed on %s with %s", file_buffer, strerror(errno));
+ }
+ close(fd);
+ unlink(file_buffer);
+
+ _pid_file= file_buffer;
+
+ return true;
+}
-bool server_st::kill()
+bool Server::set_log_file()
{
- if (is_used())
- return false;
+ char file_buffer[FILENAME_MAX];
+ file_buffer[0]= 0;
+
+ snprintf(file_buffer, sizeof(file_buffer), "var/log/%s.logXXXXXX", name());
+ int fd;
+ if ((fd= mkstemp(file_buffer)) == -1)
+ {
+ throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "mkstemp() failed on %s with %s", file_buffer, strerror(errno));
+ }
+ close(fd);
+
+ _log_file= file_buffer;
- if ((_pid= get_pid()))
+ return true;
+}
+
+bool Server::args(Application& app)
+{
+
+ // Set a log file if it was requested (and we can)
+ if (false and has_log_file_option())
+ {
+ set_log_file();
+ log_file_option(app, _log_file);
+ }
+
+ if (getenv("LIBTEST_SYSLOG") and has_syslog())
+ {
+ app.add_option("--syslog");
+ }
+
+ // Update pid_file
{
- kill_pid(_pid);
- if (pid_file[0])
+ if (_pid_file.empty() and set_pid_file() == false)
{
- unlink(pid_file); // If this happens we may be dealing with a dead server that left its pid file.
+ return false;
}
- reset_pid();
- return true;
+ pid_file_option(app, pid_file());
}
-#if 0
- else if (pid_file[0])
+
+ if (has_socket_file_option())
+ {
+ if (set_socket_file() == false)
+ {
+ return false;
+ }
+
+ socket_file_option(app, _socket);
+ }
+
+ if (has_port_option())
{
- kill_file(pid_file);
+ port_option(app, _port);
+ }
+
+ for (Options::const_iterator iter= _options.begin(); iter != _options.end(); iter++)
+ {
+ if ((*iter).second.empty() == false)
+ {
+ app.add_option((*iter).first, (*iter).second);
+ }
+ else
+ {
+ app.add_option((*iter).first);
+ }
+ }
+
+ return true;
+}
+
+bool Server::kill()
+{
+ if (check_pid(_app.pid())) // If we kill it, reset
+ {
+ _app.murder();
+ if (broken_pid_file() and pid_file().empty() == false)
+ {
+ unlink(pid_file().c_str());
+ }
+
+ if (broken_socket_cleanup() and has_socket() and not socket().empty())
+ {
+ unlink(socket().c_str());
+ }
+
reset_pid();
return true;
}
-#endif
return false;
}
-server_startup_st::~server_startup_st()
-{ }
+} // namespace libtest
projects / m6w6 / libmemcached / blobdiff