1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 3 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include <libtest/common.h>
35 static inline std::string
&rtrim(std::string
&s
)
37 s
.erase(std::find_if(s
.rbegin(), s
.rend(), std::not1(std::ptr_fun
<int, int>(std::isspace
))).base(), s
.end());
41 #include <libtest/server.h>
42 #include <libtest/stream.h>
43 #include <libtest/killpid.h>
46 static bool exited_successfully(int status
)
48 if (WEXITSTATUS(status
) == 0)
60 std::ostream
& operator<<(std::ostream
& output
, const Server
&arg
)
64 output
<< arg
.hostname();
68 output
<< arg
.hostname() << ":" << arg
.port();
73 output
<< " Pid:" << arg
.pid();
78 output
<< " Socket:" << arg
.socket();
81 if (not arg
.running().empty())
83 output
<< " Exec:" << arg
.running();
87 return output
; // for multiple << operators
90 void Server::nap(void)
95 struct timespec global_sleep_value
= { 0, 50000 };
96 nanosleep(&global_sleep_value
, NULL
);
100 Server::Server(const std::string
& host_arg
, const in_port_t port_arg
, bool is_socket_arg
) :
101 _is_socket(is_socket_arg
),
110 if (has_pid() and not kill(_pid
))
112 Error
<< "Unable to kill:" << *this;
116 std::string
server_startup_st::option_string() const
118 std::string temp
= server_list
;
123 // If the server exists, kill it
128 // Try to ping, and kill the server #limit number of times
130 while (--limit
and is_pid_valid(current_pid
= get_pid()))
132 if (kill(current_pid
))
134 Log
<< "Killed existing server," << *this << " with pid:" << current_pid
;
140 // For whatever reason we could not kill it, and we reached limit
143 Error
<< "Reached limit, could not kill server pid:" << current_pid
;
150 // Grab a one off command
151 bool Server::command(std::string
& command_arg
)
153 rebuild_base_command();
155 command_arg
+= _base_command
;
157 if (args(command_arg
))
167 // If we find that we already have a pid then kill it.
168 if (has_pid() and not kill(_pid
))
170 Error
<< "Could not kill() existing server during start() pid:" << _pid
;
173 assert(not has_pid());
176 if (not command(_running
))
178 Error
<< "Could not build command()";
182 if (is_valgrind() or is_helgrind())
187 int ret
= system(_running
.c_str());
188 if (not exited_successfully(ret
))
190 Error
<< "system() failed:" << strerror(errno
);
195 if (is_helgrind() or is_valgrind())
200 if (pid_file_option() and not pid_file().empty())
202 Wait
wait(pid_file(), 8);
204 if (not wait
.successful())
206 Error
<< "Unable to open pidfile for: " << _running
;
210 int count
= is_helgrind() or is_valgrind() ? 20 : 5;
211 while (not ping() and --count
)
218 // If we happen to have a pid file, lets try to kill it
219 if (pid_file_option() and not pid_file().empty())
221 kill_file(pid_file());
223 Error
<< "Failed to ping() server started with:" << _running
;
228 // A failing get_pid() at this point is considered an error
234 void Server::reset_pid()
246 bool Server::set_socket_file()
248 char file_buffer
[FILENAME_MAX
];
251 if (broken_pid_file())
253 snprintf(file_buffer
, sizeof(file_buffer
), "/tmp/%s.socketXXXXXX", name());
257 snprintf(file_buffer
, sizeof(file_buffer
), "var/run/%s.socketXXXXXX", name());
261 if ((fd
= mkstemp(file_buffer
)) == -1)
269 _socket
= file_buffer
;
274 bool Server::set_pid_file()
276 char file_buffer
[FILENAME_MAX
];
279 if (broken_pid_file())
281 snprintf(file_buffer
, sizeof(file_buffer
), "/tmp/%s.pidXXXXXX", name());
285 snprintf(file_buffer
, sizeof(file_buffer
), "var/run/%s.pidXXXXXX", name());
289 if ((fd
= mkstemp(file_buffer
)) == -1)
297 _pid_file
= file_buffer
;
302 bool Server::set_log_file()
304 char file_buffer
[FILENAME_MAX
];
307 snprintf(file_buffer
, sizeof(file_buffer
), "var/log/%s.logXXXXXX", name());
309 if ((fd
= mkstemp(file_buffer
)) == -1)
316 _log_file
= file_buffer
;
321 void Server::rebuild_base_command()
323 _base_command
.clear();
326 _base_command
+= libtool();
329 if (is_debug() and getenv("GDB_COMMAND"))
331 _base_command
+= getenv("GDB_COMMAND");
334 else if (is_valgrind() and getenv("VALGRIND_COMMAND"))
336 _base_command
+= getenv("VALGRIND_COMMAND");
339 else if (is_helgrind() and getenv("HELGRIND_COMMAND"))
341 _base_command
+= getenv("HELGRIND_COMMAND");
345 _base_command
+= executable();
348 void Server::set_extra_args(const std::string
&arg
)
353 bool Server::args(std::string
& options
)
355 std::stringstream arg_buffer
;
357 // Set a log file if it was requested (and we can)
358 if (getenv("LIBTEST_LOG") and log_file_option())
360 if (not set_log_file())
365 arg_buffer
<< " " << log_file_option() << _log_file
;
369 if (pid_file_option())
371 if (_pid_file
.empty() and not set_pid_file())
376 arg_buffer
<< " " << pid_file_option() << pid_file();
379 assert(daemon_file_option());
380 if (daemon_file_option() and not is_valgrind() and not is_helgrind())
382 arg_buffer
<< " " << daemon_file_option();
385 if (_is_socket
and socket_file_option())
387 if (not set_socket_file())
392 arg_buffer
<< " " << socket_file_option() << "\"" << _socket
<< "\"";
395 assert(port_option());
396 if (port_option() and _port
> 0)
398 arg_buffer
<< " " << port_option() << _port
;
401 options
+= arg_buffer
.str();
403 if (not _extra_args
.empty())
405 options
+= _extra_args
;
411 bool Server::is_debug() const
413 return bool(getenv("LIBTEST_MANUAL_GDB"));
416 bool Server::is_valgrind() const
418 return bool(getenv("LIBTEST_MANUAL_VALGRIND"));
421 bool Server::is_helgrind() const
423 return bool(getenv("LIBTEST_MANUAL_HELGRIND"));
426 bool Server::kill(pid_t pid_arg
)
428 if (check_pid(pid_arg
) and kill_pid(pid_arg
)) // If we kill it, reset
430 if (broken_pid_file() and not pid_file().empty())
432 unlink(pid_file().c_str());
435 if (broken_socket_cleanup() and has_socket() and not socket().empty())
437 unlink(socket().c_str());
448 void server_startup_st::push_server(Server
*arg
)
450 servers
.push_back(arg
);
452 char port_str
[NI_MAXSERV
];
453 snprintf(port_str
, sizeof(port_str
), "%u", int(arg
->port()));
455 std::string server_config_string
;
456 if (arg
->has_socket())
458 server_config_string
+= "--socket=";
459 server_config_string
+= '"';
460 server_config_string
+= arg
->socket();
461 server_config_string
+= '"';
462 server_config_string
+= " ";
466 server_config_string
+= "--server=";
467 server_config_string
+= arg
->hostname();
468 server_config_string
+= ":";
469 server_config_string
+= port_str
;
470 server_config_string
+= " ";
473 server_list
+= server_config_string
;
477 Server
* server_startup_st::pop_server()
479 Server
*tmp
= servers
.back();
484 void server_startup_st::shutdown(bool remove
)
488 for (std::vector
<Server
*>::iterator iter
= servers
.begin(); iter
!= servers
.end(); iter
++)
496 for (std::vector
<Server
*>::iterator iter
= servers
.begin(); iter
!= servers
.end(); iter
++)
498 if ((*iter
)->has_pid() and not (*iter
)->kill((*iter
)->pid()))
500 Error
<< "Unable to kill:" << *(*iter
);
506 server_startup_st::~server_startup_st()
511 bool server_startup_st::is_debug() const
513 return bool(getenv("LIBTEST_MANUAL_GDB"));
516 bool server_startup_st::is_valgrind() const
518 return bool(getenv("LIBTEST_MANUAL_VALGRIND"));
521 bool server_startup_st::is_helgrind() const
523 return bool(getenv("LIBTEST_MANUAL_HELGRIND"));
527 bool server_startup(server_startup_st
& construct
, const std::string
& server_type
, in_port_t try_port
, int argc
, const char *argv
[])
532 // Look to see if we are being provided ports to use
534 char variable_buffer
[1024];
535 snprintf(variable_buffer
, sizeof(variable_buffer
), "LIBTEST_PORT_%lu", (unsigned long)construct
.count());
538 if ((var
= getenv(variable_buffer
)))
540 in_port_t tmp
= in_port_t(atoi(var
));
547 libtest::Server
*server
= NULL
;
550 else if (server_type
.compare("gearmand") == 0)
556 server
= build_gearmand("localhost", try_port
);
560 Error
<< "Libgearman was not found";
565 Error
<< "No gearmand binary is available";
568 else if (server_type
.compare("blobslap_worker") == 0)
570 if (GEARMAND_BINARY
and GEARMAND_BLOBSLAP_WORKER
)
574 server
= build_blobslap_worker(try_port
);
578 Error
<< "Libgearman was not found";
583 Error
<< "No gearmand binary is available";
586 else if (server_type
.compare("memcached-sasl") == 0)
588 if (MEMCACHED_SASL_BINARY
)
590 if (HAVE_LIBMEMCACHED
)
592 server
= build_memcached_sasl("localhost", try_port
, construct
.username(), construct
.password());
596 Error
<< "Libmemcached was not found";
601 Error
<< "No memcached binary that was compiled with sasl is available";
604 else if (server_type
.compare("memcached") == 0)
606 if (MEMCACHED_BINARY
)
608 if (HAVE_LIBMEMCACHED
)
610 server
= build_memcached("localhost", try_port
);
614 Error
<< "Libmemcached was not found";
619 Error
<< "No memcached binary is available";
624 Error
<< "Failed to start " << server_type
<< ", no support was found to be compiled in for it.";
629 Error
<< "Failure occured while creating server: " << server_type
;
634 We will now cycle the server we have created.
636 if (not server
->cycle())
638 Error
<< "Could not start up server " << *server
;
643 server
->build(argc
, argv
);
645 if (construct
.is_debug())
647 Out
<< "Pausing for startup, hit return when ready.";
648 std::string gdb_command
= server
->base_command();
650 Out
<< "run " << server
->args(options
);
653 else if (not server
->start())
655 Error
<< "Failed to start " << *server
;
661 Out
<< "STARTING SERVER(pid:" << server
->pid() << "): " << server
->running();
664 construct
.push_server(server
);
666 if (default_port() == 0)
668 assert(server
->has_port());
669 set_default_port(server
->port());
677 bool server_startup_st::start_socket_server(const std::string
& server_type
, const in_port_t try_port
, int argc
, const char *argv
[])
682 Server
*server
= NULL
;
685 else if (server_type
.compare("gearmand") == 0)
687 Error
<< "Socket files are not supported for gearmand yet";
689 else if (server_type
.compare("memcached-sasl") == 0)
691 if (MEMCACHED_SASL_BINARY
)
693 if (HAVE_LIBMEMCACHED
)
695 server
= build_memcached_sasl_socket("localhost", try_port
, username(), password());
699 Error
<< "Libmemcached was not found";
704 Error
<< "No memcached binary is available";
707 else if (server_type
.compare("memcached") == 0)
709 if (MEMCACHED_BINARY
)
711 if (HAVE_LIBMEMCACHED
)
713 server
= build_memcached_socket("localhost", try_port
);
717 Error
<< "Libmemcached was not found";
722 Error
<< "No memcached binary is available";
727 Error
<< "Failed to start " << server_type
<< ", no support was found to be compiled in for it.";
732 Error
<< "Failure occured while creating server: " << server_type
;
737 We will now cycle the server we have created.
739 if (not server
->cycle())
741 Error
<< "Could not start up server " << *server
;
746 server
->build(argc
, argv
);
750 Out
<< "Pausing for startup, hit return when ready.";
751 std::string gdb_command
= server
->base_command();
753 Out
<< "run " << server
->args(options
);
756 else if (not server
->start())
758 Error
<< "Failed to start " << *server
;
764 Out
<< "STARTING SERVER(pid:" << server
->pid() << "): " << server
->running();
769 set_default_socket(server
->socket().c_str());
776 } // namespace libtest