1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3 * Data Differential YATL (i.e. libtest) library
5 * Copyright (C) 2012 Data Differential, http://datadifferential.com/
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
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12 * notice, this list of conditions and the following disclaimer.
14 * * Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following disclaimer
16 * in the documentation and/or other materials provided with the
19 * * The names of its contributors may not be used to endorse or
20 * promote products derived from this software without specific prior
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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37 #include "libtest/yatlcon.h"
39 #include <libtest/common.h>
53 static inline std::string
&rtrim(std::string
&s
)
55 s
.erase(std::find_if(s
.rbegin(), s
.rend(), std::not1(std::ptr_fun
<int, int>(std::isspace
))).base(), s
.end());
59 #include <libtest/server.h>
60 #include <libtest/stream.h>
61 #include <libtest/killpid.h>
65 std::ostream
& operator<<(std::ostream
& output
, const Server
&arg
)
69 output
<< arg
.hostname();
73 output
<< arg
.hostname() << ":" << arg
.port();
78 output
<< " Pid:" << arg
.pid();
83 output
<< " Socket:" << arg
.socket();
86 if (arg
.running().empty() == false)
88 output
<< " Exec:" << arg
.running();
91 return output
; // for multiple << operators
100 Buffer(char *b
) : b_(b
) {}
101 ~Buffer() { free(b_
); }
102 char* buf() { return b_
; }
110 #define MAGIC_MEMORY 123570
112 Server::Server(const std::string
& host_arg
, const in_port_t port_arg
,
113 const std::string
& executable
, const bool _is_libtool
,
114 bool is_socket_arg
) :
115 _magic(MAGIC_MEMORY
),
116 _is_socket(is_socket_arg
),
119 _app(executable
, _is_libtool
),
120 out_of_ban_killed_(false),
137 bool Server::validate()
139 return _magic
== MAGIC_MEMORY
;
142 // If the server exists, kill it
147 // Try to ping, and kill the server #limit number of times
149 is_pid_valid(_app
.pid()))
153 Log
<< "Killed existing server," << *this;
159 // For whatever reason we could not kill it, and we reached limit
162 Error
<< "Reached limit, could not kill server";
169 bool Server::wait_for_pidfile() const
171 Wait
wait(pid_file(), 4);
173 return wait
.successful();
176 bool Server::has_pid() const
178 return (_app
.pid() > 1);
184 // If we find that we already have a pid then kill it.
185 if (has_pid() == true)
188 fatal_message("has_pid() failed, programer error");
192 // This needs more work.
200 if (port() == LIBTEST_FAIL_PORT
)
202 throw libtest::disconnected(LIBYATL_DEFAULT_PARAM
,
203 hostname(), port(), "Called failure");
206 if (getenv("YATL_PTRCHECK_SERVER"))
210 else if (getenv("YATL_VALGRIND_SERVER"))
215 out_of_ban_killed(false);
216 if (args(_app
) == false)
218 throw libtest::disconnected(LIBYATL_DEFAULT_PARAM
,
219 hostname(), port(), "Could not build command()");
222 libtest::release_port(_port
);
224 Application::error_t ret
;
225 if (Application::SUCCESS
!= (ret
= _app
.run()))
227 throw libtest::disconnected(LIBYATL_DEFAULT_PARAM
,
228 hostname(), port(), "Application::run() %s", libtest::Application::toString(ret
));
231 _running
= _app
.print();
233 if (valgrind_is_caller())
242 if (pid_file().empty() == false)
244 Wait
wait(pid_file(), 8);
246 if (wait
.successful() == false)
255 Buffer
buf( get_current_dir_name());
256 char *getcwd_buf
= buf
.buf();
258 libtest::vchar_t buf
;
259 buf
.resize(PATH_MAX
);
260 char *getcwd_buf
= getcwd(&buf
[0], buf
.size());
262 throw libtest::disconnected(LIBYATL_DEFAULT_PARAM
,
264 "Unable to open pidfile in %s for: %s stderr:%s",
265 getcwd_buf
? getcwd_buf
: "",
267 _app
.stderr_c_str());
273 uint32_t this_wait
= 0;
278 for (waited
= 0, retry
= 7; ; retry
++, waited
+= this_wait
)
280 if (_app
.check() == false)
285 if ((pinged
= ping()) == true)
289 else if (waited
>= _timeout
)
294 Error
<< "ping(" << _app
.pid() << ") wait: " << this_wait
<< " " << hostname() << ":" << port() << " run:" << _running
<< " " << error();
296 this_wait
= retry
* retry
/ 3 + 1;
297 libtest::dream(this_wait
, 0);
303 // If we happen to have a pid file, lets try to kill it
304 if ((pid_file().empty() == false) and (access(pid_file().c_str(), R_OK
) == 0))
307 if (kill_file(pid_file()) == false)
309 throw libtest::disconnected(LIBYATL_DEFAULT_PARAM
,
311 "Failed to kill off server, waited: %u after startup occurred, when pinging failed: %.*s stderr:%.*s",
313 int(_running
.size()), _running
.c_str(),
314 int(_app
.stderr_result_length()), _app
.stderr_c_str());
318 throw libtest::disconnected(LIBYATL_DEFAULT_PARAM
,
320 "Failed native ping(), pid: %d was alive: %s waited: %u server started, having pid_file. exec: %.*s stderr:%.*s",
322 _app
.check() ? "true" : "false",
324 int(_running
.size()), _running
.c_str(),
325 int(_app
.stderr_result_length()), _app
.stderr_c_str());
330 throw libtest::disconnected(LIBYATL_DEFAULT_PARAM
,
332 "Failed native ping(), pid: %d is alive: %s waited: %u server started. exec: %.*s stderr:%.*s",
334 _app
.check() ? "true" : "false",
336 int(_running
.size()), _running
.c_str(),
337 int(_app
.stderr_result_length()), _app
.stderr_c_str());
347 void Server::reset_pid()
353 pid_t
Server::pid() const
358 void Server::add_option(const std::string
& arg
)
360 _options
.push_back(std::make_pair(arg
, std::string()));
363 void Server::add_option(const std::string
& name_
, const std::string
& value_
)
365 _options
.push_back(std::make_pair(name_
, value_
));
368 bool Server::set_socket_file()
370 libtest::vchar_t file_buffer
;
371 file_buffer
.resize(FILENAME_MAX
);
374 if (broken_pid_file())
376 snprintf(&file_buffer
[0], file_buffer
.size(), "/tmp/%s.socketXXXXXX", name());
380 snprintf(&file_buffer
[0], file_buffer
.size(), "var/run/%s.socketXXXXXX", name());
384 if ((fd
= mkstemp(&file_buffer
[0])) == -1)
386 perror(&file_buffer
[0]);
390 unlink(&file_buffer
[0]);
392 _socket
= &file_buffer
[0];
397 bool Server::set_pid_file()
399 libtest::vchar_t file_buffer
;
400 file_buffer
.resize(FILENAME_MAX
);
403 if (broken_pid_file())
405 snprintf(&file_buffer
[0], file_buffer
.size(), "/tmp/%s.pidXXXXXX", name());
409 snprintf(&file_buffer
[0], file_buffer
.size(), "var/run/%s.pidXXXXXX", name());
413 if ((fd
= mkstemp(&file_buffer
[0])) == -1)
415 throw libtest::fatal(LIBYATL_DEFAULT_PARAM
, "mkstemp() failed on %s with %s", &file_buffer
[0], strerror(errno
));
418 unlink(&file_buffer
[0]);
420 _pid_file
= &file_buffer
[0];
425 bool Server::set_log_file()
427 libtest::vchar_t file_buffer
;
428 file_buffer
.resize(FILENAME_MAX
);
431 snprintf(&file_buffer
[0], file_buffer
.size(), "var/log/%s.logXXXXXX", name());
433 if ((fd
= mkstemp(&file_buffer
[0])) == -1)
435 throw libtest::fatal(LIBYATL_DEFAULT_PARAM
, "mkstemp() failed on %s with %s", &file_buffer
[0], strerror(errno
));
439 _log_file
= &file_buffer
[0];
444 bool Server::args(Application
& app
)
447 // Set a log file if it was requested (and we can)
448 if (has_log_file_option())
451 log_file_option(app
, _log_file
);
454 if (getenv("LIBTEST_SYSLOG") and has_syslog())
456 app
.add_option("--syslog");
461 if (_pid_file
.empty() and set_pid_file() == false)
466 pid_file_option(app
, pid_file());
469 if (has_socket_file_option())
471 if (set_socket_file() == false)
476 socket_file_option(app
, _socket
);
479 if (has_port_option())
481 port_option(app
, _port
);
484 for (Options::const_iterator iter
= _options
.begin(); iter
!= _options
.end(); ++iter
)
486 if ((*iter
).second
.empty() == false)
488 app
.add_option((*iter
).first
, (*iter
).second
);
492 app
.add_option((*iter
).first
);
501 if (check_pid(_app
.pid())) // If we kill it, reset
504 if (broken_pid_file() and pid_file().empty() == false)
506 unlink(pid_file().c_str());
509 if (broken_socket_cleanup() and has_socket() and not socket().empty())
511 unlink(socket().c_str());
522 } // namespace libtest