802514d2759914619da89024747ab2ef4f39a318
[m6w6/libmemcached] / libtest / server_container.cc
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Data Differential YATL (i.e. libtest) library
4 *
5 * Copyright (C) 2012 Data Differential, http://datadifferential.com/
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
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
17 * distribution.
18 *
19 * * The names of its contributors may not be used to endorse or
20 * promote products derived from this software without specific prior
21 * written permission.
22 *
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,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 */
36
37 #include "libtest/yatlcon.h"
38
39 #include "libtest/common.h"
40
41 #include <cassert>
42 #include <cerrno>
43 #include <cstdlib>
44 #include <iostream>
45
46 #include <algorithm>
47 #include <functional>
48 #include <locale>
49
50 // trim from end
51 static inline std::string &rtrim(std::string &s)
52 {
53 s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
54 return s;
55 }
56
57 namespace libtest {
58
59 Server* server_startup_st::last()
60 {
61 return servers.back();
62 }
63
64 void server_startup_st::push_server(Server *arg)
65 {
66 servers.push_back(arg);
67
68 std::string server_config_string;
69 if (arg->has_socket())
70 {
71 server_config_string+= "--socket=";
72 server_config_string+= '"';
73 server_config_string+= arg->socket();
74 server_config_string+= '"';
75 server_config_string+= " ";
76 }
77 else
78 {
79 libtest::vchar_t port_str;
80 port_str.resize(NI_MAXSERV);
81 snprintf(&port_str[0], port_str.size(), "%u", int(arg->port()));
82
83 server_config_string+= "--server=";
84 server_config_string+= arg->hostname();
85 server_config_string+= ":";
86 server_config_string+= &port_str[0];
87 server_config_string+= " ";
88 }
89
90 server_list+= server_config_string;
91
92 }
93
94 Server* server_startup_st::pop_server()
95 {
96 Server *tmp= servers.back();
97 servers.pop_back();
98 return tmp;
99 }
100
101 // host_to_shutdown => host number to shutdown in array
102 bool server_startup_st::shutdown(uint32_t host_to_shutdown)
103 {
104 if (servers.size() > host_to_shutdown)
105 {
106 Server* tmp= servers[host_to_shutdown];
107
108 if (tmp and tmp->kill() == false)
109 { }
110 else
111 {
112 return true;
113 }
114 }
115
116 return false;
117 }
118
119 void server_startup_st::clear()
120 {
121 for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
122 {
123 delete *iter;
124 }
125 servers.clear();
126 }
127
128 bool server_startup_st::check() const
129 {
130 bool success= true;
131 for (std::vector<Server *>::const_iterator iter= servers.begin(); iter != servers.end(); ++iter)
132 {
133 if ((*iter)->check() == false)
134 {
135 success= false;
136 }
137 }
138
139 return success;
140 }
141
142 bool server_startup_st::shutdown()
143 {
144 bool success= true;
145 for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
146 {
147 if ((*iter)->has_pid() and (*iter)->kill() == false)
148 {
149 Error << "Unable to kill:" << *(*iter);
150 success= false;
151 }
152 }
153
154 return success;
155 }
156
157 void server_startup_st::restart()
158 {
159 for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
160 {
161 (*iter)->start();
162 }
163 }
164
165 #define MAGIC_MEMORY 123575
166 server_startup_st::server_startup_st() :
167 _magic(MAGIC_MEMORY),
168 _socket(false),
169 _sasl(false),
170 _count(0),
171 udp(0),
172 _servers_to_run(5)
173 { }
174
175 server_startup_st::~server_startup_st()
176 {
177 clear();
178 }
179
180 bool server_startup_st::validate()
181 {
182 return _magic == MAGIC_MEMORY;
183 }
184
185 bool server_startup(server_startup_st& construct, const std::string& server_type, in_port_t try_port, int argc, const char *argv[], const bool opt_startup_message)
186 {
187 return construct.start_server(server_type, try_port, argc, argv, opt_startup_message);
188 }
189
190 bool server_startup_st::start_server(const std::string& server_type, in_port_t try_port, int argc, const char *argv[], const bool opt_startup_message)
191 {
192 if (try_port <= 0)
193 {
194 throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
195 }
196
197 libtest::Server *server= NULL;
198 try {
199 if (0)
200 { }
201 else if (server_type.compare("gearmand") == 0)
202 {
203 if (GEARMAND_BINARY)
204 {
205 server= build_gearmand("localhost", try_port);
206 }
207 }
208 else if (server_type.compare("hostile-gearmand") == 0)
209 {
210 if (GEARMAND_BINARY)
211 {
212 server= build_gearmand("localhost", try_port, "gearmand/hostile_gearmand");
213 }
214 }
215 else if (server_type.compare("drizzled") == 0)
216 {
217 if (DRIZZLED_BINARY)
218 {
219 if (HAVE_LIBDRIZZLE)
220 {
221 server= build_drizzled("localhost", try_port);
222 }
223 }
224 }
225 else if (server_type.compare("blobslap_worker") == 0)
226 {
227 if (GEARMAND_BINARY)
228 {
229 if (GEARMAND_BLOBSLAP_WORKER)
230 {
231 if (HAVE_LIBGEARMAN)
232 {
233 server= build_blobslap_worker(try_port);
234 }
235 }
236 }
237 }
238 else if (server_type.compare("memcached") == 0)
239 {
240 if (HAVE_MEMCACHED_BINARY)
241 {
242 server= build_memcached("localhost", try_port);
243 }
244 }
245
246 if (server == NULL)
247 {
248 throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "Launching of an unknown server was attempted: %s", server_type.c_str());
249 }
250 }
251 catch (...)
252 {
253 throw;
254 }
255
256 try {
257 /*
258 We will now cycle the server we have created.
259 */
260 if (server->cycle() == false)
261 {
262 Error << "Could not start up server " << *server;
263 delete server;
264 return false;
265 }
266
267 server->build(argc, argv);
268
269 #if 0
270 if (false)
271 {
272 Out << "Pausing for startup, hit return when ready.";
273 std::string gdb_command= server->base_command();
274 getchar();
275 }
276 else
277 #endif
278
279 if (server->start() == false)
280 {
281 delete server;
282 return false;
283 }
284 else
285 {
286 if (opt_startup_message)
287 {
288 #if defined(DEBUG)
289 if (DEBUG)
290 {
291 Outn();
292 Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
293 Outn();
294 }
295 #endif
296 }
297 }
298 }
299 catch (libtest::disconnected& err)
300 {
301 if (fatal::is_disabled() == false and try_port != LIBTEST_FAIL_PORT)
302 {
303 stream::cerr(err.file(), err.line(), err.func()) << err.what();
304 delete server;
305 return false;
306 }
307 }
308 catch (...)
309 {
310 delete server;
311 throw;
312 }
313
314 push_server(server);
315
316 return true;
317 }
318
319 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc,
320 const char *argv[],
321 const bool opt_startup_message)
322 {
323 (void)try_port;
324 Outn();
325
326 Server *server= NULL;
327 try {
328 if (0)
329 { }
330 else if (server_type.compare("gearmand") == 0)
331 {
332 Error << "Socket files are not supported for gearmand yet";
333 }
334 else if (server_type.compare("memcached") == 0)
335 {
336 if (MEMCACHED_BINARY)
337 {
338 server= build_memcached_socket("localhost", try_port);
339 }
340 else
341 {
342 Error << "No memcached binary is available";
343 }
344 }
345 else
346 {
347 Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
348 }
349
350 if (server == NULL)
351 {
352 Error << "Failure occured while creating server: " << server_type;
353 return false;
354 }
355
356 /*
357 We will now cycle the server we have created.
358 */
359 if (server->cycle() == false)
360 {
361 Error << "Could not start up server " << *server;
362 delete server;
363 return false;
364 }
365
366 server->build(argc, argv);
367
368 #if 0
369 if (false)
370 {
371 Out << "Pausing for startup, hit return when ready.";
372 std::string gdb_command= server->base_command();
373 std::string options;
374 Out << "run " << server->args(options);
375 getchar();
376 }
377 else
378 #endif
379 if (server->start() == false)
380 {
381 Error << "Failed to start " << *server;
382 delete server;
383 return false;
384 }
385 else
386 {
387 if (opt_startup_message)
388 {
389 #if defined(DEBUG)
390 if (DEBUG)
391 {
392 Outn();
393 Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
394 Outn();
395 }
396 #endif
397 }
398 }
399 }
400 catch (...)
401 {
402 delete server;
403 throw;
404 }
405
406 push_server(server);
407
408 set_default_socket(server->socket().c_str());
409
410 Outn();
411
412 return true;
413 }
414
415 std::string server_startup_st::option_string() const
416 {
417 std::string temp= server_list;
418 rtrim(temp);
419 return temp;
420 }
421
422
423 } // namespace libtest