Free port logic
[awesomized/libmemcached] / libtest / server_container.cc
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * libtest
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 *
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.
11 *
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.
16 *
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
20 */
21
22 #include <libtest/common.h>
23
24 #include <cassert>
25 #include <cerrno>
26 #include <cstdlib>
27 #include <iostream>
28
29 #include <algorithm>
30 #include <functional>
31 #include <locale>
32
33 // trim from end
34 static inline std::string &rtrim(std::string &s)
35 {
36 s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
37 return s;
38 }
39
40 namespace libtest {
41
42 void server_startup_st::push_server(Server *arg)
43 {
44 servers.push_back(arg);
45
46 char port_str[NI_MAXSERV];
47 snprintf(port_str, sizeof(port_str), "%u", int(arg->port()));
48
49 std::string server_config_string;
50 if (arg->has_socket())
51 {
52 server_config_string+= "--socket=";
53 server_config_string+= '"';
54 server_config_string+= arg->socket();
55 server_config_string+= '"';
56 server_config_string+= " ";
57 }
58 else
59 {
60 server_config_string+= "--server=";
61 server_config_string+= arg->hostname();
62 server_config_string+= ":";
63 server_config_string+= port_str;
64 server_config_string+= " ";
65 }
66
67 server_list+= server_config_string;
68
69 }
70
71 Server* server_startup_st::pop_server()
72 {
73 Server *tmp= servers.back();
74 servers.pop_back();
75 return tmp;
76 }
77
78 bool server_startup_st::shutdown(uint32_t number_of_host)
79 {
80 if (servers.size() > number_of_host)
81 {
82 Server* tmp= servers[number_of_host];
83
84 if (tmp and tmp->has_pid() and not tmp->kill(tmp->pid()))
85 { }
86 else
87 {
88 return true;
89 }
90 }
91
92 return false;
93 }
94
95 void server_startup_st::shutdown_and_remove()
96 {
97 for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
98 {
99 delete *iter;
100 }
101 servers.clear();
102 }
103
104 void server_startup_st::shutdown()
105 {
106 for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
107 {
108 if ((*iter)->has_pid() and not (*iter)->kill((*iter)->pid()))
109 {
110 Error << "Unable to kill:" << *(*iter);
111 }
112 }
113 }
114
115 void server_startup_st::restart()
116 {
117 for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
118 {
119 (*iter)->start();
120 }
121 }
122
123 server_startup_st::~server_startup_st()
124 {
125 shutdown_and_remove();
126 }
127
128 bool server_startup_st::is_debug() const
129 {
130 return bool(getenv("LIBTEST_MANUAL_GDB"));
131 }
132
133 bool server_startup_st::is_valgrind() const
134 {
135 return bool(getenv("LIBTEST_MANUAL_VALGRIND"));
136 }
137
138 bool server_startup_st::is_helgrind() const
139 {
140 return bool(getenv("LIBTEST_MANUAL_HELGRIND"));
141 }
142
143
144 bool server_startup(server_startup_st& construct, const std::string& server_type, in_port_t try_port, int argc, const char *argv[])
145 {
146 Outn();
147 (void)try_port;
148
149 libtest::Server *server= NULL;
150 if (0)
151 { }
152 else if (server_type.compare("gearmand") == 0)
153 {
154 if (GEARMAND_BINARY)
155 {
156 if (HAVE_LIBGEARMAN)
157 {
158 server= build_gearmand("localhost", try_port);
159 }
160 }
161 }
162 else if (server_type.compare("blobslap_worker") == 0)
163 {
164 if (GEARMAND_BINARY)
165 {
166 if (GEARMAND_BLOBSLAP_WORKER)
167 {
168 if (HAVE_LIBGEARMAN)
169 {
170 server= build_blobslap_worker(try_port);
171 }
172 }
173 }
174 }
175 else if (server_type.compare("memcached-sasl") == 0)
176 {
177 if (MEMCACHED_SASL_BINARY)
178 {
179 if (HAVE_LIBMEMCACHED)
180 {
181 server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
182 }
183 }
184 }
185 else if (server_type.compare("memcached") == 0)
186 {
187 if (MEMCACHED_BINARY)
188 {
189 if (HAVE_LIBMEMCACHED)
190 {
191 server= build_memcached("localhost", try_port);
192 }
193 }
194 }
195
196 if (server == NULL)
197 {
198 Error << "Failure occured while creating server: " << server_type;
199 return false;
200 }
201
202 /*
203 We will now cycle the server we have created.
204 */
205 if (server->cycle() == false)
206 {
207 Error << "Could not start up server " << *server;
208 delete server;
209 return false;
210 }
211
212 server->build(argc, argv);
213
214 if (construct.is_debug())
215 {
216 Out << "Pausing for startup, hit return when ready.";
217 std::string gdb_command= server->base_command();
218 std::string options;
219 Out << "run " << server->args(options);
220 getchar();
221 }
222 else if (server->start() == false)
223 {
224 Error << "Failed to start " << *server;
225 delete server;
226 return false;
227 }
228 else
229 {
230 Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
231 }
232
233 construct.push_server(server);
234
235 Outn();
236
237 return true;
238 }
239
240 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
241 {
242 (void)try_port;
243 Outn();
244
245 Server *server= NULL;
246 if (0)
247 { }
248 else if (server_type.compare("gearmand") == 0)
249 {
250 Error << "Socket files are not supported for gearmand yet";
251 }
252 else if (server_type.compare("memcached-sasl") == 0)
253 {
254 if (MEMCACHED_SASL_BINARY)
255 {
256 if (HAVE_LIBMEMCACHED)
257 {
258 server= build_memcached_sasl_socket("localhost", try_port, username(), password());
259 }
260 else
261 {
262 Error << "Libmemcached was not found";
263 }
264 }
265 else
266 {
267 Error << "No memcached binary is available";
268 }
269 }
270 else if (server_type.compare("memcached") == 0)
271 {
272 if (MEMCACHED_BINARY)
273 {
274 if (HAVE_LIBMEMCACHED)
275 {
276 server= build_memcached_socket("localhost", try_port);
277 }
278 else
279 {
280 Error << "Libmemcached was not found";
281 }
282 }
283 else
284 {
285 Error << "No memcached binary is available";
286 }
287 }
288 else
289 {
290 Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
291 }
292
293 if (server == NULL)
294 {
295 Error << "Failure occured while creating server: " << server_type;
296 return false;
297 }
298
299 /*
300 We will now cycle the server we have created.
301 */
302 if (not server->cycle())
303 {
304 Error << "Could not start up server " << *server;
305 delete server;
306 return false;
307 }
308
309 server->build(argc, argv);
310
311 if (is_debug())
312 {
313 Out << "Pausing for startup, hit return when ready.";
314 std::string gdb_command= server->base_command();
315 std::string options;
316 Out << "run " << server->args(options);
317 getchar();
318 }
319 else if (not server->start())
320 {
321 Error << "Failed to start " << *server;
322 delete server;
323 return false;
324 }
325 else
326 {
327 Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
328 }
329
330 push_server(server);
331
332 set_default_socket(server->socket().c_str());
333
334 Outn();
335
336 return true;
337 }
338
339 std::string server_startup_st::option_string() const
340 {
341 std::string temp= server_list;
342 rtrim(temp);
343 return temp;
344 }
345
346
347 } // namespace libtest