git.m6w6.name Git - m6w6/libmemcached/blob - 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,
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  29  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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  31  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  33  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  *
  35  */
  36
  37 #include <config.h>
  38 #include <libtest/common.h>
  39
  40 #include <cassert>
  41 #include <cerrno>
  42 #include <cstdlib>
  43 #include <iostream>
  44
  45 #include <algorithm>
  46 #include <functional>
  47 #include <locale>
  48
  49 // trim from end
  50 static inline std::string &rtrim(std::string &s)
  51 {
  52   s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
  53   return s;
  54 }
  55
  56 namespace libtest {
  57
  58 void server_startup_st::push_server(Server *arg)
  59 {
  60   servers.push_back(arg);
  61
  62   char port_str[NI_MAXSERV];
  63   snprintf(port_str, sizeof(port_str), "%u", int(arg->port()));
  64
  65   std::string server_config_string;
  66   if (arg->has_socket())
  67   {
  68     server_config_string+= "--socket=";
  69     server_config_string+= '"';
  70     server_config_string+= arg->socket();
  71     server_config_string+= '"';
  72     server_config_string+= " ";
  73   }
  74   else
  75   {
  76     server_config_string+= "--server=";
  77     server_config_string+= arg->hostname();
  78     server_config_string+= ":";
  79     server_config_string+= port_str;
  80     server_config_string+= " ";
  81   }
  82
  83   server_list+= server_config_string;
  84
  85 }
  86
  87 Server* server_startup_st::pop_server()
  88 {
  89   Server *tmp= servers.back();
  90   servers.pop_back();
  91   return tmp;
  92 }
  93
  94 bool server_startup_st::shutdown(uint32_t number_of_host)
  95 {
  96   if (servers.size() > number_of_host)
  97   {
  98     Server* tmp= servers[number_of_host];
  99
 100     if (tmp and tmp->has_pid() and tmp->kill() == false)
 101     { }
 102     else
 103     {
 104       return true;
 105     }
 106   }
 107
 108   return false;
 109 }
 110
 111 void server_startup_st::shutdown_and_remove()
 112 {
 113   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 114   {
 115     delete *iter;
 116   }
 117   servers.clear();
 118 }
 119
 120 bool server_startup_st::check() const
 121 {
 122   bool success= true;
 123   for (std::vector<Server *>::const_iterator iter= servers.begin(); iter != servers.end(); iter++)
 124   {
 125     if ((*iter)->check()  == false)
 126     {
 127       success= false;
 128     }
 129   }
 130
 131   return success;
 132 }
 133
 134 bool server_startup_st::shutdown()
 135 {
 136   bool success= true;
 137   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 138   {
 139     if ((*iter)->has_pid() and (*iter)->kill() == false)
 140     {
 141       Error << "Unable to kill:" <<  *(*iter);
 142       success= false;
 143     }
 144   }
 145
 146   return success;
 147 }
 148
 149 void server_startup_st::restart()
 150 {
 151   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 152   {
 153     (*iter)->start();
 154   }
 155 }
 156
 157 #define MAGIC_MEMORY 123575
 158 server_startup_st::server_startup_st() :
 159   _magic(MAGIC_MEMORY),
 160   _socket(false),
 161   _sasl(false),
 162   _count(0),
 163   udp(0),
 164   _servers_to_run(5)
 165 { }
 166
 167 server_startup_st::~server_startup_st()
 168 {
 169   shutdown_and_remove();
 170 }
 171
 172 bool server_startup_st::validate()
 173 {
 174   return _magic == MAGIC_MEMORY;
 175 }
 176
 177 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)
 178 {
 179   if (try_port <= 0)
 180   {
 181     throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
 182   }
 183
 184   libtest::Server *server= NULL;
 185   if (0)
 186   { }
 187   else if (server_type.compare("gearmand") == 0)
 188   {
 189     if (GEARMAND_BINARY)
 190     {
 191       if (HAVE_LIBGEARMAN)
 192       {
 193         server= build_gearmand("localhost", try_port);
 194       }
 195     }
 196   }
 197   else if (server_type.compare("drizzled") == 0)
 198   {
 199     if (DRIZZLED_BINARY)
 200     {
 201       if (HAVE_LIBDRIZZLE)
 202       {
 203         server= build_drizzled("localhost", try_port);
 204       }
 205     }
 206   }
 207   else if (server_type.compare("blobslap_worker") == 0)
 208   {
 209     if (GEARMAND_BINARY)
 210     {
 211       if (GEARMAND_BLOBSLAP_WORKER)
 212       {
 213         if (HAVE_LIBGEARMAN)
 214         {
 215           server= build_blobslap_worker(try_port);
 216         }
 217       }
 218     }
 219   }
 220   else if (server_type.compare("memcached-sasl") == 0)
 221   {
 222     if (MEMCACHED_SASL_BINARY)
 223     {
 224       if (HAVE_LIBMEMCACHED)
 225       {
 226         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 227       }
 228     }
 229   }
 230   else if (server_type.compare("memcached") == 0)
 231   {
 232     if (MEMCACHED_BINARY)
 233     {
 234       if (HAVE_LIBMEMCACHED)
 235       {
 236         server= build_memcached("localhost", try_port);
 237       }
 238     }
 239   }
 240   else if (server_type.compare("memcached-light") == 0)
 241   {
 242     if (MEMCACHED_LIGHT_BINARY)
 243     {
 244       if (HAVE_LIBMEMCACHED)
 245       {
 246         server= build_memcached_light("localhost", try_port);
 247       }
 248     }
 249   }
 250
 251   if (server == NULL)
 252   {
 253     fatal_message("Launching of an unknown server was attempted");
 254   }
 255
 256   /*
 257     We will now cycle the server we have created.
 258   */
 259   if (server->cycle() == false)
 260   {
 261     Error << "Could not start up server " << *server;
 262     delete server;
 263     return false;
 264   }
 265
 266   server->build(argc, argv);
 267
 268   if (false)
 269   {
 270     Out << "Pausing for startup, hit return when ready.";
 271     std::string gdb_command= server->base_command();
 272     std::string options;
 273 #if 0
 274     Out << "run " << server->args(options);
 275 #endif
 276     getchar();
 277   }
 278   else if (server->start() == false)
 279   {
 280     delete server;
 281     return false;
 282   }
 283   else
 284   {
 285     if (opt_startup_message)
 286     {
 287       Outn();
 288       Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 289       Outn();
 290     }
 291   }
 292
 293   construct.push_server(server);
 294
 295   return true;
 296 }
 297
 298 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 299 {
 300   (void)try_port;
 301   Outn();
 302
 303   Server *server= NULL;
 304   if (0)
 305   { }
 306   else if (server_type.compare("gearmand") == 0)
 307   {
 308     Error << "Socket files are not supported for gearmand yet";
 309   }
 310   else if (server_type.compare("memcached-sasl") == 0)
 311   {
 312     if (MEMCACHED_SASL_BINARY)
 313     {
 314       if (HAVE_LIBMEMCACHED)
 315       {
 316         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 317       }
 318       else
 319       {
 320         Error << "Libmemcached was not found";
 321       }
 322     }
 323     else
 324     {
 325       Error << "No memcached binary is available";
 326     }
 327   }
 328   else if (server_type.compare("memcached") == 0)
 329   {
 330     if (MEMCACHED_BINARY)
 331     {
 332       if (HAVE_LIBMEMCACHED)
 333       {
 334         server= build_memcached_socket("localhost", try_port);
 335       }
 336       else
 337       {
 338         Error << "Libmemcached was not found";
 339       }
 340     }
 341     else
 342     {
 343       Error << "No memcached binary is available";
 344     }
 345   }
 346   else
 347   {
 348     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 349   }
 350
 351   if (server == NULL)
 352   {
 353     Error << "Failure occured while creating server: " <<  server_type;
 354     return false;
 355   }
 356
 357   /*
 358     We will now cycle the server we have created.
 359   */
 360   if (server->cycle() == false)
 361   {
 362     Error << "Could not start up server " << *server;
 363     delete server;
 364     return false;
 365   }
 366
 367   server->build(argc, argv);
 368
 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 #if 0
 375     Out << "run " << server->args(options);
 376 #endif
 377     getchar();
 378   }
 379   else if (server->start() == false)
 380   {
 381     Error << "Failed to start " << *server;
 382     delete server;
 383     return false;
 384   }
 385   else
 386   {
 387     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 388   }
 389
 390   push_server(server);
 391
 392   set_default_socket(server->socket().c_str());
 393
 394   Outn();
 395
 396   return true;
 397 }
 398
 399 std::string server_startup_st::option_string() const
 400 {
 401   std::string temp= server_list;
 402   rtrim(temp);
 403   return temp;
 404 }
 405
 406
 407 } // namespace libtest