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
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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.
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  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 Server* server_startup_st::last()
  59 {
  60   return servers.back();
  61 }
  62
  63 void server_startup_st::push_server(Server *arg)
  64 {
  65   servers.push_back(arg);
  66
  67   std::string server_config_string;
  68   if (arg->has_socket())
  69   {
  70     server_config_string+= "--socket=";
  71     server_config_string+= '"';
  72     server_config_string+= arg->socket();
  73     server_config_string+= '"';
  74     server_config_string+= " ";
  75   }
  76   else
  77   {
  78     char port_str[NI_MAXSERV]= { 0 };
  79     snprintf(port_str, sizeof(port_str), "%u", int(arg->port()));
  80
  81     server_config_string+= "--server=";
  82     server_config_string+= arg->hostname();
  83     server_config_string+= ":";
  84     server_config_string+= port_str;
  85     server_config_string+= " ";
  86   }
  87
  88   server_list+= server_config_string;
  89
  90 }
  91
  92 Server* server_startup_st::pop_server()
  93 {
  94   Server *tmp= servers.back();
  95   servers.pop_back();
  96   return tmp;
  97 }
  98
  99 // host_to_shutdown => host number to shutdown in array
 100 bool server_startup_st::shutdown(uint32_t host_to_shutdown)
 101 {
 102   if (servers.size() > host_to_shutdown)
 103   {
 104     Server* tmp= servers[host_to_shutdown];
 105
 106     if (tmp and tmp->kill() == false)
 107     { }
 108     else
 109     {
 110       return true;
 111     }
 112   }
 113
 114   return false;
 115 }
 116
 117 void server_startup_st::clear()
 118 {
 119   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
 120   {
 121     delete *iter;
 122   }
 123   servers.clear();
 124 }
 125
 126 bool server_startup_st::check() const
 127 {
 128   bool success= true;
 129   for (std::vector<Server *>::const_iterator iter= servers.begin(); iter != servers.end(); ++iter)
 130   {
 131     if ((*iter)->check()  == false)
 132     {
 133       success= false;
 134     }
 135   }
 136
 137   return success;
 138 }
 139
 140 bool server_startup_st::shutdown()
 141 {
 142   bool success= true;
 143   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
 144   {
 145     if ((*iter)->has_pid() and (*iter)->kill() == false)
 146     {
 147       Error << "Unable to kill:" <<  *(*iter);
 148       success= false;
 149     }
 150   }
 151
 152   return success;
 153 }
 154
 155 void server_startup_st::restart()
 156 {
 157   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
 158   {
 159     (*iter)->start();
 160   }
 161 }
 162
 163 #define MAGIC_MEMORY 123575
 164 server_startup_st::server_startup_st() :
 165   _magic(MAGIC_MEMORY),
 166   _socket(false),
 167   _sasl(false),
 168   _count(0),
 169   udp(0),
 170   _servers_to_run(5)
 171 { }
 172
 173 server_startup_st::~server_startup_st()
 174 {
 175   clear();
 176 }
 177
 178 bool server_startup_st::validate()
 179 {
 180   return _magic == MAGIC_MEMORY;
 181 }
 182
 183 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)
 184 {
 185   return construct.start_server(server_type, try_port, argc, argv, opt_startup_message);
 186 }
 187
 188 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)
 189 {
 190   if (try_port <= 0)
 191   {
 192     throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
 193   }
 194
 195   libtest::Server *server= NULL;
 196   try {
 197     if (0)
 198     { }
 199     else if (server_type.compare("gearmand") == 0)
 200     {
 201       if (GEARMAND_BINARY)
 202       {
 203         if (HAVE_LIBGEARMAN)
 204         {
 205           server= build_gearmand("localhost", try_port);
 206         }
 207       }
 208     }
 209     else if (server_type.compare("hostile-gearmand") == 0)
 210     {
 211       if (GEARMAND_BINARY)
 212       {
 213         if (HAVE_LIBGEARMAN)
 214         {
 215           server= build_gearmand("localhost", try_port, "gearmand/hostile_gearmand");
 216         }
 217       }
 218     }
 219     else if (server_type.compare("drizzled") == 0)
 220     {
 221       if (DRIZZLED_BINARY)
 222       {
 223         if (HAVE_LIBDRIZZLE)
 224         {
 225           server= build_drizzled("localhost", try_port);
 226         }
 227       }
 228     }
 229     else if (server_type.compare("blobslap_worker") == 0)
 230     {
 231       if (GEARMAND_BINARY)
 232       {
 233         if (GEARMAND_BLOBSLAP_WORKER)
 234         {
 235           if (HAVE_LIBGEARMAN)
 236           {
 237             server= build_blobslap_worker(try_port);
 238           }
 239         }
 240       }
 241     }
 242     else if (server_type.compare("memcached-sasl") == 0)
 243     {
 244       if (MEMCACHED_SASL_BINARY)
 245       {
 246         if (HAVE_LIBMEMCACHED)
 247         {
 248           server= build_memcached_sasl("localhost", try_port, username(), password());
 249         }
 250       }
 251     }
 252     else if (server_type.compare("memcached") == 0)
 253     {
 254       if (HAVE_MEMCACHED_BINARY)
 255       {
 256         if (HAVE_LIBMEMCACHED)
 257         {
 258           server= build_memcached("localhost", try_port);
 259         }
 260       }
 261     }
 262     else if (server_type.compare("memcached-light") == 0)
 263     {
 264       if (MEMCACHED_LIGHT_BINARY)
 265       {
 266         if (HAVE_LIBMEMCACHED)
 267         {
 268           server= build_memcached_light("localhost", try_port);
 269         }
 270       }
 271     }
 272
 273     if (server == NULL)
 274     {
 275       throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "Launching of an unknown server was attempted: %s", server_type.c_str());
 276     }
 277
 278     /*
 279       We will now cycle the server we have created.
 280     */
 281     if (server->cycle() == false)
 282     {
 283       Error << "Could not start up server " << *server;
 284       delete server;
 285       return false;
 286     }
 287
 288     server->build(argc, argv);
 289
 290 #if 0
 291     if (false)
 292     {
 293       Out << "Pausing for startup, hit return when ready.";
 294       std::string gdb_command= server->base_command();
 295       getchar();
 296     }
 297     else
 298 #endif
 299       if (server->start() == false)
 300     {
 301       delete server;
 302       return false;
 303     }
 304     else
 305     {
 306       if (opt_startup_message)
 307       {
 308         Outn();
 309         Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 310         Outn();
 311       }
 312     }
 313   }
 314   catch (libtest::disconnected err)
 315   {
 316     stream::cerr(err.file(), err.line(), err.func()) << err.what();
 317     delete server;
 318     return false;
 319   }
 320   catch (...)
 321   {
 322     delete server;
 323     throw;
 324   }
 325
 326   push_server(server);
 327
 328   return true;
 329 }
 330
 331 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc,
 332                                             const char *argv[],
 333                                             const bool opt_startup_message)
 334 {
 335   (void)try_port;
 336   Outn();
 337
 338   Server *server= NULL;
 339   try {
 340     if (0)
 341     { }
 342     else if (server_type.compare("gearmand") == 0)
 343     {
 344       Error << "Socket files are not supported for gearmand yet";
 345     }
 346     else if (server_type.compare("memcached-sasl") == 0)
 347     {
 348       if (MEMCACHED_SASL_BINARY)
 349       {
 350         if (HAVE_LIBMEMCACHED)
 351         {
 352           server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 353         }
 354         else
 355         {
 356           Error << "Libmemcached was not found";
 357         }
 358       }
 359       else
 360       {
 361         Error << "No memcached binary is available";
 362       }
 363     }
 364     else if (server_type.compare("memcached") == 0)
 365     {
 366       if (MEMCACHED_BINARY)
 367       {
 368         if (HAVE_LIBMEMCACHED)
 369         {
 370           server= build_memcached_socket("localhost", try_port);
 371         }
 372         else
 373         {
 374           Error << "Libmemcached was not found";
 375         }
 376       }
 377       else
 378       {
 379         Error << "No memcached binary is available";
 380       }
 381     }
 382     else
 383     {
 384       Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 385     }
 386
 387     if (server == NULL)
 388     {
 389       Error << "Failure occured while creating server: " <<  server_type;
 390       return false;
 391     }
 392
 393     /*
 394       We will now cycle the server we have created.
 395     */
 396     if (server->cycle() == false)
 397     {
 398       Error << "Could not start up server " << *server;
 399       delete server;
 400       return false;
 401     }
 402
 403     server->build(argc, argv);
 404
 405 #if 0
 406     if (false)
 407     {
 408       Out << "Pausing for startup, hit return when ready.";
 409       std::string gdb_command= server->base_command();
 410       std::string options;
 411       Out << "run " << server->args(options);
 412       getchar();
 413     }
 414     else
 415 #endif
 416       if (server->start() == false)
 417     {
 418       Error << "Failed to start " << *server;
 419       delete server;
 420       return false;
 421     }
 422     else
 423     {
 424       if (opt_startup_message)
 425       {
 426         Outn();
 427         Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 428         Outn();
 429       }
 430     }
 431   }
 432   catch (...)
 433   {
 434     delete server;
 435     throw;
 436   }
 437
 438   push_server(server);
 439
 440   set_default_socket(server->socket().c_str());
 441
 442   Outn();
 443
 444   return true;
 445 }
 446
 447 std::string server_startup_st::option_string() const
 448 {
 449   std::string temp= server_list;
 450   rtrim(temp);
 451   return temp;
 452 }
 453
 454
 455 } // namespace libtest