git.m6w6.name Git - awesomized/libmemcached/blob - 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 <config.h>
  23 #include <libtest/common.h>
  24
  25 #include <cassert>
  26 #include <cerrno>
  27 #include <cstdlib>
  28 #include <iostream>
  29
  30 #include <algorithm>
  31 #include <functional>
  32 #include <locale>
  33
  34 // trim from end
  35 static inline std::string &rtrim(std::string &s)
  36 {
  37   s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
  38   return s;
  39 }
  40
  41 namespace libtest {
  42
  43 void server_startup_st::push_server(Server *arg)
  44 {
  45   servers.push_back(arg);
  46
  47   char port_str[NI_MAXSERV];
  48   snprintf(port_str, sizeof(port_str), "%u", int(arg->port()));
  49
  50   std::string server_config_string;
  51   if (arg->has_socket())
  52   {
  53     server_config_string+= "--socket=";
  54     server_config_string+= '"';
  55     server_config_string+= arg->socket();
  56     server_config_string+= '"';
  57     server_config_string+= " ";
  58   }
  59   else
  60   {
  61     server_config_string+= "--server=";
  62     server_config_string+= arg->hostname();
  63     server_config_string+= ":";
  64     server_config_string+= port_str;
  65     server_config_string+= " ";
  66   }
  67
  68   server_list+= server_config_string;
  69
  70 }
  71
  72 Server* server_startup_st::pop_server()
  73 {
  74   Server *tmp= servers.back();
  75   servers.pop_back();
  76   return tmp;
  77 }
  78
  79 bool server_startup_st::shutdown(uint32_t number_of_host)
  80 {
  81   if (servers.size() > number_of_host)
  82   {
  83     Server* tmp= servers[number_of_host];
  84
  85     if (tmp and tmp->has_pid() and tmp->kill() == false)
  86     { }
  87     else
  88     {
  89       return true;
  90     }
  91   }
  92
  93   return false;
  94 }
  95
  96 void server_startup_st::shutdown_and_remove()
  97 {
  98   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
  99   {
 100     delete *iter;
 101   }
 102   servers.clear();
 103 }
 104
 105 bool server_startup_st::check() const
 106 {
 107   bool success= true;
 108   for (std::vector<Server *>::const_iterator iter= servers.begin(); iter != servers.end(); iter++)
 109   {
 110     if ((*iter)->check()  == false)
 111     {
 112       success= false;
 113     }
 114   }
 115
 116   return success;
 117 }
 118
 119 bool server_startup_st::shutdown()
 120 {
 121   bool success= true;
 122   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 123   {
 124     if ((*iter)->has_pid() and (*iter)->kill() == false)
 125     {
 126       Error << "Unable to kill:" <<  *(*iter);
 127       success= false;
 128     }
 129   }
 130
 131   return success;
 132 }
 133
 134 void server_startup_st::restart()
 135 {
 136   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 137   {
 138     (*iter)->start();
 139   }
 140 }
 141
 142 #define MAGIC_MEMORY 123575
 143 server_startup_st::server_startup_st() :
 144   _magic(MAGIC_MEMORY),
 145   _socket(false),
 146   _sasl(false),
 147   _count(0),
 148   udp(0),
 149   _servers_to_run(5)
 150 { }
 151
 152 server_startup_st::~server_startup_st()
 153 {
 154   shutdown_and_remove();
 155 }
 156
 157 bool server_startup_st::validate()
 158 {
 159   return _magic == MAGIC_MEMORY;
 160 }
 161
 162 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)
 163 {
 164   if (try_port <= 0)
 165   {
 166     throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
 167   }
 168
 169   libtest::Server *server= NULL;
 170   if (0)
 171   { }
 172   else if (server_type.compare("gearmand") == 0)
 173   {
 174     if (GEARMAND_BINARY)
 175     {
 176       if (HAVE_LIBGEARMAN)
 177       {
 178         server= build_gearmand("localhost", try_port);
 179       }
 180     }
 181   }
 182   else if (server_type.compare("blobslap_worker") == 0)
 183   {
 184     if (GEARMAND_BINARY)
 185     {
 186       if (GEARMAND_BLOBSLAP_WORKER)
 187       {
 188         if (HAVE_LIBGEARMAN)
 189         {
 190           server= build_blobslap_worker(try_port);
 191         }
 192       }
 193     }
 194   }
 195   else if (server_type.compare("memcached-sasl") == 0)
 196   {
 197     if (MEMCACHED_SASL_BINARY)
 198     {
 199       if (HAVE_LIBMEMCACHED)
 200       {
 201         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 202       }
 203     }
 204   }
 205   else if (server_type.compare("memcached") == 0)
 206   {
 207     if (MEMCACHED_BINARY)
 208     {
 209       if (HAVE_LIBMEMCACHED)
 210       {
 211         server= build_memcached("localhost", try_port);
 212       }
 213     }
 214   }
 215   else if (server_type.compare("memcached-light") == 0)
 216   {
 217     if (MEMCACHED_LIGHT_BINARY)
 218     {
 219       if (HAVE_LIBMEMCACHED)
 220       {
 221         server= build_memcached_light("localhost", try_port);
 222       }
 223     }
 224   }
 225
 226   if (server == NULL)
 227   {
 228     fatal_message("Launching of an unknown server was attempted");
 229   }
 230
 231   /*
 232     We will now cycle the server we have created.
 233   */
 234   if (server->cycle() == false)
 235   {
 236     Error << "Could not start up server " << *server;
 237     delete server;
 238     return false;
 239   }
 240
 241   server->build(argc, argv);
 242
 243   if (gdb_is_caller() and false)
 244   {
 245     Out << "Pausing for startup, hit return when ready.";
 246     std::string gdb_command= server->base_command();
 247     std::string options;
 248 #if 0
 249     Out << "run " << server->args(options);
 250 #endif
 251     getchar();
 252   }
 253   else if (server->start() == false)
 254   {
 255     delete server;
 256     return false;
 257   }
 258   else
 259   {
 260     if (opt_startup_message)
 261     {
 262       Outn();
 263       Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 264       Outn();
 265     }
 266   }
 267
 268   construct.push_server(server);
 269
 270   return true;
 271 }
 272
 273 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 274 {
 275   (void)try_port;
 276   Outn();
 277
 278   Server *server= NULL;
 279   if (0)
 280   { }
 281   else if (server_type.compare("gearmand") == 0)
 282   {
 283     Error << "Socket files are not supported for gearmand yet";
 284   }
 285   else if (server_type.compare("memcached-sasl") == 0)
 286   {
 287     if (MEMCACHED_SASL_BINARY)
 288     {
 289       if (HAVE_LIBMEMCACHED)
 290       {
 291         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 292       }
 293       else
 294       {
 295         Error << "Libmemcached was not found";
 296       }
 297     }
 298     else
 299     {
 300       Error << "No memcached binary is available";
 301     }
 302   }
 303   else if (server_type.compare("memcached") == 0)
 304   {
 305     if (MEMCACHED_BINARY)
 306     {
 307       if (HAVE_LIBMEMCACHED)
 308       {
 309         server= build_memcached_socket("localhost", try_port);
 310       }
 311       else
 312       {
 313         Error << "Libmemcached was not found";
 314       }
 315     }
 316     else
 317     {
 318       Error << "No memcached binary is available";
 319     }
 320   }
 321   else
 322   {
 323     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 324   }
 325
 326   if (server == NULL)
 327   {
 328     Error << "Failure occured while creating server: " <<  server_type;
 329     return false;
 330   }
 331
 332   /*
 333     We will now cycle the server we have created.
 334   */
 335   if (server->cycle() == false)
 336   {
 337     Error << "Could not start up server " << *server;
 338     delete server;
 339     return false;
 340   }
 341
 342   server->build(argc, argv);
 343
 344   if (gdb_is_caller() and false)
 345   {
 346     Out << "Pausing for startup, hit return when ready.";
 347     std::string gdb_command= server->base_command();
 348     std::string options;
 349 #if 0
 350     Out << "run " << server->args(options);
 351 #endif
 352     getchar();
 353   }
 354   else if (server->start() == false)
 355   {
 356     Error << "Failed to start " << *server;
 357     delete server;
 358     return false;
 359   }
 360   else
 361   {
 362     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 363   }
 364
 365   push_server(server);
 366
 367   set_default_socket(server->socket().c_str());
 368
 369   Outn();
 370
 371   return true;
 372 }
 373
 374 std::string server_startup_st::option_string() const
 375 {
 376   std::string temp= server_list;
 377   rtrim(temp);
 378   return temp;
 379 }
 380
 381
 382 } // namespace libtest