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 not tmp->kill(tmp->pid()))
  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 void server_startup_st::shutdown()
 106 {
 107   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 108   {
 109     if ((*iter)->has_pid() and not (*iter)->kill((*iter)->pid()))
 110     {
 111       Error << "Unable to kill:" <<  *(*iter);
 112     }
 113   }
 114 }
 115
 116 void server_startup_st::restart()
 117 {
 118   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 119   {
 120     (*iter)->start();
 121   }
 122 }
 123
 124 #define MAGIC_MEMORY 123575
 125 server_startup_st::server_startup_st() :
 126   _magic(MAGIC_MEMORY),
 127   _socket(false),
 128   _sasl(false),
 129   _count(5),
 130   udp(0)
 131 { }
 132
 133 server_startup_st::~server_startup_st()
 134 {
 135   shutdown_and_remove();
 136 }
 137
 138 bool server_startup_st::validate()
 139 {
 140   return _magic == MAGIC_MEMORY;
 141 }
 142
 143
 144 bool server_startup_st::is_debug() const
 145 {
 146   return bool(getenv("LIBTEST_MANUAL_GDB"));
 147 }
 148
 149 bool server_startup_st::is_valgrind() const
 150 {
 151   return bool(getenv("LIBTEST_MANUAL_VALGRIND"));
 152 }
 153
 154 bool server_startup_st::is_helgrind() const
 155 {
 156   return bool(getenv("LIBTEST_MANUAL_HELGRIND"));
 157 }
 158
 159
 160 bool server_startup(server_startup_st& construct, const std::string& server_type, in_port_t try_port, int argc, const char *argv[])
 161 {
 162   Outn();
 163   if (try_port <= 0)
 164   {
 165     libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
 166   }
 167
 168   libtest::Server *server= NULL;
 169   if (0)
 170   { }
 171   else if (server_type.compare("gearmand") == 0)
 172   {
 173     if (GEARMAND_BINARY)
 174     {
 175       if (HAVE_LIBGEARMAN)
 176       {
 177         server= build_gearmand("localhost", try_port);
 178       }
 179     }
 180   }
 181   else if (server_type.compare("blobslap_worker") == 0)
 182   {
 183     if (GEARMAND_BINARY)
 184     {
 185       if (GEARMAND_BLOBSLAP_WORKER)
 186       {
 187         if (HAVE_LIBGEARMAN)
 188         {
 189           server= build_blobslap_worker(try_port);
 190         }
 191       }
 192     }
 193   }
 194   else if (server_type.compare("memcached-sasl") == 0)
 195   {
 196     if (MEMCACHED_SASL_BINARY)
 197     {
 198       if (HAVE_LIBMEMCACHED)
 199       {
 200         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 201       }
 202     }
 203   }
 204   else if (server_type.compare("memcached") == 0)
 205   {
 206     if (MEMCACHED_BINARY)
 207     {
 208       if (HAVE_LIBMEMCACHED)
 209       {
 210         server= build_memcached("localhost", try_port);
 211       }
 212     }
 213   }
 214   else if (server_type.compare("memcached-light") == 0)
 215   {
 216     if (MEMCACHED_LIGHT_BINARY)
 217     {
 218       if (HAVE_LIBMEMCACHED)
 219       {
 220         server= build_memcached_light("localhost", try_port);
 221       }
 222     }
 223   }
 224
 225   if (server == NULL)
 226   {
 227     fatal_message("Launching of an unknown server was attempted");
 228   }
 229
 230   /*
 231     We will now cycle the server we have created.
 232   */
 233   if (server->cycle() == false)
 234   {
 235     Error << "Could not start up server " << *server;
 236     delete server;
 237     return false;
 238   }
 239
 240   server->build(argc, argv);
 241
 242   if (construct.is_debug())
 243   {
 244     Out << "Pausing for startup, hit return when ready.";
 245     std::string gdb_command= server->base_command();
 246     std::string options;
 247 #if 0
 248     Out << "run " << server->args(options);
 249 #endif
 250     getchar();
 251   }
 252   else if (server->start() == false)
 253   {
 254     delete server;
 255     return false;
 256   }
 257   else
 258   {
 259     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 260   }
 261
 262   construct.push_server(server);
 263
 264   Outn();
 265
 266   return true;
 267 }
 268
 269 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 270 {
 271   (void)try_port;
 272   Outn();
 273
 274   Server *server= NULL;
 275   if (0)
 276   { }
 277   else if (server_type.compare("gearmand") == 0)
 278   {
 279     Error << "Socket files are not supported for gearmand yet";
 280   }
 281   else if (server_type.compare("memcached-sasl") == 0)
 282   {
 283     if (MEMCACHED_SASL_BINARY)
 284     {
 285       if (HAVE_LIBMEMCACHED)
 286       {
 287         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 288       }
 289       else
 290       {
 291         Error << "Libmemcached was not found";
 292       }
 293     }
 294     else
 295     {
 296       Error << "No memcached binary is available";
 297     }
 298   }
 299   else if (server_type.compare("memcached") == 0)
 300   {
 301     if (MEMCACHED_BINARY)
 302     {
 303       if (HAVE_LIBMEMCACHED)
 304       {
 305         server= build_memcached_socket("localhost", try_port);
 306       }
 307       else
 308       {
 309         Error << "Libmemcached was not found";
 310       }
 311     }
 312     else
 313     {
 314       Error << "No memcached binary is available";
 315     }
 316   }
 317   else
 318   {
 319     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 320   }
 321
 322   if (server == NULL)
 323   {
 324     Error << "Failure occured while creating server: " <<  server_type;
 325     return false;
 326   }
 327
 328   /*
 329     We will now cycle the server we have created.
 330   */
 331   if (not server->cycle())
 332   {
 333     Error << "Could not start up server " << *server;
 334     delete server;
 335     return false;
 336   }
 337
 338   server->build(argc, argv);
 339
 340   if (is_debug())
 341   {
 342     Out << "Pausing for startup, hit return when ready.";
 343     std::string gdb_command= server->base_command();
 344     std::string options;
 345 #if 0
 346     Out << "run " << server->args(options);
 347 #endif
 348     getchar();
 349   }
 350   else if (not server->start())
 351   {
 352     Error << "Failed to start " << *server;
 353     delete server;
 354     return false;
 355   }
 356   else
 357   {
 358     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 359   }
 360
 361   push_server(server);
 362
 363   set_default_socket(server->socket().c_str());
 364
 365   Outn();
 366
 367   return true;
 368 }
 369
 370 std::string server_startup_st::option_string() const
 371 {
 372   std::string temp= server_list;
 373   rtrim(temp);
 374   return temp;
 375 }
 376
 377
 378 } // namespace libtest