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   for (std::vector<Server *>::const_iterator iter= servers.begin(); iter != servers.end(); iter++)
 108   {
 109     if ((*iter)->check()  == false)
 110     {
 111       return false;
 112     }
 113   }
 114
 115   return true;
 116 }
 117
 118 void server_startup_st::shutdown()
 119 {
 120   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 121   {
 122     if ((*iter)->has_pid() and (*iter)->kill() == false)
 123     {
 124       Error << "Unable to kill:" <<  *(*iter);
 125     }
 126   }
 127 }
 128
 129 void server_startup_st::restart()
 130 {
 131   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 132   {
 133     (*iter)->start();
 134   }
 135 }
 136
 137 #define MAGIC_MEMORY 123575
 138 server_startup_st::server_startup_st() :
 139   _magic(MAGIC_MEMORY),
 140   _socket(false),
 141   _sasl(false),
 142   _count(5),
 143   udp(0)
 144 { }
 145
 146 server_startup_st::~server_startup_st()
 147 {
 148   shutdown_and_remove();
 149 }
 150
 151 bool server_startup_st::validate()
 152 {
 153   return _magic == MAGIC_MEMORY;
 154 }
 155
 156
 157 bool server_startup_st::is_debug() const
 158 {
 159   return bool(getenv("LIBTEST_MANUAL_GDB"));
 160 }
 161
 162 bool server_startup_st::is_valgrind() const
 163 {
 164   return bool(getenv("LIBTEST_MANUAL_VALGRIND"));
 165 }
 166
 167 bool server_startup_st::is_helgrind() const
 168 {
 169   return bool(getenv("LIBTEST_MANUAL_HELGRIND"));
 170 }
 171
 172
 173 bool server_startup(server_startup_st& construct, const std::string& server_type, in_port_t try_port, int argc, const char *argv[])
 174 {
 175   Outn();
 176   if (try_port <= 0)
 177   {
 178     libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
 179   }
 180
 181   libtest::Server *server= NULL;
 182   if (0)
 183   { }
 184   else if (server_type.compare("gearmand") == 0)
 185   {
 186     if (GEARMAND_BINARY)
 187     {
 188       if (HAVE_LIBGEARMAN)
 189       {
 190         server= build_gearmand("localhost", try_port);
 191       }
 192     }
 193   }
 194   else if (server_type.compare("blobslap_worker") == 0)
 195   {
 196     if (GEARMAND_BINARY)
 197     {
 198       if (GEARMAND_BLOBSLAP_WORKER)
 199       {
 200         if (HAVE_LIBGEARMAN)
 201         {
 202           server= build_blobslap_worker(try_port);
 203         }
 204       }
 205     }
 206   }
 207   else if (server_type.compare("memcached-sasl") == 0)
 208   {
 209     if (MEMCACHED_SASL_BINARY)
 210     {
 211       if (HAVE_LIBMEMCACHED)
 212       {
 213         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 214       }
 215     }
 216   }
 217   else if (server_type.compare("memcached") == 0)
 218   {
 219     if (MEMCACHED_BINARY)
 220     {
 221       if (HAVE_LIBMEMCACHED)
 222       {
 223         server= build_memcached("localhost", try_port);
 224       }
 225     }
 226   }
 227   else if (server_type.compare("memcached-light") == 0)
 228   {
 229     if (MEMCACHED_LIGHT_BINARY)
 230     {
 231       if (HAVE_LIBMEMCACHED)
 232       {
 233         server= build_memcached_light("localhost", try_port);
 234       }
 235     }
 236   }
 237
 238   if (server == NULL)
 239   {
 240     fatal_message("Launching of an unknown server was attempted");
 241   }
 242
 243   /*
 244     We will now cycle the server we have created.
 245   */
 246   if (server->cycle() == false)
 247   {
 248     Error << "Could not start up server " << *server;
 249     delete server;
 250     return false;
 251   }
 252
 253   server->build(argc, argv);
 254
 255   if (construct.is_debug())
 256   {
 257     Out << "Pausing for startup, hit return when ready.";
 258     std::string gdb_command= server->base_command();
 259     std::string options;
 260 #if 0
 261     Out << "run " << server->args(options);
 262 #endif
 263     getchar();
 264   }
 265   else if (server->start() == false)
 266   {
 267     delete server;
 268     return false;
 269   }
 270   else
 271   {
 272     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 273   }
 274
 275   construct.push_server(server);
 276
 277   Outn();
 278
 279   return true;
 280 }
 281
 282 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 283 {
 284   (void)try_port;
 285   Outn();
 286
 287   Server *server= NULL;
 288   if (0)
 289   { }
 290   else if (server_type.compare("gearmand") == 0)
 291   {
 292     Error << "Socket files are not supported for gearmand yet";
 293   }
 294   else if (server_type.compare("memcached-sasl") == 0)
 295   {
 296     if (MEMCACHED_SASL_BINARY)
 297     {
 298       if (HAVE_LIBMEMCACHED)
 299       {
 300         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 301       }
 302       else
 303       {
 304         Error << "Libmemcached was not found";
 305       }
 306     }
 307     else
 308     {
 309       Error << "No memcached binary is available";
 310     }
 311   }
 312   else if (server_type.compare("memcached") == 0)
 313   {
 314     if (MEMCACHED_BINARY)
 315     {
 316       if (HAVE_LIBMEMCACHED)
 317       {
 318         server= build_memcached_socket("localhost", try_port);
 319       }
 320       else
 321       {
 322         Error << "Libmemcached was not found";
 323       }
 324     }
 325     else
 326     {
 327       Error << "No memcached binary is available";
 328     }
 329   }
 330   else
 331   {
 332     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 333   }
 334
 335   if (server == NULL)
 336   {
 337     Error << "Failure occured while creating server: " <<  server_type;
 338     return false;
 339   }
 340
 341   /*
 342     We will now cycle the server we have created.
 343   */
 344   if (server->cycle() == false)
 345   {
 346     Error << "Could not start up server " << *server;
 347     delete server;
 348     return false;
 349   }
 350
 351   server->build(argc, argv);
 352
 353   if (is_debug())
 354   {
 355     Out << "Pausing for startup, hit return when ready.";
 356     std::string gdb_command= server->base_command();
 357     std::string options;
 358 #if 0
 359     Out << "run " << server->args(options);
 360 #endif
 361     getchar();
 362   }
 363   else if (not server->start())
 364   {
 365     Error << "Failed to start " << *server;
 366     delete server;
 367     return false;
 368   }
 369   else
 370   {
 371     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 372   }
 373
 374   push_server(server);
 375
 376   set_default_socket(server->socket().c_str());
 377
 378   Outn();
 379
 380   return true;
 381 }
 382
 383 std::string server_startup_st::option_string() const
 384 {
 385   std::string temp= server_list;
 386   rtrim(temp);
 387   return temp;
 388 }
 389
 390
 391 } // namespace libtest