git.m6w6.name Git - m6w6/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 <libtest/common.h>
  23
  24 #include <cassert>
  25 #include <cerrno>
  26 #include <cstdlib>
  27 #include <iostream>
  28
  29 #include <algorithm>
  30 #include <functional>
  31 #include <locale>
  32
  33 // trim from end
  34 static inline std::string &rtrim(std::string &s)
  35 {
  36   s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
  37   return s;
  38 }
  39
  40 namespace libtest {
  41
  42 void server_startup_st::push_server(Server *arg)
  43 {
  44   servers.push_back(arg);
  45
  46   char port_str[NI_MAXSERV];
  47   snprintf(port_str, sizeof(port_str), "%u", int(arg->port()));
  48
  49   std::string server_config_string;
  50   if (arg->has_socket())
  51   {
  52     server_config_string+= "--socket=";
  53     server_config_string+= '"';
  54     server_config_string+= arg->socket();
  55     server_config_string+= '"';
  56     server_config_string+= " ";
  57   }
  58   else
  59   {
  60     server_config_string+= "--server=";
  61     server_config_string+= arg->hostname();
  62     server_config_string+= ":";
  63     server_config_string+= port_str;
  64     server_config_string+= " ";
  65   }
  66
  67   server_list+= server_config_string;
  68
  69 }
  70
  71 Server* server_startup_st::pop_server()
  72 {
  73   Server *tmp= servers.back();
  74   servers.pop_back();
  75   return tmp;
  76 }
  77
  78 void server_startup_st::shutdown(bool remove)
  79 {
  80   if (remove)
  81   {
  82     for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
  83     {
  84       delete *iter;
  85     }
  86     servers.clear();
  87   }
  88   else
  89   {
  90     for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
  91     {
  92       if ((*iter)->has_pid() and not (*iter)->kill((*iter)->pid()))
  93       {
  94         Error << "Unable to kill:" <<  *(*iter);
  95       }
  96     }
  97   }
  98 }
  99
 100 server_startup_st::~server_startup_st()
 101 {
 102   shutdown(true);
 103 }
 104
 105 bool server_startup_st::is_debug() const
 106 {
 107   return bool(getenv("LIBTEST_MANUAL_GDB"));
 108 }
 109
 110 bool server_startup_st::is_valgrind() const
 111 {
 112   return bool(getenv("LIBTEST_MANUAL_VALGRIND"));
 113 }
 114
 115 bool server_startup_st::is_helgrind() const
 116 {
 117   return bool(getenv("LIBTEST_MANUAL_HELGRIND"));
 118 }
 119
 120
 121 bool server_startup(server_startup_st& construct, const std::string& server_type, in_port_t try_port, int argc, const char *argv[])
 122 {
 123   Outn();
 124   (void)try_port;
 125
 126   // Look to see if we are being provided ports to use
 127   {
 128     char variable_buffer[1024];
 129     snprintf(variable_buffer, sizeof(variable_buffer), "LIBTEST_PORT_%lu", (unsigned long)construct.count());
 130
 131     char *var;
 132     if ((var= getenv(variable_buffer)))
 133     {
 134       in_port_t tmp= in_port_t(atoi(var));
 135
 136       if (tmp > 0)
 137         try_port= tmp;
 138     }
 139   }
 140
 141   libtest::Server *server= NULL;
 142   if (0)
 143   { }
 144   else if (server_type.compare("gearmand") == 0)
 145   {
 146     if (GEARMAND_BINARY)
 147     {
 148       if (HAVE_LIBGEARMAN)
 149       {
 150         server= build_gearmand("localhost", try_port);
 151       }
 152       else
 153       {
 154         Error << "Libgearman was not found";
 155       }
 156     }
 157     else
 158     {
 159       Error << "No gearmand binary is available";
 160     }
 161   }
 162   else if (server_type.compare("blobslap_worker") == 0)
 163   {
 164     if (GEARMAND_BINARY and GEARMAND_BLOBSLAP_WORKER)
 165     {
 166       if (HAVE_LIBGEARMAN)
 167       {
 168         server= build_blobslap_worker(try_port);
 169       }
 170       else
 171       {
 172         Error << "Libgearman was not found";
 173       }
 174     }
 175     else
 176     {
 177       Error << "No gearmand binary is available";
 178     }
 179   }
 180   else if (server_type.compare("memcached-sasl") == 0)
 181   {
 182     if (MEMCACHED_SASL_BINARY)
 183     {
 184       if (HAVE_LIBMEMCACHED)
 185       {
 186         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 187       }
 188       else
 189       {
 190         Error << "Libmemcached was not found";
 191       }
 192     }
 193     else
 194     {
 195       Error << "No memcached binary that was compiled with sasl is available";
 196     }
 197   }
 198   else if (server_type.compare("memcached") == 0)
 199   {
 200     if (MEMCACHED_BINARY)
 201     {
 202       if (HAVE_LIBMEMCACHED)
 203       {
 204         server= build_memcached("localhost", try_port);
 205       }
 206       else
 207       {
 208         Error << "Libmemcached was not found";
 209       }
 210     }
 211     else
 212     {
 213       Error << "No memcached binary is available";
 214     }
 215   }
 216   else
 217   {
 218     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 219   }
 220
 221   if (server == NULL)
 222   {
 223     Error << "Failure occured while creating server: " <<  server_type;
 224     return false;
 225   }
 226
 227   /*
 228     We will now cycle the server we have created.
 229   */
 230   if (not server->cycle())
 231   {
 232     Error << "Could not start up server " << *server;
 233     delete server;
 234     return false;
 235   }
 236
 237   server->build(argc, argv);
 238
 239   if (construct.is_debug())
 240   {
 241     Out << "Pausing for startup, hit return when ready.";
 242     std::string gdb_command= server->base_command();
 243     std::string options;
 244     Out << "run " << server->args(options);
 245     getchar();
 246   }
 247   else if (not server->start())
 248   {
 249     Error << "Failed to start " << *server;
 250     delete server;
 251     return false;
 252   }
 253   else
 254   {
 255     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 256   }
 257
 258   construct.push_server(server);
 259
 260   if (default_port() == 0)
 261   {
 262     assert(server->has_port());
 263     set_default_port(server->port());
 264   }
 265
 266   Outn();
 267
 268   return true;
 269 }
 270
 271 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 272 {
 273   (void)try_port;
 274   Outn();
 275
 276   Server *server= NULL;
 277   if (0)
 278   { }
 279   else if (server_type.compare("gearmand") == 0)
 280   {
 281     Error << "Socket files are not supported for gearmand yet";
 282   }
 283   else if (server_type.compare("memcached-sasl") == 0)
 284   {
 285     if (MEMCACHED_SASL_BINARY)
 286     {
 287       if (HAVE_LIBMEMCACHED)
 288       {
 289         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 290       }
 291       else
 292       {
 293         Error << "Libmemcached was not found";
 294       }
 295     }
 296     else
 297     {
 298       Error << "No memcached binary is available";
 299     }
 300   }
 301   else if (server_type.compare("memcached") == 0)
 302   {
 303     if (MEMCACHED_BINARY)
 304     {
 305       if (HAVE_LIBMEMCACHED)
 306       {
 307         server= build_memcached_socket("localhost", try_port);
 308       }
 309       else
 310       {
 311         Error << "Libmemcached was not found";
 312       }
 313     }
 314     else
 315     {
 316       Error << "No memcached binary is available";
 317     }
 318   }
 319   else
 320   {
 321     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 322   }
 323
 324   if (server == NULL)
 325   {
 326     Error << "Failure occured while creating server: " <<  server_type;
 327     return false;
 328   }
 329
 330   /*
 331     We will now cycle the server we have created.
 332   */
 333   if (not server->cycle())
 334   {
 335     Error << "Could not start up server " << *server;
 336     delete server;
 337     return false;
 338   }
 339
 340   server->build(argc, argv);
 341
 342   if (is_debug())
 343   {
 344     Out << "Pausing for startup, hit return when ready.";
 345     std::string gdb_command= server->base_command();
 346     std::string options;
 347     Out << "run " << server->args(options);
 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