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 <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("drizzled") == 0)
 183   {
 184     if (DRIZZLED_BINARY)
 185     {
 186       if (HAVE_LIBDRIZZLE)
 187       {
 188         server= build_drizzled("localhost", try_port);
 189       }
 190     }
 191   }
 192   else if (server_type.compare("blobslap_worker") == 0)
 193   {
 194     if (GEARMAND_BINARY)
 195     {
 196       if (GEARMAND_BLOBSLAP_WORKER)
 197       {
 198         if (HAVE_LIBGEARMAN)
 199         {
 200           server= build_blobslap_worker(try_port);
 201         }
 202       }
 203     }
 204   }
 205   else if (server_type.compare("memcached-sasl") == 0)
 206   {
 207     if (MEMCACHED_SASL_BINARY)
 208     {
 209       if (HAVE_LIBMEMCACHED)
 210       {
 211         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 212       }
 213     }
 214   }
 215   else if (server_type.compare("memcached") == 0)
 216   {
 217     if (MEMCACHED_BINARY)
 218     {
 219       if (HAVE_LIBMEMCACHED)
 220       {
 221         server= build_memcached("localhost", try_port);
 222       }
 223     }
 224   }
 225   else if (server_type.compare("memcached-light") == 0)
 226   {
 227     if (MEMCACHED_LIGHT_BINARY)
 228     {
 229       if (HAVE_LIBMEMCACHED)
 230       {
 231         server= build_memcached_light("localhost", try_port);
 232       }
 233     }
 234   }
 235
 236   if (server == NULL)
 237   {
 238     fatal_message("Launching of an unknown server was attempted");
 239   }
 240
 241   /*
 242     We will now cycle the server we have created.
 243   */
 244   if (server->cycle() == false)
 245   {
 246     Error << "Could not start up server " << *server;
 247     delete server;
 248     return false;
 249   }
 250
 251   server->build(argc, argv);
 252
 253   if (false)
 254   {
 255     Out << "Pausing for startup, hit return when ready.";
 256     std::string gdb_command= server->base_command();
 257     std::string options;
 258 #if 0
 259     Out << "run " << server->args(options);
 260 #endif
 261     getchar();
 262   }
 263   else if (server->start() == false)
 264   {
 265     delete server;
 266     return false;
 267   }
 268   else
 269   {
 270     if (opt_startup_message)
 271     {
 272       Outn();
 273       Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 274       Outn();
 275     }
 276   }
 277
 278   construct.push_server(server);
 279
 280   return true;
 281 }
 282
 283 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 284 {
 285   (void)try_port;
 286   Outn();
 287
 288   Server *server= NULL;
 289   if (0)
 290   { }
 291   else if (server_type.compare("gearmand") == 0)
 292   {
 293     Error << "Socket files are not supported for gearmand yet";
 294   }
 295   else if (server_type.compare("memcached-sasl") == 0)
 296   {
 297     if (MEMCACHED_SASL_BINARY)
 298     {
 299       if (HAVE_LIBMEMCACHED)
 300       {
 301         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 302       }
 303       else
 304       {
 305         Error << "Libmemcached was not found";
 306       }
 307     }
 308     else
 309     {
 310       Error << "No memcached binary is available";
 311     }
 312   }
 313   else if (server_type.compare("memcached") == 0)
 314   {
 315     if (MEMCACHED_BINARY)
 316     {
 317       if (HAVE_LIBMEMCACHED)
 318       {
 319         server= build_memcached_socket("localhost", try_port);
 320       }
 321       else
 322       {
 323         Error << "Libmemcached was not found";
 324       }
 325     }
 326     else
 327     {
 328       Error << "No memcached binary is available";
 329     }
 330   }
 331   else
 332   {
 333     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 334   }
 335
 336   if (server == NULL)
 337   {
 338     Error << "Failure occured while creating server: " <<  server_type;
 339     return false;
 340   }
 341
 342   /*
 343     We will now cycle the server we have created.
 344   */
 345   if (server->cycle() == false)
 346   {
 347     Error << "Could not start up server " << *server;
 348     delete server;
 349     return false;
 350   }
 351
 352   server->build(argc, argv);
 353
 354   if (false)
 355   {
 356     Out << "Pausing for startup, hit return when ready.";
 357     std::string gdb_command= server->base_command();
 358     std::string options;
 359 #if 0
 360     Out << "run " << server->args(options);
 361 #endif
 362     getchar();
 363   }
 364   else if (server->start() == false)
 365   {
 366     Error << "Failed to start " << *server;
 367     delete server;
 368     return false;
 369   }
 370   else
 371   {
 372     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 373   }
 374
 375   push_server(server);
 376
 377   set_default_socket(server->socket().c_str());
 378
 379   Outn();
 380
 381   return true;
 382 }
 383
 384 std::string server_startup_st::option_string() const
 385 {
 386   std::string temp= server_list;
 387   rtrim(temp);
 388   return temp;
 389 }
 390
 391
 392 } // namespace libtest