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