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 <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 bool server_startup_st::shutdown(uint32_t number_of_host)
  79 {
  80   if (servers.size() > number_of_host)
  81   {
  82     Server* tmp= servers[number_of_host];
  83
  84     if (tmp and tmp->has_pid() and not tmp->kill(tmp->pid()))
  85     { }
  86     else
  87     {
  88       return true;
  89     }
  90   }
  91
  92   return false;
  93 }
  94
  95 void server_startup_st::shutdown_and_remove()
  96 {
  97   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
  98   {
  99     delete *iter;
 100   }
 101   servers.clear();
 102 }
 103
 104 void server_startup_st::shutdown()
 105 {
 106   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 107   {
 108     if ((*iter)->has_pid() and not (*iter)->kill((*iter)->pid()))
 109     {
 110       Error << "Unable to kill:" <<  *(*iter);
 111     }
 112   }
 113 }
 114
 115 void server_startup_st::restart()
 116 {
 117   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 118   {
 119     (*iter)->start();
 120   }
 121 }
 122
 123 server_startup_st::~server_startup_st()
 124 {
 125   shutdown_and_remove();
 126 }
 127
 128 bool server_startup_st::is_debug() const
 129 {
 130   return bool(getenv("LIBTEST_MANUAL_GDB"));
 131 }
 132
 133 bool server_startup_st::is_valgrind() const
 134 {
 135   return bool(getenv("LIBTEST_MANUAL_VALGRIND"));
 136 }
 137
 138 bool server_startup_st::is_helgrind() const
 139 {
 140   return bool(getenv("LIBTEST_MANUAL_HELGRIND"));
 141 }
 142
 143
 144 bool server_startup(server_startup_st& construct, const std::string& server_type, in_port_t try_port, int argc, const char *argv[])
 145 {
 146   Outn();
 147   (void)try_port;
 148
 149   set_max_port(try_port);
 150
 151   // Look to see if we are being provided ports to use
 152   {
 153     char variable_buffer[1024];
 154     snprintf(variable_buffer, sizeof(variable_buffer), "LIBTEST_PORT_%lu", (unsigned long)construct.count());
 155
 156     char *var;
 157     if ((var= getenv(variable_buffer)))
 158     {
 159       in_port_t tmp= in_port_t(atoi(var));
 160
 161       if (tmp > 0)
 162         try_port= tmp;
 163     }
 164   }
 165
 166   libtest::Server *server= NULL;
 167   if (0)
 168   { }
 169   else if (server_type.compare("gearmand") == 0)
 170   {
 171     if (GEARMAND_BINARY)
 172     {
 173       if (HAVE_LIBGEARMAN)
 174       {
 175         server= build_gearmand("localhost", try_port);
 176       }
 177     }
 178   }
 179   else if (server_type.compare("blobslap_worker") == 0)
 180   {
 181     if (GEARMAND_BINARY)
 182     {
 183       if (GEARMAND_BLOBSLAP_WORKER)
 184       {
 185         if (HAVE_LIBGEARMAN)
 186         {
 187           server= build_blobslap_worker(try_port);
 188         }
 189       }
 190     }
 191   }
 192   else if (server_type.compare("memcached-sasl") == 0)
 193   {
 194     if (MEMCACHED_SASL_BINARY)
 195     {
 196       if (HAVE_LIBMEMCACHED)
 197       {
 198         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 199       }
 200     }
 201   }
 202   else if (server_type.compare("memcached") == 0)
 203   {
 204     if (MEMCACHED_BINARY)
 205     {
 206       if (HAVE_LIBMEMCACHED)
 207       {
 208         server= build_memcached("localhost", try_port);
 209       }
 210     }
 211   }
 212
 213   if (server == NULL)
 214   {
 215     Error << "Failure occured while creating server: " <<  server_type;
 216     return false;
 217   }
 218
 219   /*
 220     We will now cycle the server we have created.
 221   */
 222   if (server->cycle() == false)
 223   {
 224     Error << "Could not start up server " << *server;
 225     delete server;
 226     return false;
 227   }
 228
 229   server->build(argc, argv);
 230
 231   if (construct.is_debug())
 232   {
 233     Out << "Pausing for startup, hit return when ready.";
 234     std::string gdb_command= server->base_command();
 235     std::string options;
 236     Out << "run " << server->args(options);
 237     getchar();
 238   }
 239   else if (server->start() == false)
 240   {
 241     Error << "Failed to start " << *server;
 242     delete server;
 243     return false;
 244   }
 245   else
 246   {
 247     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 248   }
 249
 250   construct.push_server(server);
 251
 252   if (default_port() == 0)
 253   {
 254     assert(server->has_port());
 255     set_default_port(server->port());
 256   }
 257
 258   Outn();
 259
 260   return true;
 261 }
 262
 263 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 264 {
 265   (void)try_port;
 266   Outn();
 267
 268   Server *server= NULL;
 269   if (0)
 270   { }
 271   else if (server_type.compare("gearmand") == 0)
 272   {
 273     Error << "Socket files are not supported for gearmand yet";
 274   }
 275   else if (server_type.compare("memcached-sasl") == 0)
 276   {
 277     if (MEMCACHED_SASL_BINARY)
 278     {
 279       if (HAVE_LIBMEMCACHED)
 280       {
 281         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 282       }
 283       else
 284       {
 285         Error << "Libmemcached was not found";
 286       }
 287     }
 288     else
 289     {
 290       Error << "No memcached binary is available";
 291     }
 292   }
 293   else if (server_type.compare("memcached") == 0)
 294   {
 295     if (MEMCACHED_BINARY)
 296     {
 297       if (HAVE_LIBMEMCACHED)
 298       {
 299         server= build_memcached_socket("localhost", try_port);
 300       }
 301       else
 302       {
 303         Error << "Libmemcached was not found";
 304       }
 305     }
 306     else
 307     {
 308       Error << "No memcached binary is available";
 309     }
 310   }
 311   else
 312   {
 313     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 314   }
 315
 316   if (server == NULL)
 317   {
 318     Error << "Failure occured while creating server: " <<  server_type;
 319     return false;
 320   }
 321
 322   /*
 323     We will now cycle the server we have created.
 324   */
 325   if (not server->cycle())
 326   {
 327     Error << "Could not start up server " << *server;
 328     delete server;
 329     return false;
 330   }
 331
 332   server->build(argc, argv);
 333
 334   if (is_debug())
 335   {
 336     Out << "Pausing for startup, hit return when ready.";
 337     std::string gdb_command= server->base_command();
 338     std::string options;
 339     Out << "run " << server->args(options);
 340     getchar();
 341   }
 342   else if (not server->start())
 343   {
 344     Error << "Failed to start " << *server;
 345     delete server;
 346     return false;
 347   }
 348   else
 349   {
 350     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 351   }
 352
 353   push_server(server);
 354
 355   set_default_socket(server->socket().c_str());
 356
 357   Outn();
 358
 359   return true;
 360 }
 361
 362 std::string server_startup_st::option_string() const
 363 {
 364   std::string temp= server_list;
 365   rtrim(temp);
 366   return temp;
 367 }
 368
 369
 370 } // namespace libtest