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   assert(servers.size() > number_of_host);
  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   (void)try_port;
 149
 150   set_max_port(try_port);
 151
 152   // Look to see if we are being provided ports to use
 153   {
 154     char variable_buffer[1024];
 155     snprintf(variable_buffer, sizeof(variable_buffer), "LIBTEST_PORT_%lu", (unsigned long)construct.count());
 156
 157     char *var;
 158     if ((var= getenv(variable_buffer)))
 159     {
 160       in_port_t tmp= in_port_t(atoi(var));
 161
 162       if (tmp > 0)
 163         try_port= tmp;
 164     }
 165   }
 166
 167   libtest::Server *server= NULL;
 168   if (0)
 169   { }
 170   else if (server_type.compare("gearmand") == 0)
 171   {
 172     if (GEARMAND_BINARY)
 173     {
 174       if (HAVE_LIBGEARMAN)
 175       {
 176         server= build_gearmand("localhost", try_port);
 177       }
 178       else
 179       {
 180         Error << "Libgearman was not found";
 181       }
 182     }
 183     else
 184     {
 185       Error << "No gearmand binary is available";
 186     }
 187   }
 188   else if (server_type.compare("blobslap_worker") == 0)
 189   {
 190     if (GEARMAND_BINARY and GEARMAND_BLOBSLAP_WORKER)
 191     {
 192       if (HAVE_LIBGEARMAN)
 193       {
 194         server= build_blobslap_worker(try_port);
 195       }
 196       else
 197       {
 198         Error << "Libgearman was not found";
 199       }
 200     }
 201     else
 202     {
 203       Error << "No gearmand binary is available";
 204     }
 205   }
 206   else if (server_type.compare("memcached-sasl") == 0)
 207   {
 208     if (MEMCACHED_SASL_BINARY)
 209     {
 210       if (HAVE_LIBMEMCACHED)
 211       {
 212         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 213       }
 214       else
 215       {
 216         Error << "Libmemcached was not found";
 217       }
 218     }
 219     else
 220     {
 221       Error << "No memcached binary that was compiled with sasl is available";
 222     }
 223   }
 224   else if (server_type.compare("memcached") == 0)
 225   {
 226     if (MEMCACHED_BINARY)
 227     {
 228       if (HAVE_LIBMEMCACHED)
 229       {
 230         server= build_memcached("localhost", try_port);
 231       }
 232       else
 233       {
 234         Error << "Libmemcached was not found";
 235       }
 236     }
 237     else
 238     {
 239       Error << "No memcached binary is available";
 240     }
 241   }
 242   else
 243   {
 244     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 245   }
 246
 247   if (server == NULL)
 248   {
 249     Error << "Failure occured while creating server: " <<  server_type;
 250     return false;
 251   }
 252
 253   /*
 254     We will now cycle the server we have created.
 255   */
 256   if (not server->cycle())
 257   {
 258     Error << "Could not start up server " << *server;
 259     delete server;
 260     return false;
 261   }
 262
 263   server->build(argc, argv);
 264
 265   if (construct.is_debug())
 266   {
 267     Out << "Pausing for startup, hit return when ready.";
 268     std::string gdb_command= server->base_command();
 269     std::string options;
 270     Out << "run " << server->args(options);
 271     getchar();
 272   }
 273   else if (not server->start())
 274   {
 275     Error << "Failed to start " << *server;
 276     delete server;
 277     return false;
 278   }
 279   else
 280   {
 281     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 282   }
 283
 284   construct.push_server(server);
 285
 286   if (default_port() == 0)
 287   {
 288     assert(server->has_port());
 289     set_default_port(server->port());
 290   }
 291
 292   Outn();
 293
 294   return true;
 295 }
 296
 297 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 298 {
 299   (void)try_port;
 300   Outn();
 301
 302   Server *server= NULL;
 303   if (0)
 304   { }
 305   else if (server_type.compare("gearmand") == 0)
 306   {
 307     Error << "Socket files are not supported for gearmand yet";
 308   }
 309   else if (server_type.compare("memcached-sasl") == 0)
 310   {
 311     if (MEMCACHED_SASL_BINARY)
 312     {
 313       if (HAVE_LIBMEMCACHED)
 314       {
 315         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 316       }
 317       else
 318       {
 319         Error << "Libmemcached was not found";
 320       }
 321     }
 322     else
 323     {
 324       Error << "No memcached binary is available";
 325     }
 326   }
 327   else if (server_type.compare("memcached") == 0)
 328   {
 329     if (MEMCACHED_BINARY)
 330     {
 331       if (HAVE_LIBMEMCACHED)
 332       {
 333         server= build_memcached_socket("localhost", try_port);
 334       }
 335       else
 336       {
 337         Error << "Libmemcached was not found";
 338       }
 339     }
 340     else
 341     {
 342       Error << "No memcached binary is available";
 343     }
 344   }
 345   else
 346   {
 347     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 348   }
 349
 350   if (server == NULL)
 351   {
 352     Error << "Failure occured while creating server: " <<  server_type;
 353     return false;
 354   }
 355
 356   /*
 357     We will now cycle the server we have created.
 358   */
 359   if (not server->cycle())
 360   {
 361     Error << "Could not start up server " << *server;
 362     delete server;
 363     return false;
 364   }
 365
 366   server->build(argc, argv);
 367
 368   if (is_debug())
 369   {
 370     Out << "Pausing for startup, hit return when ready.";
 371     std::string gdb_command= server->base_command();
 372     std::string options;
 373     Out << "run " << server->args(options);
 374     getchar();
 375   }
 376   else if (not server->start())
 377   {
 378     Error << "Failed to start " << *server;
 379     delete server;
 380     return false;
 381   }
 382   else
 383   {
 384     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 385   }
 386
 387   push_server(server);
 388
 389   set_default_socket(server->socket().c_str());
 390
 391   Outn();
 392
 393   return true;
 394 }
 395
 396 std::string server_startup_st::option_string() const
 397 {
 398   std::string temp= server_list;
 399   rtrim(temp);
 400   return temp;
 401 }
 402
 403
 404 } // namespace libtest