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