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     }
 179   }
 180   else if (server_type.compare("blobslap_worker") == 0)
 181   {
 182     if (GEARMAND_BINARY)
 183     {
 184       if (GEARMAND_BLOBSLAP_WORKER)
 185       {
 186         if (HAVE_LIBGEARMAN)
 187         {
 188           server= build_blobslap_worker(try_port);
 189         }
 190       }
 191     }
 192   }
 193   else if (server_type.compare("memcached-sasl") == 0)
 194   {
 195     if (MEMCACHED_SASL_BINARY)
 196     {
 197       if (HAVE_LIBMEMCACHED)
 198       {
 199         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 200       }
 201     }
 202   }
 203   else if (server_type.compare("memcached") == 0)
 204   {
 205     if (MEMCACHED_BINARY)
 206     {
 207       if (HAVE_LIBMEMCACHED)
 208       {
 209         server= build_memcached("localhost", try_port);
 210       }
 211     }
 212   }
 213
 214   if (server == NULL)
 215   {
 216     Error << "Failure occured while creating server: " <<  server_type;
 217     return false;
 218   }
 219
 220   /*
 221     We will now cycle the server we have created.
 222   */
 223   if (server->cycle() == false)
 224   {
 225     Error << "Could not start up server " << *server;
 226     delete server;
 227     return false;
 228   }
 229
 230   server->build(argc, argv);
 231
 232   if (construct.is_debug())
 233   {
 234     Out << "Pausing for startup, hit return when ready.";
 235     std::string gdb_command= server->base_command();
 236     std::string options;
 237     Out << "run " << server->args(options);
 238     getchar();
 239   }
 240   else if (server->start() == false)
 241   {
 242     Error << "Failed to start " << *server;
 243     delete server;
 244     return false;
 245   }
 246   else
 247   {
 248     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 249   }
 250
 251   construct.push_server(server);
 252
 253   if (default_port() == 0)
 254   {
 255     assert(server->has_port());
 256     set_default_port(server->port());
 257   }
 258
 259   Outn();
 260
 261   return true;
 262 }
 263
 264 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 265 {
 266   (void)try_port;
 267   Outn();
 268
 269   Server *server= NULL;
 270   if (0)
 271   { }
 272   else if (server_type.compare("gearmand") == 0)
 273   {
 274     Error << "Socket files are not supported for gearmand yet";
 275   }
 276   else if (server_type.compare("memcached-sasl") == 0)
 277   {
 278     if (MEMCACHED_SASL_BINARY)
 279     {
 280       if (HAVE_LIBMEMCACHED)
 281       {
 282         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 283       }
 284       else
 285       {
 286         Error << "Libmemcached was not found";
 287       }
 288     }
 289     else
 290     {
 291       Error << "No memcached binary is available";
 292     }
 293   }
 294   else if (server_type.compare("memcached") == 0)
 295   {
 296     if (MEMCACHED_BINARY)
 297     {
 298       if (HAVE_LIBMEMCACHED)
 299       {
 300         server= build_memcached_socket("localhost", try_port);
 301       }
 302       else
 303       {
 304         Error << "Libmemcached was not found";
 305       }
 306     }
 307     else
 308     {
 309       Error << "No memcached binary is available";
 310     }
 311   }
 312   else
 313   {
 314     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 315   }
 316
 317   if (server == NULL)
 318   {
 319     Error << "Failure occured while creating server: " <<  server_type;
 320     return false;
 321   }
 322
 323   /*
 324     We will now cycle the server we have created.
 325   */
 326   if (not server->cycle())
 327   {
 328     Error << "Could not start up server " << *server;
 329     delete server;
 330     return false;
 331   }
 332
 333   server->build(argc, argv);
 334
 335   if (is_debug())
 336   {
 337     Out << "Pausing for startup, hit return when ready.";
 338     std::string gdb_command= server->base_command();
 339     std::string options;
 340     Out << "run " << server->args(options);
 341     getchar();
 342   }
 343   else if (not server->start())
 344   {
 345     Error << "Failed to start " << *server;
 346     delete server;
 347     return false;
 348   }
 349   else
 350   {
 351     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 352   }
 353
 354   push_server(server);
 355
 356   set_default_socket(server->socket().c_str());
 357
 358   Outn();
 359
 360   return true;
 361 }
 362
 363 std::string server_startup_st::option_string() const
 364 {
 365   std::string temp= server_list;
 366   rtrim(temp);
 367   return temp;
 368 }
 369
 370
 371 } // namespace libtest