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