git.m6w6.name Git - awesomized/libmemcached/blob - libtest/server_container.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Data Differential YATL (i.e. libtest)  library
   4  *
   5  *  Copyright (C) 2012 Data Differential, http://datadifferential.com/
   6  *
   7  *  Redistribution and use in source and binary forms, with or without
   8  *  modification, are permitted provided that the following conditions are
   9  *  met:
  10  *
  11  *      * Redistributions of source code must retain the above copyright
  12  *  notice, this list of conditions and the following disclaimer.
  13  *
  14  *      * Redistributions in binary form must reproduce the above
  15  *  copyright notice, this list of conditions and the following disclaimer
  16  *  in the documentation and/or other materials provided with the
  17  *  distribution.
  18  *
  19  *      * The names of its contributors may not be used to endorse or
  20  *  promote products derived from this software without specific prior
  21  *  written permission.
  22  *
  23  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  24  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  25  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  26  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  27  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  29  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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  31  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  *
  35  */
  36
  37 #include <config.h>
  38 #include <libtest/common.h>
  39
  40 #include <cassert>
  41 #include <cerrno>
  42 #include <cstdlib>
  43 #include <iostream>
  44
  45 #include <algorithm>
  46 #include <functional>
  47 #include <locale>
  48
  49 // trim from end
  50 static inline std::string &rtrim(std::string &s)
  51 {
  52   s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
  53   return s;
  54 }
  55
  56 namespace libtest {
  57
  58 void server_startup_st::push_server(Server *arg)
  59 {
  60   servers.push_back(arg);
  61
  62   char port_str[NI_MAXSERV];
  63   snprintf(port_str, sizeof(port_str), "%u", int(arg->port()));
  64
  65   std::string server_config_string;
  66   if (arg->has_socket())
  67   {
  68     server_config_string+= "--socket=";
  69     server_config_string+= '"';
  70     server_config_string+= arg->socket();
  71     server_config_string+= '"';
  72     server_config_string+= " ";
  73   }
  74   else
  75   {
  76     server_config_string+= "--server=";
  77     server_config_string+= arg->hostname();
  78     server_config_string+= ":";
  79     server_config_string+= port_str;
  80     server_config_string+= " ";
  81   }
  82
  83   server_list+= server_config_string;
  84
  85 }
  86
  87 Server* server_startup_st::pop_server()
  88 {
  89   Server *tmp= servers.back();
  90   servers.pop_back();
  91   return tmp;
  92 }
  93
  94 // host_to_shutdown => host number to shutdown in array
  95 bool server_startup_st::shutdown(uint32_t host_to_shutdown)
  96 {
  97   if (servers.size() > host_to_shutdown)
  98   {
  99     Server* tmp= servers[host_to_shutdown];
 100
 101     if (tmp and tmp->kill() == false)
 102     { }
 103     else
 104     {
 105       return true;
 106     }
 107   }
 108
 109   return false;
 110 }
 111
 112 void server_startup_st::clear()
 113 {
 114   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 115   {
 116     delete *iter;
 117   }
 118   servers.clear();
 119 }
 120
 121 bool server_startup_st::check() const
 122 {
 123   bool success= true;
 124   for (std::vector<Server *>::const_iterator iter= servers.begin(); iter != servers.end(); iter++)
 125   {
 126     if ((*iter)->check()  == false)
 127     {
 128       success= false;
 129     }
 130   }
 131
 132   return success;
 133 }
 134
 135 bool server_startup_st::shutdown()
 136 {
 137   bool success= true;
 138   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 139   {
 140     if ((*iter)->has_pid() and (*iter)->kill() == false)
 141     {
 142       Error << "Unable to kill:" <<  *(*iter);
 143       success= false;
 144     }
 145   }
 146
 147   return success;
 148 }
 149
 150 void server_startup_st::restart()
 151 {
 152   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); iter++)
 153   {
 154     (*iter)->start();
 155   }
 156 }
 157
 158 #define MAGIC_MEMORY 123575
 159 server_startup_st::server_startup_st() :
 160   _magic(MAGIC_MEMORY),
 161   _socket(false),
 162   _sasl(false),
 163   _count(0),
 164   udp(0),
 165   _servers_to_run(5)
 166 { }
 167
 168 server_startup_st::~server_startup_st()
 169 {
 170   clear();
 171 }
 172
 173 bool server_startup_st::validate()
 174 {
 175   return _magic == MAGIC_MEMORY;
 176 }
 177
 178 bool server_startup(server_startup_st& construct, const std::string& server_type, in_port_t try_port, int argc, const char *argv[], const bool opt_startup_message)
 179 {
 180   if (try_port <= 0)
 181   {
 182     throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
 183   }
 184
 185   libtest::Server *server= NULL;
 186   if (0)
 187   { }
 188   else if (server_type.compare("gearmand") == 0)
 189   {
 190     if (GEARMAND_BINARY)
 191     {
 192       if (HAVE_LIBGEARMAN)
 193       {
 194         server= build_gearmand("localhost", try_port);
 195       }
 196     }
 197   }
 198   else if (server_type.compare("drizzled") == 0)
 199   {
 200     if (DRIZZLED_BINARY)
 201     {
 202       if (HAVE_LIBDRIZZLE)
 203       {
 204         server= build_drizzled("localhost", try_port);
 205       }
 206     }
 207   }
 208   else if (server_type.compare("blobslap_worker") == 0)
 209   {
 210     if (GEARMAND_BINARY)
 211     {
 212       if (GEARMAND_BLOBSLAP_WORKER)
 213       {
 214         if (HAVE_LIBGEARMAN)
 215         {
 216           server= build_blobslap_worker(try_port);
 217         }
 218       }
 219     }
 220   }
 221   else if (server_type.compare("memcached-sasl") == 0)
 222   {
 223     if (MEMCACHED_SASL_BINARY)
 224     {
 225       if (HAVE_LIBMEMCACHED)
 226       {
 227         server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 228       }
 229     }
 230   }
 231   else if (server_type.compare("memcached") == 0)
 232   {
 233     if (MEMCACHED_BINARY)
 234     {
 235       if (HAVE_LIBMEMCACHED)
 236       {
 237         server= build_memcached("localhost", try_port);
 238       }
 239     }
 240   }
 241   else if (server_type.compare("memcached-light") == 0)
 242   {
 243     if (MEMCACHED_LIGHT_BINARY)
 244     {
 245       if (HAVE_LIBMEMCACHED)
 246       {
 247         server= build_memcached_light("localhost", try_port);
 248       }
 249     }
 250   }
 251
 252   if (server == NULL)
 253   {
 254     fatal_message("Launching of an unknown server was attempted");
 255   }
 256
 257   /*
 258     We will now cycle the server we have created.
 259   */
 260   if (server->cycle() == false)
 261   {
 262     Error << "Could not start up server " << *server;
 263     delete server;
 264     return false;
 265   }
 266
 267   server->build(argc, argv);
 268
 269   if (false)
 270   {
 271     Out << "Pausing for startup, hit return when ready.";
 272     std::string gdb_command= server->base_command();
 273     std::string options;
 274 #if 0
 275     Out << "run " << server->args(options);
 276 #endif
 277     getchar();
 278   }
 279   else if (server->start() == false)
 280   {
 281     delete server;
 282     return false;
 283   }
 284   else
 285   {
 286     if (opt_startup_message)
 287     {
 288       Outn();
 289       Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 290       Outn();
 291     }
 292   }
 293
 294   construct.push_server(server);
 295
 296   return true;
 297 }
 298
 299 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 300 {
 301   (void)try_port;
 302   Outn();
 303
 304   Server *server= NULL;
 305   if (0)
 306   { }
 307   else if (server_type.compare("gearmand") == 0)
 308   {
 309     Error << "Socket files are not supported for gearmand yet";
 310   }
 311   else if (server_type.compare("memcached-sasl") == 0)
 312   {
 313     if (MEMCACHED_SASL_BINARY)
 314     {
 315       if (HAVE_LIBMEMCACHED)
 316       {
 317         server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 318       }
 319       else
 320       {
 321         Error << "Libmemcached was not found";
 322       }
 323     }
 324     else
 325     {
 326       Error << "No memcached binary is available";
 327     }
 328   }
 329   else if (server_type.compare("memcached") == 0)
 330   {
 331     if (MEMCACHED_BINARY)
 332     {
 333       if (HAVE_LIBMEMCACHED)
 334       {
 335         server= build_memcached_socket("localhost", try_port);
 336       }
 337       else
 338       {
 339         Error << "Libmemcached was not found";
 340       }
 341     }
 342     else
 343     {
 344       Error << "No memcached binary is available";
 345     }
 346   }
 347   else
 348   {
 349     Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 350   }
 351
 352   if (server == NULL)
 353   {
 354     Error << "Failure occured while creating server: " <<  server_type;
 355     return false;
 356   }
 357
 358   /*
 359     We will now cycle the server we have created.
 360   */
 361   if (server->cycle() == false)
 362   {
 363     Error << "Could not start up server " << *server;
 364     delete server;
 365     return false;
 366   }
 367
 368   server->build(argc, argv);
 369
 370   if (false)
 371   {
 372     Out << "Pausing for startup, hit return when ready.";
 373     std::string gdb_command= server->base_command();
 374     std::string options;
 375 #if 0
 376     Out << "run " << server->args(options);
 377 #endif
 378     getchar();
 379   }
 380   else if (server->start() == false)
 381   {
 382     Error << "Failed to start " << *server;
 383     delete server;
 384     return false;
 385   }
 386   else
 387   {
 388     Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 389   }
 390
 391   push_server(server);
 392
 393   set_default_socket(server->socket().c_str());
 394
 395   Outn();
 396
 397   return true;
 398 }
 399
 400 std::string server_startup_st::option_string() const
 401 {
 402   std::string temp= server_list;
 403   rtrim(temp);
 404   return temp;
 405 }
 406
 407
 408 } // namespace libtest