git.m6w6.name Git - m6w6/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
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  33  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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  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   try {
 187     if (0)
 188     { }
 189     else if (server_type.compare("gearmand") == 0)
 190     {
 191       if (GEARMAND_BINARY)
 192       {
 193         if (HAVE_LIBGEARMAN)
 194         {
 195           server= build_gearmand("localhost", try_port);
 196         }
 197       }
 198     }
 199     else if (server_type.compare("drizzled") == 0)
 200     {
 201       if (DRIZZLED_BINARY)
 202       {
 203         if (HAVE_LIBDRIZZLE)
 204         {
 205           server= build_drizzled("localhost", try_port);
 206         }
 207       }
 208     }
 209     else if (server_type.compare("blobslap_worker") == 0)
 210     {
 211       if (GEARMAND_BINARY)
 212       {
 213         if (GEARMAND_BLOBSLAP_WORKER)
 214         {
 215           if (HAVE_LIBGEARMAN)
 216           {
 217             server= build_blobslap_worker(try_port);
 218           }
 219         }
 220       }
 221     }
 222     else if (server_type.compare("memcached-sasl") == 0)
 223     {
 224       if (MEMCACHED_SASL_BINARY)
 225       {
 226         if (HAVE_LIBMEMCACHED)
 227         {
 228           server= build_memcached_sasl("localhost", try_port, construct.username(), construct.password());
 229         }
 230       }
 231     }
 232     else if (server_type.compare("memcached") == 0)
 233     {
 234       if (MEMCACHED_BINARY)
 235       {
 236         if (HAVE_LIBMEMCACHED)
 237         {
 238           server= build_memcached("localhost", try_port);
 239         }
 240       }
 241     }
 242     else if (server_type.compare("memcached-light") == 0)
 243     {
 244       if (MEMCACHED_LIGHT_BINARY)
 245       {
 246         if (HAVE_LIBMEMCACHED)
 247         {
 248           server= build_memcached_light("localhost", try_port);
 249         }
 250       }
 251     }
 252
 253     if (server == NULL)
 254     {
 255       fatal_message("Launching of an unknown server was attempted");
 256     }
 257
 258     /*
 259       We will now cycle the server we have created.
 260     */
 261     if (server->cycle() == false)
 262     {
 263       Error << "Could not start up server " << *server;
 264       delete server;
 265       return false;
 266     }
 267
 268     server->build(argc, argv);
 269
 270     if (false)
 271     {
 272       Out << "Pausing for startup, hit return when ready.";
 273       std::string gdb_command= server->base_command();
 274       std::string options;
 275 #if 0
 276       Out << "run " << server->args(options);
 277 #endif
 278       getchar();
 279     }
 280     else if (server->start() == false)
 281     {
 282       delete server;
 283       return false;
 284     }
 285     else
 286     {
 287       if (opt_startup_message)
 288       {
 289         Outn();
 290         Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 291         Outn();
 292       }
 293     }
 294   }
 295   catch (...)
 296   {
 297     delete server;
 298     throw;
 299   }
 300
 301   construct.push_server(server);
 302
 303   return true;
 304 }
 305
 306 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc, const char *argv[])
 307 {
 308   (void)try_port;
 309   Outn();
 310
 311   Server *server= NULL;
 312   try {
 313     if (0)
 314     { }
 315     else if (server_type.compare("gearmand") == 0)
 316     {
 317       Error << "Socket files are not supported for gearmand yet";
 318     }
 319     else if (server_type.compare("memcached-sasl") == 0)
 320     {
 321       if (MEMCACHED_SASL_BINARY)
 322       {
 323         if (HAVE_LIBMEMCACHED)
 324         {
 325           server= build_memcached_sasl_socket("localhost", try_port, username(), password());
 326         }
 327         else
 328         {
 329           Error << "Libmemcached was not found";
 330         }
 331       }
 332       else
 333       {
 334         Error << "No memcached binary is available";
 335       }
 336     }
 337     else if (server_type.compare("memcached") == 0)
 338     {
 339       if (MEMCACHED_BINARY)
 340       {
 341         if (HAVE_LIBMEMCACHED)
 342         {
 343           server= build_memcached_socket("localhost", try_port);
 344         }
 345         else
 346         {
 347           Error << "Libmemcached was not found";
 348         }
 349       }
 350       else
 351       {
 352         Error << "No memcached binary is available";
 353       }
 354     }
 355     else
 356     {
 357       Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 358     }
 359
 360     if (server == NULL)
 361     {
 362       Error << "Failure occured while creating server: " <<  server_type;
 363       return false;
 364     }
 365
 366     /*
 367       We will now cycle the server we have created.
 368     */
 369     if (server->cycle() == false)
 370     {
 371       Error << "Could not start up server " << *server;
 372       delete server;
 373       return false;
 374     }
 375
 376     server->build(argc, argv);
 377
 378     if (false)
 379     {
 380       Out << "Pausing for startup, hit return when ready.";
 381       std::string gdb_command= server->base_command();
 382       std::string options;
 383 #if 0
 384       Out << "run " << server->args(options);
 385 #endif
 386       getchar();
 387     }
 388     else if (server->start() == false)
 389     {
 390       Error << "Failed to start " << *server;
 391       delete server;
 392       return false;
 393     }
 394     else
 395     {
 396       Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 397     }
 398   }
 399   catch (...)
 400   {
 401     delete server;
 402     throw;
 403   }
 404
 405   push_server(server);
 406
 407   set_default_socket(server->socket().c_str());
 408
 409   Outn();
 410
 411   return true;
 412 }
 413
 414 std::string server_startup_st::option_string() const
 415 {
 416   std::string temp= server_list;
 417   rtrim(temp);
 418   return temp;
 419 }
 420
 421
 422 } // namespace libtest