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
  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 "libtest/yatlcon.h"
  38
  39 #include "libtest/common.h"
  40
  41 #include <cassert>
  42 #include <cerrno>
  43 #include <cstdlib>
  44 #include <iostream>
  45
  46 #include <algorithm>
  47 #include <functional>
  48 #include <locale>
  49
  50 // trim from end
  51 static inline std::string &rtrim(std::string &s)
  52 {
  53   s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
  54   return s;
  55 }
  56
  57 namespace libtest {
  58
  59 Server* server_startup_st::last()
  60 {
  61   return servers.back();
  62 }
  63
  64 void server_startup_st::push_server(Server *arg)
  65 {
  66   servers.push_back(arg);
  67
  68   std::string server_config_string;
  69   if (arg->has_socket())
  70   {
  71     server_config_string+= "--socket=";
  72     server_config_string+= '"';
  73     server_config_string+= arg->socket();
  74     server_config_string+= '"';
  75     server_config_string+= " ";
  76   }
  77   else
  78   {
  79     libtest::vchar_t port_str;
  80     port_str.resize(NI_MAXSERV);
  81     snprintf(&port_str[0], port_str.size(), "%u", int(arg->port()));
  82
  83     server_config_string+= "--server=";
  84     server_config_string+= arg->hostname();
  85     server_config_string+= ":";
  86     server_config_string+= &port_str[0];
  87     server_config_string+= " ";
  88   }
  89
  90   server_list+= server_config_string;
  91
  92 }
  93
  94 Server* server_startup_st::pop_server()
  95 {
  96   Server *tmp= servers.back();
  97   servers.pop_back();
  98   return tmp;
  99 }
 100
 101 // host_to_shutdown => host number to shutdown in array
 102 bool server_startup_st::shutdown(uint32_t host_to_shutdown)
 103 {
 104   if (servers.size() > host_to_shutdown)
 105   {
 106     Server* tmp= servers[host_to_shutdown];
 107
 108     if (tmp and tmp->kill() == false)
 109     { }
 110     else
 111     {
 112       return true;
 113     }
 114   }
 115
 116   return false;
 117 }
 118
 119 void server_startup_st::clear()
 120 {
 121   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
 122   {
 123     delete *iter;
 124   }
 125   servers.clear();
 126 }
 127
 128 bool server_startup_st::check() const
 129 {
 130   bool success= true;
 131   for (std::vector<Server *>::const_iterator iter= servers.begin(); iter != servers.end(); ++iter)
 132   {
 133     if ((*iter)->check()  == false)
 134     {
 135       success= false;
 136     }
 137   }
 138
 139   return success;
 140 }
 141
 142 bool server_startup_st::shutdown()
 143 {
 144   bool success= true;
 145   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
 146   {
 147     if ((*iter)->has_pid() and (*iter)->kill() == false)
 148     {
 149       Error << "Unable to kill:" <<  *(*iter);
 150       success= false;
 151     }
 152   }
 153
 154   return success;
 155 }
 156
 157 void server_startup_st::restart()
 158 {
 159   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
 160   {
 161     (*iter)->start();
 162   }
 163 }
 164
 165 #define MAGIC_MEMORY 123575
 166 server_startup_st::server_startup_st() :
 167   _magic(MAGIC_MEMORY),
 168   _socket(false),
 169   _sasl(false),
 170   _count(0),
 171   udp(0),
 172   _servers_to_run(5)
 173 { }
 174
 175 server_startup_st::~server_startup_st()
 176 {
 177   clear();
 178 }
 179
 180 bool server_startup_st::validate()
 181 {
 182   return _magic == MAGIC_MEMORY;
 183 }
 184
 185 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)
 186 {
 187   return construct.start_server(server_type, try_port, argc, argv, opt_startup_message);
 188 }
 189
 190 bool server_startup_st::start_server(const std::string& server_type, in_port_t try_port, int argc, const char *argv[], const bool opt_startup_message)
 191 {
 192   if (try_port <= 0)
 193   {
 194     throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
 195   }
 196
 197   libtest::Server *server= NULL;
 198   try {
 199     if (0)
 200     { }
 201     else if (server_type.compare("gearmand") == 0)
 202     {
 203       if (GEARMAND_BINARY)
 204       {
 205         server= build_gearmand("localhost", try_port);
 206       }
 207     }
 208     else if (server_type.compare("hostile-gearmand") == 0)
 209     {
 210       if (GEARMAND_BINARY)
 211       {
 212         server= build_gearmand("localhost", try_port, "gearmand/hostile_gearmand");
 213       }
 214     }
 215     else if (server_type.compare("drizzled") == 0)
 216     {
 217       if (DRIZZLED_BINARY)
 218       {
 219         if (HAVE_LIBDRIZZLE)
 220         {
 221           server= build_drizzled("localhost", try_port);
 222         }
 223       }
 224     }
 225     else if (server_type.compare("blobslap_worker") == 0)
 226     {
 227       if (GEARMAND_BINARY)
 228       {
 229         if (GEARMAND_BLOBSLAP_WORKER)
 230         {
 231           if (HAVE_LIBGEARMAN)
 232           {
 233             server= build_blobslap_worker(try_port);
 234           }
 235         }
 236       }
 237     }
 238     else if (server_type.compare("memcached") == 0)
 239     {
 240       if (HAVE_MEMCACHED_BINARY)
 241       {
 242         server= build_memcached("localhost", try_port);
 243       }
 244     }
 245
 246     if (server == NULL)
 247     {
 248       throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "Launching of an unknown server was attempted: %s", server_type.c_str());
 249     }
 250   }
 251   catch (...)
 252   {
 253     throw;
 254   }
 255
 256   try {
 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 0
 270     if (false)
 271     {
 272       Out << "Pausing for startup, hit return when ready.";
 273       std::string gdb_command= server->base_command();
 274       getchar();
 275     }
 276     else
 277 #endif
 278
 279       if (server->start() == false)
 280       {
 281         delete server;
 282         return false;
 283       }
 284       else
 285       {
 286         if (opt_startup_message)
 287         {
 288 #if defined(DEBUG)
 289           if (DEBUG)
 290           {
 291             Outn();
 292             Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 293             Outn();
 294           }
 295 #endif
 296         }
 297       }
 298   }
 299   catch (libtest::disconnected& err)
 300   {
 301     if (fatal::is_disabled() == false and try_port != LIBTEST_FAIL_PORT)
 302     {
 303       stream::cerr(err.file(), err.line(), err.func()) << err.what();
 304       delete server;
 305       return false;
 306     }
 307   }
 308   catch (...)
 309   {
 310     delete server;
 311     throw;
 312   }
 313
 314   push_server(server);
 315
 316   return true;
 317 }
 318
 319 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, int argc,
 320                                             const char *argv[],
 321                                             const bool opt_startup_message)
 322 {
 323   (void)try_port;
 324   Outn();
 325
 326   Server *server= NULL;
 327   try {
 328     if (0)
 329     { }
 330     else if (server_type.compare("gearmand") == 0)
 331     {
 332       Error << "Socket files are not supported for gearmand yet";
 333     }
 334     else if (server_type.compare("memcached") == 0)
 335     {
 336       if (HAVE_MEMCACHED_BINARY)
 337       {
 338           server= build_memcached_socket("localhost", try_port);
 339       }
 340       else
 341       {
 342         Error << "No memcached binary is available";
 343       }
 344     }
 345     else
 346     {
 347       Error << "Failed to start " << server_type << ", no support was found to be compiled in for it.";
 348     }
 349
 350     if (server == NULL)
 351     {
 352       Error << "Failure occured while creating server: " <<  server_type;
 353       return false;
 354     }
 355
 356     /*
 357       We will now cycle the server we have created.
 358     */
 359     if (server->cycle() == false)
 360     {
 361       Error << "Could not start up server " << *server;
 362       delete server;
 363       return false;
 364     }
 365
 366     server->build(argc, argv);
 367
 368 #if 0
 369     if (false)
 370     {
 371       Out << "Pausing for startup, hit return when ready.";
 372       std::string gdb_command= server->base_command();
 373       std::string options;
 374       Out << "run " << server->args(options);
 375       getchar();
 376     }
 377     else
 378 #endif
 379       if (server->start() == false)
 380     {
 381       Error << "Failed to start " << *server;
 382       delete server;
 383       return false;
 384     }
 385     else
 386     {
 387       if (opt_startup_message)
 388       {
 389 #if defined(DEBUG)
 390         if (DEBUG)
 391         {
 392           Outn();
 393           Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 394           Outn();
 395         }
 396 #endif
 397       }
 398     }
 399   }
 400   catch (...)
 401   {
 402     delete server;
 403     throw;
 404   }
 405
 406   push_server(server);
 407
 408   set_default_socket(server->socket().c_str());
 409
 410   Outn();
 411
 412   return true;
 413 }
 414
 415 std::string server_startup_st::option_string() const
 416 {
 417   std::string temp= server_list;
 418   rtrim(temp);
 419   return temp;
 420 }
 421
 422
 423 } // namespace libtest