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,
  28  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  29  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  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 <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 Server* server_startup_st::last()
  59 {
  60   return servers.back();
  61 }
  62
  63 void server_startup_st::push_server(Server *arg)
  64 {
  65   servers.push_back(arg);
  66
  67   std::string server_config_string;
  68   if (arg->has_socket())
  69   {
  70     server_config_string+= "--socket=";
  71     server_config_string+= '"';
  72     server_config_string+= arg->socket();
  73     server_config_string+= '"';
  74     server_config_string+= " ";
  75   }
  76   else
  77   {
  78     libtest::vchar_t port_str;
  79     port_str.resize(NI_MAXSERV);
  80     snprintf(&port_str[0], port_str.size(), "%u", int(arg->port()));
  81
  82     server_config_string+= "--server=";
  83     server_config_string+= arg->hostname();
  84     server_config_string+= ":";
  85     server_config_string+= &port_str[0];
  86     server_config_string+= " ";
  87   }
  88
  89   server_list+= server_config_string;
  90 }
  91
  92 Server* server_startup_st::pop_server()
  93 {
  94   Server *tmp= servers.back();
  95   servers.pop_back();
  96   return tmp;
  97 }
  98
  99 // host_to_shutdown => host number to shutdown in array
 100 bool server_startup_st::shutdown(uint32_t host_to_shutdown)
 101 {
 102   if (servers.size() > host_to_shutdown)
 103   {
 104     Server* tmp= servers[host_to_shutdown];
 105
 106     if (tmp and tmp->kill() == false)
 107     { }
 108     else
 109     {
 110       return true;
 111     }
 112   }
 113
 114   return false;
 115 }
 116
 117 void server_startup_st::clear()
 118 {
 119   std::for_each(servers.begin(), servers.end(), DeleteFromVector());
 120   servers.clear();
 121 }
 122
 123 bool server_startup_st::check() const
 124 {
 125   bool success= true;
 126   for (std::vector<Server *>::const_iterator iter= servers.begin(); iter != servers.end(); ++iter)
 127   {
 128     if ((*iter)->check()  == false)
 129     {
 130       success= false;
 131     }
 132   }
 133
 134   return success;
 135 }
 136
 137 bool server_startup_st::shutdown()
 138 {
 139   bool success= true;
 140   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
 141   {
 142     if ((*iter)->has_pid() and (*iter)->kill() == false)
 143     {
 144       Error << "Unable to kill:" <<  *(*iter);
 145       success= false;
 146     }
 147   }
 148
 149   return success;
 150 }
 151
 152 void server_startup_st::restart()
 153 {
 154   for (std::vector<Server *>::iterator iter= servers.begin(); iter != servers.end(); ++iter)
 155   {
 156     Server *server = *iter;
 157
 158     if (server->check()) {
 159       server->kill();
 160     }
 161     server->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   udp(0),
 171   _servers_to_run(5)
 172 { }
 173
 174 server_startup_st::~server_startup_st()
 175 {
 176   clear();
 177 }
 178
 179 bool server_startup_st::validate()
 180 {
 181   return _magic == MAGIC_MEMORY;
 182 }
 183
 184 bool server_startup(server_startup_st& construct, const std::string& server_type, in_port_t try_port, const char *argv[])
 185 {
 186   return construct.start_server(server_type, try_port, argv);
 187 }
 188
 189 libtest::Server* server_startup_st::create(const std::string& server_type, in_port_t try_port, const bool is_socket)
 190 {
 191   libtest::Server *server= NULL;
 192
 193   if (is_socket == false)
 194   {
 195     if (try_port <= 0)
 196     {
 197       throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
 198     }
 199   }
 200
 201   if (is_socket)
 202   {
 203     if (server_type.compare("memcached") == 0)
 204     {
 205       server= build_memcached_socket("localhost", try_port);
 206     }
 207     else
 208     {
 209       Error << "Socket is not support for server: " << server_type;
 210       return NULL;
 211     }
 212   }
 213   else if (server_type.compare("gearmand") == 0)
 214   {
 215     server= build_gearmand("localhost", try_port);
 216   }
 217   else if (server_type.compare("hostile-gearmand") == 0)
 218   {
 219     server= build_gearmand("localhost", try_port, "gearmand/hostile_gearmand");
 220   }
 221   else if (server_type.compare("drizzled") == 0)
 222   {
 223     if (has_drizzled())
 224     {
 225       if (has_libdrizzle())
 226       {
 227         server= build_drizzled("localhost", try_port);
 228       }
 229     }
 230   }
 231   else if (server_type.compare("blobslap_worker") == 0)
 232   {
 233     if (has_gearmand())
 234     {
 235 #ifdef GEARMAND_BLOBSLAP_WORKER
 236       if (GEARMAND_BLOBSLAP_WORKER)
 237       {
 238         if (HAVE_LIBGEARMAN)
 239         {
 240           server= build_blobslap_worker(try_port);
 241         }
 242       }
 243 #endif // GEARMAND_BLOBSLAP_WORKER
 244     }
 245   }
 246   else if (server_type.compare("memcached") == 0)
 247   {
 248     if (has_memcached())
 249     {
 250       server= build_memcached("localhost", try_port);
 251     }
 252   }
 253
 254   return server;
 255 }
 256
 257 class ServerPtr {
 258 public:
 259   ServerPtr(libtest::Server* server_):
 260     _server(server_)
 261   { }
 262
 263   ~ServerPtr()
 264   {
 265     delete _server;
 266   }
 267
 268   void reset()
 269   {
 270     delete _server;
 271     _server= NULL;
 272   }
 273
 274   libtest::Server* release(libtest::Server* server_= NULL)
 275   {
 276     libtest::Server* tmp= _server;
 277     _server= server_;
 278     return tmp;
 279   }
 280
 281   libtest::Server* operator->() const
 282   {
 283     return _server;
 284   }
 285
 286   libtest::Server* operator&() const
 287   {
 288     return _server;
 289   }
 290
 291 private:
 292   libtest::Server* _server;
 293 };
 294
 295 bool server_startup_st::_start_server(const bool is_socket,
 296                                       const std::string& server_type,
 297                                       in_port_t try_port,
 298                                       const char *argv[])
 299 {
 300   try {
 301     ServerPtr server(create(server_type, try_port, is_socket));
 302
 303     if (&server == NULL)
 304     {
 305       Error << "Could not allocate server: " << server_type;
 306       return false;
 307     }
 308
 309     /*
 310       We will now cycle the server we have created.
 311     */
 312     if (server->cycle() == false)
 313     {
 314       Error << "Could not start up server " << &server;
 315       return false;
 316     }
 317
 318     server->init(argv);
 319
 320 #if 0
 321     if (false)
 322     {
 323       Out << "Pausing for startup, hit return when ready.";
 324       std::string gdb_command= server->base_command();
 325       getchar();
 326     }
 327     else
 328 #endif
 329
 330       if (server->start() == false)
 331       {
 332         return false;
 333       }
 334       else
 335       {
 336         {
 337 #ifdef DEBUG
 338           if (DEBUG)
 339           {
 340             Outn();
 341             Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 342             Outn();
 343           }
 344 #endif
 345         }
 346       }
 347
 348     push_server(server.release());
 349
 350     if (is_socket and &server)
 351     {
 352       set_default_socket(server->socket().c_str());
 353     }
 354   }
 355   catch (const libtest::disconnected& err)
 356   {
 357     if (fatal::is_disabled() == false and try_port != LIBTEST_FAIL_PORT)
 358     {
 359       stream::cerr(err.file(), err.line(), err.func()) << err.what();
 360       return false;
 361     }
 362   }
 363   catch (const libtest::__test_result& err)
 364   {
 365     stream::cerr(err.file(), err.line(), err.func()) << err.what();
 366     return false;
 367   }
 368   catch (const std::exception& err)
 369   {
 370     Error << err.what();
 371     return false;
 372   }
 373   catch (...)
 374   {
 375     Error << "error occured while creating server: " << server_type;
 376     return false;
 377   }
 378
 379   return true;
 380 }
 381
 382 bool server_startup_st::start_server(const std::string& server_type, in_port_t try_port, const char *argv[])
 383 {
 384   return _start_server(false, server_type, try_port, argv);
 385 }
 386
 387 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port, const char *argv[])
 388 {
 389   return _start_server(true, server_type, try_port, argv);
 390 }
 391
 392 std::string server_startup_st::option_string() const
 393 {
 394   std::string temp= server_list;
 395   rtrim(temp);
 396   return temp;
 397 }
 398
 399
 400 } // namespace libtest