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,
  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     (*iter)->start();
 157   }
 158 }
 159
 160 #define MAGIC_MEMORY 123575
 161 server_startup_st::server_startup_st() :
 162   _magic(MAGIC_MEMORY),
 163   _socket(false),
 164   _sasl(false),
 165   udp(0),
 166   _servers_to_run(5)
 167 { }
 168
 169 server_startup_st::~server_startup_st()
 170 {
 171   clear();
 172 }
 173
 174 bool server_startup_st::validate()
 175 {
 176   return _magic == MAGIC_MEMORY;
 177 }
 178
 179 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)
 180 {
 181   return construct.start_server(server_type, try_port, argc, argv, opt_startup_message);
 182 }
 183
 184 libtest::Server* server_startup_st::create(const std::string& server_type, in_port_t try_port, const bool is_socket)
 185 {
 186   libtest::Server *server= NULL;
 187
 188   if (is_socket == false)
 189   {
 190     if (try_port <= 0)
 191     {
 192       throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "was passed the invalid port number %d", int(try_port));
 193     }
 194   }
 195
 196   if (is_socket)
 197   {
 198     if (server_type.compare("memcached") == 0)
 199     {
 200       server= build_memcached_socket("localhost", try_port);
 201     }
 202     else
 203     {
 204       Error << "Socket is not support for server: " << server_type;
 205       return NULL;
 206     }
 207   }
 208   else if (server_type.compare("gearmand") == 0)
 209   {
 210     server= build_gearmand("localhost", try_port);
 211   }
 212   else if (server_type.compare("hostile-gearmand") == 0)
 213   {
 214     server= build_gearmand("localhost", try_port, "gearmand/hostile_gearmand");
 215   }
 216   else if (server_type.compare("drizzled") == 0)
 217   {
 218     if (DRIZZLED_BINARY)
 219     {
 220       if (HAVE_LIBDRIZZLE)
 221       {
 222         server= build_drizzled("localhost", try_port);
 223       }
 224     }
 225   }
 226   else if (server_type.compare("blobslap_worker") == 0)
 227   {
 228     if (GEARMAND_BINARY)
 229     {
 230       if (GEARMAND_BLOBSLAP_WORKER)
 231       {
 232         if (HAVE_LIBGEARMAN)
 233         {
 234           server= build_blobslap_worker(try_port);
 235         }
 236       }
 237     }
 238   }
 239   else if (server_type.compare("memcached") == 0)
 240   {
 241     if (HAVE_MEMCACHED_BINARY)
 242     {
 243       server= build_memcached("localhost", try_port);
 244     }
 245   }
 246
 247   return server;
 248 }
 249
 250 class ServerPtr {
 251 public:
 252   ServerPtr(libtest::Server* server_):
 253     _server(server_)
 254   { }
 255
 256   ~ServerPtr()
 257   {
 258     delete _server;
 259   }
 260
 261   void reset()
 262   {
 263     delete _server;
 264     _server= NULL;
 265   }
 266
 267   libtest::Server* release(libtest::Server* server_= NULL)
 268   {
 269     libtest::Server* tmp= _server;
 270     _server= server_;
 271     return tmp;
 272   }
 273
 274   libtest::Server* operator->() const
 275   {
 276     return _server;
 277   }
 278
 279   libtest::Server* operator&() const
 280   {
 281     return _server;
 282   }
 283
 284 private:
 285   libtest::Server* _server;
 286 };
 287
 288 bool server_startup_st::_start_server(const bool is_socket,
 289                                       const std::string& server_type,
 290                                       in_port_t try_port,
 291                                       int argc, const char *argv[],
 292                                       const bool opt_startup_message)
 293 {
 294   try {
 295     ServerPtr server(create(server_type, try_port, is_socket));
 296
 297     if (&server == NULL)
 298     {
 299       Error << "Could not allocate server: " << server_type;
 300       return false;
 301     }
 302
 303     /*
 304       We will now cycle the server we have created.
 305     */
 306     if (server->cycle() == false)
 307     {
 308       Error << "Could not start up server " << &server;
 309       return false;
 310     }
 311
 312     server->build(argc, argv);
 313
 314 #if 0
 315     if (false)
 316     {
 317       Out << "Pausing for startup, hit return when ready.";
 318       std::string gdb_command= server->base_command();
 319       getchar();
 320     }
 321     else
 322 #endif
 323
 324       if (server->start() == false)
 325       {
 326         return false;
 327       }
 328       else
 329       {
 330         if (opt_startup_message)
 331         {
 332 #if defined(DEBUG)
 333           if (DEBUG)
 334           {
 335             Outn();
 336             Out << "STARTING SERVER(pid:" << server->pid() << "): " << server->running();
 337             Outn();
 338           }
 339 #endif
 340         }
 341       }
 342
 343     push_server(server.release());
 344
 345     if (is_socket and &server)
 346     {
 347       set_default_socket(server->socket().c_str());
 348     }
 349   }
 350   catch (libtest::disconnected& err)
 351   {
 352     if (fatal::is_disabled() == false and try_port != LIBTEST_FAIL_PORT)
 353     {
 354       stream::cerr(err.file(), err.line(), err.func()) << err.what();
 355       return false;
 356     }
 357   }
 358   catch (libtest::__test_result& err)
 359   {
 360     stream::cerr(err.file(), err.line(), err.func()) << err.what();
 361     return false;
 362   }
 363   catch (std::exception& err)
 364   {
 365     Error << err.what();
 366     return false;
 367   }
 368   catch (...)
 369   {
 370     Error << "error occured while creating server: " << server_type;
 371     return false;
 372   }
 373
 374   return true;
 375 }
 376
 377 bool server_startup_st::start_server(const std::string& server_type, in_port_t try_port,
 378                                      int argc, const char *argv[],
 379                                      const bool opt_startup_message)
 380 {
 381   return _start_server(false, server_type, try_port, argc, argv, opt_startup_message);
 382 }
 383
 384 bool server_startup_st::start_socket_server(const std::string& server_type, const in_port_t try_port,
 385                                             int argc, const char *argv[],
 386                                             const bool opt_startup_message)
 387 {
 388   return _start_server(true, server_type, try_port, argc, argv, opt_startup_message);
 389 }
 390
 391 std::string server_startup_st::option_string() const
 392 {
 393   std::string temp= server_list;
 394   rtrim(temp);
 395   return temp;
 396 }
 397
 398
 399 } // namespace libtest