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

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  libtest
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *
   7  *  This library is free software; you can redistribute it and/or
   8  *  modify it under the terms of the GNU Lesser General Public
   9  *  License as published by the Free Software Foundation; either
  10  *  version 3 of the License, or (at your option) any later version.
  11  *
  12  *  This library is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  *  Lesser General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU Lesser General Public
  18  *  License along with this library; if not, write to the Free Software
  19  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  20  */
  21
  22
  23 #include <libtest/common.h>
  24
  25 #include <libmemcached-1.0/memcached.h>
  26 #include <libmemcachedutil-1.0/util.h>
  27
  28 using namespace libtest;
  29
  30 #include <cassert>
  31 #include <cerrno>
  32 #include <cstdio>
  33 #include <cstdlib>
  34 #include <cstring>
  35 #include <iostream>
  36 #include <signal.h>
  37 #include <sys/types.h>
  38 #include <sys/wait.h>
  39 #include <unistd.h>
  40
  41 #include <libtest/server.h>
  42 #include <libtest/wait.h>
  43
  44 #include <libtest/memcached.h>
  45
  46 #ifndef __INTEL_COMPILER
  47 #pragma GCC diagnostic ignored "-Wold-style-cast"
  48 #endif
  49
  50 using namespace libtest;
  51
  52 class Memcached : public libtest::Server
  53 {
  54   std::string _username;
  55   std::string _password;
  56
  57 public:
  58   Memcached(const std::string& host_arg, const in_port_t port_arg, const bool is_socket_arg, const std::string& username_arg, const std::string& password_arg) :
  59     libtest::Server(host_arg, port_arg, is_socket_arg),
  60     _username(username_arg),
  61     _password(password_arg)
  62   { }
  63
  64   Memcached(const std::string& host_arg, const in_port_t port_arg, const bool is_socket_arg) :
  65     libtest::Server(host_arg, port_arg, is_socket_arg)
  66   {
  67     set_pid_file();
  68   }
  69
  70   virtual const char *sasl() const
  71   {
  72     return NULL;
  73   }
  74
  75   const std::string& password() const
  76   {
  77     return _password;
  78   }
  79
  80   const std::string& username() const
  81   {
  82     return _username;
  83   }
  84
  85   pid_t get_pid(bool error_is_ok)
  86   {
  87     // Memcached is slow to start, so we need to do this
  88     if (pid_file().empty() == false)
  89     {
  90       if (error_is_ok and not wait_for_pidfile())
  91       {
  92         Error << "Pidfile was not found:" << pid_file();
  93         return -1;
  94       }
  95     }
  96
  97     pid_t local_pid;
  98     memcached_return_t rc= MEMCACHED_SUCCESS;
  99     if (has_socket())
 100     {
 101       if (socket().empty())
 102       {
 103         return -1;
 104       }
 105
 106       local_pid= libmemcached_util_getpid(socket().c_str(), port(), &rc);
 107     }
 108     else
 109     {
 110       local_pid= libmemcached_util_getpid(hostname().c_str(), port(), &rc);
 111     }
 112
 113     if (error_is_ok and ((memcached_failed(rc) or not is_pid_valid(local_pid))))
 114     {
 115       Error << "libmemcached_util_getpid(" << memcached_strerror(NULL, rc) << ") pid: " << local_pid << " for:" << *this;
 116     }
 117
 118     return local_pid;
 119   }
 120
 121   bool ping()
 122   {
 123     // Memcached is slow to start, so we need to do this
 124     if (not pid_file().empty())
 125     {
 126       if (not wait_for_pidfile())
 127       {
 128         Error << "Pidfile was not found:" << pid_file();
 129         return -1;
 130       }
 131     }
 132
 133     memcached_return_t rc;
 134     bool ret;
 135
 136     if (has_socket())
 137     {
 138         ret= libmemcached_util_ping(socket().c_str(), 0, &rc);
 139     }
 140     else
 141     {
 142       ret= libmemcached_util_ping(hostname().c_str(), port(), &rc);
 143     }
 144
 145     if (memcached_failed(rc) or not ret)
 146     {
 147       Error << "libmemcached_util_ping(" << hostname() << ", " << port() << ") error: " << memcached_strerror(NULL, rc);
 148     }
 149
 150     return ret;
 151   }
 152
 153   const char *name()
 154   {
 155     return "memcached";
 156   };
 157
 158   const char *executable()
 159   {
 160     return MEMCACHED_BINARY;
 161   }
 162
 163   virtual void pid_file_option(Application& app, const std::string& arg)
 164   {
 165     if (arg.empty() == false)
 166     {
 167       app.add_option("-P", arg);
 168     }
 169   }
 170
 171   const char *socket_file_option() const
 172   {
 173     return "-s ";
 174   }
 175
 176   const char *daemon_file_option()
 177   {
 178     return "-d";
 179   }
 180
 181   virtual void port_option(Application& app, in_port_t arg)
 182   {
 183     char buffer[30];
 184     snprintf(buffer, sizeof(buffer), "%d", int(arg));
 185     app.add_option("-p", buffer);
 186   }
 187
 188   bool has_port_option() const
 189   {
 190     return true;
 191   }
 192
 193   bool has_socket_file_option() const
 194   {
 195     return has_socket();
 196   }
 197
 198   void socket_file_option(Application& app, const std::string& socket_arg)
 199   {
 200     if (socket_arg.empty() == false)
 201     {
 202       app.add_option("-s", socket_arg);
 203     }
 204   }
 205
 206   bool is_libtool()
 207   {
 208     return false;
 209   }
 210
 211   bool broken_socket_cleanup()
 212   {
 213     return true;
 214   }
 215
 216   // Memcached's pidfile is broken
 217   bool broken_pid_file()
 218   {
 219     return true;
 220   }
 221
 222   bool build(size_t argc, const char *argv[]);
 223 };
 224
 225 class MemcachedLight : public libtest::Server
 226 {
 227
 228 public:
 229   MemcachedLight(const std::string& host_arg, const in_port_t port_arg):
 230     libtest::Server(host_arg, port_arg)
 231   {
 232     set_pid_file();
 233   }
 234
 235   pid_t get_pid(bool error_is_ok)
 236   {
 237     // Memcached is slow to start, so we need to do this
 238     if (not pid_file().empty())
 239     {
 240       if (error_is_ok and not wait_for_pidfile())
 241       {
 242         Error << "Pidfile was not found:" << pid_file();
 243         return -1;
 244       }
 245     }
 246
 247     bool success= false;
 248     std::stringstream error_message;
 249     pid_t local_pid= get_pid_from_file(pid_file(), error_message);
 250     if (local_pid > 0)
 251     {
 252       if (::kill(local_pid, 0) > 0)
 253       {
 254         success= true;
 255       }
 256     }
 257
 258     if (error_is_ok and ((success or not is_pid_valid(local_pid))))
 259     {
 260       Error << "kill(" << " pid: " << local_pid << " errno:" << strerror(errno) << " for:" << *this;
 261     }
 262
 263     return local_pid;
 264   }
 265
 266   bool ping()
 267   {
 268     // Memcached is slow to start, so we need to do this
 269     if (not pid_file().empty())
 270     {
 271       if (not wait_for_pidfile())
 272       {
 273         Error << "Pidfile was not found:" << pid_file();
 274         return false;
 275       }
 276     }
 277
 278     std::stringstream error_message;
 279     pid_t local_pid= get_pid_from_file(pid_file(), error_message);
 280     if (local_pid > 0)
 281     {
 282       if (::kill(local_pid, 0) == 0)
 283       {
 284         return true;
 285       }
 286     }
 287
 288     return false;
 289   }
 290
 291   const char *name()
 292   {
 293     return "memcached_light";
 294   };
 295
 296   const char *executable()
 297   {
 298     return MEMCACHED_LIGHT_BINARY;
 299   }
 300
 301   const char *daemon_file_option()
 302   {
 303     return "--daemon";
 304   }
 305
 306   virtual void port_option(Application& app, in_port_t arg)
 307   {
 308     char buffer[1024];
 309     snprintf(buffer, sizeof(buffer), "--port=%d", int(arg));
 310     app.add_option(buffer);
 311   }
 312
 313   bool has_port_option() const
 314   {
 315     return true;
 316   }
 317
 318   bool is_libtool()
 319   {
 320     return true;
 321   }
 322
 323   bool build(size_t argc, const char *argv[]);
 324 };
 325
 326 class MemcachedSaSL : public Memcached
 327 {
 328 public:
 329   MemcachedSaSL(const std::string& host_arg, const in_port_t port_arg, const bool is_socket_arg, const std::string& username_arg, const std::string &password_arg) :
 330     Memcached(host_arg, port_arg, is_socket_arg, username_arg, password_arg)
 331   { }
 332
 333   const char *name()
 334   {
 335     return "memcached-sasl";
 336   };
 337
 338   const char *sasl() const
 339   {
 340     return " -S -B binary ";
 341   }
 342
 343   const char *executable()
 344   {
 345     return MEMCACHED_SASL_BINARY;
 346   }
 347
 348   pid_t get_pid(bool error_is_ok)
 349   {
 350     // Memcached is slow to start, so we need to do this
 351     if (not pid_file().empty())
 352     {
 353       if (error_is_ok and not wait_for_pidfile())
 354       {
 355         Error << "Pidfile was not found:" << pid_file();
 356         return -1;
 357       }
 358     }
 359
 360     pid_t local_pid;
 361     memcached_return_t rc;
 362     if (has_socket())
 363     {
 364       local_pid= libmemcached_util_getpid2(socket().c_str(), 0, username().c_str(), password().c_str(), &rc);
 365     }
 366     else
 367     {
 368       local_pid= libmemcached_util_getpid2(hostname().c_str(), port(), username().c_str(), password().c_str(), &rc);
 369     }
 370
 371     if (error_is_ok and ((memcached_failed(rc) or not is_pid_valid(local_pid))))
 372     {
 373       Error << "libmemcached_util_getpid2(" << memcached_strerror(NULL, rc) << ") username: " << username() << " password: " << password() << " pid: " << local_pid << " for:" << *this;
 374     }
 375
 376     return local_pid;
 377   }
 378
 379   bool ping()
 380   {
 381     // Memcached is slow to start, so we need to do this
 382     if (not pid_file().empty())
 383     {
 384       if (not wait_for_pidfile())
 385       {
 386         Error << "Pidfile was not found:" << pid_file();
 387         return -1;
 388       }
 389     }
 390
 391     memcached_return_t rc;
 392     bool ret;
 393
 394     if (has_socket())
 395     {
 396       ret= libmemcached_util_ping2(socket().c_str(), 0, username().c_str(), password().c_str(), &rc);
 397     }
 398     else
 399     {
 400       ret= libmemcached_util_ping2(hostname().c_str(), port(), username().c_str(), password().c_str(), &rc);
 401     }
 402
 403     if (memcached_failed(rc) or not ret)
 404     {
 405       Error << "libmemcached_util_ping2(" << hostname() << ", " << port() << ", " << username() << ", " << password() << ") error: " << memcached_strerror(NULL, rc);
 406     }
 407
 408     return ret;
 409   }
 410
 411 };
 412
 413
 414 #include <sstream>
 415
 416 bool Memcached::build(size_t argc, const char *argv[])
 417 {
 418   std::stringstream arg_buffer;
 419
 420   if (getuid() == 0 or geteuid() == 0)
 421   {
 422     add_option("-u", "root");
 423   }
 424
 425   add_option("-l", "localhost");
 426   add_option("-m", "128");
 427   add_option("-M");
 428
 429   if (sasl())
 430   {
 431     add_option(sasl());
 432   }
 433
 434   for (int x= 0 ; x < argc ; x++)
 435   {
 436     add_option(argv[x]);
 437   }
 438
 439   return true;
 440 }
 441
 442 bool MemcachedLight::build(size_t argc, const char *argv[])
 443 {
 444   for (int x= 0 ; x < argc ; x++)
 445   {
 446     add_option(argv[x]);
 447   }
 448
 449   return true;
 450 }
 451
 452 namespace libtest {
 453
 454 libtest::Server *build_memcached(const std::string& hostname, const in_port_t try_port)
 455 {
 456   return new Memcached(hostname, try_port, false);
 457 }
 458
 459 libtest::Server *build_memcached_socket(const std::string& socket_file, const in_port_t try_port)
 460 {
 461   return new Memcached(socket_file, try_port, true);
 462 }
 463
 464 libtest::Server *build_memcached_light(const std::string& hostname, const in_port_t try_port)
 465 {
 466   return new MemcachedLight(hostname, try_port);
 467 }
 468
 469
 470 libtest::Server *build_memcached_sasl(const std::string& hostname, const in_port_t try_port, const std::string& username, const std::string &password)
 471 {
 472   if (username.empty())
 473   {
 474     return new MemcachedSaSL(hostname, try_port, false,  "memcached", "memcached");
 475   }
 476
 477   return new MemcachedSaSL(hostname, try_port, false,  username, password);
 478 }
 479
 480 libtest::Server *build_memcached_sasl_socket(const std::string& socket_file, const in_port_t try_port, const std::string& username, const std::string &password)
 481 {
 482   if (username.empty())
 483   {
 484     return new MemcachedSaSL(socket_file, try_port, true, "memcached", "memcached");
 485   }
 486
 487   return new MemcachedSaSL(socket_file, try_port, true, username, password);
 488 }
 489
 490 }
 491