git.m6w6.name Git - m6w6/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 <config.h>
  24 #include <libtest/common.h>
  25
  26 #include <libmemcached-1.0/memcached.h>
  27 #include <libmemcachedutil-1.0/util.h>
  28
  29 using namespace libtest;
  30
  31 #include <cassert>
  32 #include <cerrno>
  33 #include <cstdio>
  34 #include <cstdlib>
  35 #include <cstring>
  36 #include <iostream>
  37 #include <signal.h>
  38 #include <sys/types.h>
  39 #include <sys/wait.h>
  40 #include <unistd.h>
  41
  42 #include <libtest/server.h>
  43 #include <libtest/wait.h>
  44
  45 #include <libtest/memcached.h>
  46
  47 #ifndef __INTEL_COMPILER
  48 #pragma GCC diagnostic ignored "-Wold-style-cast"
  49 #endif
  50
  51 using namespace libtest;
  52
  53 namespace {
  54   bool is_memcached_libtool()
  55   {
  56     if (MEMCACHED_BINARY and strcmp(MEMCACHED_BINARY, "memcached/memcached") == 0)
  57     {
  58       return true;
  59     }
  60
  61     return false;
  62   }
  63 }
  64
  65 class Memcached : public libtest::Server
  66 {
  67   std::string _username;
  68   std::string _password;
  69
  70 public:
  71   Memcached(const std::string& host_arg,
  72             const in_port_t port_arg,
  73             const bool is_socket_arg,
  74             const std::string& username_arg,
  75             const std::string& password_arg) :
  76     libtest::Server(host_arg, port_arg,
  77                     MEMCACHED_BINARY, is_memcached_libtool(), is_socket_arg),
  78     _username(username_arg),
  79     _password(password_arg)
  80   { }
  81
  82   Memcached(const std::string& host_arg, const in_port_t port_arg, const bool is_socket_arg) :
  83     libtest::Server(host_arg, port_arg,
  84                     MEMCACHED_BINARY, is_memcached_libtool(), is_socket_arg)
  85   {
  86     set_pid_file();
  87   }
  88
  89   virtual const char *sasl() const
  90   {
  91     return NULL;
  92   }
  93
  94   const std::string& password() const
  95   {
  96     return _password;
  97   }
  98
  99   const std::string& username() const
 100   {
 101     return _username;
 102   }
 103
 104   bool wait_for_pidfile() const
 105   {
 106     Wait wait(pid(), 4);
 107
 108     return wait.successful();
 109   }
 110
 111   pid_t get_pid(bool error_is_ok)
 112   {
 113     // Memcached is slow to start, so we need to do this
 114     if (error_is_ok and
 115         wait_for_pidfile() == false)
 116     {
 117       Error << "Pidfile was not found:" << pid_file();
 118       return -1;
 119     }
 120
 121     pid_t local_pid;
 122     memcached_return_t rc= MEMCACHED_SUCCESS;
 123     if (has_socket())
 124     {
 125       if (socket().empty())
 126       {
 127         return -1;
 128       }
 129
 130       local_pid= libmemcached_util_getpid(socket().c_str(), port(), &rc);
 131     }
 132     else
 133     {
 134       local_pid= libmemcached_util_getpid(hostname().c_str(), port(), &rc);
 135     }
 136
 137     if (error_is_ok and ((memcached_failed(rc) or not is_pid_valid(local_pid))))
 138     {
 139       Error << "libmemcached_util_getpid(" << memcached_strerror(NULL, rc) << ") pid: " << local_pid << " for:" << *this;
 140     }
 141
 142     return local_pid;
 143   }
 144
 145   bool ping()
 146   {
 147 #if 0
 148     // Memcached is slow to start, so we need to do this
 149     if (pid_file().empty() == false)
 150     {
 151       if (wait_for_pidfile() == false)
 152       {
 153         Error << "Pidfile was not found:" << pid_file() << " :" << running();
 154         return -1;
 155       }
 156     }
 157 #endif
 158
 159     memcached_return_t rc;
 160     bool ret;
 161
 162     if (has_socket())
 163     {
 164       ret= libmemcached_util_ping(socket().c_str(), 0, &rc);
 165     }
 166     else
 167     {
 168       ret= libmemcached_util_ping(hostname().c_str(), port(), &rc);
 169     }
 170
 171     if (memcached_failed(rc) or not ret)
 172     {
 173       Error << "libmemcached_util_ping(" << hostname() << ", " << port() << ") error: " << memcached_strerror(NULL, rc);
 174     }
 175
 176     return ret;
 177   }
 178
 179   const char *name()
 180   {
 181     return "memcached";
 182   };
 183
 184   const char *executable()
 185   {
 186     return MEMCACHED_BINARY;
 187   }
 188
 189   bool is_libtool()
 190   {
 191     return is_memcached_libtool();
 192   }
 193
 194   virtual void pid_file_option(Application& app, const std::string& arg)
 195   {
 196     if (arg.empty() == false)
 197     {
 198       app.add_option("-P", arg);
 199     }
 200   }
 201
 202   const char *socket_file_option() const
 203   {
 204     return "-s ";
 205   }
 206
 207   virtual void port_option(Application& app, in_port_t arg)
 208   {
 209     char buffer[30];
 210     snprintf(buffer, sizeof(buffer), "%d", int(arg));
 211     app.add_option("-p", buffer);
 212   }
 213
 214   bool has_port_option() const
 215   {
 216     return true;
 217   }
 218
 219   bool has_socket_file_option() const
 220   {
 221     return has_socket();
 222   }
 223
 224   void socket_file_option(Application& app, const std::string& socket_arg)
 225   {
 226     if (socket_arg.empty() == false)
 227     {
 228       app.add_option("-s", socket_arg);
 229     }
 230   }
 231
 232   bool broken_socket_cleanup()
 233   {
 234     return true;
 235   }
 236
 237   // Memcached's pidfile is broken
 238   bool broken_pid_file()
 239   {
 240     return true;
 241   }
 242
 243   bool build(size_t argc, const char *argv[]);
 244 };
 245
 246 class MemcachedLight : public libtest::Server
 247 {
 248
 249 public:
 250   MemcachedLight(const std::string& host_arg, const in_port_t port_arg) :
 251     libtest::Server(host_arg, port_arg, MEMCACHED_LIGHT_BINARY, true)
 252   {
 253     set_pid_file();
 254   }
 255
 256   pid_t get_pid(bool error_is_ok)
 257   {
 258     // Memcached is slow to start, so we need to do this
 259     if (pid_file().empty() == false)
 260     {
 261       if (error_is_ok and wait_for_pidfile() == false)
 262       {
 263         Error << "Pidfile was not found:" << pid_file();
 264         return -1;
 265       }
 266     }
 267
 268     bool success= false;
 269     std::stringstream error_message;
 270     pid_t local_pid= get_pid_from_file(pid_file(), error_message);
 271     if (local_pid > 0)
 272     {
 273       if (::kill(local_pid, 0) > 0)
 274       {
 275         success= true;
 276       }
 277     }
 278
 279     if (error_is_ok and ((success or not is_pid_valid(local_pid))))
 280     {
 281       Error << "kill(" << " pid: " << local_pid << " errno:" << strerror(errno) << " for:" << *this;
 282     }
 283
 284     return local_pid;
 285   }
 286
 287   bool ping()
 288   {
 289     // Memcached is slow to start, so we need to do this
 290     if (not pid_file().empty())
 291     {
 292       if (not wait_for_pidfile())
 293       {
 294         Error << "Pidfile was not found:" << pid_file();
 295         return false;
 296       }
 297     }
 298
 299     std::stringstream error_message;
 300     pid_t local_pid= get_pid_from_file(pid_file(), error_message);
 301     if (local_pid > 0)
 302     {
 303       if (::kill(local_pid, 0) == 0)
 304       {
 305         return true;
 306       }
 307     }
 308
 309     return false;
 310   }
 311
 312   const char *name()
 313   {
 314     return "memcached_light";
 315   };
 316
 317   const char *executable()
 318   {
 319     return MEMCACHED_LIGHT_BINARY;
 320   }
 321
 322   virtual void port_option(Application& app, in_port_t arg)
 323   {
 324     char buffer[1024];
 325     snprintf(buffer, sizeof(buffer), "--port=%d", int(arg));
 326     app.add_option(buffer);
 327   }
 328
 329   bool has_port_option() const
 330   {
 331     return true;
 332   }
 333
 334   bool is_libtool()
 335   {
 336     return true;
 337   }
 338
 339   void log_file_option(Application& app, const std::string& arg)
 340   {
 341     if (arg.empty() == false)
 342     {
 343       std::string buffer("--log-file=");
 344       buffer+= arg;
 345       app.add_option("--verbose");
 346       app.add_option(buffer);
 347     }
 348   }
 349
 350   bool has_log_file_option() const
 351   {
 352     return true;
 353   }
 354
 355   bool build(size_t argc, const char *argv[]);
 356 };
 357
 358 class MemcachedSaSL : public Memcached
 359 {
 360 public:
 361   MemcachedSaSL(const std::string& host_arg,
 362                 const in_port_t port_arg,
 363                 const bool is_socket_arg,
 364                 const std::string& username_arg,
 365                 const std::string &password_arg) :
 366     Memcached(host_arg, port_arg, is_socket_arg, username_arg, password_arg)
 367   { }
 368
 369   const char *name()
 370   {
 371     return "memcached-sasl";
 372   };
 373
 374   const char *sasl() const
 375   {
 376     return " -S -B binary ";
 377   }
 378
 379   const char *executable()
 380   {
 381     return MEMCACHED_SASL_BINARY;
 382   }
 383
 384   pid_t get_pid(bool error_is_ok)
 385   {
 386     // Memcached is slow to start, so we need to do this
 387     if (pid_file().empty() == false)
 388     {
 389       if (error_is_ok and
 390           wait_for_pidfile() == false)
 391       {
 392         Error << "Pidfile was not found:" << pid_file();
 393         return -1;
 394       }
 395     }
 396
 397     pid_t local_pid;
 398     memcached_return_t rc;
 399     if (has_socket())
 400     {
 401       local_pid= libmemcached_util_getpid2(socket().c_str(), 0, username().c_str(), password().c_str(), &rc);
 402     }
 403     else
 404     {
 405       local_pid= libmemcached_util_getpid2(hostname().c_str(), port(), username().c_str(), password().c_str(), &rc);
 406     }
 407
 408     if (error_is_ok and ((memcached_failed(rc) or not is_pid_valid(local_pid))))
 409     {
 410       Error << "libmemcached_util_getpid2(" << memcached_strerror(NULL, rc) << ") username: " << username() << " password: " << password() << " pid: " << local_pid << " for:" << *this;
 411     }
 412
 413     return local_pid;
 414   }
 415
 416   bool ping()
 417   {
 418     // Memcached is slow to start, so we need to do this
 419     if (pid_file().empty() == false)
 420     {
 421       if (wait_for_pidfile() == false)
 422       {
 423         Error << "Pidfile was not found:" << pid_file();
 424         return -1;
 425       }
 426     }
 427
 428     memcached_return_t rc;
 429     bool ret;
 430
 431     if (has_socket())
 432     {
 433       ret= libmemcached_util_ping2(socket().c_str(), 0, username().c_str(), password().c_str(), &rc);
 434     }
 435     else
 436     {
 437       ret= libmemcached_util_ping2(hostname().c_str(), port(), username().c_str(), password().c_str(), &rc);
 438     }
 439
 440     if (memcached_failed(rc) or ret == false)
 441     {
 442       Error << "libmemcached_util_ping2(" << hostname() << ", " << port() << ", " << username() << ", " << password() << ") error: " << memcached_strerror(NULL, rc);
 443     }
 444
 445     return ret;
 446   }
 447
 448 };
 449
 450
 451 #include <sstream>
 452
 453 bool Memcached::build(size_t argc, const char *argv[])
 454 {
 455   std::stringstream arg_buffer;
 456
 457   if (getuid() == 0 or geteuid() == 0)
 458   {
 459     add_option("-u", "root");
 460   }
 461
 462   add_option("-l", "localhost");
 463   add_option("-m", "128");
 464   add_option("-M");
 465
 466   if (sasl())
 467   {
 468     add_option(sasl());
 469   }
 470
 471   for (int x= 0 ; x < argc ; x++)
 472   {
 473     add_option(argv[x]);
 474   }
 475
 476   return true;
 477 }
 478
 479 bool MemcachedLight::build(size_t argc, const char *argv[])
 480 {
 481   for (size_t x= 0 ; x < argc ; x++)
 482   {
 483     add_option(argv[x]);
 484   }
 485
 486   return true;
 487 }
 488
 489 namespace libtest {
 490
 491 libtest::Server *build_memcached(const std::string& hostname, const in_port_t try_port)
 492 {
 493   return new Memcached(hostname, try_port, false);
 494 }
 495
 496 libtest::Server *build_memcached_socket(const std::string& socket_file, const in_port_t try_port)
 497 {
 498   return new Memcached(socket_file, try_port, true);
 499 }
 500
 501 libtest::Server *build_memcached_light(const std::string& hostname, const in_port_t try_port)
 502 {
 503   return new MemcachedLight(hostname, try_port);
 504 }
 505
 506
 507 libtest::Server *build_memcached_sasl(const std::string& hostname, const in_port_t try_port, const std::string& username, const std::string &password)
 508 {
 509   if (username.empty())
 510   {
 511     return new MemcachedSaSL(hostname, try_port, false,  "memcached", "memcached");
 512   }
 513
 514   return new MemcachedSaSL(hostname, try_port, false,  username, password);
 515 }
 516
 517 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)
 518 {
 519   if (username.empty())
 520   {
 521     return new MemcachedSaSL(socket_file, try_port, true, "memcached", "memcached");
 522   }
 523
 524   return new MemcachedSaSL(socket_file, try_port, true, username, password);
 525 }
 526
 527 }
 528