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