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   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/memcached.h>
  26 #include <libmemcached/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 (not pid_file().empty())
  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       local_pid= libmemcached_util_getpid(socket().c_str(), 0, &rc);
 102     }
 103     else
 104     {
 105       local_pid= libmemcached_util_getpid(hostname().c_str(), port(), &rc);
 106     }
 107
 108     if (error_is_ok and ((memcached_failed(rc) or not is_pid_valid(local_pid))))
 109     {
 110       Error << "libmemcached_util_getpid(" << memcached_strerror(NULL, rc) << ") pid: " << local_pid << " for:" << *this;
 111     }
 112
 113     return local_pid;
 114   }
 115
 116   bool ping()
 117   {
 118     // Memcached is slow to start, so we need to do this
 119     if (not pid_file().empty())
 120     {
 121       if (not wait_for_pidfile())
 122       {
 123         Error << "Pidfile was not found:" << pid_file();
 124         return -1;
 125       }
 126     }
 127
 128     memcached_return_t rc;
 129     bool ret;
 130
 131     if (has_socket())
 132     {
 133         ret= libmemcached_util_ping(socket().c_str(), 0, &rc);
 134     }
 135     else
 136     {
 137       ret= libmemcached_util_ping(hostname().c_str(), port(), &rc);
 138     }
 139
 140     if (memcached_failed(rc) or not ret)
 141     {
 142       Error << "libmemcached_util_ping(" << hostname() << ", " << port() << ") error: " << memcached_strerror(NULL, rc);
 143     }
 144
 145     return ret;
 146   }
 147
 148   const char *name()
 149   {
 150     return "memcached";
 151   };
 152
 153   const char *executable()
 154   {
 155     return MEMCACHED_BINARY;
 156   }
 157
 158   const char *pid_file_option()
 159   {
 160     return "-P ";
 161   }
 162
 163   const char *socket_file_option() const
 164   {
 165     return "-s ";
 166   }
 167
 168   const char *daemon_file_option()
 169   {
 170     return "-d";
 171   }
 172
 173   const char *log_file_option()
 174   {
 175     return NULL;
 176   }
 177
 178   const char *port_option()
 179   {
 180     return "-p ";
 181   }
 182
 183   bool is_libtool()
 184   {
 185     return false;
 186   }
 187
 188   bool broken_socket_cleanup()
 189   {
 190     return true;
 191   }
 192
 193   // Memcached's pidfile is broken
 194   bool broken_pid_file()
 195   {
 196     return true;
 197   }
 198
 199   bool build(int argc, const char *argv[]);
 200 };
 201
 202 class MemcachedSaSL : public Memcached
 203 {
 204 public:
 205   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) :
 206     Memcached(host_arg, port_arg, is_socket_arg, username_arg, password_arg)
 207   { }
 208
 209   const char *name()
 210   {
 211     return "memcached-sasl";
 212   };
 213
 214   const char *sasl() const
 215   {
 216     return " -S -B binary ";
 217   }
 218
 219   const char *executable()
 220   {
 221     return MEMCACHED_SASL_BINARY;
 222   }
 223
 224   pid_t get_pid(bool error_is_ok)
 225   {
 226     // Memcached is slow to start, so we need to do this
 227     if (not pid_file().empty())
 228     {
 229       if (error_is_ok and not wait_for_pidfile())
 230       {
 231         Error << "Pidfile was not found:" << pid_file();
 232         return -1;
 233       }
 234     }
 235
 236     pid_t local_pid;
 237     memcached_return_t rc;
 238     if (has_socket())
 239     {
 240       local_pid= libmemcached_util_getpid2(socket().c_str(), 0, username().c_str(), password().c_str(), &rc);
 241     }
 242     else
 243     {
 244       local_pid= libmemcached_util_getpid2(hostname().c_str(), port(), username().c_str(), password().c_str(), &rc);
 245     }
 246
 247     if (error_is_ok and ((memcached_failed(rc) or not is_pid_valid(local_pid))))
 248     {
 249       Error << "libmemcached_util_getpid2(" << memcached_strerror(NULL, rc) << ") username: " << username() << " password: " << password() << " pid: " << local_pid << " for:" << *this;
 250     }
 251
 252     return local_pid;
 253   }
 254
 255   bool ping()
 256   {
 257     // Memcached is slow to start, so we need to do this
 258     if (not pid_file().empty())
 259     {
 260       if (not wait_for_pidfile())
 261       {
 262         Error << "Pidfile was not found:" << pid_file();
 263         return -1;
 264       }
 265     }
 266
 267     memcached_return_t rc;
 268     bool ret;
 269
 270     if (has_socket())
 271     {
 272       ret= libmemcached_util_ping2(socket().c_str(), 0, username().c_str(), password().c_str(), &rc);
 273     }
 274     else
 275     {
 276       ret= libmemcached_util_ping2(hostname().c_str(), port(), username().c_str(), password().c_str(), &rc);
 277     }
 278
 279     if (memcached_failed(rc) or not ret)
 280     {
 281       Error << "libmemcached_util_ping2(" << hostname() << ", " << port() << ", " << username() << ", " << password() << ") error: " << memcached_strerror(NULL, rc);
 282     }
 283
 284     return ret;
 285   }
 286
 287 };
 288
 289
 290 #include <sstream>
 291
 292 bool Memcached::build(int argc, const char *argv[])
 293 {
 294   std::stringstream arg_buffer;
 295
 296   if (getuid() == 0 or geteuid() == 0)
 297   {
 298     arg_buffer << " -u root ";
 299   }
 300
 301   arg_buffer << " -l 127.0.0.1 ";
 302   arg_buffer << " -m 128 ";
 303   arg_buffer << " -M ";
 304
 305   if (sasl())
 306   {
 307     arg_buffer << sasl();
 308   }
 309
 310   for (int x= 1 ; x < argc ; x++)
 311   {
 312     arg_buffer << " " << argv[x] << " ";
 313   }
 314
 315   set_extra_args(arg_buffer.str());
 316
 317   return true;
 318 }
 319
 320 namespace libtest {
 321
 322 libtest::Server *build_memcached(const std::string& hostname, const in_port_t try_port)
 323 {
 324   return new Memcached(hostname, try_port, false);
 325 }
 326
 327 libtest::Server *build_memcached_socket(const std::string& socket_file, const in_port_t try_port)
 328 {
 329   return new Memcached(socket_file, try_port, true);
 330 }
 331
 332
 333 libtest::Server *build_memcached_sasl(const std::string& hostname, const in_port_t try_port, const std::string& username, const std::string &password)
 334 {
 335   if (username.empty())
 336   {
 337     return new MemcachedSaSL(hostname, try_port, false,  "memcached", "memcached");
 338   }
 339
 340   return new MemcachedSaSL(hostname, try_port, false,  username, password);
 341 }
 342
 343 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)
 344 {
 345   if (username.empty())
 346   {
 347     return new MemcachedSaSL(socket_file, try_port, true, "memcached", "memcached");
 348   }
 349
 350   return new MemcachedSaSL(socket_file, try_port, true, username, password);
 351 }
 352
 353 }
 354