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 <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       Wait wait(pid_file(), 0);
  91
  92       if (error_is_ok and not wait.successful())
  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;
 101     if (has_socket())
 102     {
 103       if (username().empty())
 104       {
 105         local_pid= libmemcached_util_getpid(socket().c_str(), 0, &rc);
 106       }
 107       else
 108       {
 109         local_pid= libmemcached_util_getpid2(socket().c_str(), 0, username().c_str(), password().c_str(), &rc);
 110       }
 111     }
 112     else
 113     {
 114       if (username().empty())
 115       {
 116         local_pid= libmemcached_util_getpid(hostname().c_str(), port(), &rc);
 117       }
 118       else
 119       {
 120         local_pid= libmemcached_util_getpid2(hostname().c_str(), port(), username().c_str(), password().c_str(), &rc);
 121       }
 122     }
 123
 124     if (error_is_ok and ((memcached_failed(rc) or not is_pid_valid(local_pid))))
 125     {
 126       Error << "libmemcached_util_getpid(" << memcached_strerror(NULL, rc) << ") pid: " << local_pid << " for:" << *this;
 127     }
 128
 129     return local_pid;
 130   }
 131
 132   bool ping()
 133   {
 134     // Memcached is slow to start, so we need to do this
 135     if (not pid_file().empty())
 136     {
 137       Wait wait(pid_file(), 0);
 138
 139       if (not wait.successful())
 140       {
 141         Error << "Pidfile was not found:" << pid_file();
 142         return -1;
 143       }
 144     }
 145
 146     memcached_return_t rc;
 147     bool ret;
 148
 149     if (has_socket())
 150     {
 151       if (username().empty())
 152       {
 153         ret= libmemcached_util_ping(socket().c_str(), 0, &rc);
 154       }
 155       else
 156       {
 157         ret= libmemcached_util_ping2(socket().c_str(), 0, username().c_str(), password().c_str(), &rc);
 158       }
 159     }
 160     else
 161     {
 162       if (username().empty())
 163       {
 164         ret= libmemcached_util_ping(hostname().c_str(), port(), &rc);
 165       }
 166       else
 167       {
 168         ret= libmemcached_util_ping2(hostname().c_str(), port(), username().c_str(), password().c_str(), &rc);
 169       }
 170     }
 171
 172     if (memcached_failed(rc) or not ret)
 173     {
 174       if (username().empty())
 175       {
 176         Error << "libmemcached_util_ping(" << hostname() << ", " << port() << ") error: " << memcached_strerror(NULL, rc);
 177       }
 178       else
 179       {
 180         Error << "libmemcached_util_ping2(" << hostname() << ", " << port() << ", " << username() << ", " << password() << ") error: " << memcached_strerror(NULL, rc);
 181       }
 182     }
 183
 184     return ret;
 185   }
 186
 187   const char *name()
 188   {
 189     return "memcached";
 190   };
 191
 192   const char *executable()
 193   {
 194     return MEMCACHED_BINARY;
 195   }
 196
 197   const char *pid_file_option()
 198   {
 199     return "-P ";
 200   }
 201
 202   const char *socket_file_option() const
 203   {
 204     return "-s ";
 205   }
 206
 207   const char *daemon_file_option()
 208   {
 209     return "-d";
 210   }
 211
 212   const char *log_file_option()
 213   {
 214     return NULL;
 215   }
 216
 217   const char *port_option()
 218   {
 219     return "-p ";
 220   }
 221
 222   bool is_libtool()
 223   {
 224     return false;
 225   }
 226
 227   bool broken_socket_cleanup()
 228   {
 229     return true;
 230   }
 231
 232   // Memcached's pidfile is broken
 233   bool broken_pid_file()
 234   {
 235     return true;
 236   }
 237
 238   bool build(int argc, const char *argv[]);
 239 };
 240
 241 class MemcachedSaSL : public Memcached
 242 {
 243 public:
 244   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) :
 245     Memcached(host_arg, port_arg, is_socket_arg, username_arg, password_arg)
 246   { }
 247
 248   const char *name()
 249   {
 250     return "memcached-sasl";
 251   };
 252
 253   const char *sasl() const
 254   {
 255     return " -S -B binary ";
 256   }
 257
 258   const char *executable()
 259   {
 260     return MEMCACHED_SASL_BINARY;
 261   }
 262
 263 };
 264
 265
 266 #include <sstream>
 267
 268 bool Memcached::build(int argc, const char *argv[])
 269 {
 270   std::stringstream arg_buffer;
 271
 272   if (getuid() == 0 or geteuid() == 0)
 273   {
 274     arg_buffer << " -u root ";
 275   }
 276
 277   arg_buffer << " -l 127.0.0.1 ";
 278   arg_buffer << " -m 128 ";
 279   arg_buffer << " -M ";
 280
 281   if (sasl())
 282   {
 283     arg_buffer << sasl();
 284   }
 285
 286   for (int x= 1 ; x < argc ; x++)
 287   {
 288     arg_buffer << " " << argv[x] << " ";
 289   }
 290
 291   set_extra_args(arg_buffer.str());
 292
 293   return true;
 294 }
 295
 296 namespace libtest {
 297
 298 libtest::Server *build_memcached(const std::string& hostname, const in_port_t try_port)
 299 {
 300   return new Memcached(hostname, try_port, false);
 301 }
 302
 303 libtest::Server *build_memcached_socket(const std::string& socket_file, const in_port_t try_port)
 304 {
 305   return new Memcached(socket_file, try_port, true);
 306 }
 307
 308
 309 libtest::Server *build_memcached_sasl(const std::string& hostname, const in_port_t try_port, const std::string& username, const std::string &password)
 310 {
 311   return new MemcachedSaSL(hostname, try_port, false,  username, password);
 312 }
 313
 314 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)
 315 {
 316   return new MemcachedSaSL(socket_file, try_port, true, username, password);
 317 }
 318
 319 }
 320