git.m6w6.name Git - m6w6/libmemcached/blob - libtest/gearmand.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 <libtest/gearmand.h>
  27
  28 #include "util/instance.hpp"
  29 #include "util/operation.hpp"
  30
  31 using namespace datadifferential;
  32 using namespace libtest;
  33
  34 #include <cassert>
  35 #include <cerrno>
  36 #include <cstdio>
  37 #include <cstdlib>
  38 #include <cstring>
  39 #include <iostream>
  40 #include <signal.h>
  41 #include <sstream>
  42 #include <sys/types.h>
  43 #include <sys/wait.h>
  44 #include <unistd.h>
  45
  46 #include <libgearman/gearman.h>
  47
  48 #ifndef __INTEL_COMPILER
  49 #pragma GCC diagnostic ignored "-Wold-style-cast"
  50 #endif
  51
  52 class GetPid : public util::Instance::Finish
  53 {
  54 private:
  55   pid_t _pid;
  56
  57 public:
  58   GetPid() :
  59     _pid(-1)
  60   { }
  61
  62   pid_t pid()
  63   {
  64     return _pid;
  65   }
  66
  67
  68   bool call(const bool success, const std::string &response)
  69   {
  70     _pid= -1;
  71     if (success and response.size())
  72     {
  73       _pid= atoi(response.c_str());
  74     }
  75
  76     if (is_pid_valid(_pid) == false)
  77     {
  78       _pid= -1;
  79       return false;
  80     }
  81
  82     return true;
  83   }
  84 };
  85
  86 using namespace libtest;
  87
  88 class Gearmand : public libtest::Server
  89 {
  90 private:
  91 public:
  92   Gearmand(const std::string& host_arg, in_port_t port_arg) :
  93     libtest::Server(host_arg, port_arg)
  94   {
  95     set_pid_file();
  96   }
  97
  98   pid_t get_pid(bool error_is_ok)
  99   {
 100     if (pid_file().empty() == false)
 101     {
 102       Wait wait(pid_file(), 0);
 103
 104       if (error_is_ok and not wait.successful())
 105       {
 106         Error << "Pidfile was not found:" << pid_file();
 107         return -1;
 108       }
 109     }
 110
 111     GetPid *get_instance_pid;
 112     util::Instance instance(hostname(), port());
 113     instance.set_finish(get_instance_pid= new GetPid);
 114
 115     instance.push(new util::Operation(test_literal_param("getpid\r\n"), true));
 116
 117     if (error_is_ok and instance.run() == false)
 118     {
 119       Error << "Failed to obtain pid of server";
 120     }
 121
 122     return get_instance_pid->pid();
 123   }
 124
 125   bool ping()
 126   {
 127     gearman_client_st *client= gearman_client_create(NULL);
 128     if (client == NULL)
 129     {
 130       Error << "Could not allocate memory for gearman_client_create()";
 131       return false;
 132     }
 133     gearman_client_set_timeout(client, 3000);
 134
 135     if (gearman_success(gearman_client_add_server(client, hostname().c_str(), port())))
 136     {
 137       gearman_return_t rc= gearman_client_echo(client, test_literal_param("This is my echo test"));
 138
 139       if (gearman_success(rc))
 140       {
 141         gearman_client_free(client);
 142         return true;
 143       }
 144 #if 0
 145       Error << hostname().c_str() << ":" << port() << " was " << gearman_strerror(rc) << " extended: " << gearman_client_error(client);
 146 #endif
 147     }
 148     else
 149     {
 150       Error << "gearman_client_add_server() " << gearman_client_error(client);
 151     }
 152
 153     gearman_client_free(client);
 154
 155     return false;;
 156   }
 157
 158   const char *name()
 159   {
 160     return "gearmand";
 161   };
 162
 163   const char *executable()
 164   {
 165     return GEARMAND_BINARY;
 166   }
 167
 168   const char *daemon_file_option()
 169   {
 170     return "--daemon";
 171   }
 172
 173   void log_file_option(Application& app, const std::string& arg)
 174   {
 175     if (arg.empty() == false)
 176     {
 177       std::string buffer("--log-file=");
 178       buffer+= arg;
 179       app.add_option("--verbose=DEBUG");
 180       app.add_option(buffer);
 181     }
 182   }
 183
 184   bool has_log_file_option() const
 185   {
 186     return true;
 187   }
 188
 189   bool is_libtool()
 190   {
 191     return true;
 192   }
 193
 194   bool has_syslog() const
 195   {
 196     return true;
 197   }
 198
 199   bool has_port_option() const
 200   {
 201     return true;
 202   }
 203
 204   bool build(size_t argc, const char *argv[]);
 205 };
 206
 207 bool Gearmand::build(size_t argc, const char *argv[])
 208 {
 209   std::stringstream arg_buffer;
 210
 211   if (getuid() == 0 or geteuid() == 0)
 212   {
 213     add_option("-u", "root");
 214   }
 215
 216   add_option("--listen=localhost");
 217
 218   for (size_t x= 0 ; x < argc ; x++)
 219   {
 220     add_option(argv[x]);
 221   }
 222
 223   return true;
 224 }
 225
 226 namespace libtest {
 227
 228 libtest::Server *build_gearmand(const char *hostname, in_port_t try_port)
 229 {
 230   return new Gearmand(hostname, try_port);
 231 }
 232
 233 }