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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 <libtest/gearmand.h>
  26
  27 #include "util/instance.hpp"
  28 #include "util/operation.hpp"
  29
  30 using namespace datadifferential;
  31 using namespace libtest;
  32
  33 #include <cassert>
  34 #include <cerrno>
  35 #include <cstdio>
  36 #include <cstdlib>
  37 #include <cstring>
  38 #include <iostream>
  39 #include <signal.h>
  40 #include <sstream>
  41 #include <sys/types.h>
  42 #include <sys/wait.h>
  43 #include <unistd.h>
  44
  45 #include <libgearman/gearman.h>
  46
  47 #ifndef __INTEL_COMPILER
  48 #pragma GCC diagnostic ignored "-Wold-style-cast"
  49 #endif
  50
  51 class GetPid : public util::Instance::Finish
  52 {
  53 private:
  54   pid_t _pid;
  55
  56 public:
  57   GetPid() :
  58     _pid(-1)
  59   { }
  60
  61   pid_t pid()
  62   {
  63     return _pid;
  64   }
  65
  66
  67   bool call(const bool success, const std::string &response)
  68   {
  69     _pid= -1;
  70     if (success and response.size())
  71     {
  72       _pid= atoi(response.c_str());
  73     }
  74
  75     if (is_pid_valid(_pid) == false)
  76     {
  77       _pid= -1;
  78       return false;
  79     }
  80
  81     return true;
  82   }
  83 };
  84
  85 using namespace libtest;
  86
  87 class Gearmand : public libtest::Server
  88 {
  89 private:
  90 public:
  91   Gearmand(const std::string& host_arg, in_port_t port_arg) :
  92     libtest::Server(host_arg, port_arg)
  93   {
  94     set_pid_file();
  95   }
  96
  97   pid_t get_pid(bool error_is_ok)
  98   {
  99     if (pid_file().empty() == false)
 100     {
 101       Wait wait(pid_file(), 0);
 102
 103       if (error_is_ok and not wait.successful())
 104       {
 105         Error << "Pidfile was not found:" << pid_file();
 106         return -1;
 107       }
 108     }
 109
 110     GetPid *get_instance_pid;
 111     util::Instance instance(hostname(), port());
 112     instance.set_finish(get_instance_pid= new GetPid);
 113
 114     instance.push(new util::Operation(test_literal_param("getpid\r\n"), true));
 115
 116     if (error_is_ok and instance.run() == false)
 117     {
 118       Error << "Failed to obtain pid of server";
 119     }
 120
 121     return get_instance_pid->pid();
 122   }
 123
 124   bool ping()
 125   {
 126     gearman_client_st *client= gearman_client_create(NULL);
 127     if (client == NULL)
 128     {
 129       Error << "Could not allocate memory for gearman_client_create()";
 130       return false;
 131     }
 132     gearman_client_set_timeout(client, 3000);
 133
 134     if (gearman_success(gearman_client_add_server(client, hostname().c_str(), port())))
 135     {
 136       gearman_return_t rc= gearman_client_echo(client, test_literal_param("This is my echo test"));
 137
 138       if (gearman_success(rc))
 139       {
 140         gearman_client_free(client);
 141         return true;
 142       }
 143 #if 0
 144       Error << hostname().c_str() << ":" << port() << " was " << gearman_strerror(rc) << " extended: " << gearman_client_error(client);
 145 #endif
 146     }
 147     else
 148     {
 149       Error << "gearman_client_add_server() " << gearman_client_error(client);
 150     }
 151
 152     gearman_client_free(client);
 153
 154     return false;;
 155   }
 156
 157   const char *name()
 158   {
 159     return "gearmand";
 160   };
 161
 162   const char *executable()
 163   {
 164     return GEARMAND_BINARY;
 165   }
 166
 167   const char *daemon_file_option()
 168   {
 169     return "--daemon";
 170   }
 171
 172   void log_file_option(Application& app, const std::string& arg)
 173   {
 174     if (arg.empty() == false)
 175     {
 176       std::string buffer("--log-file=");
 177       buffer+= arg;
 178       app.add_option("--verbose=DEBUG");
 179       app.add_option(buffer);
 180     }
 181   }
 182
 183   bool has_log_file_option() const
 184   {
 185     return true;
 186   }
 187
 188   bool is_libtool()
 189   {
 190     return true;
 191   }
 192
 193   bool has_syslog() const
 194   {
 195     return true;
 196   }
 197
 198   bool has_port_option() const
 199   {
 200     return true;
 201   }
 202
 203   bool build(int argc, const char *argv[]);
 204 };
 205
 206 bool Gearmand::build(int argc, const char *argv[])
 207 {
 208   std::stringstream arg_buffer;
 209
 210   if (getuid() == 0 or geteuid() == 0)
 211   {
 212     add_option("-u", "root");
 213   }
 214
 215   add_option("--listen=localhost");
 216
 217   for (int x= 1 ; x < argc ; x++)
 218   {
 219     add_option(argv[x]);
 220   }
 221
 222   return true;
 223 }
 224
 225 namespace libtest {
 226
 227 libtest::Server *build_gearmand(const char *hostname, in_port_t try_port)
 228 {
 229   return new Gearmand(hostname, try_port);
 230 }
 231
 232 }