git.m6w6.name Git - awesomized/libmemcached/blob - libtest/blobslap_worker.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  libtest
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *
   7  *  Redistribution and use in source and binary forms, with or without
   8  *  modification, are permitted provided that the following conditions are
   9  *  met:
  10  *
  11  *      * Redistributions of source code must retain the above copyright
  12  *  notice, this list of conditions and the following disclaimer.
  13  *
  14  *      * Redistributions in binary form must reproduce the above
  15  *  copyright notice, this list of conditions and the following disclaimer
  16  *  in the documentation and/or other materials provided with the
  17  *  distribution.
  18  *
  19  *      * The names of its contributors may not be used to endorse or
  20  *  promote products derived from this software without specific prior
  21  *  written permission.
  22  *
  23  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  24  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  25  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  26  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  27  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  28  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  29  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  *
  35  */
  36
  37 #include <libtest/common.h>
  38 #include <libtest/blobslap_worker.h>
  39 #include <libtest/killpid.h>
  40
  41 using namespace libtest;
  42
  43 #include <cassert>
  44 #include <cerrno>
  45 #include <cstdio>
  46 #include <cstdlib>
  47 #include <cstring>
  48 #include <iostream>
  49 #include <signal.h>
  50 #include <sys/types.h>
  51 #include <sys/wait.h>
  52 #include <unistd.h>
  53
  54 #include <libgearman/gearman.h>
  55
  56 #ifndef __INTEL_COMPILER
  57 #pragma GCC diagnostic ignored "-Wold-style-cast"
  58 #endif
  59
  60 using namespace libtest;
  61
  62 class BlobslapWorker : public Server
  63 {
  64 private:
  65 public:
  66   BlobslapWorker(in_port_t port_arg) :
  67     Server("localhost", port_arg)
  68   { }
  69
  70   pid_t get_pid(bool error_is_ok)
  71   {
  72     if (not pid_file().empty())
  73     {
  74       Wait wait(pid_file(), 0);
  75
  76       if (error_is_ok and not wait.successful())
  77       {
  78         Error << "Pidfile was not found:" << pid_file();
  79         return -1;
  80
  81         return get_pid_from_file(pid_file());
  82       }
  83     }
  84
  85     return -1;
  86   }
  87
  88   bool ping()
  89   {
  90     if (pid_file().empty())
  91     {
  92       Error << "No pid file available";
  93       return false;
  94     }
  95
  96     Wait wait(pid_file(), 0);
  97     if (not wait.successful())
  98     {
  99       Error << "Pidfile was not found:" << pid_file();
 100       return false;
 101     }
 102
 103     pid_t local_pid= get_pid_from_file(pid_file());
 104     if (local_pid <= 0)
 105     {
 106       return false;
 107     }
 108
 109     if (::kill(local_pid, 0) == 0)
 110     {
 111       return true;
 112     }
 113
 114     return false;
 115   }
 116
 117   const char *name()
 118   {
 119     return "blobslap_worker";
 120   };
 121
 122   const char *executable()
 123   {
 124     return GEARMAND_BLOBSLAP_WORKER;
 125   }
 126
 127   const char *pid_file_option()
 128   {
 129     return "--pid-file=";
 130   }
 131
 132   const char *daemon_file_option()
 133   {
 134     return "--daemon";
 135   }
 136
 137   const char *log_file_option()
 138   {
 139     return NULL;
 140   }
 141
 142   const char *port_option()
 143   {
 144     return "--port=";
 145   }
 146
 147   bool is_libtool()
 148   {
 149     return true;
 150   }
 151
 152   bool build(int argc, const char *argv[]);
 153 };
 154
 155
 156 #include <sstream>
 157
 158 bool BlobslapWorker::build(int argc, const char *argv[])
 159 {
 160   std::stringstream arg_buffer;
 161
 162   for (int x= 1 ; x < argc ; x++)
 163   {
 164     arg_buffer << " " << argv[x] << " ";
 165   }
 166
 167   set_extra_args(arg_buffer.str());
 168
 169   return true;
 170 }
 171
 172 namespace libtest {
 173
 174 Server *build_blobslap_worker(in_port_t try_port)
 175 {
 176   return new BlobslapWorker(try_port);
 177 }
 178
 179 }