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   2  *
   3  *  Libmemcached library
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   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
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  36
  37 #include <config.h>
  38 #include <iostream>
  39 #include <cstdlib>
  40 #include <cassert>
  41
  42 #include <libtest/server.h>
  43 #include <libtest/killpid.h>
  44
  45
  46 std::ostream& operator<<(std::ostream& output, const server_st &arg)
  47 {
  48   if (arg.is_socket())
  49   {
  50     output << arg.hostname;
  51   }
  52   else
  53   {
  54     output << arg.hostname << ":" << arg.port();
  55   }
  56   return output;  // for multiple << operators
  57 }
  58
  59 static void global_sleep(void)
  60 {
  61   static struct timespec global_sleep_value= { 0, 50000 };
  62
  63 #ifdef WIN32
  64   sleep(1);
  65 #else
  66   nanosleep(&global_sleep_value, NULL);
  67 #endif
  68 }
  69
  70 server_st::~server_st()
  71 {
  72   if (has_pid())
  73   {
  74     kill();
  75   }
  76 }
  77
  78 bool server_st::start()
  79 {
  80   assert(not _command.empty());
  81   assert(not has_pid());
  82
  83   if (has_pid())
  84     return false;
  85
  86   if (system(_command.c_str()) == -1)
  87     return false;
  88
  89   int count= 30;
  90   while (not ping() and --count)
  91   {
  92     global_sleep();
  93   }
  94
  95   if (count == 0)
  96   {
  97     return false;
  98   }
  99
 100   _pid= get_pid();
 101
 102   return has_pid();
 103 }
 104
 105 void server_st::reset_pid()
 106 {
 107   pid_file[0]= 0;
 108   _pid= -1;
 109 }
 110
 111 pid_t server_st::pid()
 112 {
 113   if (not has_pid())
 114   {
 115     _pid= get_pid();
 116   }
 117
 118   return _pid;
 119 }
 120
 121
 122 bool server_st::kill()
 123 {
 124   if (is_used())
 125     return false;
 126
 127   if ((_pid= get_pid()))
 128   {
 129     kill_pid(_pid);
 130     if (pid_file[0])
 131     {
 132       unlink(pid_file); // If this happens we may be dealing with a dead server that left its pid file.
 133     }
 134     reset_pid();
 135
 136     return true;
 137   }
 138 #if 0
 139   else if (pid_file[0])
 140   {
 141     kill_file(pid_file);
 142     reset_pid();
 143
 144     return true;
 145   }
 146 #endif
 147
 148   return false;
 149 }
 150
 151 server_startup_st::~server_startup_st()
 152 { }