hostdata.cpp

   1 #include <algorithm>
   2 #include <cstring>
   3 #include <functional>
   4 #include <stdexcept>
   5 #include <xbt/log.h>
   6 #include <xbt/sysdep.h>
   7
   8 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main);
   9
  10 #include "misc.h"
  11 #include "options.h"
  12
  13 #include "hostdata.h"
  14
  15 std::vector<hostdata> hostdata::hosts;
  16
  17 void hostdata::create()
  18 {
  19     using std::placeholders::_1;
  20     using std::placeholders::_2;
  21
  22 #if SIMGRID_VERSION < MAKE_SIMGRID_VERSION(3, 7, 0)
  23     int nhosts = MSG_get_host_number();
  24     msg_host_t* host_list = MSG_get_host_table();
  25 #else // API changed with SG 3.7.0
  26     xbt_dynar_t host_dynar = MSG_hosts_as_dynar();
  27     int nhosts = xbt_dynar_length(host_dynar);
  28     msg_host_t* host_list = static_cast<msg_host_t*>(xbt_dynar_to_array(host_dynar));
  29 #endif
  30     // only sort hosts for automatically created deployment
  31     if (opt::auto_depl::enabled)
  32         std::sort(host_list, host_list + nhosts,
  33                   std::bind(std::less<int>(),
  34                             std::bind(strcmp,
  35                                       std::bind(MSG_host_get_name, _1),
  36                                       std::bind(MSG_host_get_name, _2)), 0));
  37     hosts.assign(host_list, host_list + nhosts);
  38     xbt_free(host_list);
  39
  40     e_xbt_log_priority_t logp = xbt_log_priority_verbose;
  41     if (!LOG_ISENABLED(logp))
  42         return;
  43     XBT_LOG(logp, "Got %zu hosts.", hosts.size());
  44     for (int i = 0; i < nhosts; i++) {
  45         XBT_LOG(logp, "Host #%d named \"%s\".", i, hosts[i].get_name());
  46     }
  47 }
  48
  49 void hostdata::destroy()
  50 {
  51     // hosts are automatically destroyed...
  52 }
  53
  54 hostdata::hostdata(msg_host_t host)
  55     : name(MSG_host_get_name(host))
  56     , ctrl_mbox(std::string(name) + "_ctrl")
  57     , data_mbox(std::string(name) + "_data")
  58 {
  59     MSG_host_set_data(host, this);
  60 }
  61
  62 hostdata::~hostdata()
  63 {
  64 }