src/s4u/s4u_actor.cpp

   1 /* Copyright (c) 2006-2014. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "xbt/log.h"
   8 #include "src/msg/msg_private.h"
   9
  10 #include "simgrid/s4u/actor.hpp"
  11 #include "simgrid/s4u/comm.hpp"
  12 #include "simgrid/s4u/host.hpp"
  13 #include "simgrid/s4u/mailbox.hpp"
  14
  15 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor,"S4U actors");
  16
  17 using namespace simgrid;
  18
  19 s4u::Actor::Actor(smx_process_t smx_proc) : pimpl_(smx_proc) {}
  20
  21 s4u::Actor::Actor(const char* name, s4u::Host *host, double killTime, std::function<void()> code)
  22 {
  23   // TODO, when autorestart is used, the std::function is copied so the new
  24   // instance will get a fresh (reinitialized) state. Is this what we want?
  25   this->pimpl_ = simcall_process_create(
  26     name, std::move(code), nullptr, host->name().c_str(),
  27     killTime, NULL, 0);
  28 }
  29
  30 s4u::Actor::~Actor() {}
  31
  32 void s4u::Actor::join() {
  33   simcall_process_join(pimpl_, -1);
  34 }
  35
  36 void s4u::Actor::setAutoRestart(bool autorestart) {
  37   simcall_process_auto_restart_set(pimpl_,autorestart);
  38 }
  39
  40 s4u::Host *s4u::Actor::getHost() {
  41   return s4u::Host::by_name(sg_host_get_name(simcall_process_get_host(pimpl_)));
  42 }
  43
  44 const char* s4u::Actor::getName() {
  45   return simcall_process_get_name(pimpl_);
  46 }
  47
  48 int s4u::Actor::getPid(){
  49   return simcall_process_get_PID(pimpl_);
  50 }
  51
  52 void s4u::Actor::setKillTime(double time) {
  53   simcall_process_set_kill_time(pimpl_,time);
  54 }
  55
  56 double s4u::Actor::getKillTime() {
  57   return simcall_process_get_kill_time(pimpl_);
  58 }
  59
  60 void s4u::Actor::kill(int pid) {
  61   msg_process_t process = SIMIX_process_from_PID(pid);
  62   if(process != NULL) {
  63     simcall_process_kill(process);
  64   } else {
  65     std::ostringstream oss;
  66     oss << "kill: ("<< pid <<") - No such process" << std::endl;
  67     throw std::runtime_error(oss.str());
  68   }
  69 }
  70
  71 void s4u::Actor::kill() {
  72   simcall_process_kill(pimpl_);
  73 }
  74
  75 // static stuff:
  76
  77 void s4u::Actor::killAll() {
  78   simcall_process_killall(1);
  79 }
  80
  81
  82 namespace simgrid {
  83 namespace s4u {
  84 namespace this_actor {
  85
  86 void sleep(double duration) {
  87   simcall_process_sleep(duration);
  88 }
  89
  90 e_smx_state_t execute(double flops) {
  91   smx_synchro_t s = simcall_execution_start(NULL,flops,1.0/*priority*/,0./*bound*/, 0L/*affinity*/);
  92   return simcall_execution_wait(s);
  93 }
  94
  95 void* recv(Mailbox &chan) {
  96   void *res = NULL;
  97   Comm c = Comm::recv_init(chan);
  98   c.setDstData(&res,sizeof(res));
  99   c.wait();
 100   return res;
 101 }
 102
 103 void send(Mailbox &chan, void *payload, size_t simulatedSize) {
 104   Comm c = Comm::send_init(chan);
 105   c.setRemains(simulatedSize);
 106   c.setSrcData(payload);
 107   // c.start() is optional.
 108   c.wait();
 109 }
 110
 111 }
 112 }
 113 }