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 #include "src/simix/smx_private.h"
  16
  17 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor,"S4U actors");
  18
  19 using namespace simgrid;
  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_ = SIMIX_process_ref(simcall_process_create(
  26     name, std::move(code), nullptr, host->name().c_str(),
  27     killTime, nullptr, 0));
  28 }
  29
  30 s4u::Actor::Actor(const char* name, s4u::Host *host, double killTime, const char* function, simgrid::xbt::args args)
  31 {
  32   simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
  33   simgrid::simix::ActorCode code = factory(std::move(args));
  34   this->pimpl_ = SIMIX_process_ref(simcall_process_create(
  35     name, std::move(code), nullptr, host->name().c_str(),
  36     killTime, nullptr, 0));
  37 }
  38
  39 void s4u::Actor::join() {
  40   simcall_process_join(pimpl_, -1);
  41 }
  42
  43 void s4u::Actor::setAutoRestart(bool autorestart) {
  44   simcall_process_auto_restart_set(pimpl_,autorestart);
  45 }
  46
  47 s4u::Host *s4u::Actor::getHost() {
  48   return s4u::Host::by_name(sg_host_get_name(simcall_process_get_host(pimpl_)));
  49 }
  50
  51 const char* s4u::Actor::getName() {
  52   return simcall_process_get_name(pimpl_);
  53 }
  54
  55 int s4u::Actor::getPid(){
  56   return simcall_process_get_PID(pimpl_);
  57 }
  58
  59 void s4u::Actor::setKillTime(double time) {
  60   simcall_process_set_kill_time(pimpl_,time);
  61 }
  62
  63 double s4u::Actor::getKillTime() {
  64   return simcall_process_get_kill_time(pimpl_);
  65 }
  66
  67 void s4u::Actor::kill(int pid) {
  68   msg_process_t process = SIMIX_process_from_PID(pid);
  69   if(process != nullptr) {
  70     simcall_process_kill(process);
  71   } else {
  72     std::ostringstream oss;
  73     oss << "kill: ("<< pid <<") - No such process" << std::endl;
  74     throw std::runtime_error(oss.str());
  75   }
  76 }
  77
  78 void s4u::Actor::kill() {
  79   simcall_process_kill(pimpl_);
  80 }
  81
  82 simgrid::s4u::Actor s4u::Actor::forPid(int pid)
  83 {
  84   // Should we throw if we did not find it?
  85   smx_process_t process = SIMIX_process_from_PID(pid);
  86   return simgrid::s4u::Actor(process);
  87 }
  88
  89 // static stuff:
  90
  91 void s4u::Actor::killAll() {
  92   simcall_process_killall(1);
  93 }
  94
  95
  96 namespace simgrid {
  97 namespace s4u {
  98 namespace this_actor {
  99
 100 void sleep(double duration) {
 101   simcall_process_sleep(duration);
 102 }
 103
 104 e_smx_state_t execute(double flops) {
 105   smx_synchro_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/, 0L/*affinity*/);
 106   return simcall_execution_wait(s);
 107 }
 108
 109 void* recv(Mailbox &chan) {
 110   void *res = nullptr;
 111   Comm c = Comm::recv_init(chan);
 112   c.setDstData(&res,sizeof(res));
 113   c.wait();
 114   return res;
 115 }
 116
 117 void send(Mailbox &chan, void *payload, size_t simulatedSize) {
 118   Comm c = Comm::send_init(chan);
 119   c.setRemains(simulatedSize);
 120   c.setSrcData(payload);
 121   // c.start() is optional.
 122   c.wait();
 123 }
 124
 125 int getPid() {
 126   return simcall_process_get_PID(SIMIX_process_self());
 127 }
 128
 129 }
 130 }
 131 }