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 namespace simgrid {
  20 namespace s4u {
  21
  22 Actor::Actor(const char* name, s4u::Host *host, double killTime, std::function<void()> code)
  23 {
  24   // TODO, when autorestart is used, the std::function is copied so the new
  25   // instance will get a fresh (reinitialized) state. Is this what we want?
  26   this->pimpl_ = SIMIX_process_ref(simcall_process_create(
  27     name, std::move(code), nullptr, host->name().c_str(),
  28     killTime, nullptr, 0));
  29 }
  30
  31 Actor::Actor(const char* name, s4u::Host *host, double killTime,
  32   const char* function, std::vector<std::string> args)
  33 {
  34   simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
  35   simgrid::simix::ActorCode code = factory(std::move(args));
  36   this->pimpl_ = SIMIX_process_ref(simcall_process_create(
  37     name, std::move(code), nullptr, host->name().c_str(),
  38     killTime, nullptr, 0));
  39 }
  40
  41 void Actor::join() {
  42   simcall_process_join(pimpl_, -1);
  43 }
  44
  45 void Actor::setAutoRestart(bool autorestart) {
  46   simcall_process_auto_restart_set(pimpl_,autorestart);
  47 }
  48
  49 s4u::Host *Actor::getHost() {
  50   return s4u::Host::by_name(sg_host_get_name(simcall_process_get_host(pimpl_)));
  51 }
  52
  53 const char* Actor::getName() {
  54   return simcall_process_get_name(pimpl_);
  55 }
  56
  57 int Actor::getPid(){
  58   return simcall_process_get_PID(pimpl_);
  59 }
  60
  61 void Actor::setKillTime(double time) {
  62   simcall_process_set_kill_time(pimpl_,time);
  63 }
  64
  65 double Actor::getKillTime() {
  66   return simcall_process_get_kill_time(pimpl_);
  67 }
  68
  69 void Actor::kill(int pid) {
  70   msg_process_t process = SIMIX_process_from_PID(pid);
  71   if(process != nullptr) {
  72     simcall_process_kill(process);
  73   } else {
  74     std::ostringstream oss;
  75     oss << "kill: ("<< pid <<") - No such process" << std::endl;
  76     throw std::runtime_error(oss.str());
  77   }
  78 }
  79
  80 void Actor::kill() {
  81   simcall_process_kill(pimpl_);
  82 }
  83
  84 simgrid::s4u::Actor Actor::forPid(int pid)
  85 {
  86   // Should we throw if we did not find it?
  87   smx_process_t process = SIMIX_process_from_PID(pid);
  88   return simgrid::s4u::Actor(process);
  89 }
  90
  91 // static stuff:
  92
  93 void Actor::killAll() {
  94   simcall_process_killall(1);
  95 }
  96
  97 namespace this_actor {
  98
  99 void sleep(double duration) {
 100   simcall_process_sleep(duration);
 101 }
 102
 103 e_smx_state_t execute(double flops) {
 104   smx_synchro_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/, 0L/*affinity*/);
 105   return simcall_execution_wait(s);
 106 }
 107
 108 void* recv(Mailbox &chan) {
 109   void *res = nullptr;
 110   Comm c = Comm::recv_init(chan);
 111   c.setDstData(&res,sizeof(res));
 112   c.wait();
 113   return res;
 114 }
 115
 116 void send(Mailbox &chan, void *payload, size_t simulatedSize) {
 117   Comm c = Comm::send_init(chan);
 118   c.setRemains(simulatedSize);
 119   c.setSrcData(payload);
 120   // c.start() is optional.
 121   c.wait();
 122 }
 123
 124 int getPid() {
 125   return simcall_process_get_PID(SIMIX_process_self());
 126 }
 127
 128 }
 129 }
 130 }