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,
  31   const char* function, std::vector<std::string> args)
  32 {
  33   simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
  34   simgrid::simix::ActorCode code = factory(std::move(args));
  35   this->pimpl_ = SIMIX_process_ref(simcall_process_create(
  36     name, std::move(code), nullptr, host->name().c_str(),
  37     killTime, nullptr, 0));
  38 }
  39
  40 void s4u::Actor::join() {
  41   simcall_process_join(pimpl_, -1);
  42 }
  43
  44 void s4u::Actor::setAutoRestart(bool autorestart) {
  45   simcall_process_auto_restart_set(pimpl_,autorestart);
  46 }
  47
  48 s4u::Host *s4u::Actor::getHost() {
  49   return s4u::Host::by_name(sg_host_get_name(simcall_process_get_host(pimpl_)));
  50 }
  51
  52 const char* s4u::Actor::getName() {
  53   return simcall_process_get_name(pimpl_);
  54 }
  55
  56 int s4u::Actor::getPid(){
  57   return simcall_process_get_PID(pimpl_);
  58 }
  59
  60 void s4u::Actor::setKillTime(double time) {
  61   simcall_process_set_kill_time(pimpl_,time);
  62 }
  63
  64 double s4u::Actor::getKillTime() {
  65   return simcall_process_get_kill_time(pimpl_);
  66 }
  67
  68 void s4u::Actor::kill(int pid) {
  69   msg_process_t process = SIMIX_process_from_PID(pid);
  70   if(process != nullptr) {
  71     simcall_process_kill(process);
  72   } else {
  73     std::ostringstream oss;
  74     oss << "kill: ("<< pid <<") - No such process" << std::endl;
  75     throw std::runtime_error(oss.str());
  76   }
  77 }
  78
  79 void s4u::Actor::kill() {
  80   simcall_process_kill(pimpl_);
  81 }
  82
  83 simgrid::s4u::Actor s4u::Actor::forPid(int pid)
  84 {
  85   // Should we throw if we did not find it?
  86   smx_process_t process = SIMIX_process_from_PID(pid);
  87   return simgrid::s4u::Actor(process);
  88 }
  89
  90 // static stuff:
  91
  92 void s4u::Actor::killAll() {
  93   simcall_process_killall(1);
  94 }
  95
  96
  97 namespace simgrid {
  98 namespace s4u {
  99 namespace this_actor {
 100
 101 void sleep(double duration) {
 102   simcall_process_sleep(duration);
 103 }
 104
 105 e_smx_state_t execute(double flops) {
 106   smx_synchro_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/, 0L/*affinity*/);
 107   return simcall_execution_wait(s);
 108 }
 109
 110 void* recv(Mailbox &chan) {
 111   void *res = nullptr;
 112   Comm c = Comm::recv_init(chan);
 113   c.setDstData(&res,sizeof(res));
 114   c.wait();
 115   return res;
 116 }
 117
 118 void send(Mailbox &chan, void *payload, size_t simulatedSize) {
 119   Comm c = Comm::send_init(chan);
 120   c.setRemains(simulatedSize);
 121   c.setSrcData(payload);
 122   // c.start() is optional.
 123   c.wait();
 124 }
 125
 126 int getPid() {
 127   return simcall_process_get_PID(SIMIX_process_self());
 128 }
 129
 130 }
 131 }
 132 }