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 creation *****
  23
  24 ActorPtr Actor::createActor(const char* name, s4u::Host *host, double killTime, std::function<void()> code)
  25 {
  26   // TODO, when autorestart is used, the std::function is copied so the new
  27   // instance will get a fresh (reinitialized) state. Is this what we want?
  28   smx_process_t process = simcall_process_create(
  29     name, std::move(code), nullptr, host->name().c_str(),
  30     killTime, nullptr, 0);
  31   return Ptr(&process->actor());
  32 }
  33
  34 ActorPtr Actor::createActor(const char* name, s4u::Host *host, double killTime,
  35   const char* function, std::vector<std::string> args)
  36 {
  37   simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
  38   simgrid::simix::ActorCode code = factory(std::move(args));
  39   smx_process_t process = simcall_process_create(
  40     name, std::move(code), nullptr, host->name().c_str(),
  41     killTime, nullptr, 0);
  42   return ActorPtr(&process->actor());
  43 }
  44
  45 // ***** Actor methods *****
  46
  47 void Actor::join() {
  48   simcall_process_join(pimpl_, -1);
  49 }
  50
  51 void Actor::setAutoRestart(bool autorestart) {
  52   simcall_process_auto_restart_set(pimpl_,autorestart);
  53 }
  54
  55 s4u::Host *Actor::getHost() {
  56   return s4u::Host::by_name(sg_host_get_name(simcall_process_get_host(pimpl_)));
  57 }
  58
  59 const char* Actor::getName() {
  60   return simcall_process_get_name(pimpl_);
  61 }
  62
  63 int Actor::getPid(){
  64   return simcall_process_get_PID(pimpl_);
  65 }
  66
  67 void Actor::setKillTime(double time) {
  68   simcall_process_set_kill_time(pimpl_,time);
  69 }
  70
  71 double Actor::getKillTime() {
  72   return simcall_process_get_kill_time(pimpl_);
  73 }
  74
  75 void Actor::kill(int pid) {
  76   msg_process_t process = SIMIX_process_from_PID(pid);
  77   if(process != nullptr) {
  78     simcall_process_kill(process);
  79   } else {
  80     std::ostringstream oss;
  81     oss << "kill: ("<< pid <<") - No such process" << std::endl;
  82     throw std::runtime_error(oss.str());
  83   }
  84 }
  85
  86 smx_process_t Actor::getInferior() {
  87   return pimpl_;
  88 }
  89
  90 void Actor::kill() {
  91   simcall_process_kill(pimpl_);
  92 }
  93
  94 // ***** Static functions *****
  95
  96 ActorPtr Actor::forPid(int pid)
  97 {
  98   smx_process_t process = SIMIX_process_from_PID(pid);
  99   if (process != nullptr)
 100     return ActorPtr(&process->actor());
 101   else
 102     return nullptr;
 103 }
 104
 105 void Actor::killAll() {
 106   simcall_process_killall(1);
 107 }
 108
 109 // ***** this_actor *****
 110
 111 namespace this_actor {
 112
 113 void sleep(double duration) {
 114   simcall_process_sleep(duration);
 115 }
 116
 117 e_smx_state_t execute(double flops) {
 118   smx_synchro_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/, 0L/*affinity*/);
 119   return simcall_execution_wait(s);
 120 }
 121
 122 void* recv(Mailbox &chan) {
 123   void *res = nullptr;
 124   Comm c = Comm::recv_init(chan);
 125   c.setDstData(&res,sizeof(res));
 126   c.wait();
 127   return res;
 128 }
 129
 130 void send(Mailbox &chan, void *payload, size_t simulatedSize) {
 131   Comm c = Comm::send_init(chan);
 132   c.setRemains(simulatedSize);
 133   c.setSrcData(payload);
 134   // c.start() is optional.
 135   c.wait();
 136 }
 137
 138 int getPid() {
 139   return simcall_process_get_PID(SIMIX_process_self());
 140 }
 141
 142 }
 143 }
 144 }