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
   9 #include "simgrid/s4u/Actor.hpp"
  10 #include "simgrid/s4u/comm.hpp"
  11 #include "simgrid/s4u/host.hpp"
  12 #include "simgrid/s4u/Mailbox.hpp"
  13
  14 #include "src/kernel/context/Context.hpp"
  15
  16 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor,"S4U actors");
  17
  18 namespace simgrid {
  19 namespace s4u {
  20
  21 // ***** Actor creation *****
  22 ActorPtr Actor::self()
  23 {
  24   smx_context_t self_context = SIMIX_context_self();
  25   if (self_context == nullptr)
  26     return simgrid::s4u::ActorPtr();
  27
  28   return simgrid::s4u::ActorPtr(&self_context->process()->getIface());
  29 }
  30
  31 ActorPtr Actor::createActor(const char* name, s4u::Host* host, std::function<void()> code)
  32 {
  33   smx_actor_t actor = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
  34   return ActorPtr(&actor->getIface());
  35 }
  36
  37 ActorPtr Actor::createActor(const char* name, s4u::Host* host, const char* function, std::vector<std::string> args)
  38 {
  39   simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
  40   simgrid::simix::ActorCode code = factory(std::move(args));
  41   smx_actor_t actor                         = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
  42   return ActorPtr(&actor->getIface());
  43 }
  44
  45 // ***** Actor methods *****
  46
  47 void Actor::join() {
  48   simcall_process_join(this->pimpl_, -1);
  49 }
  50
  51 void Actor::setAutoRestart(bool autorestart) {
  52   simcall_process_auto_restart_set(pimpl_,autorestart);
  53 }
  54
  55 s4u::Host* Actor::host()
  56 {
  57   return this->pimpl_->host;
  58 }
  59
  60 simgrid::xbt::string Actor::name()
  61 {
  62   return this->pimpl_->name;
  63 }
  64
  65 int Actor::pid()
  66 {
  67   return this->pimpl_->pid;
  68 }
  69
  70 int Actor::ppid()
  71 {
  72   return this->pimpl_->ppid;
  73 }
  74
  75 void Actor::setKillTime(double time) {
  76   simcall_process_set_kill_time(pimpl_,time);
  77 }
  78
  79 double Actor::killTime()
  80 {
  81   return simcall_process_get_kill_time(pimpl_);
  82 }
  83
  84 void Actor::kill(int pid) {
  85   msg_process_t process = SIMIX_process_from_PID(pid);
  86   if(process != nullptr) {
  87     simcall_process_kill(process);
  88   } else {
  89     std::ostringstream oss;
  90     oss << "kill: ("<< pid <<") - No such process" << std::endl;
  91     throw std::runtime_error(oss.str());
  92   }
  93 }
  94
  95 smx_actor_t Actor::getImpl() {
  96   return pimpl_;
  97 }
  98
  99 void Actor::kill() {
 100   simcall_process_kill(pimpl_);
 101 }
 102
 103 // ***** Static functions *****
 104
 105 ActorPtr Actor::byPid(int pid)
 106 {
 107   smx_actor_t process = SIMIX_process_from_PID(pid);
 108   if (process != nullptr)
 109     return ActorPtr(&process->getIface());
 110   else
 111     return nullptr;
 112 }
 113
 114 void Actor::killAll() {
 115   simcall_process_killall(1);
 116 }
 117
 118 // ***** this_actor *****
 119
 120 namespace this_actor {
 121
 122 void sleep_for(double duration)
 123 {
 124   if (duration > 0)
 125     simcall_process_sleep(duration);
 126 }
 127
 128 XBT_PUBLIC(void) sleep_until(double timeout)
 129 {
 130   double now = SIMIX_get_clock();
 131   if (timeout > now)
 132     simcall_process_sleep(timeout - now);
 133 }
 134
 135 e_smx_state_t execute(double flops) {
 136   smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
 137   return simcall_execution_wait(s);
 138 }
 139
 140 void* recv(MailboxPtr chan) {
 141   void *res = nullptr;
 142   Comm& c = Comm::recv_init(chan);
 143   c.setDstData(&res,sizeof(res));
 144   c.wait();
 145   return res;
 146 }
 147
 148 void send(MailboxPtr chan, void *payload, size_t simulatedSize) {
 149   Comm& c = Comm::send_init(chan);
 150   c.setRemains(simulatedSize);
 151   c.setSrcData(payload);
 152   // c.start() is optional.
 153   c.wait();
 154 }
 155
 156 int pid()
 157 {
 158   return SIMIX_process_self()->pid;
 159 }
 160
 161 int ppid()
 162 {
 163   return SIMIX_process_self()->ppid;
 164 }
 165
 166 }
 167 }
 168 }