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 self_context->process()->iface();
  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 actor->iface();
  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 actor->iface();
  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 const char* Actor::cname()
  61 {
  62   return this->pimpl_->name.c_str();
  63 }
  64
  65 simgrid::xbt::string Actor::name()
  66 {
  67   return this->pimpl_->name;
  68 }
  69
  70 int Actor::pid()
  71 {
  72   return this->pimpl_->pid;
  73 }
  74
  75 int Actor::ppid()
  76 {
  77   return this->pimpl_->ppid;
  78 }
  79
  80 void Actor::setKillTime(double time) {
  81   simcall_process_set_kill_time(pimpl_,time);
  82 }
  83
  84 double Actor::killTime()
  85 {
  86   return simcall_process_get_kill_time(pimpl_);
  87 }
  88
  89 void Actor::kill(int pid) {
  90   smx_actor_t process = SIMIX_process_from_PID(pid);
  91   if(process != nullptr) {
  92     simcall_process_kill(process);
  93   } else {
  94     std::ostringstream oss;
  95     oss << "kill: ("<< pid <<") - No such process" << std::endl;
  96     throw std::runtime_error(oss.str());
  97   }
  98 }
  99
 100 smx_actor_t Actor::getImpl() {
 101   return pimpl_;
 102 }
 103
 104 void Actor::kill() {
 105   simcall_process_kill(pimpl_);
 106 }
 107
 108 // ***** Static functions *****
 109
 110 ActorPtr Actor::byPid(int pid)
 111 {
 112   smx_actor_t process = SIMIX_process_from_PID(pid);
 113   if (process != nullptr)
 114     return process->iface();
 115   else
 116     return ActorPtr();
 117 }
 118
 119 void Actor::killAll() {
 120   simcall_process_killall(1);
 121 }
 122
 123 // ***** this_actor *****
 124
 125 namespace this_actor {
 126
 127 void sleep_for(double duration)
 128 {
 129   if (duration > 0)
 130     simcall_process_sleep(duration);
 131 }
 132
 133 XBT_PUBLIC(void) sleep_until(double timeout)
 134 {
 135   double now = SIMIX_get_clock();
 136   if (timeout > now)
 137     simcall_process_sleep(timeout - now);
 138 }
 139
 140 e_smx_state_t execute(double flops) {
 141   smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
 142   return simcall_execution_wait(s);
 143 }
 144
 145 void* recv(MailboxPtr chan) {
 146   void *res = nullptr;
 147   Comm& c = Comm::recv_init(chan);
 148   c.setDstData(&res,sizeof(res));
 149   c.wait();
 150   return res;
 151 }
 152
 153 void send(MailboxPtr chan, void* payload, double simulatedSize)
 154 {
 155   Comm& c = Comm::send_init(chan);
 156   c.setRemains(simulatedSize);
 157   c.setSrcData(payload);
 158   // c.start() is optional.
 159   c.wait();
 160 }
 161
 162 int pid()
 163 {
 164   return SIMIX_process_self()->pid;
 165 }
 166
 167 int ppid()
 168 {
 169   return SIMIX_process_self()->ppid;
 170 }
 171
 172 std::string name()
 173 {
 174   return SIMIX_process_self()->name;
 175 }
 176 }
 177 }
 178 }