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 void Actor::migrate(Host* new_host)
  56 {
  57   simcall_process_set_host(pimpl_, new_host);
  58 }
  59
  60 s4u::Host* Actor::host()
  61 {
  62   return this->pimpl_->host;
  63 }
  64
  65 const char* Actor::cname()
  66 {
  67   return this->pimpl_->name.c_str();
  68 }
  69
  70 simgrid::xbt::string Actor::name()
  71 {
  72   return this->pimpl_->name;
  73 }
  74
  75 int Actor::pid()
  76 {
  77   return this->pimpl_->pid;
  78 }
  79
  80 int Actor::ppid()
  81 {
  82   return this->pimpl_->ppid;
  83 }
  84
  85 void Actor::suspend()
  86 {
  87   simcall_process_suspend(pimpl_);
  88 }
  89
  90 void Actor::resume()
  91 {
  92   simcall_process_resume(pimpl_);
  93 }
  94
  95 void Actor::setKillTime(double time) {
  96   simcall_process_set_kill_time(pimpl_,time);
  97 }
  98
  99 double Actor::killTime()
 100 {
 101   return simcall_process_get_kill_time(pimpl_);
 102 }
 103
 104 void Actor::kill(int pid) {
 105   smx_actor_t process = SIMIX_process_from_PID(pid);
 106   if(process != nullptr) {
 107     simcall_process_kill(process);
 108   } else {
 109     std::ostringstream oss;
 110     oss << "kill: ("<< pid <<") - No such process" << std::endl;
 111     throw std::runtime_error(oss.str());
 112   }
 113 }
 114
 115 smx_actor_t Actor::getImpl() {
 116   return pimpl_;
 117 }
 118
 119 void Actor::kill() {
 120   simcall_process_kill(pimpl_);
 121 }
 122
 123 // ***** Static functions *****
 124
 125 ActorPtr Actor::byPid(int pid)
 126 {
 127   smx_actor_t process = SIMIX_process_from_PID(pid);
 128   if (process != nullptr)
 129     return process->iface();
 130   else
 131     return ActorPtr();
 132 }
 133
 134 void Actor::killAll() {
 135   simcall_process_killall(1);
 136 }
 137
 138 // ***** this_actor *****
 139
 140 namespace this_actor {
 141
 142 void sleep_for(double duration)
 143 {
 144   if (duration > 0)
 145     simcall_process_sleep(duration);
 146 }
 147
 148 XBT_PUBLIC(void) sleep_until(double timeout)
 149 {
 150   double now = SIMIX_get_clock();
 151   if (timeout > now)
 152     simcall_process_sleep(timeout - now);
 153 }
 154
 155 e_smx_state_t execute(double flops) {
 156   smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
 157   return simcall_execution_wait(s);
 158 }
 159
 160 void* recv(MailboxPtr chan) {
 161   void *res = nullptr;
 162   Comm& c = Comm::recv_init(chan);
 163   c.setDstData(&res,sizeof(res));
 164   c.wait();
 165   return res;
 166 }
 167
 168 void send(MailboxPtr chan, void* payload, double simulatedSize)
 169 {
 170   Comm& c = Comm::send_init(chan);
 171   c.setRemains(simulatedSize);
 172   c.setSrcData(payload);
 173   // c.start() is optional.
 174   c.wait();
 175 }
 176
 177 int pid()
 178 {
 179   return SIMIX_process_self()->pid;
 180 }
 181
 182 int ppid()
 183 {
 184   return SIMIX_process_self()->ppid;
 185 }
 186
 187 std::string name()
 188 {
 189   return SIMIX_process_self()->name;
 190 }
 191
 192 Host* host()
 193 {
 194   return SIMIX_process_self()->host;
 195 }
 196
 197 void suspend()
 198 {
 199   simcall_process_suspend(SIMIX_process_self());
 200 }
 201
 202 void resume()
 203 {
 204   simcall_process_resume(SIMIX_process_self());
 205 }
 206
 207 void kill()
 208 {
 209   simcall_process_kill(SIMIX_process_self());
 210 }
 211
 212 void migrate(Host* new_host)
 213 {
 214   simcall_process_set_host(SIMIX_process_self(), new_host);
 215 }
 216 }
 217 }
 218 }