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::onExit(int_f_pvoid_pvoid_t fun, void* data)
  56 {
  57   simcall_process_on_exit(pimpl_, fun, data);
  58 }
  59
  60 void Actor::migrate(Host* new_host)
  61 {
  62   simcall_process_set_host(pimpl_, new_host);
  63 }
  64
  65 s4u::Host* Actor::host()
  66 {
  67   return this->pimpl_->host;
  68 }
  69
  70 const char* Actor::cname()
  71 {
  72   return this->pimpl_->name.c_str();
  73 }
  74
  75 simgrid::xbt::string Actor::name()
  76 {
  77   return this->pimpl_->name;
  78 }
  79
  80 int Actor::pid()
  81 {
  82   return this->pimpl_->pid;
  83 }
  84
  85 int Actor::ppid()
  86 {
  87   return this->pimpl_->ppid;
  88 }
  89
  90 void Actor::suspend()
  91 {
  92   simcall_process_suspend(pimpl_);
  93 }
  94
  95 void Actor::resume()
  96 {
  97   simcall_process_resume(pimpl_);
  98 }
  99
 100 int Actor::isSuspended()
 101 {
 102   return simcall_process_is_suspended(pimpl_);
 103 }
 104
 105 void Actor::setKillTime(double time) {
 106   simcall_process_set_kill_time(pimpl_,time);
 107 }
 108
 109 double Actor::killTime()
 110 {
 111   return simcall_process_get_kill_time(pimpl_);
 112 }
 113
 114 void Actor::kill(int pid) {
 115   smx_actor_t process = SIMIX_process_from_PID(pid);
 116   if(process != nullptr) {
 117     simcall_process_kill(process);
 118   } else {
 119     std::ostringstream oss;
 120     oss << "kill: ("<< pid <<") - No such process" << std::endl;
 121     throw std::runtime_error(oss.str());
 122   }
 123 }
 124
 125 smx_actor_t Actor::getImpl() {
 126   return pimpl_;
 127 }
 128
 129 void Actor::kill() {
 130   simcall_process_kill(pimpl_);
 131 }
 132
 133 // ***** Static functions *****
 134
 135 ActorPtr Actor::byPid(int pid)
 136 {
 137   smx_actor_t process = SIMIX_process_from_PID(pid);
 138   if (process != nullptr)
 139     return process->iface();
 140   else
 141     return ActorPtr();
 142 }
 143
 144 void Actor::killAll()
 145 {
 146   simcall_process_killall(1);
 147 }
 148
 149 void Actor::killAll(int resetPid)
 150 {
 151   simcall_process_killall(resetPid);
 152 }
 153
 154 // ***** this_actor *****
 155
 156 namespace this_actor {
 157
 158 void sleep_for(double duration)
 159 {
 160   if (duration > 0)
 161     simcall_process_sleep(duration);
 162 }
 163
 164 XBT_PUBLIC(void) sleep_until(double timeout)
 165 {
 166   double now = SIMIX_get_clock();
 167   if (timeout > now)
 168     simcall_process_sleep(timeout - now);
 169 }
 170
 171 e_smx_state_t execute(double flops) {
 172   smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
 173   return simcall_execution_wait(s);
 174 }
 175
 176 void* recv(MailboxPtr chan) {
 177   void *res = nullptr;
 178   Comm& c = Comm::recv_init(chan);
 179   c.setDstData(&res,sizeof(res));
 180   c.wait();
 181   return res;
 182 }
 183
 184 void send(MailboxPtr chan, void* payload, double simulatedSize)
 185 {
 186   Comm& c = Comm::send_init(chan);
 187   c.setRemains(simulatedSize);
 188   c.setSrcData(payload);
 189   // c.start() is optional.
 190   c.wait();
 191 }
 192
 193 void send(MailboxPtr chan, void* payload, double simulatedSize, double timeout)
 194 {
 195   Comm& c = Comm::send_init(chan);
 196   c.setRemains(simulatedSize);
 197   c.setSrcData(payload);
 198   // c.start() is optional.
 199   c.wait(timeout);
 200 }
 201
 202 Comm& isend(MailboxPtr chan, void* payload, double simulatedSize)
 203 {
 204   return Comm::send_async(chan, payload, simulatedSize);
 205 }
 206
 207 Comm& irecv(MailboxPtr chan, void** data)
 208 {
 209   return Comm::recv_async(chan, data);
 210 }
 211
 212 int pid()
 213 {
 214   return SIMIX_process_self()->pid;
 215 }
 216
 217 int ppid()
 218 {
 219   return SIMIX_process_self()->ppid;
 220 }
 221
 222 std::string name()
 223 {
 224   return SIMIX_process_self()->name;
 225 }
 226
 227 Host* host()
 228 {
 229   return SIMIX_process_self()->host;
 230 }
 231
 232 void suspend()
 233 {
 234   simcall_process_suspend(SIMIX_process_self());
 235 }
 236
 237 void resume()
 238 {
 239   simcall_process_resume(SIMIX_process_self());
 240 }
 241
 242 int isSuspended()
 243 {
 244   return simcall_process_is_suspended(SIMIX_process_self());
 245 }
 246
 247 void kill()
 248 {
 249   simcall_process_kill(SIMIX_process_self());
 250 }
 251
 252 void onExit(int_f_pvoid_pvoid_t fun, void* data)
 253 {
 254   simcall_process_on_exit(SIMIX_process_self(), fun, data);
 255 }
 256
 257 void migrate(Host* new_host)
 258 {
 259   simcall_process_set_host(SIMIX_process_self(), new_host);
 260 }
 261 }
 262 }
 263 }