src/s4u/s4u_actor.cpp

   1 /* Copyright (c) 2006-2017. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "xbt/log.h"
   7
   8 #include "simgrid/s4u/Actor.hpp"
   9 #include "simgrid/s4u/Comm.hpp"
  10 #include "simgrid/s4u/Host.hpp"
  11 #include "simgrid/s4u/Mailbox.hpp"
  12
  13 #include "src/kernel/context/Context.hpp"
  14 #include <sstream>
  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   simgrid::simix::ActorImpl* 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   simgrid::simix::ActorImpl* 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 aid_t Actor::pid()
  81 {
  82   return this->pimpl_->pid;
  83 }
  84
  85 aid_t 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(aid_t pid)
 115 {
 116   smx_actor_t process = SIMIX_process_from_PID(pid);
 117   if(process != nullptr) {
 118     simcall_process_kill(process);
 119   } else {
 120     std::ostringstream oss;
 121     oss << "kill: ("<< pid <<") - No such process" << std::endl;
 122     throw std::runtime_error(oss.str());
 123   }
 124 }
 125
 126 smx_actor_t Actor::getImpl() {
 127   return pimpl_;
 128 }
 129
 130 void Actor::kill() {
 131   simcall_process_kill(pimpl_);
 132 }
 133
 134 // ***** Static functions *****
 135
 136 ActorPtr Actor::byPid(aid_t pid)
 137 {
 138   smx_actor_t process = SIMIX_process_from_PID(pid);
 139   if (process != nullptr)
 140     return process->iface();
 141   else
 142     return ActorPtr();
 143 }
 144
 145 void Actor::killAll()
 146 {
 147   simcall_process_killall(1);
 148 }
 149
 150 void Actor::killAll(int resetPid)
 151 {
 152   simcall_process_killall(resetPid);
 153 }
 154
 155 /** Retrieve the property value (or nullptr if not set) */
 156 const char* Actor::property(const char* key)
 157 {
 158   return (char*)xbt_dict_get_or_null(simcall_process_get_properties(pimpl_), key);
 159 }
 160 void Actor::setProperty(const char* key, const char* value)
 161 {
 162   simgrid::simix::kernelImmediate([this, key, value] {
 163     xbt_dict_set(simcall_process_get_properties(pimpl_), key, (char*)value, (void_f_pvoid_t) nullptr);
 164   });
 165 }
 166
 167 // ***** this_actor *****
 168
 169 namespace this_actor {
 170
 171 void sleep_for(double duration)
 172 {
 173   if (duration > 0)
 174     simcall_process_sleep(duration);
 175 }
 176
 177 XBT_PUBLIC(void) sleep_until(double timeout)
 178 {
 179   double now = SIMIX_get_clock();
 180   if (timeout > now)
 181     simcall_process_sleep(timeout - now);
 182 }
 183
 184 e_smx_state_t execute(double flops) {
 185   smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
 186   return simcall_execution_wait(s);
 187 }
 188
 189 void* recv(MailboxPtr chan) {
 190   void *res = nullptr;
 191   CommPtr c = Comm::recv_init(chan);
 192   c->setDstData(&res, sizeof(res));
 193   c->wait();
 194   return res;
 195 }
 196
 197 void send(MailboxPtr chan, void* payload, double simulatedSize)
 198 {
 199   CommPtr c = Comm::send_init(chan);
 200   c->setRemains(simulatedSize);
 201   c->setSrcData(payload);
 202   // c->start() is optional.
 203   c->wait();
 204 }
 205
 206 void send(MailboxPtr chan, void* payload, double simulatedSize, double timeout)
 207 {
 208   CommPtr c = Comm::send_init(chan);
 209   c->setRemains(simulatedSize);
 210   c->setSrcData(payload);
 211   // c->start() is optional.
 212   c->wait(timeout);
 213 }
 214
 215 CommPtr isend(MailboxPtr chan, void* payload, double simulatedSize)
 216 {
 217   return Comm::send_async(chan, payload, simulatedSize);
 218 }
 219
 220 void dsend(MailboxPtr chan, void* payload, double simulatedSize)
 221 {
 222   Comm::send_detached(chan, payload, simulatedSize);
 223 }
 224
 225 CommPtr irecv(MailboxPtr chan, void** data)
 226 {
 227   return Comm::recv_async(chan, data);
 228 }
 229
 230 aid_t pid()
 231 {
 232   return SIMIX_process_self()->pid;
 233 }
 234
 235 aid_t ppid()
 236 {
 237   return SIMIX_process_self()->ppid;
 238 }
 239
 240 std::string name()
 241 {
 242   return SIMIX_process_self()->name;
 243 }
 244
 245 Host* host()
 246 {
 247   return SIMIX_process_self()->host;
 248 }
 249
 250 void suspend()
 251 {
 252   simcall_process_suspend(SIMIX_process_self());
 253 }
 254
 255 void resume()
 256 {
 257   simcall_process_resume(SIMIX_process_self());
 258 }
 259
 260 int isSuspended()
 261 {
 262   return simcall_process_is_suspended(SIMIX_process_self());
 263 }
 264
 265 void kill()
 266 {
 267   simcall_process_kill(SIMIX_process_self());
 268 }
 269
 270 void onExit(int_f_pvoid_pvoid_t fun, void* data)
 271 {
 272   simcall_process_on_exit(SIMIX_process_self(), fun, data);
 273 }
 274
 275 void migrate(Host* new_host)
 276 {
 277   simcall_process_set_host(SIMIX_process_self(), new_host);
 278 }
 279 }
 280 }
 281 }