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
  15 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor, "S4U actors");
  16
  17 namespace simgrid {
  18 namespace s4u {
  19
  20 // ***** Actor creation *****
  21 ActorPtr Actor::self()
  22 {
  23   smx_context_t self_context = SIMIX_context_self();
  24   if (self_context == nullptr)
  25     return simgrid::s4u::ActorPtr();
  26
  27   return self_context->process()->iface();
  28 }
  29
  30 ActorPtr Actor::createActor(const char* name, s4u::Host* host, std::function<void()> code)
  31 {
  32   smx_actor_t actor = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
  33   return actor->iface();
  34 }
  35
  36 ActorPtr Actor::createActor(const char* name, s4u::Host* host, const char* function, std::vector<std::string> args)
  37 {
  38   simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
  39   simgrid::simix::ActorCode code = factory(std::move(args));
  40   smx_actor_t actor                         = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
  41   return actor->iface();
  42 }
  43
  44 // ***** Actor methods *****
  45
  46 void Actor::join() {
  47   simcall_process_join(this->pimpl_, -1);
  48 }
  49
  50 void Actor::setAutoRestart(bool autorestart) {
  51   simcall_process_auto_restart_set(pimpl_,autorestart);
  52 }
  53
  54 void Actor::onExit(int_f_pvoid_pvoid_t fun, void* data)
  55 {
  56   simcall_process_on_exit(pimpl_, fun, data);
  57 }
  58
  59 void Actor::migrate(Host* new_host)
  60 {
  61   simcall_process_set_host(pimpl_, new_host);
  62 }
  63
  64 s4u::Host* Actor::host()
  65 {
  66   return this->pimpl_->host;
  67 }
  68
  69 const char* Actor::cname()
  70 {
  71   return this->pimpl_->name.c_str();
  72 }
  73
  74 simgrid::xbt::string Actor::name()
  75 {
  76   return this->pimpl_->name;
  77 }
  78
  79 aid_t Actor::pid()
  80 {
  81   return this->pimpl_->pid;
  82 }
  83
  84 aid_t Actor::ppid()
  85 {
  86   return this->pimpl_->ppid;
  87 }
  88
  89 void Actor::suspend()
  90 {
  91   simcall_process_suspend(pimpl_);
  92 }
  93
  94 void Actor::resume()
  95 {
  96   simcall_process_resume(pimpl_);
  97 }
  98
  99 int Actor::isSuspended()
 100 {
 101   return simcall_process_is_suspended(pimpl_);
 102 }
 103
 104 void Actor::setKillTime(double time) {
 105   simcall_process_set_kill_time(pimpl_,time);
 106 }
 107
 108 double Actor::killTime()
 109 {
 110   return simcall_process_get_kill_time(pimpl_);
 111 }
 112
 113 void Actor::kill(aid_t pid)
 114 {
 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(aid_t 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 /** Retrieve the property value (or nullptr if not set) */
 155 const char* Actor::property(const char* key)
 156 {
 157   return (char*)xbt_dict_get_or_null(simcall_process_get_properties(pimpl_), key);
 158 }
 159 void Actor::setProperty(const char* key, const char* value)
 160 {
 161   simgrid::simix::kernelImmediate([this, key, value] {
 162     xbt_dict_set(simcall_process_get_properties(pimpl_), key, (char*)value, (void_f_pvoid_t) nullptr);
 163   });
 164 }
 165
 166 // ***** this_actor *****
 167
 168 namespace this_actor {
 169
 170 void sleep_for(double duration)
 171 {
 172   if (duration > 0)
 173     simcall_process_sleep(duration);
 174 }
 175
 176 XBT_PUBLIC(void) sleep_until(double timeout)
 177 {
 178   double now = SIMIX_get_clock();
 179   if (timeout > now)
 180     simcall_process_sleep(timeout - now);
 181 }
 182
 183 e_smx_state_t execute(double flops) {
 184   smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
 185   return simcall_execution_wait(s);
 186 }
 187
 188 void* recv(MailboxPtr chan) {
 189   void *res = nullptr;
 190   Comm& c = Comm::recv_init(chan);
 191   c.setDstData(&res,sizeof(res));
 192   c.wait();
 193   return res;
 194 }
 195
 196 void send(MailboxPtr chan, void* payload, double simulatedSize)
 197 {
 198   Comm& c = Comm::send_init(chan);
 199   c.setRemains(simulatedSize);
 200   c.setSrcData(payload);
 201   // c.start() is optional.
 202   c.wait();
 203 }
 204
 205 void send(MailboxPtr chan, void* payload, double simulatedSize, double timeout)
 206 {
 207   Comm& c = Comm::send_init(chan);
 208   c.setRemains(simulatedSize);
 209   c.setSrcData(payload);
 210   // c.start() is optional.
 211   c.wait(timeout);
 212 }
 213
 214 Comm& isend(MailboxPtr chan, void* payload, double simulatedSize)
 215 {
 216   return Comm::send_async(chan, payload, simulatedSize);
 217 }
 218
 219 Comm& irecv(MailboxPtr chan, void** data)
 220 {
 221   return Comm::recv_async(chan, data);
 222 }
 223
 224 aid_t pid()
 225 {
 226   return SIMIX_process_self()->pid;
 227 }
 228
 229 aid_t ppid()
 230 {
 231   return SIMIX_process_self()->ppid;
 232 }
 233
 234 std::string name()
 235 {
 236   return SIMIX_process_self()->name;
 237 }
 238
 239 Host* host()
 240 {
 241   return SIMIX_process_self()->host;
 242 }
 243
 244 void suspend()
 245 {
 246   simcall_process_suspend(SIMIX_process_self());
 247 }
 248
 249 void resume()
 250 {
 251   simcall_process_resume(SIMIX_process_self());
 252 }
 253
 254 int isSuspended()
 255 {
 256   return simcall_process_is_suspended(SIMIX_process_self());
 257 }
 258
 259 void kill()
 260 {
 261   simcall_process_kill(SIMIX_process_self());
 262 }
 263
 264 void onExit(int_f_pvoid_pvoid_t fun, void* data)
 265 {
 266   simcall_process_on_exit(SIMIX_process_self(), fun, data);
 267 }
 268
 269 void migrate(Host* new_host)
 270 {
 271   simcall_process_set_host(SIMIX_process_self(), new_host);
 272 }
 273 }
 274 }
 275 }