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 void Actor::setKillTime(double time) {
 101   simcall_process_set_kill_time(pimpl_,time);
 102 }
 103
 104 double Actor::killTime()
 105 {
 106   return simcall_process_get_kill_time(pimpl_);
 107 }
 108
 109 void Actor::kill(int pid) {
 110   smx_actor_t process = SIMIX_process_from_PID(pid);
 111   if(process != nullptr) {
 112     simcall_process_kill(process);
 113   } else {
 114     std::ostringstream oss;
 115     oss << "kill: ("<< pid <<") - No such process" << std::endl;
 116     throw std::runtime_error(oss.str());
 117   }
 118 }
 119
 120 smx_actor_t Actor::getImpl() {
 121   return pimpl_;
 122 }
 123
 124 void Actor::kill() {
 125   simcall_process_kill(pimpl_);
 126 }
 127
 128 // ***** Static functions *****
 129
 130 ActorPtr Actor::byPid(int pid)
 131 {
 132   smx_actor_t process = SIMIX_process_from_PID(pid);
 133   if (process != nullptr)
 134     return process->iface();
 135   else
 136     return ActorPtr();
 137 }
 138
 139 void Actor::killAll()
 140 {
 141   simcall_process_killall(1);
 142 }
 143
 144 void Actor::killAll(int resetPid)
 145 {
 146   simcall_process_killall(resetPid);
 147 }
 148
 149 // ***** this_actor *****
 150
 151 namespace this_actor {
 152
 153 void sleep_for(double duration)
 154 {
 155   if (duration > 0)
 156     simcall_process_sleep(duration);
 157 }
 158
 159 XBT_PUBLIC(void) sleep_until(double timeout)
 160 {
 161   double now = SIMIX_get_clock();
 162   if (timeout > now)
 163     simcall_process_sleep(timeout - now);
 164 }
 165
 166 e_smx_state_t execute(double flops) {
 167   smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
 168   return simcall_execution_wait(s);
 169 }
 170
 171 void* recv(MailboxPtr chan) {
 172   void *res = nullptr;
 173   Comm& c = Comm::recv_init(chan);
 174   c.setDstData(&res,sizeof(res));
 175   c.wait();
 176   return res;
 177 }
 178
 179 void send(MailboxPtr chan, void* payload, double simulatedSize)
 180 {
 181   Comm& c = Comm::send_init(chan);
 182   c.setRemains(simulatedSize);
 183   c.setSrcData(payload);
 184   // c.start() is optional.
 185   c.wait();
 186 }
 187
 188 int pid()
 189 {
 190   return SIMIX_process_self()->pid;
 191 }
 192
 193 int ppid()
 194 {
 195   return SIMIX_process_self()->ppid;
 196 }
 197
 198 std::string name()
 199 {
 200   return SIMIX_process_self()->name;
 201 }
 202
 203 Host* host()
 204 {
 205   return SIMIX_process_self()->host;
 206 }
 207
 208 void suspend()
 209 {
 210   simcall_process_suspend(SIMIX_process_self());
 211 }
 212
 213 void resume()
 214 {
 215   simcall_process_resume(SIMIX_process_self());
 216 }
 217
 218 void kill()
 219 {
 220   simcall_process_kill(SIMIX_process_self());
 221 }
 222
 223 void onExit(int_f_pvoid_pvoid_t fun, void* data)
 224 {
 225   simcall_process_on_exit(SIMIX_process_self(), fun, data);
 226 }
 227
 228 void migrate(Host* new_host)
 229 {
 230   simcall_process_set_host(SIMIX_process_self(), new_host);
 231 }
 232 }
 233 }
 234 }