X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f1e469ce075c0a1ad21a7fd0fdb587f9a3cb5289..4278f886d77f29167f4541362ddc3d2b96a29e9c:/src/s4u/s4u_actor.cpp

diff --git a/src/s4u/s4u_actor.cpp b/src/s4u/s4u_actor.cpp
index de5b546865..39c8ab66ac 100644
--- a/src/s4u/s4u_actor.cpp
+++ b/src/s4u/s4u_actor.cpp
@@ -7,16 +7,23 @@
 
 #include "simgrid/s4u/Actor.hpp"
 #include "simgrid/s4u/Comm.hpp"
+#include "simgrid/s4u/Exec.hpp"
 #include "simgrid/s4u/Host.hpp"
 #include "simgrid/s4u/Mailbox.hpp"
 
 #include "src/kernel/context/Context.hpp"
+#include "src/simix/smx_private.hpp"
+
+#include <sstream>
 
 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor, "S4U actors");
 
 namespace simgrid {
 namespace s4u {
 
+simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::onCreation;
+simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::onDestruction;
+
 // ***** Actor creation *****
 ActorPtr Actor::self()
 {
@@ -29,7 +36,7 @@ ActorPtr Actor::self()
 
 ActorPtr Actor::createActor(const char* name, s4u::Host* host, std::function<void()> code)
 {
-  smx_actor_t actor = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
+  simgrid::simix::ActorImpl* actor = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
   return actor->iface();
 }
 
@@ -37,18 +44,32 @@ ActorPtr Actor::createActor(const char* name, s4u::Host* host, const char* funct
 {
   simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
   simgrid::simix::ActorCode code = factory(std::move(args));
-  smx_actor_t actor                         = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
+  simgrid::simix::ActorImpl* actor          = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
   return actor->iface();
 }
 
+void intrusive_ptr_add_ref(Actor* actor)
+{
+  intrusive_ptr_add_ref(actor->pimpl_);
+}
+void intrusive_ptr_release(Actor* actor)
+{
+  intrusive_ptr_release(actor->pimpl_);
+}
+
 // ***** Actor methods *****
 
 void Actor::join() {
   simcall_process_join(this->pimpl_, -1);
 }
 
+void Actor::join(double timeout)
+{
+  simcall_process_join(this->pimpl_, timeout);
+}
+
 void Actor::setAutoRestart(bool autorestart) {
-  simcall_process_auto_restart_set(pimpl_,autorestart);
+  simgrid::simix::kernelImmediate([this, autorestart]() { pimpl_->auto_restart = autorestart; });
 }
 
 void Actor::onExit(int_f_pvoid_pvoid_t fun, void* data)
@@ -56,78 +77,117 @@ void Actor::onExit(int_f_pvoid_pvoid_t fun, void* data)
   simcall_process_on_exit(pimpl_, fun, data);
 }
 
+/** @brief Moves the actor to another host
+ *
+ * If the actor is currently blocked on an execution activity, the activity is also
+ * migrated to the new host. If it's blocked on another kind of activity, an error is
+ * raised as the mandated code is not written yet. Please report that bug if you need it.
+ *
+ * Asynchronous activities started by the actor are not migrated automatically, so you have
+ * to take care of this yourself (only you knows which ones should be migrated).
+ */
 void Actor::migrate(Host* new_host)
 {
-  simcall_process_set_host(pimpl_, new_host);
+  simgrid::simix::kernelImmediate([this, new_host]() {
+    if (pimpl_->waiting_synchro != nullptr) {
+      // The actor is blocked on an activity. If it's an exec, migrate it too.
+      // FIXME: implement the migration of other kind of activities
+      simgrid::kernel::activity::ExecImplPtr exec =
+          boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_->waiting_synchro);
+      xbt_assert(exec.get() != nullptr, "We can only migrate blocked actors when they are blocked on executions.");
+      exec->migrate(new_host);
+    }
+    SIMIX_process_change_host(this->pimpl_, new_host);
+  });
 }
 
-s4u::Host* Actor::host()
+s4u::Host* Actor::getHost()
 {
   return this->pimpl_->host;
 }
 
-const char* Actor::cname()
+void Actor::daemonize()
+{
+  simgrid::simix::kernelImmediate([this]() { pimpl_->daemonize(); });
+}
+
+bool Actor::isDaemon()
 {
-  return this->pimpl_->name.c_str();
+  return this->pimpl_->isDaemon();
 }
 
-simgrid::xbt::string Actor::name()
+const simgrid::xbt::string& Actor::getName() const
 {
-  return this->pimpl_->name;
+  return this->pimpl_->getName();
 }
 
-aid_t Actor::pid()
+const char* Actor::getCname() const
+{
+  return this->pimpl_->getCname();
+}
+
+aid_t Actor::getPid()
 {
   return this->pimpl_->pid;
 }
 
-aid_t Actor::ppid()
+aid_t Actor::getPpid()
 {
   return this->pimpl_->ppid;
 }
 
 void Actor::suspend()
 {
+  if (TRACE_actor_is_enabled())
+    simgrid::instr::Container::byName(instr_pid(this))->getState("MSG_PROCESS_STATE")->pushEvent("suspend");
+
   simcall_process_suspend(pimpl_);
 }
 
 void Actor::resume()
 {
-  simcall_process_resume(pimpl_);
+  simgrid::simix::kernelImmediate([this] { pimpl_->resume(); });
+  if (TRACE_actor_is_enabled())
+    simgrid::instr::Container::byName(instr_pid(this))->getState("MSG_PROCESS_STATE")->popEvent();
 }
 
 int Actor::isSuspended()
 {
-  return simcall_process_is_suspended(pimpl_);
+  return simgrid::simix::kernelImmediate([this] { return pimpl_->suspended; });
 }
 
 void Actor::setKillTime(double time) {
   simcall_process_set_kill_time(pimpl_,time);
 }
 
-double Actor::killTime()
+/** \brief Get the kill time of an actor(or 0 if unset). */
+double Actor::getKillTime()
 {
-  return simcall_process_get_kill_time(pimpl_);
+  return SIMIX_timer_get_date(pimpl_->kill_timer);
 }
 
 void Actor::kill(aid_t pid)
 {
+  smx_actor_t killer  = SIMIX_process_self();
   smx_actor_t process = SIMIX_process_from_PID(pid);
   if(process != nullptr) {
-    simcall_process_kill(process);
+    simgrid::simix::kernelImmediate([killer, process] { SIMIX_process_kill(process, killer); });
   } else {
     std::ostringstream oss;
-    oss << "kill: ("<< pid <<") - No such process" << std::endl;
+    oss << "kill: (" << pid << ") - No such actor" << std::endl;
     throw std::runtime_error(oss.str());
   }
 }
 
-smx_actor_t Actor::getImpl() {
-  return pimpl_;
+void Actor::kill() {
+  smx_actor_t process = SIMIX_process_self();
+  simgrid::simix::kernelImmediate(
+      [this, process] { SIMIX_process_kill(pimpl_, (pimpl_ == simix_global->maestro_process) ? pimpl_ : process); });
 }
 
-void Actor::kill() {
-  simcall_process_kill(pimpl_);
+smx_actor_t Actor::getImpl()
+{
+  return pimpl_;
 }
 
 // ***** Static functions *****
@@ -151,16 +211,57 @@ void Actor::killAll(int resetPid)
   simcall_process_killall(resetPid);
 }
 
+std::map<std::string, std::string>* Actor::getProperties()
+{
+  return simgrid::simix::kernelImmediate([this] { return this->pimpl_->getProperties(); });
+}
+
+/** Retrieve the property value (or nullptr if not set) */
+const char* Actor::getProperty(const char* key)
+{
+  return simgrid::simix::kernelImmediate([this, key] { return pimpl_->getProperty(key); });
+}
+
+void Actor::setProperty(const char* key, const char* value)
+{
+  simgrid::simix::kernelImmediate([this, key, value] { pimpl_->setProperty(key, value); });
+}
+
+Actor* Actor::restart()
+{
+  return simgrid::simix::kernelImmediate([this]() { return pimpl_->restart(); });
+}
+
 // ***** this_actor *****
 
 namespace this_actor {
 
+/** Returns true if run from the kernel mode, and false if run from a real actor
+ *
+ * Everything that is run out of any actor (simulation setup before the engine is run,
+ * computing the model evolutions as a result to the actors' action, etc) is run in
+ * kernel mode, just as in any operating systems.
+ *
+ * In SimGrid, the actor in charge of doing the stuff in kernel mode is called Maestro,
+ * because it is the one scheduling when the others should move or wait.
+ */
+bool isMaestro()
+{
+  smx_actor_t process = SIMIX_process_self();
+  return process == nullptr || process == simix_global->maestro_process;
+}
+
 void sleep_for(double duration)
 {
   if (duration > 0)
     simcall_process_sleep(duration);
 }
 
+void yield()
+{
+  simgrid::simix::kernelImmediate([] { /* do nothing*/ });
+}
+
 XBT_PUBLIC(void) sleep_until(double timeout)
 {
   double now = SIMIX_get_clock();
@@ -168,85 +269,130 @@ XBT_PUBLIC(void) sleep_until(double timeout)
     simcall_process_sleep(timeout - now);
 }
 
-e_smx_state_t execute(double flops) {
-  smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
-  return simcall_execution_wait(s);
+void execute(double flops)
+{
+  smx_activity_t s = simcall_execution_start(nullptr, flops, 1.0 /*priority*/, 0. /*bound*/, getHost());
+  simcall_execution_wait(s);
+}
+
+void execute(double flops, double priority)
+{
+  smx_activity_t s = simcall_execution_start(nullptr, flops, 1 / priority /*priority*/, 0. /*bound*/, getHost());
+  simcall_execution_wait(s);
+}
+
+void parallel_execute(int host_nb, sg_host_t* host_list, double* flops_amount, double* bytes_amount, double timeout)
+{
+  smx_activity_t s =
+      simcall_execution_parallel_start(nullptr, host_nb, host_list, flops_amount, bytes_amount, -1, timeout);
+  simcall_execution_wait(s);
+}
+
+void parallel_execute(int host_nb, sg_host_t* host_list, double* flops_amount, double* bytes_amount)
+{
+  smx_activity_t s = simcall_execution_parallel_start(nullptr, host_nb, host_list, flops_amount, bytes_amount, -1, -1);
+  simcall_execution_wait(s);
+}
+
+ExecPtr exec_init(double flops_amount)
+{
+  ExecPtr res        = ExecPtr(new Exec());
+  res->host_         = getHost();
+  res->flops_amount_ = flops_amount;
+  res->setRemains(flops_amount);
+  return res;
 }
 
-void* recv(MailboxPtr chan) {
-  void *res = nullptr;
-  Comm& c = Comm::recv_init(chan);
-  c.setDstData(&res,sizeof(res));
-  c.wait();
+ExecPtr exec_async(double flops)
+{
+  ExecPtr res = exec_init(flops);
+  res->start();
   return res;
 }
 
-void send(MailboxPtr chan, void* payload, double simulatedSize)
+void* recv(MailboxPtr chan) // deprecated
+{
+  return chan->get();
+}
+
+void* recv(MailboxPtr chan, double timeout) // deprecated
+{
+  return chan->get(timeout);
+}
+
+void send(MailboxPtr chan, void* payload, double simulatedSize) // deprecated
 {
-  Comm& c = Comm::send_init(chan);
-  c.setRemains(simulatedSize);
-  c.setSrcData(payload);
-  // c.start() is optional.
-  c.wait();
+  chan->put(payload, simulatedSize);
 }
 
-void send(MailboxPtr chan, void* payload, double simulatedSize, double timeout)
+void send(MailboxPtr chan, void* payload, double simulatedSize, double timeout) // deprecated
 {
-  Comm& c = Comm::send_init(chan);
-  c.setRemains(simulatedSize);
-  c.setSrcData(payload);
-  // c.start() is optional.
-  c.wait(timeout);
+  chan->put(payload, simulatedSize, timeout);
 }
 
-Comm& isend(MailboxPtr chan, void* payload, double simulatedSize)
+CommPtr isend(MailboxPtr chan, void* payload, double simulatedSize) // deprecated
 {
-  return Comm::send_async(chan, payload, simulatedSize);
+  return chan->put_async(payload, simulatedSize);
 }
 
-Comm& irecv(MailboxPtr chan, void** data)
+CommPtr irecv(MailboxPtr chan, void** data) // deprecated
 {
-  return Comm::recv_async(chan, data);
+  return chan->get_async(data);
 }
 
-aid_t pid()
+aid_t getPid()
 {
   return SIMIX_process_self()->pid;
 }
 
-aid_t ppid()
+aid_t getPpid()
 {
   return SIMIX_process_self()->ppid;
 }
 
-std::string name()
+std::string getName()
 {
-  return SIMIX_process_self()->name;
+  return SIMIX_process_self()->getName();
 }
 
-Host* host()
+const char* getCname()
+{
+  return SIMIX_process_self()->getCname();
+}
+
+Host* getHost()
 {
   return SIMIX_process_self()->host;
 }
 
 void suspend()
 {
+  if (TRACE_actor_is_enabled())
+    instr::Container::byName(getName() + "-" + std::to_string(getPid()))
+        ->getState("MSG_PROCESS_STATE")
+        ->pushEvent("suspend");
   simcall_process_suspend(SIMIX_process_self());
 }
 
 void resume()
 {
-  simcall_process_resume(SIMIX_process_self());
+  smx_actor_t process = SIMIX_process_self();
+  simgrid::simix::kernelImmediate([process] { process->resume(); });
+
+  if (TRACE_actor_is_enabled())
+    instr::Container::byName(getName() + "-" + std::to_string(getPid()))->getState("MSG_PROCESS_STATE")->popEvent();
 }
 
-int isSuspended()
+bool isSuspended()
 {
-  return simcall_process_is_suspended(SIMIX_process_self());
+  smx_actor_t process = SIMIX_process_self();
+  return simgrid::simix::kernelImmediate([process] { return process->suspended; });
 }
 
 void kill()
 {
-  simcall_process_kill(SIMIX_process_self());
+  smx_actor_t process = SIMIX_process_self();
+  simgrid::simix::kernelImmediate([process] { SIMIX_process_kill(process, process); });
 }
 
 void onExit(int_f_pvoid_pvoid_t fun, void* data)
@@ -254,9 +400,13 @@ void onExit(int_f_pvoid_pvoid_t fun, void* data)
   simcall_process_on_exit(SIMIX_process_self(), fun, data);
 }
 
+/** @brief Moves the current actor to another host
+ *
+ * @see simgrid::s4u::Actor::migrate() for more information
+ */
 void migrate(Host* new_host)
 {
-  simcall_process_set_host(SIMIX_process_self(), new_host);
+  SIMIX_process_self()->iface()->migrate(new_host);
 }
 }
 }