-/* Copyright (c) 2006-2014. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2006-2017. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "xbt/log.h"
-#include "src/msg/msg_private.h"
#include "simgrid/s4u/Actor.hpp"
-#include "simgrid/s4u/comm.hpp"
-#include "simgrid/s4u/host.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.h"
+#include "src/simix/smx_private.hpp"
-XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor,"S4U actors");
+#include <sstream>
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor, "S4U actors");
namespace simgrid {
namespace s4u {
if (self_context == nullptr)
return simgrid::s4u::ActorPtr();
- return simgrid::s4u::ActorPtr(&self_context->process()->getIface());
+ return self_context->process()->iface();
}
-
-ActorPtr Actor::createActor(const char* name, s4u::Host *host, double killTime, std::function<void()> code)
+ActorPtr Actor::createActor(const char* name, s4u::Host* host, std::function<void()> code)
{
- // TODO, when autorestart is used, the std::function is copied so the new
- // instance will get a fresh (reinitialized) state. Is this what we want?
- smx_actor_t process = simcall_process_create(
- name, std::move(code), nullptr, host->name().c_str(),
- killTime, nullptr, 0);
- return ActorPtr(&process->getIface());
+ simgrid::simix::ActorImpl* actor = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
+ return actor->iface();
}
-ActorPtr Actor::createActor(const char* name, s4u::Host *host, double killTime,
- const char* function, std::vector<std::string> args)
+ActorPtr Actor::createActor(const char* name, s4u::Host* host, const char* function, std::vector<std::string> args)
{
simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
simgrid::simix::ActorCode code = factory(std::move(args));
- smx_actor_t process = simcall_process_create(
- name, std::move(code), nullptr, host->name().c_str(),
- killTime, nullptr, 0);
- return ActorPtr(&process->getIface());
+ 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(pimpl_, -1);
+ 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; });
}
-s4u::Host *Actor::getHost() {
- return pimpl_->host;
+void Actor::onExit(int_f_pvoid_pvoid_t fun, void* data)
+{
+ simcall_process_on_exit(pimpl_, fun, data);
}
-simgrid::xbt::string Actor::getName() {
- return pimpl_->name;
+/** @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)
+{
+ 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);
+ });
}
-int Actor::getPid(){
- return pimpl_->pid;
+s4u::Host* Actor::getHost()
+{
+ return this->pimpl_->host;
}
-int Actor::getPpid() {
- return pimpl_->ppid;
+void Actor::daemonize()
+{
+ simgrid::simix::kernelImmediate([this]() { pimpl_->daemonize(); });
+}
+
+const simgrid::xbt::string& Actor::getName() const
+{
+ return this->pimpl_->getName();
+}
+
+const char* Actor::getCname() const
+{
+ return this->pimpl_->getCname();
+}
+
+aid_t Actor::getPid()
+{
+ return this->pimpl_->pid;
+}
+
+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()
+{
+ 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 simgrid::simix::kernelImmediate([this] { return pimpl_->suspended; });
}
void Actor::setKillTime(double time) {
simcall_process_set_kill_time(pimpl_,time);
}
-double Actor::getKillTime() {
- return simcall_process_get_kill_time(pimpl_);
+/** \brief Get the kill time of an actor(or 0 if unset). */
+double Actor::getKillTime()
+{
+ return SIMIX_timer_get_date(pimpl_->kill_timer);
}
-void Actor::kill(int pid) {
- msg_process_t process = SIMIX_process_from_PID(pid);
+void Actor::kill(aid_t pid)
+{
+ smx_actor_t process = SIMIX_process_from_PID(pid);
if(process != nullptr) {
- simcall_process_kill(process);
+ simgrid::simix::kernelImmediate([process] { SIMIX_process_kill(process, process); });
} else {
std::ostringstream oss;
oss << "kill: ("<< pid <<") - No such process" << std::endl;
}
void Actor::kill() {
- simcall_process_kill(pimpl_);
+ smx_actor_t process = SIMIX_process_self();
+ simgrid::simix::kernelImmediate(
+ [this, process] { SIMIX_process_kill(pimpl_, (pimpl_ == simix_global->maestro_process) ? pimpl_ : process); });
}
// ***** Static functions *****
-ActorPtr Actor::forPid(int pid)
+ActorPtr Actor::byPid(aid_t pid)
{
smx_actor_t process = SIMIX_process_from_PID(pid);
if (process != nullptr)
- return ActorPtr(&process->getIface());
+ return process->iface();
else
- return nullptr;
+ return ActorPtr();
}
-void Actor::killAll() {
+void Actor::killAll()
+{
simcall_process_killall(1);
}
+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();
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* recv(MailboxPtr chan) {
- void *res = nullptr;
- Comm& c = Comm::recv_init(chan);
- c.setDstData(&res,sizeof(res));
- c.wait();
+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;
+}
+
+ExecPtr exec_async(double flops)
+{
+ ExecPtr res = exec_init(flops);
+ res->start();
return res;
}
-void send(MailboxPtr chan, void *payload, size_t simulatedSize) {
- Comm& c = Comm::send_init(chan);
- c.setRemains(simulatedSize);
- c.setSrcData(payload);
- // c.start() is optional.
- c.wait();
+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
+{
+ chan->put(payload, simulatedSize);
+}
+
+void send(MailboxPtr chan, void* payload, double simulatedSize, double timeout) // deprecated
+{
+ chan->put(payload, simulatedSize, timeout);
+}
+
+CommPtr isend(MailboxPtr chan, void* payload, double simulatedSize) // deprecated
+{
+ return chan->put_async(payload, simulatedSize);
+}
+
+CommPtr irecv(MailboxPtr chan, void** data) // deprecated
+{
+ return chan->get_async(data);
}
-int getPid() {
+aid_t getPid()
+{
return SIMIX_process_self()->pid;
}
-int getPpid() {
+aid_t getPpid()
+{
return SIMIX_process_self()->ppid;
}
+std::string getName()
+{
+ return SIMIX_process_self()->getName();
+}
+
+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()
+{
+ 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();
+}
+
+bool isSuspended()
+{
+ smx_actor_t process = SIMIX_process_self();
+ return simgrid::simix::kernelImmediate([process] { return process->suspended; });
+}
+
+void kill()
+{
+ 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)
+{
+ 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)
+{
+ SIMIX_process_self()->iface()->migrate(new_host);
+}
}
}
}