Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
More ints converted as boolean
[simgrid.git] / src / simix / smx_host.cpp
index 393256f..de72646 100644 (file)
-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2019. 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 "mc/mc.h"
+#include "simgrid/Exception.hpp"
 #include "smx_private.hpp"
 #include "src/kernel/activity/CommImpl.hpp"
+#include "src/kernel/activity/ExecImpl.hpp"
 #include "src/mc/mc_replay.hpp"
 #include "src/plugins/vm/VirtualMachineImpl.hpp"
-#include "src/surf/surf_interface.hpp"
-#include "xbt/ex.hpp"
-#include <algorithm>
+#include "src/simix/smx_host_private.hpp"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_host, simix, "SIMIX hosts");
 
-namespace simgrid {
-  namespace simix {
-    simgrid::xbt::Extension<simgrid::s4u::Host, Host> Host::EXTENSION_ID;
-
-    Host::Host()
-    {
-      if (not Host::EXTENSION_ID.valid())
-        Host::EXTENSION_ID = s4u::Host::extension_create<simix::Host>();
-
-      simgrid::simix::ActorImpl act;
-      process_list = xbt_swag_new(xbt_swag_offset(act, host_proc_hookup));
-    }
-
-    Host::~Host()
-    {
-      /* All processes should be gone when the host is turned off (by the end of the simulation). */
-      if (xbt_swag_size(process_list) != 0) {
-        std::string msg     = std::string("Shutting down host, but it's not empty:");
-        smx_actor_t process = nullptr;
-
-        xbt_swag_foreach(process, process_list) msg = msg + "\n\t" + process->name.c_str();
-
-        SIMIX_display_process_status();
-        THROWF(arg_error, 0, "%s", msg.c_str());
-      }
-      for (auto const& arg : auto_restart_processes)
-        delete arg;
-      auto_restart_processes.clear();
-      for (auto const& arg : boot_processes)
-        delete arg;
-      boot_processes.clear();
-      xbt_swag_free(process_list);
-    }
-
-    /** Re-starts all the actors that are marked as restartable.
-     *
-     * Weird things will happen if you turn on an host that is already on. S4U is fool-proof, not this.
-     */
-    void Host::turnOn()
-    {
-      for (auto const& arg : boot_processes) {
-        XBT_DEBUG("Booting Process %s(%s) right now", arg->name.c_str(), arg->host->getCname());
-        smx_actor_t actor = simix_global->create_process_function(arg->name.c_str(), arg->code, nullptr, arg->host,
-                                                                  arg->properties.get(), nullptr);
-        if (arg->kill_time >= 0)
-          simcall_process_set_kill_time(actor, arg->kill_time);
-        if (arg->auto_restart)
-          actor->auto_restart = arg->auto_restart;
-      }
-    }
-
-}} // namespaces
-
-/** @brief Stop the host if it is on */
-void SIMIX_host_off(sg_host_t h, smx_actor_t issuer)
-{
-  simgrid::simix::Host* host = h->extension<simgrid::simix::Host>();
-
-  xbt_assert((host != nullptr), "Invalid parameters");
-
-  if (h->isOn()) {
-    h->pimpl_cpu->turnOff();
-
-    /* Clean Simulator data */
-    if (xbt_swag_size(host->process_list) != 0) {
-      smx_actor_t process = nullptr;
-      xbt_swag_foreach(process, host->process_list) {
-        SIMIX_process_kill(process, issuer);
-        XBT_DEBUG("Killing %s@%s on behalf of %s which turned off that host.", process->getCname(),
-                  process->host->getCname(), issuer->getCname());
-      }
-    }
-  } else {
-    XBT_INFO("Host %s is already off", h->getCname());
-  }
-}
-
-sg_host_t sg_host_self()
-{
-  smx_actor_t process = SIMIX_process_self();
-  return (process == nullptr) ? nullptr : process->host;
-}
-
 /* needs to be public and without simcall for exceptions and logging events */
 const char* sg_host_self_get_name()
 {
@@ -104,94 +21,37 @@ const char* sg_host_self_get_name()
   if (host == nullptr || SIMIX_process_self() == simix_global->maestro_process)
     return "";
 
-  return host->getCname();
-}
-
-/**
- * \brief Add a process to the list of the processes that the host will restart when it comes back
- * This function add a process to the list of the processes that will be restarted when the host comes
- * back. It is expected that this function is called when the host is down.
- * The processes will only be restarted once, meaning that you will have to register the process
- * again to restart the process again.
- */
-void SIMIX_host_add_auto_restart_process(sg_host_t host, const char* name, std::function<void()> code, void* data,
-                                         double kill_time, std::map<std::string, std::string>* properties,
-                                         int auto_restart)
-{
-  smx_process_arg_t arg = new simgrid::simix::ProcessArg();
-  arg->name = name;
-  arg->code = std::move(code);
-  arg->data = data;
-  arg->host = host;
-  arg->kill_time = kill_time;
-  arg->properties.reset(properties, [](decltype(properties)) {});
-  arg->auto_restart = auto_restart;
-
-  if (host->isOff() && watched_hosts.find(host->getCname()) == watched_hosts.end()) {
-    watched_hosts.insert(host->getCname());
-    XBT_DEBUG("Push host %s to watched_hosts because state == SURF_RESOURCE_OFF", host->getCname());
-  }
-  host->extension<simgrid::simix::Host>()->auto_restart_processes.push_back(arg);
-}
-/** @brief Restart the list of processes that have been registered to the host */
-void SIMIX_host_autorestart(sg_host_t host)
-{
-  std::vector<simgrid::simix::ProcessArg*> process_list =
-      host->extension<simgrid::simix::Host>()->auto_restart_processes;
-
-  for (auto const& arg : process_list) {
-    XBT_DEBUG("Restarting Process %s@%s right now", arg->name.c_str(), arg->host->getCname());
-    smx_actor_t actor = simix_global->create_process_function(arg->name.c_str(), arg->code, nullptr, arg->host,
-                                                              arg->properties.get(), nullptr);
-    if (arg->kill_time >= 0)
-      simcall_process_set_kill_time(actor, arg->kill_time);
-    if (arg->auto_restart)
-      actor->auto_restart = arg->auto_restart;
-  }
-  process_list.clear();
-}
-
-boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl> simcall_HANDLER_execution_start(smx_simcall_t simcall,
-                                                                                          const char* name,
-                                                                                          double flops_amount,
-                                                                                          double priority, double bound)
-{
-  return SIMIX_execution_start(simcall->issuer, name,flops_amount,priority,bound);
+  return host->get_cname();
 }
 
-boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
-SIMIX_execution_start(smx_actor_t issuer, const char* name, double flops_amount, double priority, double bound)
+simgrid::kernel::activity::ExecImplPtr SIMIX_execution_start(std::string name, std::string category,
+                                                             double flops_amount, double priority, double bound,
+                                                             sg_host_t host)
 {
-
-  /* alloc structures and initialize */
-  simgrid::kernel::activity::ExecImplPtr exec =
-      simgrid::kernel::activity::ExecImplPtr(new simgrid::kernel::activity::ExecImpl(name, issuer->host));
-
   /* set surf's action */
+  simgrid::kernel::resource::Action* surf_action = nullptr;
   if (not MC_is_active() && not MC_record_replay_is_active()) {
-
-    exec->surf_exec = issuer->host->pimpl_cpu->execution_start(flops_amount);
-    exec->surf_exec->setData(exec.get());
-    exec->surf_exec->setSharingWeight(priority);
-
+    surf_action = host->pimpl_cpu->execution_start(flops_amount);
+    surf_action->set_priority(priority);
     if (bound > 0)
-      static_cast<simgrid::surf::CpuAction*>(exec->surf_exec)->setBound(bound);
+      surf_action->set_bound(bound);
   }
 
-  XBT_DEBUG("Create execute synchro %p: %s", exec.get(), exec->name.c_str());
+  simgrid::kernel::activity::ExecImplPtr exec = simgrid::kernel::activity::ExecImplPtr(
+      new simgrid::kernel::activity::ExecImpl(name, surf_action, /*timeout_detector*/ nullptr, host));
+
+  exec->set_category(category);
+  XBT_DEBUG("Create execute synchro %p: %s", exec.get(), exec->name_.c_str());
+  simgrid::kernel::activity::ExecImpl::on_creation(exec);
 
   return exec;
 }
 
-boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
-SIMIX_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list, double* flops_amount,
-                               double* bytes_amount, double rate, double timeout)
+simgrid::kernel::activity::ExecImplPtr SIMIX_execution_parallel_start(std::string name, int host_nb,
+                                                                      sg_host_t* host_list, double* flops_amount,
+                                                                      double* bytes_amount, double rate, double timeout)
 {
 
-  /* alloc structures and initialize */
-  simgrid::kernel::activity::ExecImplPtr exec =
-      simgrid::kernel::activity::ExecImplPtr(new simgrid::kernel::activity::ExecImpl(name, nullptr));
-
   /* Check that we are not mixing VMs and PMs in the parallel task */
   bool is_a_vm = (nullptr != dynamic_cast<simgrid::s4u::VirtualMachine*>(host_list[0]));
   for (int i = 1; i < host_nb; i++) {
@@ -200,17 +60,18 @@ SIMIX_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_li
   }
 
   /* set surf's synchro */
+  simgrid::kernel::resource::Action* surf_action      = nullptr;
+  simgrid::kernel::resource::Action* timeout_detector = nullptr;
   if (not MC_is_active() && not MC_record_replay_is_active()) {
-    /* set surf's synchro */
-    sg_host_t* host_list_cpy = new sg_host_t[host_nb];
-    std::copy_n(host_list, host_nb, host_list_cpy);
-    exec->surf_exec = surf_host_model->executeParallelTask(host_nb, host_list_cpy, flops_amount, bytes_amount, rate);
-    exec->surf_exec->setData(exec.get());
+    surf_action = surf_host_model->execute_parallel(host_nb, host_list, flops_amount, bytes_amount, rate);
     if (timeout > 0) {
-      exec->timeoutDetector = host_list[0]->pimpl_cpu->sleep(timeout);
-      exec->timeoutDetector->setData(exec.get());
+      timeout_detector = host_list[0]->pimpl_cpu->sleep(timeout);
     }
   }
+
+  simgrid::kernel::activity::ExecImplPtr exec = simgrid::kernel::activity::ExecImplPtr(
+      new simgrid::kernel::activity::ExecImpl(name, surf_action, timeout_detector, nullptr));
+
   XBT_DEBUG("Create parallel execute synchro %p", exec.get());
 
   return exec;
@@ -218,30 +79,45 @@ SIMIX_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_li
 
 void simcall_HANDLER_execution_wait(smx_simcall_t simcall, smx_activity_t synchro)
 {
-  simgrid::kernel::activity::ExecImplPtr exec =
-      boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro);
-  XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro.get(), (int)synchro->state);
+  XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro.get(), (int)synchro->state_);
 
   /* Associate this simcall to the synchro */
-  synchro->simcalls.push_back(simcall);
+  synchro->simcalls_.push_back(simcall);
   simcall->issuer->waiting_synchro = synchro;
 
   /* set surf's synchro */
   if (MC_is_active() || MC_record_replay_is_active()) {
-    synchro->state = SIMIX_DONE;
-    SIMIX_execution_finish(exec);
+    synchro->state_ = SIMIX_DONE;
+    SIMIX_execution_finish(synchro);
     return;
   }
 
   /* If the synchro is already finished then perform the error handling */
-  if (synchro->state != SIMIX_RUNNING)
-    SIMIX_execution_finish(exec);
+  if (synchro->state_ != SIMIX_RUNNING)
+    SIMIX_execution_finish(synchro);
+}
+
+void simcall_HANDLER_execution_test(smx_simcall_t simcall, smx_activity_t synchro)
+{
+  int res = (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING);
+  if (res) {
+    synchro->simcalls_.push_back(simcall);
+    SIMIX_execution_finish(synchro);
+  } else {
+    SIMIX_simcall_answer(simcall);
+  }
+  simcall_execution_test__set__result(simcall, res);
 }
 
-void SIMIX_execution_finish(simgrid::kernel::activity::ExecImplPtr exec)
+void SIMIX_execution_finish(smx_activity_t synchro)
 {
-  for (smx_simcall_t const& simcall : exec->simcalls) {
-    switch (exec->state) {
+  simgrid::kernel::activity::ExecImplPtr exec =
+      boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro);
+
+  while (not synchro->simcalls_.empty()) {
+    smx_simcall_t simcall = synchro->simcalls_.front();
+    synchro->simcalls_.pop_front();
+    switch (exec->state_) {
 
       case SIMIX_DONE:
         /* do nothing, synchro done */
@@ -249,9 +125,10 @@ void SIMIX_execution_finish(simgrid::kernel::activity::ExecImplPtr exec)
         break;
 
       case SIMIX_FAILED:
-        XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->host->getCname());
-        simcall->issuer->context->iwannadie = 1;
-        SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
+        XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->host_->get_cname());
+        simcall->issuer->context_->iwannadie = true;
+        simcall->issuer->exception =
+            std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed"));
         break;
 
       case SIMIX_CANCELED:
@@ -261,38 +138,37 @@ void SIMIX_execution_finish(simgrid::kernel::activity::ExecImplPtr exec)
 
       case SIMIX_TIMEOUT:
         XBT_DEBUG("SIMIX_execution_finished: execution timeouted");
-        SMX_EXCEPTION(simcall->issuer, timeout_error, 0, "Timeouted");
+        simcall->issuer->exception = std::make_exception_ptr(simgrid::TimeoutError(XBT_THROW_POINT, "Timeouted"));
         break;
 
       default:
-        xbt_die("Internal error in SIMIX_execution_finish: unexpected synchro state %d",
-            (int)exec->state);
+        xbt_die("Internal error in SIMIX_execution_finish: unexpected synchro state %d", (int)exec->state_);
     }
     /* Fail the process if the host is down */
-    if (simcall->issuer->host->isOff())
-      simcall->issuer->context->iwannadie = 1;
+    if (simcall->issuer->host_->is_off())
+      simcall->issuer->context_->iwannadie = true;
 
     simcall->issuer->waiting_synchro = nullptr;
-    simcall_execution_wait__set__result(simcall, exec->state);
+    simcall_execution_wait__set__result(simcall, exec->state_);
     SIMIX_simcall_answer(simcall);
   }
 }
 
-void SIMIX_set_category(smx_activity_t synchro, const char *category)
+void SIMIX_set_category(smx_activity_t synchro, std::string category)
 {
-  if (synchro->state != SIMIX_RUNNING)
+  if (synchro->state_ != SIMIX_RUNNING)
     return;
 
   simgrid::kernel::activity::ExecImplPtr exec =
       boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro);
   if (exec != nullptr) {
-    exec->surf_exec->setCategory(category);
+    exec->surf_action_->set_category(category);
     return;
   }
 
   simgrid::kernel::activity::CommImplPtr comm =
       boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
   if (comm != nullptr) {
-    comm->surf_comm->setCategory(category);
+    comm->surfAction_->set_category(category);
   }
 }