1 /* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
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. */
7 #include "simgrid/Exception.hpp"
8 #include "smx_private.hpp"
9 #include "src/kernel/activity/CommImpl.hpp"
10 #include "src/kernel/activity/ExecImpl.hpp"
11 #include "src/mc/mc_replay.hpp"
12 #include "src/plugins/vm/VirtualMachineImpl.hpp"
13 #include "src/simix/smx_host_private.hpp"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_host, simix, "SIMIX hosts");
17 /* needs to be public and without simcall for exceptions and logging events */
18 const char* sg_host_self_get_name()
20 sg_host_t host = sg_host_self();
21 if (host == nullptr || SIMIX_process_self() == simix_global->maestro_process)
24 return host->get_cname();
27 simgrid::kernel::activity::ExecImplPtr
28 SIMIX_execution_parallel_start(std::string name, int host_nb, const sg_host_t* host_list, const double* flops_amount,
29 const double* bytes_amount, double rate, double timeout)
32 /* Check that we are not mixing VMs and PMs in the parallel task */
33 bool is_a_vm = (nullptr != dynamic_cast<simgrid::s4u::VirtualMachine*>(host_list[0]));
34 for (int i = 1; i < host_nb; i++) {
35 bool tmp_is_a_vm = (nullptr != dynamic_cast<simgrid::s4u::VirtualMachine*>(host_list[i]));
36 xbt_assert(is_a_vm == tmp_is_a_vm, "parallel_execute: mixing VMs and PMs is not supported (yet).");
39 /* set surf's synchro */
40 simgrid::kernel::resource::Action* surf_action = nullptr;
41 simgrid::kernel::resource::Action* timeout_detector = nullptr;
42 if (not MC_is_active() && not MC_record_replay_is_active()) {
43 surf_action = surf_host_model->execute_parallel(host_nb, host_list, flops_amount, bytes_amount, rate);
45 timeout_detector = host_list[0]->pimpl_cpu->sleep(timeout);
49 simgrid::kernel::activity::ExecImplPtr exec = simgrid::kernel::activity::ExecImplPtr(
50 new simgrid::kernel::activity::ExecImpl(std::move(name), "", timeout_detector, nullptr));
51 if (surf_action != nullptr) {
52 exec->surf_action_ = surf_action;
53 exec->surf_action_->set_data(exec.get());
55 XBT_DEBUG("Create parallel execute synchro %p", exec.get());
60 void simcall_HANDLER_execution_wait(smx_simcall_t simcall, smx_activity_t synchro)
62 XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro.get(), (int)synchro->state_);
64 /* Associate this simcall to the synchro */
65 synchro->simcalls_.push_back(simcall);
66 simcall->issuer->waiting_synchro = synchro;
68 /* set surf's synchro */
69 if (MC_is_active() || MC_record_replay_is_active()) {
70 synchro->state_ = SIMIX_DONE;
71 SIMIX_execution_finish(synchro);
75 /* If the synchro is already finished then perform the error handling */
76 if (synchro->state_ != SIMIX_RUNNING)
77 SIMIX_execution_finish(synchro);
80 void simcall_HANDLER_execution_test(smx_simcall_t simcall, smx_activity_t synchro)
82 int res = (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING);
84 synchro->simcalls_.push_back(simcall);
85 SIMIX_execution_finish(synchro);
87 SIMIX_simcall_answer(simcall);
89 simcall_execution_test__set__result(simcall, res);
92 void SIMIX_execution_finish(smx_activity_t synchro)
94 simgrid::kernel::activity::ExecImplPtr exec =
95 boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro);
97 while (not synchro->simcalls_.empty()) {
98 smx_simcall_t simcall = synchro->simcalls_.front();
99 synchro->simcalls_.pop_front();
100 switch (exec->state_) {
103 /* do nothing, synchro done */
104 XBT_DEBUG("SIMIX_execution_finished: execution successful");
108 XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->get_host()->get_cname());
109 simcall->issuer->context_->iwannadie = true;
110 simcall->issuer->exception_ =
111 std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed"));
115 XBT_DEBUG("SIMIX_execution_finished: execution canceled");
116 simcall->issuer->exception_ =
117 std::make_exception_ptr(simgrid::CancelException(XBT_THROW_POINT, "Execution Canceled"));
121 XBT_DEBUG("SIMIX_execution_finished: execution timeouted");
122 simcall->issuer->exception_ = std::make_exception_ptr(simgrid::TimeoutError(XBT_THROW_POINT, "Timeouted"));
126 xbt_die("Internal error in SIMIX_execution_finish: unexpected synchro state %d", (int)exec->state_);
129 simcall->issuer->waiting_synchro = nullptr;
130 simcall_execution_wait__set__result(simcall, exec->state_);
132 /* Fail the process if the host is down */
133 if (simcall->issuer->get_host()->is_on())
134 SIMIX_simcall_answer(simcall);
136 simcall->issuer->context_->iwannadie = true;