-/* Copyright (c) 2015-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2015-2021. 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 "src/mc/remote/AppSide.hpp"
#include "src/internal_config.h"
+#include "src/kernel/actor/ActorImpl.hpp"
+#include "src/kernel/actor/SimcallObserver.hpp"
+#include "src/mc/remote/RemoteProcess.hpp"
+#include "xbt/xbt_modinter.h" /* mmalloc_preinit to get the default mmalloc arena address */
#include <simgrid/modelchecker.h>
#include <cerrno>
#include <sys/socket.h>
#include <sys/types.h>
-// We won't need those once the separation MCer/MCed is complete:
-#include "src/mc/mc_smx.hpp"
-
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_client, mc, "MC client logic");
namespace simgrid {
if (errno != 0 || raise(SIGSTOP) != 0)
xbt_die("Could not wait for the model-checker (errno = %d: %s)", errno, strerror(errno));
+ s_mc_message_initial_addresses_t message{
+ MessageType::INITIAL_ADDRESSES, mmalloc_preinit(), simgrid::kernel::actor::get_maxpid_addr(),
+ simgrid::simix::simix_global_get_actors_addr(), simgrid::simix::simix_global_get_dead_actors_addr()};
+ xbt_assert(instance_->channel_.send(message) == 0, "Could not send the initial message with addresses.");
+
instance_->handle_messages();
return instance_.get();
}
}
// Send result:
- s_mc_message_int_t answer{MC_MESSAGE_DEADLOCK_CHECK_REPLY, deadlock};
+ s_mc_message_int_t answer{MessageType::DEADLOCK_CHECK_REPLY, deadlock};
xbt_assert(channel_.send(answer) == 0, "Could not send response");
}
-void AppSide::handle_continue(const s_mc_message_t*) const
+void AppSide::handle_simcall_execute(const s_mc_message_simcall_handle_t* message) const
{
- /* Nothing to do */
-}
-void AppSide::handle_simcall(const s_mc_message_simcall_handle_t* message) const
-{
- smx_actor_t process = SIMIX_process_from_PID(message->pid);
- xbt_assert(process != nullptr, "Invalid pid %lu", message->pid);
- process->simcall_handle(message->value);
- if (channel_.send(MC_MESSAGE_WAITING))
+ kernel::actor::ActorImpl* process = kernel::actor::ActorImpl::by_pid(message->pid_);
+ xbt_assert(process != nullptr, "Invalid pid %lu", message->pid_);
+ process->simcall_handle(message->times_considered_);
+ if (channel_.send(MessageType::WAITING))
xbt_die("Could not send MESSAGE_WAITING to model-checker");
}
void AppSide::handle_actor_enabled(const s_mc_message_actor_enabled_t* msg) const
{
- bool res = simgrid::mc::actor_is_enabled(SIMIX_process_from_PID(msg->aid));
- s_mc_message_int_t answer{MC_MESSAGE_ACTOR_ENABLED_REPLY, res};
+ bool res = simgrid::mc::actor_is_enabled(kernel::actor::ActorImpl::by_pid(msg->aid));
+ s_mc_message_int_t answer{MessageType::ACTOR_ENABLED_REPLY, res};
channel_.send(answer);
}
void AppSide::handle_messages() const
{
- while (true) {
+ while (true) { // Until we get a CONTINUE message
XBT_DEBUG("Waiting messages from model-checker");
std::array<char, MC_MESSAGE_LENGTH> message_buffer;
const s_mc_message_t* message = (s_mc_message_t*)message_buffer.data();
switch (message->type) {
- case MC_MESSAGE_DEADLOCK_CHECK:
+ case MessageType::DEADLOCK_CHECK:
assert_msg_size("DEADLOCK_CHECK", s_mc_message_t);
handle_deadlock_check(message);
break;
- case MC_MESSAGE_CONTINUE:
+ case MessageType::CONTINUE:
assert_msg_size("MESSAGE_CONTINUE", s_mc_message_t);
- handle_continue(message);
return;
- case MC_MESSAGE_SIMCALL_HANDLE:
+ case MessageType::SIMCALL_HANDLE:
assert_msg_size("SIMCALL_HANDLE", s_mc_message_simcall_handle_t);
- handle_simcall((s_mc_message_simcall_handle_t*)message_buffer.data());
+ handle_simcall_execute((s_mc_message_simcall_handle_t*)message_buffer.data());
+ break;
+
+ case MessageType::SIMCALL_IS_VISIBLE: {
+ assert_msg_size("SIMCALL_IS_VISIBLE", s_mc_message_simcall_is_visible_t);
+ auto msg_simcall = (s_mc_message_simcall_is_visible_t*)message_buffer.data();
+ const kernel::actor::ActorImpl* actor = kernel::actor::ActorImpl::by_pid(msg_simcall->aid);
+ xbt_assert(actor != nullptr, "Invalid pid %d", msg_simcall->aid);
+ xbt_assert(actor->simcall_.observer_, "The transition of %s has no observer", actor->get_cname());
+ bool value = actor->simcall_.observer_->is_visible();
+
+ // Send result:
+ s_mc_message_simcall_is_visible_answer_t answer{MessageType::SIMCALL_IS_VISIBLE_ANSWER, value};
+ xbt_assert(channel_.send(answer) == 0, "Could not send response");
+ break;
+ }
+
+ case MessageType::SIMCALL_TO_STRING: {
+ assert_msg_size("SIMCALL_TO_STRING", s_mc_message_simcall_to_string_t);
+ auto msg_simcall = (s_mc_message_simcall_to_string_t*)message_buffer.data();
+ const kernel::actor::ActorImpl* actor = kernel::actor::ActorImpl::by_pid(msg_simcall->aid);
+ xbt_assert(actor != nullptr, "Invalid pid %d", msg_simcall->aid);
+ xbt_assert(actor->simcall_.observer_, "The transition of %s has no observer", actor->get_cname());
+ std::string value = actor->simcall_.observer_->to_string(msg_simcall->time_considered);
+
+ // Send result:
+ s_mc_message_simcall_to_string_answer_t answer{MessageType::SIMCALL_TO_STRING_ANSWER, {0}};
+ value.copy(answer.value, (sizeof answer.value) - 1); // last byte was set to '\0' by initialization above
+ xbt_assert(channel_.send(answer) == 0, "Could not send response");
break;
+ }
+
+ case MessageType::SIMCALL_DOT_LABEL: {
+ assert_msg_size("SIMCALL_DOT_LABEL", s_mc_message_simcall_to_string_t);
+ auto msg_simcall = (s_mc_message_simcall_to_string_t*)message_buffer.data();
+ const kernel::actor::ActorImpl* actor = kernel::actor::ActorImpl::by_pid(msg_simcall->aid);
+ xbt_assert(actor != nullptr, "Invalid pid %d", msg_simcall->aid);
+ xbt_assert(actor->simcall_.observer_, "The transition of %s has no observer", actor->get_cname());
+ std::string value = actor->simcall_.observer_->dot_label();
+
+ // Send result:
+ s_mc_message_simcall_to_string_answer_t answer{MessageType::SIMCALL_TO_STRING_ANSWER, {0}};
+ value.copy(answer.value, (sizeof answer.value) - 1); // last byte was set to '\0' by initialization above
+ xbt_assert(channel_.send(answer) == 0, "Could not send response");
+ break;
+ }
- case MC_MESSAGE_ACTOR_ENABLED:
+ case MessageType::ACTOR_ENABLED:
assert_msg_size("ACTOR_ENABLED", s_mc_message_actor_enabled_t);
handle_actor_enabled((s_mc_message_actor_enabled_t*)message_buffer.data());
break;
+ case MessageType::FINALIZE: {
+#if HAVE_SMPI
+ XBT_INFO("Finalize. Smpi_enabled: %d", (int)smpi_enabled());
+ simix_global->display_all_actor_status();
+ if (smpi_enabled())
+ SMPI_finalize();
+#endif
+ s_mc_message_int_t answer{MessageType::DEADLOCK_CHECK_REPLY, 0};
+ xbt_assert(channel_.send(answer) == 0, "Could answer to FINALIZE");
+ break;
+ }
+
default:
- xbt_die("Received unexpected message %s (%i)", MC_message_type_name(message->type), message->type);
+ xbt_die("Received unexpected message %s (%i)", to_c_str(message->type), static_cast<int>(message->type));
break;
}
}
void AppSide::main_loop() const
{
while (true) {
- simgrid::mc::wait_for_requests();
- xbt_assert(channel_.send(MC_MESSAGE_WAITING) == 0, "Could not send WAITING message to model-checker");
+ simgrid::mc::execute_actors();
+ xbt_assert(channel_.send(MessageType::WAITING) == 0, "Could not send WAITING message to model-checker");
this->handle_messages();
}
}
void AppSide::report_assertion_failure() const
{
- if (channel_.send(MC_MESSAGE_ASSERTION_FAILED))
+ if (channel_.send(MessageType::ASSERTION_FAILED))
xbt_die("Could not send assertion to model-checker");
this->handle_messages();
}
void AppSide::ignore_memory(void* addr, std::size_t size) const
{
s_mc_message_ignore_memory_t message;
- message.type = MC_MESSAGE_IGNORE_MEMORY;
+ message.type = MessageType::IGNORE_MEMORY;
message.addr = (std::uintptr_t)addr;
message.size = size;
if (channel_.send(message))
const s_xbt_mheap_t* heap = mmalloc_get_current_heap();
s_mc_message_ignore_heap_t message;
- message.type = MC_MESSAGE_IGNORE_HEAP;
+ message.type = MessageType::IGNORE_HEAP;
message.address = address;
message.size = size;
message.block = ((char*)address - (char*)heap->heapbase) / BLOCKSIZE + 1;
void AppSide::unignore_heap(void* address, std::size_t size) const
{
s_mc_message_ignore_memory_t message;
- message.type = MC_MESSAGE_UNIGNORE_HEAP;
+ message.type = MessageType::UNIGNORE_HEAP;
message.addr = (std::uintptr_t)address;
message.size = size;
if (channel_.send(message))
void AppSide::declare_symbol(const char* name, int* value) const
{
s_mc_message_register_symbol_t message;
- message.type = MC_MESSAGE_REGISTER_SYMBOL;
- if (strlen(name) + 1 > sizeof(message.name))
+ message.type = MessageType::REGISTER_SYMBOL;
+ if (strlen(name) + 1 > message.name.size())
xbt_die("Symbol is too long");
- strncpy(message.name, name, sizeof(message.name));
+ strncpy(message.name.data(), name, message.name.size());
message.callback = nullptr;
message.data = value;
if (channel_.send(message))
region.block = ((char*)stack - (char*)heap->heapbase) / BLOCKSIZE + 1;
s_mc_message_stack_region_t message;
- message.type = MC_MESSAGE_STACK_REGION;
+ message.type = MessageType::STACK_REGION;
message.stack_region = region;
if (channel_.send(message))
xbt_die("Could not send STACK_REGION to model-checker");
