#include <cstddef>
#include <cstdint>
+#include <vector>
+
#include "mc_base.h"
#include "mc/mc.h"
#include <sys/time.h>
#endif
-#include <xbt/fifo.h>
-#include <xbt/automaton.h>
-
#include "src/simix/smx_process_private.h"
-#ifdef HAVE_MC
+#if HAVE_MC
#include <libunwind.h>
#include "src/mc/mc_comm_pattern.h"
#include "src/mc/mc_request.h"
#include "src/mc/mc_record.h"
#include "src/mc/mc_protocol.h"
-#include "src/mc/mc_client.h"
-
-extern "C" {
+#include "src/mc/Client.hpp"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
- "Logging specific to MC (global)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc, "Logging specific to MC (global)");
e_mc_mode_t mc_mode;
-double *mc_time = nullptr;
+namespace simgrid {
+namespace mc {
+
+std::vector<double> processes_time;
+
+}
+}
-#ifdef HAVE_MC
+#if HAVE_MC
int user_max_depth_reached = 0;
/* MC global data structures */
mc_state_t mc_current_state = nullptr;
-char mc_replay_mode = FALSE;
+char mc_replay_mode = false;
mc_stats_t mc_stats = nullptr;
mc_global_t initial_global_state = nullptr;
xbt_fifo_t mc_stack = nullptr;
/* Liveness */
-xbt_automaton_t _mc_property_automaton = nullptr;
+
+namespace simgrid {
+namespace mc {
+
+xbt_automaton_t property_automaton = nullptr;
+
+}
+}
/* Dot output */
FILE *dot_output = nullptr;
-const char *colors[13];
/******************************* Initialisation of MC *******************************/
/*********************************************************************************/
void MC_init_dot_output()
-{ /* FIXME : more colors */
-
- colors[0] = "blue";
- colors[1] = "red";
- colors[2] = "green3";
- colors[3] = "goldenrod";
- colors[4] = "brown";
- colors[5] = "purple";
- colors[6] = "magenta";
- colors[7] = "turquoise4";
- colors[8] = "gray25";
- colors[9] = "forestgreen";
- colors[10] = "hotpink";
- colors[11] = "lightblue";
- colors[12] = "tan";
-
+{
dot_output = fopen(_sg_mc_dot_output_file, "w");
if (dot_output == nullptr) {
}
-#ifdef HAVE_MC
+#if HAVE_MC
void MC_init()
{
- mc_time = xbt_new0(double, simix_process_maxpid);
+ simgrid::mc::processes_time.resize(simix_process_maxpid);
if (_sg_mc_visited > 0 || _sg_mc_liveness || _sg_mc_termination || mc_mode == MC_MODE_SERVER) {
/* Those requests are handled on the client side and propagated by message
* to the server: */
- MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
+ MC_ignore_heap(simgrid::mc::processes_time.data(),
+ simix_process_maxpid * sizeof(double));
smx_process_t process;
- xbt_swag_foreach(process, simix_global->process_list) {
+ xbt_swag_foreach(process, simix_global->process_list)
MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
- }
}
}
{
mc_mode = MC_MODE_CLIENT;
MC_init();
- MC_client_main_loop();
+ simgrid::mc::Client::get()->mainLoop();
}
void MC_exit(void)
{
- xbt_free(mc_time);
-
+ simgrid::mc::processes_time.clear();
MC_memory_exit();
//xbt_abort();
}
-#ifdef HAVE_MC
-int MC_deadlock_check()
-{
- if (mc_mode == MC_MODE_SERVER) {
- int res;
- if ((res = mc_model_checker->process().send_message(MC_MESSAGE_DEADLOCK_CHECK)))
- xbt_die("Could not check deadlock state");
- s_mc_int_message_t message;
- ssize_t s = mc_model_checker->process().receive_message(message);
- if (s == -1)
- xbt_die("Could not receive message");
- else if (s != sizeof(message) || message.type != MC_MESSAGE_DEADLOCK_CHECK_REPLY) {
- xbt_die("%s received unexpected message %s (%i, size=%i) "
- "expected MC_MESSAGE_DEADLOCK_CHECK_REPLY (%i, size=%i)",
- MC_mode_name(mc_mode),
- MC_message_type_name(message.type), (int) message.type, (int) s,
- (int) MC_MESSAGE_DEADLOCK_CHECK_REPLY, (int) sizeof(message)
- );
- }
- else
- return message.value;
- }
-
- int deadlock = FALSE;
- smx_process_t process;
- if (xbt_swag_size(simix_global->process_list)) {
- deadlock = TRUE;
- xbt_swag_foreach(process, simix_global->process_list) {
- if (MC_process_is_enabled(process)) {
- deadlock = FALSE;
- break;
- }
- }
- }
- return deadlock;
-}
-#endif
-
/**
* \brief Re-executes from the state at position start all the transitions indicated by
* a given model-checker stack.
/* Debug information */
if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
- req_str = MC_request_to_string(req, value, MC_REQUEST_SIMIX);
+ req_str = simgrid::mc::request_to_string(req, value, simgrid::mc::RequestType::simix);
XBT_DEBUG("Replay: %s (%p)", req_str, state);
xbt_free(req_str);
}
if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
call = MC_get_call_type(req);
- MC_simcall_handle(req, value);
+ simgrid::mc::handle_simcall(req, value);
if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
MC_handle_comm_pattern(call, req, value, nullptr, 1);
XBT_DEBUG("**** End Replay ****");
}
-void MC_replay_liveness(xbt_fifo_t stack)
-{
- xbt_fifo_item_t item;
- mc_pair_t pair = nullptr;
- mc_state_t state = nullptr;
- smx_simcall_t req = nullptr, saved_req = NULL;
- int value, depth = 1;
- char *req_str;
-
- XBT_DEBUG("**** Begin Replay ****");
-
- /* Intermediate backtracking */
- if(_sg_mc_checkpoint > 0) {
- item = xbt_fifo_get_first_item(stack);
- pair = (mc_pair_t) xbt_fifo_get_item_content(item);
- if(pair->graph_state->system_state){
- simgrid::mc::restore_snapshot(pair->graph_state->system_state);
- return;
- }
- }
-
- /* Restore the initial state */
- simgrid::mc::restore_snapshot(initial_global_state->snapshot);
-
- /* Traverse the stack from the initial state and re-execute the transitions */
- for (item = xbt_fifo_get_last_item(stack);
- item != xbt_fifo_get_first_item(stack);
- item = xbt_fifo_get_prev_item(item)) {
-
- pair = (mc_pair_t) xbt_fifo_get_item_content(item);
-
- state = (mc_state_t) pair->graph_state;
-
- if (pair->exploration_started) {
-
- saved_req = MC_state_get_executed_request(state, &value);
-
- if (saved_req != nullptr) {
- /* because we got a copy of the executed request, we have to fetch the
- real one, pointed by the request field of the issuer process */
- const smx_process_t issuer = MC_smx_simcall_get_issuer(saved_req);
- req = &issuer->simcall;
-
- /* Debug information */
- if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
- req_str = MC_request_to_string(req, value, MC_REQUEST_SIMIX);
- XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
- xbt_free(req_str);
- }
-
- }
-
- MC_simcall_handle(req, value);
- mc_model_checker->wait_for_requests();
- }
-
- /* Update statistics */
- mc_stats->visited_pairs++;
- mc_stats->executed_transitions++;
-
- depth++;
-
- }
-
- XBT_DEBUG("**** End Replay ****");
-}
-
/**
* \brief Dumps the contents of a model-checker's stack and shows the actual
* execution trace
state = (mc_state_t)xbt_fifo_get_item_content(item);
req = MC_state_get_executed_request(state, &value);
if (req) {
- req_str = MC_request_to_string(req, value, MC_REQUEST_EXECUTED);
+ req_str = simgrid::mc::request_to_string(req, value, simgrid::mc::RequestType::executed);
XBT_INFO("%s", req_str);
xbt_free(req_str);
}
XBT_INFO("*** DEAD-LOCK DETECTED ***");
XBT_INFO("**************************");
XBT_INFO("Locked request:");
- /*req_str = MC_request_to_string(req);
+ /*req_str = simgrid::mc::request_to_string(req);
XBT_INFO("%s", req_str);
xbt_free(req_str); */
XBT_INFO("Counter-example execution trace:");
MC_print_statistics(mc_stats);
}
-
-void MC_show_stack_liveness(xbt_fifo_t stack)
-{
- int value;
- mc_pair_t pair;
- xbt_fifo_item_t item;
- smx_simcall_t req;
- char *req_str = nullptr;
-
- for (item = xbt_fifo_get_last_item(stack);
- item; item = xbt_fifo_get_prev_item(item)) {
- pair = (mc_pair_t) xbt_fifo_get_item_content(item);
- req = MC_state_get_executed_request(pair->graph_state, &value);
- if (req && req->call != SIMCALL_NONE) {
- req_str = MC_request_to_string(req, value, MC_REQUEST_EXECUTED);
- XBT_INFO("%s", req_str);
- xbt_free(req_str);
- }
- }
-}
-
-
-void MC_dump_stack_liveness(xbt_fifo_t stack)
-{
- mc_pair_t pair;
- while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != nullptr)
- MC_pair_delete(pair);
-}
-
void MC_print_statistics(mc_stats_t stats)
{
if(_sg_mc_comms_determinism) {
void MC_automaton_load(const char *file)
{
- if (_mc_property_automaton == nullptr)
- _mc_property_automaton = xbt_automaton_new();
+ if (simgrid::mc::property_automaton == nullptr)
+ simgrid::mc::property_automaton = xbt_automaton_new();
- xbt_automaton_load(_mc_property_automaton, file);
+ xbt_automaton_load(simgrid::mc::property_automaton, file);
}
// TODO, fix cross-process access (this function is not used)
double MC_process_clock_get(smx_process_t process)
{
- if (mc_time) {
- if (process != nullptr)
- return mc_time[process->pid];
- else
- return -1;
- } else {
+ if (simgrid::mc::processes_time.empty())
return 0;
- }
+ if (process != nullptr)
+ return simgrid::mc::processes_time[process->pid];
+ return -1;
}
void MC_process_clock_add(smx_process_t process, double amount)
{
- mc_time[process->pid] += amount;
+ simgrid::mc::processes_time[process->pid] += amount;
}
-#ifdef HAVE_MC
+#if HAVE_MC
void MC_report_assertion_error(void)
{
XBT_INFO("**************************");
}
#endif
-
-}