-#include "../simix/private.h"
-#include "xbt/fifo.h"
-#include "private.h"
+/* Copyright (c) 2008-2012 Da 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. */
-static void MC_state_add_transition(mc_state_t state, mc_transition_t trans);
+#include "../simix/smx_private.h"
+#include "xbt/fifo.h"
+#include "mc_private.h"
/**
* \brief Creates a state data structure used by the exploration algorithm
*/
-mc_state_t MC_state_new(void)
+mc_state_t MC_state_new()
{
mc_state_t state = NULL;
state = xbt_new0(s_mc_state_t, 1);
- state->interleave = xbt_setset_new_set(mc_setset);
- state->done = xbt_setset_new_set(mc_setset);
-
+ state->max_pid = simix_process_maxpid;
+ state->proc_status = xbt_new0(s_mc_procstate_t, state->max_pid);
+ state->system_state = NULL;
+
mc_stats->expanded_states++;
return state;
}
+mc_state_t MC_state_pair_new(void)
+{
+ mc_state_t state = NULL;
+
+ state = xbt_new0(s_mc_state_t, 1);
+ state->max_pid = simix_process_maxpid;
+ state->proc_status = xbt_new0(s_mc_procstate_t, state->max_pid);
+
+ //mc_stats->expanded_states++;
+ return state;
+}
+
/**
* \brief Deletes a state data structure
* \param trans The state to be deleted
*/
void MC_state_delete(mc_state_t state)
{
- xbt_setset_destroy_set(state->interleave);
- xbt_setset_destroy_set(state->done);
+ xbt_free(state->proc_status);
xbt_free(state);
}
-void MC_state_set_executed_request(mc_state_t state, smx_req_t req)
+void MC_state_interleave_process(mc_state_t state, smx_process_t process)
{
- state->executed = *req;
+ state->proc_status[process->pid].state = MC_INTERLEAVE;
+ state->proc_status[process->pid].interleave_count = 0;
}
-smx_req_t MC_state_get_executed_request(mc_state_t state)
+unsigned int MC_state_interleave_size(mc_state_t state)
{
- return &state->executed;
+ unsigned int i, size=0;
+
+ for(i=0; i < state->max_pid; i++){
+ if(state->proc_status[i].state == MC_INTERLEAVE)
+ size++;
+ }
+
+ return size;
}
-smx_req_t MC_state_get_request(mc_state_t state)
+int MC_state_process_is_done(mc_state_t state, smx_process_t process){
+ return state->proc_status[process->pid].state == MC_DONE ? TRUE : FALSE;
+}
+
+void MC_state_set_executed_request(mc_state_t state, smx_simcall_t req, int value)
{
- smx_process_t process = NULL;
- while((process = xbt_setset_set_extract(state->interleave))){
- if(SIMIX_process_is_enabled(process)
- && !xbt_setset_set_belongs(state->done, process)){
- xbt_setset_set_insert(state->done, process);
- return process->request;
+ state->executed_req = *req;
+ state->req_num = value;
+
+ /* The waitany and testany request are transformed into a wait or test request over the
+ * corresponding communication action so it can be treated later by the dependence
+ * function. */
+ switch(req->call){
+ case SIMCALL_COMM_WAITANY:
+ state->internal_req.call = SIMCALL_COMM_WAIT;
+ state->internal_req.issuer = req->issuer;
+ state->internal_comm = *xbt_dynar_get_as(req->comm_waitany.comms, value, smx_action_t);
+ state->internal_req.comm_wait.comm = &state->internal_comm;
+ state->internal_req.comm_wait.timeout = 0;
+ break;
+
+ case SIMCALL_COMM_TESTANY:
+ state->internal_req.call = SIMCALL_COMM_TEST;
+ state->internal_req.issuer = req->issuer;
+
+ if(value > 0)
+ state->internal_comm = *xbt_dynar_get_as(req->comm_testany.comms, value, smx_action_t);
+
+ state->internal_req.comm_wait.comm = &state->internal_comm;
+ state->internal_req.comm_test.result = value;
+ break;
+
+ case SIMCALL_COMM_WAIT:
+ state->internal_req = *req;
+ state->internal_comm = *(req->comm_wait.comm);
+ state->executed_req.comm_wait.comm = &state->internal_comm;
+ state->internal_req.comm_wait.comm = &state->internal_comm;
+ break;
+
+ case SIMCALL_COMM_TEST:
+ state->internal_req = *req;
+ state->internal_comm = *req->comm_test.comm;
+ state->executed_req.comm_test.comm = &state->internal_comm;
+ state->internal_req.comm_test.comm = &state->internal_comm;
+ break;
+
+ default:
+ state->internal_req = *req;
+ break;
+ }
+}
+
+smx_simcall_t MC_state_get_executed_request(mc_state_t state, int *value)
+{
+ *value = state->req_num;
+ return &state->executed_req;
+}
+
+smx_simcall_t MC_state_get_internal_request(mc_state_t state)
+{
+ return &state->internal_req;
+}
+
+smx_simcall_t MC_state_get_request(mc_state_t state, int *value)
+{
+ smx_process_t process = NULL;
+ mc_procstate_t procstate = NULL;
+ unsigned int start_count;
+
+ xbt_swag_foreach(process, simix_global->process_list){
+ procstate = &state->proc_status[process->pid];
+
+ if(procstate->state == MC_INTERLEAVE){
+ if(MC_process_is_enabled(process)){
+ switch(process->simcall.call){
+ case SIMCALL_COMM_WAITANY:
+ *value = -1;
+ while(procstate->interleave_count < xbt_dynar_length(process->simcall.comm_waitany.comms)){
+ if(MC_request_is_enabled_by_idx(&process->simcall, procstate->interleave_count++)){
+ *value = procstate->interleave_count-1;
+ break;
+ }
+ }
+
+ if(procstate->interleave_count >= xbt_dynar_length(process->simcall.comm_waitany.comms))
+ procstate->state = MC_DONE;
+
+ if(*value != -1)
+ return &process->simcall;
+
+ break;
+
+ case SIMCALL_COMM_TESTANY:
+ start_count = procstate->interleave_count;
+ *value = -1;
+ while(procstate->interleave_count < xbt_dynar_length(process->simcall.comm_testany.comms)){
+ if(MC_request_is_enabled_by_idx(&process->simcall, procstate->interleave_count++)){
+ *value = procstate->interleave_count - 1;
+ break;
+ }
+ }
+
+ if(procstate->interleave_count >= xbt_dynar_length(process->simcall.comm_testany.comms))
+ procstate->state = MC_DONE;
+
+ if(*value != -1 || start_count == 0)
+ return &process->simcall;
+
+ break;
+
+ case SIMCALL_COMM_WAIT:
+ if(process->simcall.comm_wait.comm->comm.src_proc
+ && process->simcall.comm_wait.comm->comm.dst_proc){
+ *value = 0;
+ }else{
+ *value = -1;
+ }
+ procstate->state = MC_DONE;
+ return &process->simcall;
+
+ break;
+
+ default:
+ procstate->state = MC_DONE;
+ *value = 0;
+ return &process->simcall;
+ break;
+ }
+ }
}
}
-
+
return NULL;
-}
\ No newline at end of file
+}
