X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/030a05a00b073b9a464a4f508d0991cf983ea0df..9788cd051f72b982ec571c96e84577e9749188b1:/src/mc/mc_state.c

diff --git a/src/mc/mc_state.c b/src/mc/mc_state.c
index 46f6d6c93f..f0c240df0d 100644
--- a/src/mc/mc_state.c
+++ b/src/mc/mc_state.c
@@ -1,19 +1,26 @@
-#include "../simix/private.h"
+/* Copyright (c) 2008-2013. 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 "../simix/smx_private.h"
 #include "xbt/fifo.h"
-#include "private.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->max_pid = simix_process_maxpid;
   state->proc_status = xbt_new0(s_mc_procstate_t, state->max_pid);
+  state->system_state = NULL;
+  state->num = ++mc_stats->expanded_states;
   
-  mc_stats->expanded_states++;
   return state;
 }
 
@@ -23,6 +30,8 @@ mc_state_t MC_state_new(void)
  */
 void MC_state_delete(mc_state_t state)
 {
+  if(state->system_state)
+    MC_free_snapshot(state->system_state);
   xbt_free(state->proc_status);
   xbt_free(state);
 }
@@ -33,12 +42,18 @@ void MC_state_interleave_process(mc_state_t state, smx_process_t process)
   state->proc_status[process->pid].interleave_count = 0;
 }
 
+void MC_state_remove_interleave_process(mc_state_t state, smx_process_t process)
+{
+  if(state->proc_status[process->pid].state == MC_INTERLEAVE)
+    state->proc_status[process->pid].state = MC_DONE;
+}
+
 unsigned int MC_state_interleave_size(mc_state_t state)
 {
   unsigned int i, size=0;
 
   for(i=0; i < state->max_pid; i++){
-    if(state->proc_status[i].state == MC_INTERLEAVE)
+    if((state->proc_status[i].state == MC_INTERLEAVE) || (state->proc_status[i].state == MC_MORE_INTERLEAVE))
       size++;
   }
 
@@ -49,46 +64,61 @@ 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_req_t req, int value)
+void MC_state_set_executed_request(mc_state_t state, smx_simcall_t req, int value)
 {
   state->executed_req = *req;
   state->req_num = value;
+  smx_process_t process = NULL;
+  mc_procstate_t procstate = NULL;
 
   /* 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 REQ_COMM_WAITANY:
-      state->internal_req.call = REQ_COMM_WAIT;
+    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;
+      state->internal_comm = *xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_action_t);
+      simcall_comm_wait__set__comm(&state->internal_req, &state->internal_comm);
+      simcall_comm_wait__set__timeout(&state->internal_req, 0);
       break;
 
-    case REQ_COMM_TESTANY:
-      state->internal_req.call = REQ_COMM_TEST;
+    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_comm = *xbt_dynar_get_as(simcall_comm_testany__get__comms(req), value, smx_action_t);
 
-      state->internal_req.comm_wait.comm = &state->internal_comm;
-      state->internal_req.comm_test.result = value;
+      simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm);
+      simcall_comm_test__set__result(&state->internal_req, value);
       break;
 
-    case REQ_COMM_WAIT:
+    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;
+      state->internal_comm = *(simcall_comm_wait__get__comm(req));
+      simcall_comm_wait__set__comm(&state->executed_req, &state->internal_comm);
+      simcall_comm_wait__set__comm(&state->internal_req, &state->internal_comm);
       break;
 
-    case REQ_COMM_TEST:
+    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;
+      state->internal_comm = *simcall_comm_test__get__comm(req);
+      simcall_comm_test__set__comm(&state->executed_req, &state->internal_comm);
+      simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm);
+      break;
+
+    case SIMCALL_MC_RANDOM:
+      state->internal_req = *req;
+      if(value != simcall_mc_random__get__max(req)){
+        xbt_swag_foreach(process, simix_global->process_list){
+          procstate = &state->proc_status[process->pid];
+          if(process->pid == req->issuer->pid){
+            procstate->state = MC_MORE_INTERLEAVE;
+            break;
+          }        
+        }
+      }
       break;
 
     default:
@@ -96,85 +126,92 @@ void MC_state_set_executed_request(mc_state_t state, smx_req_t req, int value)
       break;
   }
 }
-
-smx_req_t MC_state_get_executed_request(mc_state_t state, int *value)
+ 
+smx_simcall_t MC_state_get_executed_request(mc_state_t state, int *value)
 {
   *value = state->req_num;
   return &state->executed_req;
 }
 
-smx_req_t MC_state_get_internal_request(mc_state_t state)
+smx_simcall_t MC_state_get_internal_request(mc_state_t state)
 {
   return &state->internal_req;
 }
 
-smx_req_t MC_state_get_request(mc_state_t state, int *value)
+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(procstate->state == MC_INTERLEAVE || procstate->state == MC_MORE_INTERLEAVE){
       if(MC_process_is_enabled(process)){
-        switch(process->request.call){
-          case REQ_COMM_WAITANY:
+        switch(process->simcall.call){
+          case SIMCALL_COMM_WAITANY:
             *value = -1;
-            while(procstate->interleave_count < xbt_dynar_length(process->request.comm_waitany.comms)){
-              if(MC_request_is_enabled_by_idx(&process->request, procstate->interleave_count++)){
+            while(procstate->interleave_count < xbt_dynar_length(simcall_comm_waitany__get__comms(&process->simcall))){
+              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->request.comm_waitany.comms))
+            if(procstate->interleave_count >= xbt_dynar_length(simcall_comm_waitany__get__comms(&process->simcall)))
               procstate->state = MC_DONE;
 
             if(*value != -1)
-              return &process->request;
+              return &process->simcall;
 
             break;
 
-          case REQ_COMM_TESTANY:
+          case SIMCALL_COMM_TESTANY:
+            start_count = procstate->interleave_count;
             *value = -1;
-            if(MC_request_testany_fail(&process->request)){
-              procstate->state = MC_DONE;
-              return &process->request;
-            }
-
-            while(procstate->interleave_count < xbt_dynar_length(process->request.comm_testany.comms)){
-              if(MC_request_is_enabled_by_idx(&process->request, procstate->interleave_count++)){
+            while(procstate->interleave_count < xbt_dynar_length(simcall_comm_testany__get__comms(&process->simcall))){
+              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->request.comm_testany.comms))
+            if(procstate->interleave_count >= xbt_dynar_length(simcall_comm_testany__get__comms(&process->simcall)))
               procstate->state = MC_DONE;
 
-            if(*value != -1)
-              return &process->request;
+            if(*value != -1 || start_count == 0)
+              return &process->simcall;
 
             break;
 
-          case REQ_COMM_WAIT:
-            if(process->request.comm_wait.comm->comm.src_proc
-               && process->request.comm_wait.comm->comm.dst_proc){
+          case SIMCALL_COMM_WAIT:
+            if(simcall_comm_wait__get__comm(&process->simcall)->comm.src_proc
+               && simcall_comm_wait__get__comm(&process->simcall)->comm.dst_proc){
               *value = 0;
             }else{
               *value = -1;
             }
             procstate->state = MC_DONE;
-            return &process->request;
+            return &process->simcall;
 
             break;
 
+          case SIMCALL_MC_RANDOM:
+            if(procstate->state == MC_INTERLEAVE)
+              *value = 0;
+            else{
+              if(state->req_num < simcall_mc_random__get__max(&process->simcall))
+                *value = state->req_num + 1;
+            }
+            procstate->state = MC_DONE;
+            return &process->simcall;
+            break;
+          
           default:
             procstate->state = MC_DONE;
             *value = 0;
-            return &process->request;
+            return &process->simcall;
             break;
         }
       }