X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ea9cce21b6d3f37823143217f1ca183bb2f0c9ac..fd4234eb94e29294081a0732440e5868e561d78b:/src/mc/mc_base.cpp

diff --git a/src/mc/mc_base.cpp b/src/mc/mc_base.cpp
index fd67dae861..d7cf4ebc5e 100644
--- a/src/mc/mc_base.cpp
+++ b/src/mc/mc_base.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008-2014. The SimGrid Team.
+/* Copyright (c) 2008-2015. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -8,30 +8,39 @@
 
 #include <simgrid/simix.h>
 
-#include "mc_base.h"
-#include "../simix/smx_private.h"
-#include "mc_record.h"
+#include "src/mc/mc_base.h"
+#include "src/simix/smx_private.h"
+#include "src/mc/mc_record.h"
+#include "src/mc/mc_replay.h"
+#include "mc/mc.h"
+#include "src/mc/mc_protocol.h"
 
 #ifdef HAVE_MC
-#include "mc_process.h"
-#include "mc_model_checker.h"
-#include "mc_protocol.h"
-#include "mc_smx.h"
-#include "mc_server.h"
+#include "src/mc/Process.hpp"
+#include "src/mc/ModelChecker.hpp"
+#include "src/mc/mc_smx.h"
+#endif
+
+#ifdef HAVE_MC
+using simgrid::mc::remote;
 #endif
 
 extern "C" {
 
 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
 
+int MC_random(int min, int max)
+{
+  xbt_assert(mc_mode != MC_MODE_SERVER);
+  /* TODO, if the MC is disabled we do not really need to make a simcall for
+   * this :) */
+  /* FIXME: return mc_current_state->executed_transition->random.value; */
+  return simcall_mc_random(min, max);
+}
+
 void MC_wait_for_requests(void)
 {
-#ifdef HAVE_MC
-  if (mc_mode == MC_MODE_SERVER) {
-    MC_server_wait_client(&mc_model_checker->process);
-    return;
-  }
-#endif
+  assert(mc_mode != MC_MODE_SERVER);
 
   smx_process_t process;
   smx_simcall_t req;
@@ -47,6 +56,7 @@ void MC_wait_for_requests(void)
   }
 }
 
+// Called from both MCer and MCed:
 int MC_request_is_enabled(smx_simcall_t req)
 {
   unsigned int index = 0;
@@ -65,10 +75,8 @@ int MC_request_is_enabled(smx_simcall_t req)
 
 #ifdef HAVE_MC
     // Fetch from MCed memory:
-    if (!MC_process_is_self(&mc_model_checker->process)) {
-      MC_process_read(&mc_model_checker->process, MC_ADDRESS_SPACE_READ_FLAGS_NONE,
-        &temp_synchro, act, sizeof(temp_synchro),
-        MC_PROCESS_INDEX_ANY);
+    if (mc_mode == MC_MODE_SERVER) {
+      mc_model_checker->process().read(&temp_synchro, remote(act));
       act = &temp_synchro;
     }
 #endif
@@ -87,50 +95,56 @@ int MC_request_is_enabled(smx_simcall_t req)
     return (act->comm.src_proc && act->comm.dst_proc);
 
   case SIMCALL_COMM_WAITANY: {
+    xbt_dynar_t comms;
 #ifdef HAVE_MC
-    // Read dynar:
-    s_xbt_dynar_t comms;
-    MC_process_read_simple(&mc_model_checker->process,
-      &comms, simcall_comm_waitany__get__comms(req), sizeof(comms));
-    // Read dynar buffer:
-    assert(comms.elmsize == sizeof(act));
-    size_t buffer_size = comms.elmsize * comms.used;
-    char buffer[buffer_size];
-    MC_process_read_simple(&mc_model_checker->process,
-      buffer, comms.data, sizeof(buffer));
-#endif
 
-#ifdef HAVE_MC
-    for (index = 0; index < comms.used; ++index) {
-      memcpy(&act, buffer + comms.elmsize * index, sizeof(act));
+    s_xbt_dynar_t comms_buffer;
+    size_t buffer_size = 0;
+    if (mc_mode == MC_MODE_SERVER) {
+      // Read dynar:
+      mc_model_checker->process().read(
+        &comms_buffer, remote(simcall_comm_waitany__get__comms(req)));
+      assert(comms_buffer.elmsize == sizeof(act));
+      buffer_size = comms_buffer.elmsize * comms_buffer.used;
+      comms = &comms_buffer;
+    } else {
+      comms = simcall_comm_waitany__get__comms(req);
+    }
+    // Read all the dynar buffer:
+    char buffer[buffer_size];
+    if (mc_mode == MC_MODE_SERVER)
+      mc_model_checker->process().read_bytes(buffer, sizeof(buffer),
+        remote(comms->data));
 #else
-    xbt_dynar_foreach(simcall_comm_waitany__get__comms(req), index, act) {
+    comms = simcall_comm_waitany__get__comms(req);
 #endif
 
+    for (index = 0; index < comms->used; ++index) {
 #ifdef HAVE_MC
-      // Fetch from MCed memory:
-      if (!MC_process_is_self(&mc_model_checker->process)) {
-        MC_process_read(&mc_model_checker->process, MC_ADDRESS_SPACE_READ_FLAGS_NONE,
-          &temp_synchro, act, sizeof(temp_synchro),
-          MC_PROCESS_INDEX_ANY);
+      // Fetch act from MCed memory:
+      if (mc_mode == MC_MODE_SERVER) {
+        memcpy(&act, buffer + comms->elmsize * index, sizeof(act));
+        mc_model_checker->process().read(&temp_synchro, remote(act));
         act = &temp_synchro;
       }
+      else
 #endif
-
+        act = xbt_dynar_get_as(comms, index, smx_synchro_t);
       if (act->comm.src_proc && act->comm.dst_proc)
         return TRUE;
     }
     return FALSE;
   }
 
+  case SIMCALL_MUTEX_TRYLOCK:
+    return TRUE;
+
   case SIMCALL_MUTEX_LOCK: {
     smx_mutex_t mutex = simcall_mutex_lock__get__mutex(req);
 #ifdef HAVE_MC
     s_smx_mutex_t temp_mutex;
-    if (!MC_process_is_self(&mc_model_checker->process)) {
-      MC_process_read(&mc_model_checker->process, MC_ADDRESS_SPACE_READ_FLAGS_NONE,
-        &temp_mutex, mutex, sizeof(temp_mutex),
-        MC_PROCESS_INDEX_ANY);
+    if (mc_mode == MC_MODE_SERVER) {
+      mc_model_checker->process().read(&temp_mutex, remote(mutex));
       mutex = &temp_mutex;
     }
 #endif
@@ -162,6 +176,7 @@ int MC_request_is_visible(smx_simcall_t req)
       || req->call == SIMCALL_COMM_TESTANY
       || req->call == SIMCALL_MC_RANDOM
       || req->call == SIMCALL_MUTEX_LOCK
+      || req->call == SIMCALL_MUTEX_TRYLOCK
 #ifdef HAVE_MC
       || req->call == SIMCALL_MC_SNAPSHOT
       || req->call == SIMCALL_MC_COMPARE_SNAPSHOTS
@@ -169,12 +184,6 @@ int MC_request_is_visible(smx_simcall_t req)
       ;
 }
 
-int MC_random(int min, int max)
-{
-  /*FIXME: return mc_current_state->executed_transition->random.value; */
-  return simcall_mc_random(min, max);
-}
-
 static int prng_random(int min, int max)
 {
   unsigned long output_size = ((unsigned long) max - (unsigned long) min) + 1;
@@ -208,7 +217,7 @@ void MC_simcall_handle(smx_simcall_t req, int value)
 #ifndef HAVE_MC
   SIMIX_simcall_handle(req, value);
 #else
-  if (MC_process_is_self(&mc_model_checker->process)) {
+  if (mc_mode == MC_MODE_CLIENT) {
     SIMIX_simcall_handle(req, value);
     return;
   }
@@ -216,9 +225,10 @@ void MC_simcall_handle(smx_simcall_t req, int value)
   unsigned i;
   mc_smx_process_info_t pi = NULL;
 
-  xbt_dynar_foreach_ptr(mc_model_checker->process.smx_process_infos, i, pi) {
+  xbt_dynar_foreach_ptr(mc_model_checker->process().smx_process_infos, i, pi) {
     if (req == &pi->copy.simcall) {
-      MC_server_simcall_handle(&mc_model_checker->process, pi->copy.pid, value);
+      mc_model_checker->simcall_handle(
+        mc_model_checker->process(), pi->copy.pid, value);
       return;
     }
   }