X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/02a7d032779c8f37702c9513f1c3fbb988088677..756df47074b2d7b0721f234077f5ef8d75e13932:/src/mc/mc_snapshot.cpp

diff --git a/src/mc/mc_snapshot.cpp b/src/mc/mc_snapshot.cpp
index 5a101b92ce..2d534f516e 100644
--- a/src/mc/mc_snapshot.cpp
+++ b/src/mc/mc_snapshot.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2014. The SimGrid Team.
+/* Copyright (c) 2014-2015. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -6,13 +6,13 @@
 
 #include <stdbool.h>
 
-#include "internal_config.h"
-#include "smpi/private.h"
+#include "src/internal_config.h"
+#include "src/smpi/private.h"
 
-#include "mc_snapshot.h"
-#include "mc_private.h"
-#include "mc_mmu.h"
-#include "PageStore.hpp"
+#include "src/mc/mc_snapshot.h"
+#include "src/mc/mc_private.h"
+#include "src/mc/mc_mmu.h"
+#include "src/mc/PageStore.hpp"
 
 extern "C" {
 
@@ -24,15 +24,15 @@ extern "C" {
  *         (or NULL if it does not belong to any snapshot region)
  * */
 mc_mem_region_t mc_get_snapshot_region(
-  const void* addr, const s_mc_snapshot_t* snapshot, int process_index)
+  const void* addr, const simgrid::mc::Snapshot* snapshot, int process_index)
 {
-  size_t n = snapshot->snapshot_regions_count;
+  size_t n = snapshot->snapshot_regions.size();
   for (size_t i = 0; i != n; ++i) {
-    mc_mem_region_t region = snapshot->snapshot_regions[i];
-    if (!(region && mc_region_contain(region, addr)))
+    mc_mem_region_t region = snapshot->snapshot_regions[i].get();
+    if (!(region && region->contain(simgrid::mc::remote(addr))))
       continue;
 
-    if (region->storage_type == MC_REGION_STORAGE_TYPE_PRIVATIZED) {
+    if (region->storage_type() == simgrid::mc::StorageType::Privatized) {
 #ifdef HAVE_SMPI
       // Use the current process index of the snapshot:
       if (process_index == simgrid::mc::ProcessIndexDisabled) {
@@ -41,12 +41,12 @@ mc_mem_region_t mc_get_snapshot_region(
       if (process_index < 0) {
         xbt_die("Missing process index");
       }
-      if (process_index >= (int) region->privatized_regions_.size()) {
+      if (process_index >= (int) region->privatized_data().size()) {
         xbt_die("Invalid process index");
       }
-      mc_mem_region_t priv_region = region->privatized_regions_[process_index].get();
-      xbt_assert(mc_region_contain(priv_region, addr));
-      return priv_region;
+      simgrid::mc::RegionSnapshot& priv_region = region->privatized_data()[process_index];
+      xbt_assert(priv_region.contain(simgrid::mc::remote(addr)));
+      return &priv_region;
 #else
       xbt_die("Privatized region in a non SMPI build (this should not happen)");
 #endif
@@ -114,8 +114,8 @@ int MC_snapshot_region_memcmp(
   // Using alloca() for large allocations may trigger stack overflow:
   // use malloc if the buffer is too big.
   bool stack_alloc = size < 64;
-  const bool region1_need_buffer = region1==NULL || region1->storage_type==MC_REGION_STORAGE_TYPE_FLAT;
-  const bool region2_need_buffer = region2==NULL || region2->storage_type==MC_REGION_STORAGE_TYPE_FLAT;
+  const bool region1_need_buffer = region1==NULL || region1->storage_type()==simgrid::mc::StorageType::Flat;
+  const bool region2_need_buffer = region2==NULL || region2->storage_type()==simgrid::mc::StorageType::Flat;
   void* buffer1a = region1_need_buffer ? NULL : stack_alloc ? alloca(size) : malloc(size);
   void* buffer2a = region2_need_buffer ? NULL : stack_alloc ? alloca(size) : malloc(size);
   const void* buffer1 = MC_region_read(region1, buffer1a, addr1, size);
@@ -153,34 +153,20 @@ int MC_snapshot_memcmp(
 namespace simgrid {
 namespace mc {
 
-Snapshot::Snapshot() :
-  process(nullptr),
+Snapshot::Snapshot(Process* process) :
+  AddressSpace(process),
   num_state(0),
   heap_bytes_used(0),
-  snapshot_regions(nullptr),
-  snapshot_regions_count(0),
-  enabled_processes(0),
+  enabled_processes(),
   privatization_index(0),
-  stack_sizes(nullptr),
-  stacks(nullptr),
-  to_ignore(nullptr),
-  hash(0),
-  ignored_data(nullptr),
-  total_fd(0),
-  current_fd(nullptr)
+  hash(0)
 {
 
 }
+
 Snapshot::~Snapshot()
 {
-  for (size_t i = 0; i < this->snapshot_regions_count; i++) {
-    delete this->snapshot_regions[i];
-  }
-  xbt_free(this->snapshot_regions);
-  xbt_free(this->stack_sizes);
-  xbt_dynar_free(&(this->stacks));
-  xbt_dynar_free(&(this->to_ignore));
-  xbt_dynar_free(&this->ignored_data);
+
 }
 
 const void* Snapshot::read_bytes(void* buffer, std::size_t size,
@@ -198,12 +184,15 @@ const void* Snapshot::read_bytes(void* buffer, std::size_t size,
     }
   }
   else
-    return this->read_bytes(buffer, size, address, process_index, mode);
+    return this->process()->read_bytes(
+      buffer, size, address, process_index, mode);
 }
 
 }
 }
 
+}
+
 #ifdef SIMGRID_TEST
 
 #include <string.h>
@@ -211,11 +200,9 @@ const void* Snapshot::read_bytes(void* buffer, std::size_t size,
 
 #include <sys/mman.h>
 
-#include "mc/mc_private.h"
-#include "mc/mc_snapshot.h"
-#include "mc/mc_mmu.h"
-
-extern "C" {
+#include "src/mc/mc_private.h"
+#include "src/mc/mc_snapshot.h"
+#include "src/mc/mc_mmu.h"
 
 XBT_TEST_SUITE("mc_snapshot", "Snapshots");
 
@@ -256,55 +243,52 @@ static void test_snapshot(bool sparse_checkpoint) {
 
     // Init memory and take snapshots:
     init_memory(source, byte_size);
-    mc_mem_region_t region0 = mc_region_new_sparse(
-      MC_REGION_TYPE_UNKNOWN, source, source, byte_size);
+    simgrid::mc::RegionSnapshot region0 = simgrid::mc::sparse_region(
+      simgrid::mc::RegionType::Unknown, source, source, byte_size, nullptr);
     for(int i=0; i<n; i+=2) {
       init_memory((char*) source + i*xbt_pagesize, xbt_pagesize);
     }
-    mc_mem_region_t region = mc_region_new_sparse(
-      MC_REGION_TYPE_UNKNOWN, source, source, byte_size);
+    simgrid::mc::RegionSnapshot region = simgrid::mc::sparse_region(
+      simgrid::mc::RegionType::Unknown, source, source, byte_size, nullptr);
 
     void* destination = mmap(NULL, byte_size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
     xbt_assert(source!=MAP_FAILED, "Could not allocate destination memory");
 
     xbt_test_add("Reading whole region data for %i page(s)", n);
-    const void* read = MC_region_read(region, destination, source, byte_size);
+    const void* read = MC_region_read(&region, destination, source, byte_size);
     xbt_test_assert(!memcmp(source, read, byte_size), "Mismatch in MC_region_read()");
 
     xbt_test_add("Reading parts of region data for %i page(s)", n);
     for(int j=0; j!=100; ++j) {
       size_t offset = rand() % byte_size;
       size_t size = rand() % (byte_size - offset);
-      const void* read = MC_region_read(region, destination, (const char*) source+offset, size);
+      const void* read = MC_region_read(&region, destination, (const char*) source+offset, size);
       xbt_test_assert(!memcmp((char*) source+offset, read, size),
         "Mismatch in MC_region_read()");
     }
 
     xbt_test_add("Compare whole region data for %i page(s)", n);
 
-    xbt_test_assert(MC_snapshot_region_memcmp(source, region0, source, region, byte_size),
+    xbt_test_assert(MC_snapshot_region_memcmp(source, &region0, source, &region, byte_size),
       "Unexpected match in MC_snapshot_region_memcmp() with previous snapshot");
 
     xbt_test_add("Compare parts of region data for %i page(s) with itself", n);
     for(int j=0; j!=100; ++j) {
       size_t offset = rand() % byte_size;
       size_t size = rand() % (byte_size - offset);
-      xbt_test_assert(!MC_snapshot_region_memcmp((char*) source+offset, region, (char*) source+offset, region, size),
+      xbt_test_assert(!MC_snapshot_region_memcmp((char*) source+offset, &region, (char*) source+offset, &region, size),
         "Mismatch in MC_snapshot_region_memcmp()");
     }
 
     if (n==1) {
       xbt_test_add("Read pointer for %i page(s)", n);
       memcpy(source, &mc_model_checker, sizeof(void*));
-      mc_mem_region_t region2 = mc_region_new_sparse(
-        MC_REGION_TYPE_UNKNOWN, source, source, byte_size);
-      xbt_test_assert(MC_region_read_pointer(region2, source) == mc_model_checker,
+      simgrid::mc::RegionSnapshot region2 = simgrid::mc::sparse_region(
+        simgrid::mc::RegionType::Unknown, source, source, byte_size, nullptr);
+      xbt_test_assert(MC_region_read_pointer(&region2, source) == mc_model_checker,
         "Mismtach in MC_region_read_pointer()");
-      delete region2;
     }
 
-    delete region;
-    delete region0;
     munmap(destination, byte_size);
     munmap(source, byte_size);
   }
@@ -313,8 +297,5 @@ static void test_snapshot(bool sparse_checkpoint) {
   mc_model_checker = NULL;
 }
 
-}
-
 #endif /* SIMGRID_TEST */
 
-}