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prevent using garbage in data field
[simgrid.git] / src / simix / smx_io.c
index 9822703..e638530 100644 (file)
@@ -15,17 +15,56 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix,
                                 "Logging specific to SIMIX (io)");
 
 
+/**
+ * \brief Internal function to create a SIMIX storage.
+ * \param name name of the storage to create
+ * \param storage the SURF storage to encapsulate
+ * \param data some user data (may be NULL)
+ */
+smx_storage_t SIMIX_storage_create(const char *name, void *storage, void *data)
+{
+  smx_storage_priv_t smx_storage = xbt_new0(s_smx_storage_priv_t, 1);
+
+  smx_storage->data = data;
+
+  /* Update global variables */
+  xbt_lib_set(storage_lib,name,SIMIX_STORAGE_LEVEL,smx_storage);
+
+  return xbt_lib_get_or_null(storage_lib, name, SIMIX_STORAGE_LEVEL);
+}
+
+
+void* SIMIX_pre_file_get_data(smx_simcall_t simcall,smx_file_t fd){
+  return SIMIX_file_get_data(fd);
+}
+
+void* SIMIX_file_get_data(smx_file_t fd){
+  xbt_assert((fd != NULL), "Invalid parameters (simix file is NULL)");
+
+  return fd->data;
+}
+
+void SIMIX_pre_file_set_data(smx_simcall_t simcall, smx_file_t fd, void *data) {
+  SIMIX_file_set_data(fd, data);
+}
+
+void SIMIX_file_set_data(smx_file_t fd, void *data){
+  xbt_assert((fd != NULL), "Invalid parameter");
+
+  fd->data = data;
+}
+
 //SIMIX FILE READ
-void SIMIX_pre_file_read(smx_simcall_t simcall, void *ptr, size_t size,
-                        size_t nmemb, smx_file_t fd)
+void SIMIX_pre_file_read(smx_simcall_t simcall, size_t size,
+                       smx_file_t fd)
 {
-  smx_action_t action = SIMIX_file_read(simcall->issuer, ptr, size, nmemb, fd);
+  smx_action_t action = SIMIX_file_read(simcall->issuer, size, fd);
   xbt_fifo_push(action->simcalls, simcall);
   simcall->issuer->waiting_action = action;
 }
 
-smx_action_t SIMIX_file_read(smx_process_t process, void* ptr, size_t size,
-                             size_t nmemb, smx_file_t fd)
+smx_action_t SIMIX_file_read(smx_process_t process, size_t size,
+                             smx_file_t fd)
 {
   smx_action_t action;
   smx_host_t host = process->smx_host;
@@ -46,7 +85,7 @@ smx_action_t SIMIX_file_read(smx_process_t process, void* ptr, size_t size,
 
   action->io.host = host;
   action->io.surf_io =
-      surf_workstation_model->extension.workstation.read(host, ptr, size, nmemb,
+      surf_workstation_model->extension.workstation.read(host, size,
                                                          fd->surf_file);
 
   surf_workstation_model->action_data_set(action->io.surf_io, action);
@@ -56,16 +95,16 @@ smx_action_t SIMIX_file_read(smx_process_t process, void* ptr, size_t size,
 }
 
 //SIMIX FILE WRITE
-void SIMIX_pre_file_write(smx_simcall_t simcall, const void *ptr, size_t size,
-                         size_t nmemb, smx_file_t fd)
+void SIMIX_pre_file_write(smx_simcall_t simcall, size_t size,
+                         smx_file_t fd)
 {
-  smx_action_t action = SIMIX_file_write(simcall->issuer, ptr, size, nmemb, fd);
+  smx_action_t action = SIMIX_file_write(simcall->issuer, size, fd);
   xbt_fifo_push(action->simcalls, simcall);
   simcall->issuer->waiting_action = action;
 }
 
-smx_action_t SIMIX_file_write(smx_process_t process, const void* ptr,
-                              size_t size, size_t nmemb, smx_file_t fd)
+smx_action_t SIMIX_file_write(smx_process_t process,
+                              size_t size, smx_file_t fd)
 {
   smx_action_t action;
   smx_host_t host = process->smx_host;
@@ -86,8 +125,8 @@ smx_action_t SIMIX_file_write(smx_process_t process, const void* ptr,
 
   action->io.host = host;
   action->io.surf_io =
-      surf_workstation_model->extension.workstation.write(host, ptr, size,
-                                                          nmemb, fd->surf_file);
+      surf_workstation_model->extension.workstation.write(host, size,
+                                                          fd->surf_file);
 
   surf_workstation_model->action_data_set(action->io.surf_io, action);
   XBT_DEBUG("Create io action %p", action);
@@ -172,16 +211,13 @@ smx_action_t SIMIX_file_close(smx_process_t process, smx_file_t fd)
 
 
 //SIMIX FILE UNLINK
-void SIMIX_pre_file_unlink(smx_simcall_t simcall, smx_file_t fd)
+int SIMIX_pre_file_unlink(smx_simcall_t simcall, smx_file_t fd)
 {
-  smx_action_t action = SIMIX_file_unlink(simcall->issuer, fd);
-  xbt_fifo_push(action->simcalls, simcall);
-  simcall->issuer->waiting_action = action;
+  return SIMIX_file_unlink(simcall->issuer, fd);
 }
 
-smx_action_t SIMIX_file_unlink(smx_process_t process, smx_file_t fd)
+int SIMIX_file_unlink(smx_process_t process, smx_file_t fd)
 {
-  smx_action_t action;
   smx_host_t host = process->smx_host;
   /* check if the host is active */
   if (surf_workstation_model->extension.
@@ -190,20 +226,11 @@ smx_action_t SIMIX_file_unlink(smx_process_t process, smx_file_t fd)
            sg_host_name(host));
   }
 
-  action = xbt_mallocator_get(simix_global->action_mallocator);
-  action->type = SIMIX_ACTION_IO;
-  action->name = NULL;
-#ifdef HAVE_TRACING
-  action->category = NULL;
-#endif
-
-  action->io.host = host;
-  action->io.surf_io = surf_workstation_model->extension.workstation.unlink(host, fd->surf_file);
-
-  surf_workstation_model->action_data_set(action->io.surf_io, action);
-  XBT_DEBUG("Create io action %p", action);
-
-  return action;
+  if (surf_workstation_model->extension.workstation.unlink(host, fd->surf_file)){
+    fd->surf_file = NULL;
+    return 1;
+  } else
+    return 0;
 }
 
 //SIMIX FILE LS
@@ -251,6 +278,85 @@ size_t SIMIX_file_get_size(smx_process_t process, smx_file_t fd)
       fd->surf_file);
 }
 
+xbt_dynar_t SIMIX_pre_file_get_info(smx_simcall_t simcall, smx_file_t fd)
+{
+  return SIMIX_file_get_info(simcall->issuer, fd);
+}
+
+xbt_dynar_t SIMIX_file_get_info(smx_process_t process, smx_file_t fd)
+{
+  smx_host_t host = process->smx_host;
+  return  surf_workstation_model->extension.workstation.get_info(host,
+      fd->surf_file);
+}
+
+size_t SIMIX_pre_storage_get_free_size(smx_simcall_t simcall, const char* name)
+{
+  return SIMIX_storage_get_free_size(simcall->issuer, name);
+}
+
+size_t SIMIX_storage_get_free_size(smx_process_t process, const char* name)
+{
+  smx_host_t host = process->smx_host;
+  return  surf_workstation_model->extension.workstation.get_free_size(host,name);
+}
+
+size_t SIMIX_pre_storage_get_used_size(smx_simcall_t simcall, const char* name)
+{
+  return SIMIX_storage_get_used_size(simcall->issuer, name);
+}
+
+size_t SIMIX_storage_get_used_size(smx_process_t process, const char* name)
+{
+  smx_host_t host = process->smx_host;
+  return  surf_workstation_model->extension.workstation.get_used_size(host,name);
+}
+
+xbt_dict_t SIMIX_pre_storage_get_properties(smx_simcall_t simcall, smx_storage_t storage){
+  return SIMIX_storage_get_properties(storage);
+}
+xbt_dict_t SIMIX_storage_get_properties(smx_storage_t storage){
+  xbt_assert((storage != NULL), "Invalid parameters (simix storage is NULL)");
+  return surf_storage_model->extension.storage.get_properties(storage);
+}
+
+const char* SIMIX_pre_storage_get_name(smx_simcall_t simcall, smx_storage_t storage){
+   return SIMIX_storage_get_name(storage);
+}
+
+const char* SIMIX_storage_get_name(smx_storage_t storage){
+  xbt_assert((storage != NULL), "Invalid parameters");
+  return sg_storage_name(storage);
+}
+
+void SIMIX_pre_storage_set_data(smx_simcall_t simcall, smx_storage_t storage, void *data) {
+  SIMIX_storage_set_data(storage, data);
+}
+void SIMIX_storage_set_data(smx_storage_t storage, void *data){
+  xbt_assert((storage != NULL), "Invalid parameters");
+  xbt_assert((SIMIX_storage_priv(storage)->data == NULL), "Data already set");
+
+  SIMIX_storage_priv(storage)->data = data;
+}
+
+void* SIMIX_pre_storage_get_data(smx_simcall_t simcall,smx_storage_t storage){
+  return SIMIX_storage_get_data(storage);
+}
+
+void* SIMIX_storage_get_data(smx_storage_t storage){
+  xbt_assert((storage != NULL), "Invalid parameters (simix storage is NULL)");
+
+  return SIMIX_storage_priv(storage)->data;
+}
+
+xbt_dict_t SIMIX_pre_storage_get_content(smx_simcall_t simcall, smx_storage_t storage){
+  return SIMIX_storage_get_content(storage);
+}
+
+xbt_dict_t SIMIX_storage_get_content(smx_storage_t storage){
+  xbt_assert((storage != NULL), "Invalid parameters (simix storage is NULL)");
+  return surf_storage_model->extension.storage.get_content(storage);
+}
 
 void SIMIX_post_io(smx_action_t action)
 {
@@ -282,11 +388,6 @@ void SIMIX_post_io(smx_action_t action)
       simcall_file_read__set__result(simcall, (action->io.surf_io)->cost);
       break;
 
-    case SIMCALL_FILE_UNLINK:
-      xbt_free(simcall_file_unlink__get__fd(simcall));
-      simcall_file_unlink__set__result(simcall, 0);
-      break;
-
     case SIMCALL_FILE_LS:
 //      xbt_dict_foreach((action->io.surf_io)->ls_dict,cursor,key, src){
 //        // if there is a stat we have to duplicate it