1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include "surf_private.h"
11 #include "surf/surf_resource.h"
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
14 "Logging specific to the SURF storage module");
16 surf_model_t surf_storage_model = NULL;
18 typedef struct surf_storage {
19 s_surf_resource_t generic_resource;
21 const char* content; /*should be a dict */
22 } s_surf_storage_t, *surf_storage_t;
24 static surf_action_t storage_action_open(void *storage, const char* path, const char* mode)
29 static surf_action_t storage_action_close(void *storage, surf_file_t fp)
34 static surf_action_t storage_action_read(void *storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
39 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
44 static surf_action_t storage_action_stat(void *storage, int fd, void* buf)
49 static void* storage_create_resource(const char* id, const char* model,
50 const char* content, xbt_dict_t storage_properties)
52 XBT_INFO("SURF: storage_create_resource '%s'",id);
53 surf_storage_t storage = NULL;
54 xbt_assert(!surf_storage_resource_by_name(id),
55 "Storage '%s' declared several times in the platform file",
57 storage = (surf_storage_t) surf_resource_new(sizeof(s_surf_storage_t),
58 surf_storage_model, id, storage_properties);
59 storage->model = model;
60 storage->content = content;
61 xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
66 static void storage_finalize(void)
68 surf_model_exit(surf_storage_model);
69 surf_storage_model = NULL;
72 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
74 storage_create_resource(storage->id,
80 static void storage_define_callbacks()
82 sg_platf_storage_add_cb(parse_storage_init);
85 static void surf_storage_model_init_internal(void)
87 XBT_DEBUG("surf_storage_model_init_internal");
88 surf_storage_model = surf_model_init();
90 surf_storage_model->name = "Storage";
92 surf_storage_model->extension.storage.open = storage_action_open;
93 surf_storage_model->extension.storage.close = storage_action_close;
94 surf_storage_model->extension.storage.read = storage_action_read;
95 surf_storage_model->extension.storage.write = storage_action_write;
96 surf_storage_model->extension.storage.stat = storage_action_stat;
97 surf_storage_model->extension.storage.create_resource = storage_create_resource;
99 surf_storage_model->model_private->finalize = storage_finalize;
101 xbt_dynar_push(model_list, &surf_storage_model);
104 void surf_storage_model_init_default(void)
106 surf_storage_model_init_internal();
107 storage_define_callbacks();