X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=lib%2Fctf-writer%2Fattributes.c;fp=lib%2Fctf-writer%2Fattributes.c;h=0000000000000000000000000000000000000000;hp=a594015f1bd9b7f48b72702a60d3ec470c2c88c1;hb=67d2ce028c96b6a3b3614b393d8928663bce4490;hpb=172e6876abbb70d0323a500e6b44f90641fbe2fb diff --git a/lib/ctf-writer/attributes.c b/lib/ctf-writer/attributes.c deleted file mode 100644 index a594015f..00000000 --- a/lib/ctf-writer/attributes.c +++ /dev/null @@ -1,347 +0,0 @@ -/* - * attributes.c - * - * Babeltrace CTF writer - Attributes - * - * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation - * Copyright (c) 2015 Philippe Proulx - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#define BT_LOG_TAG "CTF-WRITER-ATTRS" -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -#define BT_CTF_ATTR_NAME_INDEX 0 -#define BT_CTF_ATTR_VALUE_INDEX 1 - -BT_HIDDEN -struct bt_ctf_private_value *bt_ctf_attributes_create(void) -{ - struct bt_ctf_private_value *attr_obj; - - /* - * Attributes: array value object of array value objects, each one - * containing two entries: a string value object (attributes - * field name), and a value object (attributes field value). - * - * Example (JSON representation): - * - * [ - * ["hostname", "eeppdesk"], - * ["sysname", "Linux"], - * ["tracer_major", 2], - * ["tracer_minor", 5] - * ] - */ - BT_LOGD_STR("Creating attributes object."); - attr_obj = bt_ctf_private_value_array_create(); - if (!attr_obj) { - BT_LOGE_STR("Failed to create array value."); - } else { - BT_LOGD("Created attributes object: addr=%p", - attr_obj); - } - - return attr_obj; -} - -BT_HIDDEN -void bt_ctf_attributes_destroy(struct bt_ctf_private_value *attr_obj) -{ - BT_LOGD("Destroying attributes object: addr=%p", attr_obj); - bt_ctf_object_put_ref(attr_obj); -} - -BT_HIDDEN -int64_t bt_ctf_attributes_get_count(struct bt_ctf_private_value *attr_obj) -{ - return bt_ctf_value_array_get_size(bt_ctf_private_value_as_value(attr_obj)); -} - -BT_HIDDEN -const char *bt_ctf_attributes_get_field_name(struct bt_ctf_private_value *attr_obj, - uint64_t index) -{ - const char *ret = NULL; - struct bt_ctf_private_value *attr_field_obj = NULL; - struct bt_ctf_private_value *attr_field_name_obj = NULL; - - if (!attr_obj) { - BT_LOGW_STR("Invalid parameter: attributes object is NULL."); - goto end; - } - - if (index >= bt_ctf_value_array_get_size(bt_ctf_private_value_as_value(attr_obj))) { - BT_LOGW("Invalid parameter: index is out of bounds: " - "index=%" PRIu64 ", count=%" PRId64, - index, bt_ctf_value_array_get_size(bt_ctf_private_value_as_value(attr_obj))); - goto end; - } - - attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index( - attr_obj, index); - if (!attr_field_obj) { - BT_LOGE("Cannot get attributes object's array value's element by index: " - "value-addr=%p, index=%" PRIu64, attr_obj, index); - goto end; - } - - attr_field_name_obj = - bt_ctf_private_value_array_borrow_element_by_index( - attr_field_obj, BT_CTF_ATTR_NAME_INDEX); - if (!attr_field_name_obj) { - BT_LOGE("Cannot get attribute array value's element by index: " - "value-addr=%p, index=%" PRIu64, attr_field_obj, - (uint64_t) BT_CTF_ATTR_NAME_INDEX); - goto end; - } - - ret = bt_ctf_value_string_get( - bt_ctf_private_value_as_value(attr_field_name_obj)); - -end: - return ret; -} - -BT_HIDDEN -struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_value(struct bt_ctf_private_value *attr_obj, - uint64_t index) -{ - struct bt_ctf_private_value *value_obj = NULL; - struct bt_ctf_private_value *attr_field_obj = NULL; - - if (!attr_obj) { - BT_LOGW_STR("Invalid parameter: attributes object is NULL."); - goto end; - } - - if (index >= bt_ctf_value_array_get_size(bt_ctf_private_value_as_value(attr_obj))) { - BT_LOGW("Invalid parameter: index is out of bounds: " - "index=%" PRIu64 ", count=%" PRId64, - index, bt_ctf_value_array_get_size(bt_ctf_private_value_as_value(attr_obj))); - goto end; - } - - attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index( - attr_obj, index); - if (!attr_field_obj) { - BT_LOGE("Cannot get attributes object's array value's element by index: " - "value-addr=%p, index=%" PRIu64, attr_obj, index); - goto end; - } - - value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj, - BT_CTF_ATTR_VALUE_INDEX); - if (!value_obj) { - BT_LOGE("Cannot get attribute array value's element by index: " - "value-addr=%p, index=%" PRIu64, attr_field_obj, - (uint64_t) BT_CTF_ATTR_VALUE_INDEX); - } - -end: - return value_obj; -} - -static -struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_by_name( - struct bt_ctf_private_value *attr_obj, const char *name) -{ - uint64_t i; - int64_t attr_size; - struct bt_ctf_private_value *value_obj = NULL; - struct bt_ctf_private_value *attr_field_name_obj = NULL; - - attr_size = bt_ctf_value_array_get_size(bt_ctf_private_value_as_value(attr_obj)); - if (attr_size < 0) { - BT_LOGE("Cannot get array value's size: value-addr=%p", - attr_obj); - goto error; - } - - for (i = 0; i < attr_size; ++i) { - const char *field_name; - - value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_obj, i); - if (!value_obj) { - BT_LOGE("Cannot get attributes object's array value's element by index: " - "value-addr=%p, index=%" PRIu64, attr_obj, i); - goto error; - } - - attr_field_name_obj = bt_ctf_private_value_array_borrow_element_by_index(value_obj, - BT_CTF_ATTR_NAME_INDEX); - if (!attr_field_name_obj) { - BT_LOGE("Cannot get attribute array value's element by index: " - "value-addr=%p, index=%" PRIu64, - value_obj, (int64_t) BT_CTF_ATTR_NAME_INDEX); - goto error; - } - - field_name = bt_ctf_value_string_get( - bt_ctf_private_value_as_value(attr_field_name_obj)); - - if (!strcmp(field_name, name)) { - break; - } - - value_obj = NULL; - } - - return value_obj; - -error: - value_obj = NULL; - return value_obj; -} - -BT_HIDDEN -int bt_ctf_attributes_set_field_value(struct bt_ctf_private_value *attr_obj, - const char *name, struct bt_ctf_private_value *value_obj) -{ - int ret = 0; - struct bt_ctf_private_value *attr_field_obj = NULL; - - if (!attr_obj || !name || !value_obj) { - BT_LOGW("Invalid parameter: attributes object, name, or value object is NULL: " - "attr-value-addr=%p, name-addr=%p, value-addr=%p", - attr_obj, name, value_obj); - ret = -1; - goto end; - } - - attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name); - if (attr_field_obj) { - ret = bt_ctf_private_value_array_set_element_by_index( - attr_field_obj, BT_CTF_ATTR_VALUE_INDEX, - bt_ctf_private_value_as_value(value_obj)); - attr_field_obj = NULL; - goto end; - } - - attr_field_obj = bt_ctf_private_value_array_create(); - if (!attr_field_obj) { - BT_LOGE_STR("Failed to create empty array value."); - ret = -1; - goto end; - } - - ret = bt_ctf_private_value_array_append_string_element(attr_field_obj, name); - ret |= bt_ctf_private_value_array_append_element(attr_field_obj, - bt_ctf_private_value_as_value(value_obj)); - if (ret) { - BT_LOGE("Cannot append elements to array value: addr=%p", - attr_field_obj); - goto end; - } - - ret = bt_ctf_private_value_array_append_element(attr_obj, - bt_ctf_private_value_as_value(attr_field_obj)); - if (ret) { - BT_LOGE("Cannot append element to array value: " - "array-value-addr=%p, element-value-addr=%p", - attr_obj, attr_field_obj); - } - -end: - bt_ctf_object_put_ref(attr_field_obj); - return ret; -} - -BT_HIDDEN -struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_value_by_name( - struct bt_ctf_private_value *attr_obj, const char *name) -{ - struct bt_ctf_private_value *value_obj = NULL; - struct bt_ctf_private_value *attr_field_obj = NULL; - - if (!attr_obj || !name) { - BT_LOGW("Invalid parameter: attributes object or name is NULL: " - "value-addr=%p, name-addr=%p", attr_obj, name); - goto end; - } - - attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name); - if (!attr_field_obj) { - BT_LOGD("Cannot find attributes object's field by name: " - "value-addr=%p, name=\"%s\"", attr_obj, name); - goto end; - } - - value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj, - BT_CTF_ATTR_VALUE_INDEX); - if (!value_obj) { - BT_LOGE("Cannot get attribute array value's element by index: " - "value-addr=%p, index=%" PRIu64, attr_field_obj, - (uint64_t) BT_CTF_ATTR_VALUE_INDEX); - } - -end: - return value_obj; -} - -BT_HIDDEN -int bt_ctf_attributes_freeze(struct bt_ctf_private_value *attr_obj) -{ - uint64_t i; - int64_t count; - int ret = 0; - - if (!attr_obj) { - BT_LOGW_STR("Invalid parameter: attributes object is NULL."); - ret = -1; - goto end; - } - - BT_LOGD("Freezing attributes object: value-addr=%p", attr_obj); - count = bt_ctf_value_array_get_size(bt_ctf_private_value_as_value(attr_obj)); - BT_ASSERT(count >= 0); - - /* - * We do not freeze the array value object itself here, since - * internal stuff could need to modify/add attributes. Each - * attribute is frozen one by one. - */ - for (i = 0; i < count; ++i) { - struct bt_ctf_private_value *obj = NULL; - - obj = bt_ctf_attributes_borrow_field_value(attr_obj, i); - if (!obj) { - BT_LOGE("Cannot get attributes object's field value by index: " - "value-addr=%p, index=%" PRIu64, - attr_obj, i); - ret = -1; - goto end; - } - - bt_ctf_value_freeze(bt_ctf_private_value_as_value(obj)); - } - -end: - return ret; -}