X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=lib%2Ftrace-ir%2Fevent-class.c;fp=lib%2Ftrace-ir%2Fevent-class.c;h=0000000000000000000000000000000000000000;hp=db3911a083b6dd06adfc3af5bd50f1ce8e6ffb59;hb=578e048b5debf169e286e5b5cc747b5d6c16886d;hpb=68b66a256a54d32992dfefeaad11eea88b7df234 diff --git a/lib/trace-ir/event-class.c b/lib/trace-ir/event-class.c deleted file mode 100644 index db3911a0..00000000 --- a/lib/trace-ir/event-class.c +++ /dev/null @@ -1,413 +0,0 @@ -/* - * Copyright 2017-2018 Philippe Proulx - * Copyright 2013, 2014 Jérémie Galarneau - * - * 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 "EVENT-CLASS" -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define BT_ASSERT_PRE_EVENT_CLASS_HOT(_ec) \ - BT_ASSERT_PRE_HOT(((const struct bt_event_class *) (_ec)), \ - "Event class", ": %!+E", (_ec)) - -static -void destroy_event_class(struct bt_object *obj) -{ - struct bt_event_class *event_class = (void *) obj; - - BT_LIB_LOGD("Destroying event class: %!+E", event_class); - - if (event_class->name.str) { - g_string_free(event_class->name.str, TRUE); - event_class->name.str = NULL; - } - - if (event_class->emf_uri.str) { - g_string_free(event_class->emf_uri.str, TRUE); - event_class->emf_uri.str = NULL; - } - - BT_LOGD_STR("Putting context field class."); - BT_OBJECT_PUT_REF_AND_RESET(event_class->specific_context_fc); - BT_LOGD_STR("Putting payload field class."); - BT_OBJECT_PUT_REF_AND_RESET(event_class->payload_fc); - bt_object_pool_finalize(&event_class->event_pool); - g_free(obj); -} - -static -void free_event(struct bt_event *event, - struct bt_event_class *event_class) -{ - bt_event_destroy(event); -} - -BT_ASSERT_PRE_FUNC -static -bool event_class_id_is_unique(const struct bt_stream_class *stream_class, - uint64_t id) -{ - uint64_t i; - bool is_unique = true; - - for (i = 0; i < stream_class->event_classes->len; i++) { - const struct bt_event_class *ec = - stream_class->event_classes->pdata[i]; - - if (ec->id == id) { - is_unique = false; - goto end; - } - } - -end: - return is_unique; -} - -static -struct bt_event_class *create_event_class_with_id( - struct bt_stream_class *stream_class, uint64_t id) -{ - int ret; - struct bt_event_class *event_class; - - BT_ASSERT(stream_class); - BT_ASSERT_PRE(event_class_id_is_unique(stream_class, id), - "Duplicate event class ID: %![sc-]+S, id=%" PRIu64, - stream_class, id); - BT_LIB_LOGD("Creating event class object: %![sc-]+S, id=%" PRIu64, - stream_class, id); - event_class = g_new0(struct bt_event_class, 1); - if (!event_class) { - BT_LOGE_STR("Failed to allocate one event class."); - goto error; - } - - bt_object_init_shared_with_parent(&event_class->base, - destroy_event_class); - event_class->id = id; - bt_property_uint_init(&event_class->log_level, - BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE, 0); - event_class->name.str = g_string_new(NULL); - if (!event_class->name.str) { - BT_LOGE_STR("Failed to allocate a GString."); - ret = -1; - goto end; - } - - event_class->emf_uri.str = g_string_new(NULL); - if (!event_class->emf_uri.str) { - BT_LOGE_STR("Failed to allocate a GString."); - ret = -1; - goto end; - } - - ret = bt_object_pool_initialize(&event_class->event_pool, - (bt_object_pool_new_object_func) bt_event_new, - (bt_object_pool_destroy_object_func) free_event, - event_class); - if (ret) { - BT_LOGE("Failed to initialize event pool: ret=%d", - ret); - goto error; - } - - bt_object_set_parent(&event_class->base, &stream_class->base); - g_ptr_array_add(stream_class->event_classes, event_class); - bt_stream_class_freeze(stream_class); - BT_LIB_LOGD("Created event class object: %!+E", event_class); - goto end; - -error: - BT_OBJECT_PUT_REF_AND_RESET(event_class); - -end: - return event_class; -} - -struct bt_event_class *bt_event_class_create( - struct bt_stream_class *stream_class) -{ - BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); - BT_ASSERT_PRE(stream_class->assigns_automatic_event_class_id, - "Stream class does not automatically assigns event class IDs: " - "%![sc-]+S", stream_class); - return create_event_class_with_id(stream_class, - (uint64_t) stream_class->event_classes->len); -} - -struct bt_event_class *bt_event_class_create_with_id( - struct bt_stream_class *stream_class, uint64_t id) -{ - BT_ASSERT_PRE(!stream_class->assigns_automatic_event_class_id, - "Stream class automatically assigns event class IDs: " - "%![sc-]+S", stream_class); - return create_event_class_with_id(stream_class, id); -} - -const char *bt_event_class_get_name(const struct bt_event_class *event_class) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - return event_class->name.value; -} - -enum bt_event_class_status bt_event_class_set_name( - struct bt_event_class *event_class, const char *name) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - BT_ASSERT_PRE_NON_NULL(name, "Name"); - BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class); - g_string_assign(event_class->name.str, name); - event_class->name.value = event_class->name.str->str; - BT_LIB_LOGV("Set event class's name: %!+E", event_class); - return BT_EVENT_CLASS_STATUS_OK; -} - -uint64_t bt_event_class_get_id(const struct bt_event_class *event_class) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - return event_class->id; -} - -enum bt_property_availability bt_event_class_get_log_level( - const struct bt_event_class *event_class, - enum bt_event_class_log_level *log_level) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - BT_ASSERT_PRE_NON_NULL(log_level, "Log level (output)"); - *log_level = (enum bt_event_class_log_level) - event_class->log_level.value; - return event_class->log_level.base.avail; -} - -void bt_event_class_set_log_level( - struct bt_event_class *event_class, - enum bt_event_class_log_level log_level) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class); - bt_property_uint_set(&event_class->log_level, - (uint64_t) log_level); - BT_LIB_LOGV("Set event class's log level: %!+E", event_class); -} - -const char *bt_event_class_get_emf_uri(const struct bt_event_class *event_class) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - return event_class->emf_uri.value; -} - -enum bt_event_class_status bt_event_class_set_emf_uri( - struct bt_event_class *event_class, - const char *emf_uri) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - BT_ASSERT_PRE_NON_NULL(emf_uri, "EMF URI"); - BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class); - g_string_assign(event_class->emf_uri.str, emf_uri); - event_class->emf_uri.value = event_class->emf_uri.str->str; - BT_LIB_LOGV("Set event class's EMF URI: %!+E", event_class); - return BT_EVENT_CLASS_STATUS_OK; -} - -struct bt_stream_class *bt_event_class_borrow_stream_class( - struct bt_event_class *event_class) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - return bt_event_class_borrow_stream_class_inline(event_class); -} - -const struct bt_stream_class * -bt_event_class_borrow_stream_class_const( - const struct bt_event_class *event_class) -{ - return bt_event_class_borrow_stream_class((void *) event_class); -} - -const struct bt_field_class * -bt_event_class_borrow_specific_context_field_class_const( - const struct bt_event_class *event_class) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - return event_class->specific_context_fc; -} - -struct bt_field_class * -bt_event_class_borrow_specific_context_field_class( - struct bt_event_class *event_class) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - return event_class->specific_context_fc; -} - -enum bt_event_class_status bt_event_class_set_specific_context_field_class( - struct bt_event_class *event_class, - struct bt_field_class *field_class) -{ - int ret; - struct bt_stream_class *stream_class; - struct bt_resolve_field_path_context resolve_ctx = { - .packet_context = NULL, - .event_common_context = NULL, - .event_specific_context = field_class, - .event_payload = NULL, - }; - - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); - BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class); - BT_ASSERT_PRE(bt_field_class_get_type(field_class) == - BT_FIELD_CLASS_TYPE_STRUCTURE, - "Specific context field class is not a structure field class: " - "%!+F", field_class); - stream_class = bt_event_class_borrow_stream_class_inline( - event_class); - resolve_ctx.packet_context = stream_class->packet_context_fc; - resolve_ctx.event_common_context = - stream_class->event_common_context_fc; - - ret = bt_resolve_field_paths(field_class, &resolve_ctx); - if (ret) { - /* - * This is the only reason for which - * bt_resolve_field_paths() can fail: anything else - * would be because a precondition is not satisfied. - */ - ret = BT_EVENT_CLASS_STATUS_NOMEM; - goto end; - } - - bt_field_class_make_part_of_trace_class(field_class); - bt_object_put_ref(event_class->specific_context_fc); - event_class->specific_context_fc = field_class; - bt_object_get_no_null_check(event_class->specific_context_fc); - bt_field_class_freeze(field_class); - BT_LIB_LOGV("Set event class's specific context field class: %!+E", - event_class); - -end: - return ret; -} - -const struct bt_field_class *bt_event_class_borrow_payload_field_class_const( - const struct bt_event_class *event_class) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - return event_class->payload_fc; -} - -struct bt_field_class *bt_event_class_borrow_payload_field_class( - struct bt_event_class *event_class) -{ - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - return event_class->payload_fc; -} - -enum bt_event_class_status bt_event_class_set_payload_field_class( - struct bt_event_class *event_class, - struct bt_field_class *field_class) -{ - int ret; - struct bt_stream_class *stream_class; - struct bt_resolve_field_path_context resolve_ctx = { - .packet_context = NULL, - .event_common_context = NULL, - .event_specific_context = NULL, - .event_payload = field_class, - }; - - BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); - BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); - BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class); - BT_ASSERT_PRE(bt_field_class_get_type(field_class) == - BT_FIELD_CLASS_TYPE_STRUCTURE, - "Payload field class is not a structure field class: %!+F", - field_class); - stream_class = bt_event_class_borrow_stream_class_inline( - event_class); - resolve_ctx.packet_context = stream_class->packet_context_fc; - resolve_ctx.event_common_context = - stream_class->event_common_context_fc; - resolve_ctx.event_specific_context = event_class->specific_context_fc; - - ret = bt_resolve_field_paths(field_class, &resolve_ctx); - if (ret) { - /* - * This is the only reason for which - * bt_resolve_field_paths() can fail: anything else - * would be because a precondition is not satisfied. - */ - ret = BT_EVENT_CLASS_STATUS_NOMEM; - goto end; - } - - bt_field_class_make_part_of_trace_class(field_class); - bt_object_put_ref(event_class->payload_fc); - event_class->payload_fc = field_class; - bt_object_get_no_null_check(event_class->payload_fc); - bt_field_class_freeze(field_class); - BT_LIB_LOGV("Set event class's payload field class: %!+E", event_class); - -end: - return ret; -} - -BT_HIDDEN -void _bt_event_class_freeze(const struct bt_event_class *event_class) -{ - /* The field classes are already frozen */ - BT_ASSERT(event_class); - BT_LIB_LOGD("Freezing event class: %!+E", event_class); - ((struct bt_event_class *) event_class)->frozen = true; -} - -void bt_event_class_get_ref(const struct bt_event_class *event_class) -{ - bt_object_get_ref(event_class); -} - -void bt_event_class_put_ref(const struct bt_event_class *event_class) -{ - bt_object_put_ref(event_class); -}