--- /dev/null
+/*
+ * Copyright 2019 EfficiOS, Inc.
+ *
+ * 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 "LIB/MESSAGE-ITERATOR-CLASS"
+#include "lib/logging.h"
+
+#include "message-iterator-class.h"
+
+#include "compat/compiler.h"
+#include "lib/assert-pre.h"
+#include "lib/func-status.h"
+
+#define BT_ASSERT_PRE_DEV_MSG_ITER_CLS_HOT(_msg_iter_cls) \
+ BT_ASSERT_PRE_DEV_HOT((_msg_iter_cls), \
+ "Message iterator class", ": %!+I", (_msg_iter_cls))
+
+BT_HIDDEN
+void _bt_message_iterator_class_freeze(
+ const struct bt_message_iterator_class *msg_iter_cls)
+{
+ BT_ASSERT(msg_iter_cls);
+ BT_LIB_LOGD("Freezing message iterator class: %!+I", msg_iter_cls);
+ ((struct bt_message_iterator_class *) msg_iter_cls)->frozen = true;
+}
+
+void bt_message_iterator_class_get_ref(
+ const bt_message_iterator_class *message_iterator_class)
+{
+ bt_object_get_ref(message_iterator_class);
+}
+
+void bt_message_iterator_class_put_ref(
+ const bt_message_iterator_class *message_iterator_class)
+{
+ bt_object_put_ref(message_iterator_class);
+}
+
+static
+void destroy_iterator_class(struct bt_object *obj)
+{
+ struct bt_message_iterator_class *class;
+
+ BT_ASSERT(obj);
+ class = container_of(obj, struct bt_message_iterator_class, base);
+
+ BT_LIB_LOGI("Destroying message iterator class: %!+I", class);
+
+ g_free(class);
+}
+
+struct bt_message_iterator_class *bt_message_iterator_class_create(
+ bt_message_iterator_class_next_method next_method)
+{
+ struct bt_message_iterator_class *message_iterator_class;
+
+ BT_ASSERT_PRE_NO_ERROR();
+ BT_ASSERT_PRE_NON_NULL(next_method, "Next method");
+ BT_LOGI("Creating message iterator class: next-method-addr=%p",
+ next_method);
+
+ message_iterator_class = g_new0(struct bt_message_iterator_class, 1);
+ if (!message_iterator_class) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Failed to allocate one message iterator class.");
+ goto end;
+ }
+
+ bt_object_init_shared(&message_iterator_class->base, destroy_iterator_class);
+
+ message_iterator_class->methods.next = next_method;
+
+end:
+ return message_iterator_class;
+}
+
+bt_message_iterator_class_set_method_status
+bt_message_iterator_class_set_initialize_method(
+ bt_message_iterator_class *message_iterator_class,
+ bt_message_iterator_class_initialize_method method)
+{
+ BT_ASSERT_PRE_NO_ERROR();
+ BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
+ BT_ASSERT_PRE_NON_NULL(method, "Method");
+ BT_ASSERT_PRE_DEV_MSG_ITER_CLS_HOT(message_iterator_class);
+ message_iterator_class->methods.initialize = method;
+ BT_LIB_LOGD("Set message iterator class's iterator initialization method"
+ ": %!+I", message_iterator_class);
+ return BT_FUNC_STATUS_OK;
+}
+
+bt_message_iterator_class_set_method_status
+bt_message_iterator_class_set_finalize_method(
+ bt_message_iterator_class *message_iterator_class,
+ bt_message_iterator_class_finalize_method method)
+{
+ BT_ASSERT_PRE_NO_ERROR();
+ BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
+ BT_ASSERT_PRE_NON_NULL(method, "Method");
+ BT_ASSERT_PRE_DEV_MSG_ITER_CLS_HOT(message_iterator_class);
+ message_iterator_class->methods.finalize = method;
+ BT_LIB_LOGD("Set message iterator class's finalization method"
+ ": %!+I", message_iterator_class);
+ return BT_FUNC_STATUS_OK;
+}
+
+bt_message_iterator_class_set_method_status
+bt_message_iterator_class_set_seek_ns_from_origin_methods(
+ bt_message_iterator_class *message_iterator_class,
+ bt_message_iterator_class_seek_ns_from_origin_method seek_method,
+ bt_message_iterator_class_can_seek_ns_from_origin_method can_seek_method)
+{
+ BT_ASSERT_PRE_NO_ERROR();
+ BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
+ BT_ASSERT_PRE_NON_NULL(seek_method, "Seek method");
+ BT_ASSERT_PRE_DEV_MSG_ITER_CLS_HOT(message_iterator_class);
+ message_iterator_class->methods.seek_ns_from_origin = seek_method;
+ message_iterator_class->methods.can_seek_ns_from_origin = can_seek_method;
+ BT_LIB_LOGD("Set message iterator class's \"seek nanoseconds from origin\" method"
+ ": %!+I", message_iterator_class);
+ return BT_FUNC_STATUS_OK;
+}
+
+bt_message_iterator_class_set_method_status
+bt_message_iterator_class_set_seek_beginning_methods(
+ bt_message_iterator_class *message_iterator_class,
+ bt_message_iterator_class_seek_beginning_method seek_method,
+ bt_message_iterator_class_can_seek_beginning_method can_seek_method)
+{
+ BT_ASSERT_PRE_NO_ERROR();
+ BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
+ BT_ASSERT_PRE_NON_NULL(seek_method, "Seek method");
+ BT_ASSERT_PRE_DEV_MSG_ITER_CLS_HOT(message_iterator_class);
+ message_iterator_class->methods.seek_beginning = seek_method;
+ message_iterator_class->methods.can_seek_beginning = can_seek_method;
+ BT_LIB_LOGD("Set message iterator class's \"seek beginning\" methods"
+ ": %!+C", message_iterator_class);
+ return BT_FUNC_STATUS_OK;
+}
projects / babeltrace.git / blobdiff