| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #pragma once |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <pulsar/defines.h> |
| |
| typedef struct _pulsar_message_id pulsar_message_id_t; |
| |
| /** |
| * MessageId representing the "earliest" or "oldest available" message stored in the topic |
| */ |
| PULSAR_PUBLIC const pulsar_message_id_t *pulsar_message_id_earliest(); |
| |
| /** |
| * MessageId representing the "latest" or "last published" message in the topic |
| */ |
| PULSAR_PUBLIC const pulsar_message_id_t *pulsar_message_id_latest(); |
| |
| /** |
| * Serialize the message id into a binary string for storing |
| */ |
| PULSAR_PUBLIC void *pulsar_message_id_serialize(pulsar_message_id_t *messageId, int *len); |
| |
| /** |
| * Deserialize a message id from a binary string |
| */ |
| PULSAR_PUBLIC pulsar_message_id_t *pulsar_message_id_deserialize(const void *buffer, uint32_t len); |
| |
| PULSAR_PUBLIC char *pulsar_message_id_str(pulsar_message_id_t *messageId); |
| |
| PULSAR_PUBLIC void pulsar_message_id_free(pulsar_message_id_t *messageId); |
| |
| #ifdef __cplusplus |
| } |
| #endif |