| /** |
| * 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 |
| |
| #include <pulsar/defines.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef struct _pulsar_reader_configuration pulsar_reader_configuration_t; |
| |
| typedef void (*pulsar_reader_listener)(pulsar_reader_t *reader, pulsar_message_t *msg, void *ctx); |
| |
| PULSAR_PUBLIC pulsar_reader_configuration_t *pulsar_reader_configuration_create(); |
| |
| PULSAR_PUBLIC void pulsar_reader_configuration_free(pulsar_reader_configuration_t *configuration); |
| |
| /** |
| * A message listener enables your application to configure how to process |
| * messages. A listener will be called in order for every message received. |
| */ |
| PULSAR_PUBLIC void pulsar_reader_configuration_set_reader_listener( |
| pulsar_reader_configuration_t *configuration, pulsar_reader_listener listener, void *ctx); |
| |
| PULSAR_PUBLIC int pulsar_reader_configuration_has_reader_listener( |
| pulsar_reader_configuration_t *configuration); |
| |
| /** |
| * Sets the size of the reader receive queue. |
| * |
| * The consumer receive queue controls how many messages can be accumulated by the Consumer before the |
| * application calls receive(). Using a higher value could potentially increase the consumer throughput |
| * at the expense of bigger memory utilization. |
| * |
| * Setting the consumer queue size as zero decreases the throughput of the consumer, by disabling |
| * pre-fetching of |
| * messages. This approach improves the message distribution on shared subscription, by pushing messages |
| * only to |
| * the consumers that are ready to process them. Neither receive with timeout nor Partitioned Topics can |
| * be |
| * used if the consumer queue size is zero. The receive() function call should not be interrupted when |
| * the consumer queue size is zero. |
| * |
| * Default value is 1000 messages and should be good for most use cases. |
| * |
| * @param size |
| * the new receiver queue size value |
| */ |
| PULSAR_PUBLIC void pulsar_reader_configuration_set_receiver_queue_size( |
| pulsar_reader_configuration_t *configuration, int size); |
| |
| PULSAR_PUBLIC int pulsar_reader_configuration_get_receiver_queue_size( |
| pulsar_reader_configuration_t *configuration); |
| |
| PULSAR_PUBLIC void pulsar_reader_configuration_set_reader_name(pulsar_reader_configuration_t *configuration, |
| const char *readerName); |
| |
| PULSAR_PUBLIC const char *pulsar_reader_configuration_get_reader_name( |
| pulsar_reader_configuration_t *configuration); |
| |
| PULSAR_PUBLIC void pulsar_reader_configuration_set_subscription_role_prefix( |
| pulsar_reader_configuration_t *configuration, const char *subscriptionRolePrefix); |
| |
| PULSAR_PUBLIC const char *pulsar_reader_configuration_get_subscription_role_prefix( |
| pulsar_reader_configuration_t *configuration); |
| |
| PULSAR_PUBLIC void pulsar_reader_configuration_set_read_compacted( |
| pulsar_reader_configuration_t *configuration, int readCompacted); |
| |
| PULSAR_PUBLIC int pulsar_reader_configuration_is_read_compacted(pulsar_reader_configuration_t *configuration); |
| |
| #ifdef __cplusplus |
| } |
| #endif |