| /** |
| * 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. |
| */ |
| |
| #include <stdio.h> |
| #include <pulsar/c/client.h> |
| |
| static void listener_callback(pulsar_consumer_t* consumer, pulsar_message_t* message, void* ctx) { |
| printf("Received message with payload: '%.*s'\n", pulsar_message_get_length(message), |
| pulsar_message_get_data(message)); |
| |
| pulsar_consumer_acknowledge(consumer, message); |
| pulsar_message_free(message); |
| } |
| |
| int main() { |
| pulsar_client_configuration_t *conf = pulsar_client_configuration_create(); |
| pulsar_client_t *client = pulsar_client_create("pulsar://localhost:6650", conf); |
| |
| pulsar_consumer_configuration_t *consumer_conf = pulsar_consumer_configuration_create(); |
| pulsar_consumer_configuration_set_consumer_type(consumer_conf, pulsar_ConsumerShared); |
| pulsar_consumer_configuration_set_message_listener(consumer_conf, listener_callback, NULL); |
| |
| pulsar_consumer_t *consumer; |
| pulsar_result res = pulsar_client_subscribe(client, "my-topic", "my-subscrition", consumer_conf, &consumer); |
| if (res != pulsar_result_Ok) { |
| printf("Failed to create subscribe to topic: %s\n", pulsar_result_str(res)); |
| return 1; |
| } |
| |
| // Block main thread |
| fgetc(stdin); |
| |
| printf("\nClosing consumer\n"); |
| |
| // Cleanup |
| pulsar_consumer_close(consumer); |
| pulsar_consumer_free(consumer); |
| pulsar_consumer_configuration_free(consumer_conf); |
| |
| pulsar_client_close(client); |
| pulsar_client_free(client); |
| pulsar_client_configuration_free(conf); |
| } |