176 lines
4.5 KiB
C
176 lines
4.5 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "cJSON.h"
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#include "taos.h"
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#include "tmsg.h"
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#include "types.h"
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static TAOS_RES* tmqmessage = NULL;
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static char* topic = "topic_test";
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static int32_t vgroupId = 0;
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static int64_t offset = 0;
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void tmq_commit_cb_print(tmq_t* tmq, int32_t code, void* param) {
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printf("commit %d tmq %p param %p\n", code, tmq, param);
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}
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tmq_t* build_consumer() {
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tmq_conf_t* conf = tmq_conf_new();
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tmq_conf_set(conf, "group.id", "tg2");
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tmq_conf_set(conf, "client.id", "my app 1");
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tmq_conf_set(conf, "td.connect.user", "root");
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tmq_conf_set(conf, "td.connect.pass", "taosdata");
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tmq_conf_set(conf, "msg.with.table.name", "true");
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tmq_conf_set(conf, "enable.auto.commit", "true");
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tmq_conf_set(conf, "auto.offset.reset", "earliest");
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tmq_conf_set(conf, "msg.consume.excluded", "1");
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// tmq_conf_set(conf, "experimental.snapshot.enable", "true");
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tmq_conf_set_auto_commit_cb(conf, tmq_commit_cb_print, NULL);
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tmq_t* tmq = tmq_consumer_new(conf, NULL, 0);
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assert(tmq);
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tmq_conf_destroy(conf);
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return tmq;
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}
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tmq_list_t* build_topic_list() {
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tmq_list_t* topic_list = tmq_list_new();
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tmq_list_append(topic_list, topic);
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return topic_list;
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}
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static void callFunc(int i, tmq_t* tmq, tmq_list_t* topics) {
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printf("call %d\n", i);
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switch (i) {
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case 0:
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tmq_subscribe(tmq, topics);
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break;
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case 1:
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tmq_unsubscribe(tmq);
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break;
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case 2:{
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tmq_list_t* t = NULL;
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tmq_subscription(tmq, &t);
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tmq_list_destroy(t);
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break;
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}
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case 3:
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taos_free_result(tmqmessage);
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tmqmessage = tmq_consumer_poll(tmq, 5000);
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break;
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case 4:
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// tmq_consumer_close(tmq);
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break;
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case 5:
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tmq_commit_sync(tmq, NULL);
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break;
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case 6:
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tmq_commit_async(tmq, NULL, NULL, NULL);
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break;
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case 7:
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tmq_commit_offset_sync(tmq, topic, vgroupId, offset);
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break;
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case 8:
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tmq_commit_offset_async(tmq, topic, vgroupId, offset, NULL, NULL);
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break;
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case 9:
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tmq_get_topic_assignment(tmq, topic, NULL, NULL);
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break;
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case 10:
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tmq_free_assignment(NULL);
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break;
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case 11:
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tmq_offset_seek(tmq, topic, vgroupId, offset);
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break;
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case 12:
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tmq_position(tmq, topic, vgroupId);
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break;
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case 13:
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tmq_committed(tmq, topic, vgroupId);
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break;
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case 14:
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tmq_get_connect(tmq);
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break;
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case 15:
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tmq_get_table_name(tmqmessage);
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break;
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case 16:
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vgroupId = tmq_get_vgroup_id(tmqmessage);
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break;
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case 17:
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offset = tmq_get_vgroup_offset(tmqmessage);
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break;
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case 18:
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tmq_get_res_type(tmqmessage);
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break;
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case 19:
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tmq_get_topic_name(tmqmessage);
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break;
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case 20:
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tmq_get_db_name(tmqmessage);
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break;
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default:
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break;
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}
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}
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void basic_consume_loop(tmq_t* tmq, tmq_list_t* topics) {
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int32_t code;
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if ((code = tmq_subscribe(tmq, topics))) {
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fprintf(stderr, "%% Failed to start consuming topics: %s\n", tmq_err2str(code));
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printf("subscribe err\n");
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return;
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}
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int32_t cnt = 0;
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while (1) {
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tmqmessage = tmq_consumer_poll(tmq, 5000);
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if (tmqmessage) {
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printf("poll message\n");
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while(cnt < 100){
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uint32_t i = taosRand()%21;
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callFunc(i, tmq, topics);
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callFunc(i, tmq, topics);
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cnt++;
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}
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while(cnt < 300){
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uint32_t i = taosRand()%21;
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callFunc(i, tmq, topics);
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cnt++;
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}
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taos_free_result(tmqmessage);
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}
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break;
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}
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code = tmq_consumer_close(tmq);
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if (code)
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fprintf(stderr, "%% Failed to close consumer: %s\n", tmq_err2str(code));
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else
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fprintf(stderr, "%% Consumer closed\n");
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}
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int main(int argc, char* argv[]) {
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tmq_t* tmq = build_consumer();
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tmq_list_t* topic_list = build_topic_list();
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basic_consume_loop(tmq, topic_list);
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tmq_list_destroy(topic_list);
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} |