122 lines
4.2 KiB
C
122 lines
4.2 KiB
C
/*
|
|
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
|
|
*
|
|
* This program is free software: you can use, redistribute, and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3
|
|
* or later ("AGPL"), as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
// TAOS standard API example. The same syntax as MySQL, but only a subset
|
|
// to compile: gcc -o sml_insert_demo sml_insert_demo.c -ltaos
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "taosws.h"
|
|
|
|
static int DemoSmlInsert() {
|
|
// ANCHOR: schemaless
|
|
int code = 0;
|
|
char *dsn = "ws://localhost:6041";
|
|
|
|
// connect
|
|
WS_TAOS *taos = ws_connect(dsn);
|
|
if (taos == NULL) {
|
|
fprintf(stderr, "Failed to connect to %s, ErrCode: 0x%x, ErrMessage: %s.\n", dsn, ws_errno(NULL), ws_errstr(NULL));
|
|
return -1;
|
|
}
|
|
|
|
// create database
|
|
WS_RES *result = ws_query(taos, "CREATE DATABASE IF NOT EXISTS power");
|
|
code = ws_errno(result);
|
|
if (code != 0) {
|
|
fprintf(stderr, "Failed to create database power, ErrCode: 0x%x, ErrMessage: %s.\n", code, ws_errstr(result));
|
|
ws_close(taos);
|
|
return -1;
|
|
}
|
|
ws_free_result(result);
|
|
|
|
// use database
|
|
result = ws_query(taos, "USE power");
|
|
code = ws_errno(result);
|
|
if (code != 0) {
|
|
fprintf(stderr, "Failed to execute use power, ErrCode: 0x%x, ErrMessage: %s\n.", code, ws_errstr(result));
|
|
ws_close(taos);
|
|
return -1;
|
|
}
|
|
ws_free_result(result);
|
|
|
|
// schemaless demo data
|
|
char *line_demo =
|
|
"meters,groupid=2,location=California.SanFrancisco current=10.3000002f64,voltage=219i32,phase=0.31f64 "
|
|
"1626006833639";
|
|
char *telnet_demo = "metric_telnet 1707095283260 4 host=host0 interface=eth0";
|
|
char *json_demo =
|
|
"{\"metric\": \"metric_json\",\"timestamp\": 1626846400,\"value\": 10.3, \"tags\": {\"groupid\": 2, "
|
|
"\"location\": \"California.SanFrancisco\", \"id\": \"d1001\"}}";
|
|
|
|
// influxdb line protocol
|
|
char *lines[] = {line_demo};
|
|
int totalLines = 0;
|
|
result = ws_schemaless_insert_raw(taos, line_demo, strlen(line_demo), &totalLines, WS_TSDB_SML_LINE_PROTOCOL,
|
|
WS_TSDB_SML_TIMESTAMP_MILLI_SECONDS);
|
|
code = ws_errno(result);
|
|
if (code != 0) {
|
|
fprintf(stderr, "Failed to insert schemaless line data, data: %s, ErrCode: 0x%x, ErrMessage: %s\n.", line_demo,
|
|
code, ws_errstr(result));
|
|
ws_close(taos);
|
|
return -1;
|
|
}
|
|
|
|
fprintf(stdout, "Insert %d rows of schemaless line data successfully.\n", totalLines);
|
|
ws_free_result(result);
|
|
|
|
// opentsdb telnet protocol
|
|
totalLines = 0;
|
|
result = ws_schemaless_insert_raw(taos, telnet_demo, strlen(telnet_demo), &totalLines, WS_TSDB_SML_TELNET_PROTOCOL,
|
|
WS_TSDB_SML_TIMESTAMP_MILLI_SECONDS);
|
|
code = ws_errno(result);
|
|
if (code != 0) {
|
|
fprintf(stderr, "Failed to insert schemaless telnet data, data: %s, ErrCode: 0x%x, ErrMessage: %s\n.", telnet_demo,
|
|
code, ws_errstr(result));
|
|
ws_close(taos);
|
|
return -1;
|
|
}
|
|
|
|
fprintf(stdout, "Insert %d rows of schemaless telnet data successfully.\n", totalLines);
|
|
ws_free_result(result);
|
|
|
|
// opentsdb json protocol
|
|
char *jsons[1] = {0};
|
|
// allocate memory for json data. can not use static memory.
|
|
totalLines = 0;
|
|
result = ws_schemaless_insert_raw(taos, json_demo, strlen(json_demo), &totalLines, WS_TSDB_SML_JSON_PROTOCOL,
|
|
WS_TSDB_SML_TIMESTAMP_MILLI_SECONDS);
|
|
code = ws_errno(result);
|
|
if (code != 0) {
|
|
free(jsons[0]);
|
|
fprintf(stderr, "Failed to insert schemaless json data, Server: %s, ErrCode: 0x%x, ErrMessage: %s\n.", json_demo,
|
|
code, ws_errstr(result));
|
|
ws_close(taos);
|
|
return -1;
|
|
}
|
|
free(jsons[0]);
|
|
|
|
fprintf(stdout, "Insert %d rows of schemaless json data successfully.\n", totalLines);
|
|
ws_free_result(result);
|
|
|
|
// close & clean
|
|
ws_close(taos);
|
|
return 0;
|
|
// ANCHOR_END: schemaless
|
|
}
|
|
|
|
int main(int argc, char *argv[]) { return DemoSmlInsert(); }
|