CartoDB-SQL-API/app/services/stream_copy_metrics.js
2018-06-11 12:55:30 +02:00

80 lines
1.8 KiB
JavaScript

const { getFormatFromCopyQuery } = require('../utils/query_info');
module.exports = class StreamCopyMetrics {
constructor(logger, type, sql, user, isGzip = null) {
this.logger = logger;
this.type = type;
this.format = getFormatFromCopyQuery(sql);
this.isGzip = isGzip;
this.username = user;
this.size = 0;
this.gzipSize = 0;
this.rows = 0;
this.startTime = new Date();
this.endTime = null;
this.time = null;
this.error = null;
this.ended = false;
}
addSize(size) {
this.size += size;
}
addGzipSize(size) {
this.gzipSize += size;
}
end(rows = null, error = null) {
if (this.ended) {
return;
}
this.ended = true;
if (Number.isInteger(rows)) {
this.rows = rows;
}
if (error instanceof Error) {
this.error = error;
}
this.endTime = new Date();
this.time = (this.endTime.getTime() - this.startTime.getTime()) / 1000;
this._log(
this.startTime.toISOString(),
this.isGzip && this.gzipSize ? this.gzipSize : null,
this.error ? this.error.message : null
);
}
_log(timestamp, gzipSize = null, errorMessage = null) {
let logData = {
type: this.type,
format: this.format,
size: this.size,
rows: this.rows,
gzip: this.isGzip,
username: this.username,
time: this.time,
timestamp
};
if (gzipSize) {
logData.gzipSize = gzipSize;
}
if (errorMessage) {
logData.error = errorMessage;
}
this.logger.info(logData);
}
};