Express_Crud_Example/node_modules/mongodb/lib/cmap/metrics.js
2022-01-28 22:33:42 +01:00

62 lines
1.9 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConnectionPoolMetrics = void 0;
/** @internal */
class ConnectionPoolMetrics {
constructor() {
this.txnConnections = 0;
this.cursorConnections = 0;
this.otherConnections = 0;
}
/**
* Mark a connection as pinned for a specific operation.
*/
markPinned(pinType) {
if (pinType === ConnectionPoolMetrics.TXN) {
this.txnConnections += 1;
}
else if (pinType === ConnectionPoolMetrics.CURSOR) {
this.cursorConnections += 1;
}
else {
this.otherConnections += 1;
}
}
/**
* Unmark a connection as pinned for an operation.
*/
markUnpinned(pinType) {
if (pinType === ConnectionPoolMetrics.TXN) {
this.txnConnections -= 1;
}
else if (pinType === ConnectionPoolMetrics.CURSOR) {
this.cursorConnections -= 1;
}
else {
this.otherConnections -= 1;
}
}
/**
* Return information about the cmap metrics as a string.
*/
info(maxPoolSize) {
return ('Timed out while checking out a connection from connection pool: ' +
`maxPoolSize: ${maxPoolSize}, ` +
`connections in use by cursors: ${this.cursorConnections}, ` +
`connections in use by transactions: ${this.txnConnections}, ` +
`connections in use by other operations: ${this.otherConnections}`);
}
/**
* Reset the metrics to the initial values.
*/
reset() {
this.txnConnections = 0;
this.cursorConnections = 0;
this.otherConnections = 0;
}
}
exports.ConnectionPoolMetrics = ConnectionPoolMetrics;
ConnectionPoolMetrics.TXN = 'txn';
ConnectionPoolMetrics.CURSOR = 'cursor';
ConnectionPoolMetrics.OTHER = 'other';
//# sourceMappingURL=metrics.js.map