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add optional ws ping (#370)

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This commit is contained in:
Dave Horton
2023-06-05 11:00:14 -04:00
committed by GitHub
parent a1c38f8a2e
commit b978b3bc2f
2 changed files with 18 additions and 1 deletions
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3
lib/config.js
View File

@@ -51,7 +51,7 @@ const JAMBONES_SBCS = process.env.JAMBONES_SBCS;
/* websockets */
const JAMBONES_WS_HANDSHAKE_TIMEOUT_MS = parseInt(process.env.JAMBONES_WS_HANDSHAKE_TIMEOUT_MS, 10) || 1500;
const JAMBONES_WS_MAX_PAYLOAD = parseInt(process.env.JAMBONES_WS_MAX_PAYLOAD, 10) || 24 * 1024;
const JAMBONES_WS_PING_INTERVAL_MS = parseInt(process.env.JAMBONES_WS_PING_INTERVAL_MS, 10) || 0;
const MAX_RECONNECTS = 5;
const RESPONSE_TIMEOUT_MS = parseInt(process.env.JAMBONES_WS_API_MSG_RESPONSE_TIMEOUT, 10) || 5000;
@@ -186,6 +186,7 @@ module.exports = {
RESPONSE_TIMEOUT_MS,
JAMBONES_WS_HANDSHAKE_TIMEOUT_MS,
JAMBONES_WS_MAX_PAYLOAD,
JAMBONES_WS_PING_INTERVAL_MS,
MAX_RECONNECTS,
GCP_JSON_KEY,
MICROSOFT_REGION,

16
lib/utils/ws-requestor.js
View File

@@ -6,6 +6,7 @@ const Websocket = require('ws');
const snakeCaseKeys = require('./snakecase-keys');
const {
RESPONSE_TIMEOUT_MS,
JAMBONES_WS_PING_INTERVAL_MS,
MAX_RECONNECTS,
JAMBONES_WS_HANDSHAKE_TIMEOUT_MS,
JAMBONES_WS_MAX_PAYLOAD
@@ -178,9 +179,17 @@ class WsRequestor extends BaseRequestor {
});
}
_stopPingTimer() {
if (this._pingTimer) {
clearInterval(this._pingTimer);
this._pingTimer = null;
}
}
close() {
this.closedGracefully = true;
this.logger.debug('WsRequestor:close closing socket');
this._stopPingTimer();
try {
if (this.ws) {
this.ws.close(1000);
@@ -195,6 +204,7 @@ class WsRequestor extends BaseRequestor {
_connect() {
assert(!this.ws);
this._stopPingTimer();
return new Promise((resolve, reject) => {
const handshakeTimeout = JAMBONES_WS_HANDSHAKE_TIMEOUT_MS ?
parseInt(JAMBONES_WS_HANDSHAKE_TIMEOUT_MS) :
@@ -255,10 +265,15 @@ class WsRequestor extends BaseRequestor {
this.connectInProgress = false;
this.connections++;
this.emit('ready', ws);
if (JAMBONES_WS_PING_INTERVAL_MS > 15000) {
this._pingTimer = setInterval(() => this.ws?.ping(), JAMBONES_WS_PING_INTERVAL_MS);
}
}
_onClose(code) {
this.logger.info(`WsRequestor(${this.id}) - closed from far end ${code}`);
this._stopPingTimer();
if (this.connections > 0 && code !== 1000) {
this.logger.info({url: this.url}, 'WsRequestor - socket closed unexpectedly from remote side');
this.emit('socket-closed');
@@ -283,6 +298,7 @@ class WsRequestor extends BaseRequestor {
_onSocketClosed() {
this.ws = null;
this.emit('connection-dropped');
this._stopPingTimer();
if (this.connections > 0 && this.connections < MAX_RECONNECTS && !this.closedGracefully) {
if (!this._initMsgId) this._clearPendingMessages();
this.logger.debug(`WsRequestor:_onSocketClosed waiting ${this.backoffMs} to reconnect`);