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fix: use heartbeat to keep ws connection alive (#12079)

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Justin Starry 2020-09-07 10:24:16 +08:00 committed by GitHub
parent 27752c4e4d
commit d4cbd0d171
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1 changed files with 8 additions and 4 deletions
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12
web3.js/src/connection.js
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@ -1365,7 +1365,7 @@ export type ConfirmedSignatureInfo = {
export class Connection {
_rpcRequest: RpcRequest;
_rpcWebSocket: RpcWebSocketClient;
_rpcWebSocketConnected: boolean = false;
_rpcWebSocketHeartbeat: IntervalID | null = null;
_commitment: ?Commitment;
_blockhashInfo: {
@ -2669,7 +2669,10 @@ export class Connection {
* @private
*/
_wsOnOpen() {
this._rpcWebSocketConnected = true;
this._rpcWebSocketHeartbeat = setInterval(() => {
// Ping server every 5s to prevent idle timeouts
this._rpcWebSocket.notify('ping').catch(() => {});
}, 5000);
this._updateSubscriptions();
}
@ -2684,7 +2687,8 @@ export class Connection {
* @private
*/
_wsOnClose() {
this._rpcWebSocketConnected = false;
clearInterval(this._rpcWebSocketHeartbeat);
this._rpcWebSocketHeartbeat = null;
this._resetSubscriptions();
}
@ -2777,7 +2781,7 @@ export class Connection {
return;
}
if (!this._rpcWebSocketConnected) {
if (this._rpcWebSocketHeartbeat === null) {
this._resetSubscriptions();
this._rpcWebSocket.connect();
return;