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added ping pong to keep ws connections alive between supernodes

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This commit is contained in:
Abhishek Sinha 2020-06-01 19:07:13 +05:30
parent 8c732e23cd
commit c0cc0e177c
1 changed files with 64 additions and 45 deletions
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index.html
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@ -2,10 +2,13 @@
<html lang="en"> <html lang="en">
<head> <head>
<meta charset="UTF-8"> <meta charset="UTF-8">
<link rel="shortcut icon" href="#">
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Local Bitcoin++</title> <title>Local Bitcoin++</title>
<style type="text/css"> <!-- <link rel="stylesheet" href="/home/aks/Documents/p2p/localbitcoinplusplus/supernode/server/web/playground/main.css"> -->
@import url("https://fonts.googleapis.com/css?family=Barlow:400,500,600,700&display=swap"); <style>
@import url("https://fonts.googleapis.com/css?family=Barlow:400,500,600,700&display=swap");
@import url("https://fonts.googleapis.com/css?family=Roboto:400,500&display=swap"); @import url("https://fonts.googleapis.com/css?family=Roboto:400,500&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Source+Code+Pro&display=swap"); @import url("https://fonts.googleapis.com/css2?family=Source+Code+Pro&display=swap");
* { * {
@ -1569,8 +1572,6 @@
} }
} }
/*# sourceMappingURL=main.css.map */ /*# sourceMappingURL=main.css.map */
</style> </style>
</head> </head>
<body data-theme='light'> <body data-theme='light'>
@ -14420,9 +14421,7 @@
extra_backup_ws[closestSu[0].data.id] = new WebSocket(url); extra_backup_ws[closestSu[0].data.id] = new WebSocket(url);
extra_backup_ws[closestSu[0].data.id].onopen = function (evt) { extra_backup_ws[closestSu[0].data.id].onopen = function (evt) {
//if (extra_backup_ws[closestSu[0].data.id].bufferedAmount == 0) {
extra_backup_ws[closestSu[0].data.id].send(finalMessage); extra_backup_ws[closestSu[0].data.id].send(finalMessage);
//}
}; };
extra_backup_ws[closestSu[0].data.id].onclose = function (evt) { extra_backup_ws[closestSu[0].data.id].onclose = function (evt) {
console.info(`Closed extra conn ${evt.srcElement.url}`); console.info(`Closed extra conn ${evt.srcElement.url}`);
@ -15876,20 +15875,6 @@
// Also refresh deposited crypto balances // Also refresh deposited crypto balances
RM_WALLET.refresh_reserved_crypto_balances( RM_WALLET.refresh_reserved_crypto_balances(
localbitcoinplusplus.wallets.my_local_flo_address); localbitcoinplusplus.wallets.my_local_flo_address);
// Inform left side Supernodes you are back
const msg_obj = {};
msg_obj.protocol = '__ALL_SUPERNODES_MSG__';
msg_obj.event = 'supernode_came_back';
msg_obj.data = { subject_flo_id: userKeysObj.address };
msg_obj.initialSender = userKeysObj.address;
msg_obj.su_pubKey = userKeysObj.pubKeyHex;
msg_obj.hash = Crypto.SHA256(msg_obj);
msg_obj.sign = RM_WALLET.sign(
msg_obj.hash,
localbitcoinplusplus.wallets.MY_SUPERNODE_PRIVATE_KEY
);
reactor.dispatchEvent("informLeftSuperNode", msg_obj,
n = localbitcoinplusplus.master_configurations.MaxBackups);
} }
} catch (error) { } catch (error) {
throw new Error(error); throw new Error(error);
@ -16109,12 +16094,9 @@
tempWS[sn] = new WebSocket(url); tempWS[sn] = new WebSocket(url);
tempWS[sn].onopen = async function (evt) { tempWS[sn].onopen = async function (evt) {
//await localbitcoinplusplus.actions.delay(5000);
//if (tempWS[sn].bufferedAmount == 0) {
tempWS[sn].send(JSON.stringify(msg_obj)); tempWS[sn].send(JSON.stringify(msg_obj));
await localbitcoinplusplus.actions.delay(5000); await localbitcoinplusplus.actions.delay(5000);
tempWS[sn].close(); tempWS[sn].close();
//}
}; };
tempWS[sn].onclose = function (evt) { tempWS[sn].onclose = function (evt) {
console.info(`Closed ${evt.srcElement.url}`); console.info(`Closed ${evt.srcElement.url}`);
@ -16655,9 +16637,7 @@
extra_backup_ws[closestBackup] = new WebSocket(url); extra_backup_ws[closestBackup] = new WebSocket(url);
extra_backup_ws[closestBackup].onopen = function (evt) { extra_backup_ws[closestBackup].onopen = function (evt) {
//if (extra_backup_ws[closestBackup].bufferedAmount == 0) {
extra_backup_ws[closestBackup].send(finalMessage); extra_backup_ws[closestBackup].send(finalMessage);
//}
}; };
extra_backup_ws[closestBackup].onclose = function (evt) { extra_backup_ws[closestBackup].onclose = function (evt) {
console.info(`Closed extra conn ${evt.srcElement.url}`); console.info(`Closed extra conn ${evt.srcElement.url}`);
@ -16681,7 +16661,6 @@
} }
}); });
// SECTION: Misc functions // SECTION: Misc functions
function removeWhiteSpaces(text = '') { function removeWhiteSpaces(text = '') {
return text.replace(/\s/g, ''); return text.replace(/\s/g, '');
@ -16946,7 +16925,7 @@
notify('Please provide your FLO private key to Sign in.'); notify('Please provide your FLO private key to Sign in.');
showPopup('sign_in_popup', 'no'); showPopup('sign_in_popup', 'no');
async function app_login() { async function app_login(show_pk=true) {
try { try {
const RM_WALLET = new localbitcoinplusplus.wallets(); const RM_WALLET = new localbitcoinplusplus.wallets();
let pk_manual = document.getElementById('get_priv_key_field').value; let pk_manual = document.getElementById('get_priv_key_field').value;
@ -16960,18 +16939,20 @@
return reject(false); return reject(false);
} }
} else { } else {
notify(`This is your LOGIN PRIVATE KEY: if(show_pk===true) {
notify(`This is your LOGIN PRIVATE KEY:
<span class="breakable">${gen_new_keys.privateKeyWIF}</span> <span class="breakable">${gen_new_keys.privateKeyWIF}</span>
Please copy & save it securely somewhere. Please copy & save it securely somewhere.
You can use it to login or recover your account. You can use it to login or recover your account.
DO NOT SHARE OR LOSE THIS PRIVATE KEY. DO NOT SHARE OR LOSE THIS PRIVATE KEY.
Else you can lose your deposited assets like Bitcoins or Cash forever. Else you can lose your deposited assets like Bitcoins or Cash forever.
`, '', true, true, true); `, '', true, true, true);
}
} }
Object.defineProperty( Object.defineProperty(
@ -17018,10 +16999,14 @@
} }
const signInBtn = document.getElementById('signInBtn'); const signInBtn = document.getElementById('signInBtn');
signInBtn.onclick=app_login; signInBtn.addEventListener('click', function() {
app_login(false);
}, false);
const newUserSignInBtn = document.getElementById('newUserSignInBtn'); const newUserSignInBtn = document.getElementById('newUserSignInBtn');
newUserSignInBtn.onclick=app_login; newUserSignInBtn.addEventListener('click', function() {
app_login(true);
}, false);
}); });
@ -24103,13 +24088,29 @@
) { ) {
this.ws_url = ws_url; this.ws_url = ws_url;
this.ws_connection = null; this.ws_connection = null;
this.ping_interval;
this.ping_timeout;
}); });
backupSupernodesWebSocketObject.prototype = { backupSupernodesWebSocketObject.prototype = {
connectWS() { connectWS() {
this.ws_connection = new WebSocket(this.ws_url); this.ws_connection = new WebSocket(this.ws_url);
const switchMyWS = new backupSupernodesWebSocketObject(); const switchMyWS = new backupSupernodesWebSocketObject();
ping= ()=> {
this.ws_connection.send('__ping__');
this.ping_timeout = setTimeout(function () {
console.log('----timout----', this.ws_connection);
this.ws_connection.close();
reactor.dispatchEvent("resolve_backup_ws_connections");
}.bind(this), 125000);
},
pong=()=> {
clearTimeout(this.ping_timeout);
console.log('recvd pong', this.ws_connection);
},
this.ws_connection.onopen = async function (evt) { this.ws_connection.onopen = async function (evt) {
this.ping_interval = setInterval(ping, 30000);
await reactor.dispatchEvent("backup_supernode_up", evt.srcElement.url); await reactor.dispatchEvent("backup_supernode_up", evt.srcElement.url);
await reactor.dispatchEvent("remove_extra_backup_connections"); await reactor.dispatchEvent("remove_extra_backup_connections");
@ -24120,6 +24121,7 @@
}.bind(this); }.bind(this);
this.ws_connection.onclose = function (evt) { this.ws_connection.onclose = function (evt) {
clearInterval(this.ping_interval);
reactor.dispatchEvent("backup_supernode_down", evt); reactor.dispatchEvent("backup_supernode_down", evt);
limit_function_calls(async function () { limit_function_calls(async function () {
await localbitcoinplusplus.actions.refresh_live_status_of_supernodes(true); await localbitcoinplusplus.actions.refresh_live_status_of_supernodes(true);
@ -24127,6 +24129,10 @@
}.bind(this); }.bind(this);
this.ws_connection.onmessage = function (evt) { this.ws_connection.onmessage = function (evt) {
let response = evt.data; let response = evt.data;
if (response == '__pong__') {
pong();
return;
}
console.log(`backup message: ${response}`); console.log(`backup message: ${response}`);
let is_corona_positive = quarantineCoronaElements(response); let is_corona_positive = quarantineCoronaElements(response);
if (is_corona_positive === true) throw new Error("Response failed sanitization test."); if (is_corona_positive === true) throw new Error("Response failed sanitization test.");
@ -24288,7 +24294,6 @@
return Promise.reject(ms); return Promise.reject(ms);
} }
//ideal_supernode = `ws://${nextClosestSupernodeElem[0].ip}:${nextClosestSupernodeElem[0].port}`;
ideal_supernode = `${WS}://${nextClosestSupernodeElem[0].ip}`; ideal_supernode = `${WS}://${nextClosestSupernodeElem[0].ip}`;
await startWebSocket(ideal_supernode); await startWebSocket(ideal_supernode);
@ -24334,6 +24339,7 @@
function startWebSocket(wsUri) { function startWebSocket(wsUri) {
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
websocket = new WebSocket(wsUri); websocket = new WebSocket(wsUri);
websocket.onopen = function (evt) { websocket.onopen = function (evt) {
resolve(onOpen(evt)); resolve(onOpen(evt));
}; };
@ -24361,6 +24367,9 @@
if (localbitcoinplusplus.master_configurations.supernodesPubKeys if (localbitcoinplusplus.master_configurations.supernodesPubKeys
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) { .includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
// Inform everyone you are back
await localbitcoinplusplus.actions.refresh_live_status_of_supernodes(true);
// delete buy and sell orders // delete buy and sell orders
let remove_promises = []; let remove_promises = [];
remove_promises.push(removeAllinDB('buyOrders')); remove_promises.push(removeAllinDB('buyOrders'));
@ -24391,21 +24400,27 @@
} }
function onClose(evt) { function onClose(evt) {
// Also close the backup ws conns console.warn(`[close] Connection closed, code=${evt.code} reason=${evt.reason}`);
if (localbitcoinplusplus.master_configurations.supernodesPubKeys if (localbitcoinplusplus.master_configurations.supernodesPubKeys
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) { .includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
// for (conn in localbitcoinplusplus.backupWS) { // Try to reconnect back
// localbitcoinplusplus.backupWS[conn].ws_connection.close();
// }
startWebSocket(evt.srcElement.url); startWebSocket(evt.srcElement.url);
} else { } else {
reactor.dispatchEvent("primary_supernode_down", evt); reactor.dispatchEvent("primary_supernode_down", evt);
} }
} }
function send_pong() {
websocket.send('__pong__');
}
// SECTION: PRIMARY CONNECTION MESSAGES // SECTION: PRIMARY CONNECTION MESSAGES
async function onMessage(evt) { async function onMessage(evt) {
var response = evt.data || evt; var response = evt.data || evt;
if (response === '__ping__') {
return send_pong();
}
console.log("RESPONSE: " + response); console.log("RESPONSE: " + response);
// Check if request is clean or not // Check if request is clean or not
@ -24536,6 +24551,7 @@
case "refresh_all_supernodes_status": case "refresh_all_supernodes_status":
reactor.dispatchEvent('resolve_backup_ws_connections'); reactor.dispatchEvent('resolve_backup_ws_connections');
localbitcoinplusplus.actions.refresh_live_status_of_supernodes(false);
break; break;
case "delete_this_user_data_from_backup": case "delete_this_user_data_from_backup":
@ -30181,6 +30197,8 @@
finalMessage = JSON.stringify(msgObj); finalMessage = JSON.stringify(msgObj);
} }
let setIntervalVal;
// The message is for a specific supernode only // The message is for a specific supernode only
if (user_flo_id !== "" && user_flo_id.length > 0) { if (user_flo_id !== "" && user_flo_id.length > 0) {
try { try {
@ -30193,6 +30211,7 @@
return; return;
} }
wsConn.send(finalMessage); wsConn.send(finalMessage);
} else if (user_flo_id === localbitcoinplusplus.wallets.my_local_flo_address) { } else if (user_flo_id === localbitcoinplusplus.wallets.my_local_flo_address) {
websocket.send(finalMessage); websocket.send(finalMessage);
} }