/*jshint esversion: 6 */
var socket;
var assigned_server = 3001;
var distributor_server = 3010;
var publisher_channel = '';
var broadcaster_channel = '';
var remote_ip = '';
var session_info = {};
var logging_interval;
var logging_interval_time = 120000;
var socket_emits = 0;
var session_start_time;
var reconnectionDelayGrowFactor = 1.2;
var reconnection_delay = 1000;
var playing = false;
var connected_to_assigned = false;
var socket_close_timeout;
var player_disconnected_annoucement_play_delay = 1500;
var player_disconnected_annoucement_play_timeout = null;
const TOKEN_ENDPOINT = "https://www.livesquawk.com/api/get_token.php";
self.onmessage = function (msg) {
switch(msg.data.action) {
case 'Reactivate': reactivate(); break;
case 'ConnectDistributor': connect_to_distributor(msg); break;
case 'SessionStaticInfo': session_static_info(msg); break;
case 'SessionInfo': update_session_info(msg.data); break;
case 'PauseLogging': clearTimeout(logging_interval); break;
case 'RestartLogging': postMessage({action: 'RequestSessionStaticInfo' }); break;
case 'JoinPublisherChannel': join_publisher_channel(msg.data); break;
case 'JoinPlayerChannel': join_player_channel(msg.data); break;
case 'CheckChannelStatus': check_channel_status(msg.data); break;
case 'PlayerLogResponse': player_log_response(msg.data); break;
case 'CloseSocket': close_socket(); break;
case 'RequestMessageSearch': request_message_search(msg.data); break;
case 'RequestMoreMessages': request_more_messages(msg.data); break;
case 'PlayerDisconnectedAnnoucementTimeoutStart': player_disconnected_annoucement_timeout_start(); break;
case 'PlayerDisconnectedAnnoucementTimeoutClear': player_disconnected_annoucement_timeout_clear(); break;
case 'GetConnectionState': checkSocketConnectionState(); break;
}
};
function player_disconnected_annoucement_timeout_clear() {
clearTimeout(player_disconnected_annoucement_play_timeout);
player_disconnected_annoucement_play_timeout = null;
}
function player_disconnected_annoucement_timeout_start() {
player_disconnected_annoucement_play_timeout = setTimeout(function() { send_play_disconnect_annoucement(); }, player_disconnected_annoucement_play_delay );
}
function send_play_disconnect_annoucement() {
postMessage({action: "PlayDisconnectAnnoucement"});
}
function reactivate() {
playing = false;
connect_to_assigned_server();
}
function player_log_response(data) {
var data_array = {};
data_array.type = 'PlayerLogResponse';
data_array.respond_to_socket_final = data.respond_to_socket_final;
data_array.respond_to_socket = data.respond_to_socket;
data_array.player_socket_id = data.player_socket_id;
data_array.logs = data.logs;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function request_message_search(data) {
var data_array = {};
data_array.type = 'request_message_search';
data_array.publisher_channel = data.publisher_channel;
data_array.search_term = data.search_term;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function request_more_messages(data) {
var data_array = {};
data_array.type = 'request_more_messages';
data_array.publisher_channel = data.publisher_channel;
data_array.last_record_id = data.last_record_id;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function check_channel_status(data) {
var data_array = {};
data_array.type = 'check_channel_status';
data_array.app_name = data.app_name;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1 && connected_to_assigned) { socket.send(msg_string); }
else { setTimeout(function() { check_channel_status(data); },500); }
}
function check_channel_status_response(data) {
postMessage({ action: 'CheckChannelStatusReponse', stream_status: data.stream_status.status, onair: data.stream_status.onair, connected: data.stream_status.connected });
}
async function join_publisher_channel(data) {
if (typeof data.jwt_token === 'string' && data.jwt_token !== '') {
if (!socket || socket.readyState !== WebSocket.OPEN) {
console.warn("[Page worker] JWT join skipped: socket not open");
return;
}
socket.send(JSON.stringify({
type: "join_publisher_channel",
jwt_token: data.jwt_token,
publisher_channel: data.publisher_channel,
username: data.username,
subscriber_group: data.subscriber_group,
display_name: data.display_name,
single_sign_on: data.single_sign_on,
remote_ip: data.remote_ip,
http_referrer: data.http_referrer,
current_page: data.current_page,
php_session_id: data.php_session_id,
from_react: data.from_react,
...(typeof data.api_key === "string" && data.api_key.trim() !== "" ? { api_key: data.api_key } : {}),
}));
console.log("[Page worker] Sent supplied JWT join");
postMessage({ action: 'PublisherChannelJoined' });
return;
}
const joinSocket = socket; if (!joinSocket || joinSocket.readyState !== WebSocket.OPEN) { return; }
const apiKey = typeof data.api_key === "string" ? data.api_key.trim() : "";
const partnerName = partnerFromCurrentPage(data.current_page);
let tokenBody;
if (apiKey !== "") { tokenBody = { api_key: apiKey }; }
else if (partnerName) { tokenBody = { partner_name: partnerName }; }
else { tokenBody = { username: data.username || "", publisher_channel: data.publisher_channel || "", }; }
let jwtToken = null;
try {
const requestStartedAt = Date.now();
const response = await fetch(TOKEN_ENDPOINT, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify(tokenBody),
credentials: "same-origin",
cache: "no-store",
});
if (!response.ok) {
throw new Error(`token endpoint returned ${response.status}`);
}
const tokenData = await response.json();
if ( !tokenData || typeof tokenData.token !== "string" || tokenData.token === "" ) {
throw new Error("token endpoint returned no token");
}
const expiresIn = Number(tokenData.expires_in);
if (!Number.isFinite(expiresIn) || expiresIn <= 0) {
throw new Error("token endpoint returned an invalid lifetime");
}
const expiresAt = requestStartedAt + (expiresIn * 1000);
if (expiresAt <= Date.now() + 30000) {
throw new Error("token response has insufficient remaining lifetime");
}
jwtToken = tokenData.token;
}
catch (error) {
console.warn("[Page worker] Token request failed", error);
// API-key requests must not silently bypass token authentication.
if (apiKey !== "") { postMessage({ action: "auth_failed" }); return; }
}
// A reconnect during the fetch makes this join attempt obsolete.
if ( socket !== joinSocket || joinSocket.readyState !== WebSocket.OPEN ) { return; }
const payload = {
type: "join_publisher_channel",
publisher_channel: data.publisher_channel,
username: data.username,
subscriber_group: data.subscriber_group,
display_name: data.display_name,
single_sign_on: data.single_sign_on,
remote_ip: data.remote_ip,
http_referrer: data.http_referrer,
current_page: data.current_page,
php_session_id: data.php_session_id,
from_react: data.from_react,
};
if (apiKey !== "") { payload.api_key = apiKey; }
if (jwtToken) { payload.jwt_token = jwtToken; }
console.log( jwtToken ? "[Page worker] Sending fetched JWT with legacy details" : "[Page worker] Sending legacy join without JWT" );
joinSocket.send(JSON.stringify(payload));
postMessage({ action: "PublisherChannelJoined" });
}
function partnerFromCurrentPage(current_page) {
try {
if (!current_page) return '';
const fullUrl = current_page.startsWith('http') ? current_page : `https://${current_page}`;
return new URL(fullUrl).searchParams.get('partner_name') || '';
} catch (e) { return ''; }
}
function session_static_info(msg) {
set_static_session_info(msg.data);
start_log();
}
function connect_to_distributor(msg) {
publisher_channel = msg.data.publisher_channel;
remote_ip = msg.data.remote_ip;
socket = new WebSocket("wss://ws.livesquawk.com/ws"+distributor_server);
socket.onopen = function(event) { request_server_assignment(); };
socket.onmessage = function(event) {
var msg_string = event.data.toString();
var data = JSON.parse(msg_string);
switch(data.type) {
case 'server_assignment_response': server_assignment_response(data); break;
}
};
}
function session_info_interval() {
postMessage({action: 'RequestSessionInfo' });
logging_interval = setTimeout(session_info_interval,logging_interval_time);
}
function server_assignment_response(data) {
assigned_server = data.selected_server;
socket.close();
connect_to_assigned_server();
}
function request_server_assignment() {
var data_array = {};
data_array.type = 'request_server_assignment';
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function connect_to_assigned_server() {
socket = new WebSocket("wss://ws.livesquawk.com/ws"+assigned_server);
socket.onopen = function(event) {
postMessage({ action: 'VisibleConsole',console_string: "Connected to server "+assigned_server });
console.log("Connected to server "+assigned_server);
postMessage({ action: 'ConnectedToAssigned' });
connected_to_assigned = true;
if (playing) {
postMessage({ action: 'RejoinPlayerChannel' });
}
};
socket.onmessage = function(event) {
var msg_string = event.data.toString();
var data = JSON.parse(msg_string);
if (data.type != 'server_ping') { /* console.log(data.type); */ }
switch(data.type) {
case 'reconnect': postMessage({ action: 'VisibleConsole',console_string: "Reconnected" }); break;
case 'reload': postMessage({ action: 'Reload' }); break;
case 'start_log_response': start_log_response(data); break;
case 'application_refresh_start': application_refresh_start(data); break;
case 'application_refresh_stop': application_refresh_stop(data); break;
case 'player_log_request':
case 'check_channel_status_response': check_channel_status_response(data); break;
case 'PlayerLogRequest':
case 'new_tweet':
case 'new_latest_news':
case 'delete_report':
case 'add_report':
case 'add_ref_doc':
case 'calendar_change':
case 'calendar_insert':
case 'calendar_delete':
case 'new_note':
case 'AppStart':
case 'AppStop':
case 'BroadcasterStarted':
case 'BroadcasterStopped':
case 'added_cme_report':
case 'updated_cme_report':
case 'added_cme_commentary':
case 'updated_cme_commentary':
case 'server_assignment_response':
case 'initial_messages':
case 'message_categories':
case 'more_messages':
case 'matched_messages':
pass_straight_to_post_message(data);
break;
case 'output':
case 'server_ping':
case 'reconnect':
case 'disconnect':
break;
}
};
socket.onerror = function(event) {
postMessage({ action: 'VisibleConsole',console_string: "LS Socket Error" + event.type });
console.log(event);
postMessage({ action: 'LSSocketConnectionError' });
};
socket.onclose = function(event) {
console.log('Socket is closed. Reconnect will be attempted in 1 second.', event.reason);
socket_close_timeout = setTimeout(connect_to_assigned_server, reconnection_delay);
reconnection_delay = reconnection_delay*reconnectionDelayGrowFactor;
connected_to_assigned = false;
};
}
function checkSocketConnectionState() {
postMessage({ action: 'SocketConnectionState', connected: Boolean(socket && socket.readyState === WebSocket.OPEN && connected_to_assigned ), });
}
function close_socket() {
clearTimeout(socket_close_timeout);
socket_close_timeout = null;
socket.onclose = function(event) {};
socket.onmessage = function(event) {};
socket.onerror = function(event) {};
socket.close(1000);
console.log('Socket Closed');
}
function pass_straight_to_post_message(data) {
data.action = data.type;
postMessage(data);
}
function join_player_channel(data) {
var data_array = {};
data_array.type = 'join_player_channel';
data_array.player_channel = data.player_channel;
data_array.remote_ip = data.remote_ip;
data_array.username = data.username;
data_array.app_name = data.app_name;
data_array.onair_status = data.onair_status;
data_array.http_referrer = data.http_referrer;
data_array.current_page = data.current_page;
data_array.php_session_id = data.php_session_id;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
postMessage({action: 'PlayerChannelJoined' });
playing = true;
}
function start_log_response(data) {
session_info.session_id = data.log_record_id;
session_info_interval();
}
function application_refresh_start(data) {
if (data.app_name == session_info.application_name) { postMessage({action: 'ApplicationRefreshStart' }); }
}
function application_refresh_stop(data) {
if (data.app_name == session_info.application_name) { postMessage({action: 'ApplicationRefreshStop' }); }
}
function set_static_session_info(data) {
session_info.browser_codename = data.browser_codename;
session_info.browser_name = data.browser_name;
session_info.user_agent = data.user_agent;
session_info.browser_version = data.browser_version;
session_info.cookies_enabled = data.cookies_enabled;
session_info.platform = data.platform;
session_info.player_version = data.player_version;
session_info.stream = data.stream;
session_info.connection_protocol = data.protocol;
session_info.delay_target = data.delay_target;
session_info.session_email = data.session_email;
session_info.remote_ip = data.remote_ip;
session_info.php_session_id = data.php_session_id;
session_info.application_name = data.application_name;
session_info.http_referrer = data.http_referrer;
}
function start_log() {
var session_start_date = new Date();
session_start_time = session_start_date.getTime();
var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
var session_start_date_string = session_start_date.getDate() + " " + months[session_start_date.getMonth()] + " " + session_start_date.getFullYear();
var data_array = {};
data_array.type = 'webrtc_start_log';
data_array.remote_ip = session_info.remote_ip;
data_array.username = session_info.session_email;
data_array.php_session_id = session_info.php_session_id;
data_array.webrtc_protocol = '';
data_array.session_start_time = (session_start_time/1000).toFixed(0);
data_array.stream_name = session_info.stream;
data_array.session_start_date = session_start_date_string;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function update_session_info(data) {
var data_array = {};
var msg_string = '';
var current_date = new Date();
var current_time = current_date.getTime();
session_info.protocol = data.protocol;
session_info.curr_delay = (data.effective_latency / 1000).toFixed(2);
session_info.session_length = current_time - session_start_time;
session_info.ping_time = data.ping_time;
session_info.jitter = data.jitter;
session_info.packet_loss = data.packet_loss;
session_info.effective_latency = data.effective_latency;
session_info.mean_opinion_score = data.mean_opinion_score;
session_info.restarts = data.restarts;
if (socket_emits == 0) {
data_array = {};
data_array.type = 'webrtc_log_data_full';
data_array.connection_protocol = session_info.protocol;
data_array.threshold = 0;
data_array.curr_delay = session_info.curr_delay;
data_array.session_length = session_info.session_length;
data_array.date = current_time;
data_array.browser_codename = session_info.browser_codename;
data_array.browser_name = session_info.browser_name;
data_array.user_agent = session_info.user_agent;
data_array.browser_version = session_info.browser_version;
data_array.cookies_enabled = session_info.cookies_enabled;
data_array.platform = session_info.platform;
data_array.player_version = session_info.player_version;
data_array.stream = session_info.stream;
data_array.restarts = session_info.restarts;
data_array.delay_target = 0;
data_array.op_sys = '';
data_array.flash_version = '';
data_array.remote_ip = session_info.remote_ip;
data_array.http_referrer = session_info.http_referrer;
data_array.php_session_id = session_info.php_session_id;
data_array.user_email = session_info.session_email;
data_array.webrtc_protocol = session_info.protocol;
data_array.ping_time = session_info.ping_time;
data_array.jitter = session_info.jitter;
data_array.packet_loss = session_info.packet_loss;
data_array.effective_latency = session_info.effective_latency;
data_array.mean_opinion_score = session_info.mean_opinion_score;
data_array.session_id = session_info.session_id;
msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
else {
data_array = {};
data_array.type = 'webrtc_log_data';
data_array.session_id = session_info.session_id;
data_array.php_session_id = session_info.php_session_id;
data_array.connection_protocol = session_info.protocol;
data_array.restarts = session_info.restarts;
data_array.threshold = 0;
data_array.curr_delay = session_info.curr_delay;
data_array.session_length = session_info.session_length;
data_array.date = current_time;
data_array.webrtc_protocol = session_info.protocol;
data_array.ping_time = session_info.ping_time;
data_array.jitter = session_info.jitter;
data_array.packet_loss = session_info.packet_loss;
data_array.effective_latency = session_info.effective_latency;
data_array.mean_opinion_score = session_info.mean_opinion_score;
data_array.stream = session_info.stream;
msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
socket_emits++;
if (socket_emits == 100) { socket_emits = 0; }
}
By Harry Daniels
LiveSquawk News
@HarryDaniels71
08:50 GMT | 28 October 2026
LONDON – As is customary for LiveSquawk's Budget previews, our focus will be on government borrowing requirements and the Debt Management Office's (DMO) gilt issuance remit.
Wednesday's Autumn Budget is expected to be a relatively low-key affair, with many of the key measures already leaked to the media.
For financial markets, however, the main event will be Chancellor of the Exchequer John Healey's borrowing forecasts and the implications for gilt issuance.
Economists estimate the 2026–27 gilt remit will be in the region of GBP 248–252bln, with Morgan Stanley forecasting around GBP 249bln. However, analysts suggest the bigger tests for the gilt market will be the composition of issuance, particularly long-dated supply, borrowing requirements for the next financial year and the credibility of government spending restraint.
One phrase that has become synonymous with the UK Budget is 'fiscal headroom' – the amount of financial flexibility available to the Chancellor before breaching the government's fiscal rules.
In practical terms, it determines how much room the Treasury has to increase spending, cut taxes or absorb unexpected economic shocks without undermining its fiscal commitments.
Under Healey's predecessor, Rachel Reeves, the government's headroom against its main fiscal rule stood at almost GBP 24bln. However, subsequent estimates suggest that margin has narrowed to around GBP 15bln, reflecting mounting pressure on the public finances.
The Office for Budget Responsibility's (OBR) March forecasts indicated headroom of GBP 23.6bln against the government's stability rule, which requires day-to-day spending to be covered by revenues in 2029–30.
Meanwhile, the margin against the investment rule, which requires public sector net financial liabilities to fall as a share of GDP, stood at GBP 27.1bln.
Importantly, these were forecast margins rather than a fresh formal assessment of compliance with the government's fiscal rules, which will be undertaken alongside the Budget.
For gilt investors, diminishing fiscal headroom increases the risk of additional borrowing, tax rises or spending cuts. Any suggestion that the government is struggling to maintain fiscal discipline could push gilt yields higher, particularly at the long end of the curve.
Sterling could also come under pressure should investors question the credibility of the government's fiscal plans, while higher taxes or spending restraint could weigh on economic growth.
The Chancellor therefore faces a delicate balancing act: demonstrating fiscal credibility without undermining an already fragile economic outlook.
Ultimately, markets will be looking beyond the headline Budget measures to assess whether Healey can maintain sufficient fiscal headroom, contain borrowing requirements and reassure gilt investors that the government's finances remain on a sustainable footing.