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// Copyright Epic Games, Inc. All Rights Reserved.
"use strict";
import { WidgetHost } from "../util/widgets.js"
import { Fetcher } from "../util/fetcher.js"
////////////////////////////////////////////////////////////////////////////////
export class PageBase extends WidgetHost
{
constructor(parent, params)
{
super(parent)
this._params = params;
}
set_title(name)
{
var value = document.title;
if (name.length && value.length)
name = value + " - " + name;
document.title = name;
}
get_param(name, fallback=undefined)
{
var ret = this._params.get(name);
if (ret != undefined)
return ret;
if (fallback != undefined)
this.set_param(name, fallback);
return fallback;
}
set_param(name, value, update=true)
{
this._params.set(name, value);
if (!update)
return value;
const url = new URL(window.location);
for (var [key, xfer] of this._params)
url.searchParams.set(key, xfer);
history.replaceState(null, "", url);
return value;
}
reload()
{
window.location.reload();
}
}
////////////////////////////////////////////////////////////////////////////////
export class ZenPage extends PageBase
{
constructor(parent, ...args)
{
super(parent, ...args);
super.set_title("zen");
this.add_branding(parent);
this.add_service_nav(parent);
this.generate_crumbs();
}
add_branding(parent)
{
var banner = parent.tag("zen-banner");
banner.attr("subtitle", "Server");
banner.attr("tagline", "Local Storage Service");
banner.attr("logo-src", "favicon.ico");
banner.attr("load", "0");
this._banner = banner;
this._poll_status();
}
static _mode_taglines = {
"Server": "Local Storage Service",
"Proxy": "Proxy Service",
"Compute": "Compute Service",
"Hub": "Hub Service",
};
async _poll_status()
{
try
{
var cbo = await new Fetcher().resource("/status/status").cbo();
if (cbo)
{
var obj = cbo.as_object();
var mode = obj.find("serverMode");
if (mode)
{
var modeStr = mode.as_value();
this._banner.attr("subtitle", modeStr);
var tagline = ZenPage._mode_taglines[modeStr] || modeStr;
var hostname = obj.find("hostname");
if (hostname)
tagline += " \u2014 " + hostname.as_value();
this._banner.attr("tagline", tagline);
}
var cpu = obj.find("cpuUsagePercent");
if (cpu)
{
this._banner.attr("load", cpu.as_value().toFixed(1));
}
}
}
catch (e) { console.warn("status poll:", e); }
setTimeout(() => this._poll_status(), 2000);
}
add_service_nav(parent)
{
const nav = parent.tag().id("service_nav");
// Map service base URIs to dashboard links, this table is also used to detemine
// which links to show based on the services that are currently registered.
const service_dashboards = [
{ base_uri: "/sessions/", label: "Sessions", href: "/dashboard/?page=sessions" },
{ base_uri: "/z$/", label: "Cache", href: "/dashboard/?page=cache" },
{ base_uri: "/prj/", label: "Projects", href: "/dashboard/?page=projects" },
{ base_uri: "/compute/", label: "Compute", href: "/dashboard/?page=compute" },
{ base_uri: "/orch/", label: "Orchestrator", href: "/dashboard/?page=orchestrator" },
{ base_uri: "/hub/", label: "Hub", href: "/dashboard/?page=hub" },
{ base_uri: "/proxy/", label: "Proxy", href: "/dashboard/?page=proxy" },
];
nav.tag("a").text("Home").attr("href", "/dashboard/");
this._info_link = nav.tag("a").text("Info").attr("href", "/dashboard/?page=info");
new Fetcher().resource("/api/").json().then((data) => {
const services = data.services || [];
const uris = new Set(services.map(s => s.base_uri));
const links = service_dashboards.filter(d => uris.has(d.base_uri));
// Insert service links before the Info link
const info_elem = this._info_link.inner();
for (const link of links)
{
const a = document.createElement("a");
a.textContent = link.label;
a.href = link.href;
info_elem.parentNode.insertBefore(a, info_elem);
}
}).catch(() => {});
}
set_title(...args)
{
super.set_title(...args);
}
generate_crumbs()
{
var auto_name = this.get_param("page") || "start";
if (auto_name == "start")
return;
const crumbs = this.tag().id("crumbs");
const new_crumb = function(name, search=undefined) {
crumbs.tag();
var crumb = crumbs.tag().text(name);
if (search != undefined)
crumb.on_click((x) => window.location.search = x, search);
};
new_crumb("home", "");
var project = this.get_param("project");
if (project != undefined)
{
auto_name = project;
var oplog = this.get_param("oplog");
if (oplog != undefined)
{
new_crumb(auto_name, `?page=project&project=${project}`);
auto_name = oplog;
var opkey = this.get_param("opkey")
if (opkey != undefined)
{
new_crumb(auto_name, `?page=oplog&project=${project}&oplog=${oplog}`);
auto_name = opkey.split("/").pop().split("\\").pop();
// Check if we're viewing cook artifacts
var page = this.get_param("page");
var hash = this.get_param("hash");
if (hash != undefined && page == "cookartifacts")
{
new_crumb(auto_name, `?page=entry&project=${project}&oplog=${oplog}&opkey=${opkey}`);
auto_name = "cook artifacts";
}
}
}
}
new_crumb(auto_name);
}
}
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