174 lines
43 KiB
HTML
174 lines
43 KiB
HTML
<!DOCTYPE html><html lang="en" style="font-size:16px"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Source: components/config/ServerDiscoveryTask.bs</title><!--[if lt IE 9]>
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href="module-migrations.html">migrations</a></div><div class="sidebar-section-children"><a href="module-misc.html">misc</a></div><div class="sidebar-section-children"><a href="module-quickplay.html">quickplay</a></div><div class="sidebar-section-children"><a href="module-schedule.html">schedule</a></div><div class="sidebar-section-children"><a href="module-section.html">section</a></div><div class="sidebar-section-children"><a href="module-sectionScroller.html">sectionScroller</a></div><div class="sidebar-section-children"><a href="module-settings.html">settings</a></div><div class="sidebar-section-children"><a href="module-userauth.html">userauth</a></div></div></div></div></div><div class="navbar-container" id="VuAckcnZhf"><nav class="navbar"><div class="navbar-left-items"><div class="external-link navbar-item"><a id="jellyfin-link" href="https://jellyfin.org/" target="_blank">Jellyfin</a></div><div class="external-link navbar-item"><a id="github-link" href="https://github.com/jellyfin/jellyfin-roku" target="_blank">GitHub</a></div><div class="external-link navbar-item"><a id="forum-link" href="https://forum.jellyfin.org/f-roku-development" target="_blank">Forum</a></div><div class="external-link navbar-item"><a id="matrix-link" href="https://matrix.to/#/#jellyfin-dev-roku:matrix.org" target="_blank">Matrix</a></div></div><div class="navbar-right-items"><div class="navbar-right-item"><button class="icon-button search-button" aria-label="open-search"><svg><use xlink:href="#search-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button theme-toggle" aria-label="toggle-theme"><svg><use class="theme-svg-use" xlink:href="#dark-theme-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button font-size" aria-label="change-font-size"><svg><use xlink:href="#font-size-icon"></use></svg></button></div></div><nav></nav></nav></div><div class="toc-container"><div class="toc-content"><span class="bold">On this page</span><div id="eed4d2a0bfd64539bb9df78095dec881"></div></div></div><div class="body-wrapper"><div class="main-content"><div class="main-wrapper"><section id="source-page" class="source-page"><header><h1 id="title" class="has-anchor">components_config_ServerDiscoveryTask.bs</h1></header><article><pre class="prettyprint source lang-js"><code>import "pkg:/source/roku_modules/log/LogMixin.brs"
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'
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' Task used to discover jellyfin servers on the local network
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'
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sub init()
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m.log = log.Logger("ServerDiscoveryTask")
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m.top.functionName = "execute"
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end sub
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sub execute()
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m.servers = []
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m.serverUrlMap = {}
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m.locationUrlMap = {}
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'send both requests at the same time
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SendSSDPBroadcast()
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SendClientDiscoveryBroadcast()
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ts = CreateObject("roTimespan")
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maxTimeMs = 2200
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'monitor each port and collect messages
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while True
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elapsed = ts.TotalMilliseconds()
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if elapsed >= maxTimeMs
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exit while
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end if
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msg = Wait(100, m.ssdp.port)
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if msg <> invalid
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ProcessSSDPResponse(msg)
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end if
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msg = Wait(100, m.clientDiscovery.port)
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if msg <> invalid
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ProcessClientDiscoveryResponse(msg)
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end if
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end while
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m.top.content = m.servers
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m.log.debug("Jellyfin servers found", m.servers[0], m.servers[1], m.servers[2])
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end sub
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sub AddServer(server)
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if m.serverUrlMap[server.baseUrl] = invalid
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m.serverUrlMap[server.baseUrl] = true
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m.servers.push(server)
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end if
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end sub
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sub SendClientDiscoveryBroadcast()
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m.clientDiscovery = {
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|
port: CreateObject("roMessagePort"),
|
|
address: CreateObject("roSocketAddress"),
|
|
socket: CreateObject("roDatagramSocket"),
|
|
urlTransfer: CreateObject("roUrlTransfer")
|
|
}
|
|
m.clientDiscovery.address.SetAddress("255.255.255.255:7359")
|
|
m.clientDiscovery.urlTransfer.SetPort(m.clientDiscoveryPort)
|
|
m.clientDiscovery.socket.SetMessagePort(m.clientDiscovery.port)
|
|
m.clientDiscovery.socket.SetSendToAddress(m.clientDiscovery.address)
|
|
m.clientDiscovery.socket.NotifyReadable(true)
|
|
m.clientDiscovery.socket.SetBroadcast(true)
|
|
m.clientDiscovery.socket.SendStr("Who is JellyfinServer?")
|
|
end sub
|
|
|
|
sub ProcessClientDiscoveryResponse(message)
|
|
if Type(message) = "roSocketEvent" and message.GetSocketId() = m.clientDiscovery.socket.GetId() and m.clientDiscovery.socket.IsReadable()
|
|
try
|
|
responseJson = m.clientDiscovery.socket.ReceiveStr(4096)
|
|
server = ParseJson(responseJson)
|
|
AddServer({
|
|
name: server.Name,
|
|
baseUrl: server.Address,
|
|
'hardcoded icon since this service doesn't include them
|
|
iconUrl: "pkg:/images/logo-icon120.jpg",
|
|
iconWidth: 120,
|
|
iconHeight: 120
|
|
})
|
|
m.log.info("Found Jellyfin server using client discovery", server.Address)
|
|
catch e
|
|
m.log.error("Error scanning for jellyfin server", message)
|
|
end try
|
|
end if
|
|
end sub
|
|
|
|
sub SendSSDPBroadcast()
|
|
m.ssdp = {
|
|
port: CreateObject("roMessagePort"),
|
|
address: CreateObject("roSocketAddress"),
|
|
socket: CreateObject("roDatagramSocket"),
|
|
urlTransfer: CreateObject("roUrlTransfer")
|
|
}
|
|
m.ssdp.address.SetAddress("239.255.255.250:1900")
|
|
m.ssdp.socket.SetMessagePort(m.ssdp.port)
|
|
m.ssdp.socket.SetSendToAddress(m.ssdp.address)
|
|
m.ssdp.socket.NotifyReadable(true)
|
|
m.ssdp.urlTransfer.SetPort(m.ssdp.port)
|
|
|
|
'brightscript can't escape characters in strings, so create a few vars here so we can use them in the strings below
|
|
Q = Chr(34)
|
|
CRLF = Chr(13) + Chr(10)
|
|
|
|
ssdpStr = "M-SEARCH * HTTP/1.1" + CRLF
|
|
ssdpStr += "HOST: 239.255.255.250:1900" + CRLF
|
|
ssdpStr += "MAN: " + Q + "ssdp:discover" + Q + CRLF
|
|
ssdpStr += "ST:urn:schemas-upnp-org:device:MediaServer:1" + CRLF
|
|
ssdpStr += "MX: 2" + CRLF
|
|
ssdpStr += CRLF
|
|
|
|
m.ssdp.socket.SendStr(ssdpStr)
|
|
end sub
|
|
|
|
sub ProcessSSDPResponse(message)
|
|
locationUrl = invalid
|
|
if Type (message) = "roSocketEvent" and message.GetSocketId() = m.ssdp.socket.GetId() and m.ssdp.socket.IsReadable()
|
|
recvStr = m.ssdp.socket.ReceiveStr(4096)
|
|
match = CreateObject("roRegex", "\r\nLocation:\s*(.*?)\s*\r\n", "i").Match(recvStr)
|
|
if match.Count() = 2
|
|
locationUrl = match[1]
|
|
end if
|
|
end if
|
|
|
|
if locationUrl = invalid
|
|
return
|
|
else if m.locationUrlMap[locationUrl] <> invalid
|
|
m.log.warn("Already discovered this location", locationUrl)
|
|
return
|
|
end if
|
|
|
|
m.locationUrlMap[locationUrl] = true
|
|
|
|
http = CreateObject("roUrlTransfer")
|
|
http.SetUrl(locationUrl)
|
|
responseText = http.GetToString()
|
|
xml = CreateObject("roXMLElement")
|
|
'if we successfully parsed the response, process it
|
|
if xml.Parse(responseText)
|
|
deviceNode = xml.GetNamedElementsCi("device")[0]
|
|
manufacturer = deviceNode.GetNamedElementsCi("manufacturer").GetText()
|
|
'only process jellyfin servers
|
|
if lcase(manufacturer) = "jellyfin"
|
|
'find the largest icon
|
|
width = 0
|
|
server = invalid
|
|
icons = deviceNode.GetNamedElementsCi("iconList")[0].GetNamedElementsCi("icon")
|
|
for each iconNode in icons
|
|
iconUrl = iconNode.GetNamedElementsCi("url").GetText()
|
|
baseUrl = invalid
|
|
match = CreateObject("roRegex", "(.*?)\/dlna\/", "i").Match(iconUrl)
|
|
if match.Count() = 2
|
|
baseUrl = match[1]
|
|
end if
|
|
loopResult = {
|
|
name: deviceNode.GetNamedElementsCi("friendlyName").GetText(),
|
|
baseUrl: baseUrl,
|
|
iconUrl: iconUrl,
|
|
iconWidth: iconNode.GetNamedElementsCi("width")[0].GetText().ToInt(),
|
|
iconHeight: iconNode.GetNamedElementsCi("height")[0].GetText().ToInt()
|
|
}
|
|
if baseUrl <> invalid and loopResult.iconWidth > width
|
|
width = loopResult.iconWidth
|
|
server = loopResult
|
|
end if
|
|
end for
|
|
AddServer(server)
|
|
m.log.info("Found jellyfin server using SSDP and DLNA", server.baseUrl)
|
|
end if
|
|
end if
|
|
end sub
|
|
</code></pre></article></section><footer class="footer" id="PeOAagUepe"><div class="wrapper"><span class="jsdoc-message">Automatically generated using <a href="https://github.com/jsdoc/jsdoc" target="_blank">JSDoc</a> and the <a href="https://github.com/ankitskvmdam/clean-jsdoc-theme" target="_blank">clean-jsdoc-theme</a>.</span></div></footer></div></div></div><div class="search-container" id="PkfLWpAbet" style="display:none"><div class="wrapper" id="iCxFxjkHbP"><button class="icon-button search-close-button" id="VjLlGakifb" aria-label="close search"><svg><use xlink:href="#close-icon"></use></svg></button><div class="search-box-c"><svg><use xlink:href="#search-icon"></use></svg> <input type="text" id="vpcKVYIppa" class="search-input" placeholder="Search..." autofocus></div><div class="search-result-c" id="fWwVHRuDuN"><span class="search-result-c-text">Type anything to view search result</span></div></div></div><div class="mobile-menu-icon-container"><button class="icon-button" 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