httpd: undefined,
wsProtocol: opts['no-tls'] ? 'ws' : 'wss',
respond: (request,response) => {
- let body = []
- request.on('error', function(err) {
- console.error(`error is ${err}`);
- }).on('data', function(chunk) {
- console.log(`chunk is ${chunk}`)
- body.push(chunk);
- }).on('end', function() {
- console.log(`body is ${body}`)
- })
console.log('server handling request')
const serveFile = (fPath) => {
fs.readFile(fPath, { encoding: 'utf8' }, (err, data) => {
const htArgv = request.url.slice(1).split("?")
let routePath = htArgv[0].split('/')
let routeName = routePath[0]
+
+
if (routeName === '' || routeName === 'index.html')
- serveFile(opts['index'])
+ serveFile(opts['index'])
else if (routeName in opts['bindings']) {
let localPath = path.normalize(opts['bindings'][routeName].concat(path.sep + routePath.slice(1).join(path.sep)))
if (localPath.includes(opts['bindings'][routeName])) {
}
/* TODO: Handle reconnecting host */
else if (routeName in router.routes) {
-
const route = router.routes[routeName]
+ const clients = route['clients']
+ const headerData = request.headers['x-strapp-type']
+
+
+
/* Client is INIT GET */
- if (request.headers['x-strapp-type'] == undefined) {
+ if (headerData === undefined) {
console.log('client init GET')
response.writeHead(200, { 'Content-Type': 'text/html' })
response.write(`${router.skelPage[0]}${router.clientJS}${router.skelPage[1]}`)
//TODO: if route.socket == undefined: have server delay this send until host connects
// (this happens when a client connects to an active route with no currently-online host)
}
- else { /* Client sent offer, waiting for answer */
- console.log(JSON.parse(request.headers['x-strapp-type']))
- route.socket.on('message', (hostResponse) => {
- console.log(hostResponse)
+ else if (headerData.localeCompare('ice-candidate-request') === 0) {
+ console.log('Server: received ice-candidate-request from Client')
+ let pubKey = request.headers['x-client-pubkey']
+ clients.set(pubKey, response)
+ pubKey = '{ "pubKey": "' + pubKey + '" }'
+ route.socket.send(pubKey)
+ }
+ else if (headerData.localeCompare('ice-candidate-submission') === 0) {
+ console.log('Server: recieved ice-candidate-submission from Client')
+ let data = []
+ request.on('data', (chunk) => {
+ data.push(chunk)
+ }).on('end', () => {
+ console.log('Sending ice-candidate-submission to Host')
+ data = Buffer.concat(data).toString();
+ clients.set(JSON.parse(data)['pubKey'], response)
+ route.socket.send(data)
})
}
+ else if (headerData.localeCompare('client-sdp-offer') === 0){ /* Client sent offer, waiting for answer */
+ console.log('Server: Sending client offer to host')
+ clients.set(JSON.parse(request.headers['x-client-offer'])['pubKey'], response)
+ route.socket.send(request.headers['x-client-offer'])
+ } else {
+ console.log('Unhandled stuff')
+ console.log(request.headers)
+ }
}
else {
router.routes[routeName] = true
const newRoute = {}
+ newRoute.clients = new Map([])
newRoute.host = request.headers['x-forwarded-for'] || request.connection.remoteAddress
getport().then( (port) => {
newRoute.port = port
newRoute.httpd.listen(newRoute.port)
newRoute.wsd = new ws.Server( { server: newRoute.httpd } )
newRoute.wsd.on('connection', (sock) => {
+ console.log(`${routeName} server has been established`)
newRoute.socket = sock
- sock.on('message', (msg) => { console.log(`[${newRoute.host}] ${msg}`) })
+
+ /* Handle all messages from host */
+ sock.on('message', (hostMessage) => {
+ hostMessage = JSON.parse(hostMessage)
+ response = newRoute.clients.get(hostMessage['clientPubKey'])
+
+ /* If the host response is a answer */
+ if (hostMessage['cmd'].localeCompare('< sdp pubKey') === 0) {
+ console.log('Server: Sending host answer to client')
+ response.writeHead(200, { 'Content-Type': 'application/json' })
+ response.write(JSON.stringify(hostMessage))
+ response.end()
+ }
+ else if (hostMessage['cmd'].localeCompare('< ice pubKey') === 0){
+ /* if the host response is an ice candidate */
+ console.log('Server: Handling host ICE message')
+ let iceState = hostMessage['iceState']
+ /* If there are any ice candidates, send them back */
+ switch(iceState) {
+ case "a":
+ response.writeHead('200', {'x-strapp-type': 'ice-candidate-available'})
+ response.write(JSON.stringify(hostMessage))
+ response.end()
+ break
+ case "g":
+ console.log('Server: Host is still gathering candidates, keep trying')
+ response.writeHead('200', {'x-strapp-type': 'ice-state-gathering'})
+ response.write(JSON.stringify(hostMessage))
+ response.end()
+ break
+ case "c":
+ console.log('Server: Host has completed gathering candidates')
+ response.writeHead('200', {'x-strapp-type': 'ice-state-complete'})
+ response.write(JSON.stringify(hostMessage))
+ response.end()
+ break
+ default:
+ console.log('unhandled iceState from host')
+ break
+ }
+ }
+
+ })
})
+
console.log(`Listening for websocket ${newRoute.host} on port ${newRoute.port}`)
router.routes[routeName] = newRoute
}).then(() => {
})
}
+
}
}