pass thru if server/relay are connected

1 files changed, 8 insertions, 0 deletions

diff --git a/app/server/index.js b/app/server/index.js
index c3b0763..acbb20b 100644
--- a/app/server/index.js
+++ b/app/server/index.js
@@ -25,6 +25,7 @@ server.listen(process.env.EXPRESS_PORT, () => {
 
 const io = socket_io(server)
 let relay, client
+let relay_connected = false
 
 client = io.of('/client')
 client.on('connect', bind_client)
@@ -40,6 +41,9 @@ if (process.env.EXPRESS_CONNECTS_TO_RELAY === 'true') {
 
 function bind_relay(socket) {
   console.log('Relay connected')
+  relay_connected = true
+  client.emit('system_res', { type: 'relay_connected' })
+
   socket.on('res', data => {
     console.log('Received response', data.cmd)
     client.emit('res', data)
@@ -61,11 +65,15 @@ function bind_relay(socket) {
 
   socket.on('disconnect', () => {
     console.log('Relay disconnected')
+    relay_connected = false
+    client.emit('system_res', { type: 'relay_disconnected' })
   })
 }
 
 function bind_client(socket){
   console.log('Client connected')
+  socket.emit('system_res', { type: relay_connected ? 'relay_connected' : 'relay_disconnected' })
+
   socket.on('cmd', data => {
     console.log('Client sent command', data)
     relay.emit('cmd', data)