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mqtt-backend/node_modules/aedes/lib/write.js

@@ -0,0 +1,24 @@
+'use strict'
+
+const mqtt = require('mqtt-packet')
+
+function write (client, packet, done) {
+  let error = null
+  if (client.connecting || client.connected) {
+    try {
+      const result = mqtt.writeToStream(packet, client.conn)
+      if (!result && !client.errored) {
+        client.conn.once('drain', done)
+        return
+      }
+    } catch (e) {
+      error = new Error('packet received not valid')
+    }
+  } else {
+    error = new Error('connection closed')
+  }
+
+  setImmediate(done, error, client)
+}
+
+module.exports = write