added dapnet support

package.json

@@ -21,6 +21,7 @@
     "amqp-connection-manager": "^3.2.2",
     "amqplib": "^0.7.0",
     "async-mqtt": "^2.6.1",
+    "axios": "^0.21.1",
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "md5": "^2.3.0",

types/connectors/DAPNETConnector.js

@@ -1,4 +1,6 @@
 const Connector = require("./Connector")
+const config = require('../../config.json')
+const axios = require('axois')
 
 class DAPNETConnector extends Connector {
   constructor (amqpConnMngr) {
@@ -6,5 +8,31 @@ class DAPNETConnector extends Connector {
     this.name = "dapnet"
     this.duplexCapable = false
   }
+  async transmitMessage(msg, params) {
+      const UUID = this.name+':'+md5(JSON.stringify([this.name,...params]))
+      if (params.length < 1) return false
+      const target = params[0]
+      if (target.split('#').length !== 2) throw 'No valid DAPNET Parameter <transmitterGroup#callSign>'
+      const transmitterGroup = target.split('#')[ 0 ], callsign = target.split('#')[ 1 ]
+      const dapnetRequest = {
+        text: msg.payload,
+        callSignNames: [ callsign ],
+        transmitterGroupNames: [ transmitterGroup ]
+      }
+      const extraParameters = {
+        auth: {
+          username: config.connectors.dapnet.username,
+          password: config.connectors.dapnet.password
+        }
+      }
+      return axios.post(config.connectors.dapnet.endpoint, dapnetRequest, extraParameters)
+      .then(() => {
+          this.connectorRegistry.reportState(msg, UUID, 'routed')
+          return true
+      }).catch((err) => {
+          this.connectorRegistry.reportFail(msg, UUID)
+          return false
+      })
+  }
 }
 module.exports = DAPNETConnector