LCOV - code coverage report
Current view: top level - src/messages/subscribeack - mqtt_client_mqtt_subscribe_ack_payload.dart (source / functions) Hit Total Coverage
Test: coverage.lcov Lines: 20 20 100.0 %
Date: 2017-10-09 Functions: 0 0 -

          Line data    Source code
       1             : /*
       2             :  * Package : mqtt_client
       3             :  * Author : S. Hamblett <steve.hamblett@linux.com>
       4             :  * Date   : 19/06/2017
       5             :  * Copyright :  S.Hamblett
       6             :  */
       7             : 
       8             : part of mqtt_client;
       9             : 
      10             : /// Class that contains details related to an MQTT Subscribe Ack messages payload
      11             : class MqttSubscribeAckPayload extends MqttPayload {
      12             :   MqttVariableHeader variableHeader;
      13             :   MqttHeader header;
      14             : 
      15             :   /// The collection of Qos grants, Key is the topic, Value is the qos
      16             :   List<MqttQos> qosGrants = new List<MqttQos>();
      17             : 
      18             :   /// Initializes a new instance of the MqttSubscribeAckPayload class.
      19           2 :   MqttSubscribeAckPayload();
      20             : 
      21             :   /// Initializes a new instance of the MqttSubscribeAckPayload class.
      22             :   MqttSubscribeAckPayload.fromByteBuffer(MqttHeader header,
      23             :       MqttSubscribeAckVariableHeader variableHeader,
      24           1 :       MqttByteBuffer payloadStream) {
      25           1 :     this.header = header;
      26           1 :     this.variableHeader = variableHeader;
      27           1 :     readFrom(payloadStream);
      28             :   }
      29             : 
      30             :   /// Writes the payload to the supplied stream.
      31             :   void writeTo(MqttByteBuffer payloadStream) {
      32           2 :     for (MqttQos value in qosGrants) {
      33           2 :       payloadStream.writeByte(value.index);
      34             :     }
      35             :   }
      36             : 
      37             :   /// Creates a payload from the specified header stream.
      38             :   void readFrom(MqttByteBuffer payloadStream) {
      39             :     int payloadBytesRead = 0;
      40           5 :     final int payloadLength = header.messageSize - variableHeader.length;
      41             :     // Read the qos grants from the message payload
      42           1 :     while (payloadBytesRead < payloadLength) {
      43           2 :       final MqttQos granted = MqttQos.values[payloadStream.readByte()];
      44           1 :       payloadBytesRead++;
      45           1 :       addGrant(granted);
      46             :     }
      47             :   }
      48             : 
      49             :   /// Gets the length of the payload in bytes when written to a stream.
      50             :   int getWriteLength() {
      51           2 :     return qosGrants.length;
      52             :   }
      53             : 
      54             :   /// Adds a new QosGrant to the collection of QosGrants
      55             :   void addGrant(MqttQos grantedQos) {
      56           4 :     qosGrants.add(grantedQos);
      57             :   }
      58             : 
      59             :   /// Clears the grants.
      60             :   void clearGrants() {
      61           2 :     qosGrants.clear();
      62             :   }
      63             : 
      64             :   String toString() {
      65           1 :     final StringBuffer sb = new StringBuffer();
      66           4 :     sb.writeln("Payload: Qos grants [{${qosGrants.length}}]");
      67           2 :     for (MqttQos value in qosGrants) {
      68           2 :       sb.writeln("{{ Grant={$value} }}");
      69             :     }
      70           1 :     return sb.toString();
      71             :   }
      72             : }

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