How to receive sender's name in MQTT












1















I need to get name of user, who sent the message and after display it with the message. For example:



username1: message1
username2: message2


But I didn't find any method which can help to receive sender's name in MqttMessage class. Does it exist and if yes which method should I use?










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  • 1





    At minimum, do you have any source code part to provide? If possible add a Minimal, Complete, and Verifiable example including proper example input/output data.

    – Bsquare ℬℬ
    Nov 21 '18 at 9:31











  • @Bsquare, yes, I have code, but there's no need in it, in my view. I only ask about the existing of one method

    – Sergei Mikhailovskii
    Nov 21 '18 at 16:15
















1















I need to get name of user, who sent the message and after display it with the message. For example:



username1: message1
username2: message2


But I didn't find any method which can help to receive sender's name in MqttMessage class. Does it exist and if yes which method should I use?










share|improve this question


















  • 1





    At minimum, do you have any source code part to provide? If possible add a Minimal, Complete, and Verifiable example including proper example input/output data.

    – Bsquare ℬℬ
    Nov 21 '18 at 9:31











  • @Bsquare, yes, I have code, but there's no need in it, in my view. I only ask about the existing of one method

    – Sergei Mikhailovskii
    Nov 21 '18 at 16:15














1












1








1








I need to get name of user, who sent the message and after display it with the message. For example:



username1: message1
username2: message2


But I didn't find any method which can help to receive sender's name in MqttMessage class. Does it exist and if yes which method should I use?










share|improve this question














I need to get name of user, who sent the message and after display it with the message. For example:



username1: message1
username2: message2


But I didn't find any method which can help to receive sender's name in MqttMessage class. Does it exist and if yes which method should I use?







java mqtt






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 21 '18 at 9:24









Sergei MikhailovskiiSergei Mikhailovskii

15819




15819








  • 1





    At minimum, do you have any source code part to provide? If possible add a Minimal, Complete, and Verifiable example including proper example input/output data.

    – Bsquare ℬℬ
    Nov 21 '18 at 9:31











  • @Bsquare, yes, I have code, but there's no need in it, in my view. I only ask about the existing of one method

    – Sergei Mikhailovskii
    Nov 21 '18 at 16:15














  • 1





    At minimum, do you have any source code part to provide? If possible add a Minimal, Complete, and Verifiable example including proper example input/output data.

    – Bsquare ℬℬ
    Nov 21 '18 at 9:31











  • @Bsquare, yes, I have code, but there's no need in it, in my view. I only ask about the existing of one method

    – Sergei Mikhailovskii
    Nov 21 '18 at 16:15








1




1





At minimum, do you have any source code part to provide? If possible add a Minimal, Complete, and Verifiable example including proper example input/output data.

– Bsquare ℬℬ
Nov 21 '18 at 9:31





At minimum, do you have any source code part to provide? If possible add a Minimal, Complete, and Verifiable example including proper example input/output data.

– Bsquare ℬℬ
Nov 21 '18 at 9:31













@Bsquare, yes, I have code, but there's no need in it, in my view. I only ask about the existing of one method

– Sergei Mikhailovskii
Nov 21 '18 at 16:15





@Bsquare, yes, I have code, but there's no need in it, in my view. I only ask about the existing of one method

– Sergei Mikhailovskii
Nov 21 '18 at 16:15












1 Answer
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The onMessageArrived() callback comes with only topic and MqttMessage parameters.



However payload is binary data, you can have any data inside the payload.Once client receives payload you could parse the payload for required information.



You need to change your payload to include required parameters.






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    1 Answer
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    1 Answer
    1






    active

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    active

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    active

    oldest

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    0














    The onMessageArrived() callback comes with only topic and MqttMessage parameters.



    However payload is binary data, you can have any data inside the payload.Once client receives payload you could parse the payload for required information.



    You need to change your payload to include required parameters.






    share|improve this answer






























      0














      The onMessageArrived() callback comes with only topic and MqttMessage parameters.



      However payload is binary data, you can have any data inside the payload.Once client receives payload you could parse the payload for required information.



      You need to change your payload to include required parameters.






      share|improve this answer




























        0












        0








        0







        The onMessageArrived() callback comes with only topic and MqttMessage parameters.



        However payload is binary data, you can have any data inside the payload.Once client receives payload you could parse the payload for required information.



        You need to change your payload to include required parameters.






        share|improve this answer















        The onMessageArrived() callback comes with only topic and MqttMessage parameters.



        However payload is binary data, you can have any data inside the payload.Once client receives payload you could parse the payload for required information.



        You need to change your payload to include required parameters.







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited Nov 21 '18 at 14:14









        hardillb

        25.1k73363




        25.1k73363










        answered Nov 21 '18 at 9:35









        Ramesh YankatiRamesh Yankati

        70659




        70659
































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