2017-04-05 03:00:08 +08:00
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.. _coap-client-sample:
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2017-01-24 06:42:29 +08:00
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CoAP over DTLS sample client
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############################
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Overview
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2017-01-31 06:54:22 +08:00
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********
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2017-01-24 06:42:29 +08:00
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This sample code shows a CoAP over DTLS client using mbedTLS on top of Zephyr.
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Building and Running
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2017-01-31 06:54:22 +08:00
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********************
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2017-01-24 06:42:29 +08:00
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Follow the steps for testing :ref:`networking with Qemu <networking_with_qemu>`.
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Run the server application at samples/net/coaps_server, with the following
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command:
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.. code-block:: console
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make server
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In other terminal window, run this client application at samples/net/coaps_client:
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.. code-block:: console
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make client
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You will get the following output:
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.. code-block:: console
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reply: 60 45 00 01 ff 54 79 70 65 3a 20 30 0a 43 6f 64 65 3a 20 31 0a 4d
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49 44 3a 20 31 0a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 (123 bytes)
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From the server application directory the screen should display
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.. code-block:: console
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*******
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type: 0 code 1 id 1
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*******
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connection was closed gracefully
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done
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If the server does not receive the messages, restart the app and try to connect
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the client again.
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