HelloMQTT over TLS.
Fork of HelloMQTT by
HelloMQTT over TLS
This program is a fork of HelloMQTT. Added TLS capability by using TLSSocket library. Tested on K64F.
This sample program connects to iot.eclipse.org:8883
by default. Verifies server identification. Subscribes a certain topic. Then publishes three messages with different QoSs, i.e. QoS0
, QoS1
, and QoS2
.
Warning
Some brokers do not accept QoS2 and/or QoS1 message. For example, AWS IoT Message Broker doesn't accept QoS2. In such broker, this program doesn't work as is. Change QoS level.
Output from console
HelloMQTT: version is 0.70 Opening network interface... Network interface opened successfully. Connecting to host iot.eclipse.org:8883 ... Connection established. MQTT client is trying to connect the server ... Client connected. Client is trying to subscribe a topic "mbed-test". Client has subscribed a topic "mbed-test". Client publishes messages ... Publishing message QoS 0. QoS 0 message published. ! Message arrived: qos 0, retained 0, dup 0, packetid 6257 ! Payload Hello World! QoS 0 message from app version 0.700000 Publishing message QoS 1. QoS 1 message published. ! Message arrived: qos 1, retained 0, dup 0, packetid 1 ! Payload Hello World! QoS 1 message from app version 0.700000 Publishing message QoS 2. QoS 2 message published. ! Message arrived: qos 2, retained 0, dup 0, packetid 2 ! Payload Hello World! QoS 2 message from app version 0.700000 Version 0.70: finish 3 msgs
Known Issues
On K64F, when serial baud rate is changed from 9600 to 115200, program fails.
Diff: MQTT_server_setting.h
- Revision:
- 28:70c0694ae0cf
- Child:
- 34:8f7a465c2192
diff -r 3be8f0cf77dc -r 70c0694ae0cf MQTT_server_setting.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MQTT_server_setting.h Tue Apr 17 18:54:56 2018 +0900 @@ -0,0 +1,36 @@ +#ifndef _SERVER_ROT_CERT_H_ +#define _SERVER_ROT_CERT_H_ + +const char MQTT_SERVER_HOST_NAME[] = "iot.eclipse.org"; + +#if MBED_CONF_APP_USE_TLS == 1 +const int MQTT_SERVER_PORT = 8883; + +// DST Root CA X3, which is Root CA of iot.eclipse.org +const char SSL_CA_PEM[] = +"-----BEGIN CERTIFICATE-----\n" +"MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/\n" +"MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT\n" +"DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow\n" +"PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD\n" +"Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB\n" +"AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O\n" +"rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq\n" +"OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b\n" +"xiqKqy69cK3FCxolkHRyxXtqqzTWMIn/5WgTe1QLyNau7Fqckh49ZLOMxt+/yUFw\n" +"7BZy1SbsOFU5Q9D8/RhcQPGX69Wam40dutolucbY38EVAjqr2m7xPi71XAicPNaD\n" +"aeQQmxkqtilX4+U9m5/wAl0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNV\n" +"HQ8BAf8EBAMCAQYwHQYDVR0OBBYEFMSnsaR7LHH62+FLkHX/xBVghYkQMA0GCSqG\n" +"SIb3DQEBBQUAA4IBAQCjGiybFwBcqR7uKGY3Or+Dxz9LwwmglSBd49lZRNI+DT69\n" +"ikugdB/OEIKcdBodfpga3csTS7MgROSR6cz8faXbauX+5v3gTt23ADq1cEmv8uXr\n" +"AvHRAosZy5Q6XkjEGB5YGV8eAlrwDPGxrancWYaLbumR9YbK+rlmM6pZW87ipxZz\n" +"R8srzJmwN0jP41ZL9c8PDHIyh8bwRLtTcm1D9SZImlJnt1ir/md2cXjbDaJWFBM5\n" +"JDGFoqgCWjBH4d1QB7wCCZAA62RjYJsWvIjJEubSfZGL+T0yjWW06XyxV3bqxbYo\n" +"Ob8VZRzI9neWagqNdwvYkQsEjgfbKbYK7p2CNTUQ\n" +"-----END CERTIFICATE-----\n"; +#else +/* No TLS */ +const int MQTT_SERVER_PORT = 1883; +#endif /* MBED_CONF_APP_USE_TLS == 1 */ + +#endif /* _SERVER_ROT_CERT */ \ No newline at end of file