Re: [paho-dev] Paho C Client ssl connection with Azure

[Al S-M <asm@xxxxxxxx>]

Have you definitely linked against the SSL enabled libraries and not the normal ones? I've seen this error caused by that before.

Al

On 02/06/16 13:28, Manoj Srinivasan wrote:

Hi,

 

I am trying to connect to Azure IoT Hub using MQTT with Paho C client library. I have installed Paho GUI client also in my PC for testing purpose.

 

Establishing a connection to Azure is explained in the below link.

https://azure.microsoft.com/en-in/documentation/articles/iot-hub-mqtt-support/

 

IoT hub connection needs only the below parameters:

URL                                                        :               ssl://xxxxxxxxx.azure-devices.net:8883               

Clean Session                                    :               Enable

Username                                           :               {iothubhostname}/{device_id}                                  (Ex: xxxxxxxxx.azure-devices.net/device0eac6f2a40ef48c89abc10b9be0b9909)

Password                                            :               SAS Token from Azure

 

If I try connecting with Paho GUI App, it’s getting connected to Azure.

But if I try with my C client I’m getting an error message in the log as below.

 

20160602 151321.135 getaddrinfo failed for addr ssl:// xxxxxxxxx.azure-devices.net with rc -2

20160602 151321.135 ssl:// xxxxxxxxx.azure-devices.net is not a valid IP address

20160602 151321.135 getaddrinfo failed for addr ssl:// xxxxxxxxx.azure-devices.net with rc -2

20160602 151322.857 ssl:// xxxxxxxxx.azure-devices.net is not a valid IP address

Failed to connect, return code -1

 

Please help me to resolve this issue.

 

Thanks & Regards,

Manoj Srinivasan R.

| Team Lead | Trinity Mobility Pvt. Ltd. |

 

    

 

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