Paho MQTT library names

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I found list of paho MQTT libraries installed in Linux:

libpaho-mqtt3a.so -> libpaho-mqtt3a.so.1
libpaho-mqtt3a.so.1 -> libpaho-mqtt3a.so.1.3
libpaho-mqtt3a.so.1.3
libpaho-mqtt3as.so -> libpaho-mqtt3as.so.1
libpaho-mqtt3as.so.1 -> libpaho-mqtt3as.so.1.3
libpaho-mqtt3as.so.1.3
libpaho-mqtt3c.so -> libpaho-mqtt3c.so.1
libpaho-mqtt3c.so.1 -> libpaho-mqtt3c.so.1.3
libpaho-mqtt3c.so.1.3
libpaho-mqtt3cs.so -> libpaho-mqtt3cs.so.1
libpaho-mqtt3cs.so.1 -> libpaho-mqtt3cs.so.1.3
libpaho-mqtt3cs.so.1.3

I understand that file names with ending with as means asynchronous. But what about a, c, cs?

What they are used for

paho mqtt
1 Answers

Quoting from the readme:

paho-mqtt3a - asynchronous (MQTTAsync)
paho-mqtt3as - asynchronous with SSL (MQTTAsync)
paho-mqtt3c - "classic" / synchronous (MQTTClient)
paho-mqtt3cs - "classic" / synchronous with SSL (MQTTClient)

Hopefully this answers the question; if more info is needed there is a link, just below the above, to a document that explains the which to use and why in some detail (but is somewhat outdated!).

user_118109460
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