1auto_reconnect(3)          Library Functions Manual          auto_reconnect(3)
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NAME

6       auto_reconnect - Automatic Reconnect The ability for the client library
7       to reconnect automatically in the event of a connection failure was
8       added in 1.1. The connection lost callback allows a flexible response
9       to the loss of a connection, so almost any behaviour can be implemented
10       in that way. Automatic reconnect does have the advantage of being a
11       little simpler to use.
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13       To switch on automatic reconnect, the connect options field
14       automaticReconnect should be set to non-zero. The minimum and maximum
15       times before the next connection attempt can also be set, the defaults
16       being 1 and 60 seconds. At each failure to reconnect, the retry
17       interval is doubled until the maximum value is reached, and there it
18       stays until the connection is successfully re-established whereupon it
19       is reset.
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21       When a reconnection attempt is successful, the MQTTAsync_connected
22       callback function is invoked, if set by calling MQTTAsync_setConnected.
23       This allows the application to take any actions needed, such as
24       amending subscriptions.
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28Paho Asynchronous MQTT C Client LSiabtraMrayy 29 2021              auto_reconnect(3)