[MQTT] Clean up connection manager, fix crash after deleting last connection

Authored by croick on Feb 26 2019, 3:18 PM.

Description

[MQTT] Clean up connection manager, fix crash after deleting last connection

  • buffer pointer to currently selected connection
  • include port in checks for uniqueness of connections

Details

Committed
croickFeb 26 2019, 3:18 PM
Parents
R262:180276888553: Replace empty quotation marks "" by QString()/std::string()
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