Fix `comparison between signed and unsigned integer expressions` problem.
User ID is a positive integer in Linux/UNIX(macOS, FreeBSD, Solaris), also `geteuid()` never fails with return code.
* Process socket events asynchronously
Avoid blocking the event loop using waitForReadyRead(). Instead, process the
initialization in two phases. It was necessary to add a map to keep track of
the state of the initial message processing
Signed-off-by: Francis Giraldeau <francis.giraldeau@nrc-cnrc.gc.ca>
* Fix undefined variable on Windows
The timout variable does not exists in this scope, we can safely remove the
Q_UNUSED.
Signed-off-by: Francis Giraldeau <francis.giraldeau@nrc-cnrc.gc.ca>
* Fix validation logic of initial message
I modified the logic to a positive value, but the modification was incomplete
and caused the initial message to be incorrectly considered as invalid.
Signed-off-by: Francis Giraldeau <francis.giraldeau@nrc-cnrc.gc.ca>
* Use the proper socket when receiving message
The socket variable is a class member, but we really want to use
nextConnSocket when receiving the message in the lambda.
Signed-off-by: Francis Giraldeau <francis.giraldeau@nrc-cnrc.gc.ca>