[This introduces some new API functions.]
* Adds new flag to the connection context indicating SO_REUSEADDR
should be set.
* Adds max number of retries constant for when connect() hits
EADDRNOTAVAIL.
* Adds new function, redisAsyncConnectBindWithReuse(), letting
clients enable this functionality.
[Removed trailing whitespace in new header lines.]
Closes#264
Some environments require binding to specific source addresses instead
of letting the system determine which IP a connection should originate
from.
Closes#233
This commit adds a status argument to the connect callback. It will be
called in the event of an unsuccessful connection as well, where the
status argument is set to REDIS_ERR. It is set to REDIS_OK otherwise.
When there is an I/O error, errno should be used to find out what is
wrong. In other cases, errno cannot be used. So, use an explicit type in
Hiredis to define the different error scenarios that can occur.
