Flush DataChannelCmd::StartForward* commands #316
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Without flushing this may sit in a kernel buffer and we won't know if the channel is still alive. This is particularly problematic for the TCP connection pool.
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Without flushing this may sit in a kernel buffer and we won't know if the channel is still alive. This is particularly problematic for the TCP connection pool.
I added flushing to the UDP handling as well, but it's less critical there.
I added a
write_and_flushto helper, and then use that where needed.