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OpenSSL Buffered I/O doesn't preserver message boundaries when using the memory-based BIO. This means that multiple messages can be returned on a single call to BIO_read, which is incompatible with DTLS and usrsctp. This patch changes all cross-thread messaging to use GQueue-based message queues isntead of memory-backed BIO structures.
Removed some copy-pasta for flushing the DTLS outgoing memory bio. Now its a nice function in one place. Also removed some old use of the outgoing bio. Now, any time SSL_read or SSL_write is called, there should be a corresponding call to flush.
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OpenSSL Buffered I/O doesn't preserver message boundaries when using the
memory-based BIO. This means that multiple messages can be returned on a
single call to BIO_read, which is incompatible with DTLS and usrsctp.
This patch changes all cross-thread messaging to use GQueue-based
message queues isntead of memory-backed BIO structures.