Commit f7b15f14 authored by Committed by Olivier CrêteBrowse files
agent: Add support for vectored I/O for sends
Add one new public function, nice_agent_send_messages_nonblocking(), which replaces nice_agent_send_full(). This isn’t an API break, because nice_agent_send_full() hasn’t been in a release yet. The new API allows sending multiple messages in a single call, and supports vectors of buffers to transmit the messages from. The existing nice_agent_send() API has been left untouched, although it’s a bit of a bugbear because it’s non-blocking and doesn’t fit with the new *_nonblocking() naming scheme. Oh well. This doesn’t bring any notable changes to the number of memcpy()s on the critical path: it remains at zero for the common cases and common socket types. It introduces the possibility for future work to eliminate some memcpy()s in more complex socket types, like tcp-turn and tcp-bsd, but these optimisations have not been made yet. FIXME comments have been added. This includes modifications to the test-send-recv unit test to cover the new API.
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