Messages in this thread | | | Date | Mon, 10 Dec 2001 14:05:31 -0500 | From | "Christopher Friesen" <> | Subject | Re: question on select: How big can the empty buffer space be before select returns ready-to-write? |
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Chris Wright wrote: > > * Ben Greear (greearb@candelatech.com) wrote: > > For instance, it appears that select will return that a socket is > > writable when there is, say 8k of buffer space in it. However, if > > I'm sending 32k UDP packets, this still causes me to drop packets > > due to a lack of resources... > > udp has a fixed 8k max payload. did you try breaking up your packets?
Are you sure about that? UDP has a 16-bit field for the length. Thus the standard technically allows for packet sizes (including header) of up to 2^16 (roughly 65K) bytes.
Chris
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