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preparation for nacks for retransmission.

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This commit is contained in:
gardners 2012-05-14 15:44:36 +09:30
parent ae44826d7e
commit f0b72955d1
1 changed files with 5 additions and 3 deletions
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8
serval.h
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@ -605,9 +605,11 @@ typedef struct overlay_interface {
/* How many times have we abbreviated our address since we last announced it in full? */
int ticks_since_sent_full_address;
/* Sequence number of last tick. Sent with announcments to help keep track of the reliability of
getting traffic to/from us. */
/* sequence number of last packet sent on this interface.
Used to allow NACKs that can request retransmission of recent packets.
*/
int sequence_number;
/* XXX need recent packet buffers to support the above */
/* Broadcast address and netmask, if known */
/* We really only case about distinct broadcast addresses on interfaces.
@ -623,7 +625,7 @@ typedef struct overlay_interface {
/* If the interface still exists on the local machine.
If not, it we keep track of it for a few seconds before purging it, incase of flapping, e.g.,
due to DHCP renewal */
int observed;
int observed;
} overlay_interface;
/* Maximum interface count is rather arbitrary.