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More toward GitHub issue #56

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This commit is contained in:
Adam Ierymenko
2014-04-10 16:30:15 -07:00
parent c9294c1a78
commit aee742e767
12 changed files with 113 additions and 27 deletions
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16
node/Packet.hpp
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@ -136,6 +136,12 @@
*/
#define ZT_PROTO_MIN_FRAGMENT_LENGTH ZT_PACKET_FRAGMENT_IDX_PAYLOAD
/**
* Length of LAN beacon packets
*/
#define ZT_PROTO_BEACON_LENGTH 13
#define ZT_PROTO_BEACON_IDX_ADDRESS 8
// Size of bloom filter used in multicast propagation graph exploration
#define ZT_PROTO_VERB_MULTICAST_FRAME_BLOOM_FILTER_SIZE_BITS 512
#define ZT_PROTO_VERB_MULTICAST_FRAME_BLOOM_FILTER_SIZE_BYTES 64
@ -250,6 +256,16 @@ namespace ZeroTier {
*
* For unencrypted packets, MAC is computed on plaintext. Only HELLO is ever
* sent in the clear, as it's the "here is my public key" message.
*
* Beacon format and beacon packets:
* <[8] 8 random bytes>
* <[5] sender ZT address>
*
* A beacon is a 13-byte packet containing only the address of the sender.
* Receiving peers may or may not respond to beacons with a HELLO or other
* message to initiate direct communication.
*
* Beacons may be used for direct LAN announcement or NAT traversal.
*/
class Packet : public Buffer<ZT_PROTO_MAX_PACKET_LENGTH>
{