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Updated old proto, added new things to latest

This commit is contained in:
Erik Ekman 2008-12-11 19:12:34 +00:00
parent a83164fad8
commit e06ce0a213
2 changed files with 39 additions and 19 deletions
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10
doc/proto_00000402.txt
View File

@ -45,15 +45,17 @@ Data header:
UUU = Userid
L = Last fragment in packet flag
First 4 bits coded as hex in ASCII.
First byte is the header, 4 bits coded as hex in ASCII.
Followed by data encoded with Base32.
Ping:
Command = 0x04, User = userid
Client sends:
Only a CMC
First byte p or P
Rest encoded with Base32:
1 byte userid
CMC
The server responses to Ping and Data packets is a DNS NULL type response:
The server response to Ping and Data packets is a DNS NULL type response:
If server has nothing to send, data length is 0 bytes.
If server has a packet to send, data length is set and the data is a full raw
unencoded ip packet, prefixed with 32 bits tun data.

48
doc/proto_00000403.txt
View File

@ -39,30 +39,48 @@ Switch codec:
Client sends:
First byte s or S
One byte ASCII digit, meaning userid
One byte ASCII digit, with value 5 or 6, representing number of bits per byte in encoding
One byte ASCII digit, with value 5 or 6, representing number of raw
bits per encoded byte
Server sends:
Name of codec if accepted. After this all upstream data packets must be encoded with the new codec.
Name of codec if accepted. After this all upstream data packets must
be encoded with the new codec.
BADCODEC if not accepted. Client must then revert to Base32
Data:
Data header:
321 0
+---+-+
|UUU|L|
+---+-+
Upstream data header (encoded as 4 bytes Base32):
4321 0 432 10 43 210 4321 0
+----+-+---+--+--+---+----+-+
|UUUU|L|SSS|FF|FF|DDD|GGGG|C|
+----+-+---+--+--+---+----+-+
UUU = Userid
Downstream data header:
7 654 3210 765 4321 0
+-+---+----+---+----+-+
|L|SSS|FFFF|DDD|GGGG|C|
+-+---+----+---+----+-+
UUUU = Userid
L = Last fragment in packet flag
SSS = Upstream packet sequence number
FFFF = Upstream fragment number
DDD = Downstream packet sequence number
GGGG = Downstream fragment number
C = Compression enabled for this packet
First 4 bits coded as hex in ASCII.
Followed by data encoded with the chosen codec.
Upstream data packet starts with 4 bytes Base32 encoded header, then comes
the payload data, encoded with chosen codec.
Downstream data starts with 2 byte header. Then payload data, which may be
compressed.
Ping:
Command = 0x04, User = userid
Client sends:
Only a CMC
First byte p or P
Rest encoded with Base32:
1 byte userid
CMC
The server responses to Ping and Data packets is a DNS NULL type response:
The server response to Ping and Data packets is a DNS NULL type response:
If server has nothing to send, data length is 0 bytes.
If server has a packet to send, data length is set and the data is a full raw
unencoded ip packet, prefixed with 32 bits tun data.
If server has something to send, it will send a downstream data packet,
prefixed with 2 bytes header as shown above.