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Updated old proto, added new things to latest
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@ -45,15 +45,17 @@ Data header:
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UUU = Userid
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UUU = Userid
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L = Last fragment in packet flag
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L = Last fragment in packet flag
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First 4 bits coded as hex in ASCII.
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First byte is the header, 4 bits coded as hex in ASCII.
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Followed by data encoded with Base32.
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Followed by data encoded with Base32.
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Ping:
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Ping:
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Command = 0x04, User = userid
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Client sends:
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Client sends:
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Only a CMC
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First byte p or P
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Rest encoded with Base32:
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1 byte userid
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CMC
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The server responses to Ping and Data packets is a DNS NULL type response:
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The server response to Ping and Data packets is a DNS NULL type response:
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If server has nothing to send, data length is 0 bytes.
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If server has nothing to send, data length is 0 bytes.
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If server has a packet to send, data length is set and the data is a full raw
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If server has a packet to send, data length is set and the data is a full raw
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unencoded ip packet, prefixed with 32 bits tun data.
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unencoded ip packet, prefixed with 32 bits tun data.
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@ -39,30 +39,48 @@ Switch codec:
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Client sends:
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Client sends:
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First byte s or S
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First byte s or S
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One byte ASCII digit, meaning userid
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One byte ASCII digit, meaning userid
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One byte ASCII digit, with value 5 or 6, representing number of bits per byte in encoding
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One byte ASCII digit, with value 5 or 6, representing number of raw
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bits per encoded byte
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Server sends:
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Server sends:
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Name of codec if accepted. After this all upstream data packets must be encoded with the new codec.
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Name of codec if accepted. After this all upstream data packets must
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be encoded with the new codec.
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BADCODEC if not accepted. Client must then revert to Base32
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BADCODEC if not accepted. Client must then revert to Base32
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Data:
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Data:
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Data header:
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Upstream data header (encoded as 4 bytes Base32):
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321 0
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4321 0 432 10 43 210 4321 0
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+---+-+
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+----+-+---+--+--+---+----+-+
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|UUU|L|
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|UUUU|L|SSS|FF|FF|DDD|GGGG|C|
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+---+-+
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+----+-+---+--+--+---+----+-+
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UUU = Userid
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Downstream data header:
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7 654 3210 765 4321 0
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+-+---+----+---+----+-+
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|L|SSS|FFFF|DDD|GGGG|C|
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+-+---+----+---+----+-+
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UUUU = Userid
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L = Last fragment in packet flag
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L = Last fragment in packet flag
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SSS = Upstream packet sequence number
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FFFF = Upstream fragment number
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DDD = Downstream packet sequence number
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GGGG = Downstream fragment number
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C = Compression enabled for this packet
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First 4 bits coded as hex in ASCII.
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Upstream data packet starts with 4 bytes Base32 encoded header, then comes
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Followed by data encoded with the chosen codec.
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the payload data, encoded with chosen codec.
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Downstream data starts with 2 byte header. Then payload data, which may be
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compressed.
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Ping:
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Ping:
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Command = 0x04, User = userid
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Client sends:
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Client sends:
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Only a CMC
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First byte p or P
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Rest encoded with Base32:
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1 byte userid
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CMC
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The server responses to Ping and Data packets is a DNS NULL type response:
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The server response to Ping and Data packets is a DNS NULL type response:
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If server has nothing to send, data length is 0 bytes.
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If server has nothing to send, data length is 0 bytes.
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If server has a packet to send, data length is set and the data is a full raw
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If server has something to send, it will send a downstream data packet,
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unencoded ip packet, prefixed with 32 bits tun data.
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prefixed with 2 bytes header as shown above.
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