protocol

Protox binary protocol.

PDU ( protocol data unit )

Queue

structure

MessageId	: uint16 
Address		: string
ReturnPath	: string
Mark		: bytes
Message		: bytes

fixed header

• fixed header options:

  bit	semantic
  0
  1	hasPayload
  2	isDuplicate
  3	hasOpts

variable header

Options: 1 byte

• options (0xF0):

  bit	semantic
  0	hasMark
  1	hasReturnPath
  2	hasAddress
  3	hasId

• command (0x0F):

  bit	semantic
  4	NOP
  5	Drain
  6	Destroy
  7	Initialize

types

• payload item types:

  payload	type
  MessageId	unsigned int32
  Address	string
  ReturnPath	string
  Mark	bytes
  Message	bytes

Work in progress

• Chain to PDU extensions *.
• Support other protocols
• Support Adaptor

• extending current PDUs to exceed 0xF points ( i.e. linking via 0x0F in control packet )