MessagePack

MessagePack
===========
(https://github.com/msgpack/msgpack)
MessagePack is an object serialization specification.
Unlike JSON, MessagePack is more compact but not human-readable.

NULL
====
11000000 : Null

BOOLEAN, INTEGER
================
11000010 : False
11000011 : True
0XXXXXXX : Positive integer
111XXXXX : Negative integer
11001100 1*XXXXXXXX : Uint8
11001101 2*XXXXXXXX : Uint16
11001110 4*XXXXXXXX : Uint32
11001111 8*XXXXXXXX : Uint64
11010000 1*XXXXXXXX : Int8
11010001 2*XXXXXXXX : Int16
11010010 4*XXXXXXXX : Int32
11010011 8*XXXXXXXX : Int64

FLOAT
=====
11001010 4*XXXXXXXX : Float32
11001011 8*XXXXXXXX : Float64

STRING, BLOB
============
- X: Length of data in bytes
- Y: Data, array of char/byte
101XXXXX ( YYYYYYYY )* : String
11011001 1*XXXXXXXX ( YYYYYYYY )* : String
11011010 2*XXXXXXXX ( YYYYYYYY )* : String
11011011 4*XXXXXXXX ( YYYYYYYY )* : String
11000100 1*XXXXXXXX ( YYYYYYYY )* : Blob
11000101 2*XXXXXXXX ( YYYYYYYY )* : Blob
11000110 4*XXXXXXXX ( YYYYYYYY )* : Blob

ARRAY, KEY-VALUES
=================
- X: Number of items, number of key-value pairs
- <item>, <key>, <value>: Item, key, value
1001XXXX ( <item> )* : array
11011100 2*XXXXXXXX ( <item> )* : array
11011101 4*XXXXXXXX ( <item> )* : array
1000XXXX ( <key> <value> )* : key-values
11011110 2*XXXXXXXX ( <key> <value> )* : key-values
11011111 4*XXXXXXXX ( <key> <value> )* : key-values

CUSTOM TYPE DATA
================
- X: Length of data in bytes
- Y: Type, use 0YYYYYYY because 1YYYYYYY is reserved
- Z: Data, array of byte
11010100 0YYYYYYY 1*ZZZZZZZZ
11010101 0YYYYYYY 2*ZZZZZZZZ
11010110 0YYYYYYY 4*ZZZZZZZZ
11010111 0YYYYYYY 8*ZZZZZZZZ
11011000 0YYYYYYY 16*ZZZZZZZZ
11000111 1*XXXXXXXX 0YYYYYYY ( ZZZZZZZZ )*
11001000 2*XXXXXXXX 0YYYYYYY ( ZZZZZZZZ )*
11001001 4*XXXXXXXX ( ZZZZZZZZ )*

TIMESTAMP
=========
- N: Nanoseconds (0 to 999999)
- S: Seconds
11010110 11111111 4*SSSSSSSS (S is unsigned)
11010111 11111111 30*N 34*S (S is unsigned)
11000111 00001100 11111111 4*NNNNNNNN 8*SSSSSSSS (S is signed)