tj / Node Amp
Abstract message protocol for nodejs
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Programming Languages
javascript
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amp
Abstract Message Protocol codec and streaming parser for nodejs.
Installation
$ npm install amp
Example
var bin = amp.encode([Buffer.from('hello'), Buffer.from('world')]);
var msg = amp.decode(bin);
console.log(msg);
Protocol
AMP is a simple versioned protocol for framed messages containing zero or more "arguments". Each argument is opaque binary, thus you may use JSON, BSON, msgpack and others on top of AMP. Multiple argument support is used to allow a hybrid of binary/non-binary message args without requiring higher level serialization libraries like msgpack or BSON.
All multi-byte integers are big endian. The version
and argc
integers
are stored in the first byte, followed by a sequence of zero or more
<length>
/ <data>
pairs, where length
is a 32-bit unsigned integer.
0 1 2 3 4 <length> ...
+------------+----------+------------+
| <ver/argc> | <length> | <data> | additional arguments
+------------+----------+------------+
License
MIT
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