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Description:

peernet 0.1.1

pnet
Continuation of previous p2p network projects
Packet Format
{network id}|{packet type (any of [adv, msg, rsp, err])}|{message content}|{public key}|END
Node Types
Basic Node
Node(
:name Unique name within network - Should not use | or @
:network_id ID of network to listen to - Should not use |
:onmessage Callback to run when a message is recieved. Takes one argument
:crypt Crypt object or None. If None, auto-generates object.
:network_key Fernet encryption key of network. Leaving as None will disable network-level encryption
:server_port Port to listen on
:advertise_port Port to advertise on. Should be shared across a network
:broadcast_interval Time between UDP advertisements
:bind_ip IP to bind to
)

Methods:

.serve() - Starts server in another thread
.shutdown() - Stops server
.send(target: name of target peer, data: arbitrary data) - Send data to node

Notes:

Probably don't use this, it's extremely raw
Make sure you use encryption
onmessage should be a function that takes 1 argument

Advanced Node
Node(
:name Unique name within network - Should not use | or @
:network_id ID of network to listen to - Should not use |
:crypt Crypt object or None. If None, auto-generates object.
:network_key Fernet encryption key of network. Leaving as None will disable network-level encryption
:server_port Port to listen on
:advertise_port Port to advertise on. Should be shared across a network
:broadcast_interval Time between UDP advertisements
:bind_ip IP to bind to
:chunk_size Size of chunks in transmissions. Default 16KB should be fine
:functions Dictionary of function name: function
)

Methods:

@.register(function_name: name of function) - Decorate functions with this to register them in the node. They should take 3 arguments:

Node instance
Originator node name
A readable stream

The function should then return a readable stream.

.send() - Replaces Node.send

.send(
target: either a target peer name, "*" for all known peers, or a list of peer names)
command: command name
data: An open file object, readable stream, or bytes

All other Node methods

CommandNode
Node(
:name Unique name within network - Should not use | or @
:network_id ID of network to listen to - Should not use |
:crypt Crypt object or None. If None, auto-generates object.
:network_key Fernet encryption key of network. Leaving as None will disable network-level encryption
:server_port Port to listen on
:advertise_port Port to advertise on. Should be shared across a network
:broadcast_interval Time between UDP advertisements
:bind_ip IP to bind to
:chunk_size Size of chunks in transmissions. Default 16KB should be fine
:functions Dictionary of function name: function
)

Methods:

@.register(function_name: name of function) - Decorate functions with this to register them in the node. They should be of the following form:
function(node: CommandNode, originator: str, *args, **kwargs) -> Any JSON Encodable

Sending commands:

node.target("target or * or [targets]").<function name>(*args, **kwargs)

Notes:

Nodes implement get_funcs and get_peers calls automatically. Good for determining network topology.