LNXSDK/leenkx/blender/lnx/logicnode/custom/LN_create_leenkx.py

from lnx.logicnode.lnx_nodes import *

class CreateLeenkxNode(LnxLogicTreeNode):
    """Create Leenkx"""
    bl_idname = 'LNCreateLeenkxNode'
    bl_label = 'Create Leenkx'
    bl_description = ('Open a Leenkx peer connection on the given swarm identifier')
    lnx_category = 'Leenkx'
    lnx_version = 1

    def update_sockets(self, context):
        if not self.inputs:
            return
        links = {}
        for socket in self.inputs:
            for link in socket.links:
                links.setdefault(socket.name, []).append(
                    (link.from_node, link.from_socket))
        for socket in self.inputs[2:]:
            self.inputs.remove(socket)
        if (self.property0 == 'datachannel'
                and self.property2 != 'inherit'):
            self.add_input('LnxNodeSocketArray', 'ICE Servers')
        if self.property3 != 'inherit':
            self.add_input('LnxNodeSocketArray', 'Trackers')
        tree = self.id_data
        for socket in self.inputs:
            if socket.name in links:
                for from_node, from_socket in links[socket.name]:
                    tree.links.new(from_socket, socket)

    property0: HaxeEnumProperty('property0',
        items=[('wire', 'Wire', 'BitTorrent wire protocol transport (default)'),
               ('datachannel', 'DataChannel', 'WebRTC data channels for browser/krom peers - shows the ICE Servers input')],
        name='Transport', default='wire', update=update_sockets)

    property1: HaxeBoolProperty('property1',
        name='Gossip', description='Relay mode - forward messages to all connected peers', default=False)

    property2: HaxeEnumProperty('property2',
        items=[('inherit', 'Inherit', 'Use the built-in STUN server list; no ICE Servers input'),
               ('add', 'Add', 'Merge the ICE Servers input on top of the built-in STUN servers'),
               ('override', 'Override', 'Replace the ICE server list with the ICE Servers input')],
        name='ICE Servers', default='inherit', update=update_sockets)

    property3: HaxeEnumProperty('property3',
        items=[('inherit', 'Inherit', 'Use the project torrent tracker list; no Trackers input'),
               ('add', 'Add', 'Merge the Trackers input on top of the project tracker list'),
               ('override', 'Override', 'Replace the announce tracker list with the Trackers input')],
        name='Trackers', default='inherit', update=update_sockets)

    def lnx_init(self, context):
        self.add_input('LnxNodeSocketAction', 'In')
        self.add_input('LnxStringSocket', 'Channel', default_value='8001')
        if (self.property0 == 'datachannel'
                and self.property2 != 'inherit'):
            self.add_input('LnxNodeSocketArray', 'ICE Servers')
        if self.property3 != 'inherit':
            self.add_input('LnxNodeSocketArray', 'Trackers')

        self.add_output('LnxNodeSocketAction', 'Out')
        self.add_output('LnxDynamicSocket', 'Connection')
        self.add_output('LnxDynamicSocket', 'ID')

    def draw_buttons(self, context, layout):
        layout.prop(self, 'property0')
        layout.prop(self, 'property1')
        if self.property0 == 'datachannel':
            layout.prop(self, 'property2')
        layout.prop(self, 'property3')


def register():
    add_category('Leenkx', icon='ORIENTATION_CURSOR')
    CreateLeenkxNode.on_register()