BeeWatch/lib/beewatch/server/__init__.py

#! /usr/bin/env python3.5
# Copyright 2017 Digital
#
# This file is part of BeeWatch.
#
# BeeWatch is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# BeeWatch is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with BeeWatch.  If not, see <http://www.gnu.org/licenses/>.

import curio
import blinker
import logging
import logging.handlers
import digilib.network
import os
import queue
import select
import socket
import sys
import threading
import time
import traceback

import digilib.pin
import digilib.network
import beewatch
import beewatch.pinapi

log = logging.getLogger(__name__+"")
lapi = logging.getLogger(__name__+".api")
lchat = logging.getLogger(__name__+".chat")
lserver = logging.getLogger(__name__+".server")

class BeeWatchServer(digilib.network.Server):
    """docstring for Server."""

    def __init__(self,*args,**kwargs):
        super(BeeWatchServer, self).__init__(
            *args,
            **kwargs,
            handler=beewatch.server.ConnHandlerBeeWatch,
        )

    def make_socket(self):
        s = super(BeeWatchServer,self).make_socket()
        s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        return s

class ConnHandlerBeeWatch(digilib.network.ConnHandlerBase):

    def __init__(self, socket, addr, server):
        super(ConnHandlerBeeWatch, self).__init__(socket, addr, server)
        self.engines_ctrl = beewatch._controllers["engines_ctrl"]
        # digilib.pin.EnginesController(
        #     left=[4,17],
        #     right=[27,22],
        # )
        self.text_to_func = {
            "turn":self.engines_ctrl.turn
        }

    def handle(self, data):
        data = data.strip()
        data = data.split(" ")
        cmd,*args = data
        kwargs = {"args":args,"command":cmd,"respond":self.respond}
        func = beewatch._commands.get(cmd,False)
        if func == False:
            self.respond("Unknown command")
            return
        try:
            retval = func(**kwargs)
            if hasattr(retval,"__await__"):
                lserver.debug("curio.spawn started")
                task = curio.spawn(retval)
                lserver.debug("curio.spawn finished")
        except Exception as e:
            lserver.error("Error while calling api func",exc_info=e)
            tb = traceback.format_exc()
            self.respond(tb)

    def respond(self,text,*args):
        self.send(text)

    def welcome_client(self):
        self.send("this is the server speaking, hello new client!")




































#