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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, print_function
import struct
class BBType(object):
command = 1
command_return = 2
consolemsg = 3
ping = 4
pong = 5
getenv = 6
getenv_return = 7
fs = 8
fs_return = 9
class BBPacket(object):
def __init__(self, p_type=0, p_flags=0, payload="", raw=None):
self.p_type = p_type
self.p_flags = p_flags
if raw is not None:
self.unpack(raw)
else:
self.payload = payload
def __repr__(self):
return "BBPacket(%i, %i)" % (self.p_type, self.p_flags)
def _unpack_payload(self, data):
self.payload = data
def _pack_payload(self):
return self.payload
def unpack(self, data):
self.p_type, self.p_flags = struct.unpack("!HH", data[:4])
self._unpack_payload(data[4:])
def pack(self):
return struct.pack("!HH", self.p_type, self.p_flags) + \
self._pack_payload()
class BBPacketCommand(BBPacket):
def __init__(self, raw=None, cmd=None):
self.cmd = cmd
super(BBPacketCommand, self).__init__(BBType.command, raw=raw)
def __repr__(self):
return "BBPacketCommand(cmd=%r)" % self.cmd
def _unpack_payload(self, payload):
self.cmd = payload
def _pack_payload(self):
return self.cmd
class BBPacketCommandReturn(BBPacket):
def __init__(self, raw=None, exit_code=None):
self.exit_code = exit_code
super(BBPacketCommandReturn, self).__init__(BBType.command_return,
raw=raw)
def __repr__(self):
return "BBPacketCommandReturn(exit_code=%i)" % self.exit_code
def _unpack_payload(self, data):
self.exit_code, = struct.unpack("!L", data[:4])
def _pack_payload(self):
return struct.pack("!L", self.exit_code)
class BBPacketConsoleMsg(BBPacket):
def __init__(self, raw=None, text=None):
self.text = text
super(BBPacketConsoleMsg, self).__init__(BBType.consolemsg, raw=raw)
def __repr__(self):
return "BBPacketConsoleMsg(text=%r)" % self.text
def _unpack_payload(self, payload):
self.text = payload
def _pack_payload(self):
return self.text
class BBPacketPing(BBPacket):
def __init__(self, raw=None):
super(BBPacketPing, self).__init__(BBType.ping, raw=raw)
def __repr__(self):
return "BBPacketPing()"
class BBPacketPong(BBPacket):
def __init__(self, raw=None):
super(BBPacketPong, self).__init__(BBType.pong, raw=raw)
def __repr__(self):
return "BBPacketPong()"
class BBPacketGetenv(BBPacket):
def __init__(self, raw=None, varname=None):
self.varname = varname
super(BBPacketGetenv, self).__init__(BBType.getenv, raw=raw)
def __repr__(self):
return "BBPacketGetenv(varname=%r)" % self.varname
def _unpack_payload(self, payload):
self.varname = payload
def _pack_payload(self):
return self.varname
class BBPacketGetenvReturn(BBPacket):
def __init__(self, raw=None, text=None):
self.text = text
super(BBPacketGetenvReturn, self).__init__(BBType.getenv_return,
raw=raw)
def __repr__(self):
return "BBPacketGetenvReturn(varvalue=%s)" % self.text
def _unpack_payload(self, payload):
self.text = payload
def _pack_payload(self):
return self.text
class BBPacketFS(BBPacket):
def __init__(self, raw=None, payload=None):
super(BBPacketFS, self).__init__(BBType.fs, payload=payload, raw=raw)
def __repr__(self):
return "BBPacketFS(payload=%r)" % self.payload
class BBPacketFSReturn(BBPacket):
def __init__(self, raw=None, payload=None):
super(BBPacketFSReturn, self).__init__(BBType.fs_return, payload=payload, raw=raw)
def __repr__(self):
return "BBPacketFSReturn(payload=%r)" % self.payload
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