1 files changed, 154 insertions, 0 deletions
diff --git a/scripts/remote/messages.py b/scripts/remote/messages.py
new file mode 100644
index 0000000000..8e8495b12e
--- /dev/null
+++ b/scripts/remote/messages.py
@@ -0,0 +1,154 @@
+#!/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