Added client.py

1 files changed, 23 insertions, 0 deletions

diff --git a/packet.py b/packet.py
new file mode 100644
index 0000000..951425c
--- /dev/null
+++ b/packet.py
@@ -0,0 +1,23 @@
+#Simple packet type for the simple protocol
+
+import struct
+
+class Packet(object):
+	def __init__(self, cmd, *data):
+		self.cmd = cmd
+		self.data = data
+		if len(data) >= 8:
+			raise ValueError('Too many data')
+		self.data = list(self.data) + [0] * (8-len(self.data))
+        @classmethod
+        def FromStr(cls, s):
+            parts = struct.unpack('>9L', s)
+            return cls(parts[0], *parts[1:])
+	def __str__(self):
+		return struct.pack('>L'+('L'*len(self.data)), self.cmd, *self.data)
+
+class CMD:
+	KA = 0 # No important data
+	PING = 1 # Data are echoed exactly
+	QUIT = 2 # No important data
+	PLAY = 3 # seconds, microseconds, frequency (Hz), amplitude (0-255)