minimal version of PacketLogger format dumper

tools/dump_pklg.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+# BlueKitchen GmbH (c) 2014
+
+# primitive dump for PacketLogger format
+
+# APPLE PacketLogger
+# typedef struct {
+# 	uint32_t	len;
+# 	uint32_t	ts_sec;
+# 	uint32_t	ts_usec;
+# 	uint8_t		type;   // 0xfc for note
+# }
+
+import re
+import sys
+import time
+import datetime
+
+packet_types = [ "CMD =>", "EVT <=", "ACL =>", "ACL <="]
+
+def read_net_32(f):
+    a = f.read(1)
+    b = f.read(1)
+    c = f.read(1)
+    d = f.read(1)
+    return ord(a) << 24 | ord(b) << 16 | ord(c) << 8 | ord(d)
+
+def as_hex(data):
+	str_list = []
+	for byte in data:
+	    str_list.append("{0:02x} ".format(ord(byte)))
+	return ''.join(str_list)
+
+if len(sys.argv) == 1:
+	print 'Dump PacketLogger file'
+	print 'Copyright 2014, BlueKitchen GmbH'
+	print ''
+	print 'Usage: ', sys.argv[0], 'hci_dump.pklg'
+	exit(0)
+
+infile = sys.argv[1]
+
+with open (infile, 'rb') as fin:
+	try:
+		while True:
+			len     = read_net_32(fin)
+			ts_sec  = read_net_32(fin)
+			ts_usec = read_net_32(fin)
+			type    = ord(fin.read(1))
+			packet_len = len - 9;
+			packet  = fin.read(packet_len)
+			time    = "[%s.%03u]" % (datetime.datetime.fromtimestamp(ts_sec).strftime("%Y-%m-%d %H:%M:%S"), ts_usec / 1000)
+			if type == 0xfc:
+				print time, "LOG", packet
+				continue
+			if type <= 0x03:
+				print time, packet_types[type], as_hex(packet)
+	except TypeError:
+		exit(0) 
+