1 files changed, 60 insertions, 0 deletions
diff --git a/pybluez/advanced/l2-mtu.py b/pybluez/advanced/l2-mtu.py
new file mode 100644
index 0000000..1ffe04c
--- /dev/null
+++ b/pybluez/advanced/l2-mtu.py
@@ -0,0 +1,60 @@
+import sys
+import struct
+import bluetooth
+
+def usage():
+    print "usage: l2-mtu < server | client > [options]"
+    print ""
+    print "l2-mtu server            to start in server mode"
+    print "l2-mtu client <addr>     to start in client mode and connect to addr"
+    sys.exit(2)
+
+if len(sys.argv) < 2: usage()
+
+mode = sys.argv[1]
+if mode not in [ "client", "server" ]: usage()
+
+if mode == "server":
+    server_sock=bluetooth.BluetoothSocket( bluetooth.L2CAP )
+    server_sock.bind(("",0x1001))
+    server_sock.listen(1)
+    while True:
+        print "waiting for incoming connection"
+        client_sock,address = server_sock.accept()
+        print "Accepted connection from %s" % str(address)
+
+        bluetooth.set_l2cap_mtu( client_sock, 65535 )
+
+        print "waiting for data"
+        total = 0
+        while True:
+            try:
+                data = client_sock.recv(65535)
+            except bluetooth.BluetoothError, e:
+                break
+            if len(data) == 0: break
+            print "received packet of size %d" % len(data)
+
+        client_sock.close()
+
+        print "connection closed"
+
+    server_sock.close()
+else:
+    sock=bluetooth.BluetoothSocket(bluetooth.L2CAP)
+
+    bt_addr = sys.argv[2]
+    print "trying to connect to %s:1001" % bt_addr
+    port = 0x1001
+    sock.connect((bt_addr, port))
+
+    print "connected.  Adjusting link parameters."
+    bluetooth.set_l2cap_mtu( sock, 65535 )
+
+    totalsent = 0 
+    for i in range(1, 65535, 100):
+        pkt = "0" * i
+        sent = sock.send(pkt)
+        print "sent packet of size %d (tried %d)" % (sent, len(pkt))
+
+    sock.close()