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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()
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