def main():
if len(sys.argv) != 4:
print "Invalid arguments."
print "USAGE: FxA-server X A P"
print "X: the port number at which the fxa-server's UDP socket should bind to" \
"Please remember that this port number should be an odd number."
print "A: the IP address of NetEmu"
print "P: the UDP port number of NetEmu"
sys.exit(0)
# check if valid port
if int(sys.argv[1]) % 2 != 1 or not (1024 <= int(sys.argv[1]) <= 65535):
print "Invalid port. The port number must be odd and between 1024 and 65535."
sys.exit(0)
server_udp_port = sys.argv[1]
net_emu_ip = sys.argv[2]
net_emu_udp_port = sys.argv[3]
window = int(raw_input("Enter a window size W: "))
debugger = int(raw_input("Enable debugger? (1 or 0) "))
print "Use 'ctrl + c' to terminate."
# set up server socket
socket = RxPSocket(window_size=int(window), debugging=debugger)
socket.bind(("", int(server_udp_port)))
# trigger socket to begin accepting client sockets
socket.accept()
destination = socket.destination # ??
print "Client session initialized; accepting client requests."
while True:
message = socket.recv()
print "connection status is: ", socket.cxn_status
if socket.cxn_status == "no_conn":
socket.accept()
pass
else:
if "get" in message:
print "Accepted file request: " + message
if message == '':
pass
if not os.path.isfile(str(os.getcwd() + "/" + message)):
print "Tried to get file from: ", str(os.getcwd() + "/" + message)
print "Sorry, the file requested does not exist!"
pass
try:
message = message.split()
if message[0] == "post" and len(message) > 1:
read_val = socket.recv()
message = message[1].split('.')
filename = message[0] + "__copy." + message[1]
i = 0
while os.path.isfile(filename):
i += 1
filename = "%s__copy(%d).%s" % (message[0], i, message[1])
f = open(filename, 'w')
f.write(read_val)
print "Saved file as: " + filename
f.close()
else:
message = message[0]
try:
f = open(message, 'r')
contents = f.read()
print "Streaming contents of file requested."
socket.send(contents)
f.close()
except:
print "No file to stream. Letting client know."
socket.send("ERR:FILE_NOT_FOUND")
pass
# raw_input("Press enter to accept more connections.") # ??
except:
pass
def main():
if len(sys.argv) != 4:
print "Invalid arguments."
print "Command-line: FxA-client X A P."
print "X: The port that the FxA-client's UDP socket port should bind to. " \
"Please remember that this port number should be equal to the server's " \
"port number minus 1."
print "A: The IP address of NetEmu."
print "P: The UDP port number of NetEmu."
sys.exit(0)
# check if valid port
if int(sys.argv[1]) % 2 != 0 or not (1024 <= int(sys.argv[1]) <= 65535):
print "Invalid port. The port number must be even and between 1024 and 65535."
sys.exit(0)
# get params
client_udp_port = sys.argv[1]
net_emu_ip = sys.argv[2]
net_emu_udp_port = sys.argv[3]
window = int(raw_input("Enter a window size W: "))
debugger = int(raw_input("Enable debugger? (1 or 0) "))
# set up client socket
socket = RxPSocket(window, debugging=debugger)
socket.bind(("0.0.0.0", int(client_udp_port)))
# connect socket
socket.connect((str(net_emu_ip), int(net_emu_udp_port)))
while True:
command = raw_input("Enter a command (get F, post F, disconnect): ")
command = command.split()
if len(command) > 1:
target = __dequote(command[1])
if len(command) > 2 or len(command) == 0:
print "Invalid number of parameters. Please check your command."
elif command[0] == "disconnect":
if len(command) == 1:
# disconnect from server
socket.close()
sys.exit(0)
else:
print "Invalid number of parameters. Please check your command."
elif command[0] == "get":
socket.send(target)
print "Sending request to get the file: " + target
read_val = socket.recv()
if read_val == "ERR:FILE_NOT_FOUND":
print target + " not found."
else:
print "Received file contents."
target = target.split('.')
filename = target[0] + "__copy." + target[1]
i = 0
while os.path.isfile(filename):
i += 1
filename = "%s__copy(%d).%s" % (target[0], i, target[1])
f = open(filename, 'w')
f.write(read_val)
print "Saved file as: " + filename
f.close()
elif command[0] == "post":
if os.path.isfile(command[1]):
socket.send("post " + target)
print "Sending file send request: " + target
f = open(command[1], 'r')
contents = f.read()
socket.send(contents)
f.close()
else:
print "File not found to post!"
else:
print "Invalid command."