def gatewayLogin(gatewayIP, gatewayPort):
# cut/paste from python manual
tcpSock = None
for res in socket.getaddrinfo(gatewayIP, gatewayPort, socket.AF_UNSPEC,
socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
try:
tcpSock = socket.socket(af, socktype, proto)
except OSError as msg:
tcpSock = None
continue
try:
tcpSock.connect(sa)
except OSError as msg:
tcpSock.close()
tcpSock = None
continue
break
if tcpSock is None:
sys.stderr.write(
"ERROR: {}: Could not open socket to gateway host.\n".format(me))
sys.exit(10)
#with tcpSock:
# get the gateway's attention. The Protocol_Document.pdf explains how, not why.
connectString = b'CONNECTSERVERHOST\r\n\r\n' # not a string...
tcpSock.sendall(connectString)
# the gateway does not respond to the connect message. don't wait for something here because you aren't going to get it
# tx/rx challenge (?) (gateway returns its mac address in the form 01-23-45-AB-CD-EF)
# why? dunno.
tcpSock.sendall(makeMessage(code.CHALLENGE_QUERY))
data = tcpSock.recv(48)
if not data:
sys.stderr.write("WARNING: {}: no {} data received.\n".format(
me, "CHALLENGE_ANSWER"))
rcvcode, data = decodeMessage(data)
if (rcvcode != code.CHALLENGE_ANSWER):
sys.stderr.write("WARNING: {}: rcvCode2({}) != {}.\n".format(
me, CHALLENGE_ANSWER))
sys.exit(10)
# now that we've "connected" and "challenged," we can "login." None of these things
# actually do anything, but they are required.
msg = createLoginMessage()
tcpSock.sendall(makeMessage(code.LOCALLOGIN_QUERY, msg))
data = tcpSock.recv(48)
if not data:
sys.stderr.write("WARNING: {}: no {} data received.\n".format(
me, "LOCALLOGIN_ANSWER"))
rcvCode, data = decodeMessage(data)
if (rcvCode != code.LOCALLOGIN_ANSWER):
sys.stderr.write("WARNING: {}: rcvCode({}) != {}.\n".format(
me, rcvCode, code.LOCALLOGIN_ANSWER))
sys.exit(10)
# response should be empty
return tcpSock
def queryStatus(gatewaySocket, data):
# get pool status
gatewaySocket.sendall(
makeMessage(code.POOLSTATUS_QUERY, struct.pack("<I", 0)))
rcvcode, buff = decodeMessage(gatewaySocket.recv(480))
if (rcvcode != code.POOLSTATUS_ANSWER):
sys.stderr.write("WARNING: {}: rcvCode({}) != {}.\n".format(
me, rcvCode, code.POOLSTATUS_ANSWER))
sys.exit(11)
return gateway.decodeStatusAnswer.decodeStatusAnswer(buff, data)
def queryConfig(gatewaySocket, data):
#get controler config
gatewaySocket.sendall(
makeMessage(code.CTRLCONFIG_QUERY, struct.pack("<2I", 0, 0)))
rcvcode, buff = decodeMessage(gatewaySocket.recv(1024))
if (rcvcode != code.CTRLCONFIG_ANSWER):
sys.stderr.write("WARNING: {}: rcvCode({}) != {}.\n".format(
me, rcvcode, code.CTRLCONFIG_ANSWER))
sys.exit(11)
return gateway.decodeConfigAnswer.decodeConfigAnswer(buff, data)
def queryButtonPress(gatewaySocket, circuitID, circuitState):
gatewaySocket.sendall(
makeMessage(code.BUTTONPRESS_QUERY,
struct.pack("<III", 0, circuitID, circuitState)))
rcvcode, buff = decodeMessage(gatewaySocket.recv(480))
if (rcvcode != code.BUTTONPRESS_ANSWER):
sys.stderr.write("WARNING: {}: rcvCode({}) != {}.\n".format(
me, rcvCode, code.BUTTONPRESS_ANSWER))
sys.exit(11)
print(rcvcode)
return True
def queryGateway(gatewaySocket):
# send a simple query and print the response, no advanced decoding required.
gatewaySocket.sendall(makeMessage(code.VERSION_QUERY))
data = gatewaySocket.recv(480)
if not data:
sys.stderr.write("WARNING: {}: no {} data received.\n".format(
me, "VERSION_ANSWER"))
rcvcode, buff = decodeMessage(data)
if (rcvcode != code.VERSION_ANSWER):
sys.stderr.write("WARNING: {}: rcvCode({}) != {}.\n".format(
me, rcvCode2, code.VERSION_ANSWER))
sys.exit(10)
return getMessageString(buff)