Script execution
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@@ -1,4 +1,4 @@
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import threading
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class RobotTCP(TcpDevice, Stoppable):
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def __init__(self, name, server, timeout = 500, retries = 1):
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@@ -17,26 +17,31 @@ class RobotTCP(TcpDevice, Stoppable):
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self.empty = None
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self.working_mode = None
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self.status = None
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self.lock = threading.Lock()
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def _sendReceive(self, msg_id, msg = ""):
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self.lock.acquire()
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try:
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tx = self.header if (self.header != None) else ""
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tx = tx + msg_id + " " + msg
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if (len(tx)>127):
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raise Exception("Exceeded maximum message size")
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self.getLogger().finer("TX = '" + str(tx)+ "'")
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if (self.trailer != None): tx = tx + self.trailer
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rx = self.sendReceive(tx, None, self.trailer , 0, self.timeout, self.retries)
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rx=rx[:-1] #Remove 0A
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self.getLogger().finer("RX = '" + str(rx) + "'")
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if rx[:3] != msg_id:
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print rx
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raise Exception("Received invalid message id: " + str(rx[:3]) + " - expecting:" + msg_id )
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if len(rx)<4:
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raise Exception("Invalid message size: " + str(len(rx)) )
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if rx[3] == "*":
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raise Exception(rx[4:])
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return rx[4:]
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finally:
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self.lock.release()
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def _sendReceive(self, msg_id, msg = ""):
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tx = self.header if (self.header != None) else ""
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tx = tx + msg_id + " " + msg
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if (len(tx)>127):
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raise Exception("Exceeded maximum message size")
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self.getLogger().finer("TX = '" + str(tx)+ "'")
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if (self.trailer != None): tx = tx + self.trailer
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rx = self.sendReceive(tx, None, self.trailer , 0, self.timeout, self.retries)
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rx=rx[:-1] #Remove 0A
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self.getLogger().finer("RX = '" + str(rx) + "'")
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if rx[:3] != msg_id:
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print rx
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raise Exception("Received invalid message id: " + str(rx[:3]) + " - expecting:" + msg_id )
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if len(rx)<4:
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raise Exception("Invalid message size: " + str(len(rx)) )
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if rx[3] == "*":
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raise Exception(rx[4:])
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return rx[4:]
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def call(self, msg):
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id = "%03d" % self.msg_id
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self.msg_id = (self.msg_id+1)%1000
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