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support 32-bit timestamps

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This commit is contained in:
David Rose 2003-07-15 21:08:29 +00:00
parent 5e82884821
commit a54fb260f1
1 changed files with 19 additions and 4 deletions
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23
direct/src/distributed/ClockDelta.py
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@ -68,7 +68,7 @@ class ClockDelta(DirectObject.DirectObject):
### Primary interface functions ### ### Primary interface functions ###
def networkToLocalTime(self, networkTime, now = None): def networkToLocalTime(self, networkTime, now = None, bits = 16):
"""networkToLocalTime(self, int networkTime) """networkToLocalTime(self, int networkTime)
Converts the indicated networkTime to the corresponding Converts the indicated networkTime to the corresponding
@ -89,18 +89,33 @@ class ClockDelta(DirectObject.DirectObject):
# The signed difference between these is the number of units # The signed difference between these is the number of units
# of NetworkTimePrecision by which the network time differs # of NetworkTimePrecision by which the network time differs
# from 'now'. # from 'now'.
diff = self.__signExtend(networkTime - ntime) if bits == 16:
diff = self.__signExtend(networkTime - ntime)
else:
# Assume the bits is either 16 or 32. If it's 32, no need
# to sign-extend. 32 bits gives us about 227 days of
# continuous timestamp.
diff = networkTime - ntime
return now + float(diff) / NetworkTimePrecision return now + float(diff) / NetworkTimePrecision
def localToNetworkTime(self, localTime): def localToNetworkTime(self, localTime, bits = 16):
"""localToNetworkTime(self, float localTime) """localToNetworkTime(self, float localTime)
Converts the indicated localTime to the corresponding Converts the indicated localTime to the corresponding
networkTime value. networkTime value.
""" """
ntime = int(math.floor((localTime - self.delta) * NetworkTimePrecision + 0.5)) ntime = int(math.floor((localTime - self.delta) * NetworkTimePrecision + 0.5))
return self.__signExtend(ntime) if bits == 16:
return self.__signExtend(ntime)
else:
# Assume the bits is either 16 or 32. If it's 32, no need
# to sign-extend. 32 bits gives us about 227 days of
# continuous timestamp.
return ntime
### Convenience functions ### ### Convenience functions ###