def local2RemoteTime(self,local_time=None):
"""
Converts a local time (sec.msec format) to the corresponding remote
computer time, using the current offset and drift measures.
"""
if local_time is None:
local_time=Computer.currentSec()
return self.getDrift()*local_time+self.getOffset()
def local2RemoteTime(self, local_time=None):
"""
Converts a local time (sec.msec format) to the corresponding remote
computer time, using the current offset and drift measures.
"""
if local_time is None:
local_time = Computer.currentSec()
return self.getDrift() * local_time + self.getOffset()
def test_getTime(self):
ta = Computer.currentSec()
tb = Computer.currentTime()
tc = Computer.getTime()
tp = getTime()
assert ta < tb < tc < tp
assert tp - ta < 0.002
def sync(self):
sync_count = self.sync_batch_size
sync_data = [
'SYNC_REQ',
]
feed = self.feed
unpack = self.unpack
pack = self.pack
recvfrom = self.sock.recvfrom
rcvBufferLength = self._rcvBufferLength
remote_address = self.remote_iohub_address
sendto = self.sock.sendto
min_delay = 1000.0
min_local_time = 0.0
min_remote_time = 0.0
for s in xrange(sync_count):
# send sync request
sync_start = Computer.currentSec()
sendto(pack(sync_data), remote_address)
sync_start2 = Computer.currentSec()
# get reply
feed(recvfrom(rcvBufferLength)[0])
sync_rep, remote_time = unpack()
sync_end = Computer.currentSec()
rtt = sync_end - (sync_start + sync_start2) / 2.0
old_delay = min_delay
min_delay = min(min_delay, rtt)
if old_delay != min_delay:
min_local_time = (sync_end + sync_start) / 2.0
min_remote_time = remote_time
return min_delay, min_local_time, min_remote_time
def sync(self):
sync_count=self.sync_batch_size
sync_data=['SYNC_REQ',]
feed=self.feed
unpack=self.unpack
pack=self.pack
recvfrom=self.sock.recvfrom
rcvBufferLength=self._rcvBufferLength
remote_address=self.remote_iohub_address
sendto=self.sock.sendto
min_delay=1000.0
min_local_time=0.0
min_remote_time=0.0
for s in range(sync_count):
# send sync request
sync_start=Computer.currentSec()
sendto(pack(sync_data),remote_address)
sync_start2=Computer.currentSec()
# get reply
feed(recvfrom(rcvBufferLength)[0])
sync_rep,remote_time=unpack()
sync_end=Computer.currentSec()
rtt=sync_end-(sync_start+sync_start2)/2.0
old_delay=min_delay
min_delay=min(min_delay,rtt)
if old_delay!=min_delay:
min_local_time=(sync_end+sync_start)/2.0
min_remote_time=remote_time
return min_delay, min_local_time, min_remote_time
def test_getTime(self):
ta = Computer.currentSec()
tb = Computer.currentTime()
tc = Computer.getTime()
tp = getTime()
assert ta <= tb <= tc <= tp
assert tp - ta < 0.002
ta = getTime()
tb = self.io.getTime()
tc = self.io.getTime()
tp = getTime()
assert ta <= tb <= tc <= tp
assert tp - ta < 0.01
def test_getTime(self):
ta = Computer.currentSec()
tb = Computer.currentTime()
tc = Computer.getTime()
tp = getTime()
assert ta <= tb <= tc <= tp
assert tp - ta < 0.002
ta = getTime()
tb = self.io.getTime()
tc = self.io.getTime()
tp = getTime()
assert ta <= tb <= tc <= tp
assert tp - ta < 0.01
