def createNtTable(x):
nRows = x.getInt('nRows')
nColumns = x.getInt('nColumns')
print 'Creating table with %d rows and %d columns' % (nRows, nColumns)
ntTable = pvaccess.NtTable(nColumns, pvaccess.DOUBLE)
labels = []
for j in range(0, nColumns):
labels.append('Column%s' % j)
column = []
for i in range(0, nRows):
column.append(random.uniform(0, 1))
ntTable.setColumn(j, column)
ntTable.setLabels(labels)
ntTable.setDescriptor('Automatically created by RPC Server')
return ntTable
def createNtTable(x):
nRows = x.getInt('nRows')
nColumns = x.getInt('nColumns')
print('Creating table with %d rows and %d columns' % (nRows, nColumns))
ntTable = pvaccess.NtTable(nColumns, pvaccess.DOUBLE)
labels = []
for j in range(0, nColumns):
labels.append('Column%s' % j)
column = []
for i in range(0, nRows):
column.append(random.uniform(0, 1))
ntTable.setColumn(j, column)
timeStamp = ntTable.getTimeStamp()
timeStamp.setSecondsPastEpoch(123456)
timeStamp.setNanoseconds(123)
timeStamp.setUserTag(11)
ntTable.setLabels(labels)
ntTable.setDescriptor('Automatically created by RPC Server')
return ntTable
def monitor(pvObject):
ntTable = pvaccess.NtTable(pvObject)
print("Full NT Table")
print(ntTable)
print("Column 0:")
print(ntTable.getColumn(0))
#!/usr/bin/env python
import pvaccess
import random
rpc = pvaccess.RpcClient('createNtTable')
request = pvaccess.PvObject({'nRows' : pvaccess.INT, 'nColumns' : pvaccess.INT})
request.set({'nRows' : 10, 'nColumns' : 10})
print "Sending request for createNtTable:"
print request
print "Got response:"
response = rpc.invoke(request)
print response
print "Converting to NtTable:"
ntTable = pvaccess.NtTable(response)
print ntTable
print "Get column 3:"
print ntTable.getColumn(3)
print "Get descriptor:"
print ntTable.getDescriptor()
def monitor(pvObject):
ntTable = pvaccess.NtTable(pvObject)
print "Full NT Table"
print ntTable
print "Column 0:"
print ntTable.getColumn(0)
def table(x):
ntTable = pvaccess.NtTable(x)
col1 = ntTable.getColumn(1)
print "server got column 1"
r = pvaccess.PvString('abcd')
return r