trigbs_truncateEvents Namespace Reference

Functions
	readEvent (file)
	corruptEvent (event, badList)

Variables
	input_file = sys.argv[1]
	output_file = sys.argv[2]
	inFile = open(input_file, mode='rb')
	outFile = open(output_file, mode='wb')
int	cnt = 0
	binvalues = array.array('I')
	event = readEvent(inFile)
	corrupt = corruptEvent(event,[0x00100000,0x00350000])

Function Documentation

corruptEvent()

corruptEvent	(		event,
			badList )

Definition at line 22 of file trigbs_truncateEvents.py.

def corruptEvent(event,badList):
    newEvent=array.array('I')
    headerSize=event[4+2]
    robIdx=4+headerSize
    #copy header - we will adjust size at the end
    newEvent.fromlist(event.tolist()[0:robIdx])
    reducedWords=0
    while robIdx<len(event):
        rob=event[robIdx:robIdx+event[robIdx+1]]
        #corrupt rob
        id=rob[4]
        if (id >= badList[0]) and (id<=badList[1]):
            print('Found rob to be truncated: %08x - org length %d' % (id,len(rob)))
            if (len(rob)>50): #don't truncate basically empty fragments
                newrob=array.array('I',rob[0:len(rob)-20])
                reducedWords+=20
                newrob[1]-=20
                newrob[6]|=(1<<27)|8 #mark as truncated
                #make sure trailer is messed up
                newrob[-1]=0xfe77efdd
                newrob[-2]=0xfe77efdd
                newrob[-3]=0xfe77efdd
                rob=newrob
        else:
            print('good rob %08x' % id)
#        newEvent.fromlist(rob.tolist())
        newEvent.extend(rob)
        robIdx+=event[robIdx+1]
    newEvent[3]-=4*reducedWords
    newEvent[5]-=reducedWords
    return newEvent
 

readEvent()

readEvent

(

file

)

Definition at line 10 of file trigbs_truncateEvents.py.

def readEvent(file):
    event = array.array('I')
    event.read(file, 4)
    if event[0]!=0x1234cccc:
        inFile.seek(-16,1)
        return None
#    for val in event:
#        print '%08x' % val
 
    event.read(file, event[3]/4)
    return event
 

Variable Documentation

binvalues

trigbs_truncateEvents.binvalues = array.array('I')

Definition at line 63 of file trigbs_truncateEvents.py.

cnt

int trigbs_truncateEvents.cnt = 0

Definition at line 61 of file trigbs_truncateEvents.py.

corrupt

trigbs_truncateEvents.corrupt = corruptEvent(event,[0x00100000,0x00350000])

Definition at line 77 of file trigbs_truncateEvents.py.

event

trigbs_truncateEvents.event = readEvent(inFile)

Definition at line 71 of file trigbs_truncateEvents.py.

inFile

trigbs_truncateEvents.inFile = open(input_file, mode='rb')

Definition at line 57 of file trigbs_truncateEvents.py.

input_file

trigbs_truncateEvents.input_file = sys.argv[1]

Definition at line 54 of file trigbs_truncateEvents.py.

outFile

trigbs_truncateEvents.outFile = open(output_file, mode='wb')

Definition at line 58 of file trigbs_truncateEvents.py.

output_file

trigbs_truncateEvents.output_file = sys.argv[2]

Definition at line 55 of file trigbs_truncateEvents.py.