def manageFileBlock(self, fileblockName, maxFiles = 100, maxSize = None):
"""
_manageFileBlock_
Check to see wether the fileblock with the provided name
is closeable based on number of files or total size.
If the block equals or exceeds wither the maxFiles or maxSize
parameters, close the block and return True, else do nothing and
return False
"""
# //
# // Check that the block exists, and is open before we close it
#//
blockInstance = self.dbs.listBlocks(block_name=fileblockName)
if len(blockInstance) > 1:
msg = "Multiple Blocks matching name: %s\n" % fileblockName
msg += "Unable to manage file block..."
raise DBSWriterError(msg)
if len(blockInstance) == 0:
msg = "Block name %s not found\n" % fileblockName
msg += "Cant manage a non-existent fileblock"
raise DBSWriterError(msg)
blockInstance = blockInstance[0]
isClosed = blockInstance.get('OpenForWriting', '1')
if isClosed == "0":
msg = "Block %s already closed" % fileblockName
logging.warning(msg)
return False
# //
# // We have an open block, sum number of files and file sizes
#//
fileCount = float(blockInstance.get('NumberOfFiles', 0))
totalSize = float(blockInstance.get('BlockSize', 0))
msg = "Fileblock: %s\n ==> Size: %s Files: %s\n" % (
fileblockName, totalSize, fileCount)
logging.warning(msg)
# //
# // Test close block conditions
#//
closeBlock = False
if fileCount >= maxFiles:
closeBlock = True
msg = "Closing Block Based on files: %s" % fileblockName
logging.debug(msg)
if maxSize != None:
if totalSize >= maxSize:
closeBlock = True
msg = "Closing Block Based on size: %s" % fileblockName
logging.debug(msg)
if closeBlock:
# //
# // Close the block
#//
self.dbs.closeBlock(
DBSWriterObjects.createDBSFileBlock(fileblockName)
)
return closeBlock
def manageFileBlock(self, fileblockName, maxFiles=100, maxSize=None):
"""
_manageFileBlock_
Check to see wether the fileblock with the provided name
is closeable based on number of files or total size.
If the block equals or exceeds wither the maxFiles or maxSize
parameters, close the block and return True, else do nothing and
return False
"""
# //
# // Check that the block exists, and is open before we close it
#//
blockInstance = self.dbs.listBlocks(block_name=fileblockName)
if len(blockInstance) > 1:
msg = "Multiple Blocks matching name: %s\n" % fileblockName
msg += "Unable to manage file block..."
raise DBSWriterError(msg)
if len(blockInstance) == 0:
msg = "Block name %s not found\n" % fileblockName
msg += "Cant manage a non-existent fileblock"
raise DBSWriterError(msg)
blockInstance = blockInstance[0]
isClosed = blockInstance.get('OpenForWriting', '1')
if isClosed == "0":
msg = "Block %s already closed" % fileblockName
logging.warning(msg)
return False
# //
# // We have an open block, sum number of files and file sizes
#//
fileCount = float(blockInstance.get('NumberOfFiles', 0))
totalSize = float(blockInstance.get('BlockSize', 0))
msg = "Fileblock: %s\n ==> Size: %s Files: %s\n" % (
fileblockName, totalSize, fileCount)
logging.warning(msg)
# //
# // Test close block conditions
#//
closeBlock = False
if fileCount >= maxFiles:
closeBlock = True
msg = "Closing Block Based on files: %s" % fileblockName
logging.debug(msg)
if maxSize != None:
if totalSize >= maxSize:
closeBlock = True
msg = "Closing Block Based on size: %s" % fileblockName
logging.debug(msg)
if closeBlock:
# //
# // Close the block
#//
self.dbs.closeBlock(
DBSWriterObjects.createDBSFileBlock(fileblockName))
return closeBlock
