# SETUP ############################################################################### # Define the common parameters from the config file ACTIVEHOSTSFILE = config.activehostsfile OPLOG = config.oplog chunkPort = config.port # Initiallize an instance of the API, to be used for chunk replication api = API.API() # Initialize an instance of the heartBeat, to be used for ensuring connection # to chunkserver is actually active. hB = heartBeat.heartBeat() ############################################################################### # OBJECT DEFINITIONS ############################################################################### # The file object is stored in the data dictionary, keyed to its associated # fileName. The object holds its fileName, a delete flag, and a dictionary of # the chunks associated with it, where the chunk handle is the key, and the # chunk object is the value. class File: def __init__(self, name):
# As this does not need to be run continuously, we can define
# how often we wish to run it.
time.sleep(30)
#######################################################################
# MAIN
#######################################################################
# Initiate an instance of the database
database = db.Database()
# Initiate an instance of the heartBeat
heartBeat = hB.heartBeat()
if __name__ == "__main__":
# Define the paths of the host file, activehost file from the config file, and
# define the port to be used, also from the config file
HOSTSFILE = config.hostsfile
ACTIVEHOSTSFILE = config.activehostsfile
chunkPort = config.port
EOT = config.eot
# Define a thread lock to be used to get and increment chunk handles
threadLock = threading.Lock()
# Run the heartBeat to make sure there is an up-to-date activehosts.txt file
heartBeat.pumpBlood()
###############################################################################
# SETUP
###############################################################################
# Define the common parameters from the config file
ACTIVEHOSTSFILE = config.activehostsfile
OPLOG = config.oplog
chunkPort = config.port
# Initiallize an instance of the API, to be used for chunk replication
api = API.API()
# Initialize an instance of the heartBeat, to be used for ensuring connection
# to chunkserver is actually active.
hB = heartBeat.heartBeat()
###############################################################################
# OBJECT DEFINITIONS
###############################################################################
# The file object is stored in the data dictionary, keyed to its associated
# fileName. The object holds its fileName, a delete flag, and a dictionary of
# the chunks associated with it, where the chunk handle is the key, and the
# chunk object is the value.
class File:
def __init__(self, name):
self.fileName = name
# As this does not need to be run continuously, we can define
# how often we wish to run it.
time.sleep(30)
#######################################################################
# MAIN
#######################################################################
# Initiate an instance of the database
database = db.Database()
# Initiate an instance of the heartBeat
heartBeat = hB.heartBeat()
if __name__ == "__main__":
# Define the paths of the host file, activehost file from the config file, and
# define the port to be used, also from the config file
HOSTSFILE = config.hostsfile
ACTIVEHOSTSFILE = config.activehostsfile
chunkPort = config.port
EOT = config.eot
# Define a thread lock to be used to get and increment chunk handles
threadLock = threading.Lock()
# Run the heartBeat to make sure there is an up-to-date activehosts.txt file
heartBeat.pumpBlood()
