def send_chunks(self, path,replication_degree):
f = File(path)
data = Data(self.db_path)
if (not data.get_file_id(path)):
data.add_file(path)
chunks_number = f.generate_chunks(self.temp_dir)
file_id=f.generate_file_id()
date = f.get_modification_date()
data.add_modification(path, file_id, chunks_number, date)
chunks=f.fetch_chunks(self.temp_dir)
acks_chunks=0
for j in range(len(chunks)):
chunk_file = open(self.temp_dir +chunks[j], "rb")
body=chunk_file.read()
chunk_file.close()
replication_degree=str(replication_degree)
chunk_no=str(j)
message="PUTCHUNK " + VERSION + " " + file_id + " " + chunk_no + " " + replication_degree + CRLF + CRLF + body
acks=False
attempts=0
timeout=TIMEOUT
while(not acks and attempts<MAX_ATTEMPTS):
self.mdb.sendto(message, (self.mdb_address, self.mdb_port))
data.add_chunk(file_id, chunk_no, replication_degree)
if(self.check_replication_degree(file_id,chunk_no,replication_degree,timeout)):
acks=True
timeout*=2
attempts+=1
if(acks): acks_chunks+=1
self.remove_chunks_from_directory(f.get_name(),self.temp_dir)
return (acks_chunks>=chunks_number)
