def get_file_chunks(filename, chunk_size):
with open(filename, 'rb') as f:
while True:
piece = f.read(chunk_size)
if len(piece) == 0:
return
yield chunk_pb2.Chunk(buffer=piece)
def get_file_chunks(filename):
with open(filename, 'rb') as f:
count = 0
while True:
print("get file chunk : %d" % count)
count = count + 1
piece = f.read(CHUNK_SIZE)
if len(piece) == 0:
return
yield chunk_pb2.Chunk(buffer=piece)
def get_file_chunks(filename):
# rb -> Abre um arquivo para leitura apenas em formato binário.
# rb + -> Abre um arquivo para leitura e gravação em formato binário.
# ab + -> Abre um arquivo para anexar e ler em formato binário.
with open(filename, 'rb') as f:
while True:
piece = f.read(CHUNK_SIZE)
tac = time.perf_counter()
print(f"Lendo as Partes: ->> {tac:0.4f}")
if len(piece) == 0:
return
yield chunk_pb2.Chunk(buffer=piece)
stream_of_bytes_chunks)
assert send_node.hash_id_exists_in_memory(
hash_id) == True # it should exist
print("\nSize available in bytes ",
send_node.get_node_available_memory_bytes())
print("Hashes saved so far: ")
# for hash_ in send_node.get_node_stored_hashes_list_iterator():
# print(hash_.hash_id)
# download file request
stream_of_bytes_chunks_downloaded = send_node.download_chunk_stream(
hash_id)
output_path = "data/test_out.txt"
save_chunks_to_file(output_path, stream_of_bytes_chunks_downloaded)
######### send (upload) string request as 1 chunk of bytes #######
message = "Hello my name is Gash".encode()
message_chunk_bytes = chunk_pb2.Chunk(buffer=message)
message_id = "1223"
hash_id = hashlib.sha1(message_id.encode()).hexdigest()
send_node.upload_single_chunk(hash_id, chunk_size, message_chunk_bytes)
# download file request
stream_of_bytes_chunks_downloaded = send_node.download_chunk_stream(
hash_id)
output_path = "data/test_out3.txt"
save_chunks_to_file(output_path, stream_of_bytes_chunks_downloaded)
