def transfer_file(self, share_ID, file_name, return_address, start_offset=0, end_offset=999999999999, block_skip=1):
"""Sends a piece of a file to a peer in pieces.
Initiated by JSONRPC: get_file()
start_offset: start sending file from this offset
end_offset: if this bytes is reached, send no more.
block_skip: send a block, then skip this many blocks, then send the next etc.
"""
#continue to send all file blocks
full_file_path = os.path.join(self.storage_directory, share_ID, file_name)
f = open(full_file_path, 'rb')
f.seek(start_offset)
block_size = 5
file_offset = start_offset
logging.debug('file_name: %s start_offset: %d, end_offset: %d' %(file_name, start_offset, end_offset))
while (file_offset < end_offset): #@TODO: stop sending if given signal from return_address
logging.debug('file_offset: %d' %(file_offset))
block_bytes = f.read(64*block_size)
if block_bytes == "":
logging.debug('no bytes read from file')
break
p_out_block = Packet()
p_out_block.json_RPC_object = dict(jsonrpc="2.0", method="save_file_block", params=[1.0, None, [self.my_machine_ID, share_ID, file_name, file_offset]], ) #id=rpc_id
p_out_block.binary_blob = block_bytes
p_out_block.to_address = return_address
self.send_block_choke(p_out_block, return_address, 3)
time.sleep(0.002)
file_offset+=block_size
logging.debug('finished file transfer')
f.close()
def transfer_file(self,
share_ID,
file_name,
return_address,
start_offset=0,
end_offset=999999999999,
block_skip=1):
"""Sends a piece of a file to a peer in pieces.
Initiated by JSONRPC: get_file()
start_offset: start sending file from this offset
end_offset: if this bytes is reached, send no more.
block_skip: send a block, then skip this many blocks, then send the next etc.
"""
#continue to send all file blocks
full_file_path = os.path.join(self.storage_directory, share_ID,
file_name)
f = open(full_file_path, 'rb')
f.seek(start_offset)
block_size = 5
file_offset = start_offset
logging.debug('file_name: %s start_offset: %d, end_offset: %d' %
(file_name, start_offset, end_offset))
while (file_offset < end_offset
): #@TODO: stop sending if given signal from return_address
logging.debug('file_offset: %d' % (file_offset))
block_bytes = f.read(64 * block_size)
if block_bytes == "":
logging.debug('no bytes read from file')
break
p_out_block = Packet()
p_out_block.json_RPC_object = dict(
jsonrpc="2.0",
method="save_file_block",
params=[
1.0, None,
[self.my_machine_ID, share_ID, file_name, file_offset]
],
) #id=rpc_id
p_out_block.binary_blob = block_bytes
p_out_block.to_address = return_address
self.send_block_choke(p_out_block, return_address, 3)
time.sleep(0.002)
file_offset += block_size
logging.debug('finished file transfer')
f.close()
