def download_file(cid, output=""):
"""
Pipline to download a file with the ipfs daemon
:param cid: file cid
:param output: destination folder
:return:
"""
# Let's reboot the daemon to clear stats and pending
kill_subprocess()
print("Subprocess killed")
time.sleep(1)
reset_ipfs()
print("IPFS Daemon (re)started")
time.sleep(4)
# Clear Cache
myUtils.post("repo/gc", json=False)
print("Cache clear!")
time.sleep(2)
# delete downloaded file
myUtils.rm(cid)
print("File Deleted!")
# Start download
current_app.config["cid"] = cid
command = "ipfs get -o {} {}".format(output, cid)
process = subprocess.Popen(command.split(), stdout=subprocess.PIPE)
current_app.config["process"] = process
return "started"
def get_peers():
"""
Get the list of connected peers
:return: list of peers' ID and IP addr
"""
# in CLI: ipfs swarm peers
peers = myUtils.post("swarm/peers")
return [[d['Peer'], myUtils.filter_ip(d['Addr'])] for d in peers["Peers"]]
def consult_ledger(peer_id):
"""
Get info about a peer checking the ledger
:param peer_id: Peer ID to check in the ledger
:return: [dataSent, dataReceived] in Bytes
"""
# in CLI: ipfs bitswap ledger <peerID>
ledger = myUtils.post("bitswap/ledger?arg={}".format(peer_id))
return [ledger["Sent"], ledger["Recv"]]
def get_file_size(cid):
"""
Get the file size given a cid
:param cid: file cid
:return: file size in Bytes
"""
# in CLI: ipfs object stat <cid>
stat = myUtils.post("object/stat?arg={}".format(cid))
if "CumulativeSize" in stat:
return int(stat["CumulativeSize"])-int(stat["BlockSize"])-int(stat["LinksSize"])
else:
return "Invalid Request"
def get_speed():
speeds = myUtils.post("stats/bw")
return [speeds["RateIn"], speeds["RateOut"]]