def _scrape_http(self, retry_attempt=False):
tracker = self.serv_type + "://" + self.URL + "/scrape"
hashed = binascii.a2b_hex(self.info_hash)
hashed = urllib.quote_plus(hashed)
encoding = urllib.urlencode({ 'infohash' : self.info_hash})
url = tracker + "?info_hash=" + hashed
try:
txt = urlopen(url, timeout=10).read()
except URLError:
if(retry_attempt):
return None
else:
print("Error: Scrape of " + self.URL + ". Trying again...")
return self._scrape_http(True)
data = bencode.bdecode(txt)
return (util.dict_find("complete", data), util.dict_find("downloaded", data), util.dict_find("incomplete", data))
def _announce_http(self, num_want, retry_attempt=False):
tracker = self.serv_type + "://" + self.URL + ":" + str(self.port) +"/announce"
hashed = binascii.a2b_hex(self.info_hash)
hashed = urllib.quote_plus(hashed)
url = tracker + "?info_hash=" + hashed + "&peer_id=12345678987654321234&port=" + str(self.port) + "&uploaded=0&downloaded=0&left=0&compact=1&event=started&numwant=" + str(num_want)
try:
txt = urlopen(url, timeout=10).read()
except URLError:
if(retry_attempt):
print("Error, could not open URL " + url)
return None
else:
print("Error, cannot open URL " + url + ". Trying again...")
return self._announce_http(num_want, True)
data = bencode.bdecode(txt)
try:
if data["failure reason"]:
print("Error: HTTP server " + self.URL + " returned error '" + data["failure reason"] + "' on announce request.")
return None
except KeyError:
pass
peers = util.dict_find('peers', data)
index = 0
if(not peers == '' and (len(peers[index:(index + 4)]) == 4)):
peer_IPs = []
for i in range(0,num_want - 1):
try:
ip = socket.inet_ntoa(peers[index:(index + 4)])
#u_port = struct.unpack(">H", res[index + 4: index + 6])
peer_IPs.append(ip)
index += 6
except socket.error:
return None
else:
return None
return peer_IPs
