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Implement zlib streaming for the gateway.

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This commit is contained in:
Rapptz 2017-10-12 22:53:20 -04:00
parent 9b4a2dc7cb
commit 462191a08b
2 changed files with 26 additions and 6 deletions
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16
discord/gateway.py
View File

@ -186,6 +186,8 @@ class DiscordWebSocket(websockets.client.WebSocketClientProtocol):
# ws related stuff
self.session_id = None
self.sequence = None
self._zlib = zlib.decompressobj()
self._buffer = bytearray()
@classmethod
@asyncio.coroutine
@ -312,8 +314,18 @@ class DiscordWebSocket(websockets.client.WebSocketClientProtocol):
self._dispatch('socket_raw_receive', msg)
if isinstance(msg, bytes):
msg = zlib.decompress(msg, 15, 10490000) # This is 10 MiB
msg = msg.decode('utf-8')
self._buffer.extend(msg)
if len(msg) >= 4:
suffix = int.from_bytes(msg[-4:], byteorder='big')
if suffix == 0xFFFF:
msg = self._zlib.decompress(self._buffer)
msg = msg.decode('utf-8')
self._buffer = bytearray()
else:
return
else:
return
msg = json.loads(msg)

16
discord/http.py
View File

@ -739,21 +739,29 @@ class HTTPClient:
return self.request(Route('GET', '/oauth2/applications/@me'))
@asyncio.coroutine
def get_gateway(self):
def get_gateway(self, *, encoding='json', v=6, zlib=True):
try:
data = yield from self.request(Route('GET', '/gateway'))
except HTTPException as e:
raise GatewayNotFound() from e
return data.get('url') + '?encoding=json&v=6'
if zlib:
value = '{0}?encoding={1}&v={2}&compress=zlib-stream'
else:
value = '{0}?encoding={1}&v={2}'
return value.format(data['url'], encoding, v)
@asyncio.coroutine
def get_bot_gateway(self):
def get_bot_gateway(self, *, encoding='json', v=6, zlib=True):
try:
data = yield from self.request(Route('GET', '/gateway/bot'))
except HTTPException as e:
raise GatewayNotFound() from e
if zlib:
value = '{0}?encoding={1}&v={2}&compress=zlib-stream'
else:
return data['shards'], data['url'] + '?encoding=json&v=6'
value = '{0}?encoding={1}&v={2}'
return data['shards'], value.format(data['url'], encoding, v)
def get_user_info(self, user_id):
return self.request(Route('GET', '/users/{user_id}', user_id=user_id))