close sessions

stream.py

@@ -89,12 +89,10 @@ class AsyncSessionData():
         self.current_proxies = current_proxies
         self.current_proxy = current_proxy
 class AsyncSession():
-    def __init__(self, session, resp, current_proxies, current_proxy):
-        self.session = session
+    def __init__(self, resp, current_proxies, current_proxy):
         self.sdata = AsyncSessionData(resp, current_proxies, current_proxy)
     async def task(self):
         resp = await self.sdata.resp
-        await self.session.close()
         return AsyncSessionData(resp, self.sdata.current_proxies, self.sdata.current_proxy)
 
 proxies = {}
@@ -150,12 +148,14 @@ class UpstreamHandler():
                 proxy_iter = proxy_list_orig.copy()
             if isinstance(proxy_list, list):
                 futures = []
+                sessions = []
                 for i in proxy_iter:
                     current_list = proxy_list.copy()
                     current = proxy_list.pop()
                     proxy_list = [current] + proxy_list
                     session = current.session()
-                    future = AsyncSession(session, session.head(src), current_list, current)
+                    sessions.append(session)
+                    future = AsyncSession(session.head(src), current_list, current)
                     task = asyncio.create_task(future.task())
                     futures.append(task)
                 done = False
@@ -180,6 +180,8 @@ class UpstreamHandler():
                 for future in futures:
                     if not future.done():
                         future.cancel()
+                for session in sessions:
+                    await session.close()
 
     async def meta(self):
         data = []