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Refactor HeaderTags

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This commit is contained in:
Chih Cheng Liang
2019-08-02 17:14:43 +08:00
parent 29fbb9e40a
commit 36b7e8ded9
4 changed files with 31 additions and 27 deletions
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19
libp2p/stream_muxer/mplex/mplex_stream.py
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@ -2,7 +2,7 @@ import asyncio
from libp2p.stream_muxer.muxed_stream_interface import IMuxedStream
from .utils import get_flag
from .constants import HeaderTags
class MplexStream(IMuxedStream):
@ -38,9 +38,12 @@ class MplexStream(IMuxedStream):
write to stream
:return: number of bytes written
"""
return await self.mplex_conn.send_message(
get_flag(self.initiator, "MESSAGE"), data, self.stream_id
flag = (
HeaderTags.MessageInitiator
if self.initiator
else HeaderTags.MessageReceiver
)
return await self.mplex_conn.send_message(flag, data, self.stream_id)
async def close(self):
"""
@ -50,7 +53,8 @@ class MplexStream(IMuxedStream):
"""
# TODO error handling with timeout
# TODO understand better how mutexes are used from go repo
await self.mplex_conn.send_message(get_flag(self.initiator, "CLOSE"), None, self.stream_id)
flag = HeaderTags.CloseInitiator if self.initiator else HeaderTags.CloseReceiver
await self.mplex_conn.send_message(flag, None, self.stream_id)
remote_lock = ""
async with self.stream_lock:
@ -78,9 +82,12 @@ class MplexStream(IMuxedStream):
return True
if not self.remote_closed:
await self.mplex_conn.send_message(
get_flag(self.initiator, "RESET"), None, self.stream_id
flag = (
HeaderTags.ResetInitiator
if self.initiator
else HeaderTags.ResetInitiator
)
await self.mplex_conn.send_message(flag, None, self.stream_id)
self.local_closed = True
self.remote_closed = True