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QuicTransportBase: Allow notifyPendingWriteOnStream (#18)

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Summary:
When a write callback x is already defined for a stream
and notifyPendingWriteOnStream is called with the same callback x,
it is safe to not return an error.

Building on master is currently broken due to 2040a13e40 (diff-ddd35d436da215e41b89fd5afe4acebbR11), but this commit builds when rebased before that.

udippant
Pull Request resolved: https://github.com/facebookincubator/mvfst/pull/18

Reviewed By: yangchi

Differential Revision: D15562893

Pulled By: afrind

fbshipit-source-id: 44e62bb9bb0002508257acdc419f20bcb973ca64
This commit is contained in:
Akshay Narayan
2019-06-05 16:52:46 -07:00
committed by Facebook Github Bot
parent 0b677465d0
commit 7d58058b8f
4 changed files with 25 additions and 2 deletions
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11
quic/api/test/QuicTransportBaseTest.cpp
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@@ -1214,6 +1214,17 @@ TEST_P(QuicTransportImplTestClose, TestNotifyPendingConnWriteOnCloseWithError) {
evb->loopOnce();
}
TEST_F(QuicTransportImplTest, TestNotifyPendingWriteWithActiveCallback) {
auto stream = transport->createBidirectionalStream().value();
MockWriteCallback wcb;
EXPECT_CALL(wcb, onStreamWriteReady(stream, _));
auto ok1 = transport->notifyPendingWriteOnStream(stream, &wcb);
EXPECT_TRUE(ok1.hasValue());
auto ok2 = transport->notifyPendingWriteOnStream(stream, &wcb);
EXPECT_EQ(ok2.error(), quic::LocalErrorCode::CALLBACK_ALREADY_INSTALLED);
evb->loopOnce();
}
TEST_F(QuicTransportImplTest, TestNotifyPendingWriteOnCloseWithoutError) {
auto stream = transport->createBidirectionalStream().value();
MockWriteCallback wcb;