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https://github.com/facebookincubator/mvfst.git
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94c254716d
Summary: Broke in one of the previous commits. Reviewed By: hanidamlaj Differential Revision: D47962468 fbshipit-source-id: 532e9356cb7e1bba2e45ac0a18440a12aed1eb25
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <quic/api/QuicBatchWriter.h>
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#include <quic/api/QuicGsoBatchWriters.h>
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namespace quic {
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BatchWriterPtr makeGsoBatchWriter(uint32_t batchSize);
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BatchWriterPtr makeGsoInPlaceBatchWriter(
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uint32_t batchSize,
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QuicConnectionStateBase& conn);
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BatchWriterPtr makeSendmmsgGsoBatchWriter(uint32_t batchSize);
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class BatchWriterFactory {
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public:
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static BatchWriterPtr makeBatchWriter(
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const quic::QuicBatchingMode& batchingMode,
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uint32_t batchSize,
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bool useThreadLocal,
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const std::chrono::microseconds& threadLocalDelay,
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DataPathType dataPathType,
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QuicConnectionStateBase& conn,
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bool gsoSupported);
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private:
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static BatchWriterPtr makeBatchWriterHelper(
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const quic::QuicBatchingMode& batchingMode,
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uint32_t batchSize,
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DataPathType dataPathType,
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QuicConnectionStateBase& conn,
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bool gsoSupported) {
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switch (batchingMode) {
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case quic::QuicBatchingMode::BATCHING_MODE_NONE:
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if (useSinglePacketInplaceBatchWriter(batchSize, dataPathType)) {
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return BatchWriterPtr(new SinglePacketInplaceBatchWriter(conn));
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}
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return BatchWriterPtr(new SinglePacketBatchWriter());
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case quic::QuicBatchingMode::BATCHING_MODE_GSO: {
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if (gsoSupported) {
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if (dataPathType == DataPathType::ChainedMemory) {
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return makeGsoBatchWriter(batchSize);
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}
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return makeGsoInPlaceBatchWriter(batchSize, conn);
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}
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return BatchWriterPtr(new SinglePacketBatchWriter());
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}
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case quic::QuicBatchingMode::BATCHING_MODE_SENDMMSG:
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return BatchWriterPtr(new SendmmsgPacketBatchWriter(batchSize));
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case quic::QuicBatchingMode::BATCHING_MODE_SENDMMSG_GSO: {
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if (gsoSupported) {
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return makeSendmmsgGsoBatchWriter(batchSize);
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}
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return BatchWriterPtr(new SendmmsgPacketBatchWriter(batchSize));
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}
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// no default so we can catch missing case at compile time
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}
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folly::assume_unreachable();
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}
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};
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} // namespace quic
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