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#ifndef QUICHE_HTTP2_ADAPTER_NGHTTP2_DATA_PROVIDER_H_
#define QUICHE_HTTP2_ADAPTER_NGHTTP2_DATA_PROVIDER_H_
#include <cstdint>
#include <memory>
#include "quiche/http2/adapter/data_source.h"
#include "quiche/http2/adapter/nghttp2.h"
namespace http2 {
namespace adapter {
namespace callbacks {
// Assumes |source| is a DataFrameSource.
ssize_t DataFrameSourceReadCallback(nghttp2_session* /*session */,
int32_t /* stream_id */, uint8_t* /* buf */,
size_t length, uint32_t* data_flags,
nghttp2_data_source* source,
void* /* user_data */);
int DataFrameSourceSendCallback(nghttp2_session* /* session */,
nghttp2_frame* /* frame */,
const uint8_t* framehd, size_t length,
nghttp2_data_source* source,
void* /* user_data */);
} // namespace callbacks
// Transforms a DataFrameSource into a nghttp2_data_provider. Does not take
// ownership of |source|. Returns nullptr if |source| is nullptr.
std::unique_ptr<nghttp2_data_provider> MakeDataProvider(
DataFrameSource* source);
} // namespace adapter
} // namespace http2
#endif // QUICHE_HTTP2_ADAPTER_NGHTTP2_DATA_PROVIDER_H_