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Mini Shell
Mini Shell
#if HAVE_OPENSSL && NODE_OPENSSL_HAS_QUIC
#include "http3.h"
#include <async_wrap-inl.h>
#include <base_object-inl.h>
#include <debug_utils-inl.h>
#include <env-inl.h>
#include <memory_tracker-inl.h>
#include <nghttp3/nghttp3.h>
#include <ngtcp2/ngtcp2.h>
#include <node_http_common-inl.h>
#include <node_sockaddr-inl.h>
#include <util-inl.h>
#include "application.h"
#include "bindingdata.h"
#include "defs.h"
#include "session.h"
#include "sessionticket.h"
namespace node {
namespace quic {
namespace {
struct Http3HeadersTraits {
typedef nghttp3_nv nv_t;
};
struct Http3RcBufferPointerTraits {
typedef nghttp3_rcbuf rcbuf_t;
typedef nghttp3_vec vector_t;
static void inc(rcbuf_t* buf) {
CHECK_NOT_NULL(buf);
nghttp3_rcbuf_incref(buf);
}
static void dec(rcbuf_t* buf) {
CHECK_NOT_NULL(buf);
nghttp3_rcbuf_decref(buf);
}
static vector_t get_vec(rcbuf_t* buf) {
CHECK_NOT_NULL(buf);
return nghttp3_rcbuf_get_buf(buf);
}
static bool is_static(const rcbuf_t* buf) {
CHECK_NOT_NULL(buf);
return nghttp3_rcbuf_is_static(buf);
}
};
using Http3ConnectionPointer = DeleteFnPtr<nghttp3_conn, nghttp3_conn_del>;
using Http3Headers = NgHeaders<Http3HeadersTraits>;
using Http3RcBufferPointer = NgRcBufPointer<Http3RcBufferPointerTraits>;
struct Http3HeaderTraits {
typedef Http3RcBufferPointer rcbufferpointer_t;
typedef BindingData allocator_t;
static const char* ToHttpHeaderName(int32_t token) {
switch (token) {
case -1:
return nullptr;
#define V(key, name) \
case NGHTTP3_QPACK_TOKEN__##key: \
return name;
HTTP_SPECIAL_HEADERS(V)
#undef V
#define V(key, name) \
case NGHTTP3_QPACK_TOKEN_##key: \
return name;
HTTP_REGULAR_HEADERS(V)
#undef V
}
return nullptr;
}
};
using Http3Header = NgHeader<Http3HeaderTraits>;
// Implements the low-level HTTP/3 Application semantics.
class Http3Application final : public Session::Application {
public:
Http3Application(Session* session,
const Session::Application_Options& options)
: Application(session, options),
allocator_(BindingData::Get(env())),
options_(options),
conn_(InitializeConnection()) {
session->set_priority_supported();
}
bool Start() override {
CHECK(!started_);
started_ = true;
Debug(&session(), "Starting HTTP/3 application.");
auto params = ngtcp2_conn_get_remote_transport_params(session());
if (params == nullptr) {
// The params are not available yet. Cannot start.
Debug(&session(),
"Cannot start HTTP/3 application yet. No remote transport params");
return false;
}
if (params->initial_max_streams_uni < 3) {
// If the initial max unidirectional stream limit is not at least three,
// we cannot actually use it since we need to create the control streams.
Debug(&session(),
"Cannot start HTTP/3 application. Initial max "
"unidirectional streams is too low");
return false;
}
if (session().is_server()) {
nghttp3_conn_set_max_client_streams_bidi(
*this, params->initial_max_streams_bidi);
}
return CreateAndBindControlStreams();
}
bool ReceiveStreamData(Stream* stream,
const uint8_t* data,
size_t datalen,
Stream::ReceiveDataFlags flags) override {
Debug(&session(), "HTTP/3 application received %zu bytes of data", datalen);
ssize_t nread = nghttp3_conn_read_stream(
*this, stream->id(), data, datalen, flags.fin ? 1 : 0);
if (nread < 0) {
Debug(&session(),
"HTTP/3 application failed to read stream data: %s",
nghttp3_strerror(nread));
return false;
}
Debug(&session(),
"Extending stream and connection offset by %zd bytes",
nread);
session().ExtendStreamOffset(stream->id(), nread);
session().ExtendOffset(nread);
return true;
}
void AcknowledgeStreamData(Stream* stream, size_t datalen) override {
Debug(&session(),
"HTTP/3 application received acknowledgement for %zu bytes of data",
datalen);
CHECK_EQ(nghttp3_conn_add_ack_offset(*this, stream->id(), datalen), 0);
}
bool CanAddHeader(size_t current_count,
size_t current_headers_length,
size_t this_header_length) override {
// We cannot add the header if we've either reached
// * the max number of header pairs or
// * the max number of header bytes
bool answer = (current_count < options_.max_header_pairs) &&
(current_headers_length + this_header_length) <=
options_.max_header_length;
IF_QUIC_DEBUG(env()) {
if (answer) {
Debug(&session(), "HTTP/3 application can add header");
} else {
Debug(&session(), "HTTP/3 application cannot add header");
}
}
return answer;
}
void BlockStream(int64_t id) override {
nghttp3_conn_block_stream(*this, id);
Application::BlockStream(id);
}
void ResumeStream(int64_t id) override {
nghttp3_conn_resume_stream(*this, id);
Application::ResumeStream(id);
}
void ExtendMaxStreams(EndpointLabel label,
Direction direction,
uint64_t max_streams) override {
switch (label) {
case EndpointLabel::LOCAL:
return;
case EndpointLabel::REMOTE: {
switch (direction) {
case Direction::BIDIRECTIONAL: {
Debug(&session(),
"HTTP/3 application extending max bidi streams to %" PRIu64,
max_streams);
ngtcp2_conn_extend_max_streams_bidi(
session(), static_cast<size_t>(max_streams));
break;
}
case Direction::UNIDIRECTIONAL: {
Debug(&session(),
"HTTP/3 application extending max uni streams to %" PRIu64,
max_streams);
ngtcp2_conn_extend_max_streams_uni(
session(), static_cast<size_t>(max_streams));
break;
}
}
}
}
}
void ExtendMaxStreamData(Stream* stream, uint64_t max_data) override {
Debug(&session(),
"HTTP/3 application extending max stream data to %" PRIu64,
max_data);
nghttp3_conn_unblock_stream(*this, stream->id());
}
void CollectSessionTicketAppData(
SessionTicket::AppData* app_data) const override {
// TODO(@jasnell): There's currently nothing to store but there may be
// later.
}
SessionTicket::AppData::Status ExtractSessionTicketAppData(
const SessionTicket::AppData& app_data,
SessionTicket::AppData::Source::Flag flag) override {
// There's currently nothing stored here but we might do so later.
return flag == SessionTicket::AppData::Source::Flag::STATUS_RENEW
? SessionTicket::AppData::Status::TICKET_USE_RENEW
: SessionTicket::AppData::Status::TICKET_USE;
}
void StreamClose(Stream* stream, QuicError error = QuicError()) override {
Debug(
&session(), "HTTP/3 application closing stream %" PRIi64, stream->id());
uint64_t code = NGHTTP3_H3_NO_ERROR;
if (error) {
CHECK_EQ(error.type(), QuicError::Type::APPLICATION);
code = error.code();
}
int rv = nghttp3_conn_close_stream(*this, stream->id(), code);
// If the call is successful, Http3Application::OnStreamClose callback will
// be invoked when the stream is ready to be closed. We'll handle destroying
// the actual Stream object there.
if (rv == 0) return;
if (rv == NGHTTP3_ERR_STREAM_NOT_FOUND) {
ExtendMaxStreams(EndpointLabel::REMOTE, stream->direction(), 1);
return;
}
session().SetLastError(
QuicError::ForApplication(nghttp3_err_infer_quic_app_error_code(rv)));
session().Close();
}
void StreamReset(Stream* stream,
uint64_t final_size,
QuicError error) override {
// We are shutting down the readable side of the local stream here.
Debug(&session(),
"HTTP/3 application resetting stream %" PRIi64,
stream->id());
int rv = nghttp3_conn_shutdown_stream_read(*this, stream->id());
if (rv == 0) {
stream->ReceiveStreamReset(final_size, error);
return;
}
session().SetLastError(
QuicError::ForApplication(nghttp3_err_infer_quic_app_error_code(rv)));
session().Close();
}
void StreamStopSending(Stream* stream, QuicError error) override {
Application::StreamStopSending(stream, error);
}
bool SendHeaders(const Stream& stream,
HeadersKind kind,
const v8::Local<v8::Array>& headers,
HeadersFlags flags = HeadersFlags::NONE) override {
Session::SendPendingDataScope send_scope(&session());
Http3Headers nva(env(), headers);
switch (kind) {
case HeadersKind::HINTS: {
if (!session().is_server()) {
// Client side cannot send hints
return false;
}
Debug(&session(),
"Submitting early hints for stream " PRIi64,
stream.id());
return nghttp3_conn_submit_info(
*this, stream.id(), nva.data(), nva.length()) == 0;
break;
}
case HeadersKind::INITIAL: {
static constexpr nghttp3_data_reader reader = {on_read_data_callback};
const nghttp3_data_reader* reader_ptr = nullptr;
// If the terminal flag is set, that means that we know we're only
// sending headers and no body and the stream writable side should be
// closed immediately because there is no nghttp3_data_reader provided.
if (flags != HeadersFlags::TERMINAL) reader_ptr = &reader;
if (session().is_server()) {
// If this is a server, we're submitting a response...
Debug(&session(),
"Submitting response headers for stream " PRIi64,
stream.id());
return nghttp3_conn_submit_response(
*this, stream.id(), nva.data(), nva.length(), reader_ptr);
} else {
// Otherwise we're submitting a request...
Debug(&session(),
"Submitting request headers for stream " PRIi64,
stream.id());
return nghttp3_conn_submit_request(*this,
stream.id(),
nva.data(),
nva.length(),
reader_ptr,
const_cast<Stream*>(&stream)) == 0;
}
break;
}
case HeadersKind::TRAILING: {
return nghttp3_conn_submit_trailers(
*this, stream.id(), nva.data(), nva.length()) == 0;
break;
}
}
return false;
}
StreamPriority GetStreamPriority(const Stream& stream) override {
nghttp3_pri pri;
if (nghttp3_conn_get_stream_priority(*this, &pri, stream.id()) == 0) {
// TODO(@jasnell): Support the incremental flag
switch (pri.urgency) {
case NGHTTP3_URGENCY_HIGH:
return StreamPriority::HIGH;
case NGHTTP3_URGENCY_LOW:
return StreamPriority::LOW;
default:
return StreamPriority::DEFAULT;
}
}
return StreamPriority::DEFAULT;
}
int GetStreamData(StreamData* data) override {
ssize_t ret = 0;
Debug(&session(), "HTTP/3 application getting stream data");
if (conn_ && session().max_data_left()) {
nghttp3_vec vec = *data;
ret = nghttp3_conn_writev_stream(
*this, &data->id, &data->fin, &vec, data->count);
if (ret < 0) {
return static_cast<int>(ret);
} else {
data->remaining = data->count = static_cast<size_t>(ret);
}
}
return 0;
}
bool StreamCommit(StreamData* data, size_t datalen) override {
Debug(&session(),
"HTTP/3 application committing stream %" PRIi64 " data %zu",
data->id,
datalen);
int err = nghttp3_conn_add_write_offset(*this, data->id, datalen);
if (err != 0) {
session().SetLastError(QuicError::ForApplication(
nghttp3_err_infer_quic_app_error_code(err)));
return false;
}
return true;
}
bool ShouldSetFin(const StreamData& data) override {
return data.id > -1 && !is_control_stream(data.id) && data.fin == 1;
}
SET_NO_MEMORY_INFO()
SET_MEMORY_INFO_NAME(Http3Application)
SET_SELF_SIZE(Http3Application)
private:
inline operator nghttp3_conn*() const {
DCHECK_NOT_NULL(conn_.get());
return conn_.get();
}
bool CreateAndBindControlStreams() {
Debug(&session(), "Creating and binding HTTP/3 control streams");
auto stream = session().OpenStream(Direction::UNIDIRECTIONAL);
if (!stream) return false;
if (nghttp3_conn_bind_control_stream(*this, stream->id()) != 0) {
return false;
}
auto enc_stream = session().OpenStream(Direction::UNIDIRECTIONAL);
if (!enc_stream) return false;
auto dec_stream = session().OpenStream(Direction::UNIDIRECTIONAL);
if (!dec_stream) return false;
bool bound = nghttp3_conn_bind_qpack_streams(
*this, enc_stream->id(), dec_stream->id()) == 0;
control_stream_id_ = stream->id();
qpack_enc_stream_id_ = enc_stream->id();
qpack_dec_stream_id_ = dec_stream->id();
return bound;
}
inline bool is_control_stream(int64_t id) const {
return id == control_stream_id_ || id == qpack_dec_stream_id_ ||
id == qpack_enc_stream_id_;
}
bool is_destroyed() const { return session().is_destroyed(); }
Http3ConnectionPointer InitializeConnection() {
nghttp3_conn* conn = nullptr;
nghttp3_settings settings = options_;
if (session().is_server()) {
CHECK_EQ(nghttp3_conn_server_new(
&conn, &kCallbacks, &settings, &allocator_, this),
0);
} else {
CHECK_EQ(nghttp3_conn_client_new(
&conn, &kCallbacks, &settings, &allocator_, this),
0);
}
return Http3ConnectionPointer(conn);
}
void OnStreamClose(Stream* stream, uint64_t app_error_code) {
if (stream->is_destroyed()) return;
Debug(&session(),
"HTTP/3 application received stream close for stream %" PRIi64,
stream->id());
auto direction = stream->direction();
stream->Destroy(QuicError::ForApplication(app_error_code));
ExtendMaxStreams(EndpointLabel::REMOTE, direction, 1);
}
void OnReceiveData(Stream* stream, const nghttp3_vec& vec) {
if (stream->is_destroyed()) return;
Debug(&session(), "HTTP/3 application received %zu bytes of data", vec.len);
stream->ReceiveData(vec.base, vec.len, Stream::ReceiveDataFlags{});
}
void OnDeferredConsume(Stream* stream, size_t consumed) {
auto& sess = session();
Debug(
&session(), "HTTP/3 application deferred consume %zu bytes", consumed);
if (!stream->is_destroyed()) {
sess.ExtendStreamOffset(stream->id(), consumed);
}
sess.ExtendOffset(consumed);
}
void OnBeginHeaders(Stream* stream) {
if (stream->is_destroyed()) return;
Debug(&session(),
"HTTP/3 application beginning initial block of headers for stream "
"%" PRIi64,
stream->id());
stream->BeginHeaders(HeadersKind::INITIAL);
}
void OnReceiveHeader(Stream* stream, Http3Header&& header) {
if (stream->is_destroyed()) return;
if (header.name() == ":status") {
if (header.value()[0] == '1') {
Debug(
&session(),
"HTTP/3 application switching to hints headers for stream %" PRIi64,
stream->id());
stream->set_headers_kind(HeadersKind::HINTS);
}
}
stream->AddHeader(std::move(header));
}
void OnEndHeaders(Stream* stream, int fin) {
Debug(&session(),
"HTTP/3 application received end of headers for stream %" PRIi64,
stream->id());
stream->EmitHeaders();
if (fin != 0) {
// The stream is done. There's no more data to receive!
Debug(&session(), "Headers are final for stream %" PRIi64, stream->id());
OnEndStream(stream);
}
}
void OnBeginTrailers(Stream* stream) {
if (stream->is_destroyed()) return;
Debug(&session(),
"HTTP/3 application beginning block of trailers for stream %" PRIi64,
stream->id());
stream->BeginHeaders(HeadersKind::TRAILING);
}
void OnReceiveTrailer(Stream* stream, Http3Header&& header) {
stream->AddHeader(header);
}
void OnEndTrailers(Stream* stream, int fin) {
if (stream->is_destroyed()) return;
Debug(&session(),
"HTTP/3 application received end of trailers for stream %" PRIi64,
stream->id());
stream->EmitHeaders();
if (fin != 0) {
Debug(&session(), "Trailers are final for stream %" PRIi64, stream->id());
// The stream is done. There's no more data to receive!
stream->ReceiveData(nullptr,
0,
Stream::ReceiveDataFlags{/* .fin = */ true,
/* .early = */ false});
}
}
void OnEndStream(Stream* stream) {
if (stream->is_destroyed()) return;
Debug(&session(),
"HTTP/3 application received end of stream for stream %" PRIi64,
stream->id());
stream->ReceiveData(nullptr,
0,
Stream::ReceiveDataFlags{/* .fin = */ true,
/* .early = */ false});
}
void OnStopSending(Stream* stream, uint64_t app_error_code) {
if (stream->is_destroyed()) return;
Debug(&session(),
"HTTP/3 application received stop sending for stream %" PRIi64,
stream->id());
stream->ReceiveStopSending(QuicError::ForApplication(app_error_code));
}
void OnResetStream(Stream* stream, uint64_t app_error_code) {
if (stream->is_destroyed()) return;
Debug(&session(),
"HTTP/3 application received reset stream for stream %" PRIi64,
stream->id());
stream->ReceiveStreamReset(0, QuicError::ForApplication(app_error_code));
}
void OnShutdown() {
// This callback is invoked when we receive a request to gracefully shutdown
// the http3 connection. For client, the id is the stream id of a client
// initiated stream. For server, the id is the stream id of a server
// initiated stream. Once received, the other side is guaranteed not to
// process any more data.
// On the client side, if id is equal to NGHTTP3_SHUTDOWN_NOTICE_STREAM_ID,
// or on the server if the id is equal to NGHTTP3_SHUTDOWN_NOTICE_PUSH_ID,
// then this is a request to begin a graceful shutdown.
// This can be called multiple times but the id can only stay the same or
// *decrease*.
// TODO(@jasnell): Need to determine exactly how to handle.
Debug(&session(), "HTTP/3 application received shutdown notice");
}
void OnReceiveSettings(const nghttp3_settings* settings) {
options_.enable_connect_protocol = settings->enable_connect_protocol;
options_.enable_datagrams = settings->h3_datagram;
options_.max_field_section_size = settings->max_field_section_size;
options_.qpack_blocked_streams = settings->qpack_blocked_streams;
options_.qpack_encoder_max_dtable_capacity =
settings->qpack_encoder_max_dtable_capacity;
options_.qpack_max_dtable_capacity = settings->qpack_max_dtable_capacity;
Debug(
&session(), "HTTP/3 application received updated settings ", options_);
}
bool started_ = false;
nghttp3_mem allocator_;
Session::Application_Options options_;
Http3ConnectionPointer conn_;
int64_t control_stream_id_ = -1;
int64_t qpack_dec_stream_id_ = -1;
int64_t qpack_enc_stream_id_ = -1;
// ==========================================================================
// Static callbacks
static Http3Application* From(nghttp3_conn* conn, void* user_data) {
DCHECK_NOT_NULL(user_data);
auto app = static_cast<Http3Application*>(user_data);
DCHECK_EQ(conn, app->conn_.get());
return app;
}
static Stream* From(int64_t stream_id, void* stream_user_data) {
DCHECK_NOT_NULL(stream_user_data);
auto stream = static_cast<Stream*>(stream_user_data);
DCHECK_EQ(stream_id, stream->id());
return stream;
}
#define NGHTTP3_CALLBACK_SCOPE(name) \
auto name = From(conn, conn_user_data); \
if (UNLIKELY(name->is_destroyed())) return NGHTTP3_ERR_CALLBACK_FAILURE; \
NgHttp3CallbackScope scope(name->env());
static nghttp3_ssize on_read_data_callback(nghttp3_conn* conn,
int64_t stream_id,
nghttp3_vec* vec,
size_t veccnt,
uint32_t* pflags,
void* conn_user_data,
void* stream_user_data) {
return 0;
}
static int on_acked_stream_data(nghttp3_conn* conn,
int64_t stream_id,
uint64_t datalen,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->AcknowledgeStreamData(stream, static_cast<size_t>(datalen));
return NGTCP2_SUCCESS;
}
static int on_stream_close(nghttp3_conn* conn,
int64_t stream_id,
uint64_t app_error_code,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnStreamClose(stream, app_error_code);
return NGTCP2_SUCCESS;
}
static int on_receive_data(nghttp3_conn* conn,
int64_t stream_id,
const uint8_t* data,
size_t datalen,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnReceiveData(stream,
nghttp3_vec{const_cast<uint8_t*>(data), datalen});
return NGTCP2_SUCCESS;
}
static int on_deferred_consume(nghttp3_conn* conn,
int64_t stream_id,
size_t consumed,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnDeferredConsume(stream, consumed);
return NGTCP2_SUCCESS;
}
static int on_begin_headers(nghttp3_conn* conn,
int64_t stream_id,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnBeginHeaders(stream);
return NGTCP2_SUCCESS;
}
static int on_receive_header(nghttp3_conn* conn,
int64_t stream_id,
int32_t token,
nghttp3_rcbuf* name,
nghttp3_rcbuf* value,
uint8_t flags,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
if (Http3Header::IsZeroLength(token, name, value)) return NGTCP2_SUCCESS;
app->OnReceiveHeader(stream,
Http3Header(app->env(), token, name, value, flags));
return NGTCP2_SUCCESS;
}
static int on_end_headers(nghttp3_conn* conn,
int64_t stream_id,
int fin,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnEndHeaders(stream, fin);
return NGTCP2_SUCCESS;
}
static int on_begin_trailers(nghttp3_conn* conn,
int64_t stream_id,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnBeginTrailers(stream);
return NGTCP2_SUCCESS;
}
static int on_receive_trailer(nghttp3_conn* conn,
int64_t stream_id,
int32_t token,
nghttp3_rcbuf* name,
nghttp3_rcbuf* value,
uint8_t flags,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
if (Http3Header::IsZeroLength(token, name, value)) return NGTCP2_SUCCESS;
app->OnReceiveTrailer(stream,
Http3Header(app->env(), token, name, value, flags));
return NGTCP2_SUCCESS;
}
static int on_end_trailers(nghttp3_conn* conn,
int64_t stream_id,
int fin,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnEndTrailers(stream, fin);
return NGTCP2_SUCCESS;
}
static int on_end_stream(nghttp3_conn* conn,
int64_t stream_id,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnEndStream(stream);
return NGTCP2_SUCCESS;
}
static int on_stop_sending(nghttp3_conn* conn,
int64_t stream_id,
uint64_t app_error_code,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnStopSending(stream, app_error_code);
return NGTCP2_SUCCESS;
}
static int on_reset_stream(nghttp3_conn* conn,
int64_t stream_id,
uint64_t app_error_code,
void* conn_user_data,
void* stream_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
auto stream = From(stream_id, stream_user_data);
if (stream == nullptr) return NGHTTP3_ERR_CALLBACK_FAILURE;
app->OnResetStream(stream, app_error_code);
return NGTCP2_SUCCESS;
}
static int on_shutdown(nghttp3_conn* conn, int64_t id, void* conn_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
app->OnShutdown();
return NGTCP2_SUCCESS;
}
static int on_receive_settings(nghttp3_conn* conn,
const nghttp3_settings* settings,
void* conn_user_data) {
NGHTTP3_CALLBACK_SCOPE(app);
app->OnReceiveSettings(settings);
return NGTCP2_SUCCESS;
}
static constexpr nghttp3_callbacks kCallbacks = {on_acked_stream_data,
on_stream_close,
on_receive_data,
on_deferred_consume,
on_begin_headers,
on_receive_header,
on_end_headers,
on_begin_trailers,
on_receive_trailer,
on_end_trailers,
on_stop_sending,
on_end_stream,
on_reset_stream,
on_shutdown,
on_receive_settings};
};
} // namespace
std::unique_ptr<Session::Application> createHttp3Application(
Session* session, const Session::Application_Options& options) {
return std::make_unique<Http3Application>(session, options);
}
} // namespace quic
} // namespace node
#endif // HAVE_OPENSSL && NODE_OPENSSL_HAS_QUIC
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