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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef QUICHE_QUIC_TOOLS_QUIC_SIMPLE_SERVER_STREAM_H_
#define QUICHE_QUIC_TOOLS_QUIC_SIMPLE_SERVER_STREAM_H_
#include "absl/strings/string_view.h"
#include "quic/core/http/quic_spdy_server_stream_base.h"
#include "quic/core/quic_packets.h"
#include "quic/tools/quic_backend_response.h"
#include "quic/tools/quic_simple_server_backend.h"
#include "spdy/core/spdy_framer.h"
namespace quic {
// All this does right now is aggregate data, and on fin, send an HTTP
// response.
class QuicSimpleServerStream : public QuicSpdyServerStreamBase,
public QuicSimpleServerBackend::RequestHandler {
public:
QuicSimpleServerStream(QuicStreamId id,
QuicSpdySession* session,
StreamType type,
QuicSimpleServerBackend* quic_simple_server_backend);
QuicSimpleServerStream(PendingStream* pending,
QuicSpdySession* session,
StreamType type,
QuicSimpleServerBackend* quic_simple_server_backend);
QuicSimpleServerStream(const QuicSimpleServerStream&) = delete;
QuicSimpleServerStream& operator=(const QuicSimpleServerStream&) = delete;
~QuicSimpleServerStream() override;
// QuicSpdyStream
void OnInitialHeadersComplete(bool fin,
size_t frame_len,
const QuicHeaderList& header_list) override;
void OnTrailingHeadersComplete(bool fin,
size_t frame_len,
const QuicHeaderList& header_list) override;
void OnCanWrite() override;
// QuicStream implementation called by the sequencer when there is
// data (or a FIN) to be read.
void OnBodyAvailable() override;
// Make this stream start from as if it just finished parsing an incoming
// request whose headers are equivalent to |push_request_headers|.
// Doing so will trigger this toy stream to fetch response and send it back.
virtual void PushResponse(spdy::Http2HeaderBlock push_request_headers);
// The response body of error responses.
static const char* const kErrorResponseBody;
static const char* const kNotFoundResponseBody;
// Implements QuicSimpleServerBackend::RequestHandler callbacks
QuicConnectionId connection_id() const override;
QuicStreamId stream_id() const override;
std::string peer_host() const override;
void OnResponseBackendComplete(
const QuicBackendResponse* response,
std::list<QuicBackendResponse::ServerPushInfo> resources) override;
protected:
// Sends a basic 200 response using SendHeaders for the headers and WriteData
// for the body.
virtual void SendResponse();
// Sends a basic 500 response using SendHeaders for the headers and WriteData
// for the body.
virtual void SendErrorResponse();
void SendErrorResponse(int resp_code);
// Sends a basic 404 response using SendHeaders for the headers and WriteData
// for the body.
void SendNotFoundResponse();
// Sends the response header and body, but not the fin.
void SendIncompleteResponse(spdy::Http2HeaderBlock response_headers,
absl::string_view body);
void SendHeadersAndBody(spdy::Http2HeaderBlock response_headers,
absl::string_view body);
void SendHeadersAndBodyAndTrailers(spdy::Http2HeaderBlock response_headers,
absl::string_view body,
spdy::Http2HeaderBlock response_trailers);
spdy::Http2HeaderBlock* request_headers() { return &request_headers_; }
const std::string& body() { return body_; }
// Writes the body bytes for the GENERATE_BYTES response type.
void WriteGeneratedBytes();
// The parsed headers received from the client.
spdy::Http2HeaderBlock request_headers_;
int64_t content_length_;
std::string body_;
private:
uint64_t generate_bytes_length_;
// Whether response headers have already been sent.
bool response_sent_ = false;
QuicSimpleServerBackend* quic_simple_server_backend_; // Not owned.
};
} // namespace quic
#endif // QUICHE_QUIC_TOOLS_QUIC_SIMPLE_SERVER_STREAM_H_
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