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// Copyright (c) 2009 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 NET_TOOLS_FLIP_SERVER_SPDY_INTERFACE_
#define NET_TOOLS_FLIP_SERVER_SPDY_INTERFACE_
#include <map>
#include <string>
#include <vector>
#include "net/spdy/spdy_framer.h"
#include "net/spdy/spdy_protocol.h"
#include "net/tools/flip_server/balsa_headers.h"
#include "net/tools/flip_server/balsa_visitor_interface.h"
#include "net/tools/flip_server/output_ordering.h"
#include "net/tools/flip_server/sm_connection.h"
#include "net/tools/flip_server/sm_interface.h"
namespace net {
class BalsaFrame;
class FlipAcceptor;
class MemoryCache;
class SpdySM : public spdy::SpdyFramerVisitorInterface,
public SMInterface {
public:
SpdySM(SMConnection* connection,
SMInterface* sm_http_interface,
EpollServer* epoll_server,
MemoryCache* memory_cache,
FlipAcceptor* acceptor);
virtual ~SpdySM();
virtual void InitSMInterface(SMInterface* sm_http_interface,
int32 server_idx) {}
virtual void InitSMConnection(SMConnectionPoolInterface* connection_pool,
SMInterface* sm_interface,
EpollServer* epoll_server,
int fd,
std::string server_ip,
std::string server_port,
std::string remote_ip,
bool use_ssl);
static bool disable_data_compression() { return disable_data_compression_; }
static void set_disable_data_compression(bool value) {
disable_data_compression_ = value;
}
private:
virtual void set_is_request() {}
virtual void OnError(spdy::SpdyFramer* framer) {}
SMInterface* NewConnectionInterface();
SMInterface* FindOrMakeNewSMConnectionInterface(std::string server_ip,
std::string server_port);
int SpdyHandleNewStream(const spdy::SpdyControlFrame* frame,
std::string &http_data,
bool *is_https_scheme);
// SpdyFramerVisitor interface.
virtual void OnControl(const spdy::SpdyControlFrame* frame);
virtual void OnStreamFrameData(spdy::SpdyStreamId stream_id,
const char* data, size_t len);
public:
virtual size_t ProcessReadInput(const char* data, size_t len);
virtual size_t ProcessWriteInput(const char* data, size_t len);
virtual bool MessageFullyRead() const;
virtual void SetStreamID(uint32 stream_id) {}
virtual bool Error() const;
virtual const char* ErrorAsString() const;
virtual void Reset() {}
virtual void ResetForNewInterface(int32 server_idx);
virtual void ResetForNewConnection();
// SMInterface's Cleanup is currently only called by SMConnection after a
// protocol message as been fully read. Spdy's SMInterface does not need
// to do any cleanup at this time.
// TODO (klindsay) This method is probably not being used properly and
// some logic review and method renaming is probably in order.
virtual void Cleanup() {}
// Send a settings frame
virtual int PostAcceptHook();
virtual void NewStream(uint32 stream_id,
uint32 priority,
const std::string& filename);
void AddToOutputOrder(const MemCacheIter& mci);
virtual void SendEOF(uint32 stream_id);
virtual void SendErrorNotFound(uint32 stream_id);
void SendOKResponse(uint32 stream_id, std::string* output);
virtual size_t SendSynStream(uint32 stream_id, const BalsaHeaders& headers);
virtual size_t SendSynReply(uint32 stream_id, const BalsaHeaders& headers);
virtual void SendDataFrame(uint32 stream_id, const char* data, int64 len,
uint32 flags, bool compress);
spdy::SpdyFramer* spdy_framer() { return spdy_framer_; }
static std::string forward_ip_header() { return forward_ip_header_; }
static void set_forward_ip_header(std::string value) {
forward_ip_header_ = value;
}
private:
void SendEOFImpl(uint32 stream_id);
void SendErrorNotFoundImpl(uint32 stream_id);
void SendOKResponseImpl(uint32 stream_id, std::string* output);
void KillStream(uint32 stream_id);
void CopyHeaders(spdy::SpdyHeaderBlock& dest, const BalsaHeaders& headers);
size_t SendSynStreamImpl(uint32 stream_id, const BalsaHeaders& headers);
size_t SendSynReplyImpl(uint32 stream_id, const BalsaHeaders& headers);
void SendDataFrameImpl(uint32 stream_id, const char* data, int64 len,
spdy::SpdyDataFlags flags, bool compress);
void EnqueueDataFrame(DataFrame* df);
virtual void GetOutput();
private:
uint64 seq_num_;
spdy::SpdyFramer* spdy_framer_;
bool valid_spdy_session_; // True if we have seen valid data on this session.
// Use this to fail fast when junk is sent to our
// port.
SMConnection* connection_;
OutputList* client_output_list_;
OutputOrdering client_output_ordering_;
uint32 next_outgoing_stream_id_;
EpollServer* epoll_server_;
FlipAcceptor* acceptor_;
MemoryCache* memory_cache_;
std::vector<SMInterface*> server_interface_list;
std::vector<int32> unused_server_interface_list;
typedef std::map<uint32, SMInterface*> StreamToSmif;
StreamToSmif stream_to_smif_;
bool close_on_error_;
static bool disable_data_compression_;
static std::string forward_ip_header_;
};
} // namespace net
#endif // NET_TOOLS_FLIP_SERVER_SPDY_INTERFACE_
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