gecko/netwerk/protocol/http/ASpdySession.h

84 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_net_ASpdySession_h
#define mozilla_net_ASpdySession_h
#include "nsAHttpTransaction.h"
#include "prinrval.h"
#include "nsString.h"
class nsISocketTransport;
namespace mozilla { namespace net {
class nsHttpConnectionInfo;
class ASpdySession : public nsAHttpTransaction
{
public:
ASpdySession();
virtual ~ASpdySession();
virtual bool AddStream(nsAHttpTransaction *, int32_t,
bool, nsIInterfaceRequestor *) = 0;
virtual bool CanReuse() = 0;
virtual bool RoomForMoreStreams() = 0;
virtual PRIntervalTime IdleTime() = 0;
virtual uint32_t ReadTimeoutTick(PRIntervalTime now) = 0;
virtual void DontReuse() = 0;
static ASpdySession *NewSpdySession(uint32_t version, nsISocketTransport *);
virtual void PrintDiagnostics (nsCString &log) = 0;
bool ResponseTimeoutEnabled() const MOZ_OVERRIDE MOZ_FINAL {
return true;
}
const static uint32_t kSendingChunkSize = 4095;
const static uint32_t kTCPSendBufferSize = 131072;
// until we have an API that can push back on receiving data (right now
// WriteSegments is obligated to accept data and buffer) there is no
// reason to throttle with the rwin other than in server push
// scenarios.
const static uint32_t kInitialRwin = 256 * 1024 * 1024;
bool SoftStreamError(nsresult code)
{
return (code == NS_BASE_STREAM_CLOSED || code == NS_BINDING_FAILED ||
code == NS_BINDING_ABORTED || code == NS_BINDING_REDIRECTED ||
code == NS_BINDING_RETARGETED || code == NS_ERROR_CORRUPTED_CONTENT);
}
};
// this is essentially a single instantiation as a member of nsHttpHandler.
// It could be all static except using static ctors of XPCOM objects is a
// bad idea.
class SpdyInformation
{
public:
SpdyInformation();
~SpdyInformation() {}
static const uint32_t kCount = 3;
// determine if a version of the protocol is enabled for index <= kCount
bool ProtocolEnabled(uint32_t index);
// lookup a version enum based on an npn string. returns NS_OK if
// string was known.
nsresult GetNPNVersionIndex(const nsACString &npnString, uint8_t *result);
uint8_t Version[kCount];
nsCString VersionString[kCount];
};
}} // namespace mozilla::net
#endif // mozilla_net_ASpdySession_h