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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 nsHttpPipeline_h__
#define nsHttpPipeline_h__
#include "nsAHttpConnection.h"
#include "nsAHttpTransaction.h"
#include "nsTArray.h"
#include "nsCOMPtr.h"
class nsIInputStream;
class nsIOutputStream;
namespace mozilla { namespace net {
class nsHttpPipeline final : public nsAHttpConnection
, public nsAHttpTransaction
, public nsAHttpSegmentReader
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSAHTTPCONNECTION(mConnection)
NS_DECL_NSAHTTPTRANSACTION
NS_DECL_NSAHTTPSEGMENTREADER
nsHttpPipeline();
bool ResponseTimeoutEnabled() const override final {
return true;
}
private:
virtual ~nsHttpPipeline();
nsresult FillSendBuf();
static nsresult ReadFromPipe(nsIInputStream *, void *, const char *,
uint32_t, uint32_t, uint32_t *);
// convenience functions
nsAHttpTransaction *Request(int32_t i)
{
if (mRequestQ.Length() == 0)
return nullptr;
return mRequestQ[i];
}
nsAHttpTransaction *Response(int32_t i)
{
if (mResponseQ.Length() == 0)
return nullptr;
return mResponseQ[i];
}
// overload of nsAHttpTransaction::QueryPipeline()
nsHttpPipeline *QueryPipeline() override;
RefPtr<nsAHttpConnection> mConnection;
nsTArray<RefPtr<nsAHttpTransaction> > mRequestQ;
nsTArray<RefPtr<nsAHttpTransaction> > mResponseQ;
nsresult mStatus;
// these flags indicate whether or not the first request or response
// is partial. a partial request means that Request(0) has been
// partially written out to the socket. a partial response means
// that Response(0) has been partially read in from the socket.
bool mRequestIsPartial;
bool mResponseIsPartial;
// indicates whether or not the pipeline has been explicitly closed.
bool mClosed;
// indicates whether or not a true pipeline (more than 1 request without
// a synchronous response) has been formed.
bool mUtilizedPipeline;
// used when calling ReadSegments/WriteSegments on a transaction.
nsAHttpSegmentReader *mReader;
// send buffer
nsCOMPtr<nsIInputStream> mSendBufIn;
nsCOMPtr<nsIOutputStream> mSendBufOut;
// the push back buffer. not exceeding nsIOService::gDefaultSegmentSize bytes.
char *mPushBackBuf;
uint32_t mPushBackLen;
uint32_t mPushBackMax;
// The number of transactions completed on this pipeline.
uint32_t mHttp1xTransactionCount;
// For support of OnTransportStatus()
int64_t mReceivingFromProgress;
int64_t mSendingToProgress;
bool mSuppressSendEvents;
};
} // namespace net
} // namespace mozilla
#endif // nsHttpPipeline_h__
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