mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
378 lines
9.2 KiB
C++
378 lines
9.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// HttpLog.h should generally be included first
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#include "HttpLog.h"
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// Log on level :5, instead of default :4.
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#undef LOG
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#define LOG(args) LOG5(args)
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#undef LOG_ENABLED
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#define LOG_ENABLED() LOG5_ENABLED()
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#include <algorithm>
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#include "nsDependentString.h"
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#include "SpdyPush31.h"
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namespace mozilla {
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namespace net {
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//////////////////////////////////////////
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// SpdyPushedStream31
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//////////////////////////////////////////
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SpdyPushedStream31::SpdyPushedStream31(SpdyPush31TransactionBuffer *aTransaction,
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SpdySession31 *aSession,
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SpdyStream31 *aAssociatedStream,
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uint32_t aID)
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:SpdyStream31(aTransaction, aSession,
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0 /* priority is only for sending, so ignore it on push */)
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, mConsumerStream(nullptr)
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, mBufferedPush(aTransaction)
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, mStatus(NS_OK)
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, mPushCompleted(false)
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, mDeferCleanupOnSuccess(true)
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{
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LOG3(("SpdyPushedStream31 ctor this=%p id=0x%X\n", this, aID));
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mStreamID = aID;
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mBufferedPush->SetPushStream(this);
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mLoadGroupCI = aAssociatedStream->LoadGroupConnectionInfo();
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mLastRead = TimeStamp::Now();
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}
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bool
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SpdyPushedStream31::GetPushComplete()
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{
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return mPushCompleted;
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}
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nsresult
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SpdyPushedStream31::WriteSegments(nsAHttpSegmentWriter *writer,
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uint32_t count,
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uint32_t *countWritten)
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{
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nsresult rv = SpdyStream31::WriteSegments(writer, count, countWritten);
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if (NS_SUCCEEDED(rv) && *countWritten) {
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mLastRead = TimeStamp::Now();
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}
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if (rv == NS_BASE_STREAM_CLOSED) {
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mPushCompleted = true;
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rv = NS_OK; // this is what a normal HTTP transaction would do
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}
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if (rv != NS_BASE_STREAM_WOULD_BLOCK && NS_FAILED(rv))
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mStatus = rv;
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return rv;
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}
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nsresult
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SpdyPushedStream31::ReadSegments(nsAHttpSegmentReader *, uint32_t, uint32_t *count)
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{
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// The SYN_STREAM for this has been processed, so we need to verify
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// that :host, :scheme, and :path MUST be present
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nsDependentCSubstring host, scheme, path;
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nsresult rv;
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rv = SpdyStream31::FindHeader(NS_LITERAL_CSTRING(":host"), host);
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if (NS_FAILED(rv)) {
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LOG3(("SpdyPushedStream31::ReadSegments session=%p ID 0x%X "
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"push without required :host\n", mSession, mStreamID));
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return rv;
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}
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rv = SpdyStream31::FindHeader(NS_LITERAL_CSTRING(":scheme"), scheme);
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if (NS_FAILED(rv)) {
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LOG3(("SpdyPushedStream31::ReadSegments session=%p ID 0x%X "
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"push without required :scheme\n", mSession, mStreamID));
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return rv;
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}
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rv = SpdyStream31::FindHeader(NS_LITERAL_CSTRING(":path"), path);
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if (NS_FAILED(rv)) {
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LOG3(("SpdyPushedStream31::ReadSegments session=%p ID 0x%X "
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"push without required :host\n", mSession, mStreamID));
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return rv;
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}
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CreatePushHashKey(nsCString(scheme), nsCString(host),
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mSession->Serial(), path,
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mOrigin, mHashKey);
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LOG3(("SpdyPushStream31 0x%X hash key %s\n", mStreamID, mHashKey.get()));
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// the write side of a pushed transaction just involves manipulating a little state
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SpdyStream31::mSentFinOnData = 1;
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SpdyStream31::mSynFrameComplete = 1;
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SpdyStream31::ChangeState(UPSTREAM_COMPLETE);
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*count = 0;
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return NS_OK;
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}
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bool
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SpdyPushedStream31::GetHashKey(nsCString &key)
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{
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if (mHashKey.IsEmpty())
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return false;
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key = mHashKey;
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return true;
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}
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void
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SpdyPushedStream31::ConnectPushedStream(SpdyStream31 *stream)
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{
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mSession->ConnectPushedStream(stream);
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}
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bool
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SpdyPushedStream31::IsOrphaned(TimeStamp now)
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{
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MOZ_ASSERT(!now.IsNull());
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// if spdy is not transmitting, and is also not connected to a consumer
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// stream, and its been like that for too long then it is oprhaned
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if (mConsumerStream)
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return false;
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bool rv = ((now - mLastRead).ToSeconds() > 30.0);
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if (rv) {
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LOG3(("SpdyPushedStream31::IsOrphaned 0x%X IsOrphaned %3.2f\n",
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mStreamID, (now - mLastRead).ToSeconds()));
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}
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return rv;
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}
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nsresult
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SpdyPushedStream31::GetBufferedData(char *buf,
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uint32_t count,
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uint32_t *countWritten)
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{
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if (NS_FAILED(mStatus))
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return mStatus;
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nsresult rv = mBufferedPush->GetBufferedData(buf, count, countWritten);
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if (NS_FAILED(rv))
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return rv;
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if (!*countWritten)
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rv = GetPushComplete() ? NS_BASE_STREAM_CLOSED : NS_BASE_STREAM_WOULD_BLOCK;
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return rv;
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}
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//////////////////////////////////////////
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// SpdyPush31TransactionBuffer
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// This is the nsAHttpTransction owned by the stream when the pushed
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// stream has not yet been matched with a pull request
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//////////////////////////////////////////
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NS_IMPL_ISUPPORTS0(SpdyPush31TransactionBuffer)
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SpdyPush31TransactionBuffer::SpdyPush31TransactionBuffer()
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: mStatus(NS_OK)
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, mRequestHead(nullptr)
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, mPushStream(nullptr)
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, mIsDone(false)
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, mBufferedHTTP1Size(kDefaultBufferSize)
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, mBufferedHTTP1Used(0)
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, mBufferedHTTP1Consumed(0)
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{
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mBufferedHTTP1 = new char[mBufferedHTTP1Size];
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}
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SpdyPush31TransactionBuffer::~SpdyPush31TransactionBuffer()
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{
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delete mRequestHead;
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}
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void
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SpdyPush31TransactionBuffer::SetConnection(nsAHttpConnection *conn)
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{
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}
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nsAHttpConnection *
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SpdyPush31TransactionBuffer::Connection()
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{
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return nullptr;
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}
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void
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SpdyPush31TransactionBuffer::GetSecurityCallbacks(nsIInterfaceRequestor **outCB)
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{
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*outCB = nullptr;
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}
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void
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SpdyPush31TransactionBuffer::OnTransportStatus(nsITransport* transport,
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nsresult status, uint64_t progress)
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{
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}
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nsHttpConnectionInfo *
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SpdyPush31TransactionBuffer::ConnectionInfo()
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{
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if (!mPushStream) {
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return nullptr;
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}
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if (!mPushStream->Transaction()) {
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return nullptr;
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}
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MOZ_ASSERT(mPushStream->Transaction() != this);
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return mPushStream->Transaction()->ConnectionInfo();
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}
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bool
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SpdyPush31TransactionBuffer::IsDone()
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{
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return mIsDone;
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}
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nsresult
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SpdyPush31TransactionBuffer::Status()
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{
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return mStatus;
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}
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uint32_t
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SpdyPush31TransactionBuffer::Caps()
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{
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return 0;
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}
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void
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SpdyPush31TransactionBuffer::SetDNSWasRefreshed()
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{
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}
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uint64_t
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SpdyPush31TransactionBuffer::Available()
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{
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return mBufferedHTTP1Used - mBufferedHTTP1Consumed;
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}
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nsresult
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SpdyPush31TransactionBuffer::ReadSegments(nsAHttpSegmentReader *reader,
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uint32_t count, uint32_t *countRead)
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{
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*countRead = 0;
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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SpdyPush31TransactionBuffer::WriteSegments(nsAHttpSegmentWriter *writer,
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uint32_t count, uint32_t *countWritten)
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{
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if ((mBufferedHTTP1Size - mBufferedHTTP1Used) < 20480) {
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EnsureBuffer(mBufferedHTTP1, mBufferedHTTP1Size + kDefaultBufferSize,
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mBufferedHTTP1Used, mBufferedHTTP1Size);
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}
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count = std::min(count, mBufferedHTTP1Size - mBufferedHTTP1Used);
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nsresult rv = writer->OnWriteSegment(mBufferedHTTP1 + mBufferedHTTP1Used,
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count, countWritten);
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if (NS_SUCCEEDED(rv)) {
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mBufferedHTTP1Used += *countWritten;
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}
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else if (rv == NS_BASE_STREAM_CLOSED) {
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mIsDone = true;
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}
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if (Available()) {
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SpdyStream31 *consumer = mPushStream->GetConsumerStream();
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if (consumer) {
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LOG3(("SpdyPush31TransactionBuffer::WriteSegments notifying connection "
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"consumer data available 0x%X [%u]\n",
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mPushStream->StreamID(), Available()));
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mPushStream->ConnectPushedStream(consumer);
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}
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}
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return rv;
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}
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uint32_t
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SpdyPush31TransactionBuffer::Http1xTransactionCount()
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{
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return 0;
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}
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nsHttpRequestHead *
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SpdyPush31TransactionBuffer::RequestHead()
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{
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if (!mRequestHead)
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mRequestHead = new nsHttpRequestHead();
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return mRequestHead;
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}
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nsresult
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SpdyPush31TransactionBuffer::TakeSubTransactions(
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nsTArray<nsRefPtr<nsAHttpTransaction> > &outTransactions)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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void
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SpdyPush31TransactionBuffer::SetProxyConnectFailed()
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{
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}
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void
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SpdyPush31TransactionBuffer::Close(nsresult reason)
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{
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mStatus = reason;
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mIsDone = true;
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}
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nsresult
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SpdyPush31TransactionBuffer::AddTransaction(nsAHttpTransaction *trans)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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uint32_t
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SpdyPush31TransactionBuffer::PipelineDepth()
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{
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return 0;
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}
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nsresult
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SpdyPush31TransactionBuffer::SetPipelinePosition(int32_t position)
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{
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return NS_OK;
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}
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int32_t
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SpdyPush31TransactionBuffer::PipelinePosition()
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{
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return 1;
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}
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nsresult
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SpdyPush31TransactionBuffer::GetBufferedData(char *buf,
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uint32_t count,
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uint32_t *countWritten)
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{
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*countWritten = std::min(count, static_cast<uint32_t>(Available()));
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if (*countWritten) {
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memcpy(buf, mBufferedHTTP1 + mBufferedHTTP1Consumed, *countWritten);
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mBufferedHTTP1Consumed += *countWritten;
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}
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// If all the data has been consumed then reset the buffer
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if (mBufferedHTTP1Consumed == mBufferedHTTP1Used) {
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mBufferedHTTP1Consumed = 0;
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mBufferedHTTP1Used = 0;
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}
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return NS_OK;
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}
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} // namespace mozilla::net
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} // namespace mozilla
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