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0fd9123eac
This patch was generated by a script. Here's the source of the script for future reference: function convert() { echo "Converting $1 to $2..." find . ! -wholename "*nsprpub*" \ ! -wholename "*security/nss*" \ ! -wholename "*/.hg*" \ ! -wholename "obj-ff-dbg*" \ ! -name nsXPCOMCID.h \ ! -name prtypes.h \ -type f \ \( -iname "*.cpp" \ -o -iname "*.h" \ -o -iname "*.c" \ -o -iname "*.cc" \ -o -iname "*.idl" \ -o -iname "*.ipdl" \ -o -iname "*.ipdlh" \ -o -iname "*.mm" \) | \ xargs -n 1 sed -i -e "s/\b$1\b/$2/g" } convert PRInt8 int8_t convert PRUint8 uint8_t convert PRInt16 int16_t convert PRUint16 uint16_t convert PRInt32 int32_t convert PRUint32 uint32_t convert PRInt64 int64_t convert PRUint64 uint64_t convert PRIntn int convert PRUintn unsigned convert PRSize size_t convert PROffset32 int32_t convert PROffset64 int64_t convert PRPtrdiff ptrdiff_t convert PRFloat64 double
1328 lines
51 KiB
C++
1328 lines
51 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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#include "nsHttp.h"
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#include "SpdySession3.h"
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#include "SpdyStream3.h"
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#include "nsAlgorithm.h"
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#include "prnetdb.h"
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#include "nsHttpRequestHead.h"
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#include "mozilla/Telemetry.h"
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#include "nsISocketTransport.h"
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#include "nsISupportsPriority.h"
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#ifdef DEBUG
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// defined by the socket transport service while active
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extern PRThread *gSocketThread;
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#endif
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namespace mozilla {
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namespace net {
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SpdyStream3::SpdyStream3(nsAHttpTransaction *httpTransaction,
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SpdySession3 *spdySession,
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nsISocketTransport *socketTransport,
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uint32_t chunkSize,
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z_stream *compressionContext,
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int32_t priority)
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: mUpstreamState(GENERATING_SYN_STREAM),
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mTransaction(httpTransaction),
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mSession(spdySession),
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mSocketTransport(socketTransport),
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mSegmentReader(nullptr),
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mSegmentWriter(nullptr),
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mStreamID(0),
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mChunkSize(chunkSize),
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mSynFrameComplete(0),
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mRequestBlockedOnRead(0),
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mSentFinOnData(0),
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mRecvdFin(0),
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mFullyOpen(0),
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mSentWaitingFor(0),
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mReceivedData(0),
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mTxInlineFrameSize(SpdySession3::kDefaultBufferSize),
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mTxInlineFrameUsed(0),
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mTxStreamFrameSize(0),
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mZlib(compressionContext),
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mDecompressBufferSize(SpdySession3::kDefaultBufferSize),
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mDecompressBufferUsed(0),
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mDecompressedBytes(0),
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mRequestBodyLenRemaining(0),
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mPriority(priority),
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mLocalWindow(SpdySession3::kInitialRwin),
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mLocalUnacked(0),
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mBlockedOnRwin(false),
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mTotalSent(0),
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mTotalRead(0)
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{
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NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
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LOG3(("SpdyStream3::SpdyStream3 %p", this));
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mRemoteWindow = spdySession->GetServerInitialWindow();
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mTxInlineFrame = new char[mTxInlineFrameSize];
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mDecompressBuffer = new char[mDecompressBufferSize];
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}
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SpdyStream3::~SpdyStream3()
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{
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mStreamID = SpdySession3::kDeadStreamID;
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}
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// ReadSegments() is used to write data down the socket. Generally, HTTP
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// request data is pulled from the approriate transaction and
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// converted to SPDY data. Sometimes control data like a window-update is
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// generated instead.
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nsresult
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SpdyStream3::ReadSegments(nsAHttpSegmentReader *reader,
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uint32_t count,
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uint32_t *countRead)
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{
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LOG3(("SpdyStream3 %p ReadSegments reader=%p count=%d state=%x",
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this, reader, count, mUpstreamState));
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NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
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nsresult rv = NS_ERROR_UNEXPECTED;
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mRequestBlockedOnRead = 0;
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switch (mUpstreamState) {
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case GENERATING_SYN_STREAM:
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case GENERATING_REQUEST_BODY:
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case SENDING_REQUEST_BODY:
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// Call into the HTTP Transaction to generate the HTTP request
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// stream. That stream will show up in OnReadSegment().
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mSegmentReader = reader;
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rv = mTransaction->ReadSegments(this, count, countRead);
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mSegmentReader = nullptr;
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// Check to see if the transaction's request could be written out now.
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// If not, mark the stream for callback when writing can proceed.
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if (NS_SUCCEEDED(rv) &&
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mUpstreamState == GENERATING_SYN_STREAM &&
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!mSynFrameComplete)
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mSession->TransactionHasDataToWrite(this);
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// mTxinlineFrameUsed represents any queued un-sent frame. It might
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// be 0 if there is no such frame, which is not a gurantee that we
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// don't have more request body to send - just that any data that was
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// sent comprised a complete SPDY frame. Likewise, a non 0 value is
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// a queued, but complete, spdy frame length.
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// Mark that we are blocked on read if the http transaction needs to
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// provide more of the request message body and there is nothing queued
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// for writing
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if (rv == NS_BASE_STREAM_WOULD_BLOCK && !mTxInlineFrameUsed)
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mRequestBlockedOnRead = 1;
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// If the sending flow control window is open (!mBlockedOnRwin) then
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// continue sending the request
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if (!mBlockedOnRwin &&
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!mTxInlineFrameUsed && NS_SUCCEEDED(rv) && (!*countRead)) {
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LOG3(("SpdyStream3::ReadSegments %p 0x%X: Sending request data complete, "
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"mUpstreamState=%x",this, mStreamID, mUpstreamState));
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if (mSentFinOnData) {
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ChangeState(UPSTREAM_COMPLETE);
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}
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else {
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GenerateDataFrameHeader(0, true);
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ChangeState(SENDING_FIN_STREAM);
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mSession->TransactionHasDataToWrite(this);
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rv = NS_BASE_STREAM_WOULD_BLOCK;
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}
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}
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break;
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case SENDING_SYN_STREAM:
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// We were trying to send the SYN-STREAM but were blocked from trying
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// to transmit it the first time(s).
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mSegmentReader = reader;
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rv = TransmitFrame(nullptr, nullptr);
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mSegmentReader = nullptr;
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*countRead = 0;
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if (NS_SUCCEEDED(rv)) {
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NS_ABORT_IF_FALSE(!mTxInlineFrameUsed,
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"Transmit Frame should be all or nothing");
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if (mSentFinOnData) {
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ChangeState(UPSTREAM_COMPLETE);
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rv = NS_OK;
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}
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else {
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rv = NS_BASE_STREAM_WOULD_BLOCK;
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ChangeState(GENERATING_REQUEST_BODY);
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mSession->TransactionHasDataToWrite(this);
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}
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}
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break;
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case SENDING_FIN_STREAM:
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// We were trying to send the FIN-STREAM but were blocked from
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// sending it out - try again.
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if (!mSentFinOnData) {
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mSegmentReader = reader;
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rv = TransmitFrame(nullptr, nullptr);
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mSegmentReader = nullptr;
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NS_ABORT_IF_FALSE(NS_FAILED(rv) || !mTxInlineFrameUsed,
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"Transmit Frame should be all or nothing");
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if (NS_SUCCEEDED(rv))
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ChangeState(UPSTREAM_COMPLETE);
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}
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else {
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rv = NS_OK;
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mTxInlineFrameUsed = 0; // cancel fin data packet
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ChangeState(UPSTREAM_COMPLETE);
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}
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*countRead = 0;
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// don't change OK to WOULD BLOCK. we are really done sending if OK
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break;
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case UPSTREAM_COMPLETE:
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*countRead = 0;
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rv = NS_OK;
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break;
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default:
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NS_ABORT_IF_FALSE(false, "SpdyStream3::ReadSegments unknown state");
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break;
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}
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return rv;
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}
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// WriteSegments() is used to read data off the socket. Generally this is
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// just the SPDY frame header and from there the appropriate SPDYStream
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// is identified from the Stream-ID. The http transaction associated with
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// that read then pulls in the data directly.
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nsresult
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SpdyStream3::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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LOG3(("SpdyStream3::WriteSegments %p count=%d state=%x",
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this, count, mUpstreamState));
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NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
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NS_ABORT_IF_FALSE(!mSegmentWriter, "segment writer in progress");
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mSegmentWriter = writer;
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nsresult rv = mTransaction->WriteSegments(writer, count, countWritten);
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mSegmentWriter = nullptr;
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return rv;
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}
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PLDHashOperator
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SpdyStream3::hdrHashEnumerate(const nsACString &key,
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nsAutoPtr<nsCString> &value,
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void *closure)
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{
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SpdyStream3 *self = static_cast<SpdyStream3 *>(closure);
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self->CompressToFrame(key);
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self->CompressToFrame(value.get());
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return PL_DHASH_NEXT;
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}
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nsresult
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SpdyStream3::ParseHttpRequestHeaders(const char *buf,
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uint32_t avail,
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uint32_t *countUsed)
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{
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// Returns NS_OK even if the headers are incomplete
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// set mSynFrameComplete flag if they are complete
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NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
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NS_ABORT_IF_FALSE(mUpstreamState == GENERATING_SYN_STREAM, "wrong state");
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LOG3(("SpdyStream3::ParseHttpRequestHeaders %p avail=%d state=%x",
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this, avail, mUpstreamState));
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mFlatHttpRequestHeaders.Append(buf, avail);
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// We can use the simple double crlf because firefox is the
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// only client we are parsing
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int32_t endHeader = mFlatHttpRequestHeaders.Find("\r\n\r\n");
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if (endHeader == kNotFound) {
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// We don't have all the headers yet
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LOG3(("SpdyStream3::ParseHttpRequestHeaders %p "
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"Need more header bytes. Len = %d",
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this, mFlatHttpRequestHeaders.Length()));
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*countUsed = avail;
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return NS_OK;
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}
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// We have recvd all the headers, trim the local
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// buffer of the final empty line, and set countUsed to reflect
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// the whole header has been consumed.
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uint32_t oldLen = mFlatHttpRequestHeaders.Length();
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mFlatHttpRequestHeaders.SetLength(endHeader + 2);
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*countUsed = avail - (oldLen - endHeader) + 4;
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mSynFrameComplete = 1;
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// It is now OK to assign a streamID that we are assured will
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// be monotonically increasing amongst syn-streams on this
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// session
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mStreamID = mSession->RegisterStreamID(this);
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NS_ABORT_IF_FALSE(mStreamID & 1,
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"Spdy Stream Channel ID must be odd");
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if (mStreamID >= 0x80000000) {
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// streamID must fit in 31 bits. This is theoretically possible
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// because stream ID assignment is asynchronous to stream creation
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// because of the protocol requirement that the ID in syn-stream
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// be monotonically increasing. In reality this is really not possible
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// because new streams stop being added to a session with 0x10000000 / 2
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// IDs still available and no race condition is going to bridge that gap,
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// so we can be comfortable on just erroring out for correctness in that
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// case.
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LOG3(("Stream assigned out of range ID: 0x%X", mStreamID));
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return NS_ERROR_UNEXPECTED;
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}
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// Now we need to convert the flat http headers into a set
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// of SPDY headers.. writing to mTxInlineFrame{sz}
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mTxInlineFrame[0] = SpdySession3::kFlag_Control;
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mTxInlineFrame[1] = SpdySession3::kVersion;
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mTxInlineFrame[2] = 0;
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mTxInlineFrame[3] = SpdySession3::CONTROL_TYPE_SYN_STREAM;
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// 4 to 7 are length and flags, we'll fill that in later
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uint32_t networkOrderID = PR_htonl(mStreamID);
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memcpy(mTxInlineFrame + 8, &networkOrderID, 4);
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// this is the associated-to field, which is not used sending
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// from the client in the http binding
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memset (mTxInlineFrame + 12, 0, 4);
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// Priority flags are the E0 mask of byte 16.
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// 0 is highest priority, 7 is lowest.
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// The other 5 bits of byte 16 are unused.
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if (mPriority >= nsISupportsPriority::PRIORITY_LOWEST)
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mTxInlineFrame[16] = 7 << 5;
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else if (mPriority <= nsISupportsPriority::PRIORITY_HIGHEST)
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mTxInlineFrame[16] = 0 << 5;
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else {
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// The priority mapping relies on the unfiltered ranged to be
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// between -20 .. +20
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PR_STATIC_ASSERT(nsISupportsPriority::PRIORITY_LOWEST == 20);
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PR_STATIC_ASSERT(nsISupportsPriority::PRIORITY_HIGHEST == -20);
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// Add one to the priority so that values such as -10 and -11
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// get different spdy priorities - this appears to be an important
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// breaking line in the priorities content assigns to
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// transactions.
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uint8_t calculatedPriority = 3 + ((mPriority + 1) / 5);
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NS_ABORT_IF_FALSE (!(calculatedPriority & 0xf8),
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"Calculated Priority Out Of Range");
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mTxInlineFrame[16] = calculatedPriority << 5;
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}
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// The client cert "slot". Right now we don't send client certs
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mTxInlineFrame[17] = 0;
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const char *methodHeader = mTransaction->RequestHead()->Method().get();
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nsCString hostHeader;
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mTransaction->RequestHead()->GetHeader(nsHttp::Host, hostHeader);
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nsCString versionHeader;
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if (mTransaction->RequestHead()->Version() == NS_HTTP_VERSION_1_1)
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versionHeader = NS_LITERAL_CSTRING("HTTP/1.1");
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else
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versionHeader = NS_LITERAL_CSTRING("HTTP/1.0");
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nsClassHashtable<nsCStringHashKey, nsCString> hdrHash;
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// use mRequestHead() to get a sense of how big to make the hash,
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// even though we are parsing the actual text stream because
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// it is legit to append headers.
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hdrHash.Init(1 + (mTransaction->RequestHead()->Headers().Count() * 2));
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const char *beginBuffer = mFlatHttpRequestHeaders.BeginReading();
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// need to hash all the headers together to remove duplicates, special
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// headers, etc..
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int32_t crlfIndex = mFlatHttpRequestHeaders.Find("\r\n");
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while (true) {
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int32_t startIndex = crlfIndex + 2;
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crlfIndex = mFlatHttpRequestHeaders.Find("\r\n", false, startIndex);
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if (crlfIndex == -1)
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break;
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int32_t colonIndex = mFlatHttpRequestHeaders.Find(":", false, startIndex,
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crlfIndex - startIndex);
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if (colonIndex == -1)
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break;
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nsDependentCSubstring name = Substring(beginBuffer + startIndex,
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beginBuffer + colonIndex);
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// all header names are lower case in spdy
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ToLowerCase(name);
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// exclusions.. mostly from 3.2.1
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if (name.Equals("connection") ||
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name.Equals("keep-alive") ||
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name.Equals("host") ||
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name.Equals("proxy-connection") ||
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name.Equals("accept-encoding") ||
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name.Equals("te") ||
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name.Equals("transfer-encoding"))
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continue;
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nsCString *val = hdrHash.Get(name);
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if (!val) {
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val = new nsCString();
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hdrHash.Put(name, val);
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}
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int32_t valueIndex = colonIndex + 1;
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while (valueIndex < crlfIndex && beginBuffer[valueIndex] == ' ')
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++valueIndex;
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nsDependentCSubstring v = Substring(beginBuffer + valueIndex,
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beginBuffer + crlfIndex);
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if (!val->IsEmpty())
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val->Append(static_cast<char>(0));
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val->Append(v);
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if (name.Equals("content-length")) {
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int64_t len;
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if (nsHttp::ParseInt64(val->get(), nullptr, &len))
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mRequestBodyLenRemaining = len;
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}
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}
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mTxInlineFrameUsed = 18;
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// Do not naively log the request headers here beacuse they might
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// contain auth. The http transaction already logs the sanitized request
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// headers at this same level so it is not necessary to do so here.
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// The header block length
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uint16_t count = hdrHash.Count() + 5; /* method, path, version, host, scheme */
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CompressToFrame(count);
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// :method, :path, :version comprise a HTTP/1 request line, so send those first
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// to make life easy for any gateways
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CompressToFrame(NS_LITERAL_CSTRING(":method"));
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CompressToFrame(methodHeader, strlen(methodHeader));
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CompressToFrame(NS_LITERAL_CSTRING(":path"));
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CompressToFrame(mTransaction->RequestHead()->RequestURI());
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CompressToFrame(NS_LITERAL_CSTRING(":version"));
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CompressToFrame(versionHeader);
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CompressToFrame(NS_LITERAL_CSTRING(":host"));
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CompressToFrame(hostHeader);
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CompressToFrame(NS_LITERAL_CSTRING(":scheme"));
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CompressToFrame(NS_LITERAL_CSTRING("https"));
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hdrHash.Enumerate(hdrHashEnumerate, this);
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CompressFlushFrame();
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// 4 to 7 are length and flags, which we can now fill in
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(reinterpret_cast<uint32_t *>(mTxInlineFrame.get()))[1] =
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PR_htonl(mTxInlineFrameUsed - 8);
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NS_ABORT_IF_FALSE(!mTxInlineFrame[4],
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"Size greater than 24 bits");
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// Determine whether to put the fin bit on the syn stream frame or whether
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// to wait for a data packet to put it on.
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if (mTransaction->RequestHead()->Method() == nsHttp::Get ||
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mTransaction->RequestHead()->Method() == nsHttp::Connect ||
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mTransaction->RequestHead()->Method() == nsHttp::Head) {
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// for GET, CONNECT, and HEAD place the fin bit right on the
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// syn stream packet
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mSentFinOnData = 1;
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mTxInlineFrame[4] = SpdySession3::kFlag_Data_FIN;
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}
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else if (mTransaction->RequestHead()->Method() == nsHttp::Post ||
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mTransaction->RequestHead()->Method() == nsHttp::Put ||
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mTransaction->RequestHead()->Method() == nsHttp::Options) {
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// place fin in a data frame even for 0 length messages, I've seen
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// the google gateway be unhappy with fin-on-syn for 0 length POST
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}
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else if (!mRequestBodyLenRemaining) {
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// for other HTTP extension methods, rely on the content-length
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// to determine whether or not to put fin on syn
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mSentFinOnData = 1;
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mTxInlineFrame[4] = SpdySession3::kFlag_Data_FIN;
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}
|
|
|
|
Telemetry::Accumulate(Telemetry::SPDY_SYN_SIZE, mTxInlineFrameUsed - 18);
|
|
|
|
// The size of the input headers is approximate
|
|
uint32_t ratio =
|
|
(mTxInlineFrameUsed - 18) * 100 /
|
|
(11 + mTransaction->RequestHead()->RequestURI().Length() +
|
|
mFlatHttpRequestHeaders.Length());
|
|
|
|
Telemetry::Accumulate(Telemetry::SPDY_SYN_RATIO, ratio);
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
SpdyStream3::UpdateTransportReadEvents(uint32_t count)
|
|
{
|
|
mTotalRead += count;
|
|
|
|
mTransaction->OnTransportStatus(mSocketTransport,
|
|
NS_NET_STATUS_RECEIVING_FROM,
|
|
mTotalRead);
|
|
}
|
|
|
|
void
|
|
SpdyStream3::UpdateTransportSendEvents(uint32_t count)
|
|
{
|
|
mTotalSent += count;
|
|
|
|
if (mUpstreamState != SENDING_FIN_STREAM)
|
|
mTransaction->OnTransportStatus(mSocketTransport,
|
|
NS_NET_STATUS_SENDING_TO,
|
|
mTotalSent);
|
|
|
|
if (!mSentWaitingFor && !mRequestBodyLenRemaining) {
|
|
mSentWaitingFor = 1;
|
|
mTransaction->OnTransportStatus(mSocketTransport,
|
|
NS_NET_STATUS_WAITING_FOR,
|
|
LL_ZERO);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
SpdyStream3::TransmitFrame(const char *buf,
|
|
uint32_t *countUsed)
|
|
{
|
|
// If TransmitFrame returns SUCCESS than all the data is sent (or at least
|
|
// buffered at the session level), if it returns WOULD_BLOCK then none of
|
|
// the data is sent.
|
|
|
|
// You can call this function with no data and no out parameter in order to
|
|
// flush internal buffers that were previously blocked on writing. You can
|
|
// of course feed new data to it as well.
|
|
|
|
NS_ABORT_IF_FALSE(mTxInlineFrameUsed, "empty stream frame in transmit");
|
|
NS_ABORT_IF_FALSE(mSegmentReader, "TransmitFrame with null mSegmentReader");
|
|
NS_ABORT_IF_FALSE((buf && countUsed) || (!buf && !countUsed),
|
|
"TransmitFrame arguments inconsistent");
|
|
|
|
uint32_t transmittedCount;
|
|
nsresult rv;
|
|
|
|
LOG3(("SpdyStream3::TransmitFrame %p inline=%d stream=%d",
|
|
this, mTxInlineFrameUsed, mTxStreamFrameSize));
|
|
if (countUsed)
|
|
*countUsed = 0;
|
|
|
|
// In the (relatively common) event that we have a small amount of data
|
|
// split between the inlineframe and the streamframe, then move the stream
|
|
// data into the inlineframe via copy in order to coalesce into one write.
|
|
// Given the interaction with ssl this is worth the small copy cost.
|
|
if (mTxStreamFrameSize && mTxInlineFrameUsed &&
|
|
mTxStreamFrameSize < SpdySession3::kDefaultBufferSize &&
|
|
mTxInlineFrameUsed + mTxStreamFrameSize < mTxInlineFrameSize) {
|
|
LOG3(("Coalesce Transmit"));
|
|
memcpy (mTxInlineFrame + mTxInlineFrameUsed,
|
|
buf, mTxStreamFrameSize);
|
|
if (countUsed)
|
|
*countUsed += mTxStreamFrameSize;
|
|
mTxInlineFrameUsed += mTxStreamFrameSize;
|
|
mTxStreamFrameSize = 0;
|
|
}
|
|
|
|
rv = mSegmentReader->CommitToSegmentSize(mTxStreamFrameSize +
|
|
mTxInlineFrameUsed);
|
|
if (rv == NS_BASE_STREAM_WOULD_BLOCK)
|
|
mSession->TransactionHasDataToWrite(this);
|
|
if (NS_FAILED(rv)) // this will include WOULD_BLOCK
|
|
return rv;
|
|
|
|
// This function calls mSegmentReader->OnReadSegment to report the actual SPDY
|
|
// bytes through to the SpdySession3 and then the HttpConnection which calls
|
|
// the socket write function. It will accept all of the inline and stream
|
|
// data because of the above 'commitment' even if it has to buffer
|
|
|
|
rv = mSegmentReader->OnReadSegment(mTxInlineFrame, mTxInlineFrameUsed,
|
|
&transmittedCount);
|
|
LOG3(("SpdyStream3::TransmitFrame for inline session=%p "
|
|
"stream=%p result %x len=%d",
|
|
mSession, this, rv, transmittedCount));
|
|
|
|
NS_ABORT_IF_FALSE(rv != NS_BASE_STREAM_WOULD_BLOCK,
|
|
"inconsistent inline commitment result");
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
NS_ABORT_IF_FALSE(transmittedCount == mTxInlineFrameUsed,
|
|
"inconsistent inline commitment count");
|
|
|
|
SpdySession3::LogIO(mSession, this, "Writing from Inline Buffer",
|
|
mTxInlineFrame, transmittedCount);
|
|
|
|
if (mTxStreamFrameSize) {
|
|
if (!buf) {
|
|
// this cannot happen
|
|
NS_ABORT_IF_FALSE(false, "Stream transmit with null buf argument to "
|
|
"TransmitFrame()");
|
|
LOG(("Stream transmit with null buf argument to TransmitFrame()\n"));
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
rv = mSegmentReader->OnReadSegment(buf, mTxStreamFrameSize,
|
|
&transmittedCount);
|
|
|
|
LOG3(("SpdyStream3::TransmitFrame for regular session=%p "
|
|
"stream=%p result %x len=%d",
|
|
mSession, this, rv, transmittedCount));
|
|
|
|
NS_ABORT_IF_FALSE(rv != NS_BASE_STREAM_WOULD_BLOCK,
|
|
"inconsistent stream commitment result");
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
NS_ABORT_IF_FALSE(transmittedCount == mTxStreamFrameSize,
|
|
"inconsistent stream commitment count");
|
|
|
|
SpdySession3::LogIO(mSession, this, "Writing from Transaction Buffer",
|
|
buf, transmittedCount);
|
|
|
|
*countUsed += mTxStreamFrameSize;
|
|
}
|
|
|
|
// calling this will trigger waiting_for if mRequestBodyLenRemaining is 0
|
|
UpdateTransportSendEvents(mTxInlineFrameUsed + mTxStreamFrameSize);
|
|
|
|
mTxInlineFrameUsed = 0;
|
|
mTxStreamFrameSize = 0;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
SpdyStream3::ChangeState(enum stateType newState)
|
|
{
|
|
LOG3(("SpdyStream3::ChangeState() %p from %X to %X",
|
|
this, mUpstreamState, newState));
|
|
mUpstreamState = newState;
|
|
return;
|
|
}
|
|
|
|
void
|
|
SpdyStream3::GenerateDataFrameHeader(uint32_t dataLength, bool lastFrame)
|
|
{
|
|
LOG3(("SpdyStream3::GenerateDataFrameHeader %p len=%d last=%d",
|
|
this, dataLength, lastFrame));
|
|
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
NS_ABORT_IF_FALSE(!mTxInlineFrameUsed, "inline frame not empty");
|
|
NS_ABORT_IF_FALSE(!mTxStreamFrameSize, "stream frame not empty");
|
|
NS_ABORT_IF_FALSE(!(dataLength & 0xff000000), "datalength > 24 bits");
|
|
|
|
(reinterpret_cast<uint32_t *>(mTxInlineFrame.get()))[0] = PR_htonl(mStreamID);
|
|
(reinterpret_cast<uint32_t *>(mTxInlineFrame.get()))[1] =
|
|
PR_htonl(dataLength);
|
|
|
|
NS_ABORT_IF_FALSE(!(mTxInlineFrame[0] & 0x80),
|
|
"control bit set unexpectedly");
|
|
NS_ABORT_IF_FALSE(!mTxInlineFrame[4], "flag bits set unexpectedly");
|
|
|
|
mTxInlineFrameUsed = 8;
|
|
mTxStreamFrameSize = dataLength;
|
|
|
|
if (lastFrame) {
|
|
mTxInlineFrame[4] |= SpdySession3::kFlag_Data_FIN;
|
|
if (dataLength)
|
|
mSentFinOnData = 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
SpdyStream3::CompressToFrame(const nsACString &str)
|
|
{
|
|
CompressToFrame(str.BeginReading(), str.Length());
|
|
}
|
|
|
|
void
|
|
SpdyStream3::CompressToFrame(const nsACString *str)
|
|
{
|
|
CompressToFrame(str->BeginReading(), str->Length());
|
|
}
|
|
|
|
// Dictionary taken from
|
|
// http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3
|
|
|
|
const unsigned char SpdyStream3::kDictionary[] = {
|
|
0x00, 0x00, 0x00, 0x07, 0x6f, 0x70, 0x74, 0x69, // - - - - o p t i
|
|
0x6f, 0x6e, 0x73, 0x00, 0x00, 0x00, 0x04, 0x68, // o n s - - - - h
|
|
0x65, 0x61, 0x64, 0x00, 0x00, 0x00, 0x04, 0x70, // e a d - - - - p
|
|
0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x03, 0x70, // o s t - - - - p
|
|
0x75, 0x74, 0x00, 0x00, 0x00, 0x06, 0x64, 0x65, // u t - - - - d e
|
|
0x6c, 0x65, 0x74, 0x65, 0x00, 0x00, 0x00, 0x05, // l e t e - - - -
|
|
0x74, 0x72, 0x61, 0x63, 0x65, 0x00, 0x00, 0x00, // t r a c e - - -
|
|
0x06, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x00, // - a c c e p t -
|
|
0x00, 0x00, 0x0e, 0x61, 0x63, 0x63, 0x65, 0x70, // - - - a c c e p
|
|
0x74, 0x2d, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, // t - c h a r s e
|
|
0x74, 0x00, 0x00, 0x00, 0x0f, 0x61, 0x63, 0x63, // t - - - - a c c
|
|
0x65, 0x70, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, // e p t - e n c o
|
|
0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x0f, // d i n g - - - -
|
|
0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x6c, // a c c e p t - l
|
|
0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x00, // a n g u a g e -
|
|
0x00, 0x00, 0x0d, 0x61, 0x63, 0x63, 0x65, 0x70, // - - - a c c e p
|
|
0x74, 0x2d, 0x72, 0x61, 0x6e, 0x67, 0x65, 0x73, // t - r a n g e s
|
|
0x00, 0x00, 0x00, 0x03, 0x61, 0x67, 0x65, 0x00, // - - - - a g e -
|
|
0x00, 0x00, 0x05, 0x61, 0x6c, 0x6c, 0x6f, 0x77, // - - - a l l o w
|
|
0x00, 0x00, 0x00, 0x0d, 0x61, 0x75, 0x74, 0x68, // - - - - a u t h
|
|
0x6f, 0x72, 0x69, 0x7a, 0x61, 0x74, 0x69, 0x6f, // o r i z a t i o
|
|
0x6e, 0x00, 0x00, 0x00, 0x0d, 0x63, 0x61, 0x63, // n - - - - c a c
|
|
0x68, 0x65, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, // h e - c o n t r
|
|
0x6f, 0x6c, 0x00, 0x00, 0x00, 0x0a, 0x63, 0x6f, // o l - - - - c o
|
|
0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, // n n e c t i o n
|
|
0x00, 0x00, 0x00, 0x0c, 0x63, 0x6f, 0x6e, 0x74, // - - - - c o n t
|
|
0x65, 0x6e, 0x74, 0x2d, 0x62, 0x61, 0x73, 0x65, // e n t - b a s e
|
|
0x00, 0x00, 0x00, 0x10, 0x63, 0x6f, 0x6e, 0x74, // - - - - c o n t
|
|
0x65, 0x6e, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, // e n t - e n c o
|
|
0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x10, // d i n g - - - -
|
|
0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, // c o n t e n t -
|
|
0x6c, 0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, // l a n g u a g e
|
|
0x00, 0x00, 0x00, 0x0e, 0x63, 0x6f, 0x6e, 0x74, // - - - - c o n t
|
|
0x65, 0x6e, 0x74, 0x2d, 0x6c, 0x65, 0x6e, 0x67, // e n t - l e n g
|
|
0x74, 0x68, 0x00, 0x00, 0x00, 0x10, 0x63, 0x6f, // t h - - - - c o
|
|
0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x6c, 0x6f, // n t e n t - l o
|
|
0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, // c a t i o n - -
|
|
0x00, 0x0b, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, // - - c o n t e n
|
|
0x74, 0x2d, 0x6d, 0x64, 0x35, 0x00, 0x00, 0x00, // t - m d 5 - - -
|
|
0x0d, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, // - c o n t e n t
|
|
0x2d, 0x72, 0x61, 0x6e, 0x67, 0x65, 0x00, 0x00, // - r a n g e - -
|
|
0x00, 0x0c, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, // - - c o n t e n
|
|
0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x00, 0x00, // t - t y p e - -
|
|
0x00, 0x04, 0x64, 0x61, 0x74, 0x65, 0x00, 0x00, // - - d a t e - -
|
|
0x00, 0x04, 0x65, 0x74, 0x61, 0x67, 0x00, 0x00, // - - e t a g - -
|
|
0x00, 0x06, 0x65, 0x78, 0x70, 0x65, 0x63, 0x74, // - - e x p e c t
|
|
0x00, 0x00, 0x00, 0x07, 0x65, 0x78, 0x70, 0x69, // - - - - e x p i
|
|
0x72, 0x65, 0x73, 0x00, 0x00, 0x00, 0x04, 0x66, // r e s - - - - f
|
|
0x72, 0x6f, 0x6d, 0x00, 0x00, 0x00, 0x04, 0x68, // r o m - - - - h
|
|
0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x08, 0x69, // o s t - - - - i
|
|
0x66, 0x2d, 0x6d, 0x61, 0x74, 0x63, 0x68, 0x00, // f - m a t c h -
|
|
0x00, 0x00, 0x11, 0x69, 0x66, 0x2d, 0x6d, 0x6f, // - - - i f - m o
|
|
0x64, 0x69, 0x66, 0x69, 0x65, 0x64, 0x2d, 0x73, // d i f i e d - s
|
|
0x69, 0x6e, 0x63, 0x65, 0x00, 0x00, 0x00, 0x0d, // i n c e - - - -
|
|
0x69, 0x66, 0x2d, 0x6e, 0x6f, 0x6e, 0x65, 0x2d, // i f - n o n e -
|
|
0x6d, 0x61, 0x74, 0x63, 0x68, 0x00, 0x00, 0x00, // m a t c h - - -
|
|
0x08, 0x69, 0x66, 0x2d, 0x72, 0x61, 0x6e, 0x67, // - i f - r a n g
|
|
0x65, 0x00, 0x00, 0x00, 0x13, 0x69, 0x66, 0x2d, // e - - - - i f -
|
|
0x75, 0x6e, 0x6d, 0x6f, 0x64, 0x69, 0x66, 0x69, // u n m o d i f i
|
|
0x65, 0x64, 0x2d, 0x73, 0x69, 0x6e, 0x63, 0x65, // e d - s i n c e
|
|
0x00, 0x00, 0x00, 0x0d, 0x6c, 0x61, 0x73, 0x74, // - - - - l a s t
|
|
0x2d, 0x6d, 0x6f, 0x64, 0x69, 0x66, 0x69, 0x65, // - m o d i f i e
|
|
0x64, 0x00, 0x00, 0x00, 0x08, 0x6c, 0x6f, 0x63, // d - - - - l o c
|
|
0x61, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, 0x00, // a t i o n - - -
|
|
0x0c, 0x6d, 0x61, 0x78, 0x2d, 0x66, 0x6f, 0x72, // - m a x - f o r
|
|
0x77, 0x61, 0x72, 0x64, 0x73, 0x00, 0x00, 0x00, // w a r d s - - -
|
|
0x06, 0x70, 0x72, 0x61, 0x67, 0x6d, 0x61, 0x00, // - p r a g m a -
|
|
0x00, 0x00, 0x12, 0x70, 0x72, 0x6f, 0x78, 0x79, // - - - p r o x y
|
|
0x2d, 0x61, 0x75, 0x74, 0x68, 0x65, 0x6e, 0x74, // - a u t h e n t
|
|
0x69, 0x63, 0x61, 0x74, 0x65, 0x00, 0x00, 0x00, // i c a t e - - -
|
|
0x13, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2d, 0x61, // - p r o x y - a
|
|
0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x7a, 0x61, // u t h o r i z a
|
|
0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, 0x00, 0x05, // t i o n - - - -
|
|
0x72, 0x61, 0x6e, 0x67, 0x65, 0x00, 0x00, 0x00, // r a n g e - - -
|
|
0x07, 0x72, 0x65, 0x66, 0x65, 0x72, 0x65, 0x72, // - r e f e r e r
|
|
0x00, 0x00, 0x00, 0x0b, 0x72, 0x65, 0x74, 0x72, // - - - - r e t r
|
|
0x79, 0x2d, 0x61, 0x66, 0x74, 0x65, 0x72, 0x00, // y - a f t e r -
|
|
0x00, 0x00, 0x06, 0x73, 0x65, 0x72, 0x76, 0x65, // - - - s e r v e
|
|
0x72, 0x00, 0x00, 0x00, 0x02, 0x74, 0x65, 0x00, // r - - - - t e -
|
|
0x00, 0x00, 0x07, 0x74, 0x72, 0x61, 0x69, 0x6c, // - - - t r a i l
|
|
0x65, 0x72, 0x00, 0x00, 0x00, 0x11, 0x74, 0x72, // e r - - - - t r
|
|
0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2d, 0x65, // a n s f e r - e
|
|
0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x00, // n c o d i n g -
|
|
0x00, 0x00, 0x07, 0x75, 0x70, 0x67, 0x72, 0x61, // - - - u p g r a
|
|
0x64, 0x65, 0x00, 0x00, 0x00, 0x0a, 0x75, 0x73, // d e - - - - u s
|
|
0x65, 0x72, 0x2d, 0x61, 0x67, 0x65, 0x6e, 0x74, // e r - a g e n t
|
|
0x00, 0x00, 0x00, 0x04, 0x76, 0x61, 0x72, 0x79, // - - - - v a r y
|
|
0x00, 0x00, 0x00, 0x03, 0x76, 0x69, 0x61, 0x00, // - - - - v i a -
|
|
0x00, 0x00, 0x07, 0x77, 0x61, 0x72, 0x6e, 0x69, // - - - w a r n i
|
|
0x6e, 0x67, 0x00, 0x00, 0x00, 0x10, 0x77, 0x77, // n g - - - - w w
|
|
0x77, 0x2d, 0x61, 0x75, 0x74, 0x68, 0x65, 0x6e, // w - a u t h e n
|
|
0x74, 0x69, 0x63, 0x61, 0x74, 0x65, 0x00, 0x00, // t i c a t e - -
|
|
0x00, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, // - - m e t h o d
|
|
0x00, 0x00, 0x00, 0x03, 0x67, 0x65, 0x74, 0x00, // - - - - g e t -
|
|
0x00, 0x00, 0x06, 0x73, 0x74, 0x61, 0x74, 0x75, // - - - s t a t u
|
|
0x73, 0x00, 0x00, 0x00, 0x06, 0x32, 0x30, 0x30, // s - - - - 2 0 0
|
|
0x20, 0x4f, 0x4b, 0x00, 0x00, 0x00, 0x07, 0x76, // - O K - - - - v
|
|
0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x00, 0x00, // e r s i o n - -
|
|
0x00, 0x08, 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, // - - H T T P - 1
|
|
0x2e, 0x31, 0x00, 0x00, 0x00, 0x03, 0x75, 0x72, // - 1 - - - - u r
|
|
0x6c, 0x00, 0x00, 0x00, 0x06, 0x70, 0x75, 0x62, // l - - - - p u b
|
|
0x6c, 0x69, 0x63, 0x00, 0x00, 0x00, 0x0a, 0x73, // l i c - - - - s
|
|
0x65, 0x74, 0x2d, 0x63, 0x6f, 0x6f, 0x6b, 0x69, // e t - c o o k i
|
|
0x65, 0x00, 0x00, 0x00, 0x0a, 0x6b, 0x65, 0x65, // e - - - - k e e
|
|
0x70, 0x2d, 0x61, 0x6c, 0x69, 0x76, 0x65, 0x00, // p - a l i v e -
|
|
0x00, 0x00, 0x06, 0x6f, 0x72, 0x69, 0x67, 0x69, // - - - o r i g i
|
|
0x6e, 0x31, 0x30, 0x30, 0x31, 0x30, 0x31, 0x32, // n 1 0 0 1 0 1 2
|
|
0x30, 0x31, 0x32, 0x30, 0x32, 0x32, 0x30, 0x35, // 0 1 2 0 2 2 0 5
|
|
0x32, 0x30, 0x36, 0x33, 0x30, 0x30, 0x33, 0x30, // 2 0 6 3 0 0 3 0
|
|
0x32, 0x33, 0x30, 0x33, 0x33, 0x30, 0x34, 0x33, // 2 3 0 3 3 0 4 3
|
|
0x30, 0x35, 0x33, 0x30, 0x36, 0x33, 0x30, 0x37, // 0 5 3 0 6 3 0 7
|
|
0x34, 0x30, 0x32, 0x34, 0x30, 0x35, 0x34, 0x30, // 4 0 2 4 0 5 4 0
|
|
0x36, 0x34, 0x30, 0x37, 0x34, 0x30, 0x38, 0x34, // 6 4 0 7 4 0 8 4
|
|
0x30, 0x39, 0x34, 0x31, 0x30, 0x34, 0x31, 0x31, // 0 9 4 1 0 4 1 1
|
|
0x34, 0x31, 0x32, 0x34, 0x31, 0x33, 0x34, 0x31, // 4 1 2 4 1 3 4 1
|
|
0x34, 0x34, 0x31, 0x35, 0x34, 0x31, 0x36, 0x34, // 4 4 1 5 4 1 6 4
|
|
0x31, 0x37, 0x35, 0x30, 0x32, 0x35, 0x30, 0x34, // 1 7 5 0 2 5 0 4
|
|
0x35, 0x30, 0x35, 0x32, 0x30, 0x33, 0x20, 0x4e, // 5 0 5 2 0 3 - N
|
|
0x6f, 0x6e, 0x2d, 0x41, 0x75, 0x74, 0x68, 0x6f, // o n - A u t h o
|
|
0x72, 0x69, 0x74, 0x61, 0x74, 0x69, 0x76, 0x65, // r i t a t i v e
|
|
0x20, 0x49, 0x6e, 0x66, 0x6f, 0x72, 0x6d, 0x61, // - I n f o r m a
|
|
0x74, 0x69, 0x6f, 0x6e, 0x32, 0x30, 0x34, 0x20, // t i o n 2 0 4 -
|
|
0x4e, 0x6f, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x65, // N o - C o n t e
|
|
0x6e, 0x74, 0x33, 0x30, 0x31, 0x20, 0x4d, 0x6f, // n t 3 0 1 - M o
|
|
0x76, 0x65, 0x64, 0x20, 0x50, 0x65, 0x72, 0x6d, // v e d - P e r m
|
|
0x61, 0x6e, 0x65, 0x6e, 0x74, 0x6c, 0x79, 0x34, // a n e n t l y 4
|
|
0x30, 0x30, 0x20, 0x42, 0x61, 0x64, 0x20, 0x52, // 0 0 - B a d - R
|
|
0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x34, 0x30, // e q u e s t 4 0
|
|
0x31, 0x20, 0x55, 0x6e, 0x61, 0x75, 0x74, 0x68, // 1 - U n a u t h
|
|
0x6f, 0x72, 0x69, 0x7a, 0x65, 0x64, 0x34, 0x30, // o r i z e d 4 0
|
|
0x33, 0x20, 0x46, 0x6f, 0x72, 0x62, 0x69, 0x64, // 3 - F o r b i d
|
|
0x64, 0x65, 0x6e, 0x34, 0x30, 0x34, 0x20, 0x4e, // d e n 4 0 4 - N
|
|
0x6f, 0x74, 0x20, 0x46, 0x6f, 0x75, 0x6e, 0x64, // o t - F o u n d
|
|
0x35, 0x30, 0x30, 0x20, 0x49, 0x6e, 0x74, 0x65, // 5 0 0 - I n t e
|
|
0x72, 0x6e, 0x61, 0x6c, 0x20, 0x53, 0x65, 0x72, // r n a l - S e r
|
|
0x76, 0x65, 0x72, 0x20, 0x45, 0x72, 0x72, 0x6f, // v e r - E r r o
|
|
0x72, 0x35, 0x30, 0x31, 0x20, 0x4e, 0x6f, 0x74, // r 5 0 1 - N o t
|
|
0x20, 0x49, 0x6d, 0x70, 0x6c, 0x65, 0x6d, 0x65, // - I m p l e m e
|
|
0x6e, 0x74, 0x65, 0x64, 0x35, 0x30, 0x33, 0x20, // n t e d 5 0 3 -
|
|
0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x20, // S e r v i c e -
|
|
0x55, 0x6e, 0x61, 0x76, 0x61, 0x69, 0x6c, 0x61, // U n a v a i l a
|
|
0x62, 0x6c, 0x65, 0x4a, 0x61, 0x6e, 0x20, 0x46, // b l e J a n - F
|
|
0x65, 0x62, 0x20, 0x4d, 0x61, 0x72, 0x20, 0x41, // e b - M a r - A
|
|
0x70, 0x72, 0x20, 0x4d, 0x61, 0x79, 0x20, 0x4a, // p r - M a y - J
|
|
0x75, 0x6e, 0x20, 0x4a, 0x75, 0x6c, 0x20, 0x41, // u n - J u l - A
|
|
0x75, 0x67, 0x20, 0x53, 0x65, 0x70, 0x74, 0x20, // u g - S e p t -
|
|
0x4f, 0x63, 0x74, 0x20, 0x4e, 0x6f, 0x76, 0x20, // O c t - N o v -
|
|
0x44, 0x65, 0x63, 0x20, 0x30, 0x30, 0x3a, 0x30, // D e c - 0 0 - 0
|
|
0x30, 0x3a, 0x30, 0x30, 0x20, 0x4d, 0x6f, 0x6e, // 0 - 0 0 - M o n
|
|
0x2c, 0x20, 0x54, 0x75, 0x65, 0x2c, 0x20, 0x57, // - - T u e - - W
|
|
0x65, 0x64, 0x2c, 0x20, 0x54, 0x68, 0x75, 0x2c, // e d - - T h u -
|
|
0x20, 0x46, 0x72, 0x69, 0x2c, 0x20, 0x53, 0x61, // - F r i - - S a
|
|
0x74, 0x2c, 0x20, 0x53, 0x75, 0x6e, 0x2c, 0x20, // t - - S u n - -
|
|
0x47, 0x4d, 0x54, 0x63, 0x68, 0x75, 0x6e, 0x6b, // G M T c h u n k
|
|
0x65, 0x64, 0x2c, 0x74, 0x65, 0x78, 0x74, 0x2f, // e d - t e x t -
|
|
0x68, 0x74, 0x6d, 0x6c, 0x2c, 0x69, 0x6d, 0x61, // h t m l - i m a
|
|
0x67, 0x65, 0x2f, 0x70, 0x6e, 0x67, 0x2c, 0x69, // g e - p n g - i
|
|
0x6d, 0x61, 0x67, 0x65, 0x2f, 0x6a, 0x70, 0x67, // m a g e - j p g
|
|
0x2c, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x67, // - i m a g e - g
|
|
0x69, 0x66, 0x2c, 0x61, 0x70, 0x70, 0x6c, 0x69, // i f - a p p l i
|
|
0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, // c a t i o n - x
|
|
0x6d, 0x6c, 0x2c, 0x61, 0x70, 0x70, 0x6c, 0x69, // m l - a p p l i
|
|
0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, // c a t i o n - x
|
|
0x68, 0x74, 0x6d, 0x6c, 0x2b, 0x78, 0x6d, 0x6c, // h t m l - x m l
|
|
0x2c, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x70, 0x6c, // - t e x t - p l
|
|
0x61, 0x69, 0x6e, 0x2c, 0x74, 0x65, 0x78, 0x74, // a i n - t e x t
|
|
0x2f, 0x6a, 0x61, 0x76, 0x61, 0x73, 0x63, 0x72, // - j a v a s c r
|
|
0x69, 0x70, 0x74, 0x2c, 0x70, 0x75, 0x62, 0x6c, // i p t - p u b l
|
|
0x69, 0x63, 0x70, 0x72, 0x69, 0x76, 0x61, 0x74, // i c p r i v a t
|
|
0x65, 0x6d, 0x61, 0x78, 0x2d, 0x61, 0x67, 0x65, // e m a x - a g e
|
|
0x3d, 0x67, 0x7a, 0x69, 0x70, 0x2c, 0x64, 0x65, // - g z i p - d e
|
|
0x66, 0x6c, 0x61, 0x74, 0x65, 0x2c, 0x73, 0x64, // f l a t e - s d
|
|
0x63, 0x68, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, // c h c h a r s e
|
|
0x74, 0x3d, 0x75, 0x74, 0x66, 0x2d, 0x38, 0x63, // t - u t f - 8 c
|
|
0x68, 0x61, 0x72, 0x73, 0x65, 0x74, 0x3d, 0x69, // h a r s e t - i
|
|
0x73, 0x6f, 0x2d, 0x38, 0x38, 0x35, 0x39, 0x2d, // s o - 8 8 5 9 -
|
|
0x31, 0x2c, 0x75, 0x74, 0x66, 0x2d, 0x2c, 0x2a, // 1 - u t f - - -
|
|
0x2c, 0x65, 0x6e, 0x71, 0x3d, 0x30, 0x2e // - e n q - 0 -
|
|
};
|
|
|
|
// use for zlib data types
|
|
void *
|
|
SpdyStream3::zlib_allocator(void *opaque, uInt items, uInt size)
|
|
{
|
|
return moz_xmalloc(items * size);
|
|
}
|
|
|
|
// use for zlib data types
|
|
void
|
|
SpdyStream3::zlib_destructor(void *opaque, void *addr)
|
|
{
|
|
moz_free(addr);
|
|
}
|
|
|
|
nsresult
|
|
SpdyStream3::Uncompress(z_stream *context,
|
|
char *blockStart,
|
|
uint32_t blockLen)
|
|
{
|
|
mDecompressedBytes += blockLen;
|
|
|
|
context->avail_in = blockLen;
|
|
context->next_in = reinterpret_cast<unsigned char *>(blockStart);
|
|
bool triedDictionary = false;
|
|
|
|
do {
|
|
context->next_out =
|
|
reinterpret_cast<unsigned char *>(mDecompressBuffer.get()) +
|
|
mDecompressBufferUsed;
|
|
context->avail_out = mDecompressBufferSize - mDecompressBufferUsed;
|
|
int zlib_rv = inflate(context, Z_NO_FLUSH);
|
|
|
|
if (zlib_rv == Z_NEED_DICT) {
|
|
if (triedDictionary) {
|
|
LOG3(("SpdySession3::Uncompress %p Dictionary Error\n", this));
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
triedDictionary = true;
|
|
inflateSetDictionary(context, kDictionary, sizeof(kDictionary));
|
|
}
|
|
|
|
if (zlib_rv == Z_DATA_ERROR || zlib_rv == Z_MEM_ERROR)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// zlib's inflate() decreases context->avail_out by the amount it places
|
|
// in the output buffer
|
|
|
|
mDecompressBufferUsed += mDecompressBufferSize - mDecompressBufferUsed -
|
|
context->avail_out;
|
|
|
|
// When there is no more output room, but input still available then
|
|
// increase the output space
|
|
if (zlib_rv == Z_OK &&
|
|
!context->avail_out && context->avail_in) {
|
|
LOG3(("SpdyStream3::Uncompress %p Large Headers - so far %d",
|
|
this, mDecompressBufferSize));
|
|
SpdySession3::EnsureBuffer(mDecompressBuffer,
|
|
mDecompressBufferSize + 4096,
|
|
mDecompressBufferUsed,
|
|
mDecompressBufferSize);
|
|
}
|
|
}
|
|
while (context->avail_in);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
SpdyStream3::FindHeader(nsCString name,
|
|
nsDependentCSubstring &value)
|
|
{
|
|
const unsigned char *nvpair = reinterpret_cast<unsigned char *>
|
|
(mDecompressBuffer.get()) + 4;
|
|
const unsigned char *lastHeaderByte = reinterpret_cast<unsigned char *>
|
|
(mDecompressBuffer.get()) + mDecompressBufferUsed;
|
|
if (lastHeaderByte < nvpair)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
uint32_t numPairs =
|
|
PR_ntohl(reinterpret_cast<uint32_t *>(mDecompressBuffer.get())[0]);
|
|
for (uint32_t index = 0; index < numPairs; ++index) {
|
|
if (lastHeaderByte < nvpair + 4)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
uint32_t nameLen = (nvpair[0] << 24) + (nvpair[1] << 16) +
|
|
(nvpair[2] << 8) + nvpair[3];
|
|
if (lastHeaderByte < nvpair + 4 + nameLen)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
nsDependentCSubstring nameString =
|
|
Substring(reinterpret_cast<const char *>(nvpair) + 4,
|
|
reinterpret_cast<const char *>(nvpair) + 4 + nameLen);
|
|
if (lastHeaderByte < nvpair + 8 + nameLen)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
uint32_t valueLen = (nvpair[4 + nameLen] << 24) + (nvpair[5 + nameLen] << 16) +
|
|
(nvpair[6 + nameLen] << 8) + nvpair[7 + nameLen];
|
|
if (lastHeaderByte < nvpair + 8 + nameLen + valueLen)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
if (nameString.Equals(name)) {
|
|
value.Assign(((char *)nvpair) + 8 + nameLen, valueLen);
|
|
return NS_OK;
|
|
}
|
|
nvpair += 8 + nameLen + valueLen;
|
|
}
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
// ConvertHeaders is used to convert the response headers
|
|
// in a syn_reply or in 0..N headers frames that follow it into
|
|
// HTTP/1 format
|
|
nsresult
|
|
SpdyStream3::ConvertHeaders(nsACString &aHeadersOut)
|
|
{
|
|
// :status and :version are required.
|
|
nsDependentCSubstring status, version;
|
|
nsresult rv = FindHeader(NS_LITERAL_CSTRING(":status"),
|
|
status);
|
|
if (NS_FAILED(rv))
|
|
return (rv == NS_ERROR_NOT_AVAILABLE) ? NS_ERROR_ILLEGAL_VALUE : rv;
|
|
|
|
rv = FindHeader(NS_LITERAL_CSTRING(":version"),
|
|
version);
|
|
if (NS_FAILED(rv))
|
|
return (rv == NS_ERROR_NOT_AVAILABLE) ? NS_ERROR_ILLEGAL_VALUE : rv;
|
|
|
|
if (mDecompressedBytes && mDecompressBufferUsed) {
|
|
Telemetry::Accumulate(Telemetry::SPDY_SYN_REPLY_SIZE, mDecompressedBytes);
|
|
uint32_t ratio =
|
|
mDecompressedBytes * 100 / mDecompressBufferUsed;
|
|
Telemetry::Accumulate(Telemetry::SPDY_SYN_REPLY_RATIO, ratio);
|
|
}
|
|
|
|
aHeadersOut.Truncate();
|
|
aHeadersOut.SetCapacity(mDecompressBufferUsed + 64);
|
|
|
|
// Connection, Keep-Alive and chunked transfer encodings are to be
|
|
// removed.
|
|
|
|
// Content-Length is 'advisory'.. we will not strip it because it can
|
|
// create UI feedback.
|
|
|
|
aHeadersOut.Append(version);
|
|
aHeadersOut.Append(NS_LITERAL_CSTRING(" "));
|
|
aHeadersOut.Append(status);
|
|
aHeadersOut.Append(NS_LITERAL_CSTRING("\r\n"));
|
|
|
|
const unsigned char *nvpair = reinterpret_cast<unsigned char *>
|
|
(mDecompressBuffer.get()) + 4;
|
|
const unsigned char *lastHeaderByte = reinterpret_cast<unsigned char *>
|
|
(mDecompressBuffer.get()) + mDecompressBufferUsed;
|
|
|
|
if (lastHeaderByte < nvpair)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
uint32_t numPairs =
|
|
PR_ntohl(reinterpret_cast<uint32_t *>(mDecompressBuffer.get())[0]);
|
|
|
|
for (uint32_t index = 0; index < numPairs; ++index) {
|
|
if (lastHeaderByte < nvpair + 4)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
uint32_t nameLen = (nvpair[0] << 24) + (nvpair[1] << 16) +
|
|
(nvpair[2] << 8) + nvpair[3];
|
|
if (lastHeaderByte < nvpair + 4 + nameLen)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
nsDependentCSubstring nameString =
|
|
Substring(reinterpret_cast<const char *>(nvpair) + 4,
|
|
reinterpret_cast<const char *>(nvpair) + 4 + nameLen);
|
|
|
|
if (lastHeaderByte < nvpair + 8 + nameLen)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
// Look for illegal characters in the nameString.
|
|
// This includes upper case characters and nulls (as they will
|
|
// break the fixup-nulls-in-value-string algorithm)
|
|
// Look for upper case characters in the name. They are illegal.
|
|
for (char *cPtr = nameString.BeginWriting();
|
|
cPtr && cPtr < nameString.EndWriting();
|
|
++cPtr) {
|
|
if (*cPtr <= 'Z' && *cPtr >= 'A') {
|
|
nsCString toLog(nameString);
|
|
|
|
LOG3(("SpdyStream3::ConvertHeaders session=%p stream=%p "
|
|
"upper case response header found. [%s]\n",
|
|
mSession, this, toLog.get()));
|
|
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
// check for null characters
|
|
if (*cPtr == '\0')
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
// HTTP Chunked responses are not legal over spdy. We do not need
|
|
// to look for chunked specifically because it is the only HTTP
|
|
// allowed default encoding and we did not negotiate further encodings
|
|
// via TE
|
|
if (nameString.Equals(NS_LITERAL_CSTRING("transfer-encoding"))) {
|
|
LOG3(("SpdyStream3::ConvertHeaders session=%p stream=%p "
|
|
"transfer-encoding found. Chunked is invalid and no TE sent.",
|
|
mSession, this));
|
|
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
uint32_t valueLen =
|
|
(nvpair[4 + nameLen] << 24) + (nvpair[5 + nameLen] << 16) +
|
|
(nvpair[6 + nameLen] << 8) + nvpair[7 + nameLen];
|
|
|
|
if (lastHeaderByte < nvpair + 8 + nameLen + valueLen)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
if (!nameString.Equals(NS_LITERAL_CSTRING(":version")) &&
|
|
!nameString.Equals(NS_LITERAL_CSTRING(":status")) &&
|
|
!nameString.Equals(NS_LITERAL_CSTRING("connection")) &&
|
|
!nameString.Equals(NS_LITERAL_CSTRING("keep-alive"))) {
|
|
nsDependentCSubstring valueString =
|
|
Substring(reinterpret_cast<const char *>(nvpair) + 8 + nameLen,
|
|
reinterpret_cast<const char *>(nvpair) + 8 + nameLen +
|
|
valueLen);
|
|
|
|
aHeadersOut.Append(nameString);
|
|
aHeadersOut.Append(NS_LITERAL_CSTRING(": "));
|
|
|
|
// expand NULL bytes in the value string
|
|
for (char *cPtr = valueString.BeginWriting();
|
|
cPtr && cPtr < valueString.EndWriting();
|
|
++cPtr) {
|
|
if (*cPtr != 0) {
|
|
aHeadersOut.Append(*cPtr);
|
|
continue;
|
|
}
|
|
|
|
// NULLs are really "\r\nhdr: "
|
|
aHeadersOut.Append(NS_LITERAL_CSTRING("\r\n"));
|
|
aHeadersOut.Append(nameString);
|
|
aHeadersOut.Append(NS_LITERAL_CSTRING(": "));
|
|
}
|
|
|
|
aHeadersOut.Append(NS_LITERAL_CSTRING("\r\n"));
|
|
}
|
|
nvpair += 8 + nameLen + valueLen;
|
|
}
|
|
|
|
aHeadersOut.Append(NS_LITERAL_CSTRING("X-Firefox-Spdy: 3\r\n\r\n"));
|
|
LOG (("decoded response headers are:\n%s",
|
|
aHeadersOut.BeginReading()));
|
|
|
|
// The spdy formatted buffer isnt needed anymore - free it up
|
|
mDecompressBuffer = nullptr;
|
|
mDecompressBufferSize = 0;
|
|
mDecompressBufferUsed = 0;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
SpdyStream3::ExecuteCompress(uint32_t flushMode)
|
|
{
|
|
// Expect mZlib->avail_in and mZlib->next_in to be set.
|
|
// Append the compressed version of next_in to mTxInlineFrame
|
|
|
|
do
|
|
{
|
|
uint32_t avail = mTxInlineFrameSize - mTxInlineFrameUsed;
|
|
if (avail < 1) {
|
|
SpdySession3::EnsureBuffer(mTxInlineFrame,
|
|
mTxInlineFrameSize + 2000,
|
|
mTxInlineFrameUsed,
|
|
mTxInlineFrameSize);
|
|
avail = mTxInlineFrameSize - mTxInlineFrameUsed;
|
|
}
|
|
|
|
mZlib->next_out = reinterpret_cast<unsigned char *> (mTxInlineFrame.get()) +
|
|
mTxInlineFrameUsed;
|
|
mZlib->avail_out = avail;
|
|
deflate(mZlib, flushMode);
|
|
mTxInlineFrameUsed += avail - mZlib->avail_out;
|
|
} while (mZlib->avail_in > 0 || !mZlib->avail_out);
|
|
}
|
|
|
|
void
|
|
SpdyStream3::CompressToFrame(uint32_t data)
|
|
{
|
|
// convert the data to 4 byte network byte order and write that
|
|
// to the compressed stream
|
|
data = PR_htonl(data);
|
|
|
|
mZlib->next_in = reinterpret_cast<unsigned char *> (&data);
|
|
mZlib->avail_in = 4;
|
|
ExecuteCompress(Z_NO_FLUSH);
|
|
}
|
|
|
|
|
|
void
|
|
SpdyStream3::CompressToFrame(const char *data, uint32_t len)
|
|
{
|
|
// Format calls for a network ordered 32 bit length
|
|
// followed by the utf8 string
|
|
|
|
uint32_t networkLen = PR_htonl(len);
|
|
|
|
// write out the length
|
|
mZlib->next_in = reinterpret_cast<unsigned char *> (&networkLen);
|
|
mZlib->avail_in = 4;
|
|
ExecuteCompress(Z_NO_FLUSH);
|
|
|
|
// write out the data
|
|
mZlib->next_in = (unsigned char *)data;
|
|
mZlib->avail_in = len;
|
|
ExecuteCompress(Z_NO_FLUSH);
|
|
}
|
|
|
|
void
|
|
SpdyStream3::CompressFlushFrame()
|
|
{
|
|
mZlib->next_in = (unsigned char *) "";
|
|
mZlib->avail_in = 0;
|
|
ExecuteCompress(Z_SYNC_FLUSH);
|
|
}
|
|
|
|
void
|
|
SpdyStream3::Close(nsresult reason)
|
|
{
|
|
mTransaction->Close(reason);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsAHttpSegmentReader
|
|
//-----------------------------------------------------------------------------
|
|
|
|
nsresult
|
|
SpdyStream3::OnReadSegment(const char *buf,
|
|
uint32_t count,
|
|
uint32_t *countRead)
|
|
{
|
|
LOG3(("SpdyStream3::OnReadSegment %p count=%d state=%x",
|
|
this, count, mUpstreamState));
|
|
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
NS_ABORT_IF_FALSE(mSegmentReader, "OnReadSegment with null mSegmentReader");
|
|
|
|
nsresult rv = NS_ERROR_UNEXPECTED;
|
|
uint32_t dataLength;
|
|
|
|
switch (mUpstreamState) {
|
|
case GENERATING_SYN_STREAM:
|
|
// The buffer is the HTTP request stream, including at least part of the
|
|
// HTTP request header. This state's job is to build a SYN_STREAM frame
|
|
// from the header information. count is the number of http bytes available
|
|
// (which may include more than the header), and in countRead we return
|
|
// the number of those bytes that we consume (i.e. the portion that are
|
|
// header bytes)
|
|
|
|
rv = ParseHttpRequestHeaders(buf, count, countRead);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
LOG3(("ParseHttpRequestHeaders %p used %d of %d. complete = %d",
|
|
this, *countRead, count, mSynFrameComplete));
|
|
if (mSynFrameComplete) {
|
|
NS_ABORT_IF_FALSE(mTxInlineFrameUsed,
|
|
"OnReadSegment SynFrameComplete 0b");
|
|
rv = TransmitFrame(nullptr, nullptr);
|
|
NS_ABORT_IF_FALSE(NS_FAILED(rv) || !mTxInlineFrameUsed,
|
|
"Transmit Frame should be all or nothing");
|
|
|
|
// normalize a blocked write into an ok one if we have consumed the data
|
|
// while parsing headers as some code will take WOULD_BLOCK to mean an
|
|
// error with nothing processed.
|
|
// (e.g. nsHttpTransaction::ReadRequestSegment())
|
|
if (rv == NS_BASE_STREAM_WOULD_BLOCK && *countRead)
|
|
rv = NS_OK;
|
|
|
|
// mTxInlineFrameUsed > 0 means the current frame is in progress
|
|
// of sending. mTxInlineFrameUsed is dropped to 0 after both the frame
|
|
// and its payload (if any) are completely sent out. Here during
|
|
// GENERATING_SYN_STREAM state we are sending just the http headers.
|
|
// Only when the frame is completely sent out do we proceed to
|
|
// GENERATING_REQUEST_BODY state.
|
|
|
|
if (mTxInlineFrameUsed)
|
|
ChangeState(SENDING_SYN_STREAM);
|
|
else
|
|
ChangeState(GENERATING_REQUEST_BODY);
|
|
break;
|
|
}
|
|
NS_ABORT_IF_FALSE(*countRead == count,
|
|
"Header parsing not complete but unused data");
|
|
break;
|
|
|
|
case GENERATING_REQUEST_BODY:
|
|
if (mRemoteWindow <= 0) {
|
|
*countRead = 0;
|
|
LOG3(("SpdyStream3 this=%p, id 0x%X request body suspended because "
|
|
"remote window is %d.\n", this, mStreamID, mRemoteWindow));
|
|
mBlockedOnRwin = true;
|
|
return NS_BASE_STREAM_WOULD_BLOCK;
|
|
}
|
|
mBlockedOnRwin = false;
|
|
|
|
dataLength = NS_MIN(count, mChunkSize);
|
|
|
|
if (dataLength > mRemoteWindow)
|
|
dataLength = mRemoteWindow;
|
|
|
|
LOG3(("SpdyStream3 this=%p id 0x%X remote window is %d. Chunk is %d\n",
|
|
this, mStreamID, mRemoteWindow, dataLength));
|
|
mRemoteWindow -= dataLength;
|
|
|
|
LOG3(("SpdyStream3 %p id %x request len remaining %d, "
|
|
"count avail %d, chunk used %d",
|
|
this, mStreamID, mRequestBodyLenRemaining, count, dataLength));
|
|
if (dataLength > mRequestBodyLenRemaining)
|
|
return NS_ERROR_UNEXPECTED;
|
|
mRequestBodyLenRemaining -= dataLength;
|
|
GenerateDataFrameHeader(dataLength, !mRequestBodyLenRemaining);
|
|
ChangeState(SENDING_REQUEST_BODY);
|
|
// NO BREAK
|
|
|
|
case SENDING_REQUEST_BODY:
|
|
NS_ABORT_IF_FALSE(mTxInlineFrameUsed, "OnReadSegment Send Data Header 0b");
|
|
rv = TransmitFrame(buf, countRead);
|
|
NS_ABORT_IF_FALSE(NS_FAILED(rv) || !mTxInlineFrameUsed,
|
|
"Transmit Frame should be all or nothing");
|
|
|
|
LOG3(("TransmitFrame() rv=%x returning %d data bytes. "
|
|
"Header is %d Body is %d.",
|
|
rv, *countRead, mTxInlineFrameUsed, mTxStreamFrameSize));
|
|
|
|
// normalize a partial write with a WOULD_BLOCK into just a partial write
|
|
// as some code will take WOULD_BLOCK to mean an error with nothing
|
|
// written (e.g. nsHttpTransaction::ReadRequestSegment()
|
|
if (rv == NS_BASE_STREAM_WOULD_BLOCK && *countRead)
|
|
rv = NS_OK;
|
|
|
|
// If that frame was all sent, look for another one
|
|
if (!mTxInlineFrameUsed)
|
|
ChangeState(GENERATING_REQUEST_BODY);
|
|
break;
|
|
|
|
case SENDING_SYN_STREAM:
|
|
rv = NS_BASE_STREAM_WOULD_BLOCK;
|
|
break;
|
|
|
|
case SENDING_FIN_STREAM:
|
|
NS_ABORT_IF_FALSE(false,
|
|
"resuming partial fin stream out of OnReadSegment");
|
|
break;
|
|
|
|
default:
|
|
NS_ABORT_IF_FALSE(false, "SpdyStream3::OnReadSegment non-write state");
|
|
break;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsAHttpSegmentWriter
|
|
//-----------------------------------------------------------------------------
|
|
|
|
nsresult
|
|
SpdyStream3::OnWriteSegment(char *buf,
|
|
uint32_t count,
|
|
uint32_t *countWritten)
|
|
{
|
|
LOG3(("SpdyStream3::OnWriteSegment %p count=%d state=%x",
|
|
this, count, mUpstreamState));
|
|
|
|
NS_ABORT_IF_FALSE(PR_GetCurrentThread() == gSocketThread, "wrong thread");
|
|
NS_ABORT_IF_FALSE(mSegmentWriter, "OnWriteSegment with null mSegmentWriter");
|
|
|
|
return mSegmentWriter->OnWriteSegment(buf, count, countWritten);
|
|
}
|
|
|
|
} // namespace mozilla::net
|
|
} // namespace mozilla
|
|
|