2012-05-25 21:37:01 +00:00
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/* -*- 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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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2012
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick McManus <mcmanus@ducksong.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsHttp.h"
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2012-05-25 21:37:08 +00:00
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#include "nsHttpHandler.h"
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2012-05-25 21:37:01 +00:00
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#include "ASpdySession.h"
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#include "SpdySession2.h"
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2012-05-25 21:37:08 +00:00
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#include "SpdySession3.h"
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2012-05-25 21:37:01 +00:00
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#include "mozilla/Telemetry.h"
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namespace mozilla {
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namespace net {
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ASpdySession *
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ASpdySession::NewSpdySession(PRUint32 version,
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nsAHttpTransaction *aTransaction,
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nsISocketTransport *aTransport,
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PRInt32 aPriority)
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{
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// This is a necko only interface, so we can enforce version
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// requests as a precondition
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2012-05-25 21:37:08 +00:00
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NS_ABORT_IF_FALSE(version == SpdyInformation::SPDY_VERSION_2 ||
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version == SpdyInformation::SPDY_VERSION_3,
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"Unsupported spdy version");
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// Don't do a runtime check of IsSpdyV?Enabled() here because pref value
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// may have changed since starting negotiation. The selected protocol comes
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// from a list provided in the SERVER HELLO filtered by our acceptable
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// versions, so there is no risk of the server ignoring our prefs.
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2012-05-25 21:37:01 +00:00
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Telemetry::Accumulate(Telemetry::SPDY_VERSION, version);
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2012-05-25 21:37:08 +00:00
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if (version == SpdyInformation::SPDY_VERSION_2)
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return new SpdySession2(aTransaction, aTransport, aPriority);
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return new SpdySession3(aTransaction, aTransport, aPriority);
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2012-05-25 21:37:01 +00:00
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}
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SpdyInformation::SpdyInformation()
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{
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2012-05-25 21:37:08 +00:00
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// list the preferred version first
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Version[0] = SPDY_VERSION_3;
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VersionString[0] = NS_LITERAL_CSTRING("spdy/3");
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AlternateProtocolString[0] = NS_LITERAL_CSTRING("443:npn-spdy/3");
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2012-05-25 21:37:01 +00:00
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2012-05-25 21:37:08 +00:00
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Version[1] = SPDY_VERSION_2;
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VersionString[1] = NS_LITERAL_CSTRING("spdy/2");
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AlternateProtocolString[1] = NS_LITERAL_CSTRING("443:npn-spdy/2");
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2012-05-25 21:37:01 +00:00
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}
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bool
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SpdyInformation::ProtocolEnabled(PRUint32 index)
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{
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if (index == 0)
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2012-05-25 21:37:08 +00:00
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return gHttpHandler->IsSpdyV3Enabled();
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2012-05-25 21:37:01 +00:00
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if (index == 1)
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2012-05-25 21:37:08 +00:00
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return gHttpHandler->IsSpdyV2Enabled();
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2012-05-25 21:37:01 +00:00
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NS_ABORT_IF_FALSE(false, "index out of range");
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return false;
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}
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nsresult
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SpdyInformation::GetNPNVersionIndex(const nsACString &npnString,
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PRUint8 *result)
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{
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if (npnString.IsEmpty())
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return NS_ERROR_FAILURE;
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if (npnString.Equals(VersionString[0]))
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*result = Version[0];
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else if (npnString.Equals(VersionString[1]))
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*result = Version[1];
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else
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return NS_ERROR_FAILURE;
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return NS_OK;
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}
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nsresult
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SpdyInformation::GetAlternateProtocolVersionIndex(const char *val,
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PRUint8 *result)
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{
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if (!val || !val[0])
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return NS_ERROR_FAILURE;
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if (ProtocolEnabled(0) && nsHttp::FindToken(val,
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AlternateProtocolString[0].get(),
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HTTP_HEADER_VALUE_SEPS))
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*result = Version[0];
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else if (ProtocolEnabled(1) && nsHttp::FindToken(val,
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AlternateProtocolString[1].get(),
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HTTP_HEADER_VALUE_SEPS))
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*result = Version[1];
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else
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return NS_ERROR_FAILURE;
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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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