gecko/netwerk/protocol/http/PHttpChannel.ipdl

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jason Duell <jduell.mcbugs@gmail.com>
* Honza Bambas <honzab@firemni.cz>
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*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
include protocol PNecko;
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include "mozilla/net/PHttpChannelParams.h";
include "mozilla/net/NeckoMessageUtils.h";
using RequestHeaderTuples;
using nsHttpResponseHead;
using nsHttpAtom;
using IPC::URI;
using IPC::InputStream;
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namespace mozilla {
namespace net {
//-------------------------------------------------------------------
protocol PHttpChannel
{
manager PNecko;
parent:
AsyncOpen(URI uri,
// - TODO: bug 571161: unclear if any HTTP channel clients ever
// set originalURI != uri (about:credits?); also not clear if
// chrome channel would ever need to know. Get rid of next arg?
URI original,
URI doc,
URI referrer,
PRUint32 loadFlags,
RequestHeaderTuples requestHeaders,
nsHttpAtom requestMethod,
InputStream uploadStream,
PRBool uploadStreamHasHeaders,
PRUint16 priority,
PRUint8 redirectionLimit,
PRBool allowPipelining,
PRBool forceAllowThirdPartyCookie,
bool resumeAt,
PRUint64 startPos,
nsCString entityID,
bool chooseApplicationCache,
nsCString appCacheClientID);
ConnectChannel(PRUint32 channelId);
SetPriority(PRUint16 priority);
SetCacheTokenCachedCharset(nsCString charset);
UpdateAssociatedContentSecurity(PRInt32 high,
PRInt32 low,
PRInt32 broken,
PRInt32 no);
Suspend();
Resume();
Cancel(nsresult status);
// Reports approval/veto of redirect by child process redirect observers
Redirect2Verify(nsresult result, RequestHeaderTuples changedHeaders);
// For document loads we keep this protocol open after child's
// OnStopRequest, and send this msg (instead of __delete__) to allow
// partial cleanup on parent.
DocumentChannelCleanup();
// This might have to be sync. If this fails we must fail the document load
// to avoid endless loop.
//
// Explanation: the document loaded was loaded from the offline cache. But
// the cache group id (the manifest URL) of the cache group it was loaded
// from is different then the manifest the document refers to in the html
// tag. If we detect this during the cache selection algorithm, we must not
// load this document from the offline cache group it was just loaded from.
// Marking the cache entry as foreign in its cache group will prevent
// the document to load from the bad offline cache group. After it is marked,
// we reload the document to take the effect. If we fail to mark the entry
// as foreign, we will end up in the same situation and reload again and
// again, indefinitely.
MarkOfflineCacheEntryAsForeign();
__delete__();
child:
OnStartRequest(nsHttpResponseHead responseHead,
PRBool useResponseHead,
RequestHeaderTuples requestHeaders,
PRBool isFromCache,
PRBool cacheEntryAvailable,
PRUint32 cacheExpirationTime,
nsCString cachedCharset,
nsCString securityInfoSerialization);
OnDataAvailable(nsCString data,
PRUint32 offset,
PRUint32 count);
OnStopRequest(nsresult statusCode);
OnProgress(PRUint64 progress, PRUint64 progressMax);
OnStatus(nsresult status, nsString statusArg);
// Used to cancel child channel if we hit errors during creating and
// AsyncOpen of nsHttpChannel on the parent.
CancelEarly(nsresult status);
// Called to initiate content channel redirect, starts talking to sinks
// on the content process and reports result via Redirect2Verify above
Redirect1Begin(PRUint32 newChannelId,
URI newUri,
PRUint32 redirectFlags,
nsHttpResponseHead responseHead);
// Called if redirect successful so that child can complete setup.
Redirect3Complete();
// Associte the child with an application ids
AssociateApplicationCache(nsCString groupID,
nsCString clientID);
// Tell child to delete channel (all IPDL deletes must be done from child to
// avoid races: see bug 591708).
DeleteSelf();
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};
} // namespace net
} // namespace mozilla