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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 : */
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+include protocol PNecko;
+include InputStreamParams;
+include PBackgroundSharedTypes;
+include NeckoChannelParams;
+include IPCServiceWorkerDescriptor;
+include IPCStream;
+include HttpChannelParams;
+
+include "mozilla/dom/ReferrerInfoUtils.h";
+include "mozilla/net/NeckoMessageUtils.h";
+include "mozilla/net/ClassOfService.h";
+
+using mozilla::OriginAttributes from "mozilla/ipc/BackgroundUtils.h";
+using mozilla::net::ClassOfService from "mozilla/net/ClassOfService.h";
+[RefCounted] using class nsIURI from "mozilla/ipc/URIUtils.h";
+
+namespace mozilla {
+namespace net {
+
+//-------------------------------------------------------------------
+[ChildImpl=virtual, ParentImpl=virtual]
+protocol PHttpChannel
+{
+ manager PNecko;
+
+parent:
+ // Note: channels are opened during construction, so no open method here:
+ // see PNecko.ipdl
+
+ async SetClassOfService(ClassOfService cos);
+
+ async Suspend();
+ async Resume();
+
+ async Cancel(nsresult status, uint32_t requestBlockingReason,
+ nsCString aReason, nsCString? logString);
+
+ // Reports approval/veto of redirect by child process redirect observers
+ async Redirect2Verify(nsresult result, RequestHeaderTuples changedHeaders,
+ uint32_t sourceRequestBlockingReason,
+ ChildLoadInfoForwarderArgs? targetLoadInfoForwarder,
+ uint32_t loadFlags,
+ nullable nsIReferrerInfo referrerInfo,
+ nullable nsIURI apiRedirectTo,
+ CorsPreflightArgs? corsPreflightArgs);
+
+ // 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.
+ async DocumentChannelCleanup(bool clearCacheEntry);
+
+ // Child has detected a CORS check failure, so needs to tell the parent
+ // to remove any matching entry from the CORS preflight cache.
+ async RemoveCorsPreflightCacheEntry(nullable nsIURI uri,
+ PrincipalInfo requestingPrincipal,
+ OriginAttributes originAttributes);
+
+ // After receiving this message, the parent calls SendDeleteSelf, and makes
+ // sure not to send any more messages after that.
+ async DeletingChannel();
+
+ // Called to get the input stream when altData was delivered.
+ async OpenOriginalCacheInputStream();
+
+ // Tell the parent the amount bytes read by child for the e10s back pressure
+ // flow control
+ async BytesRead(int32_t count);
+
+ async __delete__();
+
+child:
+ // Used to cancel child channel if we hit errors during creating and
+ // AsyncOpen of nsHttpChannel on the parent.
+ async FailedAsyncOpen(nsresult status);
+
+ // OnStartRequest is sent over PHttpBackgroundChannel. However, sometime we
+ // need to wait for some PContent IPCs, e.g., permission, cookies. Those IPC
+ // are sent just before the background thread OnStartRequest, which is racy.
+ // Therefore, need one main thread IPC event for synchronizing the event
+ // sequence.
+ async OnStartRequestSent();
+
+ // Called to initiate content channel redirect, starts talking to sinks
+ // on the content process and reports result via Redirect2Verify above
+ async Redirect1Begin(uint32_t registrarId,
+ nullable nsIURI newOriginalUri,
+ uint32_t newLoadFlags,
+ uint32_t redirectFlags,
+ ParentLoadInfoForwarderArgs loadInfoForwarder,
+ nsHttpResponseHead responseHead,
+ nullable nsITransportSecurityInfo securityInfo,
+ uint64_t channelId,
+ NetAddr oldPeerAddr,
+ ResourceTimingStructArgs timing);
+
+ // Called if redirect successful so that child can complete setup.
+ async Redirect3Complete();
+
+ // Called if the redirect failed/was vetoed
+ async RedirectFailed(nsresult status);
+
+ // Report a security message to the console associated with this
+ // channel.
+ async ReportSecurityMessage(nsString messageTag, nsString messageCategory);
+
+ // Tell child to delete channel (all IPDL deletes must be done from child to
+ // avoid races: see bug 591708).
+ async DeleteSelf();
+
+ // When CORS blocks the request in the parent process, it doesn't have the
+ // correct window ID, so send the message to the child for logging to the web
+ // console.
+ async LogBlockedCORSRequest(nsString message,
+ nsCString category,
+ bool isWarning);
+
+ async LogMimeTypeMismatch(nsCString messageName,
+ bool warning,
+ nsString url,
+ nsString contentType);
+
+ async OriginalCacheInputStreamAvailable(IPCStream? stream);
+
+
+both:
+ async SetPriority(int16_t priority);
+};
+
+
+} // namespace net
+} // namespace mozilla