summaryrefslogtreecommitdiffstats
path: root/netwerk/base/nsAsyncStreamCopier.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /netwerk/base/nsAsyncStreamCopier.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'netwerk/base/nsAsyncStreamCopier.h')
-rw-r--r--netwerk/base/nsAsyncStreamCopier.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/netwerk/base/nsAsyncStreamCopier.h b/netwerk/base/nsAsyncStreamCopier.h
new file mode 100644
index 0000000000..120218c3c7
--- /dev/null
+++ b/netwerk/base/nsAsyncStreamCopier.h
@@ -0,0 +1,76 @@
+/* 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/. */
+
+#ifndef nsAsyncStreamCopier_h__
+#define nsAsyncStreamCopier_h__
+
+#include "nsIAsyncStreamCopier.h"
+#include "nsIAsyncStreamCopier2.h"
+#include "mozilla/Mutex.h"
+#include "nsStreamUtils.h"
+#include "nsCOMPtr.h"
+
+class nsIRequestObserver;
+
+//-----------------------------------------------------------------------------
+
+class nsAsyncStreamCopier final : public nsIAsyncStreamCopier,
+ nsIAsyncStreamCopier2 {
+ public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+ NS_DECL_NSIREQUEST
+ NS_DECL_NSIASYNCSTREAMCOPIER
+
+ // nsIAsyncStreamCopier2
+ // We declare it by hand instead of NS_DECL_NSIASYNCSTREAMCOPIER2
+ // as nsIAsyncStreamCopier2 duplicates methods of nsIAsyncStreamCopier
+ NS_IMETHOD Init(nsIInputStream* aSource, nsIOutputStream* aSink,
+ nsIEventTarget* aTarget, uint32_t aChunkSize,
+ bool aCloseSource, bool aCloseSink) override;
+
+ nsAsyncStreamCopier();
+
+ //-------------------------------------------------------------------------
+ // these methods may be called on any thread
+
+ bool IsComplete(nsresult* status = nullptr);
+ void Complete(nsresult status);
+
+ private:
+ virtual ~nsAsyncStreamCopier();
+
+ nsresult InitInternal(nsIInputStream* source, nsIOutputStream* sink,
+ nsIEventTarget* target, uint32_t chunkSize,
+ bool closeSource, bool closeSink);
+
+ static void OnAsyncCopyComplete(void*, nsresult);
+
+ void AsyncCopyInternal();
+ nsresult ApplyBufferingPolicy();
+ nsIRequest* AsRequest();
+
+ nsCOMPtr<nsIInputStream> mSource;
+ nsCOMPtr<nsIOutputStream> mSink;
+
+ nsCOMPtr<nsIRequestObserver> mObserver;
+
+ nsCOMPtr<nsIEventTarget> mTarget;
+
+ nsCOMPtr<nsISupports> mCopierCtx MOZ_GUARDED_BY(mLock);
+
+ mozilla::Mutex mLock{"nsAsyncStreamCopier.mLock"};
+
+ nsAsyncCopyMode mMode{NS_ASYNCCOPY_VIA_READSEGMENTS};
+ uint32_t mChunkSize; // only modified in Init
+ nsresult mStatus MOZ_GUARDED_BY(mLock){NS_OK};
+ bool mIsPending MOZ_GUARDED_BY(mLock){false};
+ bool mCloseSource MOZ_GUARDED_BY(mLock){false};
+ bool mCloseSink MOZ_GUARDED_BY(mLock){false};
+ bool mShouldSniffBuffering{false}; // only modified in Init
+
+ friend class ProceedWithAsyncCopy;
+ friend class AsyncApplyBufferingPolicyEvent;
+};
+
+#endif // !nsAsyncStreamCopier_h__