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Diffstat (limited to 'common/device/com/android/net/module/util/async/AsyncFile.java')
-rw-r--r--common/device/com/android/net/module/util/async/AsyncFile.java78
1 files changed, 0 insertions, 78 deletions
diff --git a/common/device/com/android/net/module/util/async/AsyncFile.java b/common/device/com/android/net/module/util/async/AsyncFile.java
deleted file mode 100644
index 2a3231b7..00000000
--- a/common/device/com/android/net/module/util/async/AsyncFile.java
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.net.module.util.async;
-
-import java.io.IOException;
-
-/**
- * Represents an EventManager-managed file with Async IO semantics.
- *
- * Implements level-based Asyn IO semantics. This means that:
- * - onReadReady() callback would keep happening as long as there's any remaining
- * data to read, or the user calls enableReadEvents(false)
- * - onWriteReady() callback would keep happening as long as there's remaining space
- * to write to, or the user calls enableWriteEvents(false)
- *
- * All operations except close() must be called on the EventManager thread.
- *
- * @hide
- */
-public interface AsyncFile {
- /**
- * Receives notifications when file readability or writeability changes.
- * @hide
- */
- public interface Listener {
- /** Invoked after the underlying file has been closed. */
- void onClosed(AsyncFile file);
-
- /** Invoked while the file has readable data and read notifications are enabled. */
- void onReadReady(AsyncFile file);
-
- /** Invoked while the file has writeable space and write notifications are enabled. */
- void onWriteReady(AsyncFile file);
- }
-
- /** Requests this file to be closed. */
- void close();
-
- /** Enables or disables onReadReady() events. */
- void enableReadEvents(boolean enable);
-
- /** Enables or disables onWriteReady() events. */
- void enableWriteEvents(boolean enable);
-
- /** Returns true if the input stream has reached its end, or has been closed. */
- boolean reachedEndOfFile();
-
- /**
- * Reads available data from the given non-blocking file descriptor.
- *
- * Returns zero if there's no data to read at this moment.
- * Returns -1 if the file has reached its end or the input stream has been closed.
- * Otherwise returns the number of bytes read.
- */
- int read(byte[] buffer, int pos, int len) throws IOException;
-
- /**
- * Writes data into the given non-blocking file descriptor.
- *
- * Returns zero if there's no buffer space to write to at this moment.
- * Otherwise returns the number of bytes written.
- */
- int write(byte[] buffer, int pos, int len) throws IOException;
-}