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Support customization of supported keepalive count per transport

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This change specifies the required minimum supported keepalives
in SDK, and allows OEMs to customize supported keepalive count
per network through resource overlay.

Bug: 129371366
Test: 1. m -j doc-comment-check-docs
      2. atest FrameworksNetTests

Change-Id: I0218f3674628c13ead63fc9a873895ba7f113033
This commit is contained in:
junyulai 2019-04-17 15:22:46 +08:00
commit 15e26fb485
1 changed files with 300 additions and 13 deletions
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4
core/java/android/net/SocketKeepalive.java
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@ -43,6 +43,10 @@ import java.util.concurrent.Executor;
* To stop an existing keepalive, call {@link SocketKeepalive#stop}. The system will call
* {@link SocketKeepalive.Callback#onStopped} if the operation was successful or
* {@link SocketKeepalive.Callback#onError} if an error occurred.
*
* The device SHOULD support keepalive offload. If it does not, it MUST reply with
* {@link SocketKeepalive.Callback#onError} with {@code ERROR_UNSUPPORTED} to any keepalive offload
* request. If it does, it MUST support at least 3 concurrent keepalive slots per transport.
*/
public abstract class SocketKeepalive implements AutoCloseable {
static final String TAG = "SocketKeepalive";