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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
[JavaPackage="org.chromium.mojo.bindings.interfacecontrol"]
module mojo.interface_control2;
// For each user-defined interface, some control functions are provided by the
// interface endpoints at both sides.
////////////////////////////////////////////////////////////////////////////////
// Run@0xFFFFFFFF(RunInput input) => (RunOutput? output);
//
// This control function runs the input command. If the command is not
// supported, |output| is set to null; otherwise |output| stores the result,
// whose type depends on the input.
const uint32 kRunMessageId = 0xFFFFFFFF;
struct RunMessageParams {
RunInput input;
};
union RunInput {
QueryVersion query_version;
FlushForTesting flush_for_testing;
};
struct RunResponseMessageParams {
RunOutput? output;
};
union RunOutput {
QueryVersionResult query_version_result;
};
// Queries the max supported version of the user-defined interface.
// Sent by the interface client side.
struct QueryVersion {
};
struct QueryVersionResult {
uint32 version;
};
// Sent by either side of the interface.
struct FlushForTesting {
};
////////////////////////////////////////////////////////////////////////////////
// RunOrClosePipe@0xFFFFFFFE(RunOrClosePipeInput input);
//
// This control function runs the input command. If the operation fails or the
// command is not supported, the message pipe is closed.
const uint32 kRunOrClosePipeMessageId = 0xFFFFFFFE;
struct RunOrClosePipeMessageParams {
RunOrClosePipeInput input;
};
union RunOrClosePipeInput {
RequireVersion require_version;
};
// If the specified version of the user-defined interface is not supported, the
// function fails and the pipe is closed.
// Sent by the interface client side.
struct RequireVersion {
uint32 version;
};
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