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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 [JavaPackage="org.chromium.mojo.bindings.interfacecontrol"] | |
| 6 module mojo.interface_control2; | |
| 7 | |
| 8 // For each user-defined interface, some control functions are provided by the | |
| 9 // interface endpoints at both sides. | |
| 10 | |
| 11 //////////////////////////////////////////////////////////////////////////////// | |
| 12 // Run@0xFFFFFFFF(RunInput input) => (RunOutput? output); | |
| 13 // | |
| 14 // This control function runs the input command. If the command is not | |
| 15 // supported, |output| is set to null; otherwise |output| stores the result, | |
| 16 // whose type depends on the input. | |
| 17 | |
| 18 const uint32 kRunMessageId = 0xFFFFFFFF; | |
| 19 | |
| 20 struct RunMessageParams { | |
| 21 RunInput input; | |
| 22 }; | |
| 23 union RunInput { | |
| 24 QueryVersion query_version; | |
| 25 FlushForTesting flush_for_testing; | |
| 26 }; | |
| 27 | |
| 28 struct RunResponseMessageParams { | |
| 29 RunOutput? output; | |
| 30 }; | |
| 31 union RunOutput { | |
| 32 QueryVersionResult query_version_result; | |
| 33 }; | |
| 34 | |
| 35 // Queries the max supported version of the user-defined interface. | |
| 36 // Sent by the interface client side. | |
| 37 struct QueryVersion { | |
| 38 }; | |
| 39 struct QueryVersionResult { | |
| 40 uint32 version; | |
| 41 }; | |
| 42 | |
| 43 // Sent by either side of the interface. | |
| 44 struct FlushForTesting { | |
| 45 }; | |
| 46 | |
| 47 //////////////////////////////////////////////////////////////////////////////// | |
| 48 // RunOrClosePipe@0xFFFFFFFE(RunOrClosePipeInput input); | |
| 49 // | |
| 50 // This control function runs the input command. If the operation fails or the | |
| 51 // command is not supported, the message pipe is closed. | |
| 52 | |
| 53 const uint32 kRunOrClosePipeMessageId = 0xFFFFFFFE; | |
| 54 | |
| 55 struct RunOrClosePipeMessageParams { | |
| 56 RunOrClosePipeInput input; | |
| 57 }; | |
| 58 union RunOrClosePipeInput { | |
| 59 RequireVersion require_version; | |
| 60 }; | |
| 61 | |
| 62 // If the specified version of the user-defined interface is not supported, the | |
| 63 // function fails and the pipe is closed. | |
| 64 // Sent by the interface client side. | |
| 65 struct RequireVersion { | |
| 66 uint32 version; | |
| 67 }; | |
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