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Example for a Serialization Protocol (SOME/IP) Document Version 1.1.0
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Example for a Serialization Protocol (SOME/IP)
V1.1.0
R4.1 Rev 3
Document Title
Example for a Serialization
Protocol (SOME/IP)
Document Owner AUTOSAR
Document Responsibility AUTOSAR
Document Identification No 637
Document Classification Auxiliary
Document Version 1.1.0
Document Status Final
Part of Release 4.1
Revision 3
Document Change History
Date Version Changed by Description
31.03.2014 1.1.0
AUTOSAR
Release
Management
• Added support for bitfields
• Client ID is configurable
• Defined applicability of
SOME/IP-SD Options for entry
types
06.03.2013 1.0.0
AUTOSAR
Administration
Initial Release
1 of 97
— AUTOSAR CONFIDENTIAL —
Document ID 637: AUTOSAR_TR_SomeIpExample

Example for a Serialization Protocol (SOME/IP)
V1.1.0
R4.1 Rev 3
Disclaimer
This specification and the material contained in it, as released by AUTOSAR is for the
purpose of information only. AUTOSAR and the companies that have contributed to it
shall not be liable for any use of the specification.
The material contained in this specification is protected by copyright and other types of
Intellectual Property Rights. The commercial exploitation of the material contained in
this specification requires a license to such Intellectual Property Rights.
This specification may be utilized or reproduced without any modification, in any form
or by any means, for informational purposes only.
For any other purpose, no part of the specification may be utilized or reproduced, in
any form or by any means, without permission in writing from the publisher.
The AUTOSAR specifications have been developed for automotive applications only.
They have neither been developed, nor tested for non-automotive applications.
The word AUTOSAR and the AUTOSAR logo are registered trademarks.
Advice for users
AUTOSAR Specification Documents may contain exemplary items (exemplary refer-
ence models, "use cases", and/or references to exemplary technical solutions, devices,
processes or software).
Any such exemplary items are contained in the Specification Documents for illustration
purposes only, and they themselves are not part of the AUTOSAR Standard. Nei-
ther their presence in such Specification Documents, nor any later documentation of
AUTOSAR conformance of products actually implementing such exemplary items, im-
ply that intellectual property rights covering such exemplary items are licensed under
the same rules as applicable to the AUTOSAR Standard.
2 of 97
— AUTOSAR CONFIDENTIAL —
Document ID 637: AUTOSAR_TR_SomeIpExample

Example for a Serialization Protocol (SOME/IP)
V1.1.0
R4.1 Rev 3
Table of Contents
1 Introduction and functional overview 6
2 Acronyms and Abbreviations 8
3 Related documentation 10
3.1 Input documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Related standards and norms . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3 Related specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 Constraints and assumptions 12
4.1 Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2 Applicability to car domains . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 Dependencies to other modules 13
5.1 File structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.1.1 Code file structure . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.1.2 Header file structure . . . . . . . . . . . . . . . . . . . . . . . . . 13
6 Functional specification 14
6.1 Definition of Identifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.2 Specification of the SOME/IP on-wire format . . . . . . . . . . . . . . . 15
6.2.1 Transport Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.2.1.1 Message Length Limitations . . . . . . . . . . . . . . . 15
6.2.2 Endianess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.2.3 Header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.2.3.1 IP-Address / port numbers . . . . . . . . . . . . . . . . 17
6.2.3.2 Message ID [32 Bit] . . . . . . . . . . . . . . . . . . . . 17
6.2.3.3 Length [32 Bit] . . . . . . . . . . . . . . . . . . . . . . . 18
6.2.3.4 Request ID [32 Bit] . . . . . . . . . . . . . . . . . . . . 19
6.2.3.5 Protocol Version [8 Bit] . . . . . . . . . . . . . . . . . . 20
6.2.3.6 Interface Version [8 Bit] . . . . . . . . . . . . . . . . . . 20
6.2.3.7 Message Type [8 Bit] . . . . . . . . . . . . . . . . . . . 20
6.2.3.8 Return Code [8 Bit] . . . . . . . . . . . . . . . . . . . . 21
6.2.3.9 Payload [variable size] . . . . . . . . . . . . . . . . . . . 21
6.2.4 Serialization of Parameters and Data Structures . . . . . . . . . 22
6.2.4.1 Basic Datatypes . . . . . . . . . . . . . . . . . . . . . . 22
6.2.4.2 Structured Datatypes (structs) . . . . . . . . . . . . . . 23
6.2.4.3 Strings (fixed length) . . . . . . . . . . . . . . . . . . . 24
6.2.4.4 Strings (dynamic length) . . . . . . . . . . . . . . . . . 25
6.2.4.5 Arrays (fixed length) . . . . . . . . . . . . . . . . . . . . 26
6.2.4.6 Optional Parameters / Optional Elements . . . . . . . . 27
6.2.4.7 Dynamic Length Arrays . . . . . . . . . . . . . . . . . . 27
6.2.4.8 Enumeration . . . . . . . . . . . . . . . . . . . . . . . . 29
6.2.4.9 Bitfield . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3 of 97
— AUTOSAR CONFIDENTIAL —
Document ID 637: AUTOSAR_TR_SomeIpExample

Example for a Serialization Protocol (SOME/IP)
V1.1.0
R4.1 Rev 3
6.2.4.10 Union / Variant . . . . . . . . . . . . . . . . . . . . . . . 29
6.2.4.11 Example Map / Dictionary . . . . . . . . . . . . . . . . . 31
6.3 RPC Protocol specification . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.3.1 Transport Protocol Bindings . . . . . . . . . . . . . . . . . . . . . 31
6.3.1.1 UDP Binding . . . . . . . . . . . . . . . . . . . . . . . . 32
6.3.1.2 TCP Binding . . . . . . . . . . . . . . . . . . . . . . . . 32
6.3.1.3 Multiple Service-Instances . . . . . . . . . . . . . . . . 35
6.3.2 Request/Response Communication . . . . . . . . . . . . . . . . 35
6.3.2.1 AUTOSAR Specific . . . . . . . . . . . . . . . . . . . . 36
6.3.3 Fire&Forget Communication . . . . . . . . . . . . . . . . . . . . 36
6.3.3.1 AUTOSAR Specific . . . . . . . . . . . . . . . . . . . . 36
6.3.4 Notification Events . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.3.4.1 Strategy for sending notifications . . . . . . . . . . . . . 37
6.3.4.2 Publish/Subscribe Handling . . . . . . . . . . . . . . . . 37
6.3.4.3 AUTOSAR Specific . . . . . . . . . . . . . . . . . . . . 37
6.3.5 Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.3.6 Error Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.3.6.1 Transporting Application Error Codes and Exceptions . 38
6.3.6.2 Return Code . . . . . . . . . . . . . . . . . . . . . . . . 38
6.3.6.3 Error Message Format . . . . . . . . . . . . . . . . . . 40
6.3.6.4 Communication Errors and Handling of Communication
Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6.4 Guidelines on SOME/IP . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.4.1 Choosing the transport protocol . . . . . . . . . . . . . . . . . . . 42
6.4.2 Implementing Advanced Features in AUTOSAR Applications . . 43
6.4.3 Serialization of Data Structures Containing Pointers . . . . . . . 43
6.4.3.1 Array of data structures with implicit ID . . . . . . . . . 43
6.4.3.2 Array of data structures with explicit ID . . . . . . . . . 43
6.5 Compatibility rules for Interface Design (informational) . . . . . . . . . . 44
6.6 Transporting CAN and FlexRay Frames . . . . . . . . . . . . . . . . . . 45
6.6.1 AUTOSAR specific . . . . . . . . . . . . . . . . . . . . . . . . . . 46
6.7 SOME/IP Service Discovery (SOME/IP-SD) . . . . . . . . . . . . . . . . 47
6.7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.7.1.1 Terms and Definitions . . . . . . . . . . . . . . . . . . . 47
6.7.2 SOME/IP-SD ECU-internal Interface . . . . . . . . . . . . . . . . 47
6.7.3 SOME/IP-SD Message Format . . . . . . . . . . . . . . . . . . . 48
6.7.3.1 General Requirements . . . . . . . . . . . . . . . . . . 48
6.7.3.2 SOME/IP-SD Header . . . . . . . . . . . . . . . . . . . 50
6.7.3.3 Entry Format . . . . . . . . . . . . . . . . . . . . . . . . 51
6.7.3.4 Options Format . . . . . . . . . . . . . . . . . . . . . . 53
6.7.3.5 Referencing Options from Entries . . . . . . . . . . . . 63
6.7.3.6 Example . . . . . . . . . . . . . . . . . . . . . . . . . . 64
6.7.4 Service Discovery Messages . . . . . . . . . . . . . . . . . . . . 65
6.7.4.1 Service Entries . . . . . . . . . . . . . . . . . . . . . . . 66
6.7.4.2 Eventgroup Entry . . . . . . . . . . . . . . . . . . . . . 68
6.7.5 Service Discovery Communication Behavior . . . . . . . . . . . . 70
4 of 97
— AUTOSAR CONFIDENTIAL —
Document ID 637: AUTOSAR_TR_SomeIpExample

Example for a Serialization Protocol (SOME/IP)
V1.1.0
R4.1 Rev 3
6.7.5.1 Startup Behavior . . . . . . . . . . . . . . . . . . . . . . 70
6.7.5.2 Server Answer Behavior . . . . . . . . . . . . . . . . . 72
6.7.5.3 Shutdown Behavior . . . . . . . . . . . . . . . . . . . . 73
6.7.5.4 State Machines . . . . . . . . . . . . . . . . . . . . . . 73
6.7.6 Announcing non-SOME/IP protocols with SOME/IP-SD . . . . . 75
6.7.7 Publish/Subscribe with SOME/IP and SOME/IP-SD . . . . . . . 78
6.7.8 Endpoint Handling for Services and Events . . . . . . . . . . . . 87
6.7.8.1 Service Endpoints . . . . . . . . . . . . . . . . . . . . . 87
6.7.8.2 Eventgroup Endpoints . . . . . . . . . . . . . . . . . . . 88
6.7.8.3 Example . . . . . . . . . . . . . . . . . . . . . . . . . . 89
6.7.9 Mandatory Feature Set and Basic Behavior . . . . . . . . . . . . 90
6.7.10 SOME/IP-SD Mechanisms and Errors . . . . . . . . . . . . . . . 94
6.8 Migration and Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . 95
6.8.1 Supporting multiple versions of the same service. . . . . . . . . 95
6.9 Reserved and special identifiers for SOME/IP and SOME/IP-SD. . . . . 95
5 of 97
— AUTOSAR CONFIDENTIAL —
Document ID 637: AUTOSAR_TR_SomeIpExample
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资源评论

- 小埋妹妹2023-07-24这个文件的作者以简洁明了的语言,给出了一些实践建议,能够帮助我们更高效地使用AUTOSAR_TR_SomeIpExample。
- UEgood雪姐姐2023-07-24在阅读这个文件后,我对AUTOSAR_TR_SomeIpExample的用途和优势有了更深入的认识。
- 苏采2023-07-24文档中的实例是非常实用的,可以帮助我们更好地应用AUTOSAR_TR_SomeIpExample进行开发。
- ShenPlanck2023-07-24对于初学者来说,这个文件提供了一个很好的入门指南,让我们能够迅速上手。
- 李多田2023-07-24这个文件很详细地介绍了AUTOSAR_TR_SomeIpExample的内容,对整个框架有了更全面的理解。

newstoy
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