2382 lines
116 KiB
HTML
2382 lines
116 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="generator" content="Asciidoctor 2.0.23">
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<meta name="author" content="Brent Saner">
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<title>WireProto Specification</title>
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<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700">
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<style>
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/*! Asciidoctor default stylesheet | MIT License | https://asciidoctor.org */
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/* Uncomment the following line when using as a custom stylesheet */
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/* @import "https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700"; */
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html{font-family:sans-serif;-webkit-text-size-adjust:100%}
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strong strong{font-weight:400}
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</head>
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<body class="book toc2 toc-left">
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<div id="header">
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<h1>WireProto Specification</h1>
|
|
<div class="details">
|
|
<span id="author" class="author">Brent Saner</span><br>
|
|
<span id="email" class="email"><a href="mailto:bts@square-r00t.net">bts@square-r00t.net</a></span><br>
|
|
<span id="revdate">Last rendered 2024-07-07 23:35:34 -0400</span>
|
|
</div>
|
|
<div id="toc" class="toc2">
|
|
<div id="toctitle">Table of Contents</div>
|
|
<ul class="sectlevel1">
|
|
<li><a href="#license">1. License</a></li>
|
|
<li><a href="#proto">2. Protocol</a>
|
|
<ul class="sectlevel2">
|
|
<li><a href="#lib">2.1. Library</a></li>
|
|
<li><a href="#ytho">2.2. Why a Custom Message Format?</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#msg">3. Message Format</a>
|
|
<ul class="sectlevel2">
|
|
<li><a href="#msg_respstatus">3.1. Response Status</a></li>
|
|
<li><a href="#proto_ver">3.2. Protocol Version</a></li>
|
|
<li><a href="#msg_grp">3.3. Record Group</a>
|
|
<ul class="sectlevel3">
|
|
<li><a href="#msg_grp_rec">3.3.1. Record</a>
|
|
<ul class="sectlevel4">
|
|
<li><a href="#msg_grp_rec_kv">3.3.1.1. Field/Value Pair (Key/Value Pair)</a>
|
|
<ul class="sectlevel5">
|
|
<li><a href="#msg_grp_rec_kv_nm">3.3.1.1.1. Field Name</a></li>
|
|
<li><a href="#msg_grp_rec_kv_val">3.3.1.1.2. Field Value</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#msg_grp_recresp">3.3.1.2. Copy Record (Response Copy of Request)</a>
|
|
<ul class="sectlevel5">
|
|
<li><a href="#msg_grp_rec_kvcpy">3.3.1.2.1. Field/Value Pair (Key/Value Pair) (Response Copy)</a></li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#cksum">4. Checksums</a></li>
|
|
<li><a href="#hdrs">5. Headers</a>
|
|
<ul class="sectlevel2">
|
|
<li><a href="#hdrs_respstart">5.1. <code>RESPSTART</code> Byte Sequence</a></li>
|
|
<li><a href="#hdrs_cksum">5.2. <code>CKSUM</code> Header Prefix</a></li>
|
|
<li><a href="#hdrs_msgstart">5.3. <code>MSGSTART</code> Header Prefix</a></li>
|
|
<li><a href="#hdrs_bodystart">5.4. <code>BODYSTART</code> Header Prefix</a></li>
|
|
<li><a href="#hdrs_bodyend">5.5. <code>BODYEND</code> Sequence</a></li>
|
|
<li><a href="#hdrs_msgend">5.6. <code>MSGEND</code> Sequence</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#alloc">6. Allocators</a>
|
|
<ul class="sectlevel2">
|
|
<li><a href="#alloc_cnt">6.1. Count Allocator</a></li>
|
|
<li><a href="#alloc_size">6.2. Size Allocator</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#ref">7. Reference Model and Examples</a>
|
|
<ul class="sectlevel2">
|
|
<li><a href="#ref_single">7.1. Single/Simple</a>
|
|
<ul class="sectlevel3">
|
|
<li><a href="#ref_single_req">7.1.1. Single/Simple Request</a></li>
|
|
<li><a href="#ref_single_resp">7.1.2. Single/Simple Response</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#ref_multi">7.2. Multiple/Many/Complex</a>
|
|
<ul class="sectlevel3">
|
|
<li><a href="#ref_multi_req">7.2.1. Complex Request</a></li>
|
|
<li><a href="#ref_multi_resp">7.2.2. Complex Response</a></li>
|
|
</ul>
|
|
</li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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<div id="content">
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<div class="sect1">
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|
<h2 id="license"><a class="link" href="#license">1. License</a></h2>
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<div class="sectionbody">
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>WireProto Specification License</title>
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<body>
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<p>
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|
<a property="dct:title"
|
|
rel="cc:attributionURL"
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|
href="https://wireproto.io">
|
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WireProto Specification
|
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</a> by
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<a rel="cc:attributionURL dct:creator"
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property="cc:attributionName"
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href="https://r00t2.io">
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Brent Saner
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</a> is licensed under
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Creative Commons Attribution-ShareAlike 4.0 International
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<p>
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<details>
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<summary>(License in full)</summary>
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<pre>
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|
1. The Adapter's License You apply must be a Creative Commons
|
|
license with the same License Elements, this version or
|
|
later, or a BY-SA Compatible License.
|
|
|
|
2. You must include the text of, or the URI or hyperlink to, the
|
|
Adapter's License You apply. You may satisfy this condition
|
|
in any reasonable manner based on the medium, means, and
|
|
context in which You Share Adapted Material.
|
|
|
|
3. You may not offer or impose any additional or different terms
|
|
or conditions on, or apply any Effective Technological
|
|
Measures to, Adapted Material that restrict exercise of the
|
|
rights granted under the Adapter's License You apply.
|
|
|
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|
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Section 4 -- Sui Generis Database Rights.
|
|
|
|
Where the Licensed Rights include Sui Generis Database Rights that
|
|
apply to Your use of the Licensed Material:
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|
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a. for the avoidance of doubt, Section 2(a)(1) grants You the right
|
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to extract, reuse, reproduce, and Share all or a substantial
|
|
portion of the contents of the database;
|
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|
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b. if You include all or a substantial portion of the database
|
|
contents in a database in which You have Sui Generis Database
|
|
Rights, then the database in which You have Sui Generis Database
|
|
Rights (but not its individual contents) is Adapted Material,
|
|
including for purposes of Section 3(b); and
|
|
|
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c. You must comply with the conditions in Section 3(a) if You Share
|
|
all or a substantial portion of the contents of the database.
|
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|
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For the avoidance of doubt, this Section 4 supplements and does not
|
|
replace Your obligations under this Public License where the Licensed
|
|
Rights include other Copyright and Similar Rights.
|
|
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|
|
Section 5 -- Disclaimer of Warranties and Limitation of Liability.
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|
|
|
a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
|
|
EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
|
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AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
|
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ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
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IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
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WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
|
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PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
|
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ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
|
|
KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
|
|
ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
|
|
|
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b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
|
|
TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
|
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NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
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INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
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COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
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USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
|
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ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
|
|
DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
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IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
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|
|
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c. The disclaimer of warranties and limitation of liability provided
|
|
above shall be interpreted in a manner that, to the extent
|
|
possible, most closely approximates an absolute disclaimer and
|
|
waiver of all liability.
|
|
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|
|
Section 6 -- Term and Termination.
|
|
|
|
a. This Public License applies for the term of the Copyright and
|
|
Similar Rights licensed here. However, if You fail to comply with
|
|
this Public License, then Your rights under this Public License
|
|
terminate automatically.
|
|
|
|
b. Where Your right to use the Licensed Material has terminated under
|
|
Section 6(a), it reinstates:
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|
|
1. automatically as of the date the violation is cured, provided
|
|
it is cured within 30 days of Your discovery of the
|
|
violation; or
|
|
|
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2. upon express reinstatement by the Licensor.
|
|
|
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For the avoidance of doubt, this Section 6(b) does not affect any
|
|
right the Licensor may have to seek remedies for Your violations
|
|
of this Public License.
|
|
|
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c. For the avoidance of doubt, the Licensor may also offer the
|
|
Licensed Material under separate terms or conditions or stop
|
|
distributing the Licensed Material at any time; however, doing so
|
|
will not terminate this Public License.
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|
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d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
|
|
License.
|
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|
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Section 7 -- Other Terms and Conditions.
|
|
|
|
a. The Licensor shall not be bound by any additional or different
|
|
terms or conditions communicated by You unless expressly agreed.
|
|
|
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b. Any arrangements, understandings, or agreements regarding the
|
|
Licensed Material not stated herein are separate from and
|
|
independent of the terms and conditions of this Public License.
|
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|
|
|
|
Section 8 -- Interpretation.
|
|
|
|
a. For the avoidance of doubt, this Public License does not, and
|
|
shall not be interpreted to, reduce, limit, restrict, or impose
|
|
conditions on any use of the Licensed Material that could lawfully
|
|
be made without permission under this Public License.
|
|
|
|
b. To the extent possible, if any provision of this Public License is
|
|
deemed unenforceable, it shall be automatically reformed to the
|
|
minimum extent necessary to make it enforceable. If the provision
|
|
cannot be reformed, it shall be severed from this Public License
|
|
without affecting the enforceability of the remaining terms and
|
|
conditions.
|
|
|
|
c. No term or condition of this Public License will be waived and no
|
|
failure to comply consented to unless expressly agreed to by the
|
|
Licensor.
|
|
|
|
d. Nothing in this Public License constitutes or may be interpreted
|
|
as a limitation upon, or waiver of, any privileges and immunities
|
|
that apply to the Licensor or You, including from the legal
|
|
processes of any jurisdiction or authority.
|
|
|
|
|
|
=======================================================================
|
|
|
|
Creative Commons is not a party to its public
|
|
licenses. Notwithstanding, Creative Commons may elect to apply one of
|
|
its public licenses to material it publishes and in those instances
|
|
will be considered the “Licensor.” The text of the Creative Commons
|
|
public licenses is dedicated to the public domain under the CC0 Public
|
|
Domain Dedication. Except for the limited purpose of indicating that
|
|
material is shared under a Creative Commons public license or as
|
|
otherwise permitted by the Creative Commons policies published at
|
|
creativecommons.org/policies, Creative Commons does not authorize the
|
|
use of the trademark "Creative Commons" or any other trademark or logo
|
|
of Creative Commons without its prior written consent including,
|
|
without limitation, in connection with any unauthorized modifications
|
|
to any of its public licenses or any other arrangements,
|
|
understandings, or agreements concerning use of licensed material. For
|
|
the avoidance of doubt, this paragraph does not form part of the
|
|
public licenses.
|
|
|
|
Creative Commons may be contacted at creativecommons.org.
|
|
</pre>
|
|
</details>
|
|
</p>
|
|
|
|
</body>
|
|
</html>
|
|
<div class="paragraph">
|
|
<p>In a nutshell, means you can:</p>
|
|
</div>
|
|
<div class="ulist">
|
|
<ul>
|
|
<li>
|
|
<p>Use it in commercial/proprietary/internal works…​</p>
|
|
</li>
|
|
<li>
|
|
<p>Expand upon/change the specification…​</p>
|
|
<div class="ulist">
|
|
<ul>
|
|
<li>
|
|
<p>(As long as it is released under the same Creative Commons license)</p>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>As long as you attribute the original (this document). This can be as simple as something like:</p>
|
|
</div>
|
|
<div class="exampleblock">
|
|
<div class="content">
|
|
<div class="paragraph">
|
|
<p>Based on WireProto version <protocol version> as found at <a href="https://wireproto.io/" class="bare">https://wireproto.io/</a>.</p>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>More details certainly helps, though; you may want to mention the exact date you "forked" it, etc.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Please see the full text as collapsed above or <a href="https://creativecommons.org/licenses/by-sa/4.0/legalcode.en" target="_blank" rel="noopener">the online version</a> of the license for full legal copy.</p>
|
|
</div>
|
|
<div class="admonitionblock note">
|
|
<table>
|
|
<tr>
|
|
<td class="icon">
|
|
<div class="title">Note</div>
|
|
</td>
|
|
<td class="content">
|
|
In the event of the embedded text in this document differing from the online version, the online version is assumed to take precedence as the valid license applicable to this work.
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="proto"><a class="link" href="#proto">2. Protocol</a></h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph">
|
|
<p>The WireProto data packing API is a custom wire protocol//message format designed for incredibly performant, unambiguous, predictable, platform-agnostic, client-agnostic communication. It is based heavily on the <a href="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL.key" target="_blank" rel="noopener">OpenSSH "v1" key format</a> <a href="https://git.r00t2.io/r00t2/go_sshkeys/src/branch/master/_ref/KEY_GUIDE.html#v1_plain_2">(example/details)</a> packing method.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It supports arbitrary binary values, which means they can be anything according to the implementation-specific details; a common practice is to encode ("marshal") a Go struct to JSON bytes, and set that as a WireProto field’s value.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It supports both static construction/parsing/dissection and stream approaches in a single format, as well as multiple commands per request message/multiple answers per response message.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p><strong>All</strong> packed uint32 values are big-endian.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>This specification <a href="#proto_ver">Protocol Version</a> is <code>1</code> (<code>0x00000001</code>).</p>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="lib"><a class="link" href="#lib">2.1. Library</a></h3>
|
|
<div class="paragraph">
|
|
<p>This protocol specification is accompanied with a reference library for Golang, <a href="https://git.r00t2.io/r00t2/go_wireproto" target="_blank" rel="noopener">"WireProto"</a> (<a href="https://git.r00t2.io/r00t2/wireproto" target="_blank" rel="noopener"><em>source</em></a>):</p>
|
|
</div>
|
|
<a href="https://pkg.go.dev/go.pkg.dev/r00t2.io/wireproto">
|
|
<img src="https://pkg.go.dev/badge/go.pkg.dev/r00t2.io/wireproto.svg"
|
|
alt="Go Reference">
|
|
</a>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="ytho"><a class="link" href="#ytho">2.2. Why a Custom Message Format?</a></h3>
|
|
<div class="paragraph">
|
|
<p>Because existing ones (e.g. JSON, XML, YAML) are slow/bloaty, inaccurate, and/or inflexible. They struggle with binary or abritrary data (or in e.g. XML’s case requiring intermediate conditional encoding/decoding).</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>If it can be represented as bytes (which all digital data can), WireProto can send and receive it.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Additionally:</p>
|
|
</div>
|
|
<div class="ulist">
|
|
<ul>
|
|
<li>
|
|
<p><a href="https://protobuf.dev/" target="_blank" rel="noopener"><strong>Protobuf</strong></a> has performance issues (yes, really; protobufs have large overhead) and is restrictive on data types for future-proofing.</p>
|
|
</li>
|
|
<li>
|
|
<p><a href="https://go.dev/blog/gob" target="_blank" rel="noopener"><strong>Gob</strong></a> is very language-limiting and does not support e.g. nil pointers and cyclical values.</p>
|
|
</li>
|
|
<li>
|
|
<p><a href="https://capnproto.org/" target="_blank" rel="noopener">Cap’n Proto</a> has wide language support and excellent performance but is terribly non-idiomatic, requiring the code to be generated from the schema and not vice versa (which is only ideal if you have only one communication interface).</p>
|
|
</li>
|
|
<li>
|
|
<p><a href="https://en.wikipedia.org/wiki/JSON_streaming" target="_blank" rel="noopener">JSON streams</a> have no delimiters defined, and thus this makes it an inconvenience if using a parser that does not know when the message ends/is complete, or if it is expecting a standalone JSON object.</p>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
<div class="admonitionblock tip">
|
|
<table>
|
|
<tr>
|
|
<td class="icon">
|
|
<div class="title">Tip</div>
|
|
</td>
|
|
<td class="content">
|
|
<div class="paragraph">
|
|
<p>WireProto is only used for binary packing/unpacking; this means it can be used with any e.g. <a href="https://pkg.go.dev/net#Conn" target="_blank" rel="noopener"><code>net.Conn</code></a> (and even has helper functions explicitly to facilitate this), storage on-disk, etc.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Thus it is transport/storage-agnostic, and can be used with a <a href="https://pkg.go.dev/net#Dial" target="_blank" rel="noopener">TCP socket, UDP socket, IPC (InterProcess Communication)/UDS (UNIX Domain Socket) handle,</a> <a href="https://pkg.go.dev/crypto/tls#Dial" target="_blank" rel="noopener">TLS-tunneled TCP socket</a>, etc.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="msg"><a class="link" href="#msg">3. Message Format</a></h2>
|
|
<div class="sectionbody">
|
|
<div class="admonitionblock tip">
|
|
<table>
|
|
<tr>
|
|
<td class="icon">
|
|
<div class="title">Tip</div>
|
|
</td>
|
|
<td class="content">
|
|
<div class="paragraph">
|
|
<p>Throughout this document, you may see references to things like <code>LF</code>, <code>SOH</code>, and so forth.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>These refer to <em>ASCII control characters</em>. You will also see many values represented in hex.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>You can find more details about this (along with a full ASCII reference) <a href="https://square-r00t.net/ascii.html" target="_blank" rel="noopener">here</a>. Note that the socket API fully supports UTF-8 — just be sure that your <a href="#alloc_size">Size Allocator</a> are aligned to the byte count, not character count.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Each <strong>message</strong> is generally composed of:</p>
|
|
</div>
|
|
<div class="ulist">
|
|
<ul>
|
|
<li>
|
|
<p>The <a href="#msg_respstatus">Response Status</a><sup class="footnote" id="_footnote_responly">[<a id="_footnoteref_1" class="footnote" href="#_footnotedef_1" title="View footnote.">1</a>]</sup></p>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#cksum">Checksum</a><sup class="footnote" id="_footnote_optclient">[<a id="_footnoteref_2" class="footnote" href="#_footnotedef_2" title="View footnote.">2</a>]</sup><sup class="footnote" id="_footnote_reqsrv">[<a id="_footnoteref_3" class="footnote" href="#_footnotedef_3" title="View footnote.">3</a>]</sup></p>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#proto_ver">Protocol Version</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#hdrs_msgstart"><code>MSGSTART</code> Header Prefix</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#msg_grp">Record Group</a> <a href="#alloc_cnt">Count Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#msg_grp">Record Group</a> <a href="#alloc_size">Size Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#hdrs_bodystart"><code>BODYSTART</code> Header Prefix</a></p>
|
|
</li>
|
|
<li>
|
|
<p>One (or more) <a href="#msg_grp">Record Group</a>(s), each of which contain:</p>
|
|
<div class="ulist">
|
|
<ul>
|
|
<li>
|
|
<p>One (or more) <a href="#msg_grp_rec">Record</a>(s), each of which contain:</p>
|
|
<div class="ulist">
|
|
<ul>
|
|
<li>
|
|
<p>One (or more) <a href="#msg_grp_rec_kv">Field/Value pair</a>(s), each of which contain:</p>
|
|
<div class="ulist">
|
|
<ul>
|
|
<li>
|
|
<p>A <a href="#msg_grp_rec_kv_nm">Field Name</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#msg_grp_rec_kv_val">Field Value</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#msg_grp_recresp">Copy Record</a><sup class="footnoteref">[<a class="footnote" href="#_footnotedef_1" title="View footnote.">1</a>]</sup></p>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#hdrs_bodyend"><code>BODYEND</code> Sequence</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A <a href="#hdrs_msgend"><code>MSGEND</code> Sequence</a></p>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="msg_respstatus"><a class="link" href="#msg_respstatus">3.1. Response Status</a></h3>
|
|
<div class="paragraph">
|
|
<p>For responses, their messages have an additional byte prepended; a status indicator.
|
|
This allows client programs to quickly bail in the case of an error if no further parsing is desired.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>The status will be indicated by one of <a href="#hdrs_respstart">two values</a>: an ASCII <code>ACK</code> (<code>0x06</code>) for all requests being returned successfully or an ASCII <code>NAK</code> (<code>0x15</code>) if one or more errors were encountered across all records.</p>
|
|
</div>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="proto_ver"><a class="link" href="#proto_ver">3.2. Protocol Version</a></h3>
|
|
<div class="paragraph">
|
|
<p>The protocol version is a packed uint32 that denotes which version of this protocol specification is being used.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It is maintained seperately from the <strong>library</strong> version/repo tags.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>The current protocol version (as demonstrated in this document) is <code>1</code> (<code>0x00000001</code>).</p>
|
|
</div>
|
|
<div class="admonitionblock note">
|
|
<table>
|
|
<tr>
|
|
<td class="icon">
|
|
<div class="title">Note</div>
|
|
</td>
|
|
<td class="content">
|
|
Version <code>0</code> is reserved for current <code>HEAD</code> of the <code>master</code> branch of this specification and should be considered experimental.
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="msg_grp"><a class="link" href="#msg_grp">3.3. Record Group</a></h3>
|
|
<div class="paragraph">
|
|
<p>A record group contains multiple related <a href="#msg_grp_rec">Records</a>. It is common to only have a single Record Group.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Its structure is:</p>
|
|
</div>
|
|
<div class="olist arabic">
|
|
<ol class="arabic">
|
|
<li>
|
|
<p><a href="#msg_grp_rec">Record</a> <a href="#alloc_cnt">Count Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p><a href="#msg_grp_rec">Record</a> <a href="#alloc_size">Size Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p>One (or more) <a href="#msg_grp_rec">Records</a></p>
|
|
</li>
|
|
</ol>
|
|
</div>
|
|
<div class="sect3">
|
|
<h4 id="msg_grp_rec"><a class="link" href="#msg_grp_rec">3.3.1. Record</a></h4>
|
|
<div class="paragraph">
|
|
<p>A record contains multiple related <a href="#msg_grp_rec_kv">Field/Value Pairs (FVP)</a>. It is typical to only have a single Record.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Its structure is:</p>
|
|
</div>
|
|
<div class="olist arabic">
|
|
<ol class="arabic">
|
|
<li>
|
|
<p><a href="#msg_grp_rec_kv">Field/Value Pair (Key/Value Pair)</a> <a href="#alloc_cnt">Count Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p><a href="#msg_grp_rec_kv">Field/Value Pair (Key/Value Pair)</a> <a href="#alloc_size">Size Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p>One (or more) <a href="#msg_grp_rec_kv">Field/Value Pairs</a></p>
|
|
</li>
|
|
</ol>
|
|
</div>
|
|
<div class="admonitionblock important">
|
|
<table>
|
|
<tr>
|
|
<td class="icon">
|
|
<div class="title">Important</div>
|
|
</td>
|
|
<td class="content">
|
|
<div class="paragraph">
|
|
<p>For response messages, the record’s size allocator (but NOT the count allocator) includes the <a href="#msg_grp_recresp">Copy Record</a> size for each response record copy!<sup class="footnoteref">[<a class="footnote" href="#_footnotedef_1" title="View footnote.">1</a>]</sup></p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="sect4">
|
|
<h5 id="msg_grp_rec_kv"><a class="link" href="#msg_grp_rec_kv">3.3.1.1. Field/Value Pair (Key/Value Pair)</a></h5>
|
|
<div class="paragraph">
|
|
<p>A field/value pair (also referred to as a key/value pair) contains a matched <a href="#msg_grp_rec_kv_nm">Field Name</a> and its <a href="#msg_grp_rec_kv_val">Field Value</a>.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Its structure is:</p>
|
|
</div>
|
|
<div class="olist arabic">
|
|
<ol class="arabic">
|
|
<li>
|
|
<p><a href="#msg_grp_rec_kv_nm">Field Name</a> <a href="#alloc_size">Size Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p><a href="#msg_grp_rec_kv_val">Field Value</a> <a href="#alloc_size">Size Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A single <a href="#msg_grp_rec_kv_nm">Field Name</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A single matching <a href="#msg_grp_rec_kv_val">Field Value</a></p>
|
|
</li>
|
|
</ol>
|
|
</div>
|
|
<div class="admonitionblock important">
|
|
<table>
|
|
<tr>
|
|
<td class="icon">
|
|
<div class="title">Important</div>
|
|
</td>
|
|
<td class="content">
|
|
<div class="paragraph">
|
|
<p>Unlike most/all other <a href="#alloc">Allocators</a> for other sections/levels, the field name and value allocators are consecutive <a href="#alloc_size">Size Allocators</a>! This is because there is only one field name and value per record.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="sect5">
|
|
<h6 id="msg_grp_rec_kv_nm"><a class="link" href="#msg_grp_rec_kv_nm">3.3.1.1.1. Field Name</a></h6>
|
|
<div class="paragraph">
|
|
<p>The field name is usually from a finite set of allowed names. The <a href="#msg_grp_rec_kv_val">Field Value</a>, while written as bytes, often contains a data structure defined by the field name. (A field name is closer to a "value type".) It <strong>must</strong> be a UTF-8 string.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Its structure is:</p>
|
|
</div>
|
|
<div class="olist arabic">
|
|
<ol class="arabic">
|
|
<li>
|
|
<p>The name in bytes</p>
|
|
</li>
|
|
</ol>
|
|
</div>
|
|
</div>
|
|
<div class="sect5">
|
|
<h6 id="msg_grp_rec_kv_val"><a class="link" href="#msg_grp_rec_kv_val">3.3.1.1.2. Field Value</a></h6>
|
|
<div class="paragraph">
|
|
<p>A field’s value is, on the wire, just a series of bytes. The actual content of those bytes, including any structure or encoding, is likely to/probably depends on the paired <a href="#msg_grp_rec_kv_nm">Field Name</a>.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Its structure is:</p>
|
|
</div>
|
|
<div class="olist arabic">
|
|
<ol class="arabic">
|
|
<li>
|
|
<p>The value in bytes</p>
|
|
</li>
|
|
</ol>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect4">
|
|
<h5 id="msg_grp_recresp"><a class="link" href="#msg_grp_recresp">3.3.1.2. Copy Record (Response Copy of Request)</a></h5>
|
|
<div class="paragraph">
|
|
<p>This contains a "copy" of the original/request’s <a href="#msg_grp_rec">Record</a> that this record is in response to.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It is a variant of a <a href="#msg_grp_rec">Record</a> used exclusively in responses, and is tied to (included in) each response’s <a href="#msg_grp_rec_kv">FVP</a>.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Its structure is:</p>
|
|
</div>
|
|
<div class="olist arabic">
|
|
<ol class="arabic">
|
|
<li>
|
|
<p><a href="#msg_grp_rec_kvcpy">Field/Value Pair (Key/Value Pair) (Response Copy)</a> <a href="#alloc_cnt">Count Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p><a href="#msg_grp_rec_kvcpy">Field/Value Pair (Key/Value Pair) (Response Copy)</a> <a href="#alloc_size">Size Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p>One (or more) <a href="#msg_grp_rec_kvcpy">Field/Value Pairs (Response Copy)</a></p>
|
|
</li>
|
|
</ol>
|
|
</div>
|
|
<div class="sect5">
|
|
<h6 id="msg_grp_rec_kvcpy"><a class="link" href="#msg_grp_rec_kvcpy">3.3.1.2.1. Field/Value Pair (Key/Value Pair) (Response Copy)</a></h6>
|
|
<div class="paragraph">
|
|
<p>A field/value pair (also referred to as a key/value pair) contains a matched <a href="#msg_grp_rec_kv_nm">Field Name</a> and its <a href="#msg_grp_rec_kv_val">Field Value</a>.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It is a variant of a <a href="#msg_grp_rec_kv">Field/Value Pair</a> used exclusively in response copies of the original request’s FVP.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>Its structure is:</p>
|
|
</div>
|
|
<div class="olist arabic">
|
|
<ol class="arabic">
|
|
<li>
|
|
<p><a href="#msg_grp_rec_kv_nm">Field Name</a> <a href="#alloc_size">Size Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p><a href="#msg_grp_rec_kv_val">Field Value</a> <a href="#alloc_size">Size Allocator</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A single <a href="#msg_grp_rec_kv_nm">Field Name</a></p>
|
|
</li>
|
|
<li>
|
|
<p>A single matching <a href="#msg_grp_rec_kv_val">Field Value</a></p>
|
|
</li>
|
|
</ol>
|
|
</div>
|
|
<div class="admonitionblock important">
|
|
<table>
|
|
<tr>
|
|
<td class="icon">
|
|
<div class="title">Important</div>
|
|
</td>
|
|
<td class="content">
|
|
<div class="paragraph">
|
|
<p>Unlike most/all other <a href="#alloc">Allocators</a> for other sections/levels, the field name and value allocators are consecutive <a href="#alloc_size">Size Allocators</a>! This is because there is only one field name and value per record.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="cksum"><a class="link" href="#cksum">4. Checksums</a></h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph">
|
|
<p>Checksums are optional for the client but the server will <strong>always</strong> send them. <strong>If present</strong> in the request, the server will validate to ensure the checksum matches the message body (<a href="#hdrs_bodystart">body start</a> to <a href="#hdrs_bodyend">body end</a>, headers included). If the checksum does not match, an error will be returned.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>They are represented as a big-endian-packed uint32.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>The checksum must be prefixed with a <a href="#hdrs_cksum"><code>CKSUM</code> Header Prefix</a>. If no checksum is provided, this prefix must <strong>not</strong> be included in the sequence.</p>
|
|
</div>
|
|
<div class="admonitionblock tip">
|
|
<table>
|
|
<tr>
|
|
<td class="icon">
|
|
<div class="title">Tip</div>
|
|
</td>
|
|
<td class="content">
|
|
<div class="paragraph">
|
|
<p>You can quickly check if a checksum is present by checking the first byte in requests or the second byte in responses. If it is <code>ESC</code> (<code>0x1b</code>), a checksum is provided. If it is <code>SOH</code> (<code>0x01</code>), one was <strong>not</strong> provided.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>The checksum method used is the <a href="https://users.ece.cmu.edu/~koopman/crc/crc32.html" target="_blank" rel="noopener">IEEE 802.3 CRC-32</a>, which should be natively available for all/most client implementations as it is perhaps the most ubiquitous of CRC-32 variants. (Polynomial <code>0x04c11db7</code>, reversed polynomial <code>0xedb88320</code>.)</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>To confirm you are using the correct CRC32 implementation (as there are a <strong>ton</strong> of "CRC-32" algorithms and methods out there), use the following validations:</p>
|
|
</div>
|
|
<table class="tableblock frame-all grid-all stretch">
|
|
<caption class="title">Table 1. CRC-32 Validations</caption>
|
|
<colgroup>
|
|
<col style="width: 20%;">
|
|
<col style="width: 30%;">
|
|
<col style="width: 10%;">
|
|
<col style="width: 20%;">
|
|
<col style="width: 20%;">
|
|
</colgroup>
|
|
<thead>
|
|
<tr>
|
|
<th class="tableblock halign-center valign-middle">String</th>
|
|
<th class="tableblock halign-center valign-middle">Bytes</th>
|
|
<th class="tableblock halign-center valign-middle">Checksum (integer)</th>
|
|
<th class="tableblock halign-center valign-middle">Checksum (bytes, little-endian)</th>
|
|
<th class="tableblock halign-center valign-middle">Checksum (bytes, big-endian)</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr>
|
|
<td class="tableblock halign-center valign-middle"><p class="tableblock"><code>FooBarBazQuux</code></p></td>
|
|
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>0x466f6f42617242617a51757578</code></p></td>
|
|
<td class="tableblock halign-center valign-middle"><p class="tableblock"><code>983022564</code></p></td>
|
|
<td class="tableblock halign-center valign-middle"><p class="tableblock"><code>0xe4bb973a</code></p></td>
|
|
<td class="tableblock halign-center valign-middle"><p class="tableblock"><code>0x3a97bbe4</code></p></td>
|
|
</tr>
|
|
<tr>
|
|
<td class="tableblock halign-center valign-middle"><p class="tableblock"><code>0123456789abcdef</code></p></td>
|
|
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>0x30313233343536373839616263646566</code></p></td>
|
|
<td class="tableblock halign-center valign-middle"><p class="tableblock"><code>1757737011</code></p></td>
|
|
<td class="tableblock halign-center valign-middle"><p class="tableblock"><code>0x33f0c468</code></p></td>
|
|
<td class="tableblock halign-center valign-middle"><p class="tableblock"><code>0x68c4f033</code></p></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="hdrs"><a class="link" href="#hdrs">5. Headers</a></h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph">
|
|
<p>Certain sections are wrapped with an identifying header. Those headers are included below for reference.</p>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="hdrs_respstart"><a class="link" href="#hdrs_respstart">5.1. <code>RESPSTART</code> Byte Sequence</a></h3>
|
|
<div class="paragraph">
|
|
<p>Responses have a <a href="#msg_respstatus">Response Status</a>.<sup class="footnoteref">[<a class="footnote" href="#_footnotedef_1" title="View footnote.">1</a>]</sup></p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It is either an <code>ACK</code> (<code>0x06</code>) or <code>NAK</code> (<code>0x15</code>).</p>
|
|
</div>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="hdrs_cksum"><a class="link" href="#hdrs_cksum">5.2. <code>CKSUM</code> Header Prefix</a></h3>
|
|
<div class="paragraph">
|
|
<p>A checksum, if provided, will have a prefix header of <code>ESC</code> (<code>0x1b</code>).</p>
|
|
</div>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="hdrs_msgstart"><a class="link" href="#hdrs_msgstart">5.3. <code>MSGSTART</code> Header Prefix</a></h3>
|
|
<div class="paragraph">
|
|
<p>The message start header indicates a start of a message.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It is an <code>SOH</code> (<code>0x01</code>).</p>
|
|
</div>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="hdrs_bodystart"><a class="link" href="#hdrs_bodystart">5.4. <code>BODYSTART</code> Header Prefix</a></h3>
|
|
<div class="paragraph">
|
|
<p>The body start header indicates that actual data/records follows.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It is an <code>STX</code> (<code>0x02</code>).</p>
|
|
</div>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="hdrs_bodyend"><a class="link" href="#hdrs_bodyend">5.5. <code>BODYEND</code> Sequence</a></h3>
|
|
<div class="paragraph">
|
|
<p>The body end prefix indicates the end of data/records.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It is an <code>ETX</code> (<code>0x03</code>).</p>
|
|
</div>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="hdrs_msgend"><a class="link" href="#hdrs_msgend">5.6. <code>MSGEND</code> Sequence</a></h3>
|
|
<div class="paragraph">
|
|
<p>The message end prefix indicates that a message in its entirety has ended.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>It is an <code>EOT</code> (<code>0x04</code>).</p>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="alloc"><a class="link" href="#alloc">6. Allocators</a></h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph">
|
|
<p>There are two type of allocators included for each following sequence of bytes: <code>count allocators</code> and <code>size allocators</code>.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>They can be used by clients to determine the size of destination buffers, and are used by the server to efficiently unpack requests.</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>They are usually paired together with the count allocator preceding the size allocator, but not always (e.g. <a href="#msg_grp_rec_kv">Field/Value Pair (Key/Value Pair)</a> have two <a href="#alloc_size">Size Allocator</a>).</p>
|
|
</div>
|
|
<div class="paragraph">
|
|
<p>All allocators are unsigned 32-bit integers, little-endian-packed.</p>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="alloc_cnt"><a class="link" href="#alloc_cnt">6.1. Count Allocator</a></h3>
|
|
<div class="paragraph">
|
|
<p>Count allocators indicate <strong>how many</strong> children objects are contained.</p>
|
|
</div>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="alloc_size"><a class="link" href="#alloc_size">6.2. Size Allocator</a></h3>
|
|
<div class="paragraph">
|
|
<p>Size allocators indicate <strong>how much</strong> (in bytes) all children objects are combined together. It includes e.g. separators, etc.</p>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect1">
|
|
<h2 id="ref"><a class="link" href="#ref">7. Reference Model and Examples</a></h2>
|
|
<div class="sectionbody">
|
|
<div class="paragraph">
|
|
<p>For a more visual explanation, given the following e.g. Golang structs from the <a href="https://pkg.go.dev/r00t2.io/wireproto" target="_blank" rel="noopener">Golang reference library</a> (<code>wireproto.Request{}</code> and <code>wireproto.Response{}</code>):</p>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="ref_single"><a class="link" href="#ref_single">7.1. Single/Simple</a></h3>
|
|
<div class="sect3">
|
|
<h4 id="ref_single_req"><a class="link" href="#ref_single_req">7.1.1. Single/Simple Request</a></h4>
|
|
<details>
|
|
<summary class="title">Example Message Structure (Simple Request)</summary>
|
|
<div class="content">
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="go"><span class="k">package</span> <span class="n">wireproto</span>
|
|
|
|
<span class="k">var</span> <span class="p">(</span>
|
|
<span class="c">// REQUEST (Simple)</span>
|
|
<span class="n">testSimpleReq</span> <span class="o">*</span><span class="n">Request</span> <span class="o">=</span> <span class="o">&</span><span class="n">Request</span><span class="p">{</span>
|
|
<span class="n">ProtocolVersion</span><span class="o">:</span> <span class="n">ProtoVersion</span><span class="p">,</span>
|
|
<span class="n">RecordGroups</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">RequestRecordGroup</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">RequestRecordGroup</span><span class="p">{</span>
|
|
<span class="n">Records</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">RequestRecord</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">RequestRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"field1"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"value1"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"field2"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"value2"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">}</span>
|
|
<span class="p">)</span></code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</details>
|
|
<div class="paragraph">
|
|
<p>Would then serialize as (in hex):</p>
|
|
</div>
|
|
<details>
|
|
<summary class="title">Annotated Hex</summary>
|
|
<div class="content">
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="text">// REQUEST (Simple)
|
|
-------- // (No Checksum Present)
|
|
01 // HDR:MSGSTART
|
|
00000001 // Protocol Version (1)
|
|
02 // HDR:BODYSTART
|
|
00000001 // Record Group Count (1)
|
|
00000038 // Record Groups Size (56)
|
|
// Record Group 1 (56 bytes)
|
|
00000001 // Record Count (1)
|
|
00000030 // Record Group Size (48)
|
|
// Record Group 1, Record 1 (48 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000028 // Record Size (40)
|
|
// Record Group 1, Record 1, Field/Value 1 (20 bytes)
|
|
00000006 // Field Name Size (6)
|
|
00000006 // Field Value Size (6)
|
|
6669656c6431 // "field1"
|
|
76616c756531 // "value1"
|
|
// Record Group 1, Record 1, Field/Value 2 (20 bytes)
|
|
00000006 // Field Name Size (6)
|
|
00000006 // Field Value Size (6)
|
|
6669656c6432 // "field2"
|
|
76616c756532 // "value2"
|
|
03 // HDR:BODYEND
|
|
04 // HDR:MSGEND</code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</details>
|
|
<div class="paragraph">
|
|
<p>Or, non-annotated:</p>
|
|
</div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="text">01000000010200000001000000380000000100000030000000020000002800000006000000066669
|
|
656c643176616c75653100000006000000066669656c643276616c7565320304</code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect3">
|
|
<h4 id="ref_single_resp"><a class="link" href="#ref_single_resp">7.1.2. Single/Simple Response</a></h4>
|
|
<details>
|
|
<summary class="title">Example Message Structure (Simple Response)</summary>
|
|
<div class="content">
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="go"><span class="k">package</span> <span class="n">wireproto</span>
|
|
|
|
<span class="k">var</span> <span class="p">(</span>
|
|
<span class="c">// RESPONSE (Simple)</span>
|
|
<span class="n">testSimpleResp</span> <span class="o">*</span><span class="n">Response</span> <span class="o">=</span> <span class="o">&</span><span class="n">Response</span><span class="p">{</span>
|
|
<span class="n">Status</span><span class="o">:</span> <span class="n">AsciiACK</span><span class="p">,</span>
|
|
<span class="n">Checksum</span><span class="o">:</span> <span class="m">4005376897</span><span class="p">,</span> <span class="c">// 0xeebd3381</span>
|
|
<span class="n">ProtocolVersion</span><span class="o">:</span> <span class="n">ProtoVersion</span><span class="p">,</span>
|
|
<span class="n">RecordGroups</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">ResponseRecordGroup</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">ResponseRecordGroup</span><span class="p">{</span>
|
|
<span class="n">Records</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">ResponseRecord</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">ResponseRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"data1"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"<arbitrary data>"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="n">OriginalRecord</span><span class="o">:</span> <span class="n">testSimpleReq</span><span class="o">.</span><span class="n">RecordGroups</span><span class="p">[</span><span class="m">0</span><span class="p">]</span><span class="o">.</span><span class="n">Records</span><span class="p">[</span><span class="m">0</span><span class="p">],</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">}</span>
|
|
<span class="p">)</span></code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</details>
|
|
<div class="paragraph">
|
|
<p>Would then serialize as (in hex):</p>
|
|
</div>
|
|
<details>
|
|
<summary class="title">Annotated Hex</summary>
|
|
<div class="content">
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="text">// RESPONSE (Simple)
|
|
06 // HDR:RESPSTART (Status: OK)
|
|
1b // HDR:CKSUM
|
|
5fde82e5 // Checksum Value (1608418021)
|
|
01 // HDR:MSGSTART
|
|
00000001 // Protocol Version (1)
|
|
02 // HDR:BODYSTART
|
|
00000001 // Record Group Count (1)
|
|
00000061 // Record Groups Size (97)
|
|
// Record Group 1 (97)
|
|
00000001 // Record Count (1)
|
|
00000059 // Record Group Size (89)
|
|
// Record Group 1, Record 1 (89 bytes)
|
|
00000001 // Field/Value Count (1)
|
|
0000001d // Record Size (29)
|
|
00000030 // Request Record Size (48)
|
|
// Record Group 1, Record 1, Field/Value 1 (29 bytes)
|
|
00000005 // Field Name Size (5)
|
|
00000010 // Field Value Size (16)
|
|
6461746131 // "data1"
|
|
3c6172626974726172792064 // "<arbitrary data>"
|
|
6174613e
|
|
// Record Group 1, Record 1 (REQUEST RECORD) (48 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000028 // Record Size (40)
|
|
// Record Group 1, Record 1, Field/Value 1 (20 bytes)
|
|
00000006 // Field Name Size (6)
|
|
00000006 // Field Value Size (6)
|
|
6669656c6431 // "field1"
|
|
76616c756531 // "value1"
|
|
// Record Group 1, Record 1, Field/Value 2 (20 bytes)
|
|
00000006 // Field Name Size (6)
|
|
00000006 // Field Value Size (6)
|
|
6669656c6432 // "field2"
|
|
76616c756532 // "value2"
|
|
03 // HDR:BODYEND
|
|
04 // HDR:MSGEND</code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</details>
|
|
<div class="paragraph">
|
|
<p>Or, non-annotated:</p>
|
|
</div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="text">061b5fde82e501000000010200000001000000610000000100000059000000010000001d00000030
|
|
000000050000001064617461313c61726269747261727920646174613e0000000200000028000000
|
|
06000000066669656c643176616c75653100000006000000066669656c643276616c7565320304</code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect2">
|
|
<h3 id="ref_multi"><a class="link" href="#ref_multi">7.2. Multiple/Many/Complex</a></h3>
|
|
<div class="paragraph">
|
|
<p>Multiple commands, parameters, etc. can be specified in one message.</p>
|
|
</div>
|
|
<div class="sect3">
|
|
<h4 id="ref_multi_req"><a class="link" href="#ref_multi_req">7.2.1. Complex Request</a></h4>
|
|
<details>
|
|
<summary class="title">Example Message Structure (Multiple/Many Requests, Single Message)</summary>
|
|
<div class="content">
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="go"><span class="k">package</span> <span class="n">wireproto</span>
|
|
|
|
<span class="k">var</span> <span class="p">(</span>
|
|
<span class="c">// REQUEST (Complex)</span>
|
|
<span class="n">testMultiReq</span> <span class="o">*</span><span class="n">Request</span> <span class="o">=</span> <span class="o">&</span><span class="n">Request</span><span class="p">{</span>
|
|
<span class="n">ProtocolVersion</span><span class="o">:</span> <span class="n">ProtoVersion</span><span class="p">,</span>
|
|
<span class="n">RecordGroups</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">RequestRecordGroup</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">RequestRecordGroup</span><span class="p">{</span>
|
|
<span class="n">Records</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">RequestRecord</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">RequestRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"fieldA1A"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"valueA1A"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"fieldA1B"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"valueA1B"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">RequestRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"fieldA2A"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"valueA2A"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"fieldA2B"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"valueA2B"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">RequestRecordGroup</span><span class="p">{</span>
|
|
<span class="n">Records</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">RequestRecord</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">RequestRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"fieldB1A"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"valueB1A"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"fieldB1B"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"valueB1B"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">RequestRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"fieldB2A"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"valueB2A"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"fieldB2B"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"valueB2B"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">}</span>
|
|
<span class="p">)</span></code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</details>
|
|
<div class="paragraph">
|
|
<p>Would then serialize as (in hex):</p>
|
|
</div>
|
|
<details>
|
|
<summary class="title">Annotated Hex</summary>
|
|
<div class="content">
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="text">// REQUEST (Complex)
|
|
-------- // (No Checksum Present)
|
|
01 // HDR:MSGSTART
|
|
00000001 // Protocol Version (1)
|
|
02 // HDR:BODYSTART
|
|
00000002 // Record Group Count (2)
|
|
000000f0 // Record Groups Size (240)
|
|
// Record Group 1 (120 bytes)
|
|
00000002 // Record Count (2)
|
|
00000070 // Record Group Size (112)
|
|
// Record Group 1, Record 1 (56 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000030 // Record Size (48)
|
|
// Record Group 1, Record 1, Field/Value 1 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64413141 // "fieldA1A"
|
|
76616c7565413141 // "valueA1A"
|
|
// Record Group 1, Record 1, Field/Value 2 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64413142 // "fieldA1B"
|
|
76616c7565413142 // "valueA1B"
|
|
// Record Group 1, Record 2 (56 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000030 // Record Size (48)
|
|
// Record Group 1, Record 2, Field/Value 1 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64413241 // "fieldA2A"
|
|
76616c7565413241 // "valueA2A"
|
|
// Record Group 1, Record 2, Field/Value 2 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64413242 // "fieldA2B"
|
|
76616c7565413242 // "valueA2B"
|
|
// Record Group 2 (120 bytes)
|
|
00000002 // Record Count (2)
|
|
00000070 // Record Group Size (112)
|
|
// Record Group 2, Record 1 (56 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000030 // Record Size (48)
|
|
// Record Group 2, Record 1, Field/Value 1 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64423141 // "fieldB1A"
|
|
76616c7565423141 // "valueB1A"
|
|
// Record Group 2, Record 1, Field/Value 2 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64423142 // "fieldB1B"
|
|
76616c7565423142 // "valueB1B"
|
|
// Record Group 2, Record 2 (56 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000030 // Record Size (48)
|
|
// Record Group 2, Record 2, Field/Value 1 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64423241 // "fieldB2A"
|
|
76616c7565423241 // "valueB2A"
|
|
// Record Group 2, Record 2, Field/Value 2 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64423242 // "fieldB2B"
|
|
76616c7565423242 // "valueB2B"
|
|
03 // HDR:BODYEND
|
|
04 // HDR:MSGEND</code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</details>
|
|
<div class="paragraph">
|
|
<p>Or, non-annotated:</p>
|
|
</div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="text">01000000010200000002000000f00000000200000070000000020000003000000008000000086669
|
|
656c6441314176616c756541314100000008000000086669656c6441314276616c75654131420000
|
|
00020000003000000008000000086669656c6441324176616c756541324100000008000000086669
|
|
656c6441324276616c75654132420000000200000070000000020000003000000008000000086669
|
|
656c6442314176616c756542314100000008000000086669656c6442314276616c75654231420000
|
|
00020000003000000008000000086669656c6442324176616c756542324100000008000000086669
|
|
656c6442324276616c75654232420304</code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="sect3">
|
|
<h4 id="ref_multi_resp"><a class="link" href="#ref_multi_resp">7.2.2. Complex Response</a></h4>
|
|
<details>
|
|
<summary class="title">Example Message Structure (Response to Multiple/Many Requests, Single Message)</summary>
|
|
<div class="content">
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="go"><span class="k">package</span> <span class="n">wireproto</span>
|
|
|
|
<span class="k">var</span> <span class="p">(</span>
|
|
<span class="c">// RESPONSE (Complex)</span>
|
|
<span class="n">testMultiResp</span> <span class="o">*</span><span class="n">Response</span> <span class="o">=</span> <span class="o">&</span><span class="n">Response</span><span class="p">{</span>
|
|
<span class="n">Status</span><span class="o">:</span> <span class="n">AsciiACK</span><span class="p">,</span>
|
|
<span class="n">Checksum</span><span class="o">:</span> <span class="m">2563794802</span><span class="p">,</span> <span class="c">// 98d06772</span>
|
|
<span class="n">ProtocolVersion</span><span class="o">:</span> <span class="n">ProtoVersion</span><span class="p">,</span>
|
|
<span class="n">RecordGroups</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">ResponseRecordGroup</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">ResponseRecordGroup</span><span class="p">{</span>
|
|
<span class="n">Records</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">ResponseRecord</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">ResponseRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"dataA1"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"<arbitrary data>"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="n">OriginalRecord</span><span class="o">:</span> <span class="n">testMultiReq</span><span class="o">.</span><span class="n">RecordGroups</span><span class="p">[</span><span class="m">0</span><span class="p">]</span><span class="o">.</span><span class="n">Records</span><span class="p">[</span><span class="m">0</span><span class="p">],</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">ResponseRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"dataA2"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"<arbitrary data>"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="n">OriginalRecord</span><span class="o">:</span> <span class="n">testMultiReq</span><span class="o">.</span><span class="n">RecordGroups</span><span class="p">[</span><span class="m">0</span><span class="p">]</span><span class="o">.</span><span class="n">Records</span><span class="p">[</span><span class="m">1</span><span class="p">],</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">ResponseRecordGroup</span><span class="p">{</span>
|
|
<span class="n">Records</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">ResponseRecord</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">ResponseRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"dataB1"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"<arbitrary data>"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="n">OriginalRecord</span><span class="o">:</span> <span class="n">testMultiReq</span><span class="o">.</span><span class="n">RecordGroups</span><span class="p">[</span><span class="m">1</span><span class="p">]</span><span class="o">.</span><span class="n">Records</span><span class="p">[</span><span class="m">0</span><span class="p">],</span>
|
|
<span class="p">},</span>
|
|
<span class="o">&</span><span class="n">ResponseRecord</span><span class="p">{</span>
|
|
<span class="n">Pairs</span><span class="o">:</span> <span class="p">[]</span><span class="o">*</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="o">&</span><span class="n">FieldValuePair</span><span class="p">{</span>
|
|
<span class="n">Name</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"dataB2"</span><span class="p">),</span>
|
|
<span class="n">Value</span><span class="o">:</span> <span class="p">[]</span><span class="kt">byte</span><span class="p">(</span><span class="s">"<arbitrary data>"</span><span class="p">),</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="n">OriginalRecord</span><span class="o">:</span> <span class="n">testMultiReq</span><span class="o">.</span><span class="n">RecordGroups</span><span class="p">[</span><span class="m">1</span><span class="p">]</span><span class="o">.</span><span class="n">Records</span><span class="p">[</span><span class="m">1</span><span class="p">],</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">},</span>
|
|
<span class="p">}</span>
|
|
<span class="p">)</span></code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</details>
|
|
<div class="paragraph">
|
|
<p>Would then serialize as (in hex):</p>
|
|
</div>
|
|
<details>
|
|
<summary class="title">Annotated Hex</summary>
|
|
<div class="content">
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="text">// RESPONSE (Complex)
|
|
06 // HDR:RESPSTART (Status: OK)
|
|
1b // HDR:CKSUM
|
|
d0ba719f // Checksum Value (3501879711)
|
|
01 // HDR:MSGSTART
|
|
00000001 // Protocol Version (1)
|
|
02 // HDR:BODYSTART
|
|
00000002 // Record Group Count (2)
|
|
00000198 // Record Groups Size (408)
|
|
// Record Group 1 (204)
|
|
00000002 // Record Count (2)
|
|
000000c4 // Record Group Size (196)
|
|
// Record Group 1, Record 1 (98 bytes)
|
|
00000001 // Field/Value Count (1)
|
|
0000001e // Record Size (30)
|
|
00000038 // Request Record Size (56)
|
|
// Record Group 1, Record 1, Field/Value 1 (30 bytes)
|
|
00000006 // Field Name Size (6)
|
|
00000010 // Field Value Size (16)
|
|
646174614131 // "dataA1"
|
|
3c6172626974726172792064 // "<arbitrary data>"
|
|
6174613e
|
|
// Record Group 1, Record 1 (REQUEST RECORD) (56 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000030 // Record Size (48)
|
|
// Record Group 1, Record 1, Field/Value 1 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64413141 // "fieldA1A"
|
|
76616c7565413141 // "valueA1A"
|
|
// Record Group 1, Record 1, Field/Value 2 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64413142 // "fieldA1B"
|
|
76616c7565413142 // "valueA1B"
|
|
// Record Group 1, Record 2 (98 bytes)
|
|
00000001 // Field/Value Count (1)
|
|
0000001e // Record Size (30)
|
|
00000038 // Request Record Size (56)
|
|
// Record Group 1, Record 2, Field/Value 1 (30 bytes)
|
|
00000006 // Field Name Size (6)
|
|
00000010 // Field Value Size (16)
|
|
646174614132 // "dataA2"
|
|
3c6172626974726172792064 // "<arbitrary data>"
|
|
6174613e
|
|
// Record Group 1, Record 2 (REQUEST RECORD) (56 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000030 // Record Size (48)
|
|
// Record Group 1, Record 2, Field/Value 1 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64413241 // "fieldA2A"
|
|
76616c7565413241 // "valueA2A"
|
|
// Record Group 1, Record 2, Field/Value 2 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64413242 // "fieldA2B"
|
|
76616c7565413242 // "valueA2B"
|
|
// Record Group 2 (204)
|
|
00000002 // Record Count (2)
|
|
000000c4 // Record Group Size (196)
|
|
// Record Group 2, Record 1 (98 bytes)
|
|
00000001 // Field/Value Count (1)
|
|
0000001e // Record Size (30)
|
|
00000038 // Request Record Size (56)
|
|
// Record Group 2, Record 1, Field/Value 1 (30 bytes)
|
|
00000006 // Field Name Size (6)
|
|
00000010 // Field Value Size (16)
|
|
646174614231 // "dataB1"
|
|
3c6172626974726172792064 // "<arbitrary data>"
|
|
6174613e
|
|
// Record Group 2, Record 1 (REQUEST RECORD) (56 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000030 // Record Size (48)
|
|
// Record Group 2, Record 1, Field/Value 1 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64423141 // "fieldB1A"
|
|
76616c7565423141 // "valueB1A"
|
|
// Record Group 2, Record 1, Field/Value 2 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64423142 // "fieldB1B"
|
|
76616c7565423142 // "valueB1B"
|
|
// Record Group 2, Record 2 (98 bytes)
|
|
00000001 // Field/Value Count (1)
|
|
0000001e // Record Size (30)
|
|
00000038 // Request Record Size (56)
|
|
// Record Group 2, Record 2, Field/Value 1 (30 bytes)
|
|
00000006 // Field Name Size (6)
|
|
00000010 // Field Value Size (16)
|
|
646174614232 // "dataB2"
|
|
3c6172626974726172792064 // "<arbitrary data>"
|
|
6174613e
|
|
// Record Group 2, Record 2 (REQUEST RECORD) (56 bytes)
|
|
00000002 // Field/Value Count (2)
|
|
00000030 // Record Size (48)
|
|
// Record Group 2, Record 2, Field/Value 1 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64423241 // "fieldB2A"
|
|
76616c7565423241 // "valueB2A"
|
|
// Record Group 2, Record 2, Field/Value 2 (24 bytes)
|
|
00000008 // Field Name Size (8)
|
|
00000008 // Field Value Size (8)
|
|
6669656c64423242 // "fieldB2B"
|
|
76616c7565423242 // "valueB2B"
|
|
03 // HDR:BODYEND
|
|
04 // HDR:MSGEND</code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</details>
|
|
<div class="paragraph">
|
|
<p>Or, non-annotated:</p>
|
|
</div>
|
|
<div class="listingblock">
|
|
<div class="content">
|
|
<pre class="rouge highlight"><code data-lang="text">061bd0ba719f010000000102000000020000019800000002000000c4000000010000001e00000038
|
|
00000006000000106461746141313c61726269747261727920646174613e00000002000000300000
|
|
0008000000086669656c6441314176616c756541314100000008000000086669656c644131427661
|
|
6c7565413142000000010000001e0000003800000006000000106461746141323c61726269747261
|
|
727920646174613e000000020000003000000008000000086669656c6441324176616c7565413241
|
|
00000008000000086669656c6441324276616c756541324200000002000000c4000000010000001e
|
|
0000003800000006000000106461746142313c61726269747261727920646174613e000000020000
|
|
003000000008000000086669656c6442314176616c756542314100000008000000086669656c6442
|
|
314276616c7565423142000000010000001e0000003800000006000000106461746142323c617262
|
|
69747261727920646174613e000000020000003000000008000000086669656c6442324176616c75
|
|
6542324100000008000000086669656c6442324276616c75654232420304</code></pre>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div id="footnotes">
|
|
<hr>
|
|
<div class="footnote" id="_footnotedef_1">
|
|
<a href="#_footnoteref_1">1</a>. Response messages only.
|
|
</div>
|
|
<div class="footnote" id="_footnotedef_2">
|
|
<a href="#_footnoteref_2">2</a>. Optional for Request.
|
|
</div>
|
|
<div class="footnote" id="_footnotedef_3">
|
|
<a href="#_footnoteref_3">3</a>. Required for Response.
|
|
</div>
|
|
</div>
|
|
<div id="footer">
|
|
<div id="footer-text">
|
|
Last updated 2024-07-07 23:31:43 -0400
|
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</div>
|
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</div>
|
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</body>
|
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</html> |