Node / meshtastic / Meshtastic-Android / files / core / takserver / src / commonMain / kotlin / org / meshtastic / core / takserver / CoTXml.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tf0883e@fileTb4b4b4:Te6edf3SuppressTb4b4b4(Ta5d6ff"Ta5d6ffMatchingDeclarationNameTa5d6ff"Tb4b4b4, Ta5d6ff"Ta5d6ffLongMethodTa5d6ff"Tb4b4b4, Ta5d6ff"Ta5d6ffCyclomaticComplexMethodTa5d6ff"Tb4b4b4, Ta5d6ff"Ta5d6ffMaxLineLengthTa5d6ff"Tb4b4b4)

Tff7b72package T7ee787org.meshtastic.core.takserver

Tff7b72import T7ee787kotlin.time.Instant

T8b949e/**

* Serialize this [CoTMessage] to a single `<event>` XML element suitable for the CoT streaming TCP protocol used by

* ATAK / iTAK / WinTAK clients.

*

* **Important:** the output must NOT include an `<?xml ... ?>` declaration. The CoT stream protocol is a continuous

* sequence of `<event>` elements concatenated together; an XML declaration is only legal at the very start of a

* document and ATAK will drop the connection as malformed the moment it sees a second declaration mid-stream.

*/

Tff7b72fun Te6edf3CoTMessageTb4b4b4.Td2a8fftoXmlTb4b4b4(Tb4b4b4)Tb4b4b4: Tffa657String Tb4b4b4{

Tff7b72val Te6edf3sb Tff7b72= Te6edf3StringBuilderTb4b4b4(Tb4b4b4)

Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(

Ta5d6ff"Ta5d6ff<event version='2.0' uid='Tffd700${Te6edf3uidTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' type='Tffd700${Te6edf3typeTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' time='Tffd700${Te6edf3timeTb4b4b4.Te6edf3toXmlStringTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' start='Tffd700${Te6edf3startTb4b4b4.Te6edf3toXmlStringTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' stale='Tffd700${Te6edf3staleTb4b4b4.Te6edf3toXmlStringTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' how='Tffd700${Te6edf3howTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff'><point lat='Tffd700$Te6edf3latitudeTa5d6ff' lon='Tffd700$Te6edf3longitudeTa5d6ff' hae='Tffd700$Te6edf3haeTa5d6ff' ce='Tffd700$Te6edf3ceTa5d6ff' le='Tffd700$Te6edf3leTa5d6ff'/><detail>Ta5d6ff"Tb4b4b4,

Tb4b4b4)

Te6edf3contactTff7b72?.Te6edf3let Tb4b4b4{

Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(

Ta5d6ff"Ta5d6ff<contact endpoint='Tffd700${Tb4b4b4(Tffa657itTb4b4b4.Te6edf3endpoint Tff7b72?: Te6edf3DEFAULT_TAK_ENDPOINTTb4b4b4)Tb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' callsign='Tffd700${Tffa657itTb4b4b4.Te6edf3callsignTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff'/><uid Droid='Tffd700${Tffa657itTb4b4b4.Te6edf3callsignTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff'/>Ta5d6ff"Tb4b4b4,

Tb4b4b4)

Tb4b4b4}

Te6edf3groupTff7b72?.Te6edf3let Tb4b4b4{ Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(Ta5d6ff"Ta5d6ff<__group role='Tffd700${Tffa657itTb4b4b4.Te6edf3roleTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' name='Tffd700${Tffa657itTb4b4b4.Te6edf3nameTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff'/>Ta5d6ff"Tb4b4b4) Tb4b4b4}

Te6edf3statusTff7b72?.Te6edf3let Tb4b4b4{ Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(Ta5d6ff"Ta5d6ff<status battery='Tffd700${Tffa657itTb4b4b4.Te6edf3batteryTffd700}Ta5d6ff'/>Ta5d6ff"Tb4b4b4) Tb4b4b4}

Te6edf3trackTff7b72?.Te6edf3let Tb4b4b4{ Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(Ta5d6ff"Ta5d6ff<track course='Tffd700${Tffa657itTb4b4b4.Te6edf3courseTffd700}Ta5d6ff' speed='Tffd700${Tffa657itTb4b4b4.Te6edf3speedTffd700}Ta5d6ff'/>Ta5d6ff"Tb4b4b4) Tb4b4b4}

Tff7b72if Tb4b4b4(Te6edf3chat Tff7b72!Tff7b72= Tff7b72nullTb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3senderUid Tff7b72= Te6edf3uidTb4b4b4.Te6edf3geoChatSenderUidTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3messageId Tff7b72= Te6edf3uidTb4b4b4.Te6edf3geoChatMessageIdTb4b4b4(Tb4b4b4)

Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(

Ta5d6ff"Ta5d6ff<__chat parent='RootContactGroup' groupOwner='false' messageId='Tffd700${Te6edf3messageIdTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' chatroom='Tffd700${Te6edf3chatTb4b4b4.Te6edf3chatroomTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' id='Tffd700${Te6edf3chatTb4b4b4.Te6edf3chatroomTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' senderCallsign='Tffd700${Te6edf3chatTb4b4b4.Te6edf3senderCallsignTff7b72?.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4) Tff7b72?: Ta5d6ff"Ta5d6ff"Tffd700}Ta5d6ff'><chatgrp uid0='Tffd700${Te6edf3senderUidTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' uid1='Tffd700${Te6edf3chatTb4b4b4.Te6edf3chatroomTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' id='Tffd700${Te6edf3chatTb4b4b4.Te6edf3chatroomTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff'/></__chat>Ta5d6ff"Tb4b4b4,

Tb4b4b4)

Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(Ta5d6ff"Ta5d6ff<link uid='Tffd700${Te6edf3senderUidTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' type='a-f-G-U-C' relation='p-p'/>Ta5d6ff"Tb4b4b4)

Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(Ta5d6ff"Ta5d6ff<__serverdestination destinations='0.0.0.0:4242:tcp:Tffd700${Te6edf3senderUidTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff'/>Ta5d6ff"Tb4b4b4)

Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(

Ta5d6ff"Ta5d6ff<remarks source='BAO.F.ATAK.Tffd700${Te6edf3senderUidTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' to='Tffd700${Te6edf3chatTb4b4b4.Te6edf3chatroomTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff' time='Tffd700${Te6edf3timeTb4b4b4.Te6edf3toXmlStringTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff'>Tffd700${Te6edf3chatTb4b4b4.Te6edf3messageTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff</remarks>Ta5d6ff"Tb4b4b4,

Tb4b4b4)

Tb4b4b4} Tff7b72else Tff7b72if Tb4b4b4(Tff7b72!Te6edf3remarksTb4b4b4.Te6edf3isNullOrEmptyTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(Ta5d6ff"Ta5d6ff<remarks>Tffd700${Te6edf3remarksTb4b4b4.Te6edf3xmlEscapedTb4b4b4(Tb4b4b4)Tffd700}Ta5d6ff</remarks>Ta5d6ff"Tb4b4b4)

Tb4b4b4}

Te6edf3rawDetailXmlTff7b72?.Te6edf3let Tb4b4b4{

Tff7b72if Tb4b4b4(Tffa657itTb4b4b4.Te6edf3isNotEmptyTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(Tffa657itTb4b4b4)

Tb4b4b4}

Tb4b4b4}

Te6edf3sbTb4b4b4.Te6edf3appendTb4b4b4(Ta5d6ff"Ta5d6ff</detail></event>Ta5d6ff"Tb4b4b4)

Tff7b72return Te6edf3sbTb4b4b4.Te6edf3toStringTb4b4b4(Tb4b4b4)

Tb4b4b4}

T8b949e/**

* Format this [Instant] for CoT XML `time` / `start` / `stale` attributes.

*

* Always emits millisecond precision (`YYYY-MM-DDThh:mm:ss.SSSZ`). kotlinx-datetime's default [Instant.toString] can

* emit up to nanosecond precision; some TAK implementations choke on anything beyond milliseconds, so we truncate to ms

* and always include the millisecond field even when it would otherwise be zero.

*/

Tff7b72private Tff7b72fun Te6edf3InstantTb4b4b4.Td2a8fftoXmlStringTb4b4b4(Tb4b4b4)Tb4b4b4: Tffa657String Tb4b4b4{

Tff7b72val Te6edf3millis Tff7b72= Tff7b72thisTb4b4b4.Te6edf3toEpochMillisecondsTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3truncated Tff7b72= Te6edf3InstantTb4b4b4.Te6edf3fromEpochMillisecondsTb4b4b4(Te6edf3millisTb4b4b4)

Tff7b72val Te6edf3base Tff7b72= Te6edf3truncatedTb4b4b4.Te6edf3toStringTb4b4b4(Tb4b4b4)

T8b949e// kotlinx-datetime omits the fractional part when it's zero; pad it ourselves so the

T8b949e// CoT timestamp format is stable at ms precision.

Tff7b72return Tff7b72if Tb4b4b4(Te6edf3baseTb4b4b4.Te6edf3containsTb4b4b4(Ta5d6ff'.'Tb4b4b4)Tb4b4b4) Te6edf3base Tff7b72else Te6edf3baseTb4b4b4.Te6edf3removeSuffixTb4b4b4(Ta5d6ff"Ta5d6ffZTa5d6ff"Tb4b4b4) Tff7b72+ Ta5d6ff"Ta5d6ff.000ZTa5d6ff"

Tb4b4b4}