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Event mode: Enforce reliable hop limit and disallow default public MQTT (#4343)

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* Event mode: Enforce reliable hop limit

* Event mode: Short circuit wantsLink on MQTT for default broker address

* Just enforce at channels level since everything uses this

* For events never forward packets with excessive hop_limit

* In EVENT_MODE, don't respond with hop_limit set more then the configured max.

* Correct hop_start when correcting hop_limit in event mode.

* Make EVENT_MODE work from userPrefs.h

* Event mode: Disallow Router or Repeater roles

---------

Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>
This commit is contained in:
Ben Meadors
2024-07-29 20:16:47 -05:00
committed by GitHub
parent 6813b8e4e9
commit 59cc57fc29
9 changed files with 45 additions and 3 deletions
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3
src/mesh/Router.cpp
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@@ -11,6 +11,7 @@
#if !MESHTASTIC_EXCLUDE_MQTT
#include "mqtt/MQTT.h"
#endif
#include "Default.h"
#if ARCH_PORTDUINO
#include "platform/portduino/PortduinoGlue.h"
#endif
@@ -125,7 +126,7 @@ meshtastic_MeshPacket *Router::allocForSending()
p->which_payload_variant = meshtastic_MeshPacket_decoded_tag; // Assume payload is decoded at start.
p->from = nodeDB->getNodeNum();
p->to = NODENUM_BROADCAST;
p->hop_limit = (config.lora.hop_limit >= HOP_MAX) ? HOP_MAX : config.lora.hop_limit;
p->hop_limit = Default::getConfiguredOrDefaultHopLimit(config.lora.hop_limit);
p->id = generatePacketId();
p->rx_time =
getValidTime(RTCQualityFromNet); // Just in case we process the packet locally - make sure it has a valid timestamp