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Smarter traffic scaling (#5264)

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Ben Meadors 2024-11-06 15:00:53 -06:00 committed by GitHub
parent 3bd3911913
commit 73e2e25eb1
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2 changed files with 28 additions and 4 deletions
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5
src/mesh/Default.cpp
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@ -1,5 +1,6 @@
#include "Default.h" #include "Default.h"
#include "../userPrefs.h" #include "../userPrefs.h"
#include "meshUtils.h"
uint32_t Default::getConfiguredOrDefaultMs(uint32_t configuredInterval, uint32_t defaultInterval) uint32_t Default::getConfiguredOrDefaultMs(uint32_t configuredInterval, uint32_t defaultInterval)
{ {
@ -40,6 +41,10 @@ uint32_t Default::getConfiguredOrDefaultMsScaled(uint32_t configured, uint32_t d
if (config.device.role == meshtastic_Config_DeviceConfig_Role_ROUTER) if (config.device.role == meshtastic_Config_DeviceConfig_Role_ROUTER)
return getConfiguredOrDefaultMs(configured, defaultValue); return getConfiguredOrDefaultMs(configured, defaultValue);
// Additionally if we're a tracker or sensor, we want priority to send position and telemetry
if (IS_ONE_OF(config.device.role, meshtastic_Config_DeviceConfig_Role_SENSOR, meshtastic_Config_DeviceConfig_Role_TRACKER))
return getConfiguredOrDefaultMs(configured, defaultValue);
return getConfiguredOrDefaultMs(configured, defaultValue) * congestionScalingCoefficient(numOnlineNodes); return getConfiguredOrDefaultMs(configured, defaultValue) * congestionScalingCoefficient(numOnlineNodes);
} }

27
src/mesh/Default.h
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@ -1,6 +1,7 @@
#pragma once #pragma once
#include <NodeDB.h> #include <NodeDB.h>
#include <cstdint> #include <cstdint>
#include <meshUtils.h>
#define ONE_DAY 24 * 60 * 60 #define ONE_DAY 24 * 60 * 60
#define ONE_MINUTE_MS 60 * 1000 #define ONE_MINUTE_MS 60 * 1000
#define THIRTY_SECONDS_MS 30 * 1000 #define THIRTY_SECONDS_MS 30 * 1000
@ -41,12 +42,30 @@ class Default
private: private:
static float congestionScalingCoefficient(int numOnlineNodes) static float congestionScalingCoefficient(int numOnlineNodes)
{ {
if (numOnlineNodes <= 40) { // Increase frequency of broadcasts for small networks regardless of preset
return 1.0; // No scaling for 40 or fewer nodes if (numOnlineNodes <= 10) {
return 0.6;
} else if (numOnlineNodes <= 20) {
return 0.7;
} else if (numOnlineNodes <= 30) {
return 0.8;
} else if (numOnlineNodes <= 40) {
return 1.0;
} else { } else {
// Sscaling based on number of nodes over 40 float throttlingFactor = 0.075;
if (config.lora.use_preset && config.lora.modem_preset == meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_SLOW)
throttlingFactor = 0.04;
else if (config.lora.use_preset && config.lora.modem_preset == meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_FAST)
throttlingFactor = 0.02;
else if (config.lora.use_preset && config.lora.modem_preset == meshtastic_Config_LoRaConfig_ModemPreset_SHORT_SLOW)
throttlingFactor = 0.01;
else if (config.lora.use_preset &&
IS_ONE_OF(config.lora.modem_preset, meshtastic_Config_LoRaConfig_ModemPreset_SHORT_FAST,
meshtastic_Config_LoRaConfig_ModemPreset_SHORT_TURBO))
return 1.0; // Don't bother throttling for highest bandwidth presets
// Scaling up traffic based on number of nodes over 40
int nodesOverForty = (numOnlineNodes - 40); int nodesOverForty = (numOnlineNodes - 40);
return 1.0 + (nodesOverForty * 0.075); // Each number of online node scales by 0.075 return 1.0 + (nodesOverForty * throttlingFactor); // Each number of online node scales by 0.075 (default)
} }
} }
}; };