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Initial PhoneAPI rate-limiting of messages on certain ports (#4756)

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Ben Meadors 2024-09-18 10:13:07 -05:00 committed by GitHub
parent 35e1c401e2
commit 777bcf691a
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3 changed files with 37 additions and 1 deletions
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2
src/mesh/Default.h
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@ -3,6 +3,8 @@
#include <cstdint>
#define ONE_DAY 24 * 60 * 60
#define ONE_MINUTE_MS 60 * 1000
#define THIRTY_SECONDS_MS 30 * 1000
#define FIVE_SECONDS_MS 5 * 1000
#define default_gps_update_interval IF_ROUTER(ONE_DAY, 2 * 60)
#define default_telemetry_broadcast_interval_secs IF_ROUTER(ONE_DAY / 2, 30 * 60)

26
src/mesh/PhoneAPI.cpp
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@ -25,6 +25,7 @@
#if !MESHTASTIC_EXCLUDE_MQTT
#include "mqtt/MQTT.h"
#endif
#include <RTC.h>
PhoneAPI::PhoneAPI()
{
@ -541,14 +542,37 @@ bool PhoneAPI::available()
return false;
}
void PhoneAPI::sendNotification(meshtastic_LogRecord_Level level, uint32_t replyId, const char *message)
{
meshtastic_ClientNotification *cn = clientNotificationPool.allocZeroed();
cn->has_reply_id = true;
cn->reply_id = replyId;
cn->level = meshtastic_LogRecord_Level_WARNING;
cn->time = getValidTime(RTCQualityFromNet);
strncpy(cn->message, message, sizeof(cn->message));
service->sendClientNotification(cn);
delete cn;
}
/**
* Handle a packet that the phone wants us to send. It is our responsibility to free the packet to the pool
*/
bool PhoneAPI::handleToRadioPacket(meshtastic_MeshPacket &p)
{
printPacket("PACKET FROM PHONE", &p);
if (p.decoded.portnum == meshtastic_PortNum_TRACEROUTE_APP && lastPortNumToRadio[p.decoded.portnum] &&
(millis() - lastPortNumToRadio[p.decoded.portnum]) < (THIRTY_SECONDS_MS)) {
LOG_WARN("Rate limiting portnum %d\n", p.decoded.portnum);
sendNotification(meshtastic_LogRecord_Level_WARNING, p.id, "TraceRoute can only be sent once every 30 seconds");
return false;
} else if (p.decoded.portnum == meshtastic_PortNum_POSITION_APP && lastPortNumToRadio[p.decoded.portnum] &&
(millis() - lastPortNumToRadio[p.decoded.portnum]) < (FIVE_SECONDS_MS)) {
LOG_WARN("Rate limiting portnum %d\n", p.decoded.portnum);
sendNotification(meshtastic_LogRecord_Level_WARNING, p.id, "Position can only be sent once every 5 seconds");
return false;
}
lastPortNumToRadio[p.decoded.portnum] = millis();
service->handleToRadio(p);
return true;
}

10
src/mesh/PhoneAPI.h
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@ -2,8 +2,10 @@
#include "Observer.h"
#include "mesh-pb-constants.h"
#include "meshtastic/portnums.pb.h"
#include <iterator>
#include <string>
#include <unordered_map>
#include <vector>
// Make sure that we never let our packets grow too large for one BLE packet
@ -48,6 +50,9 @@ class PhoneAPI
uint8_t config_state = 0;
// Hashmap of timestamps for last time we received a packet on the API per portnum
std::unordered_map<meshtastic_PortNum, uint32_t> lastPortNumToRadio;
/**
* Each packet sent to the phone has an incrementing count
*/
@ -99,6 +104,11 @@ class PhoneAPI
*/
virtual bool handleToRadio(const uint8_t *buf, size_t len);
/**
* Send a (client)notification to the phone
*/
virtual void sendNotification(meshtastic_LogRecord_Level level, uint32_t replyId, const char *message);
/**
* Get the next packet we want to send to the phone
*