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* Repeater: new anon request sub-type: ANON_REQ_TYPE_REGIONS (rate limited to max 4 every 3 mins)

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* Companion: new CMD_SEND_ANON_REQ command (reply with existing RESP_CODE_SENT frame)
This commit is contained in:
Scott Powell 2026-01-03 12:02:15 +11:00
parent e31c46ff56
commit 3af25495bb
7 changed files with 104 additions and 12 deletions
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22
examples/simple_repeater/MyMesh.cpp
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@ -51,6 +51,8 @@
#define RESP_SERVER_LOGIN_OK 0 // response to ANON_REQ
#define ANON_REQ_TYPE_REGIONS 0x01
#define CLI_REPLY_DELAY_MILLIS 600
#define LAZY_CONTACTS_WRITE_DELAY 5000
@ -139,6 +141,19 @@ uint8_t MyMesh::handleLoginReq(const mesh::Identity& sender, const uint8_t* secr
return 13; // reply length
}
uint8_t MyMesh::handleAnonRegionsReq(const mesh::Identity& sender, uint32_t sender_timestamp, const uint8_t* data) {
// REVISIT: should there be params like 'since' in request data[] ?
if (regions_limiter.allow(rtc_clock.getCurrentTime())) {
memcpy(reply_data, &sender_timestamp, 4); // prefix with sender_timestamp, like a tag
uint32_t now = getRTCClock()->getCurrentTime();
memcpy(&reply_data[4], &now, 4); // include our clock (for easy clock sync, if this is a trusted node)
return 8 + region_map.exportNamesTo((char *) &reply_data[8], sizeof(reply_data) - 12, REGION_DENY_FLOOD); // reply length
}
return 0;
}
int MyMesh::handleRequest(ClientInfo *sender, uint32_t sender_timestamp, uint8_t *payload, size_t payload_len) {
// uint32_t now = getRTCClock()->getCurrentTimeUnique();
// memcpy(reply_data, &now, 4); // response packets always prefixed with timestamp
@ -450,8 +465,8 @@ void MyMesh::onAnonDataRecv(mesh::Packet *packet, const uint8_t *secret, const m
uint8_t reply_len;
if (data[4] == 0 || data[4] >= ' ') { // is password, ie. a login request
reply_len = handleLoginReq(sender, secret, timestamp, &data[4], packet->isRouteFlood());
//} else if (data[4] == ANON_REQ_TYPE_*) { // future type codes
// TODO
} else if (data[4] == ANON_REQ_TYPE_REGIONS) {
reply_len = handleAnonRegionsReq(sender, timestamp, &data[5]);
} else {
reply_len = 0; // unknown request type
}
@ -668,7 +683,8 @@ MyMesh::MyMesh(mesh::MainBoard &board, mesh::Radio &radio, mesh::MillisecondCloc
mesh::RTCClock &rtc, mesh::MeshTables &tables)
: mesh::Mesh(radio, ms, rng, rtc, *new StaticPoolPacketManager(32), tables),
_cli(board, rtc, sensors, &_prefs, this), telemetry(MAX_PACKET_PAYLOAD - 4), region_map(key_store), temp_map(key_store),
discover_limiter(4, 120) // max 4 every 2 minutes
discover_limiter(4, 120), // max 4 every 2 minutes
regions_limiter(4, 180) // max 4 every 3 minutes
#if defined(WITH_RS232_BRIDGE)
, bridge(&_prefs, WITH_RS232_BRIDGE, _mgr, &rtc)
#endif