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* default and reply scopes now applied

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This commit is contained in:
Scott Powell
2026-09-03 14:09:15 +10:00
parent 65aa1138ae
commit b4e37044ed
2 changed files with 69 additions and 13 deletions
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examples/simple_sensor/SensorMesh.cpp
+63 -13
View File
@@ -1,4 +1,5 @@
#include "SensorMesh.h"
#include <helpers/RoutingPolicy.h>
/* ------------------------------ Config -------------------------------- */
@@ -262,7 +263,7 @@ void SensorMesh::sendAlert(const ClientInfo* c, Trigger* t) {
sendDirect(pkt, c->out_path, c->out_path_len);
} else {
unsigned long delay_millis = 0;
sendFlood(pkt, delay_millis, _prefs.path_hash_mode + 1);
sendFloodScoped(default_scope, pkt, delay_millis, _prefs.path_hash_mode + 1);
}
}
t->send_expiry = futureMillis(ALERT_ACK_EXPIRY_MILLIS);
@@ -400,10 +401,11 @@ void SensorMesh::handleCommand(uint32_t sender_timestamp, char* command, char* r
if (sp == NULL) {
strcpy(reply, "Err - bad params");
} else {
int hex_len = min(sp - hex, PUB_KEY_SIZE*2);
uint8_t pubkey[PUB_KEY_SIZE];
*sp++ = 0; // replace space with null terminator
uint8_t pubkey[PUB_KEY_SIZE];
int hex_len = min(sp - hex, PUB_KEY_SIZE*2);
if (mesh::Utils::fromHex(pubkey, hex_len / 2, hex)) {
uint8_t perms = atoi(sp);
if (acl.applyPermissions(self_id, pubkey, hex_len / 2, perms)) {
@@ -451,6 +453,21 @@ void SensorMesh::handleCommand(uint32_t sender_timestamp, char* command, char* r
}
}
mesh::DispatcherAction SensorMesh::onRecvPacket(mesh::Packet* pkt) {
if (pkt->getRouteType() == ROUTE_TYPE_TRANSPORT_FLOOD) {
recv_pkt_region = region_map.findMatch(pkt, REGION_DENY_FLOOD);
} else if (pkt->getRouteType() == ROUTE_TYPE_FLOOD) {
if (region_map.getWildcard().flags & REGION_DENY_FLOOD) {
recv_pkt_region = NULL;
} else {
recv_pkt_region = &region_map.getWildcard();
}
} else {
recv_pkt_region = NULL;
}
return Mesh::onRecvPacket(pkt);
}
void SensorMesh::onAnonDataRecv(mesh::Packet* packet, const uint8_t* secret, const mesh::Identity& sender, uint8_t* data, size_t len) {
if (packet->getPayloadType() == PAYLOAD_TYPE_ANON_REQ) { // received an initial request by a possible admin client (unknown at this stage)
uint32_t timestamp;
@@ -472,10 +489,10 @@ void SensorMesh::onAnonDataRecv(mesh::Packet* packet, const uint8_t* secret, con
// let this sender know path TO here, so they can use sendDirect(), and ALSO encode the response
mesh::Packet* path = createPathReturn(sender, secret, packet->path, packet->path_len,
PAYLOAD_TYPE_RESPONSE, reply_data, reply_len);
if (path) sendFlood(path, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
if (path) sendFloodReply(path, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
} else {
mesh::Packet* reply = createDatagram(PAYLOAD_TYPE_RESPONSE, sender, secret, reply_data, reply_len);
if (reply) sendFlood(reply, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
if (reply) sendFloodReply(reply, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
}
}
}
@@ -503,7 +520,7 @@ void SensorMesh::getPeerSharedSecret(uint8_t* dest_secret, int peer_idx) {
void SensorMesh::sendAckTo(const ClientInfo& dest, uint32_t ack_hash, uint8_t path_hash_size) {
if (dest.out_path_len == OUT_PATH_UNKNOWN) {
mesh::Packet* ack = createAck(ack_hash);
if (ack) sendFlood(ack, TXT_ACK_DELAY, path_hash_size);
if (ack) sendFloodScoped(default_scope, ack, TXT_ACK_DELAY, path_hash_size);
} else {
uint32_t d = TXT_ACK_DELAY;
if (getExtraAckTransmitCount() > 0) {
@@ -541,14 +558,14 @@ void SensorMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender_i
// let this sender know path TO here, so they can use sendDirect(), and ALSO encode the response
mesh::Packet* path = createPathReturn(from->id, secret, packet->path, packet->path_len,
PAYLOAD_TYPE_RESPONSE, reply_data, reply_len);
if (path) sendFlood(path, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
if (path) sendFloodReply(path, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
} else {
mesh::Packet* reply = createDatagram(PAYLOAD_TYPE_RESPONSE, from->id, secret, reply_data, reply_len);
if (reply) {
if (from->out_path_len != OUT_PATH_UNKNOWN) { // we have an out_path, so send DIRECT
sendDirect(reply, from->out_path, from->out_path_len, SERVER_RESPONSE_DELAY);
} else {
sendFlood(reply, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
sendFloodReply(reply, SERVER_RESPONSE_DELAY, packet->getPathHashSize());
}
}
}
@@ -571,7 +588,7 @@ void SensorMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender_i
// let this sender know path TO here, so they can use sendDirect(), and ALSO encode the ACK
mesh::Packet* path = createPathReturn(from->id, secret, packet->path, packet->path_len,
PAYLOAD_TYPE_ACK, (uint8_t *) &ack_hash, 4);
if (path) sendFlood(path, TXT_ACK_DELAY, packet->getPathHashSize());
if (path) sendFloodReply(path, TXT_ACK_DELAY, packet->getPathHashSize());
} else {
sendAckTo(*from, ack_hash, packet->getPathHashSize());
}
@@ -601,7 +618,7 @@ void SensorMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender_i
auto reply = createDatagram(PAYLOAD_TYPE_TXT_MSG, from->id, secret, temp, 5 + text_len);
if (reply) {
if (from->out_path_len == OUT_PATH_UNKNOWN) {
sendFlood(reply, CLI_REPLY_DELAY_MILLIS, packet->getPathHashSize());
sendFloodReply(reply, CLI_REPLY_DELAY_MILLIS, packet->getPathHashSize());
} else {
sendDirect(reply, from->out_path, from->out_path_len, CLI_REPLY_DELAY_MILLIS);
}
@@ -708,6 +725,7 @@ SensorMesh::SensorMesh(mesh::MainBoard& board, mesh::Radio& radio, mesh::Millise
last_read_time = 0;
num_alert_tasks = 0;
set_radio_at = revert_radio_at = 0;
recv_pkt_region = NULL;
// defaults
_prefs.airtime_factor = 1.0;
@@ -820,11 +838,43 @@ void SensorMesh::applyTempRadioParams(float freq, float bw, uint8_t sf, uint8_t
revert_radio_at = futureMillis(2000 + timeout_mins*60*1000); // schedule when to revert radio params
}
void SensorMesh::sendFloodScoped(const TransportKey& scope, mesh::Packet* pkt, uint32_t delay_millis, uint8_t path_hash_size) {
if (scope.isNull()) {
sendFlood(pkt, delay_millis, path_hash_size);
} else {
uint16_t codes[2];
codes[0] = scope.calcTransportCode(pkt);
codes[1] = 0; // REVISIT: set to 'home' Region, for sender/return region?
sendFlood(pkt, codes, delay_millis, path_hash_size);
}
}
void SensorMesh::sendFloodReply(mesh::Packet* packet, unsigned long delay_millis, uint8_t path_hash_size) {
TransportKey req_scope;
bool is_wildcard = recv_pkt_region != NULL && recv_pkt_region->isWildcard();
bool req_scope_known = recv_pkt_region != NULL && !is_wildcard
&& region_map.getTransportKeysFor(*recv_pkt_region, &req_scope, 1) > 0;
switch (mesh::chooseReplyScope(req_scope_known, is_wildcard, !default_scope.isNull())) {
case mesh::REPLY_SCOPE_REQUEST:
sendFloodScoped(req_scope, packet, delay_millis, path_hash_size); // reply with same scope as request
break;
case mesh::REPLY_SCOPE_DEFAULT:
// requester's scope is unknown: DIRECT request (no transport codes), or code matched no Region.
// un-scoped would be dropped at hop 0 by repeaters running flood.max.unscoped=0
sendFloodScoped(default_scope, packet, delay_millis, path_hash_size);
break;
case mesh::REPLY_SCOPE_NONE:
sendFlood(packet, delay_millis, path_hash_size); // send un-scoped
break;
}
}
void SensorMesh::sendSelfAdvertisement(int delay_millis, bool flood) {
mesh::Packet* pkt = createSelfAdvert();
if (pkt) {
if (flood) {
sendFlood(pkt, delay_millis, _prefs.path_hash_mode + 1);
sendFloodScoped(default_scope, pkt, delay_millis, _prefs.path_hash_mode + 1);
} else {
sendZeroHop(pkt, delay_millis);
}
@@ -902,7 +952,7 @@ void SensorMesh::loop() {
if (next_flood_advert && millisHasNowPassed(next_flood_advert)) {
mesh::Packet* pkt = createSelfAdvert();
unsigned long delay_millis = 0;
if (pkt) sendFlood(pkt, delay_millis, _prefs.path_hash_mode + 1);
if (pkt) sendFloodScoped(default_scope, pkt, delay_millis, _prefs.path_hash_mode + 1);
updateFloodAdvertTimer(); // schedule next flood advert
updateAdvertTimer(); // also schedule local advert (so they don't overlap)
@@ -973,7 +1023,7 @@ void SensorMesh::loop() {
}
}
// is there are pending dirty contacts write needed?
// pending dirty contacts write needed?
if (dirty_contacts_expiry && millisHasNowPassed(dirty_contacts_expiry)) {
acl.save(_fs);
dirty_contacts_expiry = 0;
examples/simple_sensor/SensorMesh.h
+6
View File
@@ -81,6 +81,9 @@ public:
float getTelemValue(uint8_t channel, uint8_t type);
void sendFloodScoped(const TransportKey& scope, mesh::Packet* pkt, uint32_t delay_millis, uint8_t path_hash_size);
void sendFloodReply(mesh::Packet* packet, unsigned long delay_millis, uint8_t path_hash_size);
protected:
// current telemetry data queries
float getVoltage(uint8_t channel) { return getTelemValue(channel, LPP_VOLTAGE); }
@@ -122,6 +125,7 @@ protected:
int getInterferenceThreshold() const override;
bool getCADEnabled() const override;
int getAGCResetInterval() const override;
mesh::DispatcherAction onRecvPacket(mesh::Packet* pkt) override;
void onAnonDataRecv(mesh::Packet* packet, const uint8_t* secret, const mesh::Identity& sender, uint8_t* data, size_t len) override;
int searchPeersByHash(const uint8_t* hash) override;
void getPeerSharedSecret(uint8_t* dest_secret, int peer_idx) override;
@@ -129,6 +133,7 @@ protected:
bool onPeerPathRecv(mesh::Packet* packet, int sender_idx, const uint8_t* secret, uint8_t* path, uint8_t path_len, uint8_t extra_type, uint8_t* extra, uint8_t extra_len) override;
void onControlDataRecv(mesh::Packet* packet) override;
void onAckRecv(mesh::Packet* packet, uint32_t ack_crc) override;
virtual bool handleIncomingMsg(ClientInfo& from, uint32_t timestamp, uint8_t* data, uint8_t flags, size_t len);
void sendAckTo(const ClientInfo& dest, uint32_t ack_hash, uint8_t path_hash_size=1);
private:
@@ -142,6 +147,7 @@ private:
CayenneLPP telemetry;
TransportKeyStore key_store;
RegionMap region_map;
RegionEntry* recv_pkt_region;
TransportKey default_scope;
uint32_t last_read_time;
int matching_peer_indexes[MAX_SEARCH_RESULTS];