From 569cfe177a3dfc5f0e61aa22853c4879f3c334f8 Mon Sep 17 00:00:00 2001 From: Scott Powell Date: Tue, 14 Apr 2026 17:51:34 +1000 Subject: [PATCH] * repeater: default-scope support --- examples/simple_repeater/MyMesh.cpp | 80 ++++++++++++++++++++++++++--- examples/simple_repeater/MyMesh.h | 4 ++ 2 files changed, 76 insertions(+), 8 deletions(-) diff --git a/examples/simple_repeater/MyMesh.cpp b/examples/simple_repeater/MyMesh.cpp index 24e88949..ec2f0775 100644 --- a/examples/simple_repeater/MyMesh.cpp +++ b/examples/simple_repeater/MyMesh.cpp @@ -413,6 +413,19 @@ bool MyMesh::isLooped(const mesh::Packet* packet, const uint8_t max_counters[]) return n >= max_counters[hash_size]; } +void MyMesh::sendFloodReply(mesh::Packet* packet, unsigned long delay_millis, uint8_t path_hash_size) { + if (recv_pkt_region) { // if _request_ packet scope is known, send reply with same scope + TransportKey scope; + if (region_map.getTransportKeysFor(*recv_pkt_region, &scope, 1) == 0) { + sendFloodScoped(default_scope, packet, delay_millis, path_hash_size); + } else { + sendFloodScoped(scope, packet, delay_millis, path_hash_size); + } + } else { + sendFloodScoped(default_scope, packet, delay_millis, path_hash_size); + } +} + bool MyMesh::allowPacketForward(const mesh::Packet *packet) { if (_prefs.disable_fwd) return false; if (packet->isRouteFlood() && packet->getPathHashCount() >= _prefs.flood_max) return false; @@ -578,10 +591,10 @@ void MyMesh::onAnonDataRecv(mesh::Packet *packet, const uint8_t *secret, const m // 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 if (reply_path_len < 0) { 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()); } else { mesh::Packet* reply = createDatagram(PAYLOAD_TYPE_RESPONSE, sender, secret, reply_data, reply_len); uint8_t path_len = ((reply_path_hash_size - 1) << 6) | (reply_path_len & 63); @@ -654,7 +667,7 @@ void MyMesh::onPeerDataRecv(mesh::Packet *packet, uint8_t type, int sender_idx, // let this sender know path TO here, so they can use sendDirect(), and ALSO encode the response mesh::Packet *path = createPathReturn(client->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, client->id, secret, reply_data, reply_len); @@ -662,7 +675,7 @@ void MyMesh::onPeerDataRecv(mesh::Packet *packet, uint8_t type, int sender_idx, if (client->out_path_len != OUT_PATH_UNKNOWN) { // we have an out_path, so send DIRECT sendDirect(reply, client->out_path, client->out_path_len, SERVER_RESPONSE_DELAY); } else { - sendFlood(reply, SERVER_RESPONSE_DELAY, packet->getPathHashSize()); + sendFloodReply(reply, SERVER_RESPONSE_DELAY, packet->getPathHashSize()); } } } @@ -693,7 +706,7 @@ void MyMesh::onPeerDataRecv(mesh::Packet *packet, uint8_t type, int sender_idx, mesh::Packet *ack = createAck(ack_hash); if (ack) { if (client->out_path_len == OUT_PATH_UNKNOWN) { - sendFlood(ack, TXT_ACK_DELAY, packet->getPathHashSize()); + sendFloodReply(ack, TXT_ACK_DELAY, packet->getPathHashSize()); } else { sendDirect(ack, client->out_path, client->out_path_len, TXT_ACK_DELAY); } @@ -721,7 +734,7 @@ void MyMesh::onPeerDataRecv(mesh::Packet *packet, uint8_t type, int sender_idx, auto reply = createDatagram(PAYLOAD_TYPE_TXT_MSG, client->id, secret, temp, 5 + text_len); if (reply) { if (client->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, client->out_path, client->out_path_len, CLI_REPLY_DELAY_MILLIS); } @@ -899,6 +912,8 @@ MyMesh::MyMesh(mesh::MainBoard &board, mesh::Radio &radio, mesh::MillisecondCloc pending_discover_tag = 0; pending_discover_until = 0; + + memset(default_scope.key, 0, sizeof(default_scope.key)); } void MyMesh::begin(FILESYSTEM *fs) { @@ -910,6 +925,26 @@ void MyMesh::begin(FILESYSTEM *fs) { // TODO: key_store.begin(); region_map.load(_fs); + // establish default-scope + { + RegionEntry* r = region_map.getDefaultRegion(); + if (r) { + region_map.getTransportKeysFor(*r, &default_scope, 1); + } else { +#ifdef DEFAULT_FLOOD_SCOPE_NAME + r = region_map.findByName(DEFAULT_FLOOD_SCOPE_NAME); + if (r == NULL) { + r = region_map.putRegion(DEFAULT_FLOOD_SCOPE_NAME, 0); // auto-create the default scope region + if (r) { r->flags = 0; } // Allow-flood + } + if (r) { + region_map.setDefaultRegion(r); + region_map.getTransportKeysFor(*r, &default_scope, 1); + } +#endif + } + } + #if defined(WITH_BRIDGE) if (_prefs.bridge_enabled) { bridge.begin(); @@ -933,6 +968,17 @@ void MyMesh::begin(FILESYSTEM *fs) { #endif } +void MyMesh::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 MyMesh::applyTempRadioParams(float freq, float bw, uint8_t sf, uint8_t cr, int timeout_mins) { set_radio_at = futureMillis(2000); // give CLI reply some time to be sent back, before applying temp radio params pending_freq = freq; @@ -960,7 +1006,7 @@ void MyMesh::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); } @@ -1231,6 +1277,24 @@ void MyMesh::handleCommand(uint32_t sender_timestamp, char *command, char *reply } else if (n == 2 && strcmp(parts[1], "home") == 0) { auto home = region_map.getHomeRegion(); sprintf(reply, " home is %s", home ? home->name : "*"); + } else if (n >= 3 && strcmp(parts[1], "default") == 0) { + if (strcmp(parts[2], "") == 0) { + region_map.setDefaultRegion(NULL); + memset(default_scope.key, 0, sizeof(default_scope.key)); + sprintf(reply, " default scope is now "); + } else { + auto def = region_map.findByNamePrefix(parts[2]); + if (def) { + region_map.setDefaultRegion(def); + region_map.getTransportKeysFor(*def, &default_scope, 1); + sprintf(reply, " default scope is now %s", def->name); + } else { + strcpy(reply, "Err - unknown region"); + } + } + } else if (n == 2 && strcmp(parts[1], "default") == 0) { + auto def = region_map.getDefaultRegion(); + sprintf(reply, " default scope is %s", def ? def->name : ""); } else if (n >= 3 && strcmp(parts[1], "put") == 0) { auto parent = n >= 4 ? region_map.findByNamePrefix(parts[3]) : ®ion_map.getWildcard(); if (parent == NULL) { @@ -1300,7 +1364,7 @@ void MyMesh::loop() { if (next_flood_advert && millisHasNowPassed(next_flood_advert)) { mesh::Packet *pkt = createSelfAdvert(); uint32_t 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) diff --git a/examples/simple_repeater/MyMesh.h b/examples/simple_repeater/MyMesh.h index 88729ea7..6af63fc5 100644 --- a/examples/simple_repeater/MyMesh.h +++ b/examples/simple_repeater/MyMesh.h @@ -97,6 +97,7 @@ class MyMesh : public mesh::Mesh, public CommonCLICallbacks { RegionMap region_map, temp_map; RegionEntry* load_stack[8]; RegionEntry* recv_pkt_region; + TransportKey default_scope; RateLimiter discover_limiter, anon_limiter; uint32_t pending_discover_tag; unsigned long pending_discover_until; @@ -172,6 +173,8 @@ 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 sendFloodReply(mesh::Packet* packet, unsigned long delay_millis, uint8_t path_hash_size); + public: MyMesh(mesh::MainBoard& board, mesh::Radio& radio, mesh::MillisecondClock& ms, mesh::RNG& rng, mesh::RTCClock& rtc, mesh::MeshTables& tables); @@ -189,6 +192,7 @@ public: _cli.savePrefs(_fs); } + void sendFloodScoped(const TransportKey& scope, mesh::Packet* pkt, uint32_t delay_millis, uint8_t path_hash_size); void applyTempRadioParams(float freq, float bw, uint8_t sf, uint8_t cr, int timeout_mins) override; bool formatFileSystem() override; void sendSelfAdvertisement(int delay_millis, bool flood) override;