* setting up framework for Regions, TransportKeys, etc

src/helpers/RegionMap.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <Arduino.h>   // needed for PlatformIO
+#include <Packet.h>
+#include "TransportKeyStore.h"
+
+#ifndef MAX_REGION_ENTRIES
+  #define MAX_REGION_ENTRIES  32
+#endif
+
+#define REGION_ALLOW_FLOOD  0x01
+
+struct RegionEntry {
+  uint16_t id;
+  uint16_t parent;
+  uint8_t flags;
+  char name[31];
+};
+
+class RegionMap {
+  TransportKeyStore* _store;
+  uint16_t next_id;
+  uint16_t num_regions;
+  RegionEntry regions[MAX_REGION_ENTRIES];
+  RegionEntry wildcard;
+
+public:
+  RegionMap(TransportKeyStore& store) : _store(&store) {
+    next_id = 1; num_regions = 0;
+    wildcard.id = wildcard.parent = 0;
+    wildcard.flags = REGION_ALLOW_FLOOD;  // default behaviour, allow flood
+  }
+  void load(FILESYSTEM* _fs);
+  void save(FILESYSTEM* _fs);
+
+  RegionEntry* findMatch(mesh::Packet* packet, uint8_t mask);
+  const RegionEntry& getWildcard() const { return wildcard; }
+  const RegionEntry* findName(const char* name) const;
+};