still wip

User/lib/config.c

@@ -1,7 +1,62 @@
 #include "config.h"
 #include "ch32v30x_flash.h"
+#include "util/hexdump.h"
+#include "util/log.h"
 
 PersistentData_t persistent;
+#define TAG "Config"
+
+NodeEntry * getNextNode() {
+    uint32_t oldest_timestamp = UINT32_MAX;
+    NodeEntry *selectedNode = &(persistent.contacts[0]);
+    for (int i = 0; i < CONTACT_COUNT; i++) {
+        NodeEntry *curNode = &(persistent.contacts[i]);
+        if (curNode->last_seen_lt == 0) {
+            break;
+        }
+        if (curNode->last_seen_lt < oldest_timestamp) {
+            oldest_timestamp = curNode->last_seen_lt;
+            selectedNode = curNode;
+        }
+    }
+    return selectedNode;
+}
+
+NodeEntry * getNode(uint8_t hash) {
+    NodeEntry *selectedNode = NULL;
+    for (int i = 0; i < CONTACT_COUNT; i++) {
+        NodeEntry *curNode = &(persistent.contacts[i]);
+        if (curNode->pubKey[0] == hash) {
+            selectedNode = curNode;
+            break;
+        }
+    }
+    return selectedNode;
+}
+
+void printNodeDB() {
+    printf("Node database:\n");
+    for (int i = 0; i < CONTACT_COUNT; i++) {
+        const NodeEntry *node = &(persistent.contacts[i]);
+        if (node->last_seen_lt == 0) continue; // skip inactive nodes
+
+        printf("Node %d:\n", i);
+        printf("  Name: %s\n", node->name);
+        hexdump("Pubkey", node->pubKey, sizeof(node->pubKey));
+        hexdump("Secret", node->secret, sizeof(node->secret));
+        printf("\n");
+
+        printf("  GPS: lat=%d, lon=%d\n", node->gps_latitude, node->gps_longitude);
+        printf("  Path: ... (not expanded, add if needed)\n");
+        printf("  Flags: 0x%02X\n", node->flags);
+        printf("  Type: 0x%02X\n", node->type);
+        printf("  Authenticated: %s\n", node->authenticated ? "Yes" : "No");
+        printf("  Last Seen (remote ts): %d\n", node->last_seen_rt);
+        printf("  Last Seen (local ts): %d\n", node->last_seen_lt);
+        printf("  Sync timestamp: %d\n", node->sync_timestamp);
+        printf("--------------------------------------\n");
+    }
+}
 
 void loadConfig() {
     memcpy (&persistent, FLASH_USER_PAGE_ADDR, sizeof (persistent));