Prioritize supernodes in invites and update chat background and ringtone

src/chat/invite_build.c

@@ -65,7 +65,7 @@ static int node_has_both_public(struct UTUN_INSTANCE* inst, uint64_t node_id) {
 static uint64_t pick_best_node(struct UTUN_INSTANCE* inst, uint64_t channel_id, int* out_has_both_public, int* out_priority) {
     struct chat_core_ctx* cc = CC(inst);
     uint64_t best_nid = 0;
-    int best_priority = 4; /* 1=regular, 2=self, 3=super, 4=invalid */
+    int best_priority = 4; /* 1=super, 2=regular, 3=self, 4=invalid */
     int best_has_both = 0;
 
     struct TOPO_GROUP* grp = resolve_chat_group(inst, channel_id);
@@ -99,9 +99,9 @@ static uint64_t pick_best_node(struct UTUN_INSTANCE* inst, uint64_t channel_id,
         int has_both = node_has_both_public(inst, nid);
 
         int priority;
-        if (nid == cc->my_node_id) priority = 2;   /* self */
+        if (ntype == 4) priority = 1; /* supernode, включая self */
-        else if (ntype == 4)         priority = 3;   /* supernode */
+        else if (nid == cc->my_node_id) priority = 3;
-        else                         priority = 1;   /* regular */
+        else priority = 2;
 
         if (priority <= best_priority) {
             best_nid = nid;
@@ -122,6 +122,9 @@ static uint64_t resolve_auto_node(struct UTUN_INSTANCE* inst, uint64_t channel_i
     int has_both = 0, prio = 4;
     uint64_t best = pick_best_node(inst, channel_id, &has_both, &prio);
     if (best == 0) best = cc->my_node_id;
+    DEBUG_INFO(DEBUG_CATEGORY_CHAT_SYNC, "invite_build: auto selection ch=%llu node=0x%016llx role=%s self=%d",
+               (unsigned long long)channel_id, (unsigned long long)best,
+               prio == 1 ? "supernode" : prio == 2 ? "regular" : "self", best == cc->my_node_id);
     if (out_has_both) *out_has_both = has_both;
     if (out_priority) *out_priority = prio;
     return best;

src/chat/invite_build.h

@@ -20,7 +20,7 @@ struct chat_invite_build;
 typedef void (*chat_invite_ready_fn)(void* arg, int result, const char* link);
 
 /* Собрать invite-ссылку для канала.
- * target_node_id = 0 → auto (лучший достижимый мембер, иначе self).
+ * target_node_id = 0 → auto (достижимый суперузел → обычный узел → self).
  * target_node_id != 0 → конкретный узел (должен быть достижимым мембером канала).
  * password = NULL → без пароля.
  * NULL=ошибка запуска, callback не вызывается. Иначе callback после возврата,
@@ -35,7 +35,7 @@ void chat_invite_build_cancel(struct chat_invite_build* request);
  * Возвращает количество (0..max_ids), либо -1. */
 int chat_invite_candidate_nodes(struct UTUN_INSTANCE* inst, uint64_t channel_id, uint64_t* out_ids, int max_ids);
 
-/* Авто-узел: лучший достижимый мембер, иначе self. Возвращает 0 и заполняет out_node_id, либо -1. */
+/* Авто-узел: достижимый суперузел → обычный узел → self. Возвращает 0 и заполняет out_node_id, либо -1. */
 int chat_invite_best_node(struct UTUN_INSTANCE* inst, uint64_t channel_id, uint64_t* out_node_id);
 
 /* Трамплин для gui_bridge (arg = u_malloc(struct chat_invite_build_req)).

tests/test_chat_join_e2e.c

@@ -12,6 +12,7 @@
 //   invalid  неверный ключ: J отклонён, мембера J нет.
 
 #include "chat_core.h"
+#include "chat_core_priv.h"
 #include "chat_sync.h"
 #include "chat_join.h"
 #include "chat_headless_control.h"
@@ -432,6 +433,46 @@ out:
 
 /* ── child_main ── */
 
+/* Проверяем выбор на реальных мемберах канала; изменения производных полей откатываем до следующего poll. */
+static int check_invite_priority(struct UTUN_INSTANCE* inst) {
+    uint64_t channel_id = strtoull(g_sh.ch_id, NULL, 10), selected = 0;
+    struct TOPO_GROUP* group = topo_groups_find(inst->topo_groups, channel_id);
+    struct TOPO_GROUP_NODE* peer = topo_node_find_by_id(group, g_sh.nid[IDX_C]);
+    if (!peer) { DEBUG_ERROR(DEBUG_CATEGORY_CHAT_SYNC, "test invite priority: missing peer"); return 0; }
+    uint64_t deadline = get_time_tb() + 10000;
+    while (!peer->conn_presence && get_time_tb() < deadline) poll_checked(inst);
+    if (!peer->conn_presence) { DEBUG_ERROR(DEBUG_CATEGORY_CHAT_SYNC, "test invite priority: peer unreachable"); return 0; }
+    char table[80], sql[256];
+    peers_table_name(g_sh.ch_id, table, sizeof(table));
+    sqlite3* db = inst->topo_sqlite_db;
+    if (sqlite3_exec(db, "SAVEPOINT invite_priority", NULL, NULL, NULL) != SQLITE_OK) {
+        DEBUG_ERROR(DEBUG_CATEGORY_CHAT_SYNC, "test invite priority: savepoint failed: %s", sqlite3_errmsg(db)); return 0;
+    }
+    int ok = 0;
+    uint8_t presence = peer->conn_presence;
+    snprintf(sql, sizeof(sql), "UPDATE \"%s\" SET node_type=1", table);
+    if (sqlite3_exec(db, sql, NULL, NULL, NULL) != SQLITE_OK) goto out;
+    if (chat_invite_best_node(inst, channel_id, &selected) || selected != g_sh.nid[IDX_C]) goto out;
+    snprintf(sql, sizeof(sql), "UPDATE \"%s\" SET node_type=4 WHERE node_id=%lld", table, (long long)inst->node_id);
+    if (sqlite3_exec(db, sql, NULL, NULL, NULL) != SQLITE_OK) goto out;
+    if (chat_invite_best_node(inst, channel_id, &selected) || selected != inst->node_id) goto out;
+    snprintf(sql, sizeof(sql), "UPDATE \"%s\" SET node_type=1 WHERE node_id=%lld", table, (long long)inst->node_id);
+    if (sqlite3_exec(db, sql, NULL, NULL, NULL) != SQLITE_OK) goto out;
+    snprintf(sql, sizeof(sql), "UPDATE \"%s\" SET node_type=4 WHERE node_id=%lld", table, (long long)g_sh.nid[IDX_C]);
+    if (sqlite3_exec(db, sql, NULL, NULL, NULL) != SQLITE_OK) goto out;
+    if (chat_invite_best_node(inst, channel_id, &selected) || selected != g_sh.nid[IDX_C]) goto out;
+    peer->conn_presence = 0;
+    if (chat_invite_best_node(inst, channel_id, &selected) || selected != inst->node_id) goto out;
+    ok = 1;
+out:
+    peer->conn_presence = presence;
+    if (sqlite3_exec(db, "ROLLBACK TO invite_priority; RELEASE invite_priority", NULL, NULL, NULL) != SQLITE_OK) ok = 0;
+    if (!ok) DEBUG_ERROR(DEBUG_CATEGORY_CHAT_SYNC, "test invite priority failed: selected=%016llx err=%s",
+                         (unsigned long long)selected, sqlite3_errmsg(db));
+    else DEBUG_INFO(DEBUG_CATEGORY_CHAT_SYNC, "test invite priority: regular, self-supernode, supernode, unreachable PASS");
+    return ok;
+}
+
 static int child_main(const char* role, const char* dir, int invalid_key) {
     struct UASYNC* ua = uasync_create();
     if (!ua) { fprintf(stderr, "%s: uasync_create failed\n", role); return 1; }
@@ -477,6 +518,7 @@ static int child_main(const char* role, const char* dir, int invalid_key) {
         if (!g_sh.degraded && !wait_bgp(inst, g_sh.nid[IDX_C], 8000)) {
             fprintf(stderr, "A: no BGP to C\n"); goto out;
         }
+        if (!g_sh.degraded && !check_invite_priority(inst)) goto out;
 
         uint64_t target = g_sh.degraded ? g_sh.nid[IDX_A] : g_sh.nid[IDX_C];
         struct invite_result result = {0};