feat: 视频与控制程序合并

src/transport_kcp.c

@@ -1788,6 +1788,33 @@ int kcp_conn_local_addr(const kcp_conn_t *conn, struct sockaddr_storage *addr, s
     return 0;
 }
 
+void kcp_conn_runtime_stats_snapshot(kcp_conn_t *conn, kcp_runtime_stats_t *out_stats) {
+    if (out_stats == NULL) {
+        return;
+    }
+
+    memset(out_stats, 0, sizeof(*out_stats));
+    if (conn == NULL) {
+        return;
+    }
+
+    out_stats->connected = atomic_load(&conn->closed) ? 0 : 1;
+    pthread_mutex_lock(&conn->kcp_mu);
+    if (conn->kcp != NULL) {
+        out_stats->conv = conn->kcp->conv;
+        out_stats->rto_ms = conn->kcp->rx_rto;
+        out_stats->srtt_ms = conn->kcp->rx_srtt;
+        out_stats->srttvar_ms = conn->kcp->rx_rttval;
+        out_stats->snd_queue = conn->kcp->nsnd_que;
+        out_stats->rcv_queue = conn->kcp->nrcv_que;
+        out_stats->snd_buffer = conn->kcp->nsnd_buf;
+        out_stats->xmit_total = conn->kcp->xmit;
+    } else {
+        out_stats->connected = 0;
+    }
+    pthread_mutex_unlock(&conn->kcp_mu);
+}
+
 int kcp_conn_close(kcp_conn_t *conn) {
     if (conn == NULL) {
         return 0;