1

src/etcp_connections.c

@@ -723,8 +723,8 @@ static void link_stats_timer_cb(void* arg) {
     link->stat_win[link->win_ptr].pkt_loss      = (uint16_t)link->window_retransmissions;
     link->stat_win[link->win_ptr].pkt_transmitted = link->window_pkt_transmitted;
 
-    DEBUG_DEBUG(DEBUG_CATEGORY_ETCP, "[%s] stats window updated (win_timebase=%u us, rtt=%u, retrans=%u, transmitted=%u)",
-                link->etcp->log_name, link->win_timebase, link->rtt_avg10, link->window_retransmissions, link->window_pkt_transmitted);
+//    DEBUG_DEBUG(DEBUG_CATEGORY_ETCP, "[%s] stats window updated (win_timebase=%u us, rtt=%u, retrans=%u, transmitted=%u)",
+//                link->etcp->log_name, link->win_timebase, link->rtt_avg10, link->window_retransmissions, link->window_pkt_transmitted);
 
     // 2. Переходим к следующему слоту
     link->win_ptr = (link->win_ptr + 1) % 32;

tools/proxy/udp_proxy.c

@@ -27,6 +27,8 @@ typedef struct {
     socket_t listen_sock;
     void* listen_id;
     struct sockaddr_in target_addr;
+    char listen_ip[64];
+    int listen_port;
     int loss_forward;
     int loss_back;
     int delay_min_fwd;
@@ -146,9 +148,9 @@ static void backend_read_cb(socket_t sock, void* arg) {
 
 static void print_usage(const char* prog) {
     printf("UDP Proxy - network loss/delay emulator\n\n");
-    printf("Usage: %s --listen PORT --target IP:PORT [options]\n\n", prog);
+    printf("Usage: %s --listen [IP:]PORT --target IP:PORT [options]\n\n", prog);
     printf("Required:\n");
-    printf("  --listen PORT          Listen UDP port\n");
+    printf("  --listen [IP:]PORT     Listen IP:port (default 0.0.0.0)\n");
     printf("  --target IP:PORT       Destination IP:port\n\n");
     printf("Options:\n");
     printf("  --loss-forward N       Forward loss %% (0-100, default 0)\n");
@@ -156,7 +158,7 @@ static void print_usage(const char* prog) {
     printf("  --delay-forward A:B    Forward delay ms range (default 0:0)\n");
     printf("  --delay-back A:B       Backward delay ms range (default 0:0)\n");
     printf("  --help                 Show this help\n\n");
-    printf("Example: %s --listen 12345 --target 8.8.8.8:53 --loss-forward 5 --delay-forward 10:50\n", prog);
+    printf("Example: %s --listen 0.0.0.0:12345 --target 8.8.8.8:53 --loss-forward 5 --delay-forward 10:50\n", prog);
     exit(0);
 }
 
@@ -180,16 +182,24 @@ int main(int argc, char* argv[]) {
     for (int i = 1; i < argc; i++) {
         if (strcmp(argv[i], "--help") == 0) print_usage(argv[0]);
         if (strcmp(argv[i], "--listen") == 0 && i+1 < argc) {
-            int p = atoi(argv[++i]);
+            char ip[64] = "0.0.0.0"; int p = 0;
+            const char* val = argv[++i];
+            if (strchr(val, ':')) {
+                sscanf(val, "%63[^:]:%d", ip, &p);
+            } else {
+                p = atoi(val);
+            }
             struct sockaddr_in addr = {0};
             addr.sin_family = AF_INET;
             addr.sin_port = htons(p);
-            addr.sin_addr.s_addr = INADDR_ANY;
+            inet_aton(ip, &addr.sin_addr);
+            strncpy(ctx.listen_ip, ip, sizeof(ctx.listen_ip)-1);
+            ctx.listen_port = p;
             ctx.listen_sock = socket_create_udp(AF_INET);
             socket_set_nonblocking(ctx.listen_sock);
             socket_set_reuseaddr(ctx.listen_sock, 1);
             if (bind((int)ctx.listen_sock, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
-                DEBUG_ERROR(DEBUG_CATEGORY_SOCKET, "bind failed");
+                DEBUG_ERROR(DEBUG_CATEGORY_SOCKET, "bind listen failed on %s:%d", ip, p);
                 return 1;
             }
             ctx.listen_id = uasync_add_socket_t(ctx.ua, ctx.listen_sock, client_read_cb, NULL, NULL, &ctx);
@@ -218,8 +228,8 @@ int main(int argc, char* argv[]) {
         print_usage(argv[0]);
     }
     
-    printf("UDP Proxy: listen :%d → %s:%d | loss %d%%/%d%% | delay %d-%d/%d-%d ms\n",
-           ntohs(((struct sockaddr_in){0}).sin_port), // fix later
+    printf("UDP Proxy: listen %s:%d → %s:%d | loss %d%%/%d%% | delay %d-%d/%d-%d ms\n",
+           ctx.listen_ip, ctx.listen_port,
            inet_ntoa(ctx.target_addr.sin_addr), ntohs(ctx.target_addr.sin_port),
            ctx.loss_forward, ctx.loss_back,
            ctx.delay_min_fwd, ctx.delay_max_fwd, ctx.delay_min_back, ctx.delay_max_back);