keepalive handshake: device_type + keepalive negotiation in UDP/TCP INIT

- Добавлен device_type (1 байт, CLIENT_TYPE_*) в INIT_REQUEST и INIT_RESPONSE
- Добавлен keepalive_interval (2 байта) в INIT_RESPONSE
- STCP handshake расширен с 43 до 46 байт (device_type+keepalive)
- negotiate_keepalive(): оба desktop/server → min, иначе (есть mobile) → max
- keepalive_interval вынесен в UTUN_INSTANCE для использования в handshake
- stcp_client_connect() принимает device_type и keepalive_interval
- peer_device_type/peer_keepalive_interval передаются через stcp_link в ETCP_LINK
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evgeny committed 2026-08-11 11:16:27 +03:00
1 parent 43aca4a41b
commit 0f1bd3d120
37 files changed
+535 -309

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@@ -134,9 +134,8 @@ struct UTUN_INSTANCE {
struct memory_pool* pkt_pool;
struct memory_pool* ack_pool;
// Active sockets (UDP)
struct ETCP_SOCKET* etcp_sockets;// linked-list (UDP + TCP is_tcp=1)
struct ETCP_SOCKET* tcp_sockets; // linked-list (TCP, filtered by is_tcp=1)
// Active sockets (UDP + TCP, is_tcp=1 flag)
struct ETCP_SOCKET* etcp_sockets;// linked-list (UDP + TCP)
struct stcp_server *stcp_servers; // TCP servers linked list (via stcp_link.c)
void* socket_monitor; // SOCKET_MONITOR* (opaque, transport_layer/socket_monitor.c)
void* auto_socket_state; // AUTO_SOCKET* (opaque, transport_layer/auto_socket.c)
@@ -187,6 +186,7 @@ struct UTUN_INSTANCE {
struct broadcast_ctx* broadcast; // Broadcast protocol instance handler (ETCP_ID_BROADCAST dispatcher)
uint8_t client_type; // CLIENT_TYPE_SERVER/DESKTOP/MOBILE (from config)
uint16_t keepalive_interval; // желаемый keepalive (ms), из конфига. для handshake
uint8_t client_activity; // CLIENT_ACTIVITY_STANDBY/ACTIVE
void* client_activity_timer; // uasync timer handle for inactivity timeout