vcl/session: add api for changing session app worker

[vpp.git] / src / vnet / session / session.h

diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index 35c8fb4..cf1b3e9 100644 (file)
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -36,6 +36,7 @@ typedef enum
   SESSION_IO_EVT_CT_RX,
   FIFO_EVENT_APP_TX,
   SESSION_IO_EVT_CT_TX,
+  SESSION_IO_EVT_TX_FLUSH,
   FIFO_EVENT_DISCONNECT,
   FIFO_EVENT_BUILTIN_RX,
   FIFO_EVENT_BUILTIN_TX,
@@ -48,7 +49,10 @@ typedef enum
   SESSION_CTRL_EVT_DISCONNECTED,
   SESSION_CTRL_EVT_DISCONNECTED_REPLY,
   SESSION_CTRL_EVT_RESET,
-  SESSION_CTRL_EVT_RESET_REPLY
+  SESSION_CTRL_EVT_RESET_REPLY,
+  SESSION_CTRL_EVT_REQ_WORKER_UPDATE,
+  SESSION_CTRL_EVT_WORKER_UPDATE,
+  SESSION_CTRL_EVT_WORKER_UPDATE_REPLY,
 } session_evt_type_t;
 
 static inline const char *
@@ -441,6 +445,14 @@ session_type_from_proto_and_ip (transport_proto_t proto, u8 is_ip4)
   return (proto << 1 | is_ip4);
 }
 
+always_inline u64
+session_segment_handle (stream_session_t * s)
+{
+  svm_fifo_t *f = s->server_rx_fifo;
+  return segment_manager_make_segment_handle (f->segment_manager,
+                                             f->segment_index);
+}
+
 always_inline u8
 session_has_transport (stream_session_t * s)
 {
@@ -510,6 +522,13 @@ transport_max_rx_enqueue (transport_connection_t * tc)
   return svm_fifo_max_enqueue (s->server_rx_fifo);
 }
 
+always_inline u32
+transport_max_tx_dequeue (transport_connection_t * tc)
+{
+  stream_session_t *s = session_get (tc->s_index, tc->thread_index);
+  return svm_fifo_max_dequeue (s->server_tx_fifo);
+}
+
 always_inline u32
 transport_rx_fifo_size (transport_connection_t * tc)
 {
@@ -563,7 +582,7 @@ session_clone_safe (u32 session_index, u32 thread_index)
   session_pool_add_peeker (thread_index);
   new_s = session_alloc (current_thread_index);
   old_s = session_manager_main.wrk[thread_index].sessions + session_index;
-  clib_memcpy (new_s, old_s, sizeof (*new_s));
+  clib_memcpy_fast (new_s, old_s, sizeof (*new_s));
   session_pool_remove_peeker (thread_index);
   new_s->thread_index = current_thread_index;
   new_s->session_index = session_get_index (new_s);
@@ -594,18 +613,19 @@ int session_dequeue_notify (stream_session_t * s);
 void stream_session_init_fifos_pointers (transport_connection_t * tc,
                                         u32 rx_pointer, u32 tx_pointer);
 
-void stream_session_accept_notify (transport_connection_t * tc);
-void stream_session_disconnect_notify (transport_connection_t * tc);
-void stream_session_delete_notify (transport_connection_t * tc);
-void stream_session_reset_notify (transport_connection_t * tc);
+int stream_session_accept_notify (transport_connection_t * tc);
+void session_transport_closing_notify (transport_connection_t * tc);
+void session_transport_delete_notify (transport_connection_t * tc);
+void session_transport_closed_notify (transport_connection_t * tc);
+void session_transport_reset_notify (transport_connection_t * tc);
 int stream_session_accept (transport_connection_t * tc, u32 listener_index,
                           u8 notify);
 int session_open (u32 app_index, session_endpoint_t * tep, u32 opaque);
 int session_listen (stream_session_t * s, session_endpoint_cfg_t * sep);
 int session_stop_listen (stream_session_t * s);
-void stream_session_disconnect (stream_session_t * s);
-void stream_session_disconnect_transport (stream_session_t * s);
-void stream_session_cleanup (stream_session_t * s);
+void session_close (stream_session_t * s);
+void session_transport_close (stream_session_t * s);
+void session_transport_cleanup (stream_session_t * s);
 int session_send_io_evt_to_thread (svm_fifo_t * f,
                                   session_evt_type_t evt_type);
 int session_send_io_evt_to_thread_custom (void *data, u32 thread_index,