Session layer improvements

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

diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index 8d87c06..7d924c1 100644 (file)
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -28,6 +28,35 @@ typedef enum _session_api_proto
   SESSION_PROTO_UDP
 } session_api_proto_t;
 
+typedef struct _vnet_app_attach_args_t
+{
+  /** Binary API client index */
+  u32 api_client_index;
+
+  /** Application and segment manager options */
+  u64 *options;
+
+  /** Session to application callback functions */
+  session_cb_vft_t *session_cb_vft;
+
+  /** Flag that indicates if app is builtin */
+  u8 builtin;
+
+  /*
+   * Results
+   */
+  u8 *segment_name;
+  u32 segment_name_length;
+  u32 segment_size;
+  u64 app_event_queue_address;
+  u32 app_index;
+} vnet_app_attach_args_t;
+
+typedef struct _vnet_app_detach_args_t
+{
+  u32 app_index;
+} vnet_app_detach_args_t;
+
 typedef struct _vnet_bind_args_t
 {
   union
@@ -40,9 +69,7 @@ typedef struct _vnet_bind_args_t
     };
   };
 
-  u32 api_client_index;
-  u64 *options;
-  session_cb_vft_t *session_cb_vft;
+  u32 app_index;
 
   /*
    * Results
@@ -60,7 +87,7 @@ typedef struct _vnet_unbind_args_t
     char *uri;
     u64 handle;
   };
-  u32 api_client_index;
+  u32 app_index;
 } vnet_unbind_args_t;
 
 typedef struct _vnet_connect_args
@@ -74,10 +101,8 @@ typedef struct _vnet_connect_args
       session_api_proto_t proto;
     };
   };
-  u32 api_client_index;
+  u32 app_index;
   u32 api_context;
-  u64 *options;
-  session_cb_vft_t *session_cb_vft;
 
   /* Used for redirects */
   void *mp;
@@ -86,40 +111,60 @@ typedef struct _vnet_connect_args
 typedef struct _vnet_disconnect_args_t
 {
   u64 handle;
-  u32 api_client_index;
+  u32 app_index;
 } vnet_disconnect_args_t;
 
-/* Bind / connect options */
+/* Application attach options */
 typedef enum
 {
-  SESSION_OPTIONS_FLAGS,
+  APP_EVT_QUEUE_SIZE,
+  APP_OPTIONS_FLAGS,
   SESSION_OPTIONS_SEGMENT_SIZE,
   SESSION_OPTIONS_ADD_SEGMENT_SIZE,
   SESSION_OPTIONS_RX_FIFO_SIZE,
   SESSION_OPTIONS_TX_FIFO_SIZE,
   SESSION_OPTIONS_ACCEPT_COOKIE,
   SESSION_OPTIONS_N_OPTIONS
-} session_options_index_t;
+} app_attach_options_index_t;
+
+#define foreach_app_options_flags                              \
+  _(USE_FIFO, "Use FIFO with redirects")                       \
+  _(ADD_SEGMENT, "Add segment and signal app if needed")       \
+  _(BUILTIN_APP, "Application is builtin")                     \
 
-/** Server can handle delegated connect requests from local clients */
-#define SESSION_OPTIONS_FLAGS_USE_FIFO (1<<0)
+typedef enum _app_options
+{
+#define _(sym, str) APP_OPTIONS_##sym,
+  foreach_app_options_flags
+#undef _
+} app_options_t;
 
-/** Server wants vpp to add segments when out of memory for fifos */
-#define SESSION_OPTIONS_FLAGS_ADD_SEGMENT   (1<<1)
+typedef enum _app_options_flags
+{
+#define _(sym, str) APP_OPTIONS_FLAGS_##sym = 1 << APP_OPTIONS_##sym,
+  foreach_app_options_flags
+#undef _
+} app_options_flags_t;
+
+///** Server can handle delegated connect requests from local clients */
+//#define APP_OPTIONS_FLAGS_USE_FIFO    (1<<0)
+//
+///** Server wants vpp to add segments when out of memory for fifos */
+//#define APP_OPTIONS_FLAGS_ADD_SEGMENT   (1<<1)
 
 #define VNET_CONNECT_REDIRECTED        123
 
+int vnet_application_attach (vnet_app_attach_args_t * a);
+int vnet_application_detach (vnet_app_detach_args_t * a);
+
 int vnet_bind_uri (vnet_bind_args_t *);
-int vnet_unbind_uri (char *uri, u32 api_client_index);
+int vnet_unbind_uri (vnet_unbind_args_t * a);
 int vnet_connect_uri (vnet_connect_args_t * a);
-int
-vnet_disconnect_session (u32 client_index, u32 session_index,
-                        u32 thread_index);
+int vnet_disconnect_session (vnet_disconnect_args_t * a);
 
 int vnet_bind (vnet_bind_args_t * a);
 int vnet_connect (vnet_connect_args_t * a);
 int vnet_unbind (vnet_unbind_args_t * a);
-int vnet_disconnect (vnet_disconnect_args_t * a);
 
 int
 api_parse_session_handle (u64 handle, u32 * session_index,