+typedef struct local_session_
+{
+ /** fifo pointers. Once allocated, these do not move */
+ svm_fifo_t *server_rx_fifo;
+ svm_fifo_t *server_tx_fifo;
+
+ /** Type */
+ session_type_t session_type;
+
+ /** State */
+ volatile u8 session_state;
+
+ /** Session index */
+ u32 session_index;
+
+ /** Server index */
+ u32 app_wrk_index;
+
+ /** Port for connection. Overlaps thread_index/enqueue_epoch */
+ u16 port;
+
+ /** Partly overlaps enqueue_epoch */
+ u8 pad_epoch[7];
+
+ /** Segment index where fifos were allocated */
+ u32 svm_segment_index;
+
+ /** Transport listener index. Overlaps connection index */
+ u32 transport_listener_index;
+
+ union
+ {
+ u32 listener_index;
+ u32 app_index;
+ };
+
+ u32 listener_db_index;
+
+ /** Has transport embedded when listener not purely local */
+ session_type_t listener_session_type;
+
+ /**
+ * Client data
+ */
+ u32 client_wrk_index;
+ u32 client_opaque;
+
+ u64 server_evt_q;
+ u64 client_evt_q;
+
+ CLIB_CACHE_LINE_ALIGN_MARK (pad);
+} local_session_t;
+
+#define foreach_session_endpoint_fields \
+ foreach_transport_endpoint_cfg_fields \
+ _(u8, transport_proto) \
+
+typedef struct _session_endpoint
+{
+#define _(type, name) type name;
+ foreach_session_endpoint_fields
+#undef _
+} session_endpoint_t;
+
+typedef struct _session_endpoint_cfg
+{
+#define _(type, name) type name;
+ foreach_session_endpoint_fields
+#undef _
+ u32 app_wrk_index;
+ u32 opaque;
+ u8 *hostname;
+} session_endpoint_cfg_t;
+
+#define SESSION_IP46_ZERO \
+{ \
+ .ip6 = { \
+ { 0, 0, }, \
+ }, \
+}
+
+#define TRANSPORT_ENDPOINT_NULL \
+{ \
+ .sw_if_index = ENDPOINT_INVALID_INDEX, \
+ .ip = SESSION_IP46_ZERO, \
+ .fib_index = ENDPOINT_INVALID_INDEX, \
+ .is_ip4 = 0, \
+ .port = 0, \
+}
+#define SESSION_ENDPOINT_NULL \
+{ \
+ .sw_if_index = ENDPOINT_INVALID_INDEX, \
+ .ip = SESSION_IP46_ZERO, \
+ .fib_index = ENDPOINT_INVALID_INDEX, \
+ .is_ip4 = 0, \
+ .port = 0, \
+ .peer = TRANSPORT_ENDPOINT_NULL, \
+ .transport_proto = 0, \
+}
+#define SESSION_ENDPOINT_CFG_NULL \
+{ \
+ .sw_if_index = ENDPOINT_INVALID_INDEX, \
+ .ip = SESSION_IP46_ZERO, \
+ .fib_index = ENDPOINT_INVALID_INDEX, \
+ .is_ip4 = 0, \
+ .port = 0, \
+ .peer = TRANSPORT_ENDPOINT_NULL, \
+ .transport_proto = 0, \
+ .app_wrk_index = ENDPOINT_INVALID_INDEX, \
+ .opaque = ENDPOINT_INVALID_INDEX, \
+ .hostname = 0, \
+}
+
+#define session_endpoint_to_transport(_sep) ((transport_endpoint_t *)_sep)
+#define session_endpoint_to_transport_cfg(_sep) \
+ ((transport_endpoint_cfg_t *)_sep)
+
+always_inline u8
+session_endpoint_fib_proto (session_endpoint_t * sep)
+{
+ return sep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
+}
+