#ifndef SRC_VNET_SESSION_STREAM_SESSION_H_
#define SRC_VNET_SESSION_STREAM_SESSION_H_
-#include <vnet/vnet.h>
#include <svm/svm_fifo.h>
+#include <vnet/session/transport.h>
-#define foreach_session_type \
- _(IP4_TCP, ip4_tcp) \
- _(IP4_UDP, ip4_udp) \
- _(IP6_TCP, ip6_tcp) \
- _(IP6_UDP, ip6_udp)
-
-typedef enum
-{
-#define _(A, a) SESSION_TYPE_##A,
- foreach_session_type
-#undef _
- SESSION_N_TYPES,
-} session_type_t;
+typedef u8 session_type_t;
/*
* Application session state
SESSION_STATE_CONNECTING,
SESSION_STATE_ACCEPTING,
SESSION_STATE_READY,
+ SESSION_STATE_OPENED,
+ SESSION_STATE_CLOSING,
SESSION_STATE_CLOSED,
SESSION_STATE_N_STATES,
} stream_session_state_t;
+typedef struct generic_session_
+{
+ svm_fifo_t *rx_fifo; /**< rx fifo */
+ svm_fifo_t *tx_fifo; /**< tx fifo */
+ session_type_t session_type; /**< session type */
+ volatile u8 session_state; /**< session state */
+ u32 session_index; /**< index in owning pool */
+} generic_session_t;
+
typedef struct _stream_session_t
{
/** fifo pointers. Once allocated, these do not move */
svm_fifo_t *server_tx_fifo;
/** Type */
- u8 session_type;
+ session_type_t session_type;
/** State */
- u8 session_state;
+ volatile u8 session_state;
+
+ /** Session index in per_thread pool */
+ u32 session_index;
+
+ /** app worker pool index */
+ u32 app_wrk_index;
u8 thread_index;
/** To avoid n**2 "one event per frame" check */
u8 enqueue_epoch;
- /** Pad to a multiple of 8 octets */
- u8 align_pad[4];
-
/** svm segment index where fifos were allocated */
u32 svm_segment_index;
- /** Session index in per_thread pool */
- u32 session_index;
-
/** Transport specific */
u32 connection_index;
- /** stream server pool index */
- u32 app_index;
+ union
+ {
+ /** Parent listener session if the result of an accept */
+ u32 listener_index;
+ /** Opaque, for general use */
+ u32 opaque;
+ };
+
+ CLIB_CACHE_LINE_ALIGN_MARK (pad);
+} stream_session_t;
+
+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;
+
+ /** Segment index where fifos were allocated */
+ u32 svm_segment_index;
- /** Parent listener session if the result of an accept */
u32 listener_index;
- u32 opaque2;
+ /** Port for connection */
+ u16 port;
- /** Opaque, pad to a 64-octet boundary */
- u64 opaque[2];
-} stream_session_t;
+ /** Has transport embedded when listener not purely local */
+ session_type_t listener_session_type;
+ u32 transport_listener_index;
+
+ /**
+ * 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_connection_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_extended
+{
+#define _(type, name) type name;
+ foreach_session_endpoint_fields
+#undef _
+ u32 app_wrk_index;
+ u32 opaque;
+ u8 *hostname;
+} session_endpoint_extended_t;
+
+#define SESSION_IP46_ZERO \
+{ \
+ .ip6 = { \
+ { 0, 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, \
+ .transport_proto = 0, \
+}
+#define SESSION_ENDPOINT_EXT_NULL \
+{ \
+ .sw_if_index = ENDPOINT_INVALID_INDEX, \
+ .ip = SESSION_IP46_ZERO, \
+ .fib_index = ENDPOINT_INVALID_INDEX, \
+ .is_ip4 = 0, \
+ .port = 0, \
+ .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)
+
+always_inline u8
+session_endpoint_fib_proto (session_endpoint_t * sep)
+{
+ return sep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
+}
#endif /* SRC_VNET_SESSION_STREAM_SESSION_H_ */