#define HALF_OPEN_LOOKUP_INVALID_VALUE ((u64)~0)
#define INVALID_INDEX ((u32)~0)
#define SESSION_PROXY_LISTENER_INDEX ((u32)~0 - 1)
+#define SESSION_LOCAL_HANDLE_PREFIX 0x7FFFFFFF
/* TODO decide how much since we have pre-data as well */
#define MAX_HDRS_LEN 100 /* Max number of bytes for headers */
void *arg;
} rpc_args_t;
+typedef u64 session_handle_t;
+
/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
union
{
svm_fifo_t * fifo;
- u64 session_handle;
+ session_handle_t session_handle;
rpc_args_t rpc_args;
};
u8 event_type;
extern session_fifo_rx_fn session_tx_fifo_peek_and_snd;
extern session_fifo_rx_fn session_tx_fifo_dequeue_and_snd;
+extern session_fifo_rx_fn session_tx_fifo_dequeue_internal;
u8 session_node_lookup_fifo_event (svm_fifo_t * f, session_fifo_event_t * e);
}
stream_session_t *session_alloc (u32 thread_index);
+int session_alloc_fifos (segment_manager_t * sm, stream_session_t * s);
+void session_free (stream_session_t * s);
always_inline stream_session_t *
session_get (u32 si, u32 thread_index)
return pool_elt_at_index (session_manager_main.sessions[thread_index], si);
}
-always_inline u64
+always_inline session_handle_t
session_handle (stream_session_t * s)
{
return ((u64) s->thread_index << 32) | (u64) s->session_index;
}
always_inline u32
-session_index_from_handle (u64 handle)
+session_index_from_handle (session_handle_t handle)
{
return handle & 0xFFFFFFFF;
}
always_inline u32
-session_thread_from_handle (u64 handle)
+session_thread_from_handle (session_handle_t handle)
{
return handle >> 32;
}
always_inline void
-session_parse_handle (u64 handle, u32 * index, u32 * thread_index)
+session_parse_handle (session_handle_t handle, u32 * index,
+ u32 * thread_index)
{
*index = session_index_from_handle (handle);
*thread_index = session_thread_from_handle (handle);
}
always_inline stream_session_t *
-session_get_from_handle (u64 handle)
+session_get_from_handle (session_handle_t handle)
{
session_manager_main_t *smm = &session_manager_main;
- return
- pool_elt_at_index (smm->sessions[session_thread_from_handle (handle)],
- session_index_from_handle (handle));
+ u32 session_index, thread_index;
+ session_parse_handle (handle, &session_index, &thread_index);
+ return pool_elt_at_index (smm->sessions[thread_index], session_index);
+}
+
+always_inline stream_session_t *
+session_get_from_handle_if_valid (session_handle_t handle)
+{
+ u32 session_index, thread_index;
+ session_parse_handle (handle, &session_index, &thread_index);
+ return session_get_if_valid (session_index, thread_index);
+}
+
+always_inline u8
+session_handle_is_local (session_handle_t handle)
+{
+ if ((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX)
+ return 1;
+ return 0;
+}
+
+always_inline transport_proto_t
+session_type_transport_proto (session_type_t st)
+{
+ return (st >> 1);
+}
+
+always_inline u8
+session_type_is_ip4 (session_type_t st)
+{
+ return (st & 1);
}
always_inline transport_proto_t
return (s->session_type >> 1);
}
+always_inline fib_protocol_t
+session_get_fib_proto (stream_session_t * s)
+{
+ u8 is_ip4 = s->session_type & 1;
+ return (is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6);
+}
+
always_inline session_type_t
session_type_from_proto_and_ip (transport_proto_t proto, u8 is_ip4)
{
return (proto << 1 | is_ip4);
}
+always_inline u8
+session_has_transport (stream_session_t * s)
+{
+ return (session_get_transport_proto (s) != TRANSPORT_PROTO_NONE);
+}
+
/**
* Acquires a lock that blocks a session pool from expanding.
*
u32 stream_session_tx_fifo_max_dequeue (transport_connection_t * tc);
-stream_session_t *session_alloc (u32 thread_index);
int
session_enqueue_stream_connection (transport_connection_t * tc,
vlib_buffer_t * b, u32 offset,
}
always_inline stream_session_t *
-listen_session_get_from_handle (u64 handle)
+listen_session_get_from_handle (session_handle_t handle)
{
session_manager_main_t *smm = &session_manager_main;
stream_session_t *s;
return s;
}
+always_inline void
+listen_session_parse_handle (session_handle_t handle, u32 * type, u32 * index)
+{
+ *type = handle >> 32;
+ *index = handle & 0xFFFFFFFF;
+}
+
always_inline stream_session_t *
listen_session_new (session_type_t type)
{
index);
}
-/**
- * Set peek or dequeue function for given session type
- *
- * Reliable transport protocols will probably want to use a peek function
- */
-always_inline void
-session_manager_set_transport_rx_fn (session_type_t type, u8 is_peek)
-{
- session_manager_main.session_tx_fns[type] = (is_peek) ?
- session_tx_fifo_peek_and_snd : session_tx_fifo_dequeue_and_snd;
-}
-
always_inline u8
session_manager_is_enabled ()
{