diff options
Diffstat (limited to 'src/vnet/session/session.h')
| -rw-r--r-- | src/vnet/session/session.h | 164 |
1 files changed, 21 insertions, 143 deletions
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h index 6c6163260f8..bb22f100529 100644 --- a/src/vnet/session/session.h +++ b/src/vnet/session/session.h @@ -15,7 +15,9 @@ #ifndef __included_session_h__ #define __included_session_h__ -#include <vnet/session/transport.h> +#include <vnet/session/stream_session.h> +#include <vnet/session/session_lookup.h> +#include <vnet/session/transport_interface.h> #include <vlibmemory/unix_shared_memory_queue.h> #include <vnet/session/session_debug.h> #include <vnet/session/segment_manager.h> @@ -66,37 +68,6 @@ typedef enum SESSION_QUEUE_N_NEXT, } session_queue_next_t; -#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; - - -session_type_t -session_type_from_proto_and_ip (transport_proto_t proto, u8 is_ip4); - -/* - * Application session state - */ -typedef enum -{ - SESSION_STATE_LISTENING, - SESSION_STATE_CONNECTING, - SESSION_STATE_ACCEPTING, - SESSION_STATE_READY, - SESSION_STATE_CLOSED, - SESSION_STATE_N_STATES, -} stream_session_state_t; - typedef struct { void *fp; @@ -116,48 +87,6 @@ typedef CLIB_PACKED (struct { }) session_fifo_event_t; /* *INDENT-ON* */ -typedef struct _stream_session_t -{ - /** fifo pointers. Once allocated, these do not move */ - svm_fifo_t *server_rx_fifo; - svm_fifo_t *server_tx_fifo; - - /** Type */ - u8 session_type; - - /** State */ - u8 session_state; - - 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; - - /** Application specific */ - u32 pid; - - /** stream server pool index */ - u32 app_index; - - /** Parent listener session if the result of an accept */ - u32 listener_index; - - /** Opaque, pad to a 64-octet boundary */ - u64 opaque[2]; -} stream_session_t; - /* Forward definition */ typedef struct _session_manager_main session_manager_main_t; @@ -174,14 +103,6 @@ u8 session_node_lookup_fifo_event (svm_fifo_t * f, session_fifo_event_t * e); struct _session_manager_main { - /** Lookup tables for established sessions and listeners */ - clib_bihash_16_8_t v4_session_hash; - clib_bihash_48_8_t v6_session_hash; - - /** Lookup tables for half-open sessions */ - clib_bihash_16_8_t v4_half_open_hash; - clib_bihash_48_8_t v6_half_open_hash; - /** Per worker thread session pools */ stream_session_t **sessions; @@ -224,10 +145,6 @@ struct _session_manager_main /** Preallocate session config parameter */ u32 preallocated_sessions; - /* Convenience */ - vlib_main_t *vlib_main; - vnet_main_t *vnet_main; - #if SESSION_DBG /** * last event poll time by thread @@ -250,60 +167,6 @@ vnet_get_session_manager_main () return &session_manager_main; } -/* - * Stream session functions - */ - -stream_session_t *stream_session_lookup_listener4 (ip4_address_t * lcl, - u16 lcl_port, u8 proto); -stream_session_t *stream_session_lookup4 (ip4_address_t * lcl, - ip4_address_t * rmt, u16 lcl_port, - u16 rmt_port, u8 proto); -stream_session_t *stream_session_lookup_listener6 (ip6_address_t * lcl, - u16 lcl_port, u8 proto); -stream_session_t *stream_session_lookup6 (ip6_address_t * lcl, - ip6_address_t * rmt, u16 lcl_port, - u16 rmt_port, u8 proto); -transport_connection_t - * stream_session_lookup_transport_wt4 (ip4_address_t * lcl, - ip4_address_t * rmt, u16 lcl_port, - u16 rmt_port, u8 proto, - u32 thread_index); -transport_connection_t *stream_session_lookup_transport4 (ip4_address_t * lcl, - ip4_address_t * rmt, - u16 lcl_port, - u16 rmt_port, - u8 proto); -transport_connection_t *stream_session_lookup_transport_wt6 (ip6_address_t * - lcl, - ip6_address_t * - rmt, - u16 lcl_port, - u16 rmt_port, - u8 proto, - u32 - thread_index); -transport_connection_t *stream_session_lookup_transport6 (ip6_address_t * lcl, - ip6_address_t * rmt, - u16 lcl_port, - u16 rmt_port, - u8 proto); - -stream_session_t *stream_session_lookup_listener (ip46_address_t * lcl, - u16 lcl_port, u8 proto); -transport_connection_t - * stream_session_lookup_half_open (transport_connection_t * tc); -void stream_session_table_add_for_tc (transport_connection_t * tc, u64 value); -int stream_session_table_del_for_tc (transport_connection_t * tc); - -always_inline stream_session_t * -stream_session_get_tsi (u64 ti_and_si, u32 thread_index) -{ - ASSERT ((u32) (ti_and_si >> 32) == thread_index); - return pool_elt_at_index (session_manager_main.sessions[thread_index], - ti_and_si & 0xFFFFFFFFULL); -} - always_inline u8 stream_session_is_valid (u32 si, u8 thread_index) { @@ -445,9 +308,6 @@ send_session_connected_callback (u32 app_index, u32 api_context, stream_session_t * s, u8 is_fail); -void session_register_transport (u8 type, const transport_proto_vft_t * vft); -transport_proto_vft_t *session_get_transport_vft (u8 type); - clib_error_t *vnet_session_enable_disable (vlib_main_t * vm, u8 is_en); always_inline unix_shared_memory_queue_t * @@ -510,6 +370,24 @@ listen_session_del (stream_session_t * s) pool_put (session_manager_main.listen_sessions[s->session_type], s); } +always_inline stream_session_t * +session_manager_get_listener (u8 type, u32 index) +{ + return pool_elt_at_index (session_manager_main.listen_sessions[type], + index); +} + +always_inline void +session_manager_set_transport_rx_fn (u8 type, u8 is_peek) +{ + /* If an offset function is provided, then peek instead of dequeue */ + session_manager_main.session_tx_fns[type] = (is_peek) ? + session_tx_fifo_peek_and_snd : session_tx_fifo_dequeue_and_snd; +} + +session_type_t +session_type_from_proto_and_ip (transport_proto_t proto, u8 is_ip4); + always_inline u8 session_manager_is_enabled () { |