+++ /dev/null
-/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef SRC_VNET_SESSION_STREAM_SESSION_H_
-#define SRC_VNET_SESSION_STREAM_SESSION_H_
-
-#include <svm/svm_fifo.h>
-#include <vnet/session/transport.h>
-
-typedef u8 session_type_t;
-
-/*
- * Application session state
- */
-typedef enum
-{
- SESSION_STATE_LISTENING,
- SESSION_STATE_CONNECTING,
- SESSION_STATE_ACCEPTING,
- SESSION_STATE_READY,
- SESSION_STATE_OPENED,
- SESSION_STATE_TRANSPORT_CLOSING,
- SESSION_STATE_CLOSING,
- SESSION_STATE_CLOSED_WAITING,
- SESSION_STATE_TRANSPORT_CLOSED,
- 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_rx_fifo;
- svm_fifo_t *server_tx_fifo;
-
- /** Type */
- session_type_t session_type;
-
- /** 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 */
- u64 enqueue_epoch;
-
- /** svm segment index where fifos were allocated */
- u32 svm_segment_index;
-
- /** Transport specific */
- u32 connection_index;
-
- union
- {
- /** Parent listener session if the result of an accept */
- u32 listener_index;
-
- /** Application index if a listener */
- u32 app_index;
- };
-
- union
- {
- /** Transport app index for apps acting as transports */
- u32 t_app_index;
-
- /** Index in listener app's listener db */
- u32 listener_db_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;
-
- /** 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;
-}
-
-#endif /* SRC_VNET_SESSION_STREAM_SESSION_H_ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff