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/*
* Copyright (c) 2017-2022 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 __included_http_static_h__
#define __included_http_static_h__
#include <vnet/session/application_interface.h>
#include <vnet/session/session.h>
#include <http/http.h>
#include <vppinfra/hash.h>
#include <vppinfra/error.h>
#include <vppinfra/bihash_vec8_8.h>
/** @file http_static.h
* Static http server definitions
*/
/** \brief Application session
*/
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
u32 session_index;
/** rx thread index */
u32 thread_index;
/** vpp session index, handle */
u32 vpp_session_index;
session_handle_t vpp_session_handle;
/** Fully-resolved file path */
u8 *path;
/** File data, a vector */
u8 *data;
/** Current data send offset */
u32 data_offset;
/** Need to free data in detach_cache_entry */
int free_data;
/** File cache pool index */
u32 cache_pool_index;
} hss_session_t;
/** \brief In-memory file data cache entry
*/
typedef struct
{
/** Name of the file */
u8 *filename;
/** Contents of the file, as a u8 * vector */
u8 *data;
/** Last time the cache entry was used */
f64 last_used;
/** Cache LRU links */
u32 next_index;
u32 prev_index;
/** Reference count, so we don't recycle while referenced */
int inuse;
} hss_cache_entry_t;
typedef int (*hss_url_handler_t) (http_req_method_t, u8 *, hss_session_t *);
/** \brief Main data structure
*/
typedef struct
{
/** Per thread vector of session pools */
hss_session_t **sessions;
/** Session pool reader writer lock */
clib_spinlock_t cache_lock;
/** Unified file data cache pool */
hss_cache_entry_t *cache_pool;
/** Hash table which maps file name to file data */
BVT (clib_bihash) name_to_data;
/** Hash tables for built-in GET and POST handlers */
uword *get_url_handlers;
uword *post_url_handlers;
/** Current cache size */
u64 cache_size;
/** Max cache size in bytes */
u64 cache_limit;
/** Number of cache evictions */
u64 cache_evictions;
/** Cache LRU listheads */
u32 first_index;
u32 last_index;
/** root path to be served */
u8 *www_root;
/** Application index */
u32 app_index;
/** Cert and key pair for tls */
u32 ckpair_index;
/* API message ID base */
u16 msg_id_base;
vlib_main_t *vlib_main;
/*
* Config
*/
/** Enable debug messages */
int debug_level;
/** Number of preallocated fifos, usually 0 */
u32 prealloc_fifos;
/** Private segment size, usually 0 */
u64 private_segment_size;
/** Size of the allocated rx, tx fifos, roughly 8K or so */
u32 fifo_size;
/** The bind URI, defaults to tcp://0.0.0.0/80 */
u8 *uri;
/** Threshold for switching to ptr data in http msgs */
u32 use_ptr_thresh;
/** Enable the use of builtinurls */
u8 enable_url_handlers;
} hss_main_t;
extern hss_main_t hss_main;
int hss_create (vlib_main_t *vm);
/**
* Register a GET or POST URL handler
*/
void hss_register_url_handler (hss_url_handler_t fp, const char *url,
http_req_method_t type);
void hss_builtinurl_json_handlers_init (void);
#endif /* __included_http_static_h__ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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