vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2018-12-17	Added CMake building system for libmemif	msardara	2	-0/+118

/* * http_static.h - skeleton vpp engine plug-in header file * * Copyright (c) <current-year> <your-organization> * 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/vnet.h> #include <vnet/session/application.h> #include <vnet/session/application_interface.h> #include <vnet/session/session.h> #include <vnet/ip/ip.h> #include <vnet/ethernet/ethernet.h> #include <vppinfra/hash.h> #include <vppinfra/error.h> #include <vppinfra/time_range.h> #include <vppinfra/tw_timer_2t_1w_2048sl.h> #include <vppinfra/bihash_vec8_8.h> /** @file Static http server definitions */ typedef struct { /* API message ID base */ u16 msg_id_base; /* convenience */ vlib_main_t *vlib_main; vnet_main_t *vnet_main; } http_static_main_t; extern http_static_main_t http_static_main; /** \brief Session States */ typedef enum { /** Session is closed */ HTTP_STATE_CLOSED, /** Session is established */ HTTP_STATE_ESTABLISHED, /** Session has sent an OK response */ HTTP_STATE_OK_SENT, /** Session has sent an HTML response */ HTTP_STATE_SEND_MORE_DATA, /** Number of states */ HTTP_STATE_N_STATES, } http_session_state_t; typedef enum { CALLED_FROM_RX, CALLED_FROM_TX, CALLED_FROM_TIMER, } http_state_machine_called_from_t; typedef enum { HTTP_BUILTIN_METHOD_GET = 0, HTTP_BUILTIN_METHOD_POST, } http_builtin_method_type_t; /** \brief Application session */ typedef struct { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /** Base class instance variables */ #define _(type, name) type name; foreach_app_session_field #undef _ /** rx thread index */ u32 thread_index; /** rx buffer */ u8 *rx_buf; /** vpp session index, handle */ u32 vpp_session_index; u64 vpp_session_handle; /** Timeout timer handle */ u32 timer_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; /** state machine called from... */ http_state_machine_called_from_t called_from; } http_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; } file_data_cache_t; /** \brief Main data structure */ typedef struct { /** Per thread vector of session pools */ http_session_t **sessions; /** Session pool reader writer lock */ clib_rwlock_t sessions_lock; /** vpp session to http session index map */ u32 **session_to_http_session; /** Enable debug messages */ int debug_level; /** vpp message/event queue */ svm_msg_q_t **vpp_queue; /** Unified file data cache pool */ file_data_cache_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; /** Server's event queue */ svm_queue_t *vl_input_queue; /** API client handle */ u32 my_client_index; /** Application index */ u32 app_index; /** Process node index for event scheduling */ u32 node_index; /** Session cleanup timer wheel */ tw_timer_wheel_2t_1w_2048sl_t tw; clib_spinlock_t tw_lock; /** Time base, so we can generate browser cache control http spew */ clib_timebase_t timebase; /** Number of preallocated fifos, usually 0 */ u32 prealloc_fifos; /** Private segment size, usually 0 */ u32 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; vlib_main_t *vlib_main; } http_static_server_main_t; extern http_static_server_main_t http_static_server_main; int http_static_server_enable_api (u32 fifo_size, u32 cache_limit, u32 prealloc_fifos, u32 private_segment_size, u8 * www_root, u8 * uri); void http_static_server_register_builtin_handler (void *fp, char *url, int type); #endif /* __included_http_static_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */