| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| #include "lua.h" |
| #include "lauxlib.h" |
| #include "lualib.h" |
| |
| #include "httpd.h" |
| |
| #include "apr_thread_rwlock.h" |
| #include "apr_strings.h" |
| #include "apr_tables.h" |
| #include "apr_hash.h" |
| #include "apr_buckets.h" |
| #include "apr_file_info.h" |
| #include "apr_time.h" |
| #include "apr_pools.h" |
| #include "apr_reslist.h" |
| |
| |
| #ifndef VMPREP_H |
| #define VMPREP_H |
| |
| #define AP_LUA_SCOPE_UNSET 0 |
| #define AP_LUA_SCOPE_ONCE 1 |
| #define AP_LUA_SCOPE_REQUEST 2 |
| #define AP_LUA_SCOPE_CONN 3 |
| #define AP_LUA_SCOPE_THREAD 4 |
| #define AP_LUA_SCOPE_SERVER 5 |
| |
| #define AP_LUA_CACHE_UNSET 0 |
| #define AP_LUA_CACHE_NEVER 1 |
| #define AP_LUA_CACHE_STAT 2 |
| #define AP_LUA_CACHE_FOREVER 3 |
| |
| #define AP_LUA_FILTER_INPUT 1 |
| #define AP_LUA_FILTER_OUTPUT 2 |
| |
| typedef void (*ap_lua_state_open_callback) (lua_State *L, apr_pool_t *p, |
| void *ctx); |
| /** |
| * Specification for a lua virtual machine |
| */ |
| typedef struct |
| { |
| /* NEED TO ADD ADDITIONAL PACKAGE PATHS AS PART OF SPEC INSTEAD OF DIR CONFIG */ |
| apr_array_header_t *package_paths; |
| apr_array_header_t *package_cpaths; |
| |
| /* name of base file to load in the vm */ |
| const char *file; |
| |
| /* APL_SCOPE_ONCE | APL_SCOPE_REQUEST | APL_SCOPE_CONN | APL_SCOPE_THREAD | APL_SCOPE_SERVER */ |
| int scope; |
| unsigned int vm_min; |
| unsigned int vm_max; |
| |
| ap_lua_state_open_callback cb; |
| void* cb_arg; |
| |
| /* pool to use for lifecycle if APL_SCOPE_ONCE is set, otherwise unused */ |
| apr_pool_t *pool; |
| |
| /* Pre-compiled Lua Byte code to load directly. If bytecode_len is >0, |
| * the file part of this structure is ignored for loading purposes, but |
| * it is used for error messages. |
| */ |
| const char *bytecode; |
| apr_size_t bytecode_len; |
| |
| int codecache; |
| } ap_lua_vm_spec; |
| |
| typedef struct |
| { |
| const char *function_name; |
| const char *file_name; |
| int scope; |
| ap_regex_t *uri_pattern; |
| const char *bytecode; |
| apr_size_t bytecode_len; |
| int codecache; |
| } ap_lua_mapped_handler_spec; |
| |
| typedef struct |
| { |
| const char *function_name; |
| const char *file_name; |
| const char* filter_name; |
| int direction; /* AP_LUA_FILTER_INPUT | AP_LUA_FILTER_OUTPUT */ |
| } ap_lua_filter_handler_spec; |
| |
| typedef struct { |
| apr_size_t runs; |
| apr_time_t modified; |
| apr_off_t size; |
| } ap_lua_finfo; |
| |
| typedef struct { |
| lua_State* L; |
| ap_lua_finfo* finfo; |
| } ap_lua_server_spec; |
| |
| /** |
| * Fake out addition of the "apache2" module |
| */ |
| void ap_lua_load_apache2_lmodule(lua_State *L); |
| |
| /* |
| * alternate means of getting lua_State (preferred eventually) |
| * Obtain a lua_State which has loaded file and is associated with lifecycle_pool |
| * If one exists, will return extant one, otherwise will create, attach, and return |
| * This does no locking around the lua_State, so if the pool is shared between |
| * threads, locking is up the client. |
| * |
| * @lifecycle_pool -> pool whose lifeycle controls the lua_State |
| * @file file to be opened, also used as a key for uniquing lua_States |
| * @cb callback for vm initialization called *before* the file is opened |
| * @ctx a baton passed to cb |
| */ |
| lua_State *ap_lua_get_lua_state(apr_pool_t *lifecycle_pool, |
| ap_lua_vm_spec *spec, request_rec* r); |
| |
| #if APR_HAS_THREADS || defined(DOXYGEN) |
| /* |
| * Initialize mod_lua mutex. |
| * @pool pool for mutex |
| * @s server_rec for logging |
| */ |
| void ap_lua_init_mutex(apr_pool_t *pool, server_rec *s); |
| #endif |
| |
| #endif |