1 files changed, 147 insertions, 0 deletions
diff --git a/modules/lua/lua_vmprep.h b/modules/lua/lua_vmprep.h
new file mode 100644
index 0000000..e46ac9b
--- /dev/null
+++ b/modules/lua/lua_vmprep.h
@@ -0,0 +1,147 @@
+/**
+ * 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