upload http

JIRA: BOTTLENECK-10

Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>

1 files changed, 319 insertions, 0 deletions

diff --git a/rubbos/app/httpd-2.0.64/modules/experimental/mod_cache.h b/rubbos/app/httpd-2.0.64/modules/experimental/mod_cache.h
new file mode 100644
index 00000000..62298a50
--- /dev/null
+++ b/rubbos/app/httpd-2.0.64/modules/experimental/mod_cache.h
@@ -0,0 +1,319 @@
+/* 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.
+ */
+
+#ifndef MOD_CACHE_H
+#define MOD_CACHE_H 
+
+/*
+ * Main include file for the Apache Transparent Cache
+ */
+
+#define CORE_PRIVATE
+
+#include "apr_hooks.h"
+#include "apr.h"
+#include "apr_lib.h"
+#include "apr_strings.h"
+#include "apr_buckets.h"
+#include "apr_md5.h"
+#include "apr_pools.h"
+#include "apr_strings.h"
+#include "apr_optional.h"
+#define APR_WANT_STRFUNC
+#include "apr_want.h"
+
+#include "httpd.h"
+#include "http_config.h"
+#include "ap_config.h"
+#include "http_core.h"
+#include "http_protocol.h"
+#include "http_request.h"
+#include "http_vhost.h"
+#include "http_main.h"
+#include "http_log.h"
+#include "http_connection.h"
+#include "util_filter.h"
+#include "apr_date.h"
+#include "apr_uri.h"
+
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#include "apr_atomic.h"
+
+#ifndef MAX
+#define MAX(a,b)                ((a) > (b) ? (a) : (b))
+#endif
+#ifndef MIN
+#define MIN(a,b)                ((a) < (b) ? (a) : (b))
+#endif
+
+/* default completion is 60% */
+#define DEFAULT_CACHE_COMPLETION (60)
+#define MSEC_ONE_DAY    ((apr_time_t)(86400*APR_USEC_PER_SEC)) /* one day, in microseconds */
+#define MSEC_ONE_HR     ((apr_time_t)(3600*APR_USEC_PER_SEC))  /* one hour, in microseconds */
+#define MSEC_ONE_MIN    ((apr_time_t)(60*APR_USEC_PER_SEC))    /* one minute, in microseconds */
+#define MSEC_ONE_SEC    ((apr_time_t)(APR_USEC_PER_SEC))       /* one second, in microseconds */
+#define DEFAULT_CACHE_MAXEXPIRE MSEC_ONE_DAY
+#define DEFAULT_CACHE_EXPIRE    MSEC_ONE_HR
+#define DEFAULT_CACHE_LMFACTOR  (0.1)
+
+/* Create a set of PROXY_DECLARE(type), PROXY_DECLARE_NONSTD(type) and 
+ * PROXY_DECLARE_DATA with appropriate export and import tags for the platform
+ */
+#if !defined(WIN32)
+#define CACHE_DECLARE(type)            type
+#define CACHE_DECLARE_NONSTD(type)     type
+#define CACHE_DECLARE_DATA
+#elif defined(CACHE_DECLARE_STATIC)
+#define CACHE_DECLARE(type)            type __stdcall
+#define CACHE_DECLARE_NONSTD(type)     type
+#define CACHE_DECLARE_DATA
+#elif defined(CACHE_DECLARE_EXPORT)
+#define CACHE_DECLARE(type)            __declspec(dllexport) type __stdcall
+#define CACHE_DECLARE_NONSTD(type)     __declspec(dllexport) type
+#define CACHE_DECLARE_DATA             __declspec(dllexport)
+#else
+#define CACHE_DECLARE(type)            __declspec(dllimport) type __stdcall
+#define CACHE_DECLARE_NONSTD(type)     __declspec(dllimport) type
+#define CACHE_DECLARE_DATA             __declspec(dllimport)
+#endif
+
+struct cache_enable {
+    const char *url;
+    const char *type;
+    apr_size_t urllen;
+};
+
+struct cache_disable {
+    const char *url;
+    apr_size_t urllen;
+};
+
+/* static information about the local cache */
+typedef struct {
+    apr_array_header_t *cacheenable;	/* URLs to cache */
+    apr_array_header_t *cachedisable;	/* URLs not to cache */
+    apr_time_t maxex;			/* Maximum time to keep cached files in msecs */
+    int maxex_set;
+    apr_time_t defex;           /* default time to keep cached file in msecs */
+    int defex_set;
+    double factor;              /* factor for estimating expires date */
+    int factor_set;
+    int complete;               /* Force cache completion after this point */
+    int complete_set;
+    /** ignore the last-modified header when deciding to cache this request */
+    int no_last_mod_ignore_set;
+    int no_last_mod_ignore; 
+    /** ignore client's requests for uncached responses */
+    int ignorecachecontrol;
+    int ignorecachecontrol_set;
+    /** store the headers that should not be stored in the cache */
+    apr_array_header_t *ignore_headers;
+    /* flag if CacheIgnoreHeader has been set */
+    #define CACHE_IGNORE_HEADERS_SET   1
+    #define CACHE_IGNORE_HEADERS_UNSET 0
+    int ignore_headers_set;
+} cache_server_conf;
+
+/* cache info information */
+typedef struct cache_info cache_info;
+struct cache_info {
+    int status;
+    char *content_type;
+    char *etag;
+    char *lastmods;         /* last modified of cache entity */
+    char *filename;   
+    apr_time_t date;
+    apr_time_t lastmod;
+    char lastmod_str[APR_RFC822_DATE_LEN];
+    apr_time_t expire;
+    apr_time_t request_time;
+    apr_time_t response_time;
+    apr_size_t len;
+    apr_time_t ims;    /*  If-Modified_Since header value    */
+    apr_time_t ius;    /*  If-UnModified_Since header value    */
+    const char *im;         /* If-Match header value */
+    const char *inm;         /* If-None-Match header value */
+};
+
+/* cache handle information */
+
+/* XXX TODO On the next structure change/MMN bump, 
+ * count must become an apr_off_t, representing
+ * the potential size of disk cached objects.
+ * Then dig for
+ * "XXX Bad Temporary Cast - see cache_object_t notes" 
+ */
+typedef struct cache_object cache_object_t;
+struct cache_object {
+    char *key;
+    cache_object_t *next;
+    cache_info info;
+    void *vobj;         /* Opaque portion (specific to the cache implementation) of the cache object */
+    apr_size_t count;   /* Number of body bytes written to the cache so far */
+    int complete;
+    apr_atomic_t refcount;
+    apr_size_t cleanup;
+};
+
+typedef struct cache_handle cache_handle_t;
+
+#define CACHE_PROVIDER_GROUP "cache"
+
+typedef struct {
+    int (*remove_entity) (cache_handle_t *h);
+    apr_status_t (*store_headers)(cache_handle_t *h, request_rec *r, cache_info *i);
+    apr_status_t (*store_body)(cache_handle_t *h, request_rec *r, apr_bucket_brigade *b);
+    apr_status_t (*recall_headers) (cache_handle_t *h, request_rec *r);
+    apr_status_t (*recall_body) (cache_handle_t *h, apr_pool_t *p, apr_bucket_brigade *bb); 
+    int (*create_entity) (cache_handle_t *h, request_rec *r,
+                           const char *urlkey, apr_off_t len);
+    int (*open_entity) (cache_handle_t *h, request_rec *r,
+                           const char *urlkey);
+    int (*remove_url) (const char *urlkey);
+} cache_provider;
+
+/* A linked-list of authn providers. */
+typedef struct cache_provider_list cache_provider_list;
+
+struct cache_provider_list {
+    const char *provider_name;
+    const cache_provider *provider;
+    cache_provider_list *next;
+};
+
+struct cache_handle {
+    cache_object_t *cache_obj;
+    apr_table_t *req_hdrs;        /* cached request headers */
+    apr_table_t *resp_hdrs;       /* cached response headers */
+    apr_table_t *resp_err_hdrs;   /* cached response err headers */
+    const char *content_type;     /* cached content type */
+    int status;                   /* cached status */
+};
+
+/* per request cache information */
+typedef struct {
+    cache_provider_list *providers;         /* possible cache providers */
+    const cache_provider *provider;         /* current cache provider */
+    const char *provider_name;              /* current cache provider name */
+    int fresh;				/* is the entitey fresh? */
+    cache_handle_t *handle;		/* current cache handle */
+    cache_handle_t *stale_handle;	/* stale cache handle */
+    apr_table_t *stale_headers;		/* original request headers. */
+    int in_checked;			/* CACHE_SAVE must cache the entity */
+    int block_response;			/* CACHE_SAVE must block response. */
+    apr_bucket_brigade *saved_brigade;  /* copy of partial response */
+    apr_off_t saved_size;               /* length of saved_brigade */
+    apr_time_t exp;                     /* expiration */
+    apr_time_t lastmod;                 /* last-modified time */
+    cache_info *info;                   /* current cache info */
+} cache_request_rec;
+
+
+/* cache_util.c */
+/* do a HTTP/1.1 age calculation */
+CACHE_DECLARE(apr_time_t) ap_cache_current_age(cache_info *info, const apr_time_t age_value,
+                                               apr_time_t now);
+
+/**
+ * Check the freshness of the cache object per RFC2616 section 13.2 (Expiration Model)
+ * @param h cache_handle_t
+ * @param r request_rec
+ * @return 0 ==> cache object is stale, 1 ==> cache object is fresh
+ */
+CACHE_DECLARE(int) ap_cache_check_freshness(cache_handle_t *h, request_rec *r);
+CACHE_DECLARE(apr_time_t) ap_cache_hex2usec(const char *x);
+CACHE_DECLARE(void) ap_cache_usec2hex(apr_time_t j, char *y);
+CACHE_DECLARE(char *) generate_name(apr_pool_t *p, int dirlevels, 
+                                    int dirlength, 
+                                    const char *name);
+CACHE_DECLARE(int) ap_cache_request_is_conditional(apr_table_t *table);
+CACHE_DECLARE(cache_provider_list *)ap_cache_get_providers(request_rec *r, cache_server_conf *conf, const char *url);
+CACHE_DECLARE(int) ap_cache_liststr(apr_pool_t *p, const char *list,
+                                    const char *key, char **val);
+CACHE_DECLARE(const char *)ap_cache_tokstr(apr_pool_t *p, const char *list, const char **str);
+
+/* Create a new table consisting of those elements from a request_rec's
+ * headers_out that are allowed to be stored in a cache
+ */
+CACHE_DECLARE(apr_table_t *)ap_cache_cacheable_hdrs_out(apr_pool_t *pool,
+                                                        apr_table_t *t,
+                                                        server_rec *s);
+
+/**
+ * cache_storage.c
+ */
+int cache_remove_url(request_rec *r, char *url);
+int cache_create_entity(request_rec *r, char *url, apr_off_t size);
+int cache_select_url(request_rec *r, char *url);
+apr_status_t cache_generate_key_default( request_rec *r, apr_pool_t*p, char**key );
+/**
+ * create a key for the cache based on the request record
+ * this is the 'default' version, which can be overridden by a default function
+ */
+const char* cache_create_key( request_rec*r );
+
+/*
+apr_status_t cache_store_entity_headers(cache_handle_t *h, request_rec *r, cache_info *info);
+apr_status_t cache_store_entity_body(cache_handle_t *h, request_rec *r, apr_bucket_brigade *bb);
+
+apr_status_t cache_recall_entity_headers(cache_handle_t *h, request_rec *r);
+apr_status_t cache_recall_entity_body(cache_handle_t *h, apr_pool_t *p, apr_bucket_brigade *bb);
+*/
+
+/* hooks */
+
+/* Create a set of CACHE_DECLARE(type), CACHE_DECLARE_NONSTD(type) and 
+ * CACHE_DECLARE_DATA with appropriate export and import tags for the platform
+ */
+#if !defined(WIN32)
+#define CACHE_DECLARE(type)            type
+#define CACHE_DECLARE_NONSTD(type)     type
+#define CACHE_DECLARE_DATA
+#elif defined(CACHE_DECLARE_STATIC)
+#define CACHE_DECLARE(type)            type __stdcall
+#define CACHE_DECLARE_NONSTD(type)     type
+#define CACHE_DECLARE_DATA
+#elif defined(CACHE_DECLARE_EXPORT)
+#define CACHE_DECLARE(type)            __declspec(dllexport) type __stdcall
+#define CACHE_DECLARE_NONSTD(type)     __declspec(dllexport) type
+#define CACHE_DECLARE_DATA             __declspec(dllexport)
+#else
+#define CACHE_DECLARE(type)            __declspec(dllimport) type __stdcall
+#define CACHE_DECLARE_NONSTD(type)     __declspec(dllimport) type
+#define CACHE_DECLARE_DATA             __declspec(dllimport)
+#endif
+
+APR_DECLARE_OPTIONAL_FN(apr_status_t, 
+                        ap_cache_generate_key, 
+                        (request_rec *r, apr_pool_t*p, char**key ));
+
+
+#endif /*MOD_CACHE_H*/