集成支持tango_cache_parameter_new的cache client

conf/pangu/pangu_pxy.conf

@@ -7,7 +7,7 @@ KAFKA_BROKERLIST=192.168.10.73:9092
 
 [MAAT]
 # 0:json 1: redis 2: iris
-MAAT_INPUT_MODE=1
+MAAT_INPUT_MODE=0
 TABLE_INFO=./pangu_conf/table_info.conf
 JSON_CFG_FILE=./pangu_conf/pangu_ctrl.json
 STAT_FILE=./log/pangu_scan.status
@@ -19,21 +19,36 @@ MAAT_REDIS_DB_INDEX=4
 EFFECT_INTERVAL_S=1
 
 [TANGO_CACHE]
-#MINIO IP<49><50>ַ<EFBFBD><D6B7>Ŀǰֻ֧<D6BB><D6A7>һ<EFBFBD><D2BB>
+enable_cache=1
+#MINIO IP, As WiredLB required
 MINIO_IP_LIST=192.168.10.61-64;
 MINIO_LISTEN_PORT=9000
 
-#ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>࿪<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+#MAX_CONNECTION_PER_HOST=1
-MAX_CONNECTION_PER_HOST=10
+MAX_CNNT_PIPELINE_NUM=20
+#MAX_CURL_SESSION_NUM=100
+MAX_CURL_TRANSFER_TIMEOUT_S=15
 
-#bucket<65><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 CACHE_BUCKET_NAME=openbucket
-
-#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD>õ<EFBFBD><C3B5>ڴ<EFBFBD><DAB4>ռ<EFBFBD><D5BC><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD>ʱ<EFBFBD>ϴ<EFBFBD>ʧ<EFBFBD><CAA7>
 MAX_USED_MEMORY_SIZE_MB=5120
-
-#<23>ϴ<EFBFBD>ʱExpiresͷ<73><CDB7><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD>ʱ<EFBFBD>䣬<EFBFBD><E4A3AC>λ<EFBFBD>룬<EFBFBD><EBA3AC>С60<36><30>1<EFBFBD><31><EFBFBD>ӣ<EFBFBD>
 CACHE_DEFAULT_TTL_SECOND=3600
-
-#<23>Ƿ<EFBFBD><C7B7>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ<EFBFBD><C6BD>й<EFBFBD>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD><CFB4><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
 CACHE_OBJECT_KEY_HASH_SWITCH=1
+
+#1-MINIO，2-REDIS
+CACHE_HEAD_FROM_SOURCE=2
+CACHE_HEAD_REDIS_KEY=MINIO_EVENTS_INFO
+CACHE_HEAD_MAIN_REDIS_IP=192.168.10.63
+CACHE_HEAD_REDIS_IPLIST=192.168.10.62-63;
+CACHE_HEAD_REDIS_PORT=6379
+
+#WIRED LOAD BALANCER Configuration
+#WIREDLB_OVERRIDE=1
+#WIREDLB_TOPIC=
+#WIREDLB_DATACENTER=
+WIREDLB_MINIO_HEALTH_PORT=52100
+#WIREDLB_MINIO_GROUP=
+WIREDLB_REDIS_HEALTH_PORT=52101
+#WIREDLB_REDIS_GROUP=
+
+cache_undefined_obj=1
+query_undefined_obj=0

plugin/business/pangu-http/src/pangu_web_cache.cpp

@@ -9,11 +9,19 @@
 
 #include <MESA/MESA_prof_load.h>
 #include <MESA/field_stat2.h>
-#include <Maat_rule.h>
 
 #include <event2/event.h>
 #include <event2/buffer.h>
 
+extern "C" 
+{
+#include <dablooms.h>
+}
+
+#include <cjson/cJSON.h>
+
+#include <pthread.h>
+
 enum cache_stat_field
 {
 	STAT_CACHE_QUERY,
@@ -29,6 +37,7 @@ enum cache_stat_field
 	STAT_CACHE_QUERYING,
 	STAT_CACHE_PENDING,
 	STAT_CACHE_UPLOAD_CNT,
+	STAT_CACHE_UPLOAD_BYPASS,
 	STAT_CACHE_UPLOAD_OVERRIDE,
 	STAT_CACHE_UPLOAD_FORBIDEN,
 	STAT_CACHE_UPLOAD_ABANDON,
@@ -44,6 +53,41 @@ enum cache_stat_field
 	STAT_CACHE_OVERRIDE_UPLOAD_OBJ_SIZE,
 	__CACHE_STAT_MAX
 };
+	
+struct cache_key_descr
+{
+	int is_not_empty;
+	size_t qs_num;
+	char** ignore_qs;
+	char* include_cookie;
+};
+struct cache_param
+{
+	int ref_cnt;
+	struct cache_key_descr key_descr;
+	
+	char no_revalidate;
+	char cache_dyn_url;
+	char cache_cookied_cont;
+	char ignore_req_nocache;
+	char ignore_res_nocache;
+	char force_caching;
+	
+	int min_use;
+	time_t pinning_time_sec;
+	time_t inactive_time_sec;
+	long max_cache_size;
+	long max_cache_obj_size;
+	pthread_mutex_t lock;
+};
+struct cache_bloom
+{
+	int thread_id;
+	size_t size;
+	double error_rate;
+	char filename[TFE_PATH_MAX];
+	counting_bloom_t *bloom;
+};
 struct cache_handle
 {
 	unsigned int thread_count;
@@ -62,11 +106,17 @@ struct cache_handle
 	struct event_base* gc_evbase;
 	struct event* gcev;	
 
+	
+	int cache_policy_enabled;	//otherwise use default cache policy
 	struct cache_param default_cache_policy;
 	Maat_feather_t ref_feather;
 	int cache_param_idx;
 	int table_url_constraint;
 	int table_cookie_constraint;
+
+	int cache_key_bloom_life;
+	size_t cache_key_bloom_size;
+	struct cache_bloom *cache_key_bloom;
 	void* logger;
 };
 struct cache_update_context
@@ -74,7 +124,7 @@ struct cache_update_context
 	struct cache_handle* ref_cache_handle;
 	struct tango_cache_ctx * write_ctx;
 };
-static void cache_gc_cb(evutil_socket_t fd, short what, void * arg)
+static void web_cache_stat_cb(evutil_socket_t fd, short what, void * arg)
 {
 	struct cache_handle* cache=(struct cache_handle *)arg;
 	struct cache_statistics client_stat_sum, client_stat;
@@ -169,6 +219,7 @@ void cache_stat_init(struct cache_handle* cache)
 	set_stat_spec(&spec[STAT_CACHE_QUERYING], "getting",FS_STYLE_STATUS, FS_CALC_CURRENT);
 	set_stat_spec(&spec[STAT_CACHE_PENDING], "pending",FS_STYLE_STATUS, FS_CALC_CURRENT);
 	set_stat_spec(&spec[STAT_CACHE_UPLOAD_CNT], "cache_put",FS_STYLE_FIELD, FS_CALC_CURRENT);
+	set_stat_spec(&spec[STAT_CACHE_UPLOAD_BYPASS], "cache_bypass",FS_STYLE_FIELD, FS_CALC_CURRENT);
 	set_stat_spec(&spec[STAT_CACHE_UPLOAD_OVERRIDE], "or_put",FS_STYLE_FIELD, FS_CALC_CURRENT);
 	set_stat_spec(&spec[STAT_CACHE_UPLOAD_FORBIDEN], "put_forbid",FS_STYLE_FIELD, FS_CALC_CURRENT);
 	set_stat_spec(&spec[STAT_CACHE_UPLOAD_ABANDON], "put_abandon",FS_STYLE_FIELD, FS_CALC_CURRENT);
@@ -214,44 +265,184 @@ void cache_stat_init(struct cache_handle* cache)
 	FS_start(cache->fs_handle);
 	
 	struct timeval gc_delay = {0, 500*1000};	//Microseconds, we set 500 miliseconds here.
-	cache->gcev = event_new(cache->gc_evbase, -1, EV_PERSIST, cache_gc_cb, cache);	
+	cache->gcev = event_new(cache->gc_evbase, -1, EV_PERSIST, web_cache_stat_cb, cache);	
     evtimer_add(cache->gcev, &gc_delay);	
 	return;
 }
-struct cache_key_descr
+
+
+time_t time_unit_sec(const char* str)
 {
-	size_t qs_num;
+	time_t value=0;
-	char** ignore_qs;
+	sscanf(str, "%ld", &value);
-	char* include_hdrs;
+	switch(str[strlen(str)-1])
-	char* include_cookie;
+	{
-};
+		case 's':
-struct cache_param
+			break;
+		case 'm':
+			value*=60;
+			break;
+		case 'h':
+			value*=3600;
+			break;
+		case 'd':
+			value*=((size_t)24*3600);
+			break;
+		default:
+			break;
+	}
+	return value;
+}
+size_t storage_unit_byte(const char* str)
 {
-	struct cache_key_descr key_descr;
+	size_t value=0;
+	sscanf(str, "%ld", &value);
+	switch(str[strlen(str)-1])
+	{
+		case 'b':
+			break;
+		case 'k':
+			value*=1024;
+			break;
+		case 'm':
+			value*=((size_t)1024*1024);
+			break;
+		case 'g':
+			value*=((size_t)1024*1024*1024);
+			break;
+		case 't':
+			if(value<1024)
+			{
+#pragma GCC diagnostic ignored "-Woverflow"
+				value*=((size_t)1024*1024*1024*1024);
 
-	char revalidate;
+			}
-	char cache_dyn_url;
+			else	//maximum 1PB
-	char cache_cookied_cont;
+			{
-	char ignore_req_nocache;
+				value=(size_t)1024*(1024*1024*1024*1024);
-	char ignore_res_nocache;
+			}
-	char force_caching;
+			break;
-	
+		default:
-	int min_use;
+			break;
-	int pinning_time_sec;
+	}
-	int inactive_time_sec;
+	return value;
-	int max_cache_size_mb;
+}
-	int max_cache_obj_size_mb;	
-};
 
 
-int time_secs_interval(const char* str){}
+//A URL is considered dynamic if it ends in “.asp(x)” or contains a question mark (?), a semicolon (;), or “cgi”.
-int storage_mb_size(const char* str){}
+char is_dynamic_url(const char* url)
-int is_dynamic_url(const char* url){}
+{
+	if(strchr(url, '?')
+		|| strchr(url, ';')
+		|| strstr(url, "cgi")
+		|| 0==strcmp(url+strlen(url)-3,"asp")
+		|| 0==strcmp(url+strlen(url)-4, "aspx"))
+	{
+		return 1;
+	}
+	return 0;
+}
+char * cookie_scanvalue(const char * key, const char * qs, char * val, size_t val_len)
+{
+    int i=0, key_len=0;
+
+	key_len = strlen(key);
+    while(qs[0] != '\0')
+    {
+        if ( strncmp(key, qs, key_len) == 0 )
+            break;
+        qs += strcspn(qs, ";") + 1;
+    }
+
+    if ( qs[0] == '\0' ) return NULL;
+
+    qs += strcspn(qs, "=;");
+    if ( qs[0] == '=' )
+    {
+        qs++;
+        i = strcspn(qs, "=;");
+        strncpy(val, qs, (val_len-1)<(i+1) ? (val_len-1) : (i+1));
+    }
+    else
+    {
+        if ( val_len > 0 )
+            val[0] = '\0';
+    }
+
+    return val;
+}
+
+
+char* get_cache_key(const struct tfe_http_half * request, const struct cache_key_descr* desc)
+{
+	if(desc==NULL|| !desc->is_not_empty)
+	{
+		return NULL;
+	}
+	int i=0, shall_ignore=0;
+	
+	char *token=NULL,*sub_token=NULL,*saveptr;
+	char* url=tfe_strdup(request->req_spec.url);
+	const char* cookie=NULL;
+	char cookie_val[256]={0};	 //most 256 bytes for cookie key
+	size_t key_size=strlen(url)+sizeof(cookie_val);
+	char* cache_key=ALLOC(char, key_size);
+	char* query_string=NULL;
+	
+	if(desc->qs_num>0)
+	{
+		query_string=strchr(url, '?');
+		if(query_string!=NULL)
+		{
+			strncat(cache_key, url, MIN(query_string-url,key_size));
+			query_string++;
+			for (token = query_string; ; token= NULL)
+			{
+				sub_token= strtok_r(token,"&", &saveptr);
+				if (sub_token == NULL)
+					break;
+				shall_ignore=0;
+				for(i=0; i<desc->qs_num; i++)
+				{
+					if(0==strncasecmp(sub_token, desc->ignore_qs[i], strlen(desc->ignore_qs[i])))
+					{
+						shall_ignore=1;
+						break;
+					}
+				}
+				if(!shall_ignore)
+				{
+					strncat(cache_key, sub_token, key_size);
+				}
+			}
+		}
+		else
+		{
+			strncat(cache_key, url, key_size);
+		}
+	}
+	else
+	{
+		strncat(cache_key, url, key_size);
+	}
+	if(desc->include_cookie && (cookie=tfe_http_std_field_read(request, TFE_HTTP_COOKIE))!=NULL)
+	{
+		cookie_scanvalue(desc->include_cookie, cookie, cookie_val, sizeof(cookie_val));
+		if(strlen(cookie_val)>0)
+		{
+			strncat(cache_key, cookie_val, key_size);
+		}
+	}
+	FREE(&(url));
+	return cache_key;
+}
+
 void cache_param_new(int idx, const struct Maat_rule_t* rule, const char* srv_def_large, 
 												MAAT_RULE_EX_DATA* ad, long argl, void *argp)
 {
 	struct cache_handle* cache=(struct cache_handle*) argp;
 	int i=0;
+	size_t len=0;
 	*ad=NULL;
 	if(rule->serv_def_len<strlen("{}")+1)
 	{
@@ -265,31 +456,37 @@ void cache_param_new(int idx, const struct Maat_rule_t* rule, const char* srv_de
 		return;
 	}
 	struct cache_param* param=ALLOC(struct cache_param, 1);
+	
 	*param=cache->default_cache_policy;
+	param->ref_cnt=1;
+	pthread_mutex_init(&(param->lock), NULL);
 	key_desc=cJSON_GetObjectItem(json,"cache_key");
 	if(key_desc && key_desc->type==cJSON_Object)
 	{
-		qs=cJSON_GetObjectItem(json,"ignore_qs");
+		param->key_descr.is_not_empty=1;
+		qs=cJSON_GetObjectItem(key_desc,"ignore_qs");
 		if(qs && qs->type==cJSON_Array)
 		{		
 			param->key_descr.qs_num=cJSON_GetArraySize(qs);
 			param->key_descr.ignore_qs=ALLOC(char*, param->key_descr.qs_num);
 			for(i=0; i<param->key_descr.qs_num; i++)
 			{
-				item=cJSON_GetArrayItem(item, i);
+				item=cJSON_GetArrayItem(qs, i);
-				param->key_descr.ignore_qs[i]=tfe_strdup(qs->valuestring);
+				len=strlen(item->valuestring)+2;
+				param->key_descr.ignore_qs[i]=ALLOC(char, len);
+				strncat(param->key_descr.ignore_qs[i], item->valuestring, len);
+				strncat(param->key_descr.ignore_qs[i], "=", len);
 			}
 		}		
-	}
-	item=cJSON_GetObjectItem(key_desc,"hdrs");
-	if(item && item->type==cJSON_String) param->key_descr.include_hdrs=tfe_strdup(item->valuestring);
-
 		item=cJSON_GetObjectItem(key_desc,"cookie");
-	if(item && item->type==cJSON_String) param->key_descr.include_cookie=tfe_strdup(item->valuestring);
+		if(item && item->type==cJSON_String) param->key_descr.include_cookie=tfe_strdup(param->key_descr.include_cookie);
+
+	}
 
 
-	item=cJSON_GetObjectItem(json,"revalidate");
+	
-	if(item && item->type==cJSON_Number) param->revalidate=item->valueint;
+	item=cJSON_GetObjectItem(json,"no_revalidate");
+	if(item && item->type==cJSON_Number) param->no_revalidate=item->valueint;
 	
 	item=cJSON_GetObjectItem(json,"cache_dyn_url");
 	if(item && item->type==cJSON_Number) param->cache_dyn_url=item->valueint;
@@ -310,18 +507,19 @@ void cache_param_new(int idx, const struct Maat_rule_t* rule, const char* srv_de
 	if(item && item->type==cJSON_Number) param->min_use=item->valueint;
 	
 	item=cJSON_GetObjectItem(json,"pinning_time");
-	if(item && item->type==cJSON_String) param->pinning_time_sec=time_secs_interval(item->valuestring);
+	if(item && item->type==cJSON_String) param->pinning_time_sec=time_unit_sec(item->valuestring);
 	
 	item=cJSON_GetObjectItem(json,"inactive_time");
-	if(item && item->type==cJSON_String) param->inactive_time_sec=time_secs_interval(item->valuestring);
+	if(item && item->type==cJSON_String) param->inactive_time_sec=time_unit_sec(item->valuestring);
 
 	item=cJSON_GetObjectItem(json,"max_cache_size");
-	if(item && item->type==cJSON_String) param->max_cache_size_mb=storage_mb_size(item->valuestring);
+	if(item && item->type==cJSON_String) param->max_cache_size=storage_unit_byte(item->valuestring);
 
 	item=cJSON_GetObjectItem(json,"max_cache_obj_size");
-	if(item && item->type==cJSON_String) param->max_cache_obj_size_mb=storage_mb_size(item->valuestring);
+	if(item && item->type==cJSON_String) param->max_cache_obj_size=storage_unit_byte(item->valuestring);
 		
 	cJSON_Delete(json);
+	*ad=param;
 	return;
 }
 void cache_param_free(int idx, const struct Maat_rule_t* rule, const char* srv_def_large, MAAT_RULE_EX_DATA* ad, long argl, void *argp)
@@ -332,29 +530,88 @@ void cache_param_free(int idx, const struct Maat_rule_t* rule, const char* srv_d
 		return;
 	}
 	struct cache_param* param=(struct cache_param*)*ad;
+	pthread_mutex_lock(&(param->lock));
+	param->ref_cnt--;
+	if(param->ref_cnt>0)
+	{	
+		pthread_mutex_unlock(&(param->lock));
+		return;
+	}
+	pthread_mutex_unlock(&(param->lock));
+	pthread_mutex_destroy(&(param->lock));
 	for(i=0; i<param->key_descr.qs_num; i++)
 	{
 		FREE(&(param->key_descr.ignore_qs[i]));
 	}
 	FREE(&(param->key_descr.ignore_qs));
 	FREE(&(param->key_descr.include_cookie));
-	FREE(&(param->key_descr.include_hdrs));
 	FREE(&(param));
 	return;
 }
+void cache_param_dup(int idx,	MAAT_RULE_EX_DATA *to, MAAT_RULE_EX_DATA *from, long argl, void *argp)
+{
+	struct cache_param* from_param=*((struct cache_param**)from);
+	pthread_mutex_lock(&(from_param->lock));
+	from_param->ref_cnt++;
+	pthread_mutex_unlock(&(from_param->lock));
+	*((struct cache_param**)to)=from_param;
+	return;
+}
+
+static void cache_key_bloom_gc_cb(evutil_socket_t fd, short what, void * arg)
+{
+	struct cache_bloom* p_bloom= (struct cache_bloom*) arg;
+	counting_bloom_t* new_bloom=NULL;
+
+	new_bloom=new_counting_bloom(p_bloom->size, p_bloom->error_rate, p_bloom->filename);
+	free_counting_bloom(p_bloom->bloom);
+	p_bloom->bloom=new_bloom;
+	return;
+}
 
 struct cache_handle* create_web_cache_handle(const char* profile_path, const char* section, 
 													struct event_base* gc_evbase, Maat_feather_t feather, void *logger)
 {
 	struct cache_handle* cache=ALLOC(struct cache_handle, 1);
 	int temp=0;	
+	struct event* ev=NULL;
 	cache->logger=logger;
 	cache->thread_count=tfe_proxy_get_work_thread_count();
 	cache->clients=ALLOC(struct tango_cache_instance *, cache->thread_count);
+	cache->cache_key_bloom=ALLOC(struct cache_bloom, cache->thread_count);
+	struct cache_bloom* p_bloom=NULL; 
+	MESA_load_profile_int_def(profile_path, section, "cache_policy_enabled", 
+								&(cache->cache_policy_enabled), 1);
+
+	
+	MESA_load_profile_int_def(profile_path, section, "cache_key_bloom_size", 
+								(int*)&(cache->cache_key_bloom_size), 16*1000*1000);
+	MESA_load_profile_int_def(profile_path, section, "cache_key_bloom_life", 
+								&(cache->cache_key_bloom_life), 30*60);
+	char bloom_filename[TFE_PATH_MAX]{0};
+	struct timeval gc_refresh_delay = {cache->cache_key_bloom_life, 0};
 	int i=0;
+	
+	struct tango_cache_parameter *cache_client_param=tango_cache_parameter_new(profile_path, section, logger);
 	for(i=0; i<cache->thread_count; i++)
 	{
-		cache->clients[i]=tango_cache_instance_new(tfe_proxy_get_work_thread_evbase(i), profile_path, section, logger);
+		if(cache->cache_policy_enabled)
+		{
+			p_bloom=cache->cache_key_bloom+i;
+			p_bloom->thread_id=i;
+			p_bloom->size=cache->cache_key_bloom_size;
+			p_bloom->error_rate=0.01;
+			snprintf(p_bloom->filename, sizeof(p_bloom->filename), "/tmp/pangu_cache_blooms.%d", i);
+			p_bloom->bloom=new_counting_bloom(p_bloom->size, p_bloom->error_rate, p_bloom->filename);
+			if(p_bloom->bloom==NULL)
+			{
+				goto error_out;
+			}
+			ev = event_new(tfe_proxy_get_work_thread_evbase(i), -1, EV_PERSIST, cache_key_bloom_gc_cb, p_bloom);	
+			evtimer_add(ev, &gc_refresh_delay);
+		}
+	
+		cache->clients[i]=tango_cache_instance_new(cache_client_param,tfe_proxy_get_work_thread_evbase(i), logger);
 		if(cache->clients[i]==NULL)
 		{
 			goto error_out;
@@ -369,29 +626,32 @@ struct cache_handle* create_web_cache_handle(const char* profile_path, const cha
 	MESA_load_profile_int_def(profile_path, section, "cache_undefined_obj", &(cache->cache_undefined_obj_enabled), 1);
 	MESA_load_profile_int_def(profile_path, section, "cached_undefined_obj_minimum_size", &(temp), 100*1024);
 	cache->cache_undefined_obj_min_size=temp;
-	MESA_load_profile_int_def(profile_path, section, "cache_minimum_time_override", &(cache->minimum_cache_seconds), 60*5);
 
 	cache->gc_evbase=gc_evbase;	
 
 	cache->default_cache_policy.key_descr.qs_num=0;
-	cache->default_cache_policy.revalidate=1;
+	cache->default_cache_policy.no_revalidate=0;
 	cache->default_cache_policy.cache_dyn_url=0;
 	cache->default_cache_policy.cache_cookied_cont=0;
 	cache->default_cache_policy.ignore_req_nocache=0;
 	cache->default_cache_policy.ignore_res_nocache=0;
 	cache->default_cache_policy.force_caching=0;
-	cache->default_cache_policy.min_use=1;
+	cache->default_cache_policy.min_use=0;
 	cache->default_cache_policy.pinning_time_sec=0;
 	cache->default_cache_policy.inactive_time_sec=0;
-	cache->default_cache_policy.max_cache_size_mb=0;
+	cache->default_cache_policy.max_cache_size=0;
-	cache->default_cache_policy.max_cache_obj_size_mb=1024;//<1GB by default
+	cache->default_cache_policy.max_cache_obj_size=1024*1024*1024;//<1GB by default
 
+	if(cache->cache_policy_enabled)
+	{
 		cache->table_url_constraint=Maat_table_register(feather, "PXY_CACHE_HTTP_URL");
 		cache->table_cookie_constraint=Maat_table_register(feather, "PXY_CACHE_HTTP_COOKIE");
 		
 		cache->cache_param_idx=Maat_rule_get_ex_new_index(feather, "PXY_CACHE_COMPILE", 
-													cache_param_new, cache_param_free, 0, cache);
+														cache_param_new, cache_param_free, cache_param_dup,
-	
+														0, cache);
+		cache->ref_feather=feather;
+	}
 	cache_stat_init(cache);
 	return cache;
 error_out:
@@ -545,7 +805,6 @@ struct cache_pending_context
 {
 	enum cache_pending_result status;
 	int is_undefined_obj;
-	struct request_freshness req_fresshness;
 	char* req_if_none_match, *req_if_modified_since;
 	const struct tfe_http_half * request;
 
@@ -567,6 +826,9 @@ void cache_pending_ctx_free_cb(void* p)
 	{
 		future_destroy(ctx->f_tango_cache_fetch);
 	}
+	FREE(&(ctx->cached_obj_meta.etag));
+	FREE(&(ctx->cached_obj_meta.last_modified));
+	FREE(&(ctx->cached_obj_meta.content_type));
 	free(ctx);
 	return;
 }
@@ -631,25 +893,59 @@ static void cache_query_meta_on_fail(enum e_future_error err, const char * what,
 }
 struct cache_mid
 {
+	enum cache_pending_result result;
+	struct request_freshness req_fresshness;
+	char shall_bypass;
+	char is_using_exception_param;
+	char is_dyn_url;
+	char has_cookie;
+	char use_cnt;
+	int cfg_id;
+	char* cache_key;
 	struct cache_param* param;
 };
+void cache_mid_clear(struct cache_mid **mid)
+{
+	if(*mid==NULL)
+	{
+		return;
+	}
+	if((*mid)->is_using_exception_param)
+	{
+		cache_param_free(0, NULL, NULL, (void**)&((*mid)->param), 0, NULL);
+	}
+	FREE(&((*mid)->cache_key));
+	FREE(mid);
+	return;
+}
+
+#define	CACHE_ACTION_BYPASS	0x80
 enum cache_pending_result web_cache_async_pending(struct cache_handle* handle, unsigned int thread_id,
 							const struct tfe_http_half * request, struct cache_mid** mid, struct future* f_revalidate)
 {	
-	struct request_freshness req_fresshness={0,0};
 	enum cache_pending_result result=PENDING_RESULT_FOBIDDEN;
 	int is_undefined_obj=0;
 	struct Maat_rule_t cache_policy;
-	const struct cache_param* param=&(handle->default_cache_policy);
+	struct cache_param* param=&(handle->default_cache_policy);
 	MAAT_RULE_EX_DATA ex_data=NULL;
 	scan_status_t scan_mid=NULL;
 	int ret=0;
 	const char* cookie=NULL;
+	struct cache_mid* _mid=ALLOC(struct cache_mid, 1);
+	*mid=_mid;
+	cookie=tfe_http_std_field_read(request, TFE_HTTP_COOKIE);
+	if(cookie)
+	{
+		_mid->has_cookie=1;
+	}	
+	_mid->is_dyn_url=is_dynamic_url(request->req_spec.url);
+	if(handle->cache_policy_enabled)
+	{
 		ret=Maat_full_scan_string(handle->ref_feather, handle->table_url_constraint, CHARSET_UTF8,
 								request->req_spec.url, strlen(request->req_spec.url),
 								&cache_policy, NULL, 1, &scan_mid, thread_id);
 		
-	cookie=tfe_http_std_field_read(request, TFE_HTTP_COOKIE);
+
 		if(cookie && ret<=0)
 		{
 			ret=Maat_full_scan_string(handle->ref_feather, handle->table_cookie_constraint, CHARSET_UTF8,
@@ -663,18 +959,25 @@ enum cache_pending_result web_cache_async_pending(struct cache_handle* handle, u
 			ex_data=Maat_rule_get_ex_data(handle->ref_feather, &cache_policy, handle->cache_param_idx);
 			if(ex_data!=NULL)
 			{
-			param=(const struct cache_param*)ex_data;
+				param=(struct cache_param*)ex_data;
+				_mid->is_using_exception_param=1;
+				_mid->param=param;
 			}
-	}
+			if(cache_policy.action==CACHE_ACTION_BYPASS)
-	if(param->cache_dyn_url==0 && is_dynamic_url(request->req_spec.url))
 			{
-		return FORBIDDEN;
+				_mid->shall_bypass=1;
 			}
-	if(param->cache_cookied_cont==0 && cookie!=NULL)
+			_mid->cfg_id=cache_policy.config_id;
+		}
+		if(_mid->shall_bypass ||
+			(!param->cache_dyn_url && _mid->is_dyn_url && param->key_descr.qs_num==0) ||
+			(param->cache_cookied_cont && _mid->has_cookie) )
 		{
-		return FORBIDDEN;
+			_mid->result=PENDING_RESULT_FOBIDDEN;
+			return _mid->result;
 		}
-	enum cache_pending_action get_action=tfe_cache_get_pending(request, &(req_fresshness));
+	}
+	enum cache_pending_action get_action=tfe_cache_get_pending(request, &(_mid->req_fresshness));
 	switch(get_action)
 	{
 		case UNDEFINED:
@@ -705,51 +1008,68 @@ enum cache_pending_result web_cache_async_pending(struct cache_handle* handle, u
 			result=PENDING_RESULT_ALLOWED;
 			break;
 		default:
+			if(param->no_revalidate)
+			{
+				result=PENDING_RESULT_ALLOWED;
+			}
+			else
+			{
 				result=PENDING_RESULT_REVALIDATE;				
+			}
 			break;
 	}
 	if(result!=PENDING_RESULT_REVALIDATE)
 	{
-		return result;
+		_mid->result=result;
+		return _mid->result;
 	}
 	
 	struct tango_cache_meta_get meta;
 	memset(&meta, 0, sizeof(meta));
-	meta.url=request->req_spec.url;
+	if(param->key_descr.is_not_empty)
-	meta.get=req_fresshness;
+	{
+		_mid->cache_key=get_cache_key(request, &(param->key_descr));
+		meta.url = _mid->cache_key;
+	}
+	else
+	{
+		meta.url = request->req_spec.url;
+	}
+	meta.get = _mid->req_fresshness;
 	
 	struct promise* p=future_to_promise(f_revalidate);
 	struct cache_pending_context* ctx=ALLOC(struct cache_pending_context, 1);
 	ctx->status=PENDING_RESULT_FOBIDDEN;	
 	ctx->ref_handle=handle;
-	ctx->req_fresshness=req_fresshness;
 	ctx->url=tfe_strdup(request->req_spec.url);
+
 	ctx->req_if_modified_since=tfe_strdup(tfe_http_std_field_read(request, TFE_HTTP_IF_MODIFIED_SINCE));
 	ctx->req_if_none_match=tfe_strdup(tfe_http_std_field_read(request, TFE_HTTP_IF_NONE_MATCH));
 	promise_set_ctx(p, ctx, cache_pending_ctx_free_cb);
 
 	ATOMIC_INC(&(handle->stat_val[STAT_CACHE_PENDING]));		
 	ctx->f_tango_cache_fetch=future_create("_cache_pend", cache_query_meta_on_succ, cache_query_meta_on_fail, p);
-	int ret=tango_cache_head_object(handle->clients[thread_id], ctx->f_tango_cache_fetch, &meta);
+	ret=tango_cache_head_object(handle->clients[thread_id], ctx->f_tango_cache_fetch, &meta);
 	if(ret<0)
 	{
 		cache_pending_ctx_free_cb(ctx);
-		return PENDING_RESULT_FOBIDDEN;
+		_mid->result=PENDING_RESULT_FOBIDDEN;
+		return _mid->result;
 	}
-	assert(ret==0);
+	_mid->result=PENDING_RESULT_REVALIDATE;
-	return PENDING_RESULT_REVALIDATE;
+	
+	return _mid->result;
 }
 int web_cache_async_query(struct cache_handle* handle, unsigned int thread_id,
-									const struct tfe_http_half * request, struct future* f)
+									const struct tfe_http_half * request, struct cache_mid** mid, struct future* f)
 {
 	struct request_freshness req_fresshness;
 	enum cache_pending_action get_action;	
 	struct cache_query_context* query_ctx=NULL;
 	struct promise* p=NULL;
 	struct future* _f=NULL;
-
+	struct cache_mid* _mid=*mid;
-	get_action=tfe_cache_get_pending(request, &req_fresshness);
+	assert(_mid->result!=PENDING_RESULT_FOBIDDEN);
-	assert(get_action!=FORBIDDEN);
 	
 	if(ATOMIC_READ(&(handle->stat_val[STAT_CACHE_QUERYING])) > ATOMIC_READ(&(handle->put_concurrency_max)))
 	{		
@@ -760,6 +1080,7 @@ int web_cache_async_query(struct cache_handle* handle, unsigned int thread_id,
 	struct tango_cache_meta_get meta;
 	memset(&meta, 0, sizeof(meta));
 	meta.url=request->req_spec.url;
+	meta.get=_mid->req_fresshness;
 	memcpy(&(meta.get), &req_fresshness, sizeof(meta.get));
 	query_ctx=ALLOC(struct cache_query_context, 1);
 	query_ctx->ref_handle=handle;
@@ -800,22 +1121,33 @@ static void wrap_cache_update_on_succ(future_result_t * result, void * user)
 static void wrap_cache_update_on_fail(enum e_future_error err, const char * what, void * user)
 {
 	struct wrap_cache_put_ctx* ctx=(struct wrap_cache_put_ctx*)user;
-	TFE_LOG_DEBUG(ctx->ref_handle->logger, "cache upload failed: %s elapse: %d", ctx->url, time(NULL)-ctx->start);
+	TFE_LOG_DEBUG(ctx->ref_handle->logger, "cache upload failed: %s %s lapse: %d", ctx->url, what, time(NULL)-ctx->start);
 	wrap_cache_put_ctx_free(ctx);
 }
 
 struct cache_update_context* web_cache_update_start(struct cache_handle* handle, unsigned int thread_id, 
-															const struct tfe_http_session * session)
+															const struct tfe_http_session * session, struct cache_mid **mid)
 {
 	struct cache_update_context* update_ctx=NULL;
 	struct response_freshness resp_freshness;
 	enum cache_pending_action put_action;
 	struct tango_cache_ctx *write_ctx=NULL;
-	char cont_len_str[TFE_STRING_MAX]={0}, user_tag_str[TFE_STRING_MAX]={0};
+	char cont_type_str[TFE_STRING_MAX]={0}, user_tag_str[TFE_STRING_MAX]={0};
 	const char* value=NULL;
 	char *tmp=NULL;
 	int i=0, is_undefined_obj=0;
 	size_t content_len=0;
+	const struct cache_param* param=NULL;	
+	struct cache_mid* _mid=*mid;
+	
+	if(_mid!=NULL && _mid->is_using_exception_param)
+	{
+		param=_mid->param;
+	}
+	else
+	{
+		param=&(handle->default_cache_policy);
+	}
 	if(session->resp->resp_spec.content_length)
 	{
 		sscanf(session->resp->resp_spec.content_length, "%lu", &content_len);
@@ -824,19 +1156,24 @@ struct cache_update_context* web_cache_update_start(struct cache_handle* handle,
 	put_action=tfe_cache_put_pending(session->resp, &resp_freshness);
 	switch(put_action){
 		case FORBIDDEN:
+			if(!(param->ignore_res_nocache || param->force_caching))
+			{
 				ATOMIC_INC(&(handle->stat_val[STAT_CACHE_UPLOAD_FORBIDEN]));
 				TFE_LOG_DEBUG(handle->logger, "cache update forbiden: %s", session->req->req_spec.url);
 				return NULL;	
+			}
+			break;
 		case REVALIDATE:
 		case ALLOWED:	
-			break;
 		case UNDEFINED:
-			if(handle->cache_undefined_obj_enabled && content_len<handle->cache_undefined_obj_min_size)
+			if(_mid->shall_bypass 
+				|| content_len > param->max_cache_obj_size
+				|| (!param->cache_cookied_cont && _mid->has_cookie) )
 			{
-				TFE_LOG_DEBUG(handle->logger, "cache update forbiden: %s", session->req->req_spec.url);
+				ATOMIC_INC(&(handle->stat_val[STAT_CACHE_UPLOAD_BYPASS]));
+				TFE_LOG_DEBUG(handle->logger, "cache update bypass: %d : %s", _mid->cfg_id, session->req->req_spec.url);
 				return NULL;
 			}
-			is_undefined_obj=1;
 			break;
 		default:
 			assert(0);
@@ -847,6 +1184,28 @@ struct cache_update_context* web_cache_update_start(struct cache_handle* handle,
 		ATOMIC_INC(&(handle->stat_val[STAT_CACHE_UPLOAD_ABANDON]));	
 		return NULL;
 	}
+	const char* key=NULL;
+	size_t key_len=0;
+	if(param->min_use>0)
+	{
+		if(_mid->cache_key)
+		{
+			key=_mid->cache_key;
+			key_len=strlen(_mid->cache_key);
+		}
+		else
+		{
+			key=session->req->req_spec.url;
+			key_len=strlen(session->req->req_spec.url);
+		}
+		_mid->use_cnt=counting_bloom_check(handle->cache_key_bloom[thread_id].bloom, key, key_len);
+
+		if(_mid->use_cnt<param->min_use)
+		{
+			counting_bloom_add(handle->cache_key_bloom[thread_id].bloom, key, key_len);
+			return NULL;
+		}
+	}
 	ATOMIC_INC(&(handle->stat_val[STAT_CACHE_UPLOADING]));
 	
 	struct tango_cache_meta_put meta;
@@ -854,8 +1213,8 @@ struct cache_update_context* web_cache_update_start(struct cache_handle* handle,
 	meta.url=session->req->req_spec.url;
 	i=0;
 
-	snprintf(cont_len_str, sizeof(cont_len_str), "content-type:%s",session->resp->resp_spec.content_type);
+	snprintf(cont_type_str, sizeof(cont_type_str), "content-type:%s",session->resp->resp_spec.content_type);
-	meta.std_hdr[i]=cont_len_str;
+	meta.std_hdr[i]=cont_type_str;
 	i++;
 	const char* etag=tfe_http_std_field_read(session->resp, TFE_HTTP_ETAG);
 	const char* last_modified=tfe_http_std_field_read(session->resp, TFE_HTTP_LAST_MODIFIED);
@@ -868,6 +1227,7 @@ struct cache_update_context* web_cache_update_start(struct cache_handle* handle,
 		meta.usertag_len=strlen(user_tag_str)+1;
 	}
 	meta.put=resp_freshness;
+	meta.put.timeout=MAX(param->pinning_time_sec, resp_freshness.timeout);
 
 	struct wrap_cache_put_ctx* _cache_put_ctx=ALLOC(struct wrap_cache_put_ctx, 1);
 	_cache_put_ctx->url=tfe_strdup(session->req->req_spec.url);