124 lines
2.7 KiB
C
124 lines
2.7 KiB
C
#ifndef __TANGO_CACHE_CLIENT_IN_H__
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#define __TANGO_CACHE_CLIENT_IN_H__
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#include <curl/curl.h>
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#include <sys/queue.h>
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#include <event2/event.h>
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#include <event.h>
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#include "tango_cache_client.h"
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#define RESPONSE_HDR_EXPIRES 1
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#define RESPONSE_HDR_LAST_MOD 2
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#define RESPONSE_HDR_ALL 3
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enum CACHE_REQUEST_METHOD
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{
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CACHE_REQUEST_GET=0,
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CACHE_REQUEST_PUT,
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};
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enum GET_OBJECT_STATE
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{
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GET_STATE_START=0,
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GET_STATE_DELETE,
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GET_STATE_END,
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};
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enum PUT_OBJECT_STATE
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{
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PUT_STATE_START=0,
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PUT_STATE_WAIT_START,
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PUT_STATE_PART,
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PUT_STATE_END,
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PUT_STATE_CANCEL,
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};
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struct easy_string
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{
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char* buff;
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size_t len;
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size_t size;
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};
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struct tango_cache_instance
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{
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char minio_hostlist[4096];
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char bucketname[256];
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struct event_base* evbase;
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struct event timer_event;
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struct cache_statistics statistic;
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CURLM *multi_hd;
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void *runtime_log;
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time_t relative_ttl; //缓存的相对有效期
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u_int64_t cache_limit_size;
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long max_cnn_host;
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u_int32_t block_len; //申请buffercache内存的缓存块大小，每次update块大小最好不要超过该值，否则会增加拷贝次数
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u_int32_t upload_block_size; //minio分段上传块的最小长度
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enum CACHE_ERR_CODE error_code;
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u_int32_t hash_object_key;
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};
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struct multipart_etag_list
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{
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char *etag;
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u_int32_t part_number;
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TAILQ_ENTRY(multipart_etag_list) node;
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};
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struct tango_cache_ctx
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{
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CURL *curl;
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struct curl_slist *headers;
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struct future* future;
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char error[CURL_ERROR_SIZE];
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char object_key[256];
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char hostport[24]; //相同ctx使用相同的IP，保证pipeline顺序性
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enum CACHE_REQUEST_METHOD method;
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enum CACHE_ERR_CODE error_code;
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struct evbuffer *evbuffer;
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union{
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enum PUT_OBJECT_STATE put_state;
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enum GET_OBJECT_STATE get_state;
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};
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u_int32_t part_index;
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u_int32_t need_hdrs; //宏RESPONSE_HDR_
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bool fail_state;
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bool close_state; //主动被调用关闭
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long res_code;
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time_t max_age;//Get
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time_t min_fresh;//Get
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time_t expires;
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time_t last_modify;
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size_t upload_length;
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size_t upload_offset;
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char *uploadID;
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char *combine_xml;
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struct easy_string response;
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struct easy_string response_tag;
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TAILQ_HEAD(__etag_list_head, multipart_etag_list) cache_head;
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struct tango_cache_instance *instance;
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};
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struct curl_socket_data
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{
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struct event sock_event;
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};
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void easy_string_savedata(struct easy_string *estr, const char *data, size_t len);
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void easy_string_expand(struct easy_string *estr, size_t to_size);
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void easy_string_destroy(struct easy_string *estr);
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void tango_cache_ctx_destroy(struct tango_cache_ctx *ctx);
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struct tango_cache_ctx *tango_cache_update_prepare(struct tango_cache_instance *instance, struct future* future, struct tango_cache_meta *meta);
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struct tango_cache_ctx *tango_cache_fetch_prepare(struct tango_cache_instance *instance, struct future* future, struct tango_cache_meta *meta);
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#endif
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