55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
#ifndef _HTTPDNS_
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#define _HTTPDNS_
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/epoll.h>
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#include <signal.h>
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#include "conf.h"
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#define DNS_MAX_CONNECTION 256 //此值的大小关系到respod_clients函数的效率
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#define DATA_SIZE 512
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#define HTTP_RSP_SIZE 1024
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typedef struct dns_connection {
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char dns_req[DATA_SIZE];
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struct sockaddr_in src_addr;
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char *reply; //回应内容
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char *http_request, *host;
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unsigned int http_request_len, dns_rsp_len;
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int fd;
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char query_type;
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unsigned host_len :7; //域名最大长度64位
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unsigned wait_response_client :1; //已构建好DNS回应，等待可写事件
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} dns_t;
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struct dns_cache {
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int question_len;
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char *question;
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char *answer;
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struct dns_cache *next;
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};
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extern dns_t dns_list[DNS_MAX_CONNECTION];
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extern struct epoll_event evs[DNS_MAX_CONNECTION+1], event;
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void *httpdns_loop(void *p);
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int httpdns_initialize(conf * configure);
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#endif
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