bufferevent客户端发送文件并处理超时和断开事件

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <ctype.h>
#include <strings.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include <event2/event_struct.h>
#include <fcntl.h>
#include <event.h>
#include <event2/listener.h>
#include <event2/bufferevent_struct.h>
#include <event2/event-config.h>
#include <event2/event.h>
#include <errno.h>
#include <sys/socket.h>
#include <string.h>

//bufferevent_settimeout();设置断开事件
void read_cb(struct bufferevent *bev, void *arg)
{
    printf("read\n");
}
void write_cb(struct bufferevent *bev, void *arg)
{
    printf("write_cb\n");
    //
    FILE *fp=(FILE*)arg;
    char data[1024]={0};
    int len=fread(data,1,sizeof(data)-1,fp);
    if(len <=0)
    {
        fclose(fp);
        //立刻清零可能回造成缓冲数据没有发送请求
       // bufferevent_free(bev);
        bufferevent_disable(bev,EV_WRITE);
        return ;
    }else printf("%s\n",data);
    //输出到buffer缓冲
    //bufferevent_write(bev,data,len);
}
void event_cb(struct bufferevent *bev, short what, void *arg)
{
     printf("event_cb\n");
     if(what&BEV_EVENT_TIMEOUT&&what&BEV_EVENT_READING)
     {
         printf("time out\n");
         bufferevent_free(bev);
         return;
     }else if(what &BEV_EVENT_ERROR){
                  printf("BEV_EVENT_ERROR\n");

         bufferevent_free(bev);
         return;

     }else if(what &BEV_EVENT_EOF)
     {//服务器关闭
         printf("server close\n");
         bufferevent_free(bev);
     }
     if(what&BEV_EVENT_CONNECTED)
     {//成功连接
         printf("connect sueccess\n");
//触发write
        bufferevent_trigger(bev,EV_WRITE,0);
     }
}
void listeb_cb(struct evconnlistener *ev, evutil_socket_t fd, struct sockaddr *addr, int socklen, void *arg)

{

}
int main(int argc,char *argv[])
{

    struct event_config *evconfig=event_config_new();

    struct event_base *base=event_base_new_with_config(evconfig);
    event_config_free(evconfig);//释放配置
    if(!base)
    {
        perror("event base error");
        exit(1);
    }
    if(signal(SIGPIPE,SIG_IGN)==SIG_ERR)
        return 1;
    // 获取当前网络模型
    printf("current net methods:%s\n",    event_base_get_method(base));
    //-1内部创建socket
    struct bufferevent *bev=bufferevent_socket_new(base,-1,BEV_OPT_CLOSE_ON_FREE);

    struct sockaddr_in sin;
    memset(&sin,0,sizeof(sin));
    sin.sin_family=AF_INET;
    sin.sin_port=htons(8888);
   // sin.sin_addr.s_addr=inet_addr("127.0.0.1");
    evutil_inet_pton(AF_INET,"127.0.0.1",&sin.sin_addr.s_addr);
    FILE *fp=fopen("client.c","rb");
    //设置回调函数
    bufferevent_setcb(bev,read_cb,write_cb,event_cb,fp);
     bufferevent_enable(bev,EV_READ|EV_WRITE);
     int ret=bufferevent_socket_connect(bev,(struct sockaddr*)&sin,sizeof(sin));
     if(ret<0)
     {
         printf("connect error\n");
         exit(1);

     }

    event_base_dispatch(base);
    event_base_free(base);



}