#include "common.h"
#include "pool.h"

#define NTHREADS   4
#define SBUFSIZE   16

void toggle(int conn_sock,int hit);
void *serve_client(void *vargp);

void toggle(int conn_sock,int hit) 
{
    size_t n; int i,no=0;
    char buf[MAXLINE]; 

    //printf("线程%d服务第%d个客户请求通信开始\n",tid,hit);
    while((n =recv(conn_sock, buf, MAXLINE,0))> 0) {
	printf("toggle服务器收到第%d个客户第%d个消息,长度为%d字节\n", hit,++no,(int)n);

        for(i=0; i<n; i++)
            if(isupper(buf[i])) 
                buf[i]=tolower(buf[i]);
            else if(islower(buf[i]))
                buf[i]=toupper(buf[i]);
        sleep(1);      
	send (conn_sock, buf, n, 0);
    }
    //printf("线程%d服务第%d个客户请求通信结束\n",tid,hit);
}

//示例任务 
void handle_request(int sock, int taskid, int tid) {

    printf("线程%d服务第%d个客户通信开始\n",tid,taskid);
    //usleep(1);
    toggle(sock,taskid);
    printf("线程%d服务第%d个客户通信结束\n",tid,taskid);
    close(sock);
}

int main(int argc, char **argv) {

    int listen_sock, conn_sock, port,i; 
    struct sockaddr_in clientaddr; 
    struct hostent *hp;
    char *haddrp;
    int hit;
 
    int nth[NTHREADS];
    
    socklen_t clientlen=sizeof(struct sockaddr_in);

    pthread_t tid; 

    if (argc != 2) {
	    fprintf(stderr, "usage: %s <port>\n", argv[0]);
	    exit(1);
    }
    
    listen_sock = open_listen_sock(port);
    if( listen_sock==-1) {
    	printf("端口号%d繁忙\n",port);
    	exit(1);
    }    
    
    port = atoi(argv[1]);
    
    listen_sock = open_listen_sock(port);
    if( listen_sock==-1) {
    	printf("端口号%d繁忙\n",port);
    	exit(1);
    }

    printf("start main\n");
    // 初始化线程池
    threadpool* pool = initThreadPool(NTHREADS);

    // 创建示例任务并将其添加到线程池
        for (hit=1; ; hit++) { 
	    conn_sock = accept(listen_sock, (SA *) &clientaddr, &clientlen);
	    
           /* determine the domain name and IP address of the client */
	    hp = gethostbyaddr((const char *)&clientaddr.sin_addr.s_addr, 
			   sizeof(clientaddr.sin_addr.s_addr), AF_INET);
	    haddrp = inet_ntoa(clientaddr.sin_addr);
	    //printf("server connected to %s (%s)\n", hp->h_name, haddrp);
	    
            task* new_task = (task*)malloc(sizeof(task));
            new_task->function = handle_request;  // 假设任务函数为 toggle
            new_task->taskid = hit;  // 任务参数，假设为 socket fd 或其他参数
            new_task->sock=conn_sock;

	    addTaskToThreadPool(pool, new_task); /* Insert conn_sock in task pool */
    }
    
    // 等待线程池中的所有任务执行完毕
    waitThreadPool(pool);

    // 销毁线程池
    destroyThreadPool(pool);

    printf("stop main\n");

    return 0;
}