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C-exp-collection/server-exp2/togglest_pool.c

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2026-05-28 08:48:01 +08:00
#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;
}