void* worker(void *arg)
{
int sockfd = ((struct fds *)arg)->sockfd;
int epollfd = ((struct fds *)arg)->epollfd;
printf("start new thread to receive data on fd: %d\n", sockfd);
char buf[BUFFER_SIZE];
memset(buf, '\0', BUFFER_SIZE);
while(1)
{
int ret = recv(sockfd, buf, BUFFER_SIZE-1, 0);
if (ret == 0)
{
close(sockfd);
printf("foreiner closed the connection\n");
break;
}
else if (ret < 0)
{
if (errno == EAGAIN)
{
reset_oneshot(epollfd, sockfd);
printf("read later\n");
break;
}
}
else
{
printf("get content: %s\n", buf);
sleep(5);
}
}
printf("end thread recviving data on fd: %d\n", sockfd);
}
void* worker( void* arg )
{
int sockfd = ( (fds*)arg )->sockfd;
int epollfd = ( (fds*)arg )->epollfd;
//pthread_mutex_t mutex = ( (fds*)arg)->mutex;
//pthread_mutex_lock(&mutex);
printf( "start new thread to receive data on fd: %d\n", sockfd );
char buf[ BUFFER_SIZE ];
memset( buf, '\0', BUFFER_SIZE );
while( 1 )
{
int ret = recv( sockfd, buf, BUFFER_SIZE-1, 0 );
if( ret == 0 )
{
close( sockfd );
printf( "foreiner closed the connection\n" );
break;
}
else if( ret < 0 )
{
if( errno == EAGAIN || errno == EWOULDBLOCK )
{
/* read完后重置EPOLLONESHOT属性 */
reset_oneshot( epollfd, sockfd );
//pthread_mutex_unlock(&mutex);
printf( "read later\n" );
break;
}
}
else
{
printf( "get content: %s\n", buf );
sleep( 5 );
/* EPOLLONESHOT对socked文件描述符是独占的
* 一旦业务逻辑处理事件过长将会导致不会响应下一次read事件
* 导致数据丢失
* 所以这种方法是不可取的
*/
}
}
printf( "end thread receiving data on fd: %d\n", sockfd );
return NULL;
}
