mirror of
https://gitee.com/acl-dev/acl.git
synced 2024-12-06 05:49:34 +08:00
9697f95b8f
This reverts commit 15d999759e
.
165 lines
3.7 KiB
C
165 lines
3.7 KiB
C
#include "lib_acl.h"
|
|
|
|
typedef struct {
|
|
ACL_VSTREAM *in;
|
|
ACL_VSTRING *buf;
|
|
ACL_EVENT *event;
|
|
} STREAM_IN;
|
|
|
|
static void trigger_event(int event_type acl_unused,
|
|
ACL_EVENT *event acl_unused, void *context acl_unused)
|
|
{
|
|
printf("timer trigger now\r\n");
|
|
|
|
printf("please input: ");
|
|
fflush(stdout);
|
|
}
|
|
|
|
static int __stop_event = 0;
|
|
|
|
static STREAM_IN *create_stream(ACL_EVENT *eventp)
|
|
{
|
|
STREAM_IN *in = (STREAM_IN*) acl_mymalloc(sizeof(STREAM_IN));
|
|
|
|
in->in = acl_vstream_fhopen(fileno(stdin), 0); /* 用标准输入做为输入流 */
|
|
in->buf = acl_vstring_alloc(256);
|
|
in->event = eventp;
|
|
return in;
|
|
}
|
|
|
|
static void free_stream(STREAM_IN *in)
|
|
{
|
|
acl_vstream_free(in->in);
|
|
acl_vstring_free(in->buf);
|
|
acl_myfree(in);
|
|
}
|
|
|
|
static void read_callback(int event_type acl_unused, ACL_EVENT *event,
|
|
ACL_VSTREAM *stream, void *context)
|
|
{
|
|
STREAM_IN *in = (STREAM_IN *) context;
|
|
int ready;
|
|
|
|
acl_assert(in->in == stream);
|
|
acl_assert(in->event == event);
|
|
|
|
/* 尝试从输入流中读取一行数据,并且要求去掉尾部的回车换行符 */
|
|
if (acl_vstream_gets_nonl_peek(stream, in->buf, &ready) == ACL_VSTREAM_EOF)
|
|
{
|
|
acl_event_disable_read(event, stream);
|
|
printf(">>>>gets error\r\n");
|
|
free_stream(in);
|
|
__stop_event = 1;
|
|
} else if (ready) {
|
|
#define STR acl_vstring_str
|
|
|
|
/* 如果读到完整的一行数据,则显示之 */
|
|
printf(">>>>gets one line: %s\r\n", STR(in->buf));
|
|
|
|
if (strcasecmp(STR(in->buf), "QUIT") == 0) {
|
|
__stop_event = 1;
|
|
free_stream(in);
|
|
} else {
|
|
printf("please input: ");
|
|
fflush(stdout);
|
|
ACL_VSTRING_RESET(in->buf); /* 清空缓冲区 */
|
|
}
|
|
}
|
|
}
|
|
|
|
static void usage(const char *procname)
|
|
{
|
|
printf("usage: %s -h [help]\r\n"
|
|
" -M [printf time meter]\r\n"
|
|
" -t select|poll|kernel [default: select]\r\n"
|
|
" -s delay_sec [defaut: 1]\r\n"
|
|
" -u delay_usec [default: 0]\r\n"
|
|
" -m timer_delay [default: 100 microsecond, disable timer if < 0]\r\n"
|
|
" -k [if timer keep on, default: 1]\r\n", procname);
|
|
}
|
|
|
|
int main(int argc acl_unused, char *argv[] acl_unused)
|
|
{
|
|
ACL_EVENT *eventp;
|
|
STREAM_IN *in;
|
|
char event_type[64];
|
|
int ch, delay_sec = 1, delay_usec = 0;
|
|
int timer_delay = 100, timer_keep = 0;
|
|
int meter = 0;
|
|
|
|
/* 初始化 acl 库 */
|
|
acl_lib_init();
|
|
|
|
/* 将错误日志输出至标准输出 */
|
|
acl_msg_stdout_enable(1);
|
|
|
|
event_type[0] = 0;
|
|
|
|
while ((ch = getopt(argc, argv, "ht:s:u:m:kM")) > 0) {
|
|
switch (ch) {
|
|
case 'h':
|
|
usage(argv[0]);
|
|
return 0;
|
|
case 't':
|
|
ACL_SAFE_STRNCPY(event_type, optarg, sizeof(event_type));
|
|
break;
|
|
case 's':
|
|
delay_sec = atoi(optarg);
|
|
if (delay_sec < 0)
|
|
delay_sec = 0;
|
|
break;
|
|
case 'u':
|
|
delay_usec = atoi(optarg);
|
|
if (delay_usec < 0)
|
|
delay_usec = 0;
|
|
break;
|
|
case 'm':
|
|
timer_delay = atoi(optarg);
|
|
break;
|
|
case 'k':
|
|
timer_keep = 1;
|
|
break;
|
|
case 'M':
|
|
meter = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* 创建非阻塞事件引擎 */
|
|
if (strcasecmp(event_type, "kernel") == 0)
|
|
eventp = acl_event_new_kernel(delay_sec, delay_usec);
|
|
else if (strcasecmp(event_type, "poll") == 0)
|
|
eventp = acl_event_new_poll(delay_sec, delay_usec);
|
|
else
|
|
eventp = acl_event_new_select(delay_sec, delay_usec);
|
|
|
|
if (timer_delay >= 0)
|
|
acl_event_request_timer(eventp, trigger_event, NULL,
|
|
timer_delay, timer_keep);
|
|
|
|
/* 创建输入流对象 */
|
|
in = create_stream(eventp);
|
|
|
|
/* 将标准输入置入异步 IO 监听事件中 */
|
|
acl_event_enable_read(eventp, in->in, 0, read_callback, in);
|
|
|
|
printf("begin wait input from standard in\r\n");
|
|
|
|
/* 进行事件循环中 */
|
|
while (!__stop_event) {
|
|
if (meter)
|
|
ACL_METER_TIME("begin event");
|
|
acl_event_loop(eventp);
|
|
if (meter)
|
|
ACL_METER_TIME("end event");
|
|
}
|
|
|
|
/* 释放事件引擎 */
|
|
acl_event_free(eventp);
|
|
|
|
printf("event stopped!\r\n");
|
|
return (0);
|
|
}
|