mirror of
https://gitee.com/acl-dev/acl.git
synced 2024-12-16 01:40:52 +08:00
116 lines
2.8 KiB
C++
116 lines
2.8 KiB
C++
#include "stdafx.h"
|
|
|
|
#include <sys/socket.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
|
|
/* Process manager. */
|
|
|
|
#include "trigger.h"
|
|
|
|
#undef __USE_TIMER
|
|
|
|
struct ACL_UNIX_TRIGGER {
|
|
ACL_VSTREAM *stream;
|
|
char *service;
|
|
};
|
|
|
|
/* acl_unix_trigger_event - disconnect from peer */
|
|
|
|
static void acl_unix_trigger_event(int type, ACL_EVENT *event,
|
|
ACL_VSTREAM *stream, void *context)
|
|
{
|
|
const char *myname = "acl_unix_trigger_event";
|
|
struct ACL_UNIX_TRIGGER *up = (struct ACL_UNIX_TRIGGER *) context;
|
|
|
|
/*
|
|
* Disconnect.
|
|
*/
|
|
if (type == ACL_EVENT_TIME)
|
|
acl_msg_warn("%s: read timeout for service %s",
|
|
myname, up->service);
|
|
acl_event_disable_readwrite(event, stream);
|
|
#ifdef __USE_TIMER
|
|
acl_event_cancel_timer(event, acl_unix_trigger_event, up);
|
|
#endif
|
|
if (acl_vstream_close(stream) < 0)
|
|
acl_msg_warn("%s: close %s: %s",
|
|
myname, up->service, strerror(errno));
|
|
acl_myfree(up->service);
|
|
acl_myfree(up);
|
|
}
|
|
|
|
#ifdef __USE_TIMER
|
|
static void acl_unix_trigger_timer(int type, ACL_EVENT *event, void *context)
|
|
{
|
|
struct ACL_UNIX_TRIGGER *up = (struct ACL_UNIX_TRIGGER *) context;
|
|
|
|
acl_unix_trigger_event(type, event, up->stream, context);
|
|
}
|
|
#endif
|
|
|
|
/* acl_unix_trigger - wakeup UNIX-domain server */
|
|
|
|
int acl_unix_trigger(ACL_EVENT *event, const char *service,
|
|
const char *buf, int len, int timeout)
|
|
{
|
|
const char *myname = "acl_unix_trigger";
|
|
struct ACL_UNIX_TRIGGER *up;
|
|
ACL_SOCKET fd;
|
|
|
|
if (acl_msg_verbose > 0)
|
|
acl_msg_info("%s: service %s", myname, service);
|
|
|
|
/*
|
|
* Connect...
|
|
*/
|
|
if ((fd = acl_unix_connect(service, ACL_BLOCKING, timeout)) < 0) {
|
|
if (acl_msg_verbose)
|
|
acl_msg_warn("%s: connect to %s: %s",
|
|
myname, service, strerror(errno));
|
|
return -1;
|
|
}
|
|
acl_close_on_exec(fd, ACL_CLOSE_ON_EXEC);
|
|
|
|
/*
|
|
* Stash away context.
|
|
*/
|
|
up = (struct ACL_UNIX_TRIGGER *) acl_mymalloc(sizeof(*up));
|
|
up->service = acl_mystrdup(service);
|
|
up->stream = acl_vstream_fdopen(fd, O_RDWR, 4096,
|
|
timeout, ACL_VSTREAM_TYPE_LISTEN_UNIX);
|
|
|
|
/*
|
|
* Write the request...
|
|
*/
|
|
if (acl_vstream_writen(up->stream, buf, len) < 0
|
|
|| acl_vstream_writen(up->stream, "", 1) < 0)
|
|
{
|
|
if (acl_msg_verbose)
|
|
acl_msg_warn("%s: write to %s: %s",
|
|
myname, service, strerror(errno));
|
|
}
|
|
|
|
/*
|
|
* Wakeup when the peer disconnects, or when we lose patience.
|
|
*/
|
|
#ifdef __USE_TIMER
|
|
if (timeout > 0)
|
|
acl_event_request_timer(event, acl_unix_trigger_timer,
|
|
(void *) up, (timeout + 100) * 1000000);
|
|
acl_event_enable_read(event, up->stream, 0,
|
|
acl_unix_trigger_event, (void *) up);
|
|
#else
|
|
if (timeout > 0)
|
|
acl_event_enable_read(event, up->stream, timeout + 100,
|
|
acl_unix_trigger_event, (void *) up);
|
|
else
|
|
acl_event_enable_read(event, up->stream, 0,
|
|
acl_unix_trigger_event, (void *) up);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|