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MEDIUM: checks: don't use FD_WAIT_* anymore

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make use of fd_poll_* instead in preparation for a later adoption by the
connection subsystem.
This commit is contained in:
Willy Tarreau 2012-08-17 23:53:56 +02:00
parent afad0e0f80
commit 3267d36c84
1 changed files with 12 additions and 19 deletions
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31
src/checks.c
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@ -763,10 +763,8 @@ static int httpchk_build_status_header(struct server *s, char *buffer)
* the connection acknowledgement. If the proxy requires L7 health-checks,
* it sends the request. In other cases, it calls set_server_check_status()
* to set s->check_status, s->check_duration and s->result.
* The function itself returns 0 if it needs some polling before being called
* again, otherwise 1.
*/
static int event_srv_chk_w(int fd)
static void event_srv_chk_w(int fd)
{
__label__ out_wakeup, out_nowake, out_poll, out_error;
struct task *t = fdtab[fd].owner;
@ -880,12 +878,13 @@ static int event_srv_chk_w(int fd)
out_nowake:
fd_stop_send(fd); /* nothing more to write */
fdtab[fd].ev &= ~FD_POLL_OUT;
return 1;
return;
out_poll:
/* The connection is still pending. We'll have to poll it
* before attempting to go further. */
fdtab[fd].ev &= ~FD_POLL_OUT;
return 0;
fd_poll_send(fd);
return;
out_error:
s->check_conn->flags |= CO_FL_ERROR;
goto out_wakeup;
@ -905,11 +904,8 @@ static int event_srv_chk_w(int fd)
* distinguish between an SSL server and a pure TCP relay). All other cases will
* call it with a proper error status like HCHK_STATUS_L7STS, HCHK_STATUS_L6RSP,
* etc.
*
* The function returns 0 if it needs to be called again after some polling,
* otherwise non-zero..
*/
static int event_srv_chk_r(int fd)
static void event_srv_chk_r(int fd)
{
__label__ out_wakeup;
int len;
@ -1242,30 +1238,27 @@ static int event_srv_chk_r(int fd)
fd_stop_recv(fd);
task_wakeup(t, TASK_WOKEN_IO);
fdtab[fd].ev &= ~FD_POLL_IN;
return 1;
return;
wait_more_data:
fdtab[fd].ev &= ~FD_POLL_IN;
return 0;
fd_poll_recv(fd);
}
/* I/O call back for the health checks. Returns FD_WAIT_*. */
/* I/O call back for the health checks. Returns 0. */
static int check_iocb(int fd)
{
int ret = 0;
int e;
if (!fdtab[fd].owner)
return ret;
return 0;
e = fdtab[fd].ev;
if (e & (FD_POLL_IN | FD_POLL_HUP | FD_POLL_ERR))
if (!event_srv_chk_r(fd))
ret |= FD_WAIT_READ;
event_srv_chk_r(fd);
if (e & (FD_POLL_OUT | FD_POLL_ERR))
if (!event_srv_chk_w(fd))
ret |= FD_WAIT_WRITE;
return ret;
event_srv_chk_w(fd);
return 0;
}
/*