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/* ISC license. */
#include <sys/uio.h>
#include <string.h>
#include <errno.h>
#include <s6/ftrigr.h>
#include "ftrigr-internal.h"
static int ftrigr_cb (char const *s, size_t len, uint32_t id, void *x)
{
ftrigr_data *p = genalloc_s(ftrigr_data, (genalloc *)x) + id ;
if (!stralloc_catb(&p->sa, s, len)) return errno ;
p->status = 0 ;
return 0 ;
}
int ftrigr_subscribe (ftrigr *a, uint32_t *i, uint32_t flags, uint32_t timeout, char const *path, char const *re, tain const *deadline, tain *stamp)
{
ftrigr_data *p ;
uint32_t id ;
size_t pathlen = strlen(path) ;
size_t relen = strlen(re) ;
struct iovec v[2] =
{
{ .iov_base = (char *)path, .iov_len = pathlen + 1 },
{ .iov_base = (char *)re, .iov_len = relen + 1 }
} ;
if (!sassclient_sendv(&a->client, &id, flags, timeout, 0, v, 2, &ftrigr_cb, &a->data, deadline, stamp)) return 0 ;
if (!genalloc_ready(ftrigr_data, &a->data, id + 1))
{
int e = errno ;
sassclient_cancel(&a->client, id, deadline, stamp) ;
errno = e ;
return 0 ;
}
p = genalloc_s(ftrigr_data, &a->data) + id ;
p->sa.len = 0 ;
p->status = EAGAIN ;
*i = id ;
return 1 ;
}
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