static int
vbe_TryConnect(const struct busyobj *bo, int pf,
const struct suckaddr *sa, const struct vdi_simple *vs)
{
int s, i, tmo;
double tmod;
CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
CHECK_OBJ_NOTNULL(vs, VDI_SIMPLE_MAGIC);
s = socket(pf, SOCK_STREAM, 0);
if (s < 0)
return (s);
FIND_TMO(connect_timeout, tmod, bo, vs->vrt);
tmo = (int)(tmod * 1000.0);
i = VTCP_connect(s, sa, tmo);
if (i != 0) {
AZ(close(s));
return (-1);
}
return (s);
}
vdi_simple_getfd(const struct director *d, struct busyobj *bo)
{
struct vdi_simple *vs;
struct vbc *vc;
CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
CHECK_OBJ_NOTNULL(d, DIRECTOR_MAGIC);
CAST_OBJ_NOTNULL(vs, d->priv, VDI_SIMPLE_MAGIC);
vc = vbe_GetVbe(bo, vs);
if (vc != NULL) {
FIND_TMO(first_byte_timeout,
vc->first_byte_timeout, bo, vs->vrt);
FIND_TMO(between_bytes_timeout,
vc->between_bytes_timeout, bo, vs->vrt);
}
return (vc);
}
static struct vbc *
vbe_dir_getfd(struct worker *wrk, struct backend *bp, struct busyobj *bo)
{
struct vbc *vc;
double tmod;
char abuf1[VTCP_ADDRBUFSIZE], abuf2[VTCP_ADDRBUFSIZE];
char pbuf1[VTCP_PORTBUFSIZE], pbuf2[VTCP_PORTBUFSIZE];
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
CHECK_OBJ_NOTNULL(bp, BACKEND_MAGIC);
AN(bp->vsc);
if (!VBE_Healthy(bp, NULL)) {
// XXX: per backend stats ?
VSC_C_main->backend_unhealthy++;
return (NULL);
}
if (bp->max_connections > 0 && bp->n_conn >= bp->max_connections) {
// XXX: per backend stats ?
VSC_C_main->backend_busy++;
return (NULL);
}
AZ(bo->htc);
bo->htc = WS_Alloc(bo->ws, sizeof *bo->htc);
if (bo->htc == NULL)
/* XXX: counter ? */
return (NULL);
bo->htc->doclose = SC_NULL;
FIND_TMO(connect_timeout, tmod, bo, bp);
vc = VBT_Get(bp->tcp_pool, tmod, bp, wrk);
if (vc == NULL) {
// XXX: Per backend stats ?
VSC_C_main->backend_fail++;
bo->htc = NULL;
return (NULL);
}
assert(vc->fd >= 0);
AN(vc->addr);
Lck_Lock(&bp->mtx);
bp->n_conn++;
bp->vsc->conn++;
bp->vsc->req++;
Lck_Unlock(&bp->mtx);
if (bp->proxy_header != 0)
VPX_Send_Proxy(vc->fd, bp->proxy_header, bo->sp);
VTCP_myname(vc->fd, abuf1, sizeof abuf1, pbuf1, sizeof pbuf1);
VTCP_hisname(vc->fd, abuf2, sizeof abuf2, pbuf2, sizeof pbuf2);
VSLb(bo->vsl, SLT_BackendOpen, "%d %s %s %s %s %s",
vc->fd, bp->display_name, abuf2, pbuf2, abuf1, pbuf1);
INIT_OBJ(bo->htc, HTTP_CONN_MAGIC);
bo->htc->priv = vc;
bo->htc->fd = vc->fd;
FIND_TMO(first_byte_timeout,
bo->htc->first_byte_timeout, bo, bp);
FIND_TMO(between_bytes_timeout,
bo->htc->between_bytes_timeout, bo, bp);
return (vc);
}
