static ssize_t
vfp_vep_callback(struct vfp_ctx *vc, void *priv, ssize_t l, enum vgz_flag flg)
{
struct vef_priv *vef;
ssize_t dl;
const void *dp;
uint8_t *ptr;
int i;
CHECK_OBJ_NOTNULL(vc, VFP_CTX_MAGIC);
CAST_OBJ_NOTNULL(vef, priv, VEF_MAGIC);
assert(l >= 0);
if (vef->error) {
vef->tot += l;
return (vef->tot);
}
/*
* l == 0 is valid when 'flg' calls for action, but in the
* normal case we can just ignore a l==0 request.
* (It would cause Z_BUF_ERROR anyway)
*/
if (l == 0 && flg == VGZ_NORMAL)
return (vef->tot);
CHECK_OBJ_NOTNULL(vc->bo, BUSYOBJ_MAGIC);
VGZ_Ibuf(vef->vgz, vef->ibuf_o, l);
do {
dl = 0;
if (VFP_GetStorage(vc, &dl, &ptr) != VFP_OK) {
vef->error = ENOMEM;
vef->tot += l;
return (vef->tot);
}
VGZ_Obuf(vef->vgz, ptr, dl);
i = VGZ_Gzip(vef->vgz, &dp, &dl, flg);
VGZ_UpdateObj(vc, vef->vgz, VUA_UPDATE);
if (dl > 0) {
vef->tot += dl;
VFP_Extend(vc, dl);
}
} while (i != VGZ_ERROR &&
(!VGZ_IbufEmpty(vef->vgz) || VGZ_ObufFull(vef->vgz)));
assert(i == VGZ_ERROR || VGZ_IbufEmpty(vef->vgz));
vef->ibuf_o += l;
return (vef->tot);
}
static ssize_t
vfp_vep_callback(struct busyobj *bo, ssize_t l, enum vgz_flag flg)
{
struct vef_priv *vef;
size_t dl;
const void *dp;
int i;
CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
vef = bo->vef_priv;
CHECK_OBJ_NOTNULL(vef, VEF_MAGIC);
assert(l >= 0);
if (vef->error) {
vef->tot += l;
return (vef->tot);
}
/*
* l == 0 is valid when 'flg' calls for action, but in the
* normal case we can just ignore a l==0 request.
* (It would cause Z_BUF_ERROR anyway)
*/
if (l == 0 && flg == VGZ_NORMAL)
return (vef->tot);
VGZ_Ibuf(vef->vgz, vef->ibuf_o, l);
do {
if (VGZ_ObufStorage(bo, vef->vgz)) {
vef->error = ENOMEM;
vef->tot += l;
return (vef->tot);
}
i = VGZ_Gzip(vef->vgz, &dp, &dl, flg);
vef->tot += dl;
VBO_extend(bo, dl);
} while (!VGZ_IbufEmpty(vef->vgz) ||
(flg != VGZ_NORMAL && VGZ_ObufFull(vef->vgz)));
assert(VGZ_IbufEmpty(vef->vgz));
vef->ibuf_o += l;
if (flg == VGZ_FINISH)
assert(i == 1); /* XXX */
else
assert(i == 0); /* XXX */
return (vef->tot);
}
static ssize_t
vfp_vep_callback(struct busyobj *bo, void *priv, ssize_t l, enum vgz_flag flg)
{
struct vef_priv *vef;
size_t dl;
const void *dp;
struct storage *st;
int i;
CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
CAST_OBJ_NOTNULL(vef, priv, VEF_MAGIC);
assert(l >= 0);
if (vef->error) {
vef->tot += l;
return (vef->tot);
}
/*
* l == 0 is valid when 'flg' calls for action, but in the
* normal case we can just ignore a l==0 request.
* (It would cause Z_BUF_ERROR anyway)
*/
if (l == 0 && flg == VGZ_NORMAL)
return (vef->tot);
VGZ_Ibuf(vef->vgz, vef->ibuf_o, l);
do {
st = VFP_GetStorage(bo, 0);
if (st == NULL) {
vef->error = ENOMEM;
vef->tot += l;
return (vef->tot);
}
VGZ_Obuf(vef->vgz, st->ptr + st->len, st->space - st->len);
i = VGZ_Gzip(vef->vgz, &dp, &dl, flg);
vef->tot += dl;
VBO_extend(bo, dl);
} while (i != VGZ_ERROR &&
(!VGZ_IbufEmpty(vef->vgz) || VGZ_ObufFull(vef->vgz)));
assert(i == VGZ_ERROR || VGZ_IbufEmpty(vef->vgz));
vef->ibuf_o += l;
return (vef->tot);
}
static ssize_t
vfp_vep_callback(struct worker *wrk, ssize_t l, enum vgz_flag flg)
{
struct vef_priv *vef;
size_t dl, px;
const void *dp;
int i;
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
CHECK_OBJ_NOTNULL(wrk->busyobj, BUSYOBJ_MAGIC);
vef = wrk->busyobj->vef_priv;
CHECK_OBJ_NOTNULL(vef, VEF_MAGIC);
assert(l >= 0);
if (vef->error) {
vef->tot += l;
return (vef->tot);
}
/*
* l == 0 is valid when 'flg' calls for action, but in the
* normal case we can just ignore a l==0 request.
* (It would cause Z_BUF_ERROR anyway)
*/
if (l == 0 && flg == VGZ_NORMAL)
return (vef->tot);
do {
px = vef->npend;
if (l < px)
px = l;
if (px != 0) {
VGZ_Ibuf(vef->vgz, vef->pending, px);
l -= px;
} else {
VGZ_Ibuf(vef->vgz, vef->bufp, l);
vef->bufp += l;
l = 0;
}
do {
if (VGZ_ObufStorage(wrk, vef->vgz)) {
vef->error = ENOMEM;
vef->tot += l;
return (vef->tot);
}
i = VGZ_Gzip(vef->vgz, &dp, &dl, flg);
vef->tot += dl;
wrk->busyobj->fetch_obj->len += dl;
} while (!VGZ_IbufEmpty(vef->vgz) ||
(flg != VGZ_NORMAL && VGZ_ObufFull(vef->vgz)));
if (px != 0) {
memmove(vef->pending, vef->pending + px,
vef->npend - px);
vef->npend -= px;
}
} while (l > 0);
if (flg == VGZ_FINISH)
assert(i == 1); /* XXX */
else
assert(i == 0); /* XXX */
return (vef->tot);
}
