vfp_testgzip_begin(struct busyobj *bo, size_t estimate)
{
CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
(void)estimate;
bo->vgz_rx = VGZ_NewUngzip(bo->vsl, "u F -");
CHECK_OBJ_NOTNULL(bo->vgz_rx, VGZ_MAGIC);
XXXAZ(vgz_getmbuf(bo->vgz_rx));
}
vfp_esi_begin(struct busyobj *bo, size_t estimate)
{
struct vef_priv *vef;
CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
(void)estimate;
ALLOC_OBJ(vef, VEF_MAGIC);
XXXAN(vef);
AZ(bo->vef_priv);
bo->vef_priv = vef;
AZ(bo->vgz_rx);
if (bo->is_gzip && bo->do_gunzip) {
bo->vgz_rx = VGZ_NewUngzip(bo->vsl, "U F E");
VEP_Init(bo, NULL);
vef->ibuf_sz = cache_param->gzip_buffer;
} else if (bo->is_gunzip && bo->do_gzip) {
vef->vgz = VGZ_NewGzip(bo->vsl, "G F E");
VEP_Init(bo, vfp_vep_callback);
vef->ibuf_sz = cache_param->gzip_buffer;
} else if (bo->is_gzip) {
bo->vgz_rx = VGZ_NewUngzip(bo->vsl, "U F E");
vef->vgz = VGZ_NewGzip(bo->vsl, "G F E");
VEP_Init(bo, vfp_vep_callback);
vef->ibuf_sz = cache_param->gzip_buffer;
vef->ibuf2_sz = cache_param->gzip_buffer;
} else {
VEP_Init(bo, NULL);
}
if (vef->ibuf_sz > 0) {
vef->ibuf = calloc(1L, vef->ibuf_sz);
XXXAN(vef->ibuf);
vef->ibuf_i = vef->ibuf;
vef->ibuf_o = vef->ibuf;
}
if (vef->ibuf2_sz > 0) {
vef->ibuf2 = calloc(1L, vef->ibuf2_sz);
XXXAN(vef->ibuf2);
}
AN(bo->vep);
}
vfp_esi_begin(struct sess *sp, size_t estimate)
{
struct vef_priv *vef;
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
/* XXX: snapshot WS's ? We'll need the space */
AZ(sp->wrk->vgz_rx);
if (sp->wrk->is_gzip && sp->wrk->do_gunzip) {
sp->wrk->vgz_rx = VGZ_NewUngzip(sp, "U F E");
VEP_Init(sp, NULL);
} else if (sp->wrk->is_gunzip && sp->wrk->do_gzip) {
ALLOC_OBJ(vef, VEF_MAGIC);
AN(vef);
//vef = (void*)WS_Alloc(sp->ws, sizeof *vef);
//memset(vef, 0, sizeof *vef);
//vef->magic = VEF_MAGIC;
vef->vgz = VGZ_NewGzip(sp, "G F E");
AZ(sp->wrk->vef_priv);
sp->wrk->vef_priv = vef;
VEP_Init(sp, vfp_vep_callback);
} else if (sp->wrk->is_gzip) {
sp->wrk->vgz_rx = VGZ_NewUngzip(sp, "U F E");
ALLOC_OBJ(vef, VEF_MAGIC);
AN(vef);
//vef = (void*)WS_Alloc(sp->ws, sizeof *vef);
//memset(vef, 0, sizeof *vef);
//vef->magic = VEF_MAGIC;
vef->vgz = VGZ_NewGzip(sp, "G F E");
AZ(sp->wrk->vef_priv);
sp->wrk->vef_priv = vef;
VEP_Init(sp, vfp_vep_callback);
} else {
AZ(sp->wrk->vef_priv);
VEP_Init(sp, NULL);
}
(void)estimate;
AN(sp->wrk->vep);
}
vfp_esi_begin(struct worker *wrk, size_t estimate)
{
struct busyobj *bo;
struct vef_priv *vef;
(void)estimate;
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
bo = wrk->busyobj;
CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
AZ(bo->vgz_rx);
if (bo->is_gzip && bo->do_gunzip) {
bo->vgz_rx = VGZ_NewUngzip(wrk, "U F E");
VEP_Init(wrk, NULL);
} else if (bo->is_gunzip && bo->do_gzip) {
ALLOC_OBJ(vef, VEF_MAGIC);
AN(vef);
vef->vgz = VGZ_NewGzip(wrk, "G F E");
AZ(bo->vef_priv);
bo->vef_priv = vef;
VEP_Init(wrk, vfp_vep_callback);
} else if (bo->is_gzip) {
bo->vgz_rx = VGZ_NewUngzip(wrk, "U F E");
ALLOC_OBJ(vef, VEF_MAGIC);
AN(vef);
vef->vgz = VGZ_NewGzip(wrk, "G F E");
AZ(bo->vef_priv);
bo->vef_priv = vef;
VEP_Init(wrk, vfp_vep_callback);
} else {
AZ(bo->vef_priv);
VEP_Init(wrk, NULL);
}
AN(bo->vep);
}
vfp_gzip_init(struct vfp_ctx *vc, struct vfp_entry *vfe)
{
struct vgz *vg;
CHECK_OBJ_NOTNULL(vc, VFP_CTX_MAGIC);
CHECK_OBJ_NOTNULL(vfe, VFP_ENTRY_MAGIC);
if (http_HdrIs(vc->http, H_Content_Length, "0")) {
http_Unset(vc->http, H_Content_Encoding);
return (VFP_NULL);
}
if (vfe->vfp->priv2 == VFP_GZIP) {
if (http_GetHdr(vc->http, H_Content_Encoding, NULL))
return (VFP_NULL);
vg = VGZ_NewGzip(vc->wrk->vsl, vfe->vfp->priv1);
} else {
if (!http_HdrIs(vc->http, H_Content_Encoding, "gzip"))
return (VFP_NULL);
vg = VGZ_NewUngzip(vc->wrk->vsl, vfe->vfp->priv1);
}
if (vg == NULL)
return (VFP_ERROR);
vfe->priv1 = vg;
if (vgz_getmbuf(vg))
return (VFP_ERROR);
VGZ_Ibuf(vg, vg->m_buf, 0);
AZ(vg->m_len);
if (vfe->vfp->priv2 == VFP_GUNZIP || vfe->vfp->priv2 == VFP_GZIP) {
http_Unset(vc->http, H_Content_Encoding);
http_Unset(vc->http, H_Content_Length);
RFC2616_Weaken_Etag(vc->http);
}
if (vfe->vfp->priv2 == VFP_GZIP)
http_SetHeader(vc->http, "Content-Encoding: gzip");
if (vfe->vfp->priv2 == VFP_GZIP || vfe->vfp->priv2 == VFP_TESTGUNZIP)
RFC2616_Vary_AE(vc->http);
return (VFP_OK);
}
vfp_gzip_init(struct busyobj *bo, struct vfp_entry *vfe)
{
struct vgz *vg;
CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
CHECK_OBJ_NOTNULL(vfe, VFP_ENTRY_MAGIC);
if (vfe->vfp->priv2)
vg = VGZ_NewGzip(bo->vsl, vfe->vfp->priv1);
else
vg = VGZ_NewUngzip(bo->vsl, vfe->vfp->priv1);
if (vg == NULL)
return (VFP_ERROR);
if (vgz_getmbuf(vg))
return (VFP_ERROR);
vfe->priv1 = vg;
VGZ_Ibuf(vg, vg->m_buf, 0);
AZ(vg->m_len);
return (VFP_OK);
}
VDP_gunzip(struct req *req, enum vdp_action act, void **priv,
const void *ptr, ssize_t len)
{
enum vgzret_e vr;
ssize_t dl;
const void *dp;
struct worker *wrk;
struct vgz *vg;
const char *p;
uint64_t u;
CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
wrk = req->wrk;
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
if (act == VDP_INIT) {
vg = VGZ_NewUngzip(req->vsl, "U D -");
AN(vg);
if (vgz_getmbuf(vg)) {
(void)VGZ_Destroy(&vg);
return (-1);
}
req->res_mode |= RES_GUNZIP;
VGZ_Obuf(vg, vg->m_buf, vg->m_sz);
*priv = vg;
http_Unset(req->resp, H_Content_Encoding);
req->resp_len = -1;
if (req->objcore->boc != NULL)
return (0); /* No idea about length (yet) */
p = ObjGetAttr(req->wrk, req->objcore, OA_GZIPBITS, &dl);
if (p == NULL || dl != 32)
return (0); /* No OA_GZIPBITS yet */
u = vbe64dec(p + 24);
/*
* If the size is non-zero AND we are the top
* VDP (ie: no ESI), we know what size the output will be.
*/
if (u != 0 && VTAILQ_FIRST(&req->vdp)->func == VDP_gunzip)
req->resp_len = u;
return (0);
}
CAST_OBJ_NOTNULL(vg, *priv, VGZ_MAGIC);
AN(vg->m_buf);
if (act == VDP_FINI) {
/* NB: Gunzip'ing may or may not have completed successfully. */
AZ(len);
(void)VGZ_Destroy(&vg);
*priv = NULL;
return (0);
}
if (len == 0)
return (0);
VGZ_Ibuf(vg, ptr, len);
do {
vr = VGZ_Gunzip(vg, &dp, &dl);
vg->m_len += dl;
if (vr < VGZ_OK)
return (-1);
if (vg->m_len == vg->m_sz || vr != VGZ_OK) {
if (VDP_bytes(req, VDP_FLUSH, vg->m_buf, vg->m_len))
return (req->vdp_retval);
vg->m_len = 0;
VGZ_Obuf(vg, vg->m_buf, vg->m_sz);
}
} while (!VGZ_IbufEmpty(vg));
assert(vr == VGZ_STUCK || vr == VGZ_OK || vr == VGZ_END);
return (0);
}
VDP_gunzip(struct req *req, enum vdp_action act, void **priv,
const void *ptr, ssize_t len)
{
enum vgzret_e vr;
ssize_t dl;
const void *dp;
struct worker *wrk;
struct vgz *vg;
char *p;
uint64_t u;
CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
wrk = req->wrk;
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
if (act == VDP_INIT) {
vg = VGZ_NewUngzip(req->vsl, "U D -");
AN(vg);
if (vgz_getmbuf(vg)) {
(void)VGZ_Destroy(&vg);
return (-1);
}
VGZ_Obuf(vg, vg->m_buf, vg->m_sz);
*priv = vg;
http_Unset(req->resp, H_Content_Length);
p = ObjGetattr(req->wrk, req->objcore, OA_GZIPBITS, &dl);
if (p != NULL && dl == 32) {
u = vbe64dec(p + 24);
/* XXX: Zero is suspect: OA_GZIPBITS wasn't set */
if (u != 0)
http_PrintfHeader(req->resp,
"Content-Length: %ju", (uintmax_t)u);
}
http_Unset(req->resp, H_Content_Encoding);
return (0);
}
CAST_OBJ_NOTNULL(vg, *priv, VGZ_MAGIC);
AN(vg->m_buf);
if (act == VDP_FINI) {
/* NB: Gunzip'ing may or may not have completed successfully. */
AZ(len);
(void)VGZ_Destroy(&vg);
*priv = NULL;
return (0);
}
if (len == 0)
return (0);
VGZ_Ibuf(vg, ptr, len);
do {
vr = VGZ_Gunzip(vg, &dp, &dl);
vg->m_len += dl;
if (vr < VGZ_OK)
return (-1);
if (vg->m_len == vg->m_sz || vr != VGZ_OK) {
if (VDP_bytes(req, VDP_FLUSH, vg->m_buf, vg->m_len))
return (-1);
vg->m_len = 0;
VGZ_Obuf(vg, vg->m_buf, vg->m_sz);
}
} while (!VGZ_IbufEmpty(vg));
assert(vr == VGZ_STUCK || vr == VGZ_OK || vr == VGZ_END);
return (0);
}
void
V1D_Deliver(struct req *req)
{
char *r;
CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
CHECK_OBJ_NOTNULL(req->obj, OBJECT_MAGIC);
CHECK_OBJ_NOTNULL(req->obj->objcore, OBJCORE_MAGIC);
req->res_mode = 0;
if (!req->disable_esi && req->obj->esidata != NULL) {
/* In ESI mode, we can't know the aggregate length */
req->res_mode &= ~RES_LEN;
req->res_mode |= RES_ESI;
} else if (req->resp->status == 304) {
req->res_mode &= ~RES_LEN;
http_Unset(req->resp, H_Content_Length);
req->wantbody = 0;
} else if (req->obj->objcore->busyobj == NULL) {
/* XXX: Not happy with this convoluted test */
req->res_mode |= RES_LEN;
if (!(req->obj->objcore->flags & OC_F_PASS) ||
req->obj->len != 0) {
http_Unset(req->resp, H_Content_Length);
http_PrintfHeader(req->resp,
"Content-Length: %zd", req->obj->len);
}
}
if (req->esi_level > 0) {
/* Included ESI object, always CHUNKED or EOF */
req->res_mode &= ~RES_LEN;
req->res_mode |= RES_ESI_CHILD;
}
if (cache_param->http_gzip_support && req->obj->gziped &&
!RFC2616_Req_Gzip(req->http)) {
/*
* We don't know what it uncompresses to
* XXX: we could cache that, but would still deliver
* XXX: with multiple writes because of the gunzip buffer
*/
req->res_mode &= ~RES_LEN;
req->res_mode |= RES_GUNZIP;
}
if (!(req->res_mode & (RES_LEN|RES_CHUNKED|RES_EOF))) {
/* We havn't chosen yet, do so */
if (!req->wantbody) {
/* Nothing */
} else if (req->http->protover >= 11) {
req->res_mode |= RES_CHUNKED;
} else {
req->res_mode |= RES_EOF;
req->doclose = SC_TX_EOF;
}
}
VSLb(req->vsl, SLT_Debug, "RES_MODE %x", req->res_mode);
if (!(req->res_mode & RES_LEN))
http_Unset(req->resp, H_Content_Length);
if (req->res_mode & RES_GUNZIP)
http_Unset(req->resp, H_Content_Encoding);
if (req->res_mode & RES_CHUNKED)
http_SetHeader(req->resp, "Transfer-Encoding: chunked");
http_SetHeader(req->resp,
req->doclose ? "Connection: close" : "Connection: keep-alive");
req->vdps[0] = v1d_bytes;
req->vdp_nxt = 0;
if (
req->wantbody &&
!(req->res_mode & (RES_ESI|RES_ESI_CHILD)) &&
cache_param->http_range_support &&
req->obj->response == 200) {
http_SetHeader(req->resp, "Accept-Ranges: bytes");
if (http_GetHdr(req->http, H_Range, &r))
v1d_dorange(req, r);
}
if (req->res_mode & RES_ESI)
RFC2616_Weaken_Etag(req->resp);
WRW_Reserve(req->wrk, &req->sp->fd, req->vsl, req->t_resp);
/*
* Send HTTP protocol header, unless interior ESI object
*/
if (!(req->res_mode & RES_ESI_CHILD))
req->acct_req.hdrbytes += HTTP1_Write(req->wrk, req->resp, 1);
if (req->res_mode & RES_CHUNKED)
WRW_Chunked(req->wrk);
if (!req->wantbody) {
/* This was a HEAD or conditional request */
} else if (req->res_mode & RES_ESI) {
AZ(req->obj->objcore->busyobj);
ESI_Deliver(req);
} else if (req->res_mode & RES_ESI_CHILD && req->gzip_resp) {
while (req->obj->objcore->busyobj)
(void)usleep(10000);
ESI_DeliverChild(req);
} else if (req->res_mode & RES_GUNZIP ||
(req->res_mode & RES_ESI_CHILD &&
!req->gzip_resp && req->obj->gziped)) {
VDP_push(req, VDP_gunzip);
req->vgz = VGZ_NewUngzip(req->vsl, "U D -");
AZ(VGZ_WrwInit(req->vgz));
v1d_WriteDirObj(req);
(void)VGZ_Destroy(&req->vgz);
VDP_pop(req, VDP_gunzip);
} else {
v1d_WriteDirObj(req);
}
if (req->res_mode & RES_CHUNKED && !(req->res_mode & RES_ESI_CHILD))
WRW_EndChunk(req->wrk);
if (WRW_FlushRelease(req->wrk) && req->sp->fd >= 0)
SES_Close(req->sp, SC_REM_CLOSE);
}
static int
cnt_streambody(struct sess *sp)
{
int i;
struct stream_ctx sctx;
uint8_t obuf[sp->wrk->res_mode & RES_GUNZIP ?
cache_param->gzip_stack_buffer : 1];
struct worker *wrk;
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
wrk = sp->wrk;
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
CHECK_OBJ_NOTNULL(wrk->busyobj, BUSYOBJ_MAGIC);
memset(&sctx, 0, sizeof sctx);
sctx.magic = STREAM_CTX_MAGIC;
AZ(wrk->sctx);
wrk->sctx = &sctx;
if (wrk->res_mode & RES_GUNZIP) {
sctx.vgz = VGZ_NewUngzip(wrk, "U S -");
sctx.obuf = obuf;
sctx.obuf_len = sizeof (obuf);
}
RES_StreamStart(sp);
AssertObjCorePassOrBusy(wrk->obj->objcore);
i = FetchBody(wrk, wrk->obj);
http_Setup(wrk->busyobj->bereq, NULL);
http_Setup(wrk->busyobj->beresp, NULL);
wrk->busyobj->vfp = NULL;
AZ(wrk->busyobj->vbc);
AN(sp->director);
if (!i && wrk->obj->objcore != NULL) {
EXP_Insert(wrk->obj);
AN(wrk->obj->objcore);
AN(wrk->obj->objcore->ban);
HSH_Unbusy(wrk);
} else {
sp->doclose = "Stream error";
}
wrk->acct_tmp.fetch++;
sp->director = NULL;
sp->restarts = 0;
RES_StreamEnd(sp);
if (wrk->res_mode & RES_GUNZIP)
(void)VGZ_Destroy(&sctx.vgz, sp->vsl_id);
wrk->sctx = NULL;
assert(WRW_IsReleased(wrk));
assert(wrk->wrw.ciov == wrk->wrw.siov);
(void)HSH_Deref(wrk, NULL, &wrk->obj);
VBO_DerefBusyObj(wrk, &wrk->busyobj);
http_Setup(wrk->resp, NULL);
sp->step = STP_DONE;
return (0);
}
