static int
cnt_deliver(struct sess *sp)
{
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
CHECK_OBJ_NOTNULL(sp->obj, OBJECT_MAGIC);
CHECK_OBJ_NOTNULL(sp->vcl, VCL_CONF_MAGIC);
sp->t_resp = TIM_real();
if (sp->obj->objhead != NULL) {
if ((sp->t_resp - sp->obj->last_lru) > params->lru_timeout &&
EXP_Touch(sp->obj))
sp->obj->last_lru = sp->t_resp; /* XXX: locking ? */
sp->obj->last_use = sp->t_resp; /* XXX: locking ? */
}
sp->wrk->resp = &sp->wrk->http[2];
http_Setup(sp->wrk->resp, sp->wrk->ws);
RES_BuildHttp(sp);
VCL_deliver_method(sp);
switch (sp->handling) {
case VCL_RET_DELIVER:
break;
case VCL_RET_RESTART:
INCOMPL();
break;
default:
WRONG("Illegal action in vcl_deliver{}");
}
sp->director = NULL;
sp->restarts = 0;
RES_WriteObj(sp);
AZ(sp->wrk->wfd);
HSH_Deref(sp->wrk, &sp->obj);
sp->wrk->resp = NULL;
sp->step = STP_DONE;
return (0);
}
static int
cnt_prepresp(struct worker *wrk, struct req *req)
{
struct busyobj *bo;
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
bo = req->busyobj;
CHECK_OBJ_ORNULL(bo, BUSYOBJ_MAGIC);
CHECK_OBJ_NOTNULL(req->obj, OBJECT_MAGIC);
CHECK_OBJ_NOTNULL(req->vcl, VCL_CONF_MAGIC);
req->res_mode = 0;
if (bo == NULL) {
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 {
req->res_mode |= RES_LEN;
}
} else {
AZ(bo->do_esi);
}
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
*/
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;
}
}
req->t_resp = W_TIM_real(wrk);
if (req->obj->objcore->objhead != NULL) {
if ((req->t_resp - req->obj->last_lru) >
cache_param->lru_timeout &&
EXP_Touch(req->obj->objcore))
req->obj->last_lru = req->t_resp;
if (!cache_param->obj_readonly)
req->obj->last_use = req->t_resp; /* XXX: locking ? */
}
HTTP_Setup(req->resp, req->ws, req->vsl, HTTP_Resp);
RES_BuildHttp(req);
VCL_deliver_method(req);
switch (req->handling) {
case VCL_RET_DELIVER:
break;
case VCL_RET_RESTART:
if (req->restarts >= cache_param->max_restarts)
break;
if (bo != NULL) {
AN(bo->do_stream);
(void)HSH_Deref(&wrk->stats, NULL, &req->obj);
VBO_DerefBusyObj(wrk, &req->busyobj);
} else {
(void)HSH_Deref(&wrk->stats, NULL, &req->obj);
}
AZ(req->obj);
http_Teardown(req->resp);
req->req_step = R_STP_RESTART;
return (0);
default:
WRONG("Illegal action in vcl_deliver{}");
}
req->req_step = R_STP_DELIVER;
return (0);
}
static int
cnt_prepresp(struct sess *sp)
{
struct worker *wrk;
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
wrk = sp->wrk;
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
CHECK_OBJ_NOTNULL(wrk->obj, OBJECT_MAGIC);
CHECK_OBJ_NOTNULL(sp->vcl, VCL_CONF_MAGIC);
if (wrk->busyobj != NULL) {
CHECK_OBJ_NOTNULL(wrk->busyobj, BUSYOBJ_MAGIC);
AN(wrk->busyobj->do_stream);
AssertObjCorePassOrBusy(wrk->obj->objcore);
}
wrk->res_mode = 0;
if (wrk->busyobj == NULL)
wrk->res_mode |= RES_LEN;
if (wrk->busyobj != NULL &&
(wrk->busyobj->h_content_length != NULL ||
!wrk->busyobj->do_stream) &&
!wrk->busyobj->do_gzip && !wrk->busyobj->do_gunzip)
wrk->res_mode |= RES_LEN;
if (!sp->disable_esi && wrk->obj->esidata != NULL) {
/* In ESI mode, we don't know the aggregate length */
wrk->res_mode &= ~RES_LEN;
wrk->res_mode |= RES_ESI;
}
if (sp->esi_level > 0) {
wrk->res_mode &= ~RES_LEN;
wrk->res_mode |= RES_ESI_CHILD;
}
if (cache_param->http_gzip_support && wrk->obj->gziped &&
!RFC2616_Req_Gzip(sp)) {
/*
* We don't know what it uncompresses to
* XXX: we could cache that
*/
wrk->res_mode &= ~RES_LEN;
wrk->res_mode |= RES_GUNZIP;
}
if (!(wrk->res_mode & (RES_LEN|RES_CHUNKED|RES_EOF))) {
if (wrk->obj->len == 0 &&
(wrk->busyobj == NULL || !wrk->busyobj->do_stream))
/*
* If the object is empty, neither ESI nor GUNZIP
* can make it any different size
*/
wrk->res_mode |= RES_LEN;
else if (!sp->wantbody) {
/* Nothing */
} else if (sp->http->protover >= 11) {
wrk->res_mode |= RES_CHUNKED;
} else {
wrk->res_mode |= RES_EOF;
sp->doclose = "EOF mode";
}
}
sp->t_resp = W_TIM_real(wrk);
if (wrk->obj->objcore != NULL) {
if ((sp->t_resp - wrk->obj->last_lru) >
cache_param->lru_timeout &&
EXP_Touch(wrk->obj->objcore))
wrk->obj->last_lru = sp->t_resp;
wrk->obj->last_use = sp->t_resp; /* XXX: locking ? */
}
http_Setup(wrk->resp, wrk->ws);
RES_BuildHttp(sp);
VCL_deliver_method(sp);
switch (sp->handling) {
case VCL_RET_DELIVER:
break;
case VCL_RET_RESTART:
if (sp->restarts >= cache_param->max_restarts)
break;
if (wrk->busyobj != NULL) {
AN(wrk->busyobj->do_stream);
VDI_CloseFd(wrk, &wrk->busyobj->vbc);
HSH_Drop(wrk);
VBO_DerefBusyObj(wrk, &wrk->busyobj);
} else {
(void)HSH_Deref(wrk, NULL, &wrk->obj);
}
AZ(wrk->obj);
sp->restarts++;
sp->director = NULL;
http_Setup(wrk->resp, NULL);
sp->step = STP_RECV;
return (0);
default:
WRONG("Illegal action in vcl_deliver{}");
}
if (wrk->busyobj != NULL && wrk->busyobj->do_stream) {
AssertObjCorePassOrBusy(wrk->obj->objcore);
sp->step = STP_STREAMBODY;
} else {
sp->step = STP_DELIVER;
}
return (0);
}
