C++ (Cpp) vbf_fetch_thread Beispiele

Beispiel #1

Datei: cache_fetch.c Projekt: gaohf/Varnish-Cache

void
VBF_Fetch(struct worker *wrk, struct req *req, struct objcore *oc,
    struct object *oldobj, enum vbf_fetch_mode_e mode)
{
	struct busyobj *bo;

	CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
	CHECK_OBJ_NOTNULL(oc, OBJCORE_MAGIC);
	CHECK_OBJ_ORNULL(oldobj, OBJECT_MAGIC);

	bo = VBO_GetBusyObj(wrk, req);
	CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
	bo->refcount = 2;

	oc->busyobj = bo;

	CHECK_OBJ_NOTNULL(bo->vcl, VCL_CONF_MAGIC);

	if (mode == VBF_PASS)
		bo->do_pass = 1;

	bo->vary = req->vary_b;
	req->vary_b = NULL;

	HSH_Ref(oc);
	bo->fetch_objcore = oc;

	if (oldobj != NULL) {
		if (http_GetHdr(oldobj->http, H_Last_Modified, NULL) ||
		   http_GetHdr(oldobj->http, H_ETag, NULL)) {
			HSH_Ref(oldobj->objcore);
			bo->ims_obj = oldobj;
		}
	}

	AZ(bo->req);
	bo->req = req;

	bo->fetch_task.priv = bo;
	bo->fetch_task.func = vbf_fetch_thread;

	if (Pool_Task(wrk->pool, &bo->fetch_task, POOL_QUEUE_FRONT))
		vbf_fetch_thread(wrk, bo);
	if (mode == VBF_BACKGROUND) {
		VBO_waitstate(bo, BOS_REQ_DONE);
	} else {
		VBO_waitstate(bo, BOS_FETCHING);
		if (!bo->do_stream)
			VBO_waitstate(bo, BOS_FINISHED);
		assert(bo->state != BOS_FAILED || (oc->flags & OC_F_FAILED));
	}
	VBO_DerefBusyObj(wrk, &bo);
}

Beispiel #2

Datei: cache_fetch.c Projekt: gorillamania/Varnish-Cache

struct busyobj *
VBF_Fetch(struct worker *wrk, struct req *req, struct objcore *oc, int pass)
{
	struct busyobj *bo;

	CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
	CHECK_OBJ_NOTNULL(oc, OBJCORE_MAGIC);

	bo = VBO_GetBusyObj(wrk, req);
	CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
	bo->refcount = 2;

	oc->busyobj = bo;

	CHECK_OBJ_NOTNULL(bo->vcl, VCL_CONF_MAGIC);

	bo->do_pass = pass;

	bo->vary = req->vary_b;
	req->vary_b = NULL;

	AZ(bo->fetch_objcore);
	bo->fetch_objcore = oc;

	AZ(bo->req);
	bo->req = req;

	bo->fetch_task.priv = bo;
	bo->fetch_task.func = vbf_fetch_thread;

	if (Pool_Task(wrk->pool, &bo->fetch_task, POOL_QUEUE_FRONT))
		vbf_fetch_thread(wrk, bo);
	Lck_Lock(&bo->mtx);
	while (1) {
		if (bo->req == NULL)
			break;
		(void)Lck_CondWait(&bo->cond, &bo->mtx, NULL);
	}
	Lck_Unlock(&bo->mtx);
	return (bo);
}

Beispiel #3

Datei: cache_fetch.c Projekt: frustra/Varnish-Cache

void
VBF_Fetch(struct worker *wrk, struct req *req, struct objcore *oc,
    struct object *oldobj, enum vbf_fetch_mode_e mode)
{
	struct busyobj *bo;
	const char *how;

	CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
	CHECK_OBJ_NOTNULL(oc, OBJCORE_MAGIC);
	CHECK_OBJ_ORNULL(oldobj, OBJECT_MAGIC);


	switch(mode) {
	case VBF_PASS:		how = "pass"; break;
	case VBF_NORMAL:	how = "fetch"; break;
	case VBF_BACKGROUND:	how = "bgfetch"; break;
	default:		WRONG("Wrong fetch mode");
	}

	bo = VBO_GetBusyObj(wrk, req);
	CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
	VSLb(bo->vsl, SLT_Begin, "bereq %u %s ", VXID(req->vsl->wid), how);
	VSLb(req->vsl, SLT_Link, "bereq %u %s ", VXID(bo->vsl->wid), how);

	THR_SetBusyobj(bo);

	bo->refcount = 2;

	oc->busyobj = bo;

	CHECK_OBJ_NOTNULL(bo->vcl, VCL_CONF_MAGIC);

	if (mode == VBF_PASS)
		bo->do_pass = 1;

	bo->vary = req->vary_b;
	req->vary_b = NULL;

	if (mode != VBF_BACKGROUND)
		HSH_Ref(oc);
	bo->fetch_objcore = oc;

	AZ(bo->ims_obj);
	if (oldobj != NULL) {
		if (http_GetHdr(oldobj->http, H_Last_Modified, NULL) ||
		   http_GetHdr(oldobj->http, H_ETag, NULL)) {
			assert(oldobj->objcore->refcnt > 0);
			HSH_Ref(oldobj->objcore);
			bo->ims_obj = oldobj;
		}
	}

	AZ(bo->req);
	bo->req = req;

	bo->fetch_task.priv = bo;
	bo->fetch_task.func = vbf_fetch_thread;

	if (Pool_Task(wrk->pool, &bo->fetch_task, POOL_QUEUE_FRONT))
		vbf_fetch_thread(wrk, bo);
	if (mode == VBF_BACKGROUND) {
		VBO_waitstate(bo, BOS_REQ_DONE);
	} else {
		VBO_waitstate(bo, BOS_STREAM);
		if (bo->state == BOS_FAILED) {
			AN((oc->flags & OC_F_FAILED));
		} else {
			AZ(bo->fetch_objcore->flags & OC_F_BUSY);
		}
	}
	VSLb_ts_req(req, "Fetch", W_TIM_real(wrk));
	THR_SetBusyobj(NULL);
	VBO_DerefBusyObj(wrk, &bo);
}