static clipleaf_t *
carve_leaf (hull_t *hull, nodeleaf_t *nodeleafs, clipleaf_t *leaf, int num)
{
mclipnode_t *node;
plane_t *plane;
winding_t *winding, *fw, *bw;
clipport_t *portal;
clipport_t *new_portal;
clipport_t *next_portal;
clipleaf_t *other_leaf;
clipleaf_t *new_leaf;
plane_t clipplane;
int side;
if (num < 0) {
// we've hit a leaf. all done
leaf->contents = num;
return leaf;
}
node = hull->clipnodes + num;
plane = hull->planes + node->planenum;
winding = BaseWindingForPlane (plane);
for (portal = leaf->portals; portal; portal = portal->next[side]) {
clipplane = hull->planes[portal->planenum];
side = (portal->leafs[1] == leaf);
if (side)
PlaneFlip (&clipplane, &clipplane);
winding = ClipWinding (winding, &clipplane, true);
}
new_leaf = alloc_leaf ();
portal = leaf->portals;
leaf->portals = 0;
for (; portal; portal = next_portal) {
side = (portal->leafs[1] == leaf);
next_portal = portal->next[side];
other_leaf = portal->leafs[!side];
remove_portal (portal, other_leaf);
DivideWinding (portal->winding, plane, &fw, &bw);
if (!fw) {
if (side)
add_portal (portal, other_leaf, new_leaf);
else
add_portal (portal, new_leaf, other_leaf);
continue;
}
if (!bw) {
if (side)
add_portal (portal, other_leaf, leaf);
else
add_portal (portal, leaf, other_leaf);
continue;
}
new_portal = alloc_portal ();
new_portal->planenum = portal->planenum;
new_portal->winding = bw;
FreeWinding (portal->winding);
portal->winding = fw;
if (side) {
add_portal (portal, other_leaf, leaf);
add_portal (new_portal, other_leaf, new_leaf);
} else {
add_portal (portal, leaf, other_leaf);
add_portal (new_portal, new_leaf, other_leaf);
}
}
new_portal = alloc_portal ();
new_portal->planenum = node->planenum;
new_portal->winding = winding;
add_portal (new_portal, leaf, new_leaf);
nodeleafs[num].leafs[0] = carve_leaf (hull, nodeleafs, leaf,
node->children[0]);
nodeleafs[num].leafs[1] = carve_leaf (hull, nodeleafs, new_leaf,
node->children[1]);
return 0;
}
static void
process_message(iscsid_request_t *req, iscsid_response_t **prsp, int *prsp_temp)
{
iscsid_response_t *rsp;
void *p = req->parameter;
*prsp_temp = FALSE;
*prsp = rsp = (iscsid_response_t *)(void *)rsp_buf;
rsp->parameter_length = 0;
rsp->status = ISCSID_STATUS_SUCCESS;
switch (req->request) {
case ISCSID_ADD_TARGET:
if (req->parameter_length < sizeof(iscsid_add_target_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
add_target((iscsid_add_target_req_t *)p, prsp, prsp_temp);
break;
case ISCSID_ADD_PORTAL:
if (req->parameter_length != sizeof(iscsid_add_portal_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
add_portal((iscsid_add_portal_req_t *)p, prsp, prsp_temp);
break;
case ISCSID_SET_TARGET_OPTIONS:
if (req->parameter_length != sizeof(iscsid_get_set_target_options_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = set_target_options((iscsid_get_set_target_options_t *)p);
break;
case ISCSID_GET_TARGET_OPTIONS:
if (req->parameter_length != sizeof(iscsid_sym_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = ISCSID_STATUS_NOTIMPL;
break;
case ISCSID_SET_TARGET_AUTHENTICATION:
if (req->parameter_length !=
sizeof(iscsid_set_target_authentication_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = set_target_auth((iscsid_set_target_authentication_req_t *)p);
break;
case ISCSID_SLP_FIND_TARGETS:
rsp->status = ISCSID_STATUS_NOTIMPL;
break;
case ISCSID_REFRESH_TARGETS:
if (req->parameter_length < sizeof(iscsid_refresh_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = refresh_targets((iscsid_refresh_req_t *)p);
break;
case ISCSID_REMOVE_TARGET:
if (req->parameter_length != sizeof(iscsid_list_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = remove_target((iscsid_list_id_t *)p);
break;
case ISCSID_SEARCH_LIST:
if (req->parameter_length != sizeof(iscsid_search_list_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
search_list((iscsid_search_list_req_t *)p, prsp, prsp_temp);
break;
case ISCSID_GET_LIST:
if (req->parameter_length != sizeof(iscsid_get_list_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
get_list((iscsid_get_list_req_t *)p, prsp, prsp_temp);
break;
case ISCSID_GET_TARGET_INFO:
if (req->parameter_length != sizeof(iscsid_list_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
get_target_info((iscsid_list_id_t *)p, prsp, prsp_temp);
break;
case ISCSID_GET_PORTAL_INFO:
if (req->parameter_length != sizeof(iscsid_list_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
get_portal_info((iscsid_list_id_t *)p, prsp, prsp_temp);
break;
#ifndef ISCSI_MINIMAL
case ISCSID_ADD_ISNS_SERVER:
if (req->parameter_length != sizeof(iscsid_add_isns_server_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
add_isns_server((iscsid_add_isns_server_req_t *)p,
prsp, prsp_temp);
break;
case ISCSID_GET_ISNS_SERVER:
if (req->parameter_length != sizeof(iscsid_sym_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
get_isns_server((iscsid_sym_id_t *)p, prsp, prsp_temp);
break;
case ISCSID_SLP_FIND_ISNS_SERVERS:
rsp->status = ISCSID_STATUS_NOTIMPL;
break;
case ISCSID_REMOVE_ISNS_SERVER:
if (req->parameter_length != sizeof(iscsid_sym_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = remove_isns_server((iscsid_sym_id_t *)p);
break;
#endif
case ISCSID_ADD_INITIATOR_PORTAL:
if (req->parameter_length != sizeof(iscsid_add_initiator_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
add_initiator_portal((iscsid_add_initiator_req_t *)p,
prsp, prsp_temp);
break;
case ISCSID_GET_INITIATOR_PORTAL:
if (req->parameter_length != sizeof(iscsid_sym_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
get_initiator_portal((iscsid_sym_id_t *)p, prsp, prsp_temp);
break;
case ISCSID_REMOVE_INITIATOR_PORTAL:
if (req->parameter_length != sizeof(iscsid_sym_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = remove_initiator_portal((iscsid_sym_id_t *)p);
break;
case ISCSID_LOGIN:
if (req->parameter_length != sizeof(iscsid_login_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
login((iscsid_login_req_t *)p, rsp);
break;
case ISCSID_ADD_CONNECTION:
if (req->parameter_length != sizeof(iscsid_login_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
add_connection((iscsid_login_req_t *)p, rsp);
break;
case ISCSID_LOGOUT:
if (req->parameter_length != sizeof(iscsid_sym_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = logout((iscsid_sym_id_t *)p);
break;
case ISCSID_REMOVE_CONNECTION:
if (req->parameter_length != sizeof(iscsid_remove_connection_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = remove_connection((iscsid_remove_connection_req_t *)p);
break;
case ISCSID_GET_SESSION_LIST:
get_session_list(prsp, prsp_temp);
break;
case ISCSID_GET_CONNECTION_LIST:
if (req->parameter_length != sizeof(iscsid_sym_id_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
get_connection_list((iscsid_sym_id_t *)p, prsp, prsp_temp);
break;
case ISCSID_GET_CONNECTION_INFO:
if (req->parameter_length != sizeof(iscsid_get_connection_info_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
get_connection_info((iscsid_get_connection_info_req_t *)p,
prsp, prsp_temp);
break;
case ISCSID_SET_NODE_NAME:
if (req->parameter_length != sizeof(iscsid_set_node_name_req_t)) {
rsp->status = ISCSID_STATUS_INVALID_PARAMETER;
break;
}
rsp->status = set_node_name((iscsid_set_node_name_req_t *)p);
break;
case ISCSID_GET_VERSION:
get_version(prsp, prsp_temp);
break;
default:
rsp->status = ISCSID_STATUS_INVALID_REQUEST;
break;
}
}
