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import 3.0 xmls in 2.x #567

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import 3.0 xmls in 2.x #567

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bffbb3e
xml/import: allow xml 3.0 (and not 3.1 and later)
bgoglin Jan 26, 2023
1a3c1d5
xml/import: convert 3.0 "memory" osdev back into "block"
bgoglin Jan 26, 2023
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7 changes: 4 additions & 3 deletions hwloc/topology-xml-libxml.c
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@@ -1,6 +1,6 @@
/*
* Copyright © 2009 CNRS
* Copyright © 2009-2018 Inria. All rights reserved.
* Copyright © 2009-2023 Inria. All rights reserved.
* Copyright © 2009-2011, 2020 Université Bordeaux
* Copyright © 2009-2011 Cisco Systems, Inc. All rights reserved.
* See COPYING in top-level directory.
Expand Down Expand Up @@ -188,10 +188,11 @@ hwloc_libxml_look_init(struct hwloc_xml_backend_data_s *bdata,
fprintf(stderr, "%s: Loading XML topology without DTD\n",
state->global->msgprefix);
} else if (strcmp((char *) dtd->SystemID, "hwloc.dtd")
&& strcmp((char *) dtd->SystemID, "hwloc2.dtd")) {
&& strcmp((char *) dtd->SystemID, "hwloc2.dtd")
&& strcmp((char *) dtd->SystemID, "hwloc3.dtd")) {
if (hwloc__xml_verbose())
fprintf(stderr, "%s: Loading XML topology with wrong DTD SystemID (%s instead of %s)\n",
state->global->msgprefix, (char *) dtd->SystemID, "hwloc.dtd or hwloc2.dtd");
state->global->msgprefix, (char *) dtd->SystemID, "hwloc.dtd, hwloc2.dtd or hwloc3.dtd");
}

root_node = xmlDocGetRootElement((xmlDocPtr) bdata->data);
Expand Down
14 changes: 11 additions & 3 deletions hwloc/topology-xml.c
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@@ -1,6 +1,6 @@
/*
* Copyright © 2009 CNRS
* Copyright © 2009-2022 Inria. All rights reserved.
* Copyright © 2009-2023 Inria. All rights reserved.
* Copyright © 2009-2011, 2020 Université Bordeaux
* Copyright © 2009-2018 Cisco Systems, Inc. All rights reserved.
* See COPYING in top-level directory.
Expand Down Expand Up @@ -1160,6 +1160,13 @@ hwloc__xml_import_object(hwloc_topology_t topology,
data->last_numanode = obj;
}

/* 3.0 forward compatibility */
if (data->version_major >= 3 && obj->type == HWLOC_OBJ_OS_DEVICE) {
/* block replaced by storage+memory in 3.0 */
if (obj->attr->osdev.type == 6 /* MEMORY */)
obj->attr->osdev.type = HWLOC_OBJ_OSDEV_BLOCK;
}

if (!hwloc_filter_check_keep_object(topology, obj)) {
/* Ignore this object instead of inserting it.
*
Expand Down Expand Up @@ -2094,9 +2101,10 @@ hwloc_look_xml(struct hwloc_backend *backend, struct hwloc_disc_status *dstatus)
if (ret < 0)
goto failed;

if (data->version_major > 2) {
if (data->version_major > 3
|| (data->version_major == 3 && data->version_minor > 0)) {
if (hwloc__xml_verbose())
fprintf(stderr, "%s: cannot import XML version %u.%u > 2\n",
fprintf(stderr, "%s: cannot import XML version %u.%u > 3.0\n",
data->msgprefix, data->version_major, data->version_minor);
goto err;
}
Expand Down