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110 lines
4.7 KiB
C
110 lines
4.7 KiB
C
/*
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* Copyright © 2009-2017 Inria. All rights reserved.
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* See COPYING in top-level directory.
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*/
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#ifndef PRIVATE_XML_H
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#define PRIVATE_XML_H 1
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#include "hwloc.h"
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#include <sys/types.h>
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HWLOC_DECLSPEC int hwloc__xml_verbose(void);
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/**************
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* XML import *
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**************/
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typedef struct hwloc__xml_import_state_s {
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struct hwloc__xml_import_state_s *parent;
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/* globals shared between the entire stack of states during import */
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struct hwloc_xml_backend_data_s *global;
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/* opaque data used to store backend-specific data.
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* statically allocated to allow stack-allocation by the common code without knowing actual backend needs.
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* libxml is 3 ptrs. nolibxml is 3 ptr + one int.
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*/
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char data[4 * SIZEOF_VOID_P];
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} * hwloc__xml_import_state_t;
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struct hwloc__xml_imported_v1distances_s {
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unsigned long kind;
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unsigned nbobjs;
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float *floats;
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struct hwloc__xml_imported_v1distances_s *prev, *next;
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};
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HWLOC_DECLSPEC int hwloc__xml_import_diff(hwloc__xml_import_state_t state, hwloc_topology_diff_t *firstdiffp);
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struct hwloc_xml_backend_data_s {
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/* xml backend parameters */
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int (*look_init)(struct hwloc_xml_backend_data_s *bdata, struct hwloc__xml_import_state_s *state);
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void (*look_done)(struct hwloc_xml_backend_data_s *bdata, int result);
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void (*backend_exit)(struct hwloc_xml_backend_data_s *bdata);
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int (*next_attr)(struct hwloc__xml_import_state_s * state, char **namep, char **valuep);
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int (*find_child)(struct hwloc__xml_import_state_s * state, struct hwloc__xml_import_state_s * childstate, char **tagp);
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int (*close_tag)(struct hwloc__xml_import_state_s * state); /* look for an explicit closing tag </name> */
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void (*close_child)(struct hwloc__xml_import_state_s * state);
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int (*get_content)(struct hwloc__xml_import_state_s * state, const char **beginp, size_t expected_length); /* return 0 on empty content (and sets beginp to empty string), 1 on actual content, -1 on error or unexpected content length */
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void (*close_content)(struct hwloc__xml_import_state_s * state);
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char * msgprefix;
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void *data; /* libxml2 doc, or nolibxml buffer */
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unsigned version_major, version_minor;
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unsigned nbnumanodes;
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hwloc_obj_t first_numanode, last_numanode; /* temporary cousin-list for handling v1distances */
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struct hwloc__xml_imported_v1distances_s *first_v1dist, *last_v1dist;
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};
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/**************
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* XML export *
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**************/
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typedef struct hwloc__xml_export_state_s {
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struct hwloc__xml_export_state_s *parent;
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void (*new_child)(struct hwloc__xml_export_state_s *parentstate, struct hwloc__xml_export_state_s *state, const char *name);
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void (*new_prop)(struct hwloc__xml_export_state_s *state, const char *name, const char *value);
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void (*add_content)(struct hwloc__xml_export_state_s *state, const char *buffer, size_t length);
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void (*end_object)(struct hwloc__xml_export_state_s *state, const char *name);
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struct hwloc__xml_export_data_s {
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hwloc_obj_t v1_memory_group; /* if we need to insert intermediate group above memory children when exporting to v1 */
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} *global;
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/* opaque data used to store backend-specific data.
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* statically allocated to allow stack-allocation by the common code without knowing actual backend needs.
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* libxml is 1 ptr. nolibxml is 1 ptr + 2 size_t + 3 ints.
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*/
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char data[6 * SIZEOF_VOID_P];
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} * hwloc__xml_export_state_t;
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HWLOC_DECLSPEC void hwloc__xml_export_topology(hwloc__xml_export_state_t parentstate, hwloc_topology_t topology, unsigned long flags);
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HWLOC_DECLSPEC void hwloc__xml_export_diff(hwloc__xml_export_state_t parentstate, hwloc_topology_diff_t diff);
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/******************
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* XML components *
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******************/
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struct hwloc_xml_callbacks {
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int (*backend_init)(struct hwloc_xml_backend_data_s *bdata, const char *xmlpath, const char *xmlbuffer, int xmlbuflen);
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int (*export_file)(struct hwloc_topology *topology, struct hwloc__xml_export_data_s *edata, const char *filename, unsigned long flags);
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int (*export_buffer)(struct hwloc_topology *topology, struct hwloc__xml_export_data_s *edata, char **xmlbuffer, int *buflen, unsigned long flags);
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void (*free_buffer)(void *xmlbuffer);
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int (*import_diff)(struct hwloc__xml_import_state_s *state, const char *xmlpath, const char *xmlbuffer, int xmlbuflen, hwloc_topology_diff_t *diff, char **refnamep);
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int (*export_diff_file)(union hwloc_topology_diff_u *diff, const char *refname, const char *filename);
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int (*export_diff_buffer)(union hwloc_topology_diff_u *diff, const char *refname, char **xmlbuffer, int *buflen);
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};
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struct hwloc_xml_component {
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struct hwloc_xml_callbacks *nolibxml_callbacks;
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struct hwloc_xml_callbacks *libxml_callbacks;
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};
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HWLOC_DECLSPEC void hwloc_xml_callbacks_register(struct hwloc_xml_component *component);
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HWLOC_DECLSPEC void hwloc_xml_callbacks_reset(void);
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#endif /* PRIVATE_XML_H */
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