Function update_validation

lib/common/xml.c:2592–2689

/* set which validation to use */
#include <crm/cib.h>
int update_validation(
    xmlNode **xml_blob, int *best, gboolean transform, gboolean to_logs) 
{
    xmlNode *xml = NULL;
    char *value = NULL;
    int lpc = 0, match = -1, rc = pcmk_ok;

    CRM_CHECK(best != NULL, return -EINVAL);
    CRM_CHECK(xml_blob != NULL, return -EINVAL);
    CRM_CHECK(*xml_blob != NULL, return -EINVAL);
    
    *best = 0;
    xml = *xml_blob;
    value = crm_element_value_copy(xml, XML_ATTR_VALIDATION);

    if(value != NULL) {
	match = get_schema_version(value);
	
	lpc = match;
	if(lpc >= 0 && transform == FALSE) {
	    lpc++;

	} else if(lpc < 0) {
	    crm_debug("Unknown validation type");
	    lpc = 0;
	}
    }

    if(match >= max_schemas) {
	/* nothing to do */
	free(value);
	*best = match;
	return pcmk_ok;
    }
    
    for(; lpc < max_schemas; lpc++) {
	gboolean valid = TRUE;
	crm_debug("Testing '%s' validation", known_schemas[lpc].name?known_schemas[lpc].name:"<unset>");
	valid = validate_with(xml, lpc, to_logs);
	
	if(valid) {
	    *best = lpc;
	}
	
	if(valid && transform) {
	    xmlNode *upgrade = NULL;
	    int next = known_schemas[lpc].after_transform;
	    if(next <= 0) {
		next = lpc+1;
	    }
	    
	    crm_notice("Upgrading %s-style configuration to %s with %s",
		       known_schemas[lpc].name, known_schemas[next].name, known_schemas[lpc].transform?known_schemas[lpc].transform:"no-op");

	    if(known_schemas[lpc].transform == NULL) {
		if(validate_with(xml, next, to_logs)) {
		    crm_debug("Configuration valid for schema: %s", known_schemas[next].name);
		    lpc = next; *best = next;