GPtrArray *create_derivation_array(const gchar *distributed_derivation_file)
{
/* Declarations */
xmlDocPtr doc;
xmlNodePtr node_root;
xmlXPathObjectPtr result;
GPtrArray *derivation_array = NULL;
/* Parse the XML document */
if((doc = xmlParseFile(distributed_derivation_file)) == NULL)
{
g_printerr("Error with parsing the distributed derivation XML file!\n");
xmlCleanupParser();
return NULL;
}
/* Retrieve root element */
node_root = xmlDocGetRootElement(doc);
if(node_root == NULL)
{
g_printerr("The distributed derivation XML file is empty!\n");
xmlFreeDoc(doc);
xmlCleanupParser();
return NULL;
}
/* Query the mapping elements */
result = executeXPathQuery(doc, "/distributedderivation/build/mapping");
/* Iterate over all the mapping elements and add them to the array */
if(result)
{
xmlNodeSetPtr nodeset = result->nodesetval;
unsigned int i;
/* Create a derivation array */
derivation_array = g_ptr_array_new();
/* Iterate over all the mapping elements */
for(i = 0; i < nodeset->nodeNr; i++)
{
xmlNodePtr mapping_children = nodeset->nodeTab[i]->children;
DerivationItem *item = (DerivationItem*)g_malloc(sizeof(DerivationItem));
gchar *derivation = NULL, *target = NULL;
/* Iterate over all the mapping item children (derivation and target elements) */
while(mapping_children != NULL)
{
if(xmlStrcmp(mapping_children->name, (xmlChar*) "derivation") == 0)
derivation = duplicate_node_text(mapping_children);
else if(xmlStrcmp(mapping_children->name, (xmlChar*) "target") == 0)
target = duplicate_node_text(mapping_children);
mapping_children = mapping_children->next;
}
/* Added the mapping to the array */
item->derivation = derivation;
item->target = target;
item->result = NULL;
if(item->derivation == NULL || item->target == NULL)
{
/* Check if all mandatory properties have been provided */
g_printerr("A mandatory property seems to be missing. Have you provided a correct\n");
g_printerr("distributed derivation file?\n");
delete_derivation_array(derivation_array);
derivation_array = NULL;
break;
}
else
g_ptr_array_add(derivation_array, item); /* Add item to the array */
}
xmlXPathFreeObject(result);
}
/* Cleanup */
xmlFreeDoc(doc);
xmlCleanupParser();
/* Return the derivation array */
return derivation_array;
}
GPtrArray *generate_target_array(const gchar *manifest_file)
{
/* Declarations */
xmlDocPtr doc;
xmlNodePtr node_root;
xmlXPathObjectPtr result;
GPtrArray *targets_array = NULL;
/* Parse the XML document */
if((doc = xmlParseFile(manifest_file)) == NULL)
{
g_printerr("Error with parsing the manifest XML file!\n");
xmlCleanupParser();
return NULL;
}
/* Retrieve root element */
node_root = xmlDocGetRootElement(doc);
if(node_root == NULL)
{
g_printerr("The manifest XML file is empty!\n");
xmlFreeDoc(doc);
xmlCleanupParser();
return NULL;
}
/* Query the targets elements */
result = executeXPathQuery(doc, "/manifest/targets/target");
/* Iterate over all the targets elements and add them to the array */
if(result)
{
unsigned int i;
xmlNodeSetPtr nodeset = result->nodesetval;
/* Create a targets array */
targets_array = g_ptr_array_new();
/* Iterate over all the target elements */
for(i = 0; i < nodeset->nodeNr; i++)
{
xmlNodePtr targets_children = nodeset->nodeTab[i]->children;
Target *target = (Target*)g_malloc(sizeof(Target));
gchar *system = NULL;
gchar *client_interface = NULL;
gchar *target_property = NULL;
int num_of_cores = 0;
int available_cores = 0;
GPtrArray *properties = NULL;
GPtrArray *containers = NULL;
while(targets_children != NULL)
{
if(xmlStrcmp(targets_children->name, (xmlChar*) "system") == 0)
system = duplicate_node_text(targets_children);
else if(xmlStrcmp(targets_children->name, (xmlChar*) "clientInterface") == 0)
client_interface = duplicate_node_text(targets_children);
else if(xmlStrcmp(targets_children->name, (xmlChar*) "targetProperty") == 0)
target_property = duplicate_node_text(targets_children);
else if(xmlStrcmp(targets_children->name, (xmlChar*) "numOfCores") == 0)
{
gchar *num_of_cores_str = duplicate_node_text(targets_children);
if(num_of_cores_str != NULL)
{
num_of_cores = atoi((char*)num_of_cores_str);
available_cores = num_of_cores;
g_free(num_of_cores_str);
}
}
else if(xmlStrcmp(targets_children->name, (xmlChar*) "properties") == 0)
{
xmlNodePtr properties_children = targets_children->children;
properties = g_ptr_array_new();
/* Iterate over all properties */
while(properties_children != NULL)
{
TargetProperty *target_property = (TargetProperty*)g_malloc(sizeof(TargetProperty));
target_property->name = g_strdup((gchar*)properties_children->name);
target_property->value = duplicate_node_text(properties_children);
g_ptr_array_add(properties, target_property);
properties_children = properties_children->next;
}
/* Sort the target properties */
g_ptr_array_sort(properties, (GCompareFunc)compare_target_property);
}
else if(xmlStrcmp(targets_children->name, (xmlChar*) "containers") == 0)
{
xmlNodePtr container_children = targets_children->children;
containers = g_ptr_array_new();
/* Iterate over all containers */
while(container_children != NULL)
{
Container *container = (Container*)g_malloc(sizeof(Container));
container->name = g_strdup((gchar*)container_children->name);
if(container_children->children == NULL)
container->properties = NULL;
else
{
xmlNodePtr properties_children = container_children->children;
GPtrArray *properties = g_ptr_array_new();
/* Iterate over all properties */
while(properties_children != NULL)
{
TargetProperty *target_property = (TargetProperty*)g_malloc(sizeof(TargetProperty));
target_property->name = g_strdup((gchar*)properties_children->name);
target_property->value = duplicate_node_text(properties_children);
g_ptr_array_add(properties, target_property);
properties_children = properties_children->next;
}
/* Sort the target properties */
g_ptr_array_sort(properties, (GCompareFunc)compare_target_property);
container->properties = properties;
}
g_ptr_array_add(containers, container);
container_children = container_children->next;
}
/* Sort the containers */
g_ptr_array_sort(containers, (GCompareFunc)compare_container);
}
targets_children = targets_children->next;
}
target->system = system;
target->client_interface = client_interface;
target->target_property = target_property;
target->num_of_cores = num_of_cores;
target->available_cores = available_cores;
target->properties = properties;
target->containers = containers;
if(target->system == NULL || target->client_interface == NULL || target->target_property == NULL)
{
/* Check if all mandatory properties have been provided */
g_printerr("A mandatory property seems to be missing. Have you provided a correct\n");
g_printerr("manifest file?\n");
delete_target_array(targets_array);
targets_array = NULL;
break;
}
else
g_ptr_array_add(targets_array, target); /* Add target item to the targets array */
}
/* Sort the targets array */
if(targets_array != NULL)
g_ptr_array_sort(targets_array, (GCompareFunc)compare_target);
/* Cleanup */
xmlXPathFreeObject(result);
}
/* Cleanup */
xmlFreeDoc(doc);
xmlCleanupParser();
/* Sort the targets array */
if(targets_array != NULL)
g_ptr_array_sort(targets_array, (GCompareFunc)compare_target);
/* Return the targets array */
return targets_array;
}
GPtrArray *create_snapshots_array(const gchar *manifest_file, const gchar *container_filter, const gchar *component_filter)
{
xmlDocPtr doc;
xmlNodePtr node_root;
xmlXPathObjectPtr result;
GPtrArray *snapshots_array;
/* Parse the XML document */
if((doc = xmlParseFile(manifest_file)) == NULL)
{
g_printerr("Error with parsing the manifest XML file!\n");
xmlCleanupParser();
return NULL;
}
/* Retrieve root element */
node_root = xmlDocGetRootElement(doc);
if(node_root == NULL)
{
g_printerr("The distribution manifest XML file is empty!\n");
xmlFreeDoc(doc);
xmlCleanupParser();
return NULL;
}
/* Query the distribution elements */
result = executeXPathQuery(doc, "/manifest/snapshots/mapping");
/* Initialize snapshots array */
snapshots_array = g_ptr_array_new();
/* Iterate over all the distribution elements and add them to the array */
if(result)
{
xmlNodeSetPtr nodeset = result->nodesetval;
unsigned int i;
/* Iterate over all the mapping elements */
for(i = 0; i < nodeset->nodeNr; i++)
{
xmlNodePtr mapping_children = nodeset->nodeTab[i]->children;
gchar *component = NULL;
gchar *container = NULL;
gchar *target = NULL;
gchar *service = NULL;
gchar *type = NULL;
SnapshotMapping *mapping = (SnapshotMapping*)g_malloc(sizeof(SnapshotMapping));
/* Iterate over all the mapping item children (service,target,targetProperty,type,dependsOn elements) */
while(mapping_children != NULL)
{
if(xmlStrcmp(mapping_children->name, (xmlChar*) "component") == 0)
component = duplicate_node_text(mapping_children);
else if(xmlStrcmp(mapping_children->name, (xmlChar*) "container") == 0)
container = duplicate_node_text(mapping_children);
else if(xmlStrcmp(mapping_children->name, (xmlChar*) "target") == 0)
target = duplicate_node_text(mapping_children);
else if(xmlStrcmp(mapping_children->name, (xmlChar*) "service") == 0)
service = duplicate_node_text(mapping_children);
else if(xmlStrcmp(mapping_children->name, (xmlChar*) "type") == 0)
type = duplicate_node_text(mapping_children);
mapping_children = mapping_children->next;
}
mapping->component = component;
mapping->container = container;
mapping->target = target;
mapping->service = service;
mapping->type = type;
mapping->transferred = FALSE;
if(mapping_is_selected(mapping, container_filter, component_filter))
{
if(component == NULL || container == NULL || target == NULL || service == NULL || type == NULL)
{
/* Check if all mandatory properties have been provided */
g_printerr("A mandatory property seems to be missing. Have you provided a correct\n");
g_printerr("manifest file?\n");
delete_snapshots_array(snapshots_array);
snapshots_array = NULL;
break;
}
else
g_ptr_array_add(snapshots_array, mapping); /* Add the mapping to the array */
}
else
delete_snapshot_mapping(mapping);
}
xmlXPathFreeObject(result);
}
/* Cleanup */
xmlFreeDoc(doc);
xmlCleanupParser();
/* Sort the snapshots array */
if(snapshots_array != NULL)
g_ptr_array_sort(snapshots_array, (GCompareFunc)compare_snapshot_mapping);
/* Return the snapshots array */
return snapshots_array;
}
