void
v_loadWarningLevels(
v_kernel kernel,
v_configuration config)
{
c_iter iter;
v_cfData elementData = NULL;
c_value value;
v_cfElement root;
assert(kernel != NULL);
assert(C_TYPECHECK(kernel,v_kernel));
assert(config != NULL);
assert(C_TYPECHECK(config,v_configuration));
root = v_configurationGetRoot(config);
/* load max samples warn level */
iter = v_cfElementXPath(root, "Domain/ResourceLimits/MaxSamples/WarnAt/#text");
while(c_iterLength(iter) > 0)
{
elementData = v_cfData(c_iterTakeFirst(iter));
}
if(iter)
{
c_iterFree(iter);
}
if(elementData)/* aka the last one from the previous while loop */
{
value = v_cfDataValue(elementData);
sscanf(value.is.String, "%u", &kernel->maxSamplesWarnLevel);
if(kernel->maxSamplesWarnLevel < V_KERNEL_MAX_SAMPLES_WARN_LEVEL_MIN)
{
kernel->maxSamplesWarnLevel = V_KERNEL_MAX_SAMPLES_WARN_LEVEL_MIN;
}
}
elementData = NULL;
/* load max instances warn level */
iter = v_cfElementXPath(root, "Domain/ResourceLimits/MaxInstances/WarnAt/#text");
while(c_iterLength(iter) > 0)
{
elementData = v_cfData(c_iterTakeFirst(iter));
}
if(iter)
{
c_iterFree(iter);
}
if(elementData)/* aka the last one from the previous while loop */
{
value = v_cfDataValue(elementData);
sscanf(value.is.String, "%u", &kernel->maxInstancesWarnLevel);
if(kernel->maxInstancesWarnLevel < V_KERNEL_MAX_INSTANCES_WARN_LEVEL_MIN)
{
kernel->maxInstancesWarnLevel = V_KERNEL_MAX_INSTANCES_WARN_LEVEL_MIN;
}
}
elementData = NULL;
/* load max samples per instances warn level */
iter = v_cfElementXPath(root, "Domain/ResourceLimits/MaxSamplesPerInstance/WarnAt/#text");
while(c_iterLength(iter) > 0)
{
elementData = v_cfData(c_iterTakeFirst(iter));
}
if(iter)
{
c_iterFree(iter);
}
if(elementData)/* aka the last one from the previous while loop */
{
value = v_cfDataValue(elementData);
sscanf(value.is.String, "%u", &kernel->maxSamplesPerInstanceWarnLevel);
if(kernel->maxSamplesPerInstanceWarnLevel < V_KERNEL_MAX_SAMPLES_PER_INSTANCES_WARN_LEVEL_MIN)
{
kernel->maxSamplesPerInstanceWarnLevel = V_KERNEL_MAX_SAMPLES_PER_INSTANCES_WARN_LEVEL_MIN;
}
}
}
static int
lockPages(
v_kernel k,
const c_char *name)
{
v_configuration cfg;
v_cfElement root;
v_cfElement service;
v_cfData data;
int lock;
c_char *path;
c_iter iter;
int iterLength;
c_value value;
assert(k);
lock = 0;
cfg = v_getConfiguration(k);
if (cfg != NULL) {
root = v_configurationGetRoot(cfg);
if (root != NULL) {
path = (c_char *)os_malloc(strlen(SERVICE_PATH) + strlen(name));
/* NULL terminator is covered by '%s' in SERVICE_PATH constant */
os_sprintf(path, SERVICE_PATH, name);
iter = v_cfElementXPath(root, path);
iterLength = c_iterLength(iter);
os_free(path);
if (iterLength == 1) {
service = v_cfElement(c_iterTakeFirst(iter));
c_iterFree(iter);
iter = v_cfElementXPath(service, "Locking/#text");
iterLength = c_iterLength(iter);
if (iterLength == 1) {
data = v_cfData(c_iterTakeFirst(iter));
if (u_cfValueScan(v_cfDataValue(data), V_BOOLEAN, &value)) {
if (value.is.Boolean) {
lock = 1;
OS_REPORT_1(OS_INFO,"lockPages", 0,
"service '%s': Locking enabled", name);
}
} else {
OS_REPORT_1(OS_WARNING,"lockPages", 0,
"Failed to retrieve Locking for service '%s': Locking disabled", name);
}
}
} else if (iterLength > 1) {
OS_REPORT_2(OS_WARNING,"lockPages", 0,
"Multiple configuration found for service '%s' (too many: %d): Locking disabled",
name, iterLength);
} else {
OS_REPORT_1(OS_WARNING,"lockPages", 0,
"Could not get configuration for service '%s' (non-existent): Locking disabled",
name);
}
c_iterFree(iter);
c_free(root);
}
}
return lock;
}
/*
* ES, dds1576: This method consults the configuration info stored in the kernel
* to determine the access policy for this partition
*/
v_accessMode
v_kernelPartitionAccessMode(
v_kernel _this,
v_partitionPolicy partition)
{
v_configuration config;
v_cfElement root;
v_cfElement element;
c_iter iter;
v_accessMode retVal = V_ACCESS_MODE_UNDEFINED;
c_value expression;
c_value accessMode;
c_iter partitionsSplit;
c_char* partitionName;
config = v_getConfiguration(_this);
if(config)
{
root = v_configurationGetRoot(config);
/* Iterate over all partitionAccess elements */
iter = v_cfElementXPath(root, "Domain/PartitionAccess");
while(c_iterLength(iter) > 0)
{
element = v_cfElement(c_iterTakeFirst(iter));
/* Get the partition expression value, it should be a string */
expression = v_cfElementAttributeValue(element, "partition_expression");
if(expression.kind == V_STRING)
{
/* iterate over partitions, if one matches, exit and return */
partitionsSplit = v_partitionPolicySplit(partition);
while(c_iterLength(partitionsSplit) > 0)
{
partitionName = (c_char*)c_iterTakeFirst(partitionsSplit);
if(v_partitionStringMatchesExpression(partitionName, expression.is.String))
{
/* The partition matches the expression.*/
accessMode = v_cfElementAttributeValue(element, "access_mode");
if(accessMode.kind == V_STRING)
{
/* A correct solution space can be realized between multiple
* expressions having an AND relationship by specifying the
* following rules R&W=RW, R&N=N, W&N=N, RW&N=N.
*/
switch(retVal)
{
case V_ACCESS_MODE_UNDEFINED: /* start state */
if(strcmp(accessMode.is.String, "none") == 0)
{
retVal = V_ACCESS_MODE_NONE;
} else if(strcmp(accessMode.is.String, "write") == 0)
{
retVal = V_ACCESS_MODE_WRITE;
} else if(strcmp(accessMode.is.String, "read") == 0)
{
retVal = V_ACCESS_MODE_READ;
} else if(strcmp(accessMode.is.String, "readwrite") == 0)
{
retVal = V_ACCESS_MODE_READ_WRITE;
}
break;
case V_ACCESS_MODE_WRITE:
if(strcmp(accessMode.is.String, "read") == 0 ||
strcmp(accessMode.is.String, "readwrite") == 0)
{
retVal = V_ACCESS_MODE_READ_WRITE;
} else if(strcmp(accessMode.is.String, "none") == 0)
{
retVal = V_ACCESS_MODE_NONE;
}
break;
case V_ACCESS_MODE_READ:
if(strcmp(accessMode.is.String, "write") == 0 ||
strcmp(accessMode.is.String, "readwrite") == 0)
{
retVal = V_ACCESS_MODE_READ_WRITE;
} else if(strcmp(accessMode.is.String, "none") == 0)
{
retVal = V_ACCESS_MODE_NONE;
}
break;
case V_ACCESS_MODE_READ_WRITE:
if(strcmp(accessMode.is.String, "none") == 0)
{
retVal = V_ACCESS_MODE_NONE;
}
break;
default: /* case V_ACCESS_MODE_NONE > none always remains none */
break;
}
}
}
os_free(partitionName);
}
c_iterFree(partitionsSplit);
}
}
if(iter)
{
c_iterFree(iter);
}
if(root)
{
c_free(root);
}
}
if(retVal == V_ACCESS_MODE_UNDEFINED)
{
/* No specific rights defined, fall back to default */
retVal = V_ACCESS_MODE_READ_WRITE;
}
return retVal;
}
