private static string GetShortInstanceName(ServiceHostBase serviceHost)
{
ServiceInfo serviceInfo = new ServiceInfo(serviceHost);
string serviceName = serviceInfo.ServiceName;
string uri = GetServiceUri(serviceHost, serviceInfo);
int length = serviceName.Length + uri.Length + 2;
if (length > maxCounterLength)
{
int count = 0;
truncOptions tasks = ServicePerformanceCountersBase.GetCompressionTasks(
length, serviceName.Length, uri.Length);
//if necessary, compress service name to 8 chars with a 2 char hash code
if ((tasks & truncOptions.service32) > 0)
{
count = 32;
serviceName = GetHashedString(serviceName, count - hashLength, serviceName.Length - count + hashLength, true);
}
//if necessary, compress uri to 36 chars with a 2 char hash code
if ((tasks & truncOptions.uri31) > 0)
{
count = 31;
uri = GetHashedString(uri, 0, uri.Length - count + hashLength, false);
}
}
// replace '/' with '|' because perfmon fails when '/' is in perfcounter instance name
return(serviceName + "@" + uri.Replace('/', '|'));
}
static internal string CreateFriendlyInstanceName(ServiceHostBase serviceHost)
{
// instance name is: serviceName@uri
ServiceInfo serviceInfo = new ServiceInfo(serviceHost);
string serviceName = serviceInfo.ServiceName;
string uri;
if (!TryGetFullVirtualPath(serviceHost, out uri))
{
uri = serviceInfo.FirstAddress;
}
int length = serviceName.Length + uri.Length + 2;
if (length > maxCounterLength)
{
int count = 0;
truncOptions tasks = ServicePerformanceCountersBase.GetCompressionTasks(
length, serviceName.Length, uri.Length);
//if necessary, compress service name to 8 chars with a 2 char hash code
if ((tasks & truncOptions.service32) > 0)
{
count = 32;
serviceName = GetHashedString(serviceName, count - hashLength, serviceName.Length - count + hashLength, true);
}
//if necessary, compress uri to 36 chars with a 2 char hash code
if ((tasks & truncOptions.uri31) > 0)
{
count = 31;
uri = GetHashedString(uri, 0, uri.Length - count + hashLength, false);
}
}
// replace '/' with '|' because perfmon fails when '/' is in perfcounter instance name
return(serviceName + "@" + uri.Replace('/', '|'));
}
