public static string GetTracerHomePath()
{
var tracerHomeDirectoryEnvVar = "TracerHomeDirectory";
var tracerHome = Environment.GetEnvironmentVariable(tracerHomeDirectoryEnvVar);
if (string.IsNullOrEmpty(tracerHome))
{
// default
return(Path.Combine(
GetMonitoringHomePath(),
"tracer"));
}
if (!Directory.Exists(tracerHome))
{
throw new InvalidOperationException($"{tracerHomeDirectoryEnvVar} was set to '{tracerHome}', but directory does not exist");
}
// basic verification
var tfmDirectory = EnvironmentTools.GetTracerTargetFrameworkDirectory();
var dllLocation = Path.Combine(tracerHome, tfmDirectory);
if (!Directory.Exists(dllLocation))
{
throw new InvalidOperationException($"{tracerHomeDirectoryEnvVar} was set to '{tracerHome}', but location does not contain expected folder '{tfmDirectory}'");
}
return(tracerHome);
}
internal static string GetProfilerTargetFolder()
{
var tracerHome = EnvironmentHelper.GetTracerHomePath();
var targetFrameworkDirectory = EnvironmentTools.GetTracerTargetFrameworkDirectory();
var finalDirectory = Path.Combine(tracerHome, targetFrameworkDirectory);
if (Directory.Exists(finalDirectory))
{
return(finalDirectory);
}
return(null);
}
