Getting Calling Process name and information when using COM+
- From: cms0007@xxxxxxxxxx
- Date: 12 May 2006 07:39:18 -0700
I have a DLL written in C# that does logging for many of our
processes. The calling process just passes messages and the DLL will
write the messages to a database with a unique log id for each instance
of a program that uses it so all messages passed by that program can be
identified by that single log id. As well, the logging DLL gets the ip
address, calling processname, and pid of the program calling it. The
calling program does not have to gather that info. The logging DLL
obtains it. I notice though that when the logging DLL is called by a
process running under COM+ the process name written to the database is
DLLHOST. I understand why that is but I want to know how to get the
name of the real calling process, not DLLHOST. So for instance if
Executablea.exe calls LinkLibrarya.dll which is installed in COM+ and
LinkLibrarya.Dll uses the logging dll, I want to know how the logging
dll can obtain the calling processes Executablea.exe and/or
linklibrarya.dll. I do not want the calling processes to have to
obtain the information and pass it in the call to the logging DLL.
Here is code in the logging dll I use to get the calling process names:
using System;
using System.Diagnostics;
using System.Reflection;
using System.Net;
namespace testprocessname
{
public class ProcNames
{
public ProcNames()
{
m_strCallingProcess =
Assembly.GetCallingAssembly().GetName().Name.ToString();
}
public string GetInfo()
{
return m_strProgramName + "^" + GetExeAssembly() + "^" +
GetCallAssembly() + "^" + GetEnterAssembly();
}
public static string GetStaticInfo()
{
return Process.GetCurrentProcess().ProcessName.ToString() + "^" +
GetStaticExeAssembly() + "^" + GetStaticCallAssembly() + "^" +
GetStaticEnterAssembly();
}
private string m_strProgramName =
Process.GetCurrentProcess().ProcessName.ToString();
private string m_strCallingProcess = "";
private string GetEnterAssembly()
{
try
{
return Assembly.GetEntryAssembly().GetName().Name.ToString();
}
catch
{
return Process.GetCurrentProcess().ProcessName.ToString() +
"~error~";
}
}
private string GetExeAssembly()
{
try
{
return Assembly.GetExecutingAssembly().GetName().Name.ToString();
}
catch
{
return Process.GetCurrentProcess().ProcessName.ToString() +
"~error~";
}
}
private string GetCallAssembly()
{
try
{
return Assembly.GetCallingAssembly().GetName().Name.ToString();
}
catch
{
return Process.GetCurrentProcess().ProcessName.ToString() +
"~error~";
}
}
private static string GetStaticEnterAssembly()
{
try
{
return Assembly.GetEntryAssembly().GetName().Name.ToString();
}
catch
{
return Process.GetCurrentProcess().ProcessName.ToString() +
"~error~";
}
}
private static string GetStaticExeAssembly()
{
try
{
return Assembly.GetExecutingAssembly().GetName().Name.ToString();
}
catch
{
return Process.GetCurrentProcess().ProcessName.ToString() +
"~error~";
}
}
private static string GetStaticCallAssembly()
{
try
{
return Assembly.GetCallingAssembly().GetName().Name.ToString();
}
catch
{
return Process.GetCurrentProcess().ProcessName.ToString() +
"~error~";
}
}
}
}
.
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