private void collectComponentVersions()
{
const string NEW_LINE = "\n";
const string SEMI_COLON = ";";
StringBuilder sb = new StringBuilder(4096);
StringBuilder md5base = new StringBuilder(4096);
List <Assembly> assemblies = new List <Assembly>();
foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
{
if (null == assembly || assembly.IsDynamic)
{
continue;
}
assemblies.Add(assembly);
}
// Sort all the assemblies, so that the checksum over all of them is the same across all machines.
assemblies.Sort(delegate(Assembly a, Assembly b)
{
if (null == a && null == b)
{
return(0);
}
else if (null == a)
{
return(-1);
}
else if (null == b)
{
return(1);
}
else
{
try
{
string aFileName = GetFileNameFromLocation(a.Location);
string bFileName = GetFileNameFromLocation(b.Location);
return(aFileName.CompareTo(bFileName));
}
catch (Exception ex1)
{
try
{
Cat.lastException = ex1;
return(a.FullName.CompareTo(b.FullName));
}
catch (Exception ex2)
{
Cat.lastException = ex2;
return(0);
}
}
}
});
foreach (var assembly in assemblies)
{
try {
string location = assembly.Location;
FileVersionInfo fileVersionInfo = FileVersionInfo.GetVersionInfo(assembly.Location);
string fileVersion = fileVersionInfo.FileVersion.ToString();
string productVersion = fileVersionInfo.ProductVersion.ToString();
string fileName = GetFileNameFromLocation(location);
sb.Append(location).Append("?");
md5base.Append(fileName).Append("?"); // md5base does not consider full path but only file name.
sb.Append("v=").Append(fileVersion).Append(SEMI_COLON);
// md5base does not consider fileVersion but only productVersion
sb.Append("pv=").Append(productVersion).Append(SEMI_COLON);
md5base.Append(productVersion).Append(SEMI_COLON);
FileInfo fileInfo = new FileInfo(location);
if (fileInfo.Exists)
{
sb.Append("size=").Append(fileInfo.Length).Append(NEW_LINE);
md5base.Append(fileInfo.Length).Append(NEW_LINE);
}
else
{
sb.Append(NEW_LINE);
md5base.Append(NEW_LINE);
}
} catch (Exception ex) {
Cat.lastException = ex;
}
}
;
componentVersions = sb.ToString();
try
{
componentsChecksum = MD5Util.Compute(md5base.ToString());
}
catch (Exception ex)
{
Cat.lastException = ex;
}
}
