public async Task <IEnumerable <IEndpointInfo> > GetEndpointInfoAsync(CancellationToken token)
{
var endpointInfos = await _source.GetEndpointInfoAsync(token);
// Apply process ID filter
if (_processIdToFilterOut.HasValue)
{
endpointInfos = endpointInfos.Where(info => info.ProcessId != _processIdToFilterOut.Value);
}
// Apply runtime instance cookie filter
if (_runtimeInstanceCookieToFilterOut.HasValue)
{
endpointInfos = endpointInfos.Where(info => info.RuntimeInstanceCookie != _runtimeInstanceCookieToFilterOut.Value);
}
return(endpointInfos);
}
public async Task <IEnumerable <IProcessInfo> > GetProcessesAsync(DiagProcessFilter processFilterConfig, CancellationToken token)
{
IEnumerable <IProcessInfo> processes = null;
try
{
using CancellationTokenSource extendedInfoCancellation = CancellationTokenSource.CreateLinkedTokenSource(token);
IList <Task <IProcessInfo> > processInfoTasks = new List <Task <IProcessInfo> >();
foreach (IEndpointInfo endpointInfo in await _endpointInfoSource.GetEndpointInfoAsync(token))
{
// CONSIDER: Can this processing be pushed into the IEndpointInfoSource implementation and cached
// so that extended process information doesn't have to be recalculated for every call. This would be
// useful for:
// - .NET Core 3.1 processes, which require issuing a brief event pipe session to get the process commmand
// line information and parse out the process name
// - Caching entrypoint information (when that becomes available).
processInfoTasks.Add(ProcessInfoImpl.FromEndpointInfoAsync(endpointInfo, extendedInfoCancellation.Token));
}
// FromEndpointInfoAsync can fill in the command line for .NET Core 3.1 processes by invoking the
// event pipe and capturing the ProcessInfo event. Timebox this operation with the cancellation token
// so that getting the process list does not take a long time or wait indefinitely.
extendedInfoCancellation.CancelAfter(ProcessInfoImpl.ExtendedProcessInfoTimeout);
await Task.WhenAll(processInfoTasks);
processes = processInfoTasks.Select(t => t.Result);
}
catch (UnauthorizedAccessException)
{
throw new InvalidOperationException(Strings.ErrorMessage_ProcessEnumeratuinFailed);
}
if (processFilterConfig != null)
{
processes = processes.Where(p => processFilterConfig.Filters.All(c => c.MatchFilter(p)));
}
return(processes.ToArray());
}
