public async Task StartLogs(Stream outputStream, int pid, TimeSpan duration, CancellationToken token)
{
using var loggerFactory = new LoggerFactory();
loggerFactory.AddProvider(new StreamingLoggerProvider(outputStream));
await using var processor = new DiagnosticsEventPipeProcessor(PipeMode.Logs,
loggerFactory: loggerFactory);
await processor.Process(pid, duration, token);
}
public async Task StartLogs(Stream outputStream, IProcessInfo pi, TimeSpan duration, LogFormat format, LogLevel level, CancellationToken token)
{
using var loggerFactory = new LoggerFactory();
loggerFactory.AddProvider(new StreamingLoggerProvider(outputStream, format, level));
await using var processor = new DiagnosticsEventPipeProcessor(
PipeMode.Logs,
loggerFactory: loggerFactory,
logsLevel: level);
await processor.Process(pi.Client, pi.ProcessId, duration, token);
}
public async Task <Stream> GetGcDump(int pid, CancellationToken cancellationToken)
{
var graph = new MemoryGraph(50_000);
await using var processor = new DiagnosticsEventPipeProcessor(PipeMode.GCDump,
gcGraph: graph);
await processor.Process(pid, Timeout.InfiniteTimeSpan, cancellationToken);
var dumper = new GCHeapDump(graph);
dumper.CreationTool = "dotnet-monitor";
var stream = new MemoryStream();
var serializer = new Serializer(stream, dumper, leaveOpen: true);
serializer.Close();
stream.Position = 0;
return(stream);
}
public async Task StartLogs(Stream outputStream, int pid, TimeSpan duration, CancellationToken token)
{
var loggerFactory = new LoggerFactory();
loggerFactory.AddProvider(new StreamingLoggerProvider(outputStream));
var processor = new DiagnosticsEventPipeProcessor(_contextConfiguration,
PipeMode.Logs,
loggerFactory,
Enumerable.Empty <IMetricsLogger>());
try
{
await processor.Process(pid, duration, token);
}
finally
{
await processor.DisposeAsync();
loggerFactory.Dispose();
}
}
// Creates a ProcessInfo object from the IEndpointInfo. Attempts to get the command line using event pipe
// if the endpoint information doesn't provide it. The cancelation token can be used to timebox this fallback
// mechansim.
public static async Task <ProcessInfo> FromEndpointInfoAsync(IEndpointInfo endpointInfo, CancellationToken extendedInfoCancellationToken)
{
if (null == endpointInfo)
{
throw new ArgumentNullException(nameof(endpointInfo));
}
var client = new DiagnosticsClient(endpointInfo.Endpoint);
string commandLine = endpointInfo.CommandLine;
if (string.IsNullOrEmpty(commandLine))
{
await using var processor = new DiagnosticsEventPipeProcessor(
PipeMode.ProcessInfo,
processInfoCallback: cmdLine => { commandLine = cmdLine; return(Task.CompletedTask); });
try
{
await processor.Process(
client,
endpointInfo.ProcessId,
Timeout.InfiniteTimeSpan,
extendedInfoCancellationToken);
}
catch
{
}
}
string processName = null;
if (!string.IsNullOrEmpty(commandLine))
{
// Get the process name from the command line
bool isWindowsProcess = false;
if (string.IsNullOrEmpty(endpointInfo.OperatingSystem))
{
// If operating system is null, the process is likely .NET Core 3.1 (which doesn't have the GetProcessInfo command).
// Since the underlying diagnostic communication channel used by the .NET runtime requires that the diagnostic process
// must be running on the same type of operating system as the target process (e.g. dotnet-monitor must be running on Windows
// if the target process is running on Windows), then checking the local operating system should be a sufficient heuristic
// to determine the operating system of the target process.
isWindowsProcess = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
}
else
{
isWindowsProcess = ProcessOperatingSystemWindowsValue.Equals(endpointInfo.OperatingSystem, StringComparison.OrdinalIgnoreCase);
}
string processPath = CommandLineHelper.ExtractExecutablePath(commandLine, isWindowsProcess);
if (!string.IsNullOrEmpty(processPath))
{
processName = Path.GetFileName(processPath);
if (isWindowsProcess)
{
// Remove the extension on Windows to match the behavior of Process.ProcessName
processName = Path.GetFileNameWithoutExtension(processName);
}
}
}
// The GetProcessInfo command will return "unknown" for values for which it does
// not know the value, such as operating system and process architecture if the
// process is running on one that is not predefined. Mimic the same behavior here
// when the extra process information was not provided.
return(new ProcessInfo(
client,
endpointInfo.RuntimeInstanceCookie,
endpointInfo.ProcessId,
processName ?? ProcessFieldUnknownValue,
commandLine ?? ProcessFieldUnknownValue,
endpointInfo.OperatingSystem ?? ProcessFieldUnknownValue,
endpointInfo.ProcessArchitecture ?? ProcessFieldUnknownValue));
}
