internal static Task CollectDumpAsync(Process process, string outputFile, NETCore.Client.DumpType type)
{
// We can't do this "asynchronously" so just Task.Run it. It shouldn't be "long-running" so this is fairly safe.
return(Task.Run(() =>
{
// Open the file for writing
using (var stream = new FileStream(outputFile, FileMode.Create, FileAccess.ReadWrite, FileShare.None))
{
var exceptionInfo = new NativeMethods.MINIDUMP_EXCEPTION_INFORMATION();
NativeMethods.MINIDUMP_TYPE dumpType = NativeMethods.MINIDUMP_TYPE.MiniDumpNormal;
switch (type)
{
case NETCore.Client.DumpType.Full:
dumpType = NativeMethods.MINIDUMP_TYPE.MiniDumpWithFullMemory |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithDataSegs |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithHandleData |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithUnloadedModules |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithFullMemoryInfo |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithThreadInfo |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithTokenInformation;
break;
case NETCore.Client.DumpType.WithHeap:
dumpType = NativeMethods.MINIDUMP_TYPE.MiniDumpWithPrivateReadWriteMemory |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithDataSegs |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithHandleData |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithUnloadedModules |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithFullMemoryInfo |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithThreadInfo |
NativeMethods.MINIDUMP_TYPE.MiniDumpWithTokenInformation;
break;
case NETCore.Client.DumpType.Normal:
dumpType = NativeMethods.MINIDUMP_TYPE.MiniDumpWithThreadInfo;
break;
}
// Retry the write dump on ERROR_PARTIAL_COPY
for (int i = 0; i < 5; i++)
{
// Dump the process!
if (NativeMethods.MiniDumpWriteDump(process.Handle, (uint)process.Id, stream.SafeFileHandle, dumpType, ref exceptionInfo, IntPtr.Zero, IntPtr.Zero))
{
break;
}
else
{
int err = Marshal.GetHRForLastWin32Error();
if (err != NativeMethods.ERROR_PARTIAL_COPY)
{
Marshal.ThrowExceptionForHR(err);
}
}
}
}
}));
}
public async Task <Stream> GetDump(IProcessInfo pi, DumpType mode, CancellationToken token)
{
string dumpFilePath = Path.Combine(Path.GetTempPath(), FormattableString.Invariant($"{Guid.NewGuid()}_{pi.ProcessId}"));
NETCore.Client.DumpType dumpType = MapDumpType(mode);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
// Get the process
Process process = Process.GetProcessById(pi.ProcessId);
await Dumper.CollectDumpAsync(process, dumpFilePath, dumpType);
}
else
{
await Task.Run(() =>
{
pi.Client.WriteDump(dumpType, dumpFilePath);
});
}
return(new AutoDeleteFileStream(dumpFilePath));
}
public async Task <Stream> GetDump(int pid, DumpType mode)
{
string dumpFilePath = FormattableString.Invariant($@"{Path.GetTempPath()}{Path.DirectorySeparatorChar}{Guid.NewGuid()}_{pid}");
NETCore.Client.DumpType dumpType = MapDumpType(mode);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
// Get the process
Process process = Process.GetProcessById(pid);
await Dumper.CollectDumpAsync(process, dumpFilePath, dumpType);
}
else
{
await Task.Run(() =>
{
var client = new DiagnosticsClient(pid);
client.WriteDump(dumpType, dumpFilePath);
});
}
return(new AutoDeleteFileStream(dumpFilePath));
}
