/// <summary>
/// Runs the provided command with args with optional message callbacks.
/// </summary>
/// <param name="command"></param>
/// <param name="args"></param>
/// <returns></returns>
public static int Run(string command, string args,
EventHandler <EventArgs <string> > stdOutCallback,
EventHandler <EventArgs <string> > stdErrCallback,
EventHandler <EventArgs <string> > debugCallback
)
{
EmbeddedProcessExecutor proc = new EmbeddedProcessExecutor();
var startInfo = new EmbeddedProcessStartInfo();
startInfo.FileName = command;
startInfo.Arguments = args;
if (stdOutCallback != null)
{
proc.StandardOutputMessageReceived += stdOutCallback;
}
if (debugCallback != null)
{
proc.DebugMessage += debugCallback;
}
if (stdErrCallback != null)
{
proc.StandardErrorMessageReceived += stdErrCallback;
}
proc.Run(startInfo);
return(proc.ExitCode);
}
public string Run(EmbeddedProcessStartInfo startInfo)
{
_standardOutput = new StringBuilder();
_standardError = new StringBuilder();
_startInfo = startInfo;
Thread thdOutput = null;
Thread thdError = null;
ProcessStartInfo objStartInfo = new ProcessStartInfo()
{
FileName = _startInfo.FileName,
WorkingDirectory = _startInfo.WorkingDirectory,
Arguments = _startInfo.Arguments,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
};
_process = new Process();
_process.StartInfo = objStartInfo;
_log.Trace(DoDebugMessage("embedded process file name: {0}", objStartInfo.FileName));
_log.Trace(DoDebugMessage("embedded process command line: {0}", objStartInfo.Arguments));
_log.Trace(DoDebugMessage("embedded process working dir: {0}", objStartInfo.WorkingDirectory));
var result = new EmbeddedProcessResult();
try
{
thdOutput = new Thread(new ParameterizedThreadStart(ReadStream));
thdError = new Thread(new ParameterizedThreadStart(ReadStream));
_log.Trace(DoDebugMessage("calling process start"));
_process.Start();
_log.Trace(DoDebugMessage("starting stream reader threads"));
thdOutput.Start(new StreamReaderThreadStart(_process.StandardOutput, false, startInfo.StandardOutFile));
thdError.Start(new StreamReaderThreadStart(_process.StandardError, true));
//wait for process to finish
_log.Trace(DoDebugMessage("waiting for external process to exit"));
_process.WaitForExit();
//join the stream reader threads to ensure we capture everything
_log.Trace(DoDebugMessage("joining stream reader threads"));
thdError.Join(2000);
thdOutput.Join(2000);
_log.Trace(DoDebugMessage("process call exited with code {0}", _process.ExitCode));
ExitCode = _process.ExitCode;
if (!_process.HasExited)
{
try
{
_process.Kill();
}
catch { /* swallow kill exceptions */ }
throw new Exception(string.Format(
"External process for file '{0}' in directory '{1} failed to complete within the specified timeout.",
_startInfo.FileName,
_startInfo.WorkingDirectory));
}
}
catch (Exception ex)
{
_log.Error(ex, "unexpected exception occurred during external process");
throw;
}
finally
{
_log.Trace(DoDebugMessage("closing and disposing process"));
_process.Close();
_process.Dispose();
}
return(_standardOutput.ToString());
}