/// <summary>Run the AccuRev \e command synchronously (blocks) on the current thread.</summary>
/// <param name="command">The AccuRev command to run, e.g. <tt>hist -fx -p AcTools -t 453</tt></param>
/// <param name="validator">Use to change the [default logic](@ref AcUtils#CmdValidate#isValid) for determining
/// if an AcUtilsException should be thrown based on AccuRev's program return value for \e command.</param>
/// <returns>On success an AcResult object with AcResult.RetVal set to the AccuRev program return value and the command
/// result (usually XML) in AcResult.CmdResult. Otherwise, AcResult.RetVal is <em>minus one (-1)</em> (default) on error.
/// </returns>
/// <exception cref="AcUtilsException">thrown on AccuRev program invocation failure or <tt>merge/diff</tt>
/// program error (return value <em>two (2)</em>).</exception>
/// <exception cref="Win32Exception">caught and [logged](@ref AcUtils#AcDebug#initAcLogging)
/// in <tt>\%LOCALAPPDATA\%\\AcTools\\Logs\\<prog_name\>-YYYY-MM-DD.log</tt> on error spawning the AccuRev process that runs the command.</exception>
/// <exception cref="InvalidOperationException">caught and logged in same on failure to handle a range of exceptions.</exception>
/*! \attention Do not use this function for the <tt>ismember</tt> command. Instead, use AcGroups#isMember. */
public static AcResult run(string command, ICmdValidate validator = null)
{
AcResult result = new AcResult();
StringBuilder error = new StringBuilder(512);
try
{
using (Process process = new Process())
{
process.StartInfo.FileName = "accurev";
process.StartInfo.Arguments = command;
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.RedirectStandardInput = true; // fix for AccuRev defect 29059
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.StandardOutputEncoding = Encoding.UTF8;
process.StartInfo.StandardErrorEncoding = Encoding.UTF8;
process.ErrorDataReceived += (sender, e) =>
{
error.AppendLine(e.Data);
};
StringBuilder output = new StringBuilder();
output.Capacity = 4096;
process.OutputDataReceived += (sender, e) =>
{
output.AppendLine(e.Data);
};
process.Start();
process.BeginErrorReadLine();
process.BeginOutputReadLine();
process.WaitForExit(); // blocks here. recommended to ensure output buffer has been flushed
if (process.HasExited)
{
string err = error.ToString().Trim();
if (!String.IsNullOrEmpty(err) &&
!(String.Equals("You are not in a directory associated with a workspace", err)))
{
AcDebug.Log(err, false);
}
ICmdValidate validate = validator ?? new CmdValidate();
if (validate.isValid(command, process.ExitCode))
{
result.RetVal = process.ExitCode;
result.CmdResult = output.ToString();
}
else
{
throw new AcUtilsException($"AccuRev program return: {process.ExitCode}{Environment.NewLine}accurev {command}"); // let calling method handle
}
}
}
}
catch (Win32Exception ecx)
{
string msg = String.Format(@"Win32Exception caught and logged in AcCommand.run{0}{1}{0}""accurev {2}""{0}errorcode: {3}{0}native errorcode: {4}{0}{5}{0}{6}{0}{7}{0}{8}",
Environment.NewLine, ecx.Message, command, ecx.ErrorCode.ToString(), ecx.NativeErrorCode.ToString(), ecx.StackTrace, ecx.Source, ecx.GetBaseException().Message, error.ToString());
AcDebug.Log(msg);
}
catch (InvalidOperationException ecx)
{
string msg = String.Format(@"InvalidOperationException caught and logged in AcCommand.run{0}{1}{0}""accurev {2}""{0}{3}",
Environment.NewLine, ecx.Message, command, error.ToString());
AcDebug.Log(msg);
}
return(result);
}
/// <summary>Run the AccuRev \e command asynchronously with non-blocking I/O.</summary>
/// <remarks>To reduce the risk of the AccuRev server becoming unresponsive due to an excess of commands,
/// the maximum number of commands that will run simultaneously for a client application is eight (8).
/// Other commands [are queued](@ref System#Threading#Tasks#Schedulers#LimitedConcurrencyLevelTaskScheduler)
/// until space is available. You can override this default value by creating the environment variable
/// \b ACUTILS_MAXCONCURRENT and specifying a different number, e.g. \c ACUTILS_MAXCONCURRENT=12.</remarks>
/// <param name="command">The AccuRev command to run, e.g. <tt>hist -fx -p AcTools -t 453</tt></param>
/// <param name="validator">Use to change the [default logic](@ref AcUtils#CmdValidate#isValid) for determining
/// if an AcUtilsException should be thrown based on AccuRev's program return value for \e command.</param>
/// <returns>An AcResult object with AcResult.RetVal set to the AccuRev program return value and the command result
/// (usually XML) in AcResult.CmdResult. Returns \e null if an exception occurs.
/// </returns>
/// <exception cref="AcUtilsException">thrown on AccuRev program invocation failure or <tt>merge/diff</tt>
/// program error (return value <em>two (2)</em>).</exception>
/// <exception cref="Win32Exception">caught and [logged](@ref AcUtils#AcDebug#initAcLogging)
/// in <tt>\%LOCALAPPDATA\%\\AcTools\\Logs\\<prog_name\>-YYYY-MM-DD.log</tt> on error spawning the AccuRev process that runs the command.</exception>
/// <exception cref="InvalidOperationException">caught and logged in same on failure to handle a range of exceptions.</exception>
/*! \attention Do not use this function for the <tt>ismember</tt> command. Instead, use AcGroups#isMember. */
public static async Task <AcResult> runAsync(string command, ICmdValidate validator = null)
{
TaskCompletionSource <AcResult> tcs = new TaskCompletionSource <AcResult>();
StringBuilder error = new StringBuilder(512);
try
{
await _taskFactory.StartNew(() =>
{
using (Process process = new Process())
{
process.StartInfo.FileName = "accurev";
process.StartInfo.Arguments = command;
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.RedirectStandardInput = true; // fix for AccuRev defect 29059
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.StandardOutputEncoding = Encoding.UTF8;
process.StartInfo.StandardErrorEncoding = Encoding.UTF8;
process.ErrorDataReceived += (sender, e) =>
{
error.AppendLine(e.Data);
};
process.Start();
process.BeginErrorReadLine();
Task <string> output = process.StandardOutput.ReadToEndAsync();
process.WaitForExit();
if (process.HasExited)
{
string err = error.ToString().Trim();
if (!String.IsNullOrEmpty(err) &&
!(String.Equals("You are not in a directory associated with a workspace", err)))
{
AcDebug.Log(err, false);
}
ICmdValidate validate = validator ?? new CmdValidate();
if (validate.isValid(command, process.ExitCode))
{
tcs.SetResult(new AcResult(process.ExitCode, output.Result));
}
else
{
tcs.SetException(new AcUtilsException($"AccuRev program return: {process.ExitCode}{Environment.NewLine}accurev {command}")); // let calling method handle
}
}
}
}).ConfigureAwait(false);
}
catch (Win32Exception ecx)
{
string msg = String.Format(@"Win32Exception caught and logged in AcCommand.runAsync{0}{1}{0}""accurev {2}""{0}errorcode: {3}{0}native errorcode: {4}{0}{5}{0}{6}{0}{7}{0}{8}",
Environment.NewLine, ecx.Message, command, ecx.ErrorCode.ToString(), ecx.NativeErrorCode.ToString(), ecx.StackTrace, ecx.Source, ecx.GetBaseException().Message, error.ToString());
AcDebug.Log(msg);
tcs.SetException(ecx);
}
catch (InvalidOperationException ecx)
{
string msg = String.Format(@"InvalidOperationException caught and logged in AcCommand.runAsync{0}{1}{0}""accurev {2}""{0}{3}",
Environment.NewLine, ecx.Message, command, error.ToString());
AcDebug.Log(msg);
tcs.SetException(ecx);
}
return(await tcs.Task.ConfigureAwait(false));
}
