/// <summary>
/// Constructor
/// </summary>
/// <param name="terminalParameter">Terminal parameter</param>
/// <param name="socket">PipeSocket object</param>
/// <param name="pipedProcess">Process data (or null)</param>
public PipeTerminalConnection(PipeTerminalParameter terminalParameter, PipeSocket socket, PipedProcess pipedProcess) {
_terminalOutput = new PipeTerminalOutput();
_terminalParameter = terminalParameter;
_socket = socket;
_pipedProcess = pipedProcess;
if (_pipedProcess != null) {
_pipedProcess.Exited += delegate(object sender, EventArgs e) {
_socket.ProcessExited();
};
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="terminalParameter">Terminal parameter</param>
/// <param name="socket">PipeSocket object</param>
/// <param name="pipedProcess">Process data (or null)</param>
public PipeTerminalConnection(PipeTerminalParameter terminalParameter, PipeSocket socket, PipedProcess pipedProcess)
{
_terminalOutput = new PipeTerminalOutput();
_terminalParameter = terminalParameter;
_socket = socket;
_pipedProcess = pipedProcess;
if (_pipedProcess != null)
{
_pipedProcess.Exited += delegate(object sender, EventArgs e) {
_socket.ProcessExited();
};
}
}
/// <summary>
/// Start exe file and create a new PipeTerminalConnection
/// </summary>
/// <param name="param">Terminal parameter</param>
/// <returns>created object</returns>
/// <exception cref="Win32Exception">Error in Win32 API</exception>
private static PipeTerminalConnection OpenExeFile(PipeTerminalParameter param)
{
// System.Diagnostics.Process has functionality that creates STDIN/STDOUT/STDERR pipe.
// But we need two pipes. One connects to STDIN and another one connects to STDOUT and STDERR.
// So we use Win32 API to invoke a new process.
SafeFileHandle parentReadHandle = null;
SafeFileHandle parentWriteHandle = null;
SafeFileHandle childReadHandle = null;
SafeFileHandle childWriteHandle = null;
SafeFileHandle childStdInHandle = null;
SafeFileHandle childStdOutHandle = null;
SafeFileHandle childStdErrHandle = null;
FileStream parentReadStream = null;
FileStream parentWriteStream = null;
try {
// Create pipes
CreateAsyncPipe(out parentReadHandle, true, out childWriteHandle, false);
CreateAsyncPipe(out childReadHandle, false, out parentWriteHandle, true);
// Duplicate handles as inheritable handles.
childStdOutHandle = DuplicatePipeHandle(childWriteHandle, true, "ChildWrite");
childStdInHandle = DuplicatePipeHandle(childReadHandle, true, "ChildRead");
childStdErrHandle = DuplicatePipeHandle(childWriteHandle, true, "ChildWrite");
// Close non-inheritable handles
childWriteHandle.Dispose();
childWriteHandle = null;
childReadHandle.Dispose();
childReadHandle = null;
// Create parent side streams
parentReadStream = new FileStream(parentReadHandle, FileAccess.Read, 4096, true /*Async*/);
parentWriteStream = new FileStream(parentWriteHandle, FileAccess.Write, 4096, true /*Async*/);
// Prepare command line
string commandLine = GetCommandLine(param.ExeFilePath, param.CommandLineOptions);
// Determine character encoding of the environment variables
bool unicodeEnvironment = (Environment.OSVersion.Platform == PlatformID.Win32NT) ? true : false;
// Prepare flags
// Note:
// We use CREATE_NEW_CONSOLE for separating console.
// It disables CREATE_NO_WINDOW, so we use setting below
// to hide the console window.
// STARTUPINFO.dwFlags |= STARTF_USESHOWWINDOW
// STARTUPINFO.wShowWindow = SW_HIDE
int creationFlags = CREATE_NEW_CONSOLE /*| CREATE_NO_WINDOW*/;
if (unicodeEnvironment)
{
creationFlags |= CREATE_UNICODE_ENVIRONMENT;
}
// Prepare environment variables
Dictionary <String, String> envDict = new Dictionary <String, String>();
foreach (DictionaryEntry entry in Environment.GetEnvironmentVariables())
{
string key = entry.Key as string;
string value = entry.Value as string;
if (key != null && value != null)
{
envDict.Add(key.ToLowerInvariant(), key + "=" + value);
}
}
if (param.EnvironmentVariables != null)
{
foreach (PipeTerminalParameter.EnvironmentVariable ev in param.EnvironmentVariables)
{
string expandedValue = Environment.ExpandEnvironmentVariables(ev.Value);
string key = ev.Name.ToLowerInvariant();
envDict.Remove(key);
envDict.Add(key, ev.Name + "=" + expandedValue);
}
}
byte[] environmentByteArray = GetEnvironmentBytes(envDict, unicodeEnvironment);
// Prepare current directory
string currentDirectory = Path.GetDirectoryName(param.ExeFilePath);
// Prepare STARTUPINFO
STARTUPINFO startupInfo = new STARTUPINFO();
startupInfo.dwFlags |= STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
startupInfo.hStdInput = childStdInHandle;
startupInfo.hStdOutput = childStdOutHandle;
startupInfo.hStdError = childStdErrHandle;
startupInfo.wShowWindow = SW_HIDE;
// Prepare PROCESS_INFORMATION
PROCESS_INFORMATION processInfo = new PROCESS_INFORMATION();
// Start process
GCHandle environmentGCHandle = GCHandle.Alloc(environmentByteArray, GCHandleType.Pinned);
bool apiret = CreateProcess(
null,
commandLine,
IntPtr.Zero,
IntPtr.Zero,
true,
creationFlags,
environmentGCHandle.AddrOfPinnedObject(),
currentDirectory,
startupInfo,
ref processInfo
);
environmentGCHandle.Free();
if (!apiret)
{
throw new Win32Exception("CreateProcess", Marshal.GetLastWin32Error(), "commandLine=" + commandLine);
}
Process process = Process.GetProcessById(processInfo.dwProcessId);
PipedProcess pipedProcess = new PipedProcess(process, childStdInHandle, childStdOutHandle, childStdErrHandle);
PipeSocket socket = new PipeSocket(parentReadStream, parentWriteStream);
PipeTerminalConnection connection = new PipeTerminalConnection(param, socket, pipedProcess);
return(connection);
}
catch (Exception) {
if (parentReadStream != null)
{
parentReadStream.Dispose();
}
if (parentWriteStream != null)
{
parentWriteStream.Dispose();
}
if (parentReadHandle != null)
{
parentReadHandle.Dispose();
}
if (parentWriteHandle != null)
{
parentWriteHandle.Dispose();
}
if (childReadHandle != null)
{
childReadHandle.Dispose();
}
if (childWriteHandle != null)
{
childWriteHandle.Dispose();
}
if (childStdInHandle != null)
{
childStdInHandle.Dispose();
}
if (childStdOutHandle != null)
{
childStdOutHandle.Dispose();
}
if (childStdErrHandle != null)
{
childStdErrHandle.Dispose();
}
throw;
}
}
/// <summary>
/// Start exe file and create a new PipeTerminalConnection
/// </summary>
/// <param name="param">Terminal parameter</param>
/// <returns>created object</returns>
/// <exception cref="Win32Exception">Error in Win32 API</exception>
private static PipeTerminalConnection OpenExeFile(PipeTerminalParameter param) {
// System.Diagnostics.Process has functionality that creates STDIN/STDOUT/STDERR pipe.
// But we need two pipes. One connects to STDIN and another one connects to STDOUT and STDERR.
// So we use Win32 API to invoke a new process.
SafeFileHandle parentReadHandle = null;
SafeFileHandle parentWriteHandle = null;
SafeFileHandle childReadHandle = null;
SafeFileHandle childWriteHandle = null;
SafeFileHandle childStdInHandle = null;
SafeFileHandle childStdOutHandle = null;
SafeFileHandle childStdErrHandle = null;
FileStream parentReadStream = null;
FileStream parentWriteStream = null;
try {
// Create pipes
CreateAsyncPipe(out parentReadHandle, true, out childWriteHandle, false);
CreateAsyncPipe(out childReadHandle, false, out parentWriteHandle, true);
// Duplicate handles as inheritable handles.
childStdOutHandle = DuplicatePipeHandle(childWriteHandle, true, "ChildWrite");
childStdInHandle = DuplicatePipeHandle(childReadHandle, true, "ChildRead");
childStdErrHandle = DuplicatePipeHandle(childWriteHandle, true, "ChildWrite");
// Close non-inheritable handles
childWriteHandle.Dispose();
childWriteHandle = null;
childReadHandle.Dispose();
childReadHandle = null;
// Create parent side streams
parentReadStream = new FileStream(parentReadHandle, FileAccess.Read, 4096, true /*Async*/);
parentWriteStream = new FileStream(parentWriteHandle, FileAccess.Write, 4096, true /*Async*/);
// Prepare command line
string commandLine = GetCommandLine(param.ExeFilePath, param.CommandLineOptions);
// Determine character encoding of the environment variables
bool unicodeEnvironment = (Environment.OSVersion.Platform == PlatformID.Win32NT) ? true : false;
// Prepare flags
// Note:
// We use CREATE_NEW_CONSOLE for separating console.
// It disables CREATE_NO_WINDOW, so we use setting below
// to hide the console window.
// STARTUPINFO.dwFlags |= STARTF_USESHOWWINDOW
// STARTUPINFO.wShowWindow = SW_HIDE
int creationFlags = CREATE_NEW_CONSOLE /*| CREATE_NO_WINDOW*/;
if (unicodeEnvironment)
creationFlags |= CREATE_UNICODE_ENVIRONMENT;
// Prepare environment variables
Dictionary<String, String> envDict = new Dictionary<String, String>();
foreach (DictionaryEntry entry in Environment.GetEnvironmentVariables()) {
string key = entry.Key as string;
string value = entry.Value as string;
if (key != null && value != null) {
envDict.Add(key.ToLowerInvariant(), key + "=" + value);
}
}
if (param.EnvironmentVariables != null) {
foreach (PipeTerminalParameter.EnvironmentVariable ev in param.EnvironmentVariables) {
string expandedValue = Environment.ExpandEnvironmentVariables(ev.Value);
string key = ev.Name.ToLowerInvariant();
envDict.Remove(key);
envDict.Add(key, ev.Name + "=" + expandedValue);
}
}
byte[] environmentByteArray = GetEnvironmentBytes(envDict, unicodeEnvironment);
// Prepare current directory
string currentDirectory = Path.GetDirectoryName(param.ExeFilePath);
// Prepare STARTUPINFO
STARTUPINFO startupInfo = new STARTUPINFO();
startupInfo.dwFlags |= STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
startupInfo.hStdInput = childStdInHandle;
startupInfo.hStdOutput = childStdOutHandle;
startupInfo.hStdError = childStdErrHandle;
startupInfo.wShowWindow = SW_HIDE;
// Prepare PROCESS_INFORMATION
PROCESS_INFORMATION processInfo = new PROCESS_INFORMATION();
// Start process
GCHandle environmentGCHandle = GCHandle.Alloc(environmentByteArray, GCHandleType.Pinned);
bool apiret = CreateProcess(
null,
commandLine,
IntPtr.Zero,
IntPtr.Zero,
true,
creationFlags,
environmentGCHandle.AddrOfPinnedObject(),
currentDirectory,
startupInfo,
ref processInfo
);
environmentGCHandle.Free();
if (!apiret)
throw new Win32Exception("CreateProcess", Marshal.GetLastWin32Error(), "commandLine=" + commandLine);
Process process = Process.GetProcessById(processInfo.dwProcessId);
PipedProcess pipedProcess = new PipedProcess(process, childStdInHandle, childStdOutHandle, childStdErrHandle);
PipeSocket socket = new PipeSocket(parentReadStream, parentWriteStream);
PipeTerminalConnection connection = new PipeTerminalConnection(param, socket, pipedProcess);
return connection;
}
catch (Exception) {
if (parentReadStream != null)
parentReadStream.Dispose();
if (parentWriteStream != null)
parentWriteStream.Dispose();
if (parentReadHandle != null)
parentReadHandle.Dispose();
if (parentWriteHandle != null)
parentWriteHandle.Dispose();
if (childReadHandle != null)
childReadHandle.Dispose();
if (childWriteHandle != null)
childWriteHandle.Dispose();
if (childStdInHandle != null)
childStdInHandle.Dispose();
if (childStdOutHandle != null)
childStdOutHandle.Dispose();
if (childStdErrHandle != null)
childStdErrHandle.Dispose();
throw;
}
}
