利用SOCKETS
Socket s=new Socket(AddressFamily.Irda,SocketType.Stream,ProtocolType.Tcp);
用WINCE C#编写红外通信的代码
using System;
using System.Text;
using System.Runtime.InteropServices;
using Microsoft.WindowsCE.Forms;
namespace MySquirtCF
{
/// <summary>
/// Summary description for MyMsgWindow.
/// </summary>
public class MyMsgWindow : MessageWindow
{
public MyMsgWindow()
{
//
// TODO: Add constructor logic here
//
}
public string Text
{
get
{
StringBuilder sbText = new StringBuilder (256);
GetWindowText (this.Hwnd, sbText, sbText.Capacity);
return sbText.ToString();
}
set
{
SetWindowText (this.Hwnd, value);
}
}
public static IntPtr FindOtherWindow (string strTitle)
{
return FindWindow (null, strTitle);
}
protected override void WndProc(ref Message m)
{
base.WndProc (ref m);
}
/// <summary>
/// Returns true when running on a Pocket PC
/// </summary>
/// <returns></returns>
public static bool IsPocketPC ()
{
bool fPocketPC = false;
StringBuilder sb = new StringBuilder (256);
PrivGetPlatString (257, sb.Capacity, sb, 0);
string strPlat = sb.ToString();
if (strPlat == "PocketPC")
fPocketPC = true;
return fPocketPC;
}
// Used by IsPocketPC routine to get the platform string
[DllImport ("Coredll.dll", EntryPoint="SystemParametersInfoW")]
private static extern bool PrivGetPlatString (int Cmd,
int StrLen, StringBuilder strPlat, int fWinIni);
[DllImport ("coredll.dll", EntryPoint="FindWindowW")]
private static extern IntPtr FindWindow (string strClass,
string strTitle);
[DllImport ("coredll.dll", EntryPoint="SetWindowTextW")]
private static extern void SetWindowText (IntPtr h, string s);
[ DllImport( "coredll.dll", EntryPoint="GetWindowTextW")]
public static extern int GetWindowText (IntPtr h,
StringBuilder sysDirBuffer, int size );
}
}紧接上面的代码
Form1.cs
using System;
using System.Drawing;
using System.Collections;
using System.Windows.Forms;
using System.Data;
using System.Net.Sockets;
using System.IO;
using System.Text;
using System.Threading;
namespace MySquirtCF
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.MainMenu mainMenu1;
private System.Windows.Forms.Button btnGo;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button btnBrowse;
private System.Windows.Forms.TextBox textFileName;
private System.Windows.Forms.ListBox listOut;
private System.Windows.Forms.OpenFileDialog openFileDialog1;
private Microsoft.WindowsCE.Forms.InputPanel inputPanel1;
private bool m_fPocketPC;
private bool isRunning;
private Thread thServ;
private MenuItem menuFile;
private MenuItem menuExit;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
// See if we're running on a Pocket PC
if (MyMsgWindow.IsPocketPC())
m_fPocketPC = true;
if (m_fPocketPC)
{
// On a Pocket PC, adjust control position since
// Commandbar isn't used.
this.label1.Location = new Point (4, 5);
this.textFileName.Location = new Point (46, 4);
this.btnBrowse.Location = new Point (4, 30);
this.btnGo.Location = new Point (100, 30);
this.listOut.Location = new Point (4, 54);
// Set size of listbox depending on SIP
int height = this.inputPanel1.VisibleDesktop.Height -
this.listOut.Top;
if (!this.inputPanel1.Enabled)
height -= 26;
this.listOut.Size = new Size (this.listOut.Width, height);
// Place OK button on Nav Bar to close application
this.ControlBox = true;
this.MinimizeBox = false;
}
else
{
// On an embedded device, add a File | Exit menu item
menuFile = new MenuItem();
menuExit = new MenuItem();
menuExit.Text = "Exit";
menuExit.Click += new EventHandler(menuExit_Click);
menuFile.Text = "File";
menuFile.MenuItems.Add (menuExit);
mainMenu1.MenuItems.Add (menuFile);
}
int widthC = this.ClientRectangle.Width;
int heightC = this.ClientRectangle.Height;
this.Text = "IrSquirt";
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.mainMenu1 = new System.Windows.Forms.MainMenu();
this.btnGo = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.textFileName = new System.Windows.Forms.TextBox();
this.btnBrowse = new System.Windows.Forms.Button();
this.listOut = new System.Windows.Forms.ListBox();
this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
this.inputPanel1 = new Microsoft.WindowsCE.Forms.InputPanel();
//
// btnGo
//
this.btnGo.Location = new System.Drawing.Point(160, 58);
this.btnGo.Size = new System.Drawing.Size(80, 20);
this.btnGo.Text = "Send";
this.btnGo.Click += new System.EventHandler(this.btnGo_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 33);
this.label1.Size = new System.Drawing.Size(32, 20);
this.label1.Text = "File:";
//
// textFileName
//
this.textFileName.Location = new System.Drawing.Point(48, 32);
this.textFileName.Size = new System.Drawing.Size(192, 22);
this.textFileName.Text = "";
//
// btnBrowse
//
this.btnBrowse.Location = new System.Drawing.Point(8, 58);
this.btnBrowse.Size = new System.Drawing.Size(80, 20);
this.btnBrowse.Text = "Browse";
this.btnBrowse.Click += new
System.EventHandler(this.btnBrowse_Click);
//
// listOut
//
this.listOut.Location = new System.Drawing.Point(8, 82);
this.listOut.Size = new System.Drawing.Size(232, 198);
//
// inputPanel1
//
this.inputPanel1.EnabledChanged += new
System.EventHandler(this.inputPanel1_EnabledChanged);
//
// Form1
//
this.ClientSize = new System.Drawing.Size(250, 292);
this.Controls.Add(this.listOut);
this.Controls.Add(this.btnBrowse);
this.Controls.Add(this.textFileName);
this.Controls.Add(this.label1);
this.Controls.Add(this.btnGo);
this.MaximizeBox = false;
this.Menu = this.mainMenu1;
this.Text = "Form1";
this.Closing += new
System.ComponentModel.CancelEventHandler(this.Form1_Closing);
this.Load += new System.EventHandler(this.Form1_Load);
}
#endregion接上面
/// <summary>
/// The main entry point for the application.
/// </summary>
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Load(object sender, System.EventArgs e)
{
isRunning = true;
this.thServ = new Thread (new ThreadStart(this.SrvRoutine));
this.thServ.Start();
}
private void Form1_Closing(object sender,
System.ComponentModel.CancelEventArgs e)
{
isRunning = false;
Thread.Sleep(550);
}
private void menuExit_Click(object sender, System.EventArgs e)
{
this.Close();
}
private void btnBrowse_Click(object sender, System.EventArgs e)
{
DialogResult dr = this.openFileDialog1.ShowDialog();
if (dr != DialogResult.OK)
return;
this.textFileName.Text = openFileDialog1.FileName;
}
private void inputPanel1_EnabledChanged(object sender,
System.EventArgs e)
{
// Adjust the listbox to avoid being covered by the SIP.
if (m_fPocketPC)
{
int height = this.inputPanel1.VisibleDesktop.Height -
this.listOut.Top;
if (!this.inputPanel1.Enabled)
height -= 26;
this.listOut.Size = new Size (this.listOut.Width,
height);
}
}
private void btnGo_Click(object sender, System.EventArgs e)
{
string strFileName = this.textFileName.Text;
if (strFileName.Length > 0)
SendFileToIR (strFileName);
}
private void StringOut (string str)
{
this.listOut.Items.Add (str);
return;
}
/// <summary>
/// Sends a file to the other device
/// </summary>
/// <param name="strFileName"></param>
private void SendFileToIR (string strFileName)
{
Stream s;
FileStream fs;
int rc;
IrDAClient irClient;
try
{
fs = new FileStream (strFileName, FileMode.Open,
FileAccess.Read);
}
catch (IOException ex)
{
StringOut (string.Format("Error opening file {0}",
ex.Message));
return;
}
StringOut ("File opened");
irClient = new IrDAClient ();
//
// Connect to service
//
StringOut ("Waiting at connect");
try
{
irClient.Connect("MySquirt");
}
catch (SocketException ex)
{
StringOut (string.Format ("Sock connect exception {0}",
ex.ErrorCode));
fs.Close();
return;
}
StringOut ("Connected");
//
// Start transfer
//
try
{
s = irClient.GetStream();
}
catch (SocketException ex)
{
StringOut (string.Format ("Sock GetStream exception {0}",
ex.ErrorCode));
fs.Close();
irClient.Close();
return;
}
// Parse path to get only the file name and extension
char[] parse = "\\".ToCharArray();
string[] fnParts = strFileName.Split (parse);
string strNameOnly = fnParts[fnParts.Length-1];
int nLen = strNameOnly.Length;
// Allocate transfer buffer
byte[] buff = new byte[4096];
// Send name length
StringOut ("Sending file name");
if (!SendDWord (s, nLen+1))
{
StringOut (string.Format ("Error sending name length"));
return;
}
// Send name
UTF8Encoding UTF8enc = new UTF8Encoding();
UTF8enc.GetBytes (strNameOnly, 0, nLen, buff, 0);
buff[nLen] = 0;
try
{
s.Write (buff, 0, nLen+1);
}
catch (SocketException ex)
{
StringOut (string.Format ("Sock Write exception {0}",
ex.ErrorCode));
}
StringOut ("Sending file");
// Send file length
nLen = (int)fs.Length;
if (!SendDWord (s, nLen))
{
StringOut ("Error sending file list");
}
// Read back file open return code
StringOut ("Reading file create ack");
RecvDWord (s, out rc);
if (rc != 0)
{
StringOut (string.Format ("Bad Ack code {0}", rc));
fs.Close();
irClient.Close();
s.Close();
return;
}
StringOut ("ack received");
// Send file data
while (nLen > 0)
{
int j = -1;
try
{
j = (nLen > buff.Length) ? buff.Length : nLen;
StringOut (string.Format("Sending {0} bytes", j));
fs.Read (buff, 0, j);
s.Write (buff, 0, j);
nLen -= j;
if (!RecvDWord (s, out j))
break;
if (j != 0)
{
StringOut ("Error ack");
break;
}
}
catch (SocketException socex)
{
StringOut (string.Format ("5 Sock Err {0} ({1},{2}",
socex.ErrorCode, nLen, j));
break;
}
catch (IOException ioex)
{
StringOut (string.Format ("File Error {0}",
ioex.Message));
break;
}
// Allow other events to happen during loop
Application.DoEvents();
}
StringOut (string.Format("File sent"));
s.Close(); // Close the stream
irClient.Close(); // Close the socket
fs.Close(); // Close the file
return;
}
/// <summary>
/// Sends a DWORD to the other device
/// </summary>
/// <param name="s"></param>
/// <param name="i"></param>
/// <returns></returns>
bool SendDWord (Stream s, int i)
{
byte[] b = BitConverter.GetBytes (i);
try
{
s.Write (b, 0, 4);
}
catch (SocketException ex)
{
StringOut (string.Format ("Err {0} writing dword",
ex.ErrorCode));
return false;
}
return true;
}
/// <summary>
/// Receiveds a DWORD from the other device
/// </summary>
/// <param name="s"></param>
/// <param name="i"></param>
/// <returns></returns>
bool RecvDWord (Stream s, out int i)
{
byte[] b = new byte[4];
try
{
s.Read (b, 0, 4);
}
catch (SocketException ex)
{
StringOut (string.Format ("Err {0} reading dword",
ex.ErrorCode));
i = 0;
return false;
}
i = BitConverter.ToInt32 (b, 0);
return true;
}
/// <summary>
/// Server thread
/// </summary>
public void SrvRoutine()
{
IrDAListener irListen;
FileStream fs;
string strFileName;
int nLen;
IrDAClient irClientSrv;
Stream s;
byte[] buff = new byte[4096];
try
{
irListen = new IrDAListener("MySquirt");
irListen.Start();
}
catch (SocketException ex)
{
StringOut (string.Format("Err {0} creating IrDAListener",
ex.ErrorCode));
return;
}
StringOut ("IrdaListener created");
while (isRunning)
{
if (irListen.Pending())
{
try
{
StringOut ("Calling AcceptIrDAClient");
irClientSrv = irListen.AcceptIrDAClient();
StringOut ("AcceptIrDAClient returned");
s = irClientSrv.GetStream();
}
catch (SocketException ex)
{
StringOut (string.Format ("Sock exception {0}",
ex.ErrorCode));
continue;
}
// Get name length
StringOut ("Getting file name");
if (!RecvDWord (s, out nLen))
{
StringOut ("Error getting name length");
s.Close();
continue;
}
// Read name
try
{
s.Read (buff, 0, nLen);
}
catch (SocketException ex)
{
StringOut (string.Format ("Read exception {0}",
ex.ErrorCode));
s.Close();
continue;
}
UTF8Encoding UTF8enc = new UTF8Encoding();
//Trim terminating zero
char[] ch = UTF8enc.GetChars (buff, 0, nLen-1);
strFileName = new string (ch);
StringOut ("Receiving file " + strFileName);
// Get file length
if (!RecvDWord (s, out nLen))
{
StringOut ("Error getting file length");
}
StringOut (string.Format ("File len: {0}", nLen));
try
{
fs = new FileStream (strFileName,
FileMode.Create,
FileAccess.Read|FileAccess.Write);
}
catch (IOException ioex)
{
StringOut (string.Format("Error opening file"));
StringOut (ioex.Message);
SendDWord (s, -3);
s.Close();
continue;
}
StringOut ("File opened");
// Send file open return code
StringOut ("Send file create ack");
if (!SendDWord (s, 0))
{
StringOut ("fail sending ack code");
fs.Close();
s.Close();
break;
}
int nTotal = 0;
// Send file data
while (nLen > 0)
{
int BlkSize = -1;
try
{
BlkSize = (nLen > buff.Length) ?
buff.Length : nLen;
int k = 0, BytesRead = 0;
while (BlkSize > k)
{
// Wait for data
if (!((NetworkStream)s).DataAvailable)
Thread.Sleep(100);
// Read it
BytesRead = s.Read (buff, k, BlkSize-k);
StringOut (string.Format ("Bytes: {0}",
BytesRead));
k += BytesRead;
}
fs.Write (buff, 0, BlkSize);
StringOut ("Send Ack");
if (!SendDWord (s, 0))
{
StringOut ("Error sending ack");
break;
}
nLen -= BlkSize;
nTotal += BlkSize;
}
catch (SocketException socex)
{
StringOut (string.Format ("Sock Err {0}",
socex.ErrorCode));
break;
}
catch (IOException ioex)
{
StringOut (string.Format ("File Err {0}",
ioex.Message));
StringOut (ioex.Message);
break;
}
}
StringOut (string.Format("File received {0} bytes.",
nTotal));
RecvDWord (s, out nLen);
fs.Close();
s.Close();
}
if (isRunning)
Thread.Sleep (500);
}
irListen.Stop();
return;
}
}
Socket s=new Socket(AddressFamily.Irda,SocketType.Stream,ProtocolType.Tcp);
用WINCE C#编写红外通信的代码
using System;
using System.Text;
using System.Runtime.InteropServices;
using Microsoft.WindowsCE.Forms;
namespace MySquirtCF
{
/// <summary>
/// Summary description for MyMsgWindow.
/// </summary>
public class MyMsgWindow : MessageWindow
{
public MyMsgWindow()
{
//
// TODO: Add constructor logic here
//
}
public string Text
{
get
{
StringBuilder sbText = new StringBuilder (256);
GetWindowText (this.Hwnd, sbText, sbText.Capacity);
return sbText.ToString();
}
set
{
SetWindowText (this.Hwnd, value);
}
}
public static IntPtr FindOtherWindow (string strTitle)
{
return FindWindow (null, strTitle);
}
protected override void WndProc(ref Message m)
{
base.WndProc (ref m);
}
/// <summary>
/// Returns true when running on a Pocket PC
/// </summary>
/// <returns></returns>
public static bool IsPocketPC ()
{
bool fPocketPC = false;
StringBuilder sb = new StringBuilder (256);
PrivGetPlatString (257, sb.Capacity, sb, 0);
string strPlat = sb.ToString();
if (strPlat == "PocketPC")
fPocketPC = true;
return fPocketPC;
}
// Used by IsPocketPC routine to get the platform string
[DllImport ("Coredll.dll", EntryPoint="SystemParametersInfoW")]
private static extern bool PrivGetPlatString (int Cmd,
int StrLen, StringBuilder strPlat, int fWinIni);
[DllImport ("coredll.dll", EntryPoint="FindWindowW")]
private static extern IntPtr FindWindow (string strClass,
string strTitle);
[DllImport ("coredll.dll", EntryPoint="SetWindowTextW")]
private static extern void SetWindowText (IntPtr h, string s);
[ DllImport( "coredll.dll", EntryPoint="GetWindowTextW")]
public static extern int GetWindowText (IntPtr h,
StringBuilder sysDirBuffer, int size );
}
}紧接上面的代码
Form1.cs
using System;
using System.Drawing;
using System.Collections;
using System.Windows.Forms;
using System.Data;
using System.Net.Sockets;
using System.IO;
using System.Text;
using System.Threading;
namespace MySquirtCF
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.MainMenu mainMenu1;
private System.Windows.Forms.Button btnGo;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button btnBrowse;
private System.Windows.Forms.TextBox textFileName;
private System.Windows.Forms.ListBox listOut;
private System.Windows.Forms.OpenFileDialog openFileDialog1;
private Microsoft.WindowsCE.Forms.InputPanel inputPanel1;
private bool m_fPocketPC;
private bool isRunning;
private Thread thServ;
private MenuItem menuFile;
private MenuItem menuExit;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
// See if we're running on a Pocket PC
if (MyMsgWindow.IsPocketPC())
m_fPocketPC = true;
if (m_fPocketPC)
{
// On a Pocket PC, adjust control position since
// Commandbar isn't used.
this.label1.Location = new Point (4, 5);
this.textFileName.Location = new Point (46, 4);
this.btnBrowse.Location = new Point (4, 30);
this.btnGo.Location = new Point (100, 30);
this.listOut.Location = new Point (4, 54);
// Set size of listbox depending on SIP
int height = this.inputPanel1.VisibleDesktop.Height -
this.listOut.Top;
if (!this.inputPanel1.Enabled)
height -= 26;
this.listOut.Size = new Size (this.listOut.Width, height);
// Place OK button on Nav Bar to close application
this.ControlBox = true;
this.MinimizeBox = false;
}
else
{
// On an embedded device, add a File | Exit menu item
menuFile = new MenuItem();
menuExit = new MenuItem();
menuExit.Text = "Exit";
menuExit.Click += new EventHandler(menuExit_Click);
menuFile.Text = "File";
menuFile.MenuItems.Add (menuExit);
mainMenu1.MenuItems.Add (menuFile);
}
int widthC = this.ClientRectangle.Width;
int heightC = this.ClientRectangle.Height;
this.Text = "IrSquirt";
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.mainMenu1 = new System.Windows.Forms.MainMenu();
this.btnGo = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.textFileName = new System.Windows.Forms.TextBox();
this.btnBrowse = new System.Windows.Forms.Button();
this.listOut = new System.Windows.Forms.ListBox();
this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
this.inputPanel1 = new Microsoft.WindowsCE.Forms.InputPanel();
//
// btnGo
//
this.btnGo.Location = new System.Drawing.Point(160, 58);
this.btnGo.Size = new System.Drawing.Size(80, 20);
this.btnGo.Text = "Send";
this.btnGo.Click += new System.EventHandler(this.btnGo_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 33);
this.label1.Size = new System.Drawing.Size(32, 20);
this.label1.Text = "File:";
//
// textFileName
//
this.textFileName.Location = new System.Drawing.Point(48, 32);
this.textFileName.Size = new System.Drawing.Size(192, 22);
this.textFileName.Text = "";
//
// btnBrowse
//
this.btnBrowse.Location = new System.Drawing.Point(8, 58);
this.btnBrowse.Size = new System.Drawing.Size(80, 20);
this.btnBrowse.Text = "Browse";
this.btnBrowse.Click += new
System.EventHandler(this.btnBrowse_Click);
//
// listOut
//
this.listOut.Location = new System.Drawing.Point(8, 82);
this.listOut.Size = new System.Drawing.Size(232, 198);
//
// inputPanel1
//
this.inputPanel1.EnabledChanged += new
System.EventHandler(this.inputPanel1_EnabledChanged);
//
// Form1
//
this.ClientSize = new System.Drawing.Size(250, 292);
this.Controls.Add(this.listOut);
this.Controls.Add(this.btnBrowse);
this.Controls.Add(this.textFileName);
this.Controls.Add(this.label1);
this.Controls.Add(this.btnGo);
this.MaximizeBox = false;
this.Menu = this.mainMenu1;
this.Text = "Form1";
this.Closing += new
System.ComponentModel.CancelEventHandler(this.Form1_Closing);
this.Load += new System.EventHandler(this.Form1_Load);
}
#endregion接上面
/// <summary>
/// The main entry point for the application.
/// </summary>
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Load(object sender, System.EventArgs e)
{
isRunning = true;
this.thServ = new Thread (new ThreadStart(this.SrvRoutine));
this.thServ.Start();
}
private void Form1_Closing(object sender,
System.ComponentModel.CancelEventArgs e)
{
isRunning = false;
Thread.Sleep(550);
}
private void menuExit_Click(object sender, System.EventArgs e)
{
this.Close();
}
private void btnBrowse_Click(object sender, System.EventArgs e)
{
DialogResult dr = this.openFileDialog1.ShowDialog();
if (dr != DialogResult.OK)
return;
this.textFileName.Text = openFileDialog1.FileName;
}
private void inputPanel1_EnabledChanged(object sender,
System.EventArgs e)
{
// Adjust the listbox to avoid being covered by the SIP.
if (m_fPocketPC)
{
int height = this.inputPanel1.VisibleDesktop.Height -
this.listOut.Top;
if (!this.inputPanel1.Enabled)
height -= 26;
this.listOut.Size = new Size (this.listOut.Width,
height);
}
}
private void btnGo_Click(object sender, System.EventArgs e)
{
string strFileName = this.textFileName.Text;
if (strFileName.Length > 0)
SendFileToIR (strFileName);
}
private void StringOut (string str)
{
this.listOut.Items.Add (str);
return;
}
/// <summary>
/// Sends a file to the other device
/// </summary>
/// <param name="strFileName"></param>
private void SendFileToIR (string strFileName)
{
Stream s;
FileStream fs;
int rc;
IrDAClient irClient;
try
{
fs = new FileStream (strFileName, FileMode.Open,
FileAccess.Read);
}
catch (IOException ex)
{
StringOut (string.Format("Error opening file {0}",
ex.Message));
return;
}
StringOut ("File opened");
irClient = new IrDAClient ();
//
// Connect to service
//
StringOut ("Waiting at connect");
try
{
irClient.Connect("MySquirt");
}
catch (SocketException ex)
{
StringOut (string.Format ("Sock connect exception {0}",
ex.ErrorCode));
fs.Close();
return;
}
StringOut ("Connected");
//
// Start transfer
//
try
{
s = irClient.GetStream();
}
catch (SocketException ex)
{
StringOut (string.Format ("Sock GetStream exception {0}",
ex.ErrorCode));
fs.Close();
irClient.Close();
return;
}
// Parse path to get only the file name and extension
char[] parse = "\\".ToCharArray();
string[] fnParts = strFileName.Split (parse);
string strNameOnly = fnParts[fnParts.Length-1];
int nLen = strNameOnly.Length;
// Allocate transfer buffer
byte[] buff = new byte[4096];
// Send name length
StringOut ("Sending file name");
if (!SendDWord (s, nLen+1))
{
StringOut (string.Format ("Error sending name length"));
return;
}
// Send name
UTF8Encoding UTF8enc = new UTF8Encoding();
UTF8enc.GetBytes (strNameOnly, 0, nLen, buff, 0);
buff[nLen] = 0;
try
{
s.Write (buff, 0, nLen+1);
}
catch (SocketException ex)
{
StringOut (string.Format ("Sock Write exception {0}",
ex.ErrorCode));
}
StringOut ("Sending file");
// Send file length
nLen = (int)fs.Length;
if (!SendDWord (s, nLen))
{
StringOut ("Error sending file list");
}
// Read back file open return code
StringOut ("Reading file create ack");
RecvDWord (s, out rc);
if (rc != 0)
{
StringOut (string.Format ("Bad Ack code {0}", rc));
fs.Close();
irClient.Close();
s.Close();
return;
}
StringOut ("ack received");
// Send file data
while (nLen > 0)
{
int j = -1;
try
{
j = (nLen > buff.Length) ? buff.Length : nLen;
StringOut (string.Format("Sending {0} bytes", j));
fs.Read (buff, 0, j);
s.Write (buff, 0, j);
nLen -= j;
if (!RecvDWord (s, out j))
break;
if (j != 0)
{
StringOut ("Error ack");
break;
}
}
catch (SocketException socex)
{
StringOut (string.Format ("5 Sock Err {0} ({1},{2}",
socex.ErrorCode, nLen, j));
break;
}
catch (IOException ioex)
{
StringOut (string.Format ("File Error {0}",
ioex.Message));
break;
}
// Allow other events to happen during loop
Application.DoEvents();
}
StringOut (string.Format("File sent"));
s.Close(); // Close the stream
irClient.Close(); // Close the socket
fs.Close(); // Close the file
return;
}
/// <summary>
/// Sends a DWORD to the other device
/// </summary>
/// <param name="s"></param>
/// <param name="i"></param>
/// <returns></returns>
bool SendDWord (Stream s, int i)
{
byte[] b = BitConverter.GetBytes (i);
try
{
s.Write (b, 0, 4);
}
catch (SocketException ex)
{
StringOut (string.Format ("Err {0} writing dword",
ex.ErrorCode));
return false;
}
return true;
}
/// <summary>
/// Receiveds a DWORD from the other device
/// </summary>
/// <param name="s"></param>
/// <param name="i"></param>
/// <returns></returns>
bool RecvDWord (Stream s, out int i)
{
byte[] b = new byte[4];
try
{
s.Read (b, 0, 4);
}
catch (SocketException ex)
{
StringOut (string.Format ("Err {0} reading dword",
ex.ErrorCode));
i = 0;
return false;
}
i = BitConverter.ToInt32 (b, 0);
return true;
}
/// <summary>
/// Server thread
/// </summary>
public void SrvRoutine()
{
IrDAListener irListen;
FileStream fs;
string strFileName;
int nLen;
IrDAClient irClientSrv;
Stream s;
byte[] buff = new byte[4096];
try
{
irListen = new IrDAListener("MySquirt");
irListen.Start();
}
catch (SocketException ex)
{
StringOut (string.Format("Err {0} creating IrDAListener",
ex.ErrorCode));
return;
}
StringOut ("IrdaListener created");
while (isRunning)
{
if (irListen.Pending())
{
try
{
StringOut ("Calling AcceptIrDAClient");
irClientSrv = irListen.AcceptIrDAClient();
StringOut ("AcceptIrDAClient returned");
s = irClientSrv.GetStream();
}
catch (SocketException ex)
{
StringOut (string.Format ("Sock exception {0}",
ex.ErrorCode));
continue;
}
// Get name length
StringOut ("Getting file name");
if (!RecvDWord (s, out nLen))
{
StringOut ("Error getting name length");
s.Close();
continue;
}
// Read name
try
{
s.Read (buff, 0, nLen);
}
catch (SocketException ex)
{
StringOut (string.Format ("Read exception {0}",
ex.ErrorCode));
s.Close();
continue;
}
UTF8Encoding UTF8enc = new UTF8Encoding();
//Trim terminating zero
char[] ch = UTF8enc.GetChars (buff, 0, nLen-1);
strFileName = new string (ch);
StringOut ("Receiving file " + strFileName);
// Get file length
if (!RecvDWord (s, out nLen))
{
StringOut ("Error getting file length");
}
StringOut (string.Format ("File len: {0}", nLen));
try
{
fs = new FileStream (strFileName,
FileMode.Create,
FileAccess.Read|FileAccess.Write);
}
catch (IOException ioex)
{
StringOut (string.Format("Error opening file"));
StringOut (ioex.Message);
SendDWord (s, -3);
s.Close();
continue;
}
StringOut ("File opened");
// Send file open return code
StringOut ("Send file create ack");
if (!SendDWord (s, 0))
{
StringOut ("fail sending ack code");
fs.Close();
s.Close();
break;
}
int nTotal = 0;
// Send file data
while (nLen > 0)
{
int BlkSize = -1;
try
{
BlkSize = (nLen > buff.Length) ?
buff.Length : nLen;
int k = 0, BytesRead = 0;
while (BlkSize > k)
{
// Wait for data
if (!((NetworkStream)s).DataAvailable)
Thread.Sleep(100);
// Read it
BytesRead = s.Read (buff, k, BlkSize-k);
StringOut (string.Format ("Bytes: {0}",
BytesRead));
k += BytesRead;
}
fs.Write (buff, 0, BlkSize);
StringOut ("Send Ack");
if (!SendDWord (s, 0))
{
StringOut ("Error sending ack");
break;
}
nLen -= BlkSize;
nTotal += BlkSize;
}
catch (SocketException socex)
{
StringOut (string.Format ("Sock Err {0}",
socex.ErrorCode));
break;
}
catch (IOException ioex)
{
StringOut (string.Format ("File Err {0}",
ioex.Message));
StringOut (ioex.Message);
break;
}
}
StringOut (string.Format("File received {0} bytes.",
nTotal));
RecvDWord (s, out nLen);
fs.Close();
s.Close();
}
if (isRunning)
Thread.Sleep (500);
}
irListen.Stop();
return;
}
}
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