private void Connected_Callback(IAsyncResult ar)
{
try
{
TcpClient client = (TcpClient)ar.AsyncState;
if (client.Connected)
{
client.EndConnect(ar);
//if (_iridium.ShowPackageInformation)
{
ShowHistory("Iridium server has connected.", true);
}
ClientState cs = new ClientState();
cs.IsConnected = true;
cs.client = client;
cs.length = 0;
cs.received = null;
client.GetStream().BeginRead(cs.buffer, 0, ClientState.SIZE, new AsyncCallback(Read_Callback), cs);
// 组包并发送
// 数据内容
MTPayload mtp = new MTPayload();
mtp.Payload = SendContent;
mtp.Package();
// Header
MTHeader mth = new MTHeader();
mth.UniqueID = SendMTMSN;
mth.IMEI = SendIMEI;
mth.DispositionFlags = (ushort)(FlushMTQueue ? 1 : 32);
mth.Package();
// 整包
Iridium iridium = new Iridium();
iridium.Content = new byte[mth.Content.Length + (FlushMTQueue ? 0 : mtp.Content.Length)];
Buffer.BlockCopy(mth.Content, 0, iridium.Content, 0, mth.Content.Length);
if (!FlushMTQueue)
{
// 如果不是删除队列标记则添加payload数据
Buffer.BlockCopy(mtp.Content, 0, iridium.Content, mth.Content.Length, mtp.Content.Length);
}
iridium.Package();
client.GetStream().Write(iridium.PackageContent, 0, iridium.PackageContent.Length);
var buffer = new IridiumBuffer();
buffer.length = iridium.PackageContent.Length;
buffer.buffer = new byte[buffer.length];
Buffer.BlockCopy(iridium.PackageContent, 0, buffer.buffer, 0, buffer.length);
_iridium.AddQueue(buffer);
}
else
{
ShowHistory("Can not establish connect to Iridium server.", true);
client.Close();
client = null;
}
}
catch (Exception e)
{
ShowHistory("Connect_Callback error: " + e.Message + Environment.NewLine + e.StackTrace, true);
}
}
public void AddQueue(byte[] buffer)
{
IridiumBuffer b = new IridiumBuffer();
b.length = buffer.Length;
b.buffer = new byte[b.length];
Buffer.BlockCopy(buffer, 0, b.buffer, 0, b.length);
b.socket = null;
_pool.Enqueue(b);
}
/// <summary>
/// 手动分析指定的铱星数据包
/// </summary>
private void IridiumManualAnalysePackage()
{
//uint shor = IririumMTMSN.CalculateMTMSN(DateTime.Now, mtmsn++);
//byte[] b = BitConverter.GetBytes(shor);
//ShowHistory("short: " + shor + ", byte: " + CustomConvert.GetHex(b) + ", to: " + CustomConvert.GetHex(CustomConvert.reserve(b)), false);
//if (shor == 0)
//{ shor = 1; }
var temp = CustomConvert.GetBytes(tstbData.Text.Trim());
var len = temp.Length;
var buffer = new IridiumBuffer();
buffer.socket = null;
buffer.length = len;
buffer.buffer = new byte[len];
Buffer.BlockCopy(temp, 0, buffer.buffer, 0, len);
_iridium.AddQueue(buffer);
temp = null;
}
/// <summary>
/// 将数据加入待处理队列
/// </summary>
/// <param name="buffer"></param>
public void AddQueue(IridiumBuffer buffer)
{
_pool.Enqueue(buffer);
}
private void Read_Callback(IAsyncResult ar)
{
try
{
StateObject so = (StateObject)ar.AsyncState;
if (null == so)
{
return;
}
Socket s = so.socket;
// 增加判断socket是否还正常连接的判断 2015/09/16 12:40
if (null == s)
{
return;
}
if (!s.Connected)
{
return;
}
int read = s.EndReceive(ar);
if (read > 0)
{
if (_showPackage)
{
HandleOnMessage(format("{0}Received data(length:{1}) from {2}:{3}", Now, read, so.point.Address.ToString(), so.point.Port));
}
if (null == so.Received)
{
so.Received = new byte[read];
so.length = read;
}
else
{
so.length += read;
so.Received = Utilities.CustomConvert.expand(so.Received, so.length);
}
Buffer.BlockCopy(so.buffer, 0, so.Received, so.length - read, read);
s.BeginReceive(so.buffer, 0, StateObject.BUFFER_SIZE, SocketFlags.None, new AsyncCallback(Read_Callback), so);
if (so.length >= so.Received[2])
{
// 加入队列并等待处理
var b = new IridiumBuffer();
b.length = so.length;
b.buffer = new byte[so.length];
Buffer.BlockCopy(so.Received, 0, b.buffer, 0, so.length);
b.socket = s;
so.length = 0;
so.Received = null;
_pool.Enqueue(b);
}
}
else
{
if (_showPackage)
{
HandleOnMessage(format("{0}Iridium server {1}:{2} disconnected.", Now, so.point.Address.ToString(), so.point.Port));
}
//so.socket.Shutdown(SocketShutdown.Both);
//so.socket.Close();
}
}
catch (Exception e)
{
if (e.Message.IndexOf("forcibly") < 0)
{
HandleOnMessage(format("{0} Read_Callback error: {1}, Trace: {2}", Now, e.Message, e.StackTrace));
}
}
}
private void Read_Callback(IAsyncResult ar)
{
try
{
ClientState cs = (ClientState)ar.AsyncState;
if (null == cs)
{
return;
}
if (null == cs.client)
{
return;
}
if (!cs.client.Connected)
{
cs.Dispose();
try
{
cs.client.Close();
//cs.client.GetStream().Close();
}
catch { }
cs.client = null;
return;
}
if (cs.IsConnected == false)
{
return;
}
var len = cs.client.GetStream().EndRead(ar);
if (len > 0)
{
if (null == cs.received)
{
cs.received = new byte[len];
cs.length = len;
}
else
{
cs.length += len;
cs.received = CustomConvert.expand(cs.received, cs.length);
}
Buffer.BlockCopy(cs.buffer, 0, cs.received, cs.length - len, len);
cs.client.GetStream().BeginRead(cs.buffer, 0, ClientState.SIZE, new AsyncCallback(Read_Callback), cs);
if (cs.length >= cs.received[2])
{
var buffer = new IridiumBuffer();
buffer.socket = null;
buffer.length = cs.length;
buffer.buffer = new byte[cs.length];
Buffer.BlockCopy(cs.received, 0, buffer.buffer, 0, cs.length);
cs.length = 0;
cs.received = null;
_iridium.AddQueue(buffer);
try
{
cs.Dispose();
cs.client.Close();
//if (_iridium.ShowPackageInformation)
ShowHistory("MT operation complete, client disconnected.", true);
}
catch (Exception e)
{
ShowHistory("Handle Iridium package error: " + e.Message + Environment.NewLine + e.StackTrace, true);
}
finally
{
cs.client = null;
cs = null;
}
}
}
else
{
try
{
cs.Dispose();
cs.client.GetStream().Close();
cs.client.Close();
}
catch (Exception ee)
{
ShowHistory("Handle Iridium package error(len<=0): " + ee.Message + Environment.NewLine + ee.StackTrace, true);
}
finally
{
cs = null;
}
}
}
catch (Exception error)
{ ShowHistory("Read_Callback error: " + error.Message + Environment.NewLine + error.StackTrace, true); }
}