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);
}
}
/// <summary>
/// 处理接收到的铱星数据包
/// </summary>
private void HandleIridiumPackage()
{
int sleep = 100;
int index = 0;
ushort momsn = 0;
IridiumBuffer obj;
bool NeedConfirmation = false;
while (!IsStop)
{
Thread.Sleep(sleep);
obj = null;
if (!_pool.TryDequeue(out obj))
{
obj = null;
}
if (null != obj)
{
bool showPayload = false;
try
{
NeedConfirmation = false;
momsn = 0;
_history.Add(Now + "Iridium package(length: " + obj.length + "): " + Utilities.CustomConvert.GetHex(obj.buffer));
// 分析整包铱星数据
Iridium iridum = new Iridium();
iridum.PackageContent = obj.buffer;
iridum.Unpackage();
try
{
// 从铱星数据体中分别解析各个IE字段
index = 0;
IridiumDataEvent data = new IridiumDataEvent();
int length = 0, total = iridum.OverallMessageLength;
while (index < iridum.OverallMessageLength)
{
IE ie = new IE();
ie.Content = new byte[total - index];
Buffer.BlockCopy(iridum.Content, index, ie.Content, 0, total - index);
ie.Unpackage();
length = ie.Length + Iridium.HEADER_SIZE;
switch (ie.IEI)
{
case IE.MO_HEADER:
MOHeader moh = new MOHeader();
moh.Content = new byte[length];
Buffer.BlockCopy(ie.Content, 0, moh.Content, 0, length);
moh.Unpackage();
_history.Add(Now + moh.ToString());
data.Data = new IridiumData();
// 默认为终端接收数据的状态
data.Data.Type = IridiumDataType.MTModelReceiveStatus;
data.Data.IMEI = moh.IMEI;
data.Data.MTMSN = moh.MTMSN;
momsn = moh.MTMSN;
data.Data.Time = moh.Time;
data.Data.Status = moh.SessionStatus;
moh = null;
NeedConfirmation = true;
break;
case IE.MO_LOCATION:
MOLocation mol = new MOLocation();
mol.Content = new byte[length];
Buffer.BlockCopy(ie.Content, 0, mol.Content, 0, length);
mol.Unpackage();
_history.Add(Now + mol.ToString());
mol = null;
NeedConfirmation = true;
break;
case IE.MO_PAYLOAD:
MOPayload mop = new MOPayload();
mop.Content = new byte[length];
Buffer.BlockCopy(ie.Content, 0, mop.Content, 0, length);
mop.Unpackage();
_history.Add(Now + mop.ToString());
// 终端发送了数据上来
data.Data.Type = IridiumDataType.MOPayload;
data.Data.Payload = mop.Payload;
mop = null;
showPayload = true;
NeedConfirmation = true;
break;
case IE.MO_CONFIRMATION:
MOConfirmation moc = new MOConfirmation();
moc.Content = new byte[length];
Buffer.BlockCopy(ie.Content, 0, moc.Content, 0, length);
moc.Unpackage();
_history.Add(Now + moc.ToString());
moc = null;
break;
case IE.MT_CONFIRMATION:
MTConfirmation mtc = new MTConfirmation();
mtc.Content = new byte[length];
Buffer.BlockCopy(ie.Content, 0, mtc.Content, 0, length);
mtc.Unpackage();
// MTConfirmation消息没有Header结构
data.Data = new IridiumData();
data.Data.Type = IridiumDataType.MTServerSendStatus;
data.Data.MTMSN = (ushort)mtc.UniqueID;
momsn = (ushort)mtc.UniqueID;
data.Data.IMEI = mtc.IMEI;
data.Data.Status = mtc.Status;
_history.Add(Now + mtc.ToString());
mtc = null;
break;
case IE.MT_HEADER:
MTHeader mth = new MTHeader();
mth.Content = new byte[length];
Buffer.BlockCopy(ie.Content, 0, mth.Content, 0, length);
mth.Unpackage();
momsn = (ushort)mth.UniqueID;
_history.Add(Now + mth.ToString());
mth = null;
break;
case IE.MT_PAYLOAD:
MTPayload mtp = new MTPayload();
mtp.Content = new byte[length];
Buffer.BlockCopy(ie.Content, 0, mtp.Content, 0, length);
mtp.Unpackage();
_history.Add(Now + mtp.ToString());
mtp = null;
break;
case IE.MT_PRIORITY:
break;
}
ie = null;
index += length;
}
// 分析完毕之后看是否为终端发送的数据
if (null != data)
{
if (null != data.Data)
{
OnIridiumReceive?.Invoke(this, data);
}
else
{
data = null;
}
}
}
finally
{
// 反馈MO Confirmation包
if (NeedConfirmation)
{
MOConfirmation confirm = new MOConfirmation();
confirm.Package();
iridum.OverallMessageLength = 0;
iridum.Content = confirm.Content;
iridum.Package();
try
{
obj.socket.Send(iridum.PackageContent);
_history.Add(Now + "Send MO Confirmation: " + Utilities.CustomConvert.GetHex(iridum.PackageContent));
}
catch (Exception send)
{
HandleOnMessage(format("{0} Send iridiu package error: {1}, Trace: {2}", Now, send.Message, send.StackTrace));
}
AddQueue(iridum.PackageContent);
//HandleOnMessage(Now + "MO confirmation: " + Wbs.Utilities.CustomConvert.GetHex(iridum.PackageContent));
iridum = null;
}
}
}
catch (Exception e)
{
HandleOnMessage(format("{0} HandleIridiumPackage error: {1}, Trace: {2}", Now, e.Message, e.StackTrace));
}
finally
{
obj.Dispose();
obj = null;
}
// 检测是否可以显示当前分析的数据包
string text = "";
lock (lock_momsn)
{
if (!_showPackage)
{
var m = MOMSNs.FirstOrDefault(f => f.mtmsn == momsn);
if (null != m)
{
showPayload = true;
m.HandleTimes++;
}
}
else
{
// 如果显示数据包数据则直接显示
showPayload = true;
}
if (showPayload)
{
foreach (var s in _history)
{
text += s + Environment.NewLine;
}
}
// 移除超时的MTMSN监控记录
MOMSNs.RemoveAll(r => r.HandleTimes >= 3 || r.time < DateTime.Now.AddDays(-7));
}
if (!string.IsNullOrEmpty(text))
{
HandleOnMessage(text);
}
// 清空分析的历史记录
_history.Clear();
}
}
}