public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var header = HeaderBytes.Clone() as byte[];
using (var data = new StreamRegion(stream.AsStream, 8, true))
using (var pre = new PrefixStream(header, data))
using (var png = new BinaryStream(pre, stream.Name))
return(base.Read(png, info));
}
/// <summary>
/// Copies the information from sourceInfo
/// </summary>
/// <param name="sourceInfo">The source info.</param>
/// <param name="allFields">if set to <c>true</c> all fields are copied; otherwise the fields NrSignal, HeaderBytes and NrDataRecords are ignored.</param>
public void CopyFrom(EdfFileInfoRaw sourceInfo, bool allFields = false)
{
EdfFileInfoRaw tmpInfo = sourceInfo.Clone() as EdfFileInfoRaw;
if (tmpInfo == null)
{
throw new EdfException("Unable to clone file info.");
}
if (!allFields)
{
tmpInfo.NrSignals = NrSignals.ToString();
tmpInfo.HeaderBytes = HeaderBytes.ToString();
tmpInfo.NrDataRecords = NrDataRecords.ToString();
}
FileInfoRecord = tmpInfo;
Modified = true;
}
private void WfNetworkThread()
{
HeaderBytes headbytes = PooledClassManager <HeaderBytes> .CreateClass();
DataBytes databytes = null;
int recvedNum = 0;
WfPacket sendPacket = null;
int sendedNum = 0;
while (m_Thread.IsAlive)
{
try
{
Thread.Sleep(10);
if (m_ConnectState == EConnectState.PostConnecting)
{
databytes = null;
recvedNum = 0;
if (sendPacket != null)
{
sendPacket.DestroyClass();
sendPacket = null;
}
sendedNum = 0;
ConnectServer();
}
if (m_ConnectState == EConnectState.Connected)
{
string errorText = null;
bool bWaiting = false;
do
{
errorText = RecvAll(ref headbytes, ref databytes, ref recvedNum, ref bWaiting);
}while (errorText == null && !bWaiting);
if (errorText == null)
{
object privateLockObject;
Monitor.Enter(privateLockObject = m_PrivateLockObject);
try
{
while (m_SendQueue.Count > 0 || sendPacket != null)
{
if (sendPacket != null)
{
errorText = SendAll(sendPacket, ref sendedNum);
if (sendedNum == sendPacket.GetOffset())
{
sendPacket.DestroyClass();
sendPacket = null;
}
}
if (errorText != null || sendPacket != null || m_SendQueue.Count <= 0)
{
break;
}
sendedNum = 0;
sendPacket = m_SendQueue.Dequeue();
sendPacket.SetHeadLength();
}
}
finally
{
Monitor.Exit(privateLockObject);
}
}
if (errorText != null)
{
Debug.LogError(errorText);
object privateLockObject;
Monitor.Enter(privateLockObject = m_PrivateLockObject);
try
{
if (m_ConnectState != EConnectState.PostConnecting)
{
m_ConnectState = EConnectState.Disconnected;
m_bNetStateChanged = true;
//GameDll.CGameProcedure.s_EventManager.OnNetStateChanged.SafeInvoke((int)NetworkProtol.Tcp, (int)m_ConnectState);
}
}
finally
{
Monitor.Exit(privateLockObject);
}
}
}
}
catch (Exception ex)
{
Debug.LogError(ex.Message + ex.StackTrace);
object privateLockObject;
Monitor.Enter(privateLockObject = m_PrivateLockObject);
try
{
if (m_ConnectState != EConnectState.PostConnecting)
{
m_ConnectState = EConnectState.Disconnected;
m_bNetStateChanged = true;
//GameDll.CGameProcedure.s_EventManager.OnNetStateChanged.SafeInvoke((int)NetworkProtol.Tcp, (int)m_ConnectState);
}
}
finally
{
Monitor.Exit(privateLockObject);
}
}
}
m_Thread.Abort();
m_Thread.Join();
}
private string RecvAll(ref HeaderBytes msgHeader, ref DataBytes msgData, ref int nRecved, ref bool bWaiting)
{
string result;
if (msgData == null)
{
SocketError socketError;
int recveNum = m_Socket.Receive(msgHeader.Bytes, nRecved, msgHeader.Bytes.Length - nRecved, SocketFlags.None, out socketError);
if (recveNum < 0)
{
result = "消息头小于0";
return(result);
}
if (socketError != SocketError.Success && socketError != SocketError.WouldBlock)
{
result = "网络错误:" + socketError.ToString();
m_ConnectState = EConnectState.PostConnecting;
m_bNetStateChanged = true;
//GameDll.CGameProcedure.s_EventManager.OnNetStateChanged.SafeInvoke((int)NetworkProtol.Tcp, (int)m_ConnectState);
return(result);
}
if (recveNum == 0)
{
bWaiting = true;
result = null;
return(result);
}
nRecved += recveNum;
if (nRecved == msgHeader.Bytes.Length)
{
ushort msgType = 0;
ushort msgLength = 0;
if (!WfPacket.ParseHeader(msgHeader.Bytes, ref msgType, ref msgLength))
{
result = string.Concat(new object[]
{
"error ParseHeader type:",
msgType,
"len:",
msgLength
});
return(result);
}
if (msgLength < msgHeader.Bytes.Length)
{
result = string.Concat(new object[]
{
"error ParseHeader < msglen:", msgLength, "headerLength:", msgHeader.Bytes.Length
});
return(result);
}
if (msgLength == msgHeader.Bytes.Length)
{
//这里虽然只有一个是一个很简单的只带有消息头的消息，例如心跳，但是我依然用了完整消息大小
msgData = PooledClassManager <DataBytes> .CreateClass();
msgData.SetBytes(msgLength + 1);
Array.Copy(msgHeader.Bytes, 0, msgData.GetBytes(), 0, msgHeader.Bytes.Length);
WfPacket item = PooledClassManager <WfPacket> .CreateClass();
item.InitRead(msgData);
msgData = null;
nRecved = 0;
object privateLockObject;
Monitor.Enter(privateLockObject = m_PrivateLockObject);
try
{
m_RecvQueue.Enqueue(item);
}
finally
{
Monitor.Exit(privateLockObject);
}
}
else
{
msgData = PooledClassManager <DataBytes> .CreateClass();
msgData.SetBytes(msgLength);
Array.Copy(msgHeader.Bytes, 0, msgData.GetBytes(), 0, msgHeader.Bytes.Length);
nRecved = msgHeader.Bytes.Length;
}
}
}
if (msgData != null)
{
SocketError socketError;
int recveNum = m_Socket.Receive(msgData.GetBytes(), nRecved, msgData.GetLength() - nRecved, SocketFlags.None, out socketError);
//Debug.Log("底层函数接收数据：" + socketError.ToString());
if (recveNum < 0)
{
result = "ReceiveData < 0";
return(result);
}
if (socketError != SocketError.Success && socketError != SocketError.WouldBlock)
{
result = "ReceiveData Failed";
return(result);
}
if (recveNum == 0)
{
bWaiting = true;
result = null;
return(result);
}
nRecved += recveNum;
if (nRecved > msgData.GetLength())
{
result = "ReceiveData IO error";
return(result);
}
if (nRecved == msgData.GetLength())
{
WfPacket item = PooledClassManager <WfPacket> .CreateClass();
item.InitRead(msgData);
msgData = null;
nRecved = 0;
object privateLockObject;
Monitor.Enter(privateLockObject = m_PrivateLockObject);
try
{
m_RecvQueue.Enqueue(item);
}
finally
{
Monitor.Exit(privateLockObject);
}
}
else
{
bWaiting = true;
}
}
result = null;
return(result);
}
