HandleResult OnReceive(uint dwConnID, int iLength)
{
// 数据到达了
// 需要长度
int required = pkgInfo.Length;
// 剩余大小
int remain = iLength;
while (remain >= required)
{
IntPtr bufferPtr = IntPtr.Zero;
try
{
remain -= required;
bufferPtr = Marshal.AllocHGlobal(required);;
if (client.Fetch(dwConnID, bufferPtr, required) == FetchResult.Ok)
{
if (pkgInfo.IsHeader == true)
{
PkgHeader header = (PkgHeader)Marshal.PtrToStructure(bufferPtr, typeof(PkgHeader));
// 调试信息
Console.WriteLine("[Client] head -> Id: {0}, BodySize: {1}\r\n", header.Id, header.BodySize);
required = header.BodySize;
}
else
{
// 调试信息
string recvString = Marshal.PtrToStringAnsi(bufferPtr, required);
Console.WriteLine("[Client] body -> text: {0}\r\n", recvString);
required = pkgHeaderSize;
}
AddMsg(string.Format(" > [{0},OnReceive] -> ({1} bytes)", dwConnID, pkgInfo.Length));
pkgInfo.IsHeader = !pkgInfo.IsHeader;
pkgInfo.Length = required;
}
}
catch
{
return(HandleResult.Error);
}
finally
{
if (bufferPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(bufferPtr);
bufferPtr = IntPtr.Zero;
}
}
}
return(HandleResult.Ok);
}
private void btnSend_Click(object sender, EventArgs e)
{
IntPtr bufferPtr = IntPtr.Zero;
try
{
string send = this.txtSend.Text;
if (send.Length == 0)
{
return;
}
// 封包体
byte[] bodyBytes = Encoding.Default.GetBytes(send);
// 封包头
PkgHeader header = new PkgHeader();
header.Id = ++id;
header.BodySize = bodyBytes.Length;
byte[] headerBytes = StructToBytes(header);
// 组合最终发送的封包 (封包头+封包体)
byte[] sendBytes = GetSendBuffer(headerBytes, bodyBytes);
// 发送
uint dwConnId = client.GetConnectionId();
if (client.Send(sendBytes, sendBytes.Length))
{
AddMsg(string.Format("$ ({0}) Send OK --> {1}", dwConnId, send));
}
else
{
AddMsg(string.Format("$ ({0}) Send Fail --> {1} ({2})", dwConnId, send, sendBytes.Length));
}
}
catch (Exception)
{
}
finally
{
if (bufferPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(bufferPtr);
}
}
}
private void btnSend_Click(object sender, EventArgs e)
{
IntPtr bufferPtr = IntPtr.Zero;
try
{
string send = this.txtSend.Text;
if (send.Length == 0)
{
return;
}
// 封包体
byte[] bodyBytes = Encoding.Default.GetBytes(send);
// 封包头
PkgHeader header = new PkgHeader();
header.Id = ++id;
header.BodySize = bodyBytes.Length;
byte[] headerBytes = StructToBytes(header);
// 组合最终发送的封包 (封包头+封包体)
byte[] sendBytes = GetSendBuffer(headerBytes, bodyBytes);
// 发送
uint dwConnId = client.GetConnectionId();
if (client.Send(sendBytes, sendBytes.Length))
{
AddMsg(string.Format("$ ({0}) Send OK --> {1}", dwConnId, send));
}
else
{
AddMsg(string.Format("$ ({0}) Send Fail --> {1} ({2})", dwConnId, send, sendBytes.Length));
}
}
catch (Exception)
{
}
finally
{
if (bufferPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(bufferPtr);
}
}
}