private void RecMsgCb(IAsyncResult ret)
{
SimplePosConn conn = (SimplePosConn)ret.AsyncState;
if (conn == null)
{
Console.WriteLine("The Conn is Null");
return;
}
try
{
int ind = 0;
int count = conn.PosConnSocket.EndReceive(ret);
conn.ByteCount = count;
String s = System.Text.Encoding.Default.GetString(conn.GetContent(), ind, count);
//回调发送
if (m_fSMsg != null)
{
m_fSMsg(s, conn);
}
else
{
Console.WriteLine("The CB Is Null");
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
conn.SPConnStart();
}
private void HandleMsg(string content, SimplePosConn conn)
{
if (content.Length == 0 || conn == null)
return;
PrintMsg (content , conn);
string[] proto = content.Split ('|');
if (proto.Length <= 1)
return;
if (proto[0].Equals("Leave"))
{
LeaveMsg (conn);
}
else if (proto[0].Equals("Create"))
{
//可能当本次连接创建后已经有其他连接 需要向该conn发送其他人的信息(数据小会将数据合并：先发了创建又发了其他人的信息所以会导致数据合并)
proto [1] = GetIndex (conn) + "";
content = string.Join ("|" , proto);
content += this.GetMsgToOne (conn);
byte[] sBy = System.Text.Encoding.Default.GetBytes (content);
conn.PosConnSocket.Send (sBy);
}
else if (proto[0].Equals("Post"))
{
SendMsgToAll (content, conn);
}
}
private void PrintMsg(string content , SimplePosConn conn)
{
Socket sk = conn.PosConnSocket;
string msgAddress = sk.RemoteEndPoint.ToString();
string msgSays = msgAddress + " content: " + content;
Console.WriteLine (msgSays);
}
private int GetIndex(SimplePosConn conn)
{
for (int i = 0; i < m_posConns.Length; ++i)
{
if (m_posConns [i] == conn)
return i;
}
return -1;
}
private void LeaveMsg(SimplePosConn conn)
{
Socket sk = conn.PosConnSocket;
string msg = sk.RemoteEndPoint.ToString ();
msg += "Leaved";
SendMsgToAll (msg , conn);
conn.SPShutDown ();
}
private void SendMsgToAll(string content , SimplePosConn conn)
{
byte[] sBy = System.Text.Encoding.Default.GetBytes (content);
for (int i = 0; i < m_posConns.Length; ++i)
{
if (m_posConns [i] != null && m_posConns [i].PosConnUsed && m_posConns[i] != conn)
{
m_posConns [i].PosConnSocket.Send (sBy);
}
}
}
private SimplePosConn NewSPConn()
{
for (int i = 0; i < m_posConns.Length; ++i)
{
if (m_posConns [i] == null)
{
m_posConns [i] = new SimplePosConn ();
m_posConns [i].SPConnInit (HandleMsg);
return m_posConns [i];
}
else if(!m_posConns[i].PosConnUsed)
{
return m_posConns [i];
}
}
return null;
}
private void AcceptConnCb(IAsyncResult ret)
{
Socket sk = m_socket.EndAccept (ret);
SimplePosConn conn = NewSPConn ();
if (conn == null)
{
Console.WriteLine ("The Connector Pool Is Full");
sk.Close ();
return;
}
conn.PosConnSocket = sk;
conn.PosConnUsed = true;
conn.SPConnStart ();
Console.WriteLine (sk.RemoteEndPoint.ToString() + "Is Connected");
m_socket.BeginAccept (AcceptConnCb, null);
}
private string GetMsgToOne(SimplePosConn conn)
{
string ret = "";
for (int i = 0; i < m_posConns.Length; ++i)
{
if (m_posConns [i] != null && m_posConns [i].PosConnUsed && m_posConns [i] != conn)
{
string str = System.Text.Encoding.UTF8.GetString (m_posConns[i].GetContent() , 0 , m_posConns[i].ByteCount);
string[] proto = str.Split ('|');
if (proto.Length <= 1 || proto [0] == "Leave")
continue;
proto[0] = "Post";
str = string.Join ("|",proto);
ret = ret + '}' + str;
//byte[] sBy = System.Text.Encoding.Default.GetBytes (str);
//conn.PosConnSocket.Send (sBy);
}
}
return ret;
}