/// <summary>
/// 初始化连接端
/// </summary>
public void InitClient()
{
for (int i = 0; i < nettyClienStates.Length; i++)
{
nettyClienStates[i] = new NettyClientState()
{
Address = Address, ClientFlage = ClientFlage, CreateTick = DateTime.Now.Ticks, State = Init
};
}
}
/// <summary>
/// 验证单个客户端
/// </summary>
/// <param name="clientState"></param>
/// <returns></returns>
private async Task ValidateClient(NettyClientState clientState)
{
bool isAll = false;//是否应该验证所有连接
if (clientState.Client.IsUnConnect)
{
clientState.State = Close;
}
if (clientState.State == Open)
{
if (clientState.Client.IsUnConnect)
{
Logger.Singleton.WarnFormat("Manager验证客户端连接异常，服务端IP{0},端口{1}", clientState.Address.Host, clientState.Address.Port);
await clientState.Client.Close();
clientState.State = Close; //关闭的网络是放在最后启动的
isAll = true; //网络已经异常，验证所有连接
}
else if (clientState.Client.IsConnected)
{
clientState.State = Free;
}
else if (ClientSettings.IsConnectTimeout)
{
if ((DateTime.Now.Ticks - clientState.Client.ConnecTime) / MTikcs > ClientSettings.TimeOut)
{
Logger.Singleton.WarnFormat("客户端连接超时，服务端IP{0},端口{1}", clientState.Address.Host, clientState.Address.Port);
if (!clientState.IsConnected)
{
await clientState.Client.Close();
clientState.State = Close; //关闭的网络是放在最后启动的
}
isAll = true; //网络已经异常，验证所有连接
}
}
}
if (isAll)
{
await CheckAll();
}
}
/// <summary>
/// 异步验证客户端连接
/// </summary>
/// <param name="clientState"></param>
private void CheckConnect(NettyClientState clientState)
{
bagClients.Add(clientState);
if (!isCheckClient)
{
isCheckClient = true;
Task.Factory.StartNew(async() =>
{
NettyClientState client = null;
while (!bagClients.IsEmpty)
{
if (bagClients.TryTake(out client))
{
await ValidateClient(client);
}
}
isCheckClient = false;
});
}
}
/// <summary>
/// 发送数据
/// </summary>
/// <param name="client"></param>
/// <param name="data"></param>
private void Send(NettyClientState client, byte[] data, int commit = 0)
{
if (client != null && client.IsConnected)
{
client.Client.Send(data);
client.LastTick = DateTime.Now.Ticks;
Interlocked.Increment(ref client.SubmitCount);
Console.WriteLine("发送数据:" + data.Length);
}
else
{
if (commit == 0)
{
SubmitAsync(client.ClientFlage, data);
}
else if (commit == 1)
{
Push(client.ClientFlage, data);
}
}
}
/// <summary>
/// 找到一个合适的连接客户端
/// </summary>
/// <returns></returns>
public async Task <NettyClientState> FindBestAsync()
{
double minCount = double.MaxValue; //需要找最小的
int minTimeIndex = -1; //从头找
int minCountIndex = -1;
int firstInitIndex = -1;
int firstCloseIndex = -1;
int len = nettyClienStates.Length;
for (int i = 0; i < len; i++)
{
var c = nettyClienStates[i];
if (c.State == Free && c.IsConnected)
{
c.State = Use;
return(c);//有空闲的直接返回
}
else if (c.State == Init)
{
//初始化预留,这样一定有一个预留的客户端连接
if (firstInitIndex == -1)
{
c.Client = new NettyClient();
dicState[c.Client] = c;
c.Client.DataNotify += Client_DataNotify;
await c.Client.Start(c.Address.Host, c.Address.Port);
c.State = Open;
firstInitIndex = i;
}
}
else if (c.State == Open)
{
//通知服务端监视线程验证是否无法连接
CheckConnect(c);
}
else if (c.State == Close)
{
if (firstCloseIndex == -1)
{
firstCloseIndex = i;
}
}
else if (c.State == Use)
{
if (minCount > c.CommitRate)
{
//找到最小包
minCount = c.CommitRate;
minCountIndex = i;
}
}
else if (c.State == Free && !c.IsConnected)
{
await c.Client.Close();
c.State = Close;
}
}
//
NettyClientState findC = null;
if (minCountIndex != -1)
{
//数据提交最少的
findC = nettyClienStates[minCountIndex];
}
else if (firstInitIndex != -1)
{
//初始化的
findC = nettyClienStates[firstInitIndex];
}
else if (firstCloseIndex != -1)
{
findC = nettyClienStates[firstCloseIndex];
await findC.Client.Start(findC.Address.Host, findC.Address.Port);
findC.State = Open;
}
else if (minTimeIndex != -1)
{
//最早一次提交数据的
findC = nettyClienStates[minTimeIndex];
}
return(findC);
}
