/// <summary>
/// 重要：连接服务端
/// </summary>
/// <returns></returns>
public async Task ConnectToProvider()
{
var appIdIpPortConfig = ClientConfig.Clients;
ConnnectionManager = ServerConnnectionManager.Create();
ConnnectionManager.ClientGroupConnected += ServerConnnectionManager_ClientGroupConnected;
var clientModel = await ConnnectionManager.InitConfig();
int counter = 0;
//appid为0时说明没有分配appid，所以需要分配一个
foreach (var app in appIdIpPortConfig)
{
if (app.AppId == 0)
{
app.AppId = clientModel.AppList[counter].AppId;
counter++;
}
}
Console.WriteLine("****************port list*************");
foreach (var ap in clientModel.AppList)
{
var cApp = appIdIpPortConfig.First(obj => obj.AppId == ap.AppId);
Console.WriteLine(ap.AppId.ToString() + ": " + ClientConfig.ProviderAddress + ":" + ap.Port.ToString() + "=>" +
cApp.IP + ":" + cApp.TargetServicePort);
}
Console.WriteLine("**************************************");
await ConnnectionManager.PollingToProvider();
}
/// <summary>
/// 重要：连接服务端
/// </summary>
/// <returns></returns>
public async Task ConnectToProvider()
{
var appIdIpPortConfig = ClientConfig.Clients;
ConnnectionManager = ServerConnnectionManager.Create();
ConnnectionManager.ClientGroupConnected += ServerConnnectionManager_ClientGroupConnected;
var clientModel = await ConnnectionManager.InitConfig();
int counter = 0;
//appid为0时说明没有分配appid，所以需要分配一个
foreach (var app in appIdIpPortConfig)
{
if (app.AppId == 0)
{
app.AppId = clientModel.AppList[counter].AppId;
counter++;
}
}
Logger.Debug("****************port list*************");
foreach (var ap in clientModel.AppList)
{
var cApp = appIdIpPortConfig.First(obj => obj.AppId == ap.AppId);
Logger.Debug(ap.AppId.ToString() + ": " + ClientConfig.ProviderAddress + ":" + ap.Port.ToString() + "=>" +
cApp.IP + ":" + cApp.TargetServicePort);
}
Logger.Debug("**************************************");
Task pollingTask = ConnnectionManager.PollingToProvider();
try
{
await pollingTask;
}
catch (Exception ex)
{
Logger.Error("Thread:" + Thread.CurrentThread.ManagedThreadId + " crashed.\n", ex);
throw;
}
await Task.Delay(TimeSpan.FromHours(24), CANCEL_TOKEN.Token);
}
/// <summary>
/// 重要：连接服务端，一般做为入口方法
/// 该方法主要操作一些配置和心跳
/// </summary>
/// <returns></returns>
public async Task Start()
{
var oneLiveToken = ONE_LIVE_TOKEN_SRC.Token;
while (!oneLiveToken.IsCancellationRequested)
{
CANCEL_TOKEN_SRC = new CancellationTokenSource();
TRANSFERING_TOKEN_SRC = new CancellationTokenSource();
HEARTBEAT_TOKEN_SRC = new CancellationTokenSource();
_waiter = new TaskCompletionSource <object>();
var appIdIpPortConfig = ClientConfig.Clients;
int clientId = 0;
//0.5 如果有文件，取出缓存中的clientid
try
{
if (File.Exists(NSMART_CLIENT_CACHE_PATH))
{
using (var stream = File.OpenRead(NSMART_CLIENT_CACHE_PATH))
{
byte[] bytes = new byte[2];
stream.Read(bytes, 0, bytes.Length);
clientId = StringUtil.DoubleBytesToInt(bytes);
}
}
}
catch (Exception ex)
{
Logger.Error(ex.Message, ex);
}
//1.获取配置
ConnectionManager = ServerConnnectionManager.Create(clientId);
ConnectionManager.ClientGroupConnected += ServerConnnectionManager_ClientGroupConnected;
ConnectionManager.ServerNoResponse = DoServerNoResponse; //下钻事件
ClientModel clientModel = null; //
try
{
//非第一次则算作重连，发送clientid过去
clientModel = await ConnectionManager.InitConfig(this.ClientConfig).ConfigureAwait(false);
}
catch (Exception ex)
{
//TODO 状态码：连接失败
Router.Logger.Error("连接失败：" + ex.Message, ex);
//throw;
}
//HasConnected = true;
if (clientModel != null)
{
int counter = 0;
//1.5 写入缓存
File.WriteAllBytes(NSMART_CLIENT_CACHE_PATH, StringUtil.IntTo2Bytes(clientModel.ClientId));
//2.分配配置：appid为0时说明没有分配appid，所以需要分配一个
foreach (var app in appIdIpPortConfig)
{
if (app.AppId == 0)
{
app.AppId = clientModel.AppList[counter].AppId;
counter++;
}
}
Logger.Debug("****************port list*************");
List <string> tunnelstrs = new List <string>();
foreach (var ap in clientModel.AppList)
{
var cApp = appIdIpPortConfig.First(obj => obj.AppId == ap.AppId);
var tunnelStr = ap.AppId.ToString() + ": " + ClientConfig.ProviderAddress + ":" +
ap.Port.ToString() + "=>" +
cApp.IP + ":" + cApp.TargetServicePort;
Logger.Debug(tunnelStr);
tunnelstrs.Add(tunnelStr);
}
Logger.Debug("**************************************");
ConnectionManager.PollingToProvider(StatusChanged, tunnelstrs);
//3.创建心跳连接
ConnectionManager.StartHeartBeats(Global.HeartbeatInterval, HEARTBEAT_TOKEN_SRC.Token);
//try
//{
// await pollingTask.ConfigureAwait(false);
//}
//catch (Exception ex)
//{
// Logger.Error("Thread:" + Thread.CurrentThread.ManagedThreadId + " crashed.\n", ex);
// throw;
//}
IsStarted = true;
Exception exception = await _waiter.Task.ConfigureAwait(false) as Exception;
Router.Logger.Debug($"程序异常终止:{exception.Message}。");
}
else
{
Router.Logger.Debug($"程序启动失败。");
//如果程序从未启动过就出错，则终止程序，否则重试。
if (IsStarted == false)
{
StatusChanged(ClientStatus.Stopped, null); return;
}
}
//出错重试
await Task.Delay(3000, ONE_LIVE_TOKEN_SRC.Token);
//TODO 返回错误码
//await Task.Delay(TimeSpan.FromHours(24), CANCEL_TOKEN.Token).ConfigureAwait(false);
}
//正常终止
}
