protected override void OnStop()
{
// TODO: Add code here to perform any tear-down necessary to stop your service.
m_Proxy.Stop();
CommonLog.Info("=== " + Program.SVC_NAME + " stopped ===");
}
protected override void OnStart(string[] args)
{
// TODO: Add code here to start your service.
CommonLog.Info("=== " + Program.SVC_NAME + " is starting ===");
m_Proxy.Start();
}
public override void OnConnect(Session session)
{
base.OnConnect(session);
var remoteIp = session.GetRemoteIp();
var inputWhiteList = m_Server.GetSourceWhitelist();
bool isValidAddress = false; // must set whitelist ...
if (inputWhiteList.Count > 0 && remoteIp.Length > 0)
{
foreach (string pattern in inputWhiteList)
{
if (Match(pattern, remoteIp))
{
isValidAddress = true;
break;
}
}
}
if (!isValidAddress)
{
CommonLog.Error("Stream source IP is not on white list: " + remoteIp);
session.Close();
return;
}
session.FitReadQueueAction = Session.ACT_KEEP_OLD;
session.FitWriteQueueAction = Session.ACT_KEEP_OLD;
//m_DataFileName = AppDomain.CurrentDomain.BaseDirectory + "/"
// + DateTime.Now.ToString("yyMMddHHmmss") + "_" + m_Random.Next(10, 100) + ".data";
HttpMessage.GetSessionBuffer(session, true);
HttpMessage.GetSessionData(session, true);
HttpMessage.SetSessionData(session, HttpMessage.MSG_KEY_HTTP_HEADER, "");
HttpMessage.SetSessionData(session, HttpMessage.MSG_KEY_CHANNEL, "");
HttpMessage.SetSessionData(session, HttpMessage.MSG_KEY_PATH, "");
}
public bool Start(List <string> inputWhiteList = null)
{
Stop();
lock (m_InputWhiteList)
{
if (inputWhiteList != null)
{
m_InputWhiteList.Clear();
m_InputWhiteList.AddRange(inputWhiteList);
}
if (m_InputWhiteList.Count <= 0)
{
m_InputWhiteList.Add("127.0.0.1");
}
}
bool isServerOK = false;
try
{
if (m_Server != null)
{
if (m_MaxRecvIdleSeconds > 0)
{
m_Server.SetIdleTime(Session.IO_RECEIVE, m_MaxRecvIdleSeconds);
}
m_Server.Start(m_Port);
isServerOK = true;
}
}
catch (Exception ex)
{
CommonLog.Error("Failed to listen on port: " + m_Port);
CommonLog.Error(ex.ToString());
}
m_Timer = new Timer(TryToKeepTargetsOnline, m_Targets, 1000, 1000 * m_CheckInterval);
return(isServerOK);
}
public void Start()
{
Stop();
ConfigurationManager.RefreshSection("appSettings");
var proxySettings = new Dictionary <int, Dictionary <string, List <string> > >();
var keys = ConfigurationManager.AppSettings.AllKeys;
var inputWhiteList = new List <string>();
var maxRecvIdleSeconds = 0;
foreach (var key in keys)
{
if (key == "InputWhitelist")
{
var ips = ConfigurationManager.AppSettings[key].ToString().Split(',');
foreach (var ip in ips)
{
inputWhiteList.Add(ip.Trim());
}
continue;
}
if (key == "MaxRecvIdleSeconds")
{
int maxIdleTime = 0;
if (Int32.TryParse(ConfigurationManager.AppSettings[key].ToString(), out maxIdleTime))
{
maxRecvIdleSeconds = maxIdleTime > 0 ? maxIdleTime : 0;
}
continue;
}
var mainParts = key.Split('/');
if (mainParts == null || mainParts.Length < 2)
{
continue;
}
int port = 0;
if (Int32.TryParse(mainParts[0], out port))
{
try
{
var reqPath = mainParts[1].Trim();
var list = new List <string>();
var targets = ConfigurationManager.AppSettings[key].ToString().Split(',');
foreach (var target in targets)
{
list.Add(target.Trim());
}
Dictionary <string, List <string> > clients = null;
if (proxySettings.ContainsKey(port))
{
clients = proxySettings[port];
}
else
{
clients = new Dictionary <string, List <string> >();
proxySettings.Add(port, clients);
}
if (clients != null)
{
if (clients.ContainsKey(reqPath))
{
clients.Remove(reqPath);
}
clients.Add(reqPath, list);
}
}
catch (Exception ex)
{
CommonLog.Error("Failed to load config for listening port " + port);
CommonLog.Error(ex.ToString());
}
}
}
CommonLog.Info("Max receiving idle seconds: " + maxRecvIdleSeconds);
lock (m_InputWhiteList)
{
if (inputWhiteList != null)
{
m_InputWhiteList.Clear();
m_InputWhiteList.AddRange(inputWhiteList);
}
if (m_InputWhiteList.Count <= 0)
{
m_InputWhiteList.Add("127.0.0.1");
}
}
var ipWhitelist = GetSourceWhitelist();
CommonLog.Info("Input source whitelist: " + String.Join(", ", ipWhitelist.ToArray()));
lock (m_Servers)
{
foreach (var item in proxySettings)
{
var targets = item.Value;
var server = new BroadcastServer(item.Key, maxRecvIdleSeconds);
server.LoadTargets(targets);
if (server.Start(ipWhitelist))
{
m_Servers.Add(item.Key, server);
foreach (var target in targets)
{
CommonLog.Info("Added proxy [" + item.Key + "/" + target.Key + "] => " + String.Join(", ", target.Value.ToArray()));
}
}
}
}
}
public static int Main(string[] args)
{
AppDomain.CurrentDomain.UnhandledException += CurrentDomainUnhandledException;
// start the program ...
if (Environment.UserInteractive)
{
string parameter = "";
bool needDetails = false;
if (args != null && args.Length >= 1)
{
parameter = args[0];
parameter = parameter.Trim();
if (parameter == "install" || parameter == "uninstall" ||
parameter == "silent-install" || parameter == "silent-uninstall")
{
if (parameter == "silent-install" || parameter == "silent-uninstall")
{
if (parameter == "silent-install")
{
parameter = "install";
}
else if (parameter == "silent-uninstall")
{
parameter = "uninstall";
}
}
else
{
// redirect console output to parent process, normally it should be "cmd"
AttachConsole(ATTACH_PARENT_PROCESS);
needDetails = true;
}
string svcName = "";
if (args.Length >= 2)
{
string[] svcNameArgs = new string[args.Length - 1];
for (int i = 1; i < args.Length; i++)
{
svcNameArgs[i - 1] = args[i];
}
for (int i = 0; i < svcNameArgs.Length; i++)
{
if (svcName.Length == 0)
{
svcName = svcNameArgs[i];
}
else
{
svcName = svcName + " " + svcNameArgs[i];
}
}
svcName = svcName.Trim();
}
if (svcName.Length > 0)
{
SVC_NAME = svcName;
}
}
else
{
parameter = "";
}
}
parameter = parameter.Trim();
if (parameter == "install" && SVC_NAME.Length > 0)
{
Console.WriteLine("Start to install service with name [" + SVC_NAME + "]");
CommonLog.Info("Installing service...");
try
{
ManagedInstallerClass.InstallHelper(new string[] { Assembly.GetExecutingAssembly().Location });
CommonLog.Info("OK");
Console.WriteLine("Installed service [" + SVC_NAME + "] successfully");
if (needDetails)
{
Console.WriteLine("You might need to press enter to end the process");
}
}
catch (Exception ex)
{
CommonLog.Error("Error: " + ex.Message);
Console.WriteLine("Failed to install service [" + SVC_NAME + "]");
if (needDetails)
{
Console.WriteLine("You might need to press enter to end the process");
}
return(-1);
}
}
else if (parameter == "uninstall" && SVC_NAME.Length > 0)
{
Console.WriteLine("Start to uninstall service [" + SVC_NAME + "]");
CommonLog.Info("Uninstalling service...");
try
{
ManagedInstallerClass.InstallHelper(new string[] { "/u", Assembly.GetExecutingAssembly().Location });
CommonLog.Info("OK");
Console.WriteLine("Uninstalled service [" + SVC_NAME + "] successfully");
if (needDetails)
{
Console.WriteLine("You might need to press enter to end the process");
}
}
catch (Exception ex)
{
CommonLog.Error("Error: " + ex.Message);
//Console.WriteLine("Failed to uninstall service [" + SVC_NAME + "]");
if (needDetails)
{
Console.WriteLine("You might need to press enter to end the process");
}
return(-1);
}
}
else // Run as a console app normally ...
{
bool canRun = false;
mutex = new Mutex(true, "BroadcastProxyServer.Instance", out canRun);
if (!canRun)
{
MessageBox.Show("Another application instance is already running.");
}
else
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new MainForm());
Environment.Exit(0);
}
}
}
else
{
bool canRun = false;
mutex = new Mutex(true, "BroadcastProxyServer.Instance", out canRun);
if (!canRun)
{
throw new Exception("Another application instance is already running.");
}
else
{
ServiceBase[] ServicesToRun;
ServicesToRun = new ServiceBase[]
{
new ProxyService()
};
ServiceBase.Run(ServicesToRun);
}
}
return(0);
}
private static void CurrentDomainUnhandledException(object sender, UnhandledExceptionEventArgs e)
{
CommonLog.Error(((Exception)e.ExceptionObject).Message + ((Exception)e.ExceptionObject).InnerException.Message);
}
public void LoadTargets(Dictionary <string, List <string> > urlsMap)
{
var oldTargets = m_Targets;
foreach (var item in oldTargets)
{
foreach (var subItem in item.Value)
{
try
{
if (subItem.Value != null)
{
subItem.Value.SetClientId(0);
subItem.Value.Disconnect(true);
}
}
catch { }
}
}
var newTargets = new Dictionary <string, Dictionary <string, Client> >();
int count = 0;
var paths = urlsMap.Keys;
foreach (string path in paths)
{
Dictionary <string, Client> clients = null;
if (newTargets.ContainsKey(path))
{
clients = newTargets[path];
}
else
{
clients = new Dictionary <string, Client>();
newTargets.Add(path, clients);
}
var urls = urlsMap[path];
foreach (var url in urls)
{
try
{
if (url != null && url.Length > 0)
{
count++;
var address = url.StartsWith("http://") ? url : "http://" + url;
var uri = new Uri(address, UriKind.Absolute);
var client = new Client();
client.SetClientId(count);
client.SetIoFilter(new ClientDataCodec());
client.SetIoHandler(new ClientNetworkEventHandler(this));
client.Connect(uri.Host, uri.Port);
clients.Add(url, client);
}
}
catch (Exception ex)
{
CommonLog.Error("Failed to load target URL: " + m_Port + "/" + path + " => " + url);
CommonLog.Error(ex.ToString());
}
}
}
m_Targets = newTargets;
}
private void btnStop_Click(object sender, EventArgs e)
{
m_Proxy.Stop();
CommonLog.Info("=== " + Program.SVC_NAME + " stopped ===");
}
private void btnStart_Click(object sender, EventArgs e)
{
CommonLog.Info("=== " + Program.SVC_NAME + " is starting ===");
m_Proxy.Start();
}
private void MainForm_Load(object sender, EventArgs e)
{
CommonLog.SetGuiControl(this, mmLog);
}