Sonarr/NzbDrone/IISController.cs

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C#
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using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Xml.Linq;
using System.Xml.XPath;
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using NLog;
namespace NzbDrone
{
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internal class IISController
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{
private static readonly Logger IISLogger = LogManager.GetLogger("IISExpress");
private static readonly Logger Logger = LogManager.GetLogger("IISController");
private static readonly string IISFolder = Path.Combine(Config.ProjectRoot, @"IISExpress\");
private static readonly string IISExe = Path.Combine(IISFolder, @"iisexpress.exe");
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public static Process IISProcess { get; private set; }
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internal static string AppUrl
{
get { return string.Format("http://localhost:{0}/", Config.Port); }
}
internal static Process StartIIS()
{
Logger.Info("Preparing IISExpress Server...");
IISProcess = new Process();
IISProcess.StartInfo.FileName = IISExe;
IISProcess.StartInfo.Arguments = "/config:IISExpress\\Appserver\\applicationhost.config /trace:i";
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IISProcess.StartInfo.WorkingDirectory = Config.ProjectRoot;
IISProcess.StartInfo.UseShellExecute = false;
IISProcess.StartInfo.RedirectStandardOutput = true;
IISProcess.StartInfo.RedirectStandardError = true;
IISProcess.StartInfo.CreateNoWindow = true;
IISProcess.OutputDataReceived += (OnDataReceived);
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IISProcess.ErrorDataReceived += ((s, e) => IISLogger.Fatal(e.Data));
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//Set Variables for the config file.
Environment.SetEnvironmentVariable("NZBDRONE_PATH", Config.ProjectRoot);
try
{
UpdateIISConfig();
}
catch (Exception e)
{
Logger.Error("An error has occured while trying to update the config file.", e);
}
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Logger.Info("Starting process. [{0}]", IISProcess.StartInfo.FileName);
IISProcess.Start();
IISProcess.BeginErrorReadLine();
IISProcess.BeginOutputReadLine();
return IISProcess;
}
private static void OnDataReceived(object s, DataReceivedEventArgs e)
{
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if (e == null || e.Data == null || e.Data.StartsWith("Request started:") ||
e.Data.StartsWith("Request ended:") || e.Data == ("IncrementMessages called"))
return;
IISLogger.Trace(e.Data);
}
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internal static void StopIIS()
{
KillProcess(IISProcess);
}
internal static void KillOrphaned()
{
Logger.Info("Finding orphaned IIS Processes.");
foreach (var process in Process.GetProcessesByName("IISExpress"))
{
string processPath = process.MainModule.FileName;
Logger.Info("[{0}]IIS Process found. Path:{1}", process.Id, processPath);
if (CleanPath(processPath) == CleanPath(IISExe))
{
Logger.Info("[{0}]Process is considered orphaned.", process.Id);
KillProcess(process);
}
else
{
Logger.Info("[{0}]Process has a different start-up path. skipping.", process.Id);
}
}
}
private static void KillProcess(Process process)
{
if (process == null) return;
Logger.Info("[{0}]Killing process", process.Id);
process.Kill();
Logger.Info("[{0}]Waiting for exit", process.Id);
process.WaitForExit();
Logger.Info("[{0}]Process terminated successfully", process.Id);
}
private static void UpdateIISConfig()
{
string configPath = Path.Combine(IISFolder, @"AppServer\applicationhost.config");
Logger.Info(@"Server configuration file: {0}", configPath);
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Logger.Info(@"Configuring server to: [http://localhost:{0}]", Config.Port);
var configXml = XDocument.Load(configPath);
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var bindings =
configXml.XPathSelectElement("configuration/system.applicationHost/sites").Elements("site").Where(
d => d.Attribute("name").Value.ToLowerInvariant() == "nzbdrone").First().Element("bindings");
bindings.Descendants().Remove();
bindings.Add(
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new XElement("binding",
new XAttribute("protocol", "http"),
new XAttribute("bindingInformation", String.Format("*:{0}:", Config.Port))
));
configXml.Save(configPath);
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}
private static string CleanPath(string path)
{
return path.ToLower().Replace("\\", "").Replace("//", "//");
}
}
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}