private static void InitializeVersionInformation(Session session, out Uri downloadUri)
{
onlineVersion = GetOnlineVersion(out downloadUri);
packagedVersion = new Version(InstallerDatabase.GetProductProperty(session, "WifiRemotePackagedVersion"));
installedVersion = GetCurrentlyInstalledVersion();
Log.Write("WifiRemote: We packaged {0}, {1} is available online and {2} is installed", packagedVersion, onlineVersion, installedVersion);
}
private static WifiRemoteState GetWifiRemoteVersionInfo(Session session, out Uri downloadLast)
{
downloadLast = null;
string xmlData;
// download update.xml
try
{
Log.Write("WifiRemote: Downloading update.xml from {0}", UPDATE_FILE);
using (WebClient client = new WebClient())
{
xmlData = client.DownloadString(UPDATE_FILE);
}
}
catch (Exception ex)
{
Log.Write("WifiRemote: Failed to download update.xml: {0}", ex.Message);
return(WifiRemoteState.Error);
}
// parse it
try
{
XElement updateFile = XElement.Parse(xmlData);
// set uri
string uri = updateFile.Element("Items").Element("PackageClass").Element("GeneralInfo").Element("OnlineLocation").Value.ToString();
downloadLast = new Uri(uri);
// get wifiremote version
XElement versionNode = updateFile.Element("Items").Element("PackageClass").Element("GeneralInfo").Element("Version");
Version remoteVersion = new Version(
Int32.Parse(versionNode.Element("Major").Value),
Int32.Parse(versionNode.Element("Minor").Value),
Int32.Parse(versionNode.Element("Build").Value),
Int32.Parse(versionNode.Element("Revision").Value)
);
Version ourVersion = new Version(InstallerDatabase.GetProductProperty(session, "WifiRemotePackagedVersion"));
Log.Write("WifiRemote: We packaged {0} and {1} is available online", ourVersion.ToString(), remoteVersion.ToString());
// compare and return
int compare = ourVersion.CompareTo(remoteVersion);
if (compare == 0)
{
return(WifiRemoteState.SameVersion);
}
return(compare < 0 ? WifiRemoteState.NewerVersionAvailable : WifiRemoteState.OlderVersionAvailable);
}
catch (Exception ex)
{
Log.Write("WifiRemote: Failed to parse update.xml: {0}\r\n{1}\r\n{2}", ex.Message, ex.ToString(), ex.StackTrace.ToString());
return(WifiRemoteState.Error);
}
}
public static ActionResult Install(Session session)
{
// download WifiRemote update information
session.Message(InstallMessage.ActionStart, new Record("callAddProgressInfo", "Downloading WifiRemote update information...", ""));
Uri downloadUri;
WifiRemoteState infoState = GetWifiRemoteVersionInfo(session, out downloadUri);
Dictionary <WifiRemoteState, string> messages = new Dictionary <WifiRemoteState, string>()
{
{ WifiRemoteState.Error, "WifiRemote: failed to download update information, using packaged version" },
{ WifiRemoteState.OlderVersionAvailable, "WifiRemote: older version available online then we shipped... strange, using packaged version" },
{ WifiRemoteState.SameVersion, "WifiRemote: last version packaged, installing from MSI" },
{ WifiRemoteState.NewerVersionAvailable, "WifiRemote: newer version available, downloading it" }
};
Log.Write(messages[infoState]);
// download newer WifiRemote if needed
string mpeiPackagePath = Path.GetTempFileName();
bool downloadFailed = false;
if (infoState == WifiRemoteState.NewerVersionAvailable)
{
session.Message(InstallMessage.ActionStart, new Record("callAddProgressInfo", "Downloading WifiRemote installer...", ""));
if (!DownloadWifiRemote(downloadUri, mpeiPackagePath))
{
Log.Write("WifiRemote: failed to download it, continuing with extracting from MSI");
downloadFailed = true;
}
}
// else extract from package
if (infoState != WifiRemoteState.NewerVersionAvailable || downloadFailed)
{
Log.Write("WifiRemote: extracting package from MSI");
if (!InstallerDatabase.ExtractBinaryToFile(session, "WifiRemoteInstallerBin", mpeiPackagePath))
{
Log.Write("WifiRemote: failed to extract from MSI");
return(ActionResult.Failure);
}
}
Log.Write("WifiRemote: got WifiRemote installer in {0}", mpeiPackagePath);
// lookup MPEI installer location
session.Message(InstallMessage.ActionStart, new Record("callAddProgressInfo", "Installing WifiRemote MediaPortal plugin with MPEI...", ""));
string mpei = LookupMPEI();
if (mpei == null)
{
return(ActionResult.NotExecuted);
}
Log.Write("WifiRemote: found MPEI at {0}", mpei);
// execute
ProcessStartInfo param = new ProcessStartInfo();
param.FileName = mpei;
param.Arguments = mpeiPackagePath + " /S";
Log.Write("WifiRemote: starting MPEI with arguments {0}", param.Arguments);
Process proc = new Process();
proc.StartInfo = param;
proc.Start();
proc.WaitForExit();
Log.Write("WifiRemote: MPEI finished with exit code {0}", proc.ExitCode);
// cleanup
File.Delete(mpeiPackagePath);
return(ActionResult.Success);
}
public static ActionResult Install(Session session)
{
// download version information
session.Message(InstallMessage.ActionStart, new Record("callAddProgressInfo", "Downloading WifiRemote update information...", ""));
Uri downloadUri;
InitializeVersionInformation(session, out downloadUri);
// bail out if installed version is the newest one
if (installedVersion != null && installedVersion.CompareTo(onlineVersion) >= 0 && installedVersion.CompareTo(packagedVersion) >= 0)
{
Log.Write("WifiRemote: Installed version is the last one, doing nothing...");
return(ActionResult.Success);
}
// setup for installation
string mpeiPackagePath = Path.GetTempFileName();
bool extractFromMSI = false;
// should we download a newer version?
if (onlineVersion != null && packagedVersion.CompareTo(onlineVersion) < 0)
{
Log.Write("WifiRemote: Downloading newer version from update site");
session.Message(InstallMessage.ActionStart, new Record("callAddProgressInfo", "Downloading WifiRemote installer...", ""));
if (!DownloadWifiRemote(downloadUri, mpeiPackagePath))
{
Log.Write("WifiRemote: Failed to download it, continuing with extracting from MSI");
extractFromMSI = true;
}
}
else
{
Log.Write("WifiRemote: Not downloading version from update site");
extractFromMSI = true;
}
// else extract from package
if (extractFromMSI)
{
Log.Write("WifiRemote: Extracting package from MSI");
if (!InstallerDatabase.ExtractBinaryToFile(session, "WifiRemoteInstallerBin", mpeiPackagePath))
{
Log.Write("WifiRemote: Failed to extract from MSI");
return(ActionResult.Failure);
}
}
Log.Write("WifiRemote: Got WifiRemote installer in {0}", mpeiPackagePath);
// lookup MPEI installer location
session.Message(InstallMessage.ActionStart, new Record("callAddProgressInfo", "Installing WifiRemote MediaPortal plugin with MPEI...", ""));
string mpei = LookupMPEI();
if (mpei == null)
{
return(ActionResult.NotExecuted);
}
Log.Write("WifiRemote: Found MPEI at {0}", mpei);
// execute
ProcessStartInfo param = new ProcessStartInfo();
param.FileName = mpei;
param.Arguments = mpeiPackagePath + " /S";
Log.Write("WifiRemote: Starting MPEI with arguments {0}", param.Arguments);
Process proc = new Process();
proc.StartInfo = param;
proc.Start();
proc.WaitForExit();
Log.Write("WifiRemote: MPEI finished with exit code {0}", proc.ExitCode);
// cleanup
File.Delete(mpeiPackagePath);
return(ActionResult.Success);
}