/// <summary>
/// Verifies that the given hostname is a working tv server
/// </summary>
/// <param name="hostname">The TV server's hostname</param>
/// <param name="verbose">Indicates if a messagebox should be displayed or not</param>
/// <returns></returns>
private bool VerifyHostname(string hostname, bool verbose)
{
// See if the tv server port is accessible (with timeout)
if (!CanConnect(hostname))
{
Log.Debug("VerifyHostname: unable to connect to TV server on host \"{0}\"", hostname);
if (verbose)
{
MessageBox.Show(string.Format("Unable to connect to TV server on host \"{0}\"", hostname),
"TV/Radio Settings", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
return(false);
}
// Set the hostname of the TV server
TvServerRemote.HostName = hostname;
// Get the database connection string from the TV server
string connectionString, provider;
TvServerRemote.GetDatabaseConnectionString(out connectionString, out provider);
if (string.IsNullOrEmpty(connectionString) || string.IsNullOrEmpty(provider))
{
Log.Debug("VerifyHostname: unable to get data from TV server on host \"{0}\"", hostname);
if (verbose)
{
MessageBox.Show(string.Format("Unable to get data from TV server on host \"{0}\"", hostname),
"TV/Radio Settings", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
return(false);
}
Log.Debug("VerifyHostname: verified a working TV server on host \"{0}\"", hostname);
return(true);
}
/// <summary>
/// Updates the database connection string in the gentle.config file
/// if the hostname has been changed or gentle.config contains "-" as server name.
/// The connection string is fetched from the TV server.
/// </summary>
/// <param name="hostname">The TV server's hostname</param>
/// <returns>Returns true, if the gentle.config file is updated</returns>
private bool UpdateGentleConfig(string hostname)
{
Log.Debug("UpdateGentleConfig({0})", hostname);
// Load the gentle.config file with the database connection string
XmlNode node, nodeProvider;
XmlDocument doc = new XmlDocument();
try
{
doc.Load(Config.GetFile(Config.Dir.Config, "gentle.config"));
XmlNode nodeKey = doc.SelectSingleNode("/Gentle.Framework/DefaultProvider");
node = nodeKey.Attributes.GetNamedItem("connectionString");
nodeProvider = nodeKey.Attributes.GetNamedItem("name");
}
catch (Exception ex)
{
Log.Error("UpdateGentleConfig: unable to open gentle.config" + Environment.NewLine + "{0}", ex.Message);
MessageBox.Show(string.Format("Unable to open gentle.config" + Environment.NewLine + "{0}", ex.Message),
"TV/Radio Settings", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return(false);
}
// Verify tvServer (could be down at the moment)
if (!VerifyHostname(hostname, verbose))
{
Log.Error("UpdateGentleConfig: unable to contact TV server on host \"{0}\"", hostname);
return(false);
}
// Get the database connection string from the TV server
string connectionString, provider;
TvServerRemote.GetDatabaseConnectionString(out connectionString, out provider);
if (string.IsNullOrEmpty(connectionString) || string.IsNullOrEmpty(provider))
{
Log.Error("UpdateGentleConfig: unable to get database connection string from TV server \"{0}\"", hostname);
MessageBox.Show(string.Format("Unable to get database connection string from TV server \"{0}\"", hostname),
"TV/Radio Settings", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return(false);
}
// Save the gentle.config file with the database connection string
try
{
node.InnerText = connectionString;
nodeProvider.InnerText = provider;
doc.Save(Config.GetFile(Config.Dir.Config, "gentle.config"));
}
catch (Exception ex)
{
Log.Error("UpdateGentleConfig: unable to modify gentle.config" + Environment.NewLine + "{0}", ex.Message);
MessageBox.Show(string.Format("Unable to modify gentle.config" + Environment.NewLine + "{0}", ex.Message),
"TV/Radio Settings", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return(false);
}
Log.Debug("UpdateGentleConfig: updated gentle.config with connectionString \"{0}\" for provider \"{1}\"", connectionString, provider);
return(true);
}
private void comboBoxGroups_DropDown(object sender, EventArgs e)
{
// Save current cursor and display wait cursor
Cursor currentCursor = Cursor.Current;
Cursor.Current = Cursors.WaitCursor;
// Fill comboBox with radio channel names
comboBoxGroups.Items.Clear();
comboBoxGroups.Items.Add("(none)");
int selectedIdx = 0;
if (string.IsNullOrEmpty(TVRadio.Hostname))
{
MessageBox.Show("Unable to get radio channel groups from the TV Server." +
Environment.NewLine + "No valid hostname specified in the \"TV/Radio\" section.",
"Radio Settings", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
TvServerRemote.HostName = TVRadio.Hostname;
List <string> groupNames = TvServerRemote.GetRadioChannelGroupNames();
if (groupNames.Count == 0)
{
MessageBox.Show(string.Format("Unable to get radio channel groups from the TV Server on host \"{0}\".", TVRadio.Hostname) +
Environment.NewLine + "Version incompatibility of MP Client and TV Server?",
"Radio Settings", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
foreach (string groupName in groupNames)
{
int idx = comboBoxGroups.Items.Add(groupName);
if (groupName == _rootGroup)
{
selectedIdx = idx;
}
}
}
}
comboBoxGroups.SelectedIndex = selectedIdx;
// Reset cursor
Cursor.Current = currentCursor;
}
