private void LoadConfiguration (Config config)
{
if (config == null)
config = Conf.Get (Conf.Names.NetworkingConfig);
if (String.IsNullOrEmpty (name))
// Whats a good default value ?
name = config.GetOption (Conf.Names.ServiceName, String.Empty);
// Check to see if our enabled status hasn't changed
if (enabled != config.GetOption (Conf.Names.ServiceEnabled, enabled)) {
enabled = config.GetOption (Conf.Names.ServiceEnabled, enabled);
if (enabled) {
try {
Publish ();
} catch (ClientException) {
Log.Error ("Could not start avahi");
return;
}
} else
Unpublish ();
Logger.Log.Info ("Zeroconf: Index sharing is {0}", enabled ? "enabled" : "disabled");
}
// Handle index name changes
if (String.Compare (name, config.GetOption (Conf.Names.ServiceName, name)) != 0)
Update ();
}
private static void NotifySubscribers(Config config, string name)
{
ArrayList callbacks = (ArrayList) subscriptions [name];
if (callbacks == null)
return;
foreach (ConfigUpdateHandler callback in callbacks)
callback (config);
}
/* External clients can use the following two xml based methods to read/write xml */
// Use this method to write the config in its xml format.
public static void WriteSectionXml(Config config, TextWriter writer)
{
if (config == null)
return;
// serialize will not serialize global options,
// so temporarily make every option global
Dictionary<Option, bool> global_options = new Dictionary<Option, bool> ();
foreach (Option option in config.Options.Values) {
global_options [option] = option.Global;
option.Global = false;
}
conf_ser.Serialize (writer, config);
foreach (Option option in config.Options.Values)
option.Global = global_options [option];
}
public static void SaveTo(Config config, string path)
{
if (config == null)
return;
bool to_save = false;
foreach (Option option in config.Options.Values)
if (! option.Global)
to_save = true;
if (! to_save)
return;
using (StreamWriter writer = new StreamWriter (path)) {
conf_ser.Serialize (writer, config);
Console.WriteLine ("Done writing to " + path);
}
}
public static void Save(Config config)
{
if (config == null)
return;
bool to_save = false;
foreach (Option option in config.Options.Values)
if (! option.Global)
to_save = true;
if (! to_save)
return;
bool watching_for_updates_current = watching_for_updates;
watching_for_updates = false;
string filename = Path.Combine (configs_dir, (config.Name + ".xml"));
using (StreamWriter writer = new StreamWriter (filename)) {
conf_ser.Serialize (writer, config);
Log.Debug ("Done writing to " + filename);
}
watching_for_updates = watching_for_updates_current;
}
// Use this method to send in the xml for a config, and the original config
// and the changes from the original to the xml will be added to the original config
// Returns false if the read xml does not correspond to the same config as that
// was passed, in which case please note that the passed config COULD BE IN A
// modified state and should be discarded!
public static bool ReadSectionXml(Config config, TextReader reader)
{
if (config == null)
throw new ArgumentException ("config", "config cannot be null");
Config new_config = (Config) conf_ser.Deserialize (reader);
foreach (Option new_option in new_config.Options.Values) {
Option option = config [new_option.Name] as Option;
if (option == null || (option.Type != new_option.Type))
return false;
switch (option.Type) {
case OptionType.Bool:
BoolOption option_bool = (BoolOption) option;
BoolOption new_option_bool = (BoolOption) new_option;
option_bool.Value = new_option_bool.Value;
break;
case OptionType.String:
StringOption option_str = (StringOption) option;
StringOption new_option_str = (StringOption) new_option;
option_str.Value = new_option_str.Value;
break;
case OptionType.List:
ListOption option_list = (ListOption) option;
ListOption new_option_list = (ListOption) new_option;
if (option_list.NumParams != new_option_list.NumParams)
return false;
option_list.Values = new_option_list.Values;
break;
}
}
return true;
}
public static Config LoadNew(string name)
{
Config config = new Config ();
config.Name = name;
return config;
}
private void OnConfigurationChanged (Config config)
{
if (config == null || config.Name != Conf.Names.NetworkingConfig)
return;
LoadConfiguration (config);
}
private void OnConfigurationChanged (Config config)
{
if (config == null || config.Name != Conf.Names.FilesQueryableConfig)
return;
bool clear_fs_state = false;
List<string[]> values = config.GetListOptionValues (Conf.Names.ExcludeSubdirectory);
if (values != null) {
ArrayList subdirs = new ArrayList (values.Count);
foreach (string[] value in values) {
string dir = GetExcludeDirectory (value [0]);
if (! String.IsNullOrEmpty (dir))
subdirs.Add (dir);
}
IList excludes_wanted = subdirs;
IList excludes_to_add, excludes_to_remove;
ArrayFu.IntersectListChanges (excludes_wanted,
exclude_paths,
out excludes_to_add,
out excludes_to_remove);
// Process any excludes we think we should remove
foreach (string path in excludes_to_remove)
RemoveExcludeDir (path);
// Process any excludes we found to be new
foreach (string path in excludes_to_add)
AddExcludeDir (path);
}
values = config.GetListOptionValues (Conf.Names.ExcludePattern);
if (values != null) {
ArrayList patterns = new ArrayList (values.Count);
foreach (string[] value in values)
patterns.Add (value [0]);
IList excludes_wanted = patterns;
IList excludes_to_add, excludes_to_remove;
ArrayFu.IntersectListChanges (excludes_wanted,
exclude_patterns,
out excludes_to_add,
out excludes_to_remove);
// Process any excludes we think we should remove
foreach (string pattern in excludes_to_remove) {
clear_fs_state = true;
RemoveExcludePattern (pattern);
}
// Process any excludes we found to be new
foreach (string pattern in excludes_to_add)
AddExcludePattern (pattern);
exclude_regex = StringFu.GetPatternRegex (exclude_patterns);
}
// If an exclude pattern is removed, we need to recrawl everything
// so that we can index those files which were previously ignored.
if (clear_fs_state)
queryable.RecrawlEverything ();
}
private void ConfigUpdateHandler (Config config)
{
if (config == null || config.Name != Conf.Names.NetworkingConfig)
return;
bool to_webinterface = config.GetOption ("WebInterface", false);
Log.Debug ("WebInterface option changed to {0}", to_webinterface);
if (to_webinterface)
StartWebserver ();
else
StopWebserver ();
}
private void OnConfigurationChanged (Config config)
{
if (config == null || config.Name != Conf.Names.FilesQueryableConfig)
return;
List<string[]> values = config.GetListOptionValues (Conf.Names.Roots);
if (values == null)
values = new List<string[]> (0);
ArrayList roots_wanted = new ArrayList (values.Count);
foreach (string[] root in values)
roots_wanted.Add (root [0]);
if (config.GetOption (Conf.Names.IndexHomeDir, true))
roots_wanted.Add (PathFinder.HomeDir);
IList roots_to_add, roots_to_remove;
ArrayFu.IntersectListChanges (roots_wanted, Roots, out roots_to_add, out roots_to_remove);
foreach (string root in roots_to_remove)
RemoveRoot (root);
foreach (string root in roots_to_add)
AddRoot (root);
}
