protected Dispatcher(Connection conn, string channel_type, string [] property_keys)
{
this.conn = conn;
ChannelType = channel_type;
this.property_keys = property_keys;
InitializeRequestsInterface ();
}
public void AddConnection(Connection conn)
{
if (conns.Contains (conn))
throw new Exception ("Cannot add connection");
conns.Add (conn);
conn.Register (Path, this);
//((ExportObject)conn.RegisteredObjects[Path]).Registered = false;
}
protected Channel(Connection conn)
{
if (conn == null) {
throw new ArgumentNullException ("conn");
}
this.conn = conn;
InitializeRequestsInterface ();
}
public ContactListChannel(Connection conn, string target_id)
: base(conn)
{
if (target_id == null) {
throw new ArgumentNullException ("target_id");
}
this.target_id = target_id;
ChannelType = Constants.CHANNEL_TYPE_CONTACTLIST;
}
protected Channel(Connection conn, uint target_handle, string channel_type)
: this(conn)
{
if (target_handle == 0 || target_handle == conn.SelfHandle) {
throw new ArgumentException ("Invalid TargetId", "target_id");
}
this.target_handle = target_handle;
this.ChannelType = channel_type;
}
public static ExportObject CreateExportObject(Connection conn, ObjectPath object_path, object obj)
{
Type type = obj.GetType ();
#if DLR
if (type.Name == "RubyObject" || type.FullName == "IronPython.Runtime.Types.OldInstance")
return new DynamicExportObject (conn, object_path, obj);
#endif
return new ExportObject (conn, object_path, obj);
}
public static void Init (Connection conn)
{
IOFunc dispatchHandler = delegate (IOChannel source, IOCondition condition, IntPtr data) {
if ((condition & IOCondition.Hup) == IOCondition.Hup) {
if (Protocol.Verbose)
Console.Error.WriteLine ("Warning: Connection was probably hung up (" + condition + ")");
//TODO: handle disconnection properly, consider memory management
return false;
}
//this may not provide expected behaviour all the time, but works for now
conn.Iterate ();
return true;
};
Init (conn, dispatchHandler);
}
public PendingCall(Connection conn)
{
this.conn = conn;
}
public NameRequisition(Connection connection, bool allowReplacement)
{
this.Connection = connection;
this.AllowReplacement = allowReplacement;
}
public void RemoveConnection(Connection conn)
{
Console.Error.WriteLine ("RemoveConn");
if (!conns.Remove (conn))
throw new Exception ("Cannot remove connection");
//conn.Unregister (Path);
List<string> namesToDisown = new List<string> ();
foreach (KeyValuePair<string, Connection> pair in Names) {
if (pair.Value == conn)
namesToDisown.Add (pair.Key);
}
List<MatchRule> toRemove = new List<MatchRule> ();
foreach (KeyValuePair<MatchRule, List<Connection>> pair in Rules) {
//while (pair.Value.Remove (Caller)) { }
while (pair.Value.Remove (conn)) { }
//while (pair.Value.Remove (Caller)) { Console.WriteLine ("Remove!"); }
//pair.Value.RemoveAll ( delegate (Connection conn) { conn == Caller; } )
if (pair.Value.Count == 0)
toRemove.Add (pair.Key);
//Rules.Remove (pair);
//Rules.Remove<KeyValuePair<MatchRule,List<Connection>>> (pair);
//((ICollection<System.Collections.Generic.KeyValuePair<MatchRule,List<Connection>>>)Rules).Remove<KeyValuePair<MatchRule,List<Connection>>> (pair);
//((ICollection<System.Collections.Generic.KeyValuePair<MatchRule,List<Connection>>>)Rules).Remove (pair);
}
foreach (MatchRule r in toRemove)
Rules.Remove (r);
// TODO: Check the order of signals
// TODO: Atomicity
foreach (string name in namesToDisown)
Names.Remove (name);
foreach (string name in namesToDisown)
NameOwnerChanged (name, ((ServerConnection)conn).UniqueName, String.Empty);
// TODO: Unregister earlier?
conn.Unregister (Path);
}
public static object GetObject (Connection conn, string bus_name, ObjectPath object_path, Type declType)
{
Type proxyType = TypeImplementer.GetImplementation (declType);
BusObject inst = (BusObject)Activator.CreateInstance (proxyType);
inst.conn = conn;
inst.bus_name = bus_name;
inst.object_path = object_path;
return inst;
}
public ExportObject (Connection conn, string bus_name, ObjectPath object_path, object obj) : base (conn, bus_name, object_path)
{
this.obj = obj;
}
static void Init (Connection conn, IOFunc dispatchHandler)
{
IOChannel channel = new IOChannel ((int)conn.Transport.SocketHandle);
IO.AddWatch (channel, IOCondition.In | IOCondition.Hup, dispatchHandler);
}
private static bool DeviceIsOnUsbBus(Connection conn, string halNameOnDbus, HalDevice device)
{
bool deviceIsOnUsbSubsystem;
bool thereIsAPathToParent;
do
{
string subsystem = TryGetDevicePropertyString(device, "info.subsystem");
deviceIsOnUsbSubsystem = subsystem.Contains("usb");
string pathToParent = TryGetDevicePropertyString(device, "info.parent");
thereIsAPathToParent = String.IsNullOrEmpty(pathToParent);
device = conn.GetObject<HalDevice>(halNameOnDbus, new ObjectPath(pathToParent));
} while (!deviceIsOnUsbSubsystem && !thereIsAPathToParent);
return deviceIsOnUsbSubsystem;
}
public ExportObject(Connection conn, ObjectPath object_path, object obj)
: base(conn, null, object_path)
{
this.obj = obj;
}
public BusObject (Connection conn, string bus_name, ObjectPath object_path)
{
this.conn = conn;
this.bus_name = bus_name;
this.object_path = object_path;
}
public GPS()
{
DbusConnection = Bus.System;
gps = DbusConnection.GetObject<Gpsd> ("org.gpsd", new ObjectPath ("/org/gpsd"));
gps.fix += HandleGpsfix;
}