new port design, probably about 90% done (i.e it mostly works and this commit is to stop anyone else from stomping on my changes :)

git-svn-id: svn://localhost/ardour2/trunk@2579 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 345 insertions, 3 deletions

diff --git a/libs/ardour/port.cc b/libs/ardour/port.cc
index 1a31124c73..1c79e0c438 100644
--- a/libs/ardour/port.cc
+++ b/libs/ardour/port.cc
@@ -22,16 +22,358 @@
 using namespace ARDOUR;
 using namespace std;
 
-Port::Port (DataType type, Flags flags)
-	: _flags (flags)
-	, _type (type)
+AudioEngine* Port::engine = 0;
+
+Port::Port (const std::string& name, Flags flgs)
+	: _flags (flgs)
+	, _name (name)
 	, _metering (0)
 	, _last_monitor (false)
 {
 }
 
+Port::~Port ()
+{
+	disconnect_all ();
+}
+
 void
 Port::reset ()
 {
 	_last_monitor = false;
 }
+
+void
+Port::set_engine (AudioEngine* e) 
+{
+	engine = e;
+}
+
+int
+Port::connect (Port& other)
+{
+	/* caller must hold process lock */
+
+	pair<set<Port*>::iterator,bool> result;
+
+	result = _connections.insert (&other);
+
+	if (result.second) {
+		return 0;
+	} else {
+		return 1;
+	}
+}
+
+int
+Port::disconnect (Port& other)
+{
+	/* caller must hold process lock */
+	
+	for (set<Port*>::iterator i = _connections.begin(); i != _connections.end(); ++i) {
+		if ((*i) == &other) {
+			_connections.erase (i);
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+
+int
+Port::disconnect_all ()
+{
+	/* caller must hold process lock */
+
+	_connections.clear ();
+	return 0;
+}
+
+void
+Port::set_latency (nframes_t val)
+{
+	_latency = val;
+}
+
+bool
+Port::connected() const
+{
+	/* caller must hold process lock */
+	return !_connections.empty();
+}
+
+bool
+Port::connected_to (const string& portname) const
+{
+	/* caller must hold process lock */
+
+	for (set<Port*>::const_iterator p = _connections.begin(); p != _connections.end(); ++p) {
+		if ((*p)->name() == portname) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+int
+Port::get_connections (vector<string>& names) const
+{
+	/* caller must hold process lock */
+	int i = 0;
+	set<Port*>::const_iterator p;
+
+	for (i = 0, p = _connections.begin(); p != _connections.end(); ++p, ++i) {
+		names.push_back ((*p)->name());
+	}
+
+	return i;
+}
+
+
+//-------------------------------------
+
+int
+PortFacade::set_name (const std::string& str)
+{
+	int ret;
+
+	if (_ext_port) {
+		if ((ret = _ext_port->set_name (str)) == 0) {
+			_name = _ext_port->name();
+		}
+	} else {
+		_name = str;
+		ret = 0;
+	}
+
+	return ret;
+}
+
+string
+PortFacade::short_name ()  const
+{
+	if (_ext_port) {
+		return _ext_port->short_name(); 
+	} else {
+		return _name;
+	}
+}
+
+
+int
+PortFacade::reestablish ()
+{
+	if (_ext_port) {
+		return _ext_port->reestablish ();
+	} else {
+		return 0;
+	}
+}
+
+
+int
+PortFacade::reconnect()
+{
+	if (_ext_port) {
+		return _ext_port->reconnect ();
+	} else {
+		return 0;
+	}
+}
+
+void
+PortFacade::set_latency (nframes_t val)
+{
+	if (_ext_port) {
+		_ext_port->set_latency (val);
+	} else {
+		_latency = val;
+	}
+}
+
+nframes_t
+PortFacade::latency() const
+{
+	if (_ext_port) {
+		return _ext_port->latency();
+	} else {
+		return _latency;
+	}
+}
+
+nframes_t
+PortFacade::total_latency() const
+{
+	if (_ext_port) {
+		return _ext_port->total_latency();
+	} else {
+		return _latency;
+	}
+}
+
+bool
+PortFacade::monitoring_input() const
+{
+	if (_ext_port) {
+		return _ext_port->monitoring_input ();
+	} else {
+		return false;
+	}
+}
+
+void
+PortFacade::ensure_monitor_input (bool yn)
+{
+	if (_ext_port) {
+		_ext_port->ensure_monitor_input (yn);
+	}
+}
+
+void
+PortFacade::request_monitor_input (bool yn)
+{
+	if (_ext_port) {
+		_ext_port->request_monitor_input (yn);
+	} 
+}
+
+int
+PortFacade::connect (Port& other)
+{
+	int ret;
+	
+	if (_ext_port) {
+		ret = _ext_port->connect (other);
+	} else {
+		ret = 0;
+	}
+
+	if (ret == 0) {
+		ret = Port::connect (other);
+	}
+
+	return ret;
+}
+
+int
+PortFacade::connect (const std::string& other)
+{
+	PortConnectableByName* pcn;
+
+	if (!_ext_port) {
+		return -1;
+	}
+		
+	pcn = dynamic_cast<PortConnectableByName*>(_ext_port);
+
+	if (pcn) {
+		return pcn->connect (other);
+	} else {
+		return -1;
+	}
+}
+
+
+int
+PortFacade::disconnect (Port& other)
+{
+	int reta;
+	int retb;
+	
+	if (_ext_port) {
+		reta = _ext_port->disconnect (other);
+	} else {
+		reta = 0;
+	}
+
+	retb = Port::disconnect (other);
+
+	return reta || retb;
+}
+
+int 
+PortFacade::disconnect_all ()
+{
+	int reta;
+	int retb;
+
+	if (_ext_port) {
+		reta = _ext_port->disconnect_all ();
+	} 
+
+	retb = Port::disconnect_all ();
+
+	return reta || retb;
+}
+		
+int
+PortFacade::disconnect (const std::string& other)
+{
+	PortConnectableByName* pcn;
+
+	if (!_ext_port) {
+		return -1;
+	}
+		
+	pcn = dynamic_cast<PortConnectableByName*>(_ext_port);
+
+	if (pcn) {
+		return pcn->disconnect (other);
+	} else {
+		return -1;
+	}
+}
+
+bool
+PortFacade::connected () const 
+{
+	if (Port::connected()) {
+		return true;
+	}
+
+	if (_ext_port) {
+		return _ext_port->connected();
+	}
+
+	return false;
+}
+bool
+PortFacade::connected_to (const std::string& portname) const 
+{
+	if (Port::connected_to (portname)) {
+		return true;
+	}
+
+	if (_ext_port) {
+		return _ext_port->connected_to (portname);
+	}
+
+	return false;
+
+}
+
+int
+PortFacade::get_connections (vector<string>& names) const 
+{
+	int i = 0;
+
+	if (_ext_port) {
+		i = _ext_port->get_connections (names);
+	}
+
+	i += Port::get_connections (names);
+
+	return i;
+}
+
+void
+PortFacade::reset ()
+{
+	Port::reset ();
+
+	if (_ext_port) {
+		_ext_port->reset ();
+	}
+}