Imported Genode release 11.11

os/include/packet_stream_rx/rpc_object.h

@@ -0,0 +1,80 @@
+/*
+ * \brief  Server-side interface for packet-stream reception
+ * \author Norman Feske
+ * \date   2010-03-01
+ */
+
+/*
+ * Copyright (C) 2010-2011 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef _INCLUDE__PACKET_STREAM_RX__RPC_OBJECT_H_
+#define _INCLUDE__PACKET_STREAM_RX__RPC_OBJECT_H_
+
+#include <packet_stream_rx/packet_stream_rx.h>
+#include <base/rpc_server.h>
+
+namespace Packet_stream_rx {
+
+	template <typename CHANNEL>
+	class Rpc_object : public Genode::Rpc_object<CHANNEL, Rpc_object<CHANNEL> >
+	{
+		private:
+
+			Genode::Rpc_entrypoint     &_ep;
+			Genode::Capability<CHANNEL> _cap;
+			typename CHANNEL::Source    _source;
+
+		public:
+
+			/*
+			 * Accessors for server-side signal handlers
+			 *
+			 * The functions are virtual to enable derived classes to supply
+			 * custom handlers for data-flow signals.
+			 */
+
+			virtual Genode::Signal_context_capability sigh_ready_to_submit() {
+				return _source.sigh_ready_to_submit(); }
+
+			virtual Genode::Signal_context_capability sigh_ack_avail() {
+				return _source.sigh_ack_avail(); }
+
+			/**
+			 * Constructor
+			 *
+			 * \param ds            dataspace used as communication buffer
+			 *                      for the receive packet stream
+			 * \param buffer_alloc  allocator used for managing the communication
+			 *                      buffer of the receive packet stream
+			 * \param ep            entry point used for serving the channel's RPC
+			 *                      interface
+			 */
+			Rpc_object(Genode::Dataspace_capability  ds,
+			           Genode::Range_allocator      *buffer_alloc,
+			           Genode::Rpc_entrypoint       &ep)
+			: _ep(ep), _cap(_ep.manage(this)), _source(buffer_alloc, ds) { }
+
+			/**
+			 * Destructor
+			 */
+			~Rpc_object() { _ep.dissolve(this); }
+
+			Genode::Dataspace_capability dataspace() { return _source.dataspace(); }
+
+			void sigh_ready_to_ack(Genode::Signal_context_capability sigh) {
+				_source.register_sigh_ready_to_ack(sigh); }
+
+			void sigh_packet_avail(Genode::Signal_context_capability sigh) {
+				_source.register_sigh_packet_avail(sigh); }
+
+			typename CHANNEL::Source *source() { return &_source; }
+
+			Genode::Capability<CHANNEL> cap() const { return _cap; }
+	};
+}
+
+#endif /* _INCLUDE__PACKET_STREAM_RX__RPC_OBJECT_H_ */