genode/os/include/packet_stream_rx/rpc_object.h
2012-01-03 15:35:05 +01:00

81 lines
2.3 KiB
C++

/*
* \brief Server-side interface for packet-stream reception
* \author Norman Feske
* \date 2010-03-01
*/
/*
* Copyright (C) 2010-2012 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_ */