genode/os/include/packet_stream_tx/client.h

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2011-12-22 15:19:25 +00:00
/*
* \brief Client-side interface for packet-stream reception
* \author Norman Feske
* \date 2010-03-01
*/
/*
2012-01-03 14:35:05 +00:00
* Copyright (C) 2010-2012 Genode Labs GmbH
2011-12-22 15:19:25 +00:00
*
* 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_TX__CLIENT_H_
#define _INCLUDE__PACKET_STREAM_TX__CLIENT_H_
#include <packet_stream_tx/packet_stream_tx.h>
#include <base/rpc_client.h>
namespace Packet_stream_tx {
template <typename CHANNEL>
class Client : public Genode::Rpc_client<CHANNEL>
{
private:
/*
* Type shortcuts
*/
typedef Genode::Rpc_client<CHANNEL> Base;
typedef typename Base::Rpc_dataspace Rpc_dataspace;
typedef typename Base::Rpc_packet_avail Rpc_packet_avail;
typedef typename Base::Rpc_ready_to_ack Rpc_ready_to_ack;
typedef typename Base::Rpc_ready_to_submit Rpc_ready_to_submit;
typedef typename Base::Rpc_ack_avail Rpc_ack_avail;
/**
* Packet-stream source
*/
typename CHANNEL::Source _source;
public:
/**
* Constructor
*
* \param buffer_alloc allocator used for managing the
* transmission buffer
*/
Client(Genode::Capability<CHANNEL> channel_cap,
Genode::Range_allocator *buffer_alloc)
:
Genode::Rpc_client<CHANNEL>(channel_cap),
_source(buffer_alloc, Base::template call<Rpc_dataspace>())
{
/* wire data-flow signals for the packet transmitter */
_source.register_sigh_packet_avail(Base::template call<Rpc_packet_avail>());
_source.register_sigh_ready_to_ack(Base::template call<Rpc_ready_to_ack>());
sigh_ready_to_submit(_source.sigh_ready_to_submit());
sigh_ack_avail(_source.sigh_ack_avail());
}
void sigh_ready_to_submit(Genode::Signal_context_capability sigh) {
Base::template call<Rpc_ready_to_submit>(sigh); }
void sigh_ack_avail(Genode::Signal_context_capability sigh) {
Base::template call<Rpc_ack_avail>(sigh); }
typename CHANNEL::Source *source() { return &_source; }
};
}
#endif /* _INCLUDE__PACKET_STREAM_TX__CLIENT_H_ */