genode/repos/os/include/packet_stream_tx/client.h
2019-02-19 11:12:11 +01:00

75 lines
2.2 KiB
C++

/*
* \brief Client-side interface for packet-stream reception
* \author Norman Feske
* \date 2010-03-01
*/
/*
* Copyright (C) 2010-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#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> class Client; }
template <typename CHANNEL>
class Packet_stream_tx::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::Region_map &rm,
Genode::Range_allocator &buffer_alloc)
:
Genode::Rpc_client<CHANNEL>(channel_cap),
_source(Base::template call<Rpc_dataspace>(), rm, buffer_alloc)
{
/* 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) override {
Base::template call<Rpc_ready_to_submit>(sigh); }
void sigh_ack_avail(Genode::Signal_context_capability sigh) override {
Base::template call<Rpc_ack_avail>(sigh); }
typename CHANNEL::Source *source() override { return &_source; }
};
#endif /* _INCLUDE__PACKET_STREAM_TX__CLIENT_H_ */