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71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/**
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* \brief Client connection to USB server
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* \author Sebastian Sumpf
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* \date 2014-12-08
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*/
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/*
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* Copyright (C) 2014 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__USB_SESSION__CONNECTION_H_
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#define _INCLUDE__USB_SESSION__CONNECTION_H_
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#include <usb_session/client.h>
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#include <base/connection.h>
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#include <base/allocator.h>
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namespace Usb { struct Connection; }
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struct Usb::Connection : Genode::Connection<Session>, Session_client
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{
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/**
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* Issue session request
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*
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* \noapi
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*/
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Capability<Usb::Session> _session(Genode::Parent &parent,
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char const *label,
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Genode::size_t tx_buf_size)
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{
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return session(parent, "ram_quota=%ld, tx_buf_size=%ld, label=\"%s\"",
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3 * 4096 + tx_buf_size, tx_buf_size, label);
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}
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/**
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* Constructor
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*/
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Connection(Genode::Env &env,
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Genode::Range_allocator *tx_block_alloc,
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char const *label = "",
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Genode::size_t tx_buf_size = 512 * 1024,
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Genode::Signal_context_capability sigh_state_changed =
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Genode::Signal_context_capability())
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:
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Genode::Connection<Session>(env, _session(env.parent(), label, tx_buf_size)),
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Session_client(cap(), tx_block_alloc, sigh_state_changed)
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{ }
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/**
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* Constructor
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*
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* \noapi
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* \deprecated Use the constructor with 'Env &' as first
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* argument instead
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*/
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Connection(Genode::Range_allocator *tx_block_alloc,
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char const *label = "",
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Genode::size_t tx_buf_size = 512 * 1024,
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Genode::Signal_context_capability sigh_state_changed =
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Genode::Signal_context_capability())
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:
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Genode::Connection<Session>(_session(*Genode::env()->parent(), label, tx_buf_size)),
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Session_client(cap(), tx_block_alloc, sigh_state_changed)
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{ }
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};
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#endif /* _INCLUDE__USB_SESSION__CONNECTION_H_ */
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