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* add "or later" to GPLv2 license header where possible in order to make it compatible with GPLv3 based licenses * add license header to non-trivial files where missing fixes #5486
104 lines
1.7 KiB
C++
104 lines
1.7 KiB
C++
/*
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* \brief Wpa_supplicant CTRL interface
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* \author Josef Soentgen
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* \date 2018-07-31
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*/
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/*
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* Copyright (C) 2018 Genode Labs GmbH
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*
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* This file is distributed under the terms of the GNU General Public License
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* version 2 or later.
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*/
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#ifndef _WIFI__CTRL_H_
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#define _WIFI__CTRL_H_
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#include <util/string.h>
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namespace Wifi {
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/*
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* FD used to poll CTRL state from the supplicant.
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*/
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enum { CTRL_FD = 51, };
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struct Msg_buffer;
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struct Notify_interface : Genode::Interface
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{
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virtual void submit_response() = 0;
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virtual void submit_event() = 0;
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virtual void block_for_processing() = 0;
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};
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void ctrl_init(Msg_buffer &);
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} /* namespace Wifi */
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struct Wifi::Msg_buffer
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{
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char send[4096];
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unsigned send_id;
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char recv[4096*8];
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unsigned recv_id;
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unsigned last_recv_id;
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char event[1024];
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unsigned event_id;
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unsigned last_event_id;
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Notify_interface &_notify;
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Msg_buffer(Notify_interface ¬ify)
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: _notify { notify } { }
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/*
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* Member functions below are called by the
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* CTRL interface.
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*/
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void notify_response() const {
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_notify.submit_response(); }
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void notify_event() const {
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_notify.submit_event(); }
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void block_for_processing() {
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_notify.block_for_processing(); }
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/*
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* Member functions below are called by the
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* Manager.
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*/
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void with_new_reply(auto const &fn)
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{
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char const *msg = reinterpret_cast<char const*>(recv);
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/* return early */
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if (last_recv_id == recv_id)
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return;
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last_recv_id = recv_id;
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fn(msg);
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}
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void with_new_event(auto const &fn)
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{
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char const *msg = reinterpret_cast<char const*>(event);
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if (last_event_id == event_id)
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return;
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last_event_id = event_id;
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fn(msg);
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}
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};
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void wpa_ctrl_set_fd(void);
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#endif /* _WIFI__CTRL_H_ */
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