cd3a5852d6
This commit enables compile-time warnings displayed whenever a deprecated API header is included, and adjusts the existing #include directives accordingly. Issue #1987
92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
/*
|
|
* \brief Terminal session component
|
|
* \author Christian Prochaska
|
|
* \date 2012-05-16
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2012-2017 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 _TERMINAL_SESSION_COMPONENT_H_
|
|
#define _TERMINAL_SESSION_COMPONENT_H_
|
|
|
|
/* Genode includes */
|
|
#include <base/rpc_server.h>
|
|
#include <base/attached_ram_dataspace.h>
|
|
#include <os/ring_buffer.h>
|
|
#include <terminal_session/terminal_session.h>
|
|
|
|
namespace Terminal_crosslink {
|
|
|
|
using namespace Genode;
|
|
|
|
enum { STACK_SIZE = sizeof(addr_t)*1024 };
|
|
enum { BUFFER_SIZE = 4096 };
|
|
|
|
class Session_component : public Rpc_object<Terminal::Session,
|
|
Session_component>
|
|
{
|
|
private:
|
|
|
|
Env &_env;
|
|
|
|
Session_component &_partner;
|
|
Genode::Session_capability _session_cap;
|
|
|
|
Attached_ram_dataspace _io_buffer;
|
|
|
|
typedef Genode::Ring_buffer<unsigned char, BUFFER_SIZE+1> Local_buffer;
|
|
|
|
Local_buffer _buffer;
|
|
size_t _cross_num_bytes_avail;
|
|
Signal_context_capability _read_avail_sigh;
|
|
|
|
public:
|
|
|
|
/**
|
|
* Constructor
|
|
*/
|
|
Session_component(Env &env, Session_component &partner);
|
|
|
|
Session_capability cap();
|
|
|
|
/**
|
|
* Return true if capability belongs to session object
|
|
*/
|
|
bool belongs_to(Genode::Session_capability cap);
|
|
|
|
/* to be called by the partner component */
|
|
bool cross_avail();
|
|
size_t cross_read(unsigned char *buf, size_t dst_len);
|
|
void cross_write();
|
|
|
|
/********************************
|
|
** Terminal session interface **
|
|
********************************/
|
|
|
|
Size size();
|
|
|
|
bool avail();
|
|
|
|
Genode::size_t _read(Genode::size_t dst_len);
|
|
|
|
Genode::size_t _write(Genode::size_t num_bytes);
|
|
|
|
Genode::Dataspace_capability _dataspace();
|
|
|
|
void connected_sigh(Genode::Signal_context_capability sigh);
|
|
|
|
void read_avail_sigh(Genode::Signal_context_capability sigh);
|
|
|
|
Genode::size_t read(void *, Genode::size_t);
|
|
Genode::size_t write(void const *, Genode::size_t);
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* _TERMINAL_SESSION_COMPONENT_H_ */
|