mirror of
https://github.com/dingusdev/dingusppc.git
synced 2024-08-31 10:29:40 +00:00
108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
/*
|
|
DingusPPC - The Experimental PowerPC Macintosh emulator
|
|
Copyright (C) 2018-22 divingkatae and maximum
|
|
(theweirdo) spatium
|
|
|
|
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/** Character I/O definitions. */
|
|
|
|
#ifndef CHAR_IO_H
|
|
#define CHAR_IO_H
|
|
|
|
#include <cinttypes>
|
|
|
|
#ifdef _WIN32
|
|
#else
|
|
#include <termios.h>
|
|
#include <signal.h>
|
|
#endif
|
|
|
|
enum {
|
|
CHARIO_BE_NULL = 0, // NULL backend: swallows everything, receives nothing
|
|
CHARIO_BE_STDIO = 1, // STDIO backend: uses STDIN for input and STDOUT for output
|
|
CHARIO_BE_SOCKET = 2, // socket backend: uses a socket for input and output
|
|
};
|
|
|
|
/** Interface for character I/O backends. */
|
|
class CharIoBackEnd {
|
|
public:
|
|
CharIoBackEnd() = default;
|
|
virtual ~CharIoBackEnd() = default;
|
|
|
|
virtual int rcv_enable() { return 0; };
|
|
virtual void rcv_disable() {};
|
|
virtual bool rcv_char_available() = 0;
|
|
virtual bool rcv_char_available_now() = 0;
|
|
virtual int xmit_char(uint8_t c) = 0;
|
|
virtual int rcv_char(uint8_t *c) = 0;
|
|
};
|
|
|
|
/** Null character I/O backend. */
|
|
class CharIoNull : public CharIoBackEnd {
|
|
public:
|
|
CharIoNull() = default;
|
|
~CharIoNull() = default;
|
|
|
|
bool rcv_char_available();
|
|
bool rcv_char_available_now();
|
|
int xmit_char(uint8_t c);
|
|
int rcv_char(uint8_t *c);
|
|
};
|
|
|
|
/** Stdin character I/O backend. */
|
|
class CharIoStdin : public CharIoBackEnd {
|
|
public:
|
|
CharIoStdin() { this->stdio_inited = false; };
|
|
~CharIoStdin() = default;
|
|
|
|
int rcv_enable();
|
|
void rcv_disable();
|
|
bool rcv_char_available();
|
|
bool rcv_char_available_now();
|
|
int xmit_char(uint8_t c);
|
|
int rcv_char(uint8_t *c);
|
|
|
|
private:
|
|
static void mysig_handler(int signum);
|
|
bool stdio_inited;
|
|
int consecutivechars = 0;
|
|
};
|
|
|
|
/** Socket character I/O backend. */
|
|
class CharIoSocket : public CharIoBackEnd {
|
|
public:
|
|
CharIoSocket();
|
|
~CharIoSocket();
|
|
|
|
int rcv_enable();
|
|
void rcv_disable();
|
|
bool rcv_char_available();
|
|
bool rcv_char_available_now();
|
|
int xmit_char(uint8_t c);
|
|
int rcv_char(uint8_t *c);
|
|
|
|
private:
|
|
bool socket_inited = false;
|
|
int sockfd = -1;
|
|
int acceptfd = -1;
|
|
const char* path = 0;
|
|
int consecutivechars = 0;
|
|
};
|
|
|
|
#endif // CHAR_IO_H
|