Marc-André Lureau | df85a78 | 2016-12-12 15:06:14 +0300 | [diff] [blame] | 1 | /* |
| 2 | * QEMU System Emulator |
| 3 | * |
| 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | #ifndef CHAR_MUX_H |
| 25 | #define CHAR_MUX_H |
| 26 | |
Marc-André Lureau | 8228e35 | 2017-01-26 17:19:46 +0400 | [diff] [blame] | 27 | #include "chardev/char.h" |
Marc-André Lureau | 4d43a60 | 2017-01-26 18:26:44 +0400 | [diff] [blame] | 28 | #include "chardev/char-fe.h" |
Marc-André Lureau | df85a78 | 2016-12-12 15:06:14 +0300 | [diff] [blame] | 29 | |
| 30 | extern bool muxes_realized; |
| 31 | |
| 32 | #define MAX_MUX 4 |
| 33 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ |
| 34 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) |
| 35 | typedef struct MuxChardev { |
| 36 | Chardev parent; |
| 37 | CharBackend *backends[MAX_MUX]; |
| 38 | CharBackend chr; |
| 39 | int focus; |
| 40 | int mux_cnt; |
| 41 | int term_got_escape; |
| 42 | int max_size; |
| 43 | /* Intermediate input buffer catches escape sequences even if the |
| 44 | currently active device is not accepting any input - but only until it |
| 45 | is full as well. */ |
| 46 | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; |
| 47 | int prod[MAX_MUX]; |
| 48 | int cons[MAX_MUX]; |
| 49 | int timestamps; |
| 50 | |
| 51 | /* Protected by the Chardev chr_write_lock. */ |
| 52 | int linestart; |
| 53 | int64_t timestamps_start; |
| 54 | } MuxChardev; |
| 55 | |
| 56 | #define MUX_CHARDEV(obj) OBJECT_CHECK(MuxChardev, (obj), TYPE_CHARDEV_MUX) |
| 57 | #define CHARDEV_IS_MUX(chr) \ |
| 58 | object_dynamic_cast(OBJECT(chr), TYPE_CHARDEV_MUX) |
| 59 | |
| 60 | void mux_chr_set_handlers(Chardev *chr, GMainContext *context); |
| 61 | void mux_set_focus(Chardev *chr, int focus); |
Marc-André Lureau | bed3bb9 | 2016-12-14 14:40:45 +0300 | [diff] [blame] | 62 | void mux_chr_send_all_event(Chardev *chr, int event); |
Marc-André Lureau | df85a78 | 2016-12-12 15:06:14 +0300 | [diff] [blame] | 63 | |
| 64 | #endif /* CHAR_MUX_H */ |