diff options
Diffstat (limited to 'vnc.h')
| -rw-r--r-- | vnc.h | 150 |
1 files changed, 147 insertions, 3 deletions
@@ -1,5 +1,149 @@ -#ifndef __VNCTIGHT_H -#define __VNCTIGHT_H +/* + * QEMU VNC display driver + * + * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws> + * Copyright (C) 2006 Fabrice Bellard + * Copyright (C) 2009 Red Hat, Inc + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef __QEMU_VNC_H +#define __QEMU_VNC_H + +#include "qemu-common.h" +#include "console.h" +#include "monitor.h" +#include "audio/audio.h" +#include <zlib.h> + +#ifdef CONFIG_VNC_TLS +#include <gnutls/gnutls.h> +#include <gnutls/x509.h> +#endif /* CONFIG_VNC_TLS */ + +#include "keymaps.h" + +/***************************************************************************** + * + * Core data structures + * + *****************************************************************************/ + +typedef struct Buffer +{ + size_t capacity; + size_t offset; + uint8_t *buffer; +} Buffer; + +typedef struct VncState VncState; + +typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len); + +typedef void VncWritePixels(VncState *vs, void *data, int size); + +typedef void VncSendHextileTile(VncState *vs, + int x, int y, int w, int h, + void *last_bg, + void *last_fg, + int *has_bg, int *has_fg); + +#define VNC_MAX_WIDTH 2048 +#define VNC_MAX_HEIGHT 2048 +#define VNC_DIRTY_WORDS (VNC_MAX_WIDTH / (16 * 32)) + +#define VNC_AUTH_CHALLENGE_SIZE 16 + +typedef struct VncDisplay VncDisplay; + +struct VncDisplay +{ + int lsock; + DisplayState *ds; + VncState *clients; + kbd_layout_t *kbd_layout; + + char *display; + char *password; + int auth; +#ifdef CONFIG_VNC_TLS + int subauth; + int x509verify; + + char *x509cacert; + char *x509cacrl; + char *x509cert; + char *x509key; +#endif +}; + +struct VncState +{ + QEMUTimer *timer; + int csock; + DisplayState *ds; + VncDisplay *vd; + int need_update; + uint32_t dirty_row[VNC_MAX_HEIGHT][VNC_DIRTY_WORDS]; + char *old_data; + uint32_t features; + int absolute; + int last_x; + int last_y; + + uint32_t vnc_encoding; + uint8_t tight_quality; + uint8_t tight_compression; + + int major; + int minor; + + char challenge[VNC_AUTH_CHALLENGE_SIZE]; + +#ifdef CONFIG_VNC_TLS + int wiremode; + gnutls_session_t tls_session; +#endif + + Buffer output; + Buffer input; + /* current output mode information */ + VncWritePixels *write_pixels; + VncSendHextileTile *send_hextile_tile; + DisplaySurface clientds, serverds; + + CaptureVoiceOut *audio_cap; + struct audsettings as; + + VncReadEvent *read_handler; + size_t read_handler_expect; + /* input */ + uint8_t modifiers_state[256]; + + Buffer zlib; + Buffer zlib_tmp; + z_stream zlib_stream[4]; + + VncState *next; +}; + /***************************************************************************** * @@ -111,4 +255,4 @@ enum { #define VNC_FEATURE_ZLIB_MASK (1 << VNC_FEATURE_ZLIB) #define VNC_FEATURE_COPYRECT_MASK (1 << VNC_FEATURE_COPYRECT) -#endif /* __VNCTIGHT_H */ +#endif /* __QEMU_VNC_H */ |