/*
|
* Copyright (c) 2001, Adam Dunkels.
|
* All rights reserved.
|
*
|
* Redistribution and use in source and binary forms, with or without
|
* modification, are permitted provided that the following conditions
|
* are met:
|
* 1. Redistributions of source code must retain the above copyright
|
* notice, this list of conditions and the following disclaimer.
|
* 2. Redistributions in binary form must reproduce the above copyright
|
* notice, this list of conditions and the following disclaimer in the
|
* documentation and/or other materials provided with the distribution.
|
* 3. The name of the author may not be used to endorse or promote
|
* products derived from this software without specific prior
|
* written permission.
|
*
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
*
|
* This file is part of the uIP TCP/IP stack.
|
*
|
*
|
*/
|
|
#ifndef __VNC_SERVER_H__
|
#define __VNC_SERVER_H__
|
|
|
/*struct vnc_server_updatearea {
|
uint8_t active;
|
uint8_t x, y;
|
uint8_t w, h;
|
};*/
|
|
struct vnc_server_update {
|
struct vnc_server_update *next;
|
|
#define VNC_SERVER_UPDATE_NONE 0
|
#define VNC_SERVER_UPDATE_PARTS 1
|
#define VNC_SERVER_UPDATE_FULL 2
|
|
uint8_t type;
|
|
uint8_t x, y;
|
uint8_t w, h;
|
};
|
|
struct vnc_server_state {
|
uint16_t counter;
|
uint8_t type;
|
uint8_t state;
|
uint16_t height, width;
|
|
uint8_t update_requested;
|
|
/* Variables used when sending screen updates. */
|
uint8_t x, y, x1, y1, x2, y2;
|
uint8_t w, h;
|
|
|
|
uint16_t readlen;
|
uint8_t sendmsg;
|
uint8_t button;
|
|
|
struct vnc_server_update *updates_current;
|
struct vnc_server_update *updates_pending;
|
struct vnc_server_update *updates_free;
|
|
#define VNC_SERVER_MAX_UPDATES 8
|
struct vnc_server_update updates_pool[VNC_SERVER_MAX_UPDATES];
|
|
};
|
|
struct vnc_server_update *
|
vnc_server_update_alloc(struct vnc_server_state *vs);
|
void vnc_server_update_free(struct vnc_server_state *vs,
|
struct vnc_server_update *a);
|
void vnc_server_update_remove(struct vnc_server_state *vs,
|
struct vnc_server_update *a);
|
|
void vnc_server_update_add(struct vnc_server_state *vs,
|
struct vnc_server_update *a);
|
struct vnc_server_update *
|
vnc_server_update_dequeue(struct vnc_server_state *vs);
|
|
|
|
|
void vnc_server_init(void);
|
void vnc_server_appcall(struct vnc_server_state *state);
|
|
|
extern struct vnc_server_state *vs;
|
|
enum {
|
VNC_DEALLOCATED,
|
VNC_VERSION,
|
VNC_VERSION2,
|
VNC_AUTH,
|
VNC_AUTH2,
|
VNC_INIT,
|
VNC_INIT2,
|
VNC_RUNNING
|
};
|
|
/* Sendmsg */
|
enum {
|
SEND_NONE,
|
SEND_BLANK,
|
SENT_BLANK,
|
SEND_SCREEN,
|
SEND_UPDATE
|
};
|
|
|
/* Definitions of the RFB (Remote Frame Buffer) protocol
|
structures and constants. */
|
|
#include "contiki-net.h"
|
|
void vnc_server_send_data(struct vnc_server_state *vs);
|
uint8_t vnc_server_draw_rect(uint8_t *ptr, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint8_t c);
|
|
|
/* Generic rectangle - x, y coordinates, width and height. */
|
struct rfb_rect {
|
uint16_t x;
|
uint16_t y;
|
uint16_t w;
|
uint16_t h;
|
};
|
|
/* Pixel format definition. */
|
struct rfb_pixel_format {
|
uint8_t bps; /* Bits per pixel: 8, 16 or 32. */
|
uint8_t depth; /* Color depth: 8-32 */
|
uint8_t endian; /* 1 - big endian (motorola), 0 - little endian
|
(x86) */
|
uint8_t truecolor; /* 1 - true color is used, 0 - true color is not used. */
|
|
/* The following fields are only used if true color is used. */
|
uint16_t red_max, green_max, blue_max;
|
uint8_t red_shift, green_shift, blue_shift;
|
uint8_t pad1;
|
uint16_t pad2;
|
};
|
|
|
/* RFB authentication constants. */
|
|
#define RFB_AUTH_FAILED 0
|
#define RFB_AUTH_NONE 1
|
#define RFB_AUTH_VNC 2
|
|
#define RFB_VNC_AUTH_OK 0
|
#define RFB_VNC_AUTH_FAILED 1
|
#define RFB_VNC_AUTH_TOOMANY 2
|
|
/* RFB message types. */
|
|
/* From server to client: */
|
#define RFB_FB_UPDATE 0
|
#define RFB_SET_COLORMAP_ENTRIES 1
|
#define RFB_BELL 2
|
#define RFB_SERVER_CUT_TEXT 3
|
|
/* From client to server. */
|
#define RFB_SET_PIXEL_FORMAT 0
|
#define RFB_FIX_COLORMAP_ENTRIES 1
|
#define RFB_SET_ENCODINGS 2
|
#define RFB_FB_UPDATE_REQ 3
|
#define RFB_KEY_EVENT 4
|
#define RFB_POINTER_EVENT 5
|
#define RFB_CLIENT_CUT_TEXT 6
|
|
/* Encoding types. */
|
#define RFB_ENC_RAW 0
|
#define RFB_ENC_COPYRECT 1
|
#define RFB_ENC_RRE 2
|
#define RFB_ENC_CORRE 3
|
#define RFB_ENC_HEXTILE 4
|
|
/* Message definitions. */
|
|
/* Server to client messages. */
|
|
struct rfb_server_init {
|
uint16_t width;
|
uint16_t height;
|
struct rfb_pixel_format format;
|
uint8_t namelength[4];
|
/* Followed by name. */
|
};
|
|
struct rfb_fb_update {
|
uint8_t type;
|
uint8_t pad;
|
uint16_t rects; /* Number of rectanges (struct rfb_fb_update_rect_hdr +
|
data) that follows. */
|
};
|
|
struct rfb_fb_update_rect_hdr {
|
struct rfb_rect rect;
|
uint8_t encoding[4];
|
};
|
|
struct rfb_copy_rect {
|
uint16_t srcx;
|
uint16_t srcy;
|
};
|
|
struct rfb_rre_hdr {
|
uint16_t subrects[2]; /* Number of subrectangles (struct
|
rfb_rre_subrect) to follow. */
|
uint8_t bgpixel;
|
};
|
|
struct rfb_rre_subrect {
|
uint8_t pixel;
|
struct rfb_rect rect;
|
};
|
|
struct rfb_corre_rect {
|
uint8_t x;
|
uint8_t y;
|
uint8_t w;
|
uint8_t h;
|
};
|
|
/* Client to server messages. */
|
|
struct rfb_set_pixel_format {
|
uint8_t type;
|
uint8_t pad;
|
uint16_t pad2;
|
struct rfb_pixel_format format;
|
};
|
|
struct rfb_fix_colormap_entries {
|
uint8_t type;
|
uint8_t pad;
|
uint16_t firstcolor;
|
uint16_t colors;
|
};
|
|
struct rfb_set_encoding {
|
uint8_t type;
|
uint8_t pad;
|
uint16_t encodings;
|
};
|
|
struct rfb_fb_update_request {
|
uint8_t type;
|
uint8_t incremental;
|
uint16_t x;
|
uint16_t y;
|
uint16_t w;
|
uint16_t h;
|
};
|
|
struct rfb_key_event {
|
uint8_t type;
|
uint8_t down;
|
uint16_t pad;
|
uint8_t key[4];
|
};
|
|
#define RFB_BUTTON_MASK1 1
|
#define RFB_BUTTON_MASK2 2
|
#define RFB_BUTTON_MASK3 4
|
struct rfb_pointer_event {
|
uint8_t type;
|
uint8_t buttonmask;
|
uint16_t x;
|
uint16_t y;
|
};
|
|
struct rfb_client_cut_text {
|
uint8_t type;
|
uint8_t pad[3];
|
uint8_t len[4];
|
};
|
|
#endif /* __VNC_SERVER_H__ */
|
