Renaming and regrouping.
This commit is contained in:
Michael Jumper
parent
bd15a65398
commit
a7b00aa79f
@ -39,6 +39,7 @@
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <syslog.h>
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#include <cairo/cairo.h>
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@ -71,217 +72,6 @@ typedef struct vnc_guac_client_data {
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} vnc_guac_client_data;
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void guac_vnc_cursor(rfbClient* client, int x, int y, int w, int h, int bpp) {
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guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
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guac_socket* socket = gc->socket;
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/* Cairo image buffer */
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int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, w);
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unsigned char* buffer = malloc(h*stride);
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unsigned char* buffer_row_current = buffer;
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cairo_surface_t* surface;
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/* VNC image buffer */
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unsigned int fb_stride = bpp * w;
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unsigned char* fb_row_current = client->rcSource;
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unsigned char* fb_mask = client->rcMask;
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int dx, dy;
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/* Copy image data from VNC client to RGBA buffer */
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for (dy = 0; dy<h; dy++) {
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unsigned int* buffer_current;
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unsigned char* fb_current;
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/* Get current buffer row, advance to next */
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buffer_current = (unsigned int*) buffer_row_current;
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buffer_row_current += stride;
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/* Get current framebuffer row, advance to next */
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fb_current = fb_row_current;
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fb_row_current += fb_stride;
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for (dx = 0; dx<w; dx++) {
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unsigned char alpha, red, green, blue;
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unsigned int v;
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/* Read current pixel value */
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switch (bpp) {
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case 4:
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v = *((unsigned int*) fb_current);
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break;
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case 2:
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v = *((unsigned short*) fb_current);
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break;
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default:
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v = *((unsigned char*) fb_current);
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}
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/* Translate mask to alpha */
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if (*(fb_mask++)) alpha = 0xFF;
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else alpha = 0x00;
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/* Translate value to RGB */
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red = (v >> client->format.redShift) * 0x100 / (client->format.redMax + 1);
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green = (v >> client->format.greenShift) * 0x100 / (client->format.greenMax+ 1);
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blue = (v >> client->format.blueShift) * 0x100 / (client->format.blueMax + 1);
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/* Output ARGB */
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*(buffer_current++) = (alpha << 24) | (red << 16) | (green << 8) | blue;
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/* Next VNC pixel */
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fb_current += bpp;
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}
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}
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/* SEND CURSOR */
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surface = cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_ARGB32, w, h, stride);
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guac_protocol_send_cursor(socket, x, y, surface);
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/* Free surface */
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cairo_surface_destroy(surface);
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free(buffer);
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/* libvncclient does not free rcMask as it does rcSource */
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free(client->rcMask);
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}
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void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
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guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
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guac_socket* socket = gc->socket;
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int dx, dy;
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/* Cairo image buffer */
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int stride;
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unsigned char* buffer;
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unsigned char* buffer_row_current;
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cairo_surface_t* surface;
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/* VNC framebuffer */
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unsigned int bpp;
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unsigned int fb_stride;
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unsigned char* fb_row_current;
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/* Ignore extra update if already handled by copyrect */
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if (((vnc_guac_client_data*) gc->data)->copy_rect_used) {
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((vnc_guac_client_data*) gc->data)->copy_rect_used = 0;
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return;
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}
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/* Init Cairo buffer */
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stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, w);
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buffer = malloc(h*stride);
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buffer_row_current = buffer;
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bpp = client->format.bitsPerPixel/8;
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fb_stride = bpp * client->width;
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fb_row_current = client->frameBuffer + (y * fb_stride) + (x * bpp);
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/* Copy image data from VNC client to PNG */
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for (dy = y; dy<y+h; dy++) {
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unsigned int* buffer_current;
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unsigned char* fb_current;
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/* Get current buffer row, advance to next */
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buffer_current = (unsigned int*) buffer_row_current;
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buffer_row_current += stride;
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/* Get current framebuffer row, advance to next */
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fb_current = fb_row_current;
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fb_row_current += fb_stride;
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for (dx = x; dx<x+w; dx++) {
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unsigned char red, green, blue;
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unsigned int v;
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switch (bpp) {
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case 4:
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v = *((unsigned int*) fb_current);
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break;
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case 2:
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v = *((unsigned short*) fb_current);
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break;
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default:
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v = *((unsigned char*) fb_current);
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}
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/* Translate value to RGB */
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red = (v >> client->format.redShift) * 0x100 / (client->format.redMax + 1);
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green = (v >> client->format.greenShift) * 0x100 / (client->format.greenMax+ 1);
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blue = (v >> client->format.blueShift) * 0x100 / (client->format.blueMax + 1);
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/* Output RGB */
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*(buffer_current++) = (red << 16) | (green << 8) | blue;
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fb_current += bpp;
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}
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}
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/* For now, only use default layer */
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surface = cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_RGB24, w, h, stride);
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guac_protocol_send_png(socket, GUAC_COMP_OVER, GUAC_DEFAULT_LAYER, x, y, surface);
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/* Free surface */
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cairo_surface_destroy(surface);
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free(buffer);
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}
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void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h, int dest_x, int dest_y) {
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guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
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guac_socket* socket = gc->socket;
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/* For now, only use default layer */
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guac_protocol_send_copy(socket,
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GUAC_DEFAULT_LAYER, src_x, src_y, w, h,
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GUAC_COMP_OVER, GUAC_DEFAULT_LAYER, dest_x, dest_y);
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((vnc_guac_client_data*) gc->data)->copy_rect_used = 1;
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}
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char* guac_vnc_get_password(rfbClient* client) {
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guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
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return ((vnc_guac_client_data*) gc->data)->password;
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}
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rfbBool guac_vnc_malloc_framebuffer(rfbClient* rfb_client) {
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guac_client* gc = rfbClientGetClientData(rfb_client, __GUAC_CLIENT);
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vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) gc->data;
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/* Send new size */
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guac_protocol_send_size(gc->socket, rfb_client->width, rfb_client->height);
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/* Use original, wrapped proc */
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return guac_client_data->rfb_MallocFrameBuffer(rfb_client);
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}
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void guac_vnc_cut_text(rfbClient* client, const char* text, int textlen) {
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guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
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guac_socket* socket = gc->socket;
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guac_protocol_send_clipboard(socket, text);
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}
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int vnc_guac_client_handle_messages(guac_client* client) {
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int wait_result;
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@ -365,6 +155,33 @@ int vnc_guac_client_free_handler(guac_client* client) {
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}
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/*
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* Logging, required as libvncclient does not pass the client
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* to its logging functions, thus we cannot use guac_client_log*()
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*/
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void vnc_guac_client_log_info(const char* format, ...) {
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va_list args;
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va_start(args, format);
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vsyslog(LOG_INFO, format, args);
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va_end(args);
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}
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void vnc_guac_client_log_error(const char* format, ...) {
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va_list args;
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va_start(args, format);
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vsyslog(LOG_ERR, format, args);
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va_end(args);
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}
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int guac_client_init(guac_client* client, int argc, char** argv) {
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rfbClient* rfb_client;
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@ -373,9 +190,9 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
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int read_only = 0;
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/* FIXME: Set up libvncclient logging */
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/*rfbClientLog = guac_log_info;
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rfbClientErr = guac_log_error;*/
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/* Set up libvncclient logging */
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rfbClientLog = vnc_guac_client_log_info;
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rfbClientErr = vnc_guac_client_log_error;
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/*** PARSE ARGUMENTS ***/
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152
protocols/vnc/src/guac_handlers.c
Normal file
152
protocols/vnc/src/guac_handlers.c
Normal file
@ -0,0 +1,152 @@
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is libguac-client-vnc.
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*
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* The Initial Developer of the Original Code is
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* Michael Jumper.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <syslog.h>
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#include <cairo/cairo.h>
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#include <rfb/rfbclient.h>
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#include <guacamole/socket.h>
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#include <guacamole/protocol.h>
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#include <guacamole/client.h>
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static char* __GUAC_CLIENT = "GUAC_CLIENT";
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typedef struct vnc_guac_client_data {
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rfbClient* rfb_client;
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MallocFrameBufferProc rfb_MallocFrameBuffer;
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int copy_rect_used;
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char* password;
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char* encodings;
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} vnc_guac_client_data;
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int vnc_guac_client_handle_messages(guac_client* client) {
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int wait_result;
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rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
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wait_result = WaitForMessage(rfb_client, 1000000);
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if (wait_result < 0) {
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guac_client_log_error(client, "Error waiting for VNC server message\n");
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return 1;
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}
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if (wait_result > 0) {
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if (!HandleRFBServerMessage(rfb_client)) {
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guac_client_log_error(client, "Error handling VNC server message\n");
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return 1;
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}
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}
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return 0;
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}
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int vnc_guac_client_mouse_handler(guac_client* client, int x, int y, int mask) {
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rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
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SendPointerEvent(rfb_client, x, y, mask);
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return 0;
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}
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int vnc_guac_client_key_handler(guac_client* client, int keysym, int pressed) {
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rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
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SendKeyEvent(rfb_client, keysym, pressed);
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return 0;
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}
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int vnc_guac_client_clipboard_handler(guac_client* client, char* data) {
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rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
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SendClientCutText(rfb_client, data, strlen(data));
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return 0;
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}
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int vnc_guac_client_free_handler(guac_client* client) {
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vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) client->data;
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rfbClient* rfb_client = guac_client_data->rfb_client;
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/* Free encodings string, if used */
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if (guac_client_data->encodings != NULL)
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free(guac_client_data->encodings);
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/* Free generic data struct */
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free(client->data);
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/* Free memory not free'd by libvncclient's rfbClientCleanup() */
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if (rfb_client->frameBuffer != NULL) free(rfb_client->frameBuffer);
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if (rfb_client->raw_buffer != NULL) free(rfb_client->raw_buffer);
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if (rfb_client->rcSource != NULL) free(rfb_client->rcSource);
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/* Free VNC rfbClientData linked list (not free'd by rfbClientCleanup()) */
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while (rfb_client->clientData != NULL) {
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rfbClientData* next = rfb_client->clientData->next;
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free(rfb_client->clientData);
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rfb_client->clientData = next;
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}
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/* Clean up VNC client*/
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rfbClientCleanup(rfb_client);
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return 0;
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}
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/*
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* Logging, required as libvncclient does not pass the client
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* to its logging functions, thus we cannot use guac_client_log*()
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*/
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283
protocols/vnc/src/vnc_handlers.c
Normal file
283
protocols/vnc/src/vnc_handlers.c
Normal file
@ -0,0 +1,283 @@
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/* ***** BEGIN LICENSE BLOCK *****
|
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
|
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* The contents of this file are subject to the Mozilla Public License Version
|
||||
* 1.1 (the "License"); you may not use this file except in compliance with
|
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* the License. You may obtain a copy of the License at
|
||||
* http://www.mozilla.org/MPL/
|
||||
*
|
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* Software distributed under the License is distributed on an "AS IS" basis,
|
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
||||
* for the specific language governing rights and limitations under the
|
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* License.
|
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*
|
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* The Original Code is libguac-client-vnc.
|
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*
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* The Initial Developer of the Original Code is
|
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* Michael Jumper.
|
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* Portions created by the Initial Developer are Copyright (C) 2010
|
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* the Initial Developer. All Rights Reserved.
|
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*
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* Contributor(s):
|
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*
|
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* Alternatively, the contents of this file may be used under the terms of
|
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* either the GNU General Public License Version 2 or later (the "GPL"), or
|
||||
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||||
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||||
* of those above. If you wish to allow use of your version of this file only
|
||||
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||||
* use your version of this file under the terms of the MPL, indicate your
|
||||
* decision by deleting the provisions above and replace them with the notice
|
||||
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||||
* the provisions above, a recipient may use your version of this file under
|
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* the terms of any one of the MPL, the GPL or the LGPL.
|
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*
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* ***** END LICENSE BLOCK ***** */
|
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <syslog.h>
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#include <cairo/cairo.h>
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#include <rfb/rfbclient.h>
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#include <guacamole/socket.h>
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#include <guacamole/protocol.h>
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#include <guacamole/client.h>
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|
||||
void guac_vnc_cursor(rfbClient* client, int x, int y, int w, int h, int bpp) {
|
||||
|
||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
||||
guac_socket* socket = gc->socket;
|
||||
|
||||
/* Cairo image buffer */
|
||||
int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, w);
|
||||
unsigned char* buffer = malloc(h*stride);
|
||||
unsigned char* buffer_row_current = buffer;
|
||||
cairo_surface_t* surface;
|
||||
|
||||
/* VNC image buffer */
|
||||
unsigned int fb_stride = bpp * w;
|
||||
unsigned char* fb_row_current = client->rcSource;
|
||||
unsigned char* fb_mask = client->rcMask;
|
||||
|
||||
int dx, dy;
|
||||
|
||||
/* Copy image data from VNC client to RGBA buffer */
|
||||
for (dy = 0; dy<h; dy++) {
|
||||
|
||||
unsigned int* buffer_current;
|
||||
unsigned char* fb_current;
|
||||
|
||||
/* Get current buffer row, advance to next */
|
||||
buffer_current = (unsigned int*) buffer_row_current;
|
||||
buffer_row_current += stride;
|
||||
|
||||
/* Get current framebuffer row, advance to next */
|
||||
fb_current = fb_row_current;
|
||||
fb_row_current += fb_stride;
|
||||
|
||||
for (dx = 0; dx<w; dx++) {
|
||||
|
||||
unsigned char alpha, red, green, blue;
|
||||
unsigned int v;
|
||||
|
||||
/* Read current pixel value */
|
||||
switch (bpp) {
|
||||
case 4:
|
||||
v = *((unsigned int*) fb_current);
|
||||
break;
|
||||
|
||||
case 2:
|
||||
v = *((unsigned short*) fb_current);
|
||||
break;
|
||||
|
||||
default:
|
||||
v = *((unsigned char*) fb_current);
|
||||
}
|
||||
|
||||
/* Translate mask to alpha */
|
||||
if (*(fb_mask++)) alpha = 0xFF;
|
||||
else alpha = 0x00;
|
||||
|
||||
/* Translate value to RGB */
|
||||
red = (v >> client->format.redShift) * 0x100 / (client->format.redMax + 1);
|
||||
green = (v >> client->format.greenShift) * 0x100 / (client->format.greenMax+ 1);
|
||||
blue = (v >> client->format.blueShift) * 0x100 / (client->format.blueMax + 1);
|
||||
|
||||
/* Output ARGB */
|
||||
*(buffer_current++) = (alpha << 24) | (red << 16) | (green << 8) | blue;
|
||||
|
||||
/* Next VNC pixel */
|
||||
fb_current += bpp;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/* SEND CURSOR */
|
||||
surface = cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_ARGB32, w, h, stride);
|
||||
guac_protocol_send_cursor(socket, x, y, surface);
|
||||
|
||||
/* Free surface */
|
||||
cairo_surface_destroy(surface);
|
||||
free(buffer);
|
||||
|
||||
/* libvncclient does not free rcMask as it does rcSource */
|
||||
free(client->rcMask);
|
||||
}
|
||||
|
||||
|
||||
void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
|
||||
|
||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
||||
guac_socket* socket = gc->socket;
|
||||
|
||||
int dx, dy;
|
||||
|
||||
/* Cairo image buffer */
|
||||
int stride;
|
||||
unsigned char* buffer;
|
||||
unsigned char* buffer_row_current;
|
||||
cairo_surface_t* surface;
|
||||
|
||||
/* VNC framebuffer */
|
||||
unsigned int bpp;
|
||||
unsigned int fb_stride;
|
||||
unsigned char* fb_row_current;
|
||||
|
||||
/* Ignore extra update if already handled by copyrect */
|
||||
if (((vnc_guac_client_data*) gc->data)->copy_rect_used) {
|
||||
((vnc_guac_client_data*) gc->data)->copy_rect_used = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
/* Init Cairo buffer */
|
||||
stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, w);
|
||||
buffer = malloc(h*stride);
|
||||
buffer_row_current = buffer;
|
||||
|
||||
bpp = client->format.bitsPerPixel/8;
|
||||
fb_stride = bpp * client->width;
|
||||
fb_row_current = client->frameBuffer + (y * fb_stride) + (x * bpp);
|
||||
|
||||
/* Copy image data from VNC client to PNG */
|
||||
for (dy = y; dy<y+h; dy++) {
|
||||
|
||||
unsigned int* buffer_current;
|
||||
unsigned char* fb_current;
|
||||
|
||||
/* Get current buffer row, advance to next */
|
||||
buffer_current = (unsigned int*) buffer_row_current;
|
||||
buffer_row_current += stride;
|
||||
|
||||
/* Get current framebuffer row, advance to next */
|
||||
fb_current = fb_row_current;
|
||||
fb_row_current += fb_stride;
|
||||
|
||||
for (dx = x; dx<x+w; dx++) {
|
||||
|
||||
unsigned char red, green, blue;
|
||||
unsigned int v;
|
||||
|
||||
switch (bpp) {
|
||||
case 4:
|
||||
v = *((unsigned int*) fb_current);
|
||||
break;
|
||||
|
||||
case 2:
|
||||
v = *((unsigned short*) fb_current);
|
||||
break;
|
||||
|
||||
default:
|
||||
v = *((unsigned char*) fb_current);
|
||||
}
|
||||
|
||||
/* Translate value to RGB */
|
||||
red = (v >> client->format.redShift) * 0x100 / (client->format.redMax + 1);
|
||||
green = (v >> client->format.greenShift) * 0x100 / (client->format.greenMax+ 1);
|
||||
blue = (v >> client->format.blueShift) * 0x100 / (client->format.blueMax + 1);
|
||||
|
||||
/* Output RGB */
|
||||
*(buffer_current++) = (red << 16) | (green << 8) | blue;
|
||||
|
||||
fb_current += bpp;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/* For now, only use default layer */
|
||||
surface = cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_RGB24, w, h, stride);
|
||||
guac_protocol_send_png(socket, GUAC_COMP_OVER, GUAC_DEFAULT_LAYER, x, y, surface);
|
||||
|
||||
/* Free surface */
|
||||
cairo_surface_destroy(surface);
|
||||
free(buffer);
|
||||
|
||||
}
|
||||
|
||||
void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h, int dest_x, int dest_y) {
|
||||
|
||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
||||
guac_socket* socket = gc->socket;
|
||||
|
||||
/* For now, only use default layer */
|
||||
guac_protocol_send_copy(socket,
|
||||
GUAC_DEFAULT_LAYER, src_x, src_y, w, h,
|
||||
GUAC_COMP_OVER, GUAC_DEFAULT_LAYER, dest_x, dest_y);
|
||||
|
||||
((vnc_guac_client_data*) gc->data)->copy_rect_used = 1;
|
||||
|
||||
}
|
||||
|
||||
char* guac_vnc_get_password(rfbClient* client) {
|
||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
||||
return ((vnc_guac_client_data*) gc->data)->password;
|
||||
}
|
||||
|
||||
rfbBool guac_vnc_malloc_framebuffer(rfbClient* rfb_client) {
|
||||
|
||||
guac_client* gc = rfbClientGetClientData(rfb_client, __GUAC_CLIENT);
|
||||
vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) gc->data;
|
||||
|
||||
/* Send new size */
|
||||
guac_protocol_send_size(gc->socket, rfb_client->width, rfb_client->height);
|
||||
|
||||
/* Use original, wrapped proc */
|
||||
return guac_client_data->rfb_MallocFrameBuffer(rfb_client);
|
||||
}
|
||||
|
||||
void guac_vnc_cut_text(rfbClient* client, const char* text, int textlen) {
|
||||
|
||||
guac_client* gc = rfbClientGetClientData(client, __GUAC_CLIENT);
|
||||
guac_socket* socket = gc->socket;
|
||||
|
||||
guac_protocol_send_clipboard(socket, text);
|
||||
|
||||
}
|
||||
|
||||
void guac_vnc_client_log_info(const char* format, ...) {
|
||||
|
||||
va_list args;
|
||||
va_start(args, format);
|
||||
|
||||
vsyslog(LOG_INFO, format, args);
|
||||
|
||||
va_end(args);
|
||||
|
||||
}
|
||||
|
||||
void guac_vnc_client_log_error(const char* format, ...) {
|
||||
|
||||
va_list args;
|
||||
va_start(args, format);
|
||||
|
||||
vsyslog(LOG_ERR, format, args);
|
||||
|
||||
va_end(args);
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user