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guacamole-spice-protocol/src/libguac/protocol.c
Michael Jumper 9e88ae4f60 Implement file/blob/end subprotocol.
2013-07-01 15:03:46 -07:00

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is libguac.
*
* The Initial Developer of the Original Code is
* Michael Jumper.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* 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
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <inttypes.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_PNGSTRUCT_H
#include <pngstruct.h>
#endif
#include <png.h>
#include <cairo/cairo.h>
#include <sys/types.h>
#include "error.h"
#include "layer.h"
#include "palette.h"
#include "protocol.h"
#include "socket.h"
#include "unicode.h"
/* Output formatting functions */
ssize_t __guac_socket_write_length_string(guac_socket* socket, const char* str) {
return
guac_socket_write_int(socket, guac_utf8_strlen(str))
|| guac_socket_write_string(socket, ".")
|| guac_socket_write_string(socket, str);
}
ssize_t __guac_socket_write_length_int(guac_socket* socket, int64_t i) {
char buffer[128];
snprintf(buffer, sizeof(buffer), "%"PRIi64, i);
return __guac_socket_write_length_string(socket, buffer);
}
ssize_t __guac_socket_write_length_double(guac_socket* socket, double d) {
char buffer[128];
snprintf(buffer, sizeof(buffer), "%.16g", d);
return __guac_socket_write_length_string(socket, buffer);
}
/* PNG output formatting */
typedef struct __guac_socket_write_png_data {
guac_socket* socket;
char* buffer;
int buffer_size;
int data_size;
} __guac_socket_write_png_data;
cairo_status_t __guac_socket_write_png_cairo(void* closure, const unsigned char* data, unsigned int length) {
__guac_socket_write_png_data* png_data = (__guac_socket_write_png_data*) closure;
/* Calculate next buffer size */
int next_size = png_data->data_size + length;
/* If need resizing, double buffer size until big enough */
if (next_size > png_data->buffer_size) {
char* new_buffer;
do {
png_data->buffer_size <<= 1;
} while (next_size > png_data->buffer_size);
/* Resize buffer */
new_buffer = realloc(png_data->buffer, png_data->buffer_size);
png_data->buffer = new_buffer;
}
/* Append data to buffer */
memcpy(png_data->buffer + png_data->data_size, data, length);
png_data->data_size += length;
return CAIRO_STATUS_SUCCESS;
}
int __guac_socket_write_length_png_cairo(guac_socket* socket, cairo_surface_t* surface) {
__guac_socket_write_png_data png_data;
int base64_length;
/* Write surface */
png_data.socket = socket;
png_data.buffer_size = 8192;
png_data.buffer = malloc(png_data.buffer_size);
png_data.data_size = 0;
if (cairo_surface_write_to_png_stream(surface, __guac_socket_write_png_cairo, &png_data) != CAIRO_STATUS_SUCCESS) {
guac_error = GUAC_STATUS_OUTPUT_ERROR;
guac_error_message = "Cairo PNG backend failed";
return -1;
}
base64_length = (png_data.data_size + 2) / 3 * 4;
/* Write length and data */
if (
guac_socket_write_int(socket, base64_length)
|| guac_socket_write_string(socket, ".")
|| guac_socket_write_base64(socket, png_data.buffer, png_data.data_size)
|| guac_socket_flush_base64(socket)) {
free(png_data.buffer);
return -1;
}
free(png_data.buffer);
return 0;
}
void __guac_socket_write_png(png_structp png,
png_bytep data, png_size_t length) {
/* Get png buffer structure */
__guac_socket_write_png_data* png_data;
#ifdef HAVE_PNG_GET_IO_PTR
png_data = (__guac_socket_write_png_data*) png_get_io_ptr(png);
#else
png_data = (__guac_socket_write_png_data*) png->io_ptr;
#endif
/* Calculate next buffer size */
int next_size = png_data->data_size + length;
/* If need resizing, double buffer size until big enough */
if (next_size > png_data->buffer_size) {
char* new_buffer;
do {
png_data->buffer_size <<= 1;
} while (next_size > png_data->buffer_size);
/* Resize buffer */
new_buffer = realloc(png_data->buffer, png_data->buffer_size);
png_data->buffer = new_buffer;
}
/* Append data to buffer */
memcpy(png_data->buffer + png_data->data_size, data, length);
png_data->data_size += length;
}
void __guac_socket_flush_png(png_structp png) {
/* Dummy function */
}
int __guac_socket_write_length_png(guac_socket* socket, cairo_surface_t* surface) {
png_structp png;
png_infop png_info;
png_byte** png_rows;
int bpp;
int x, y;
__guac_socket_write_png_data png_data;
int base64_length;
/* Get image surface properties and data */
cairo_format_t format = cairo_image_surface_get_format(surface);
int width = cairo_image_surface_get_width(surface);
int height = cairo_image_surface_get_height(surface);
int stride = cairo_image_surface_get_stride(surface);
unsigned char* data = cairo_image_surface_get_data(surface);
/* If not RGB24, use Cairo PNG writer */
if (format != CAIRO_FORMAT_RGB24 || data == NULL)
return __guac_socket_write_length_png_cairo(socket, surface);
/* Flush pending operations to surface */
cairo_surface_flush(surface);
/* Attempt to build palette */
guac_palette* palette = guac_palette_alloc(surface);
/* If not possible, resort to Cairo PNG writer */
if (palette == NULL)
return __guac_socket_write_length_png_cairo(socket, surface);
/* Calculate BPP from palette size */
if (palette->size <= 2) bpp = 1;
else if (palette->size <= 4) bpp = 2;
else if (palette->size <= 16) bpp = 4;
else bpp = 8;
/* Set up PNG writer */
png = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png) {
guac_error = GUAC_STATUS_OUTPUT_ERROR;
guac_error_message = "libpng failed to create write structure";
return -1;
}
png_info = png_create_info_struct(png);
if (!png_info) {
png_destroy_write_struct(&png, NULL);
guac_error = GUAC_STATUS_OUTPUT_ERROR;
guac_error_message = "libpng failed to create info structure";
return -1;
}
/* Set error handler */
if (setjmp(png_jmpbuf(png))) {
png_destroy_write_struct(&png, &png_info);
guac_error = GUAC_STATUS_OUTPUT_ERROR;
guac_error_message = "libpng output error";
return -1;
}
/* Set up buffer structure */
png_data.socket = socket;
png_data.buffer_size = 8192;
png_data.buffer = malloc(png_data.buffer_size);
png_data.data_size = 0;
/* Set up writer */
png_set_write_fn(png, &png_data,
__guac_socket_write_png,
__guac_socket_flush_png);
/* Copy data from surface into PNG data */
png_rows = (png_byte**) malloc(sizeof(png_byte*) * height);
for (y=0; y<height; y++) {
/* Allocate new PNG row */
png_byte* row = (png_byte*) malloc(sizeof(png_byte) * width);
png_rows[y] = row;
/* Copy data from surface into current row */
for (x=0; x<width; x++) {
/* Get pixel color */
int color = ((uint32_t*) data)[x] & 0xFFFFFF;
/* Set index in row */
row[x] = guac_palette_find(palette, color);
}
/* Advance to next data row */
data += stride;
}
/* Write image info */
png_set_IHDR(
png,
png_info,
width,
height,
bpp,
PNG_COLOR_TYPE_PALETTE,
PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT
);
/* Write palette */
png_set_PLTE(png, png_info, palette->colors, palette->size);
/* Write image */
png_set_rows(png, png_info, png_rows);
png_write_png(png, png_info, PNG_TRANSFORM_PACKING, NULL);
/* Finish write */
png_destroy_write_struct(&png, &png_info);
/* Free palette */
guac_palette_free(palette);
/* Free PNG data */
for (y=0; y<height; y++)
free(png_rows[y]);
free(png_rows);
base64_length = (png_data.data_size + 2) / 3 * 4;
/* Write length and data */
if (
guac_socket_write_int(socket, base64_length)
|| guac_socket_write_string(socket, ".")
|| guac_socket_write_base64(socket, png_data.buffer, png_data.data_size)
|| guac_socket_flush_base64(socket)) {
free(png_data.buffer);
return -1;
}
free(png_data.buffer);
return 0;
}
/* Protocol functions */
int guac_protocol_send_args(guac_socket* socket, const char** args) {
int i;
if (guac_socket_write_string(socket, "4.args")) return -1;
for (i=0; args[i] != NULL; i++) {
if (guac_socket_write_string(socket, ","))
return -1;
if (__guac_socket_write_length_string(socket, args[i]))
return -1;
}
return guac_socket_write_string(socket, ";");
}
int guac_protocol_send_arc(guac_socket* socket, const guac_layer* layer,
int x, int y, int radius, double startAngle, double endAngle,
int negative) {
return
guac_socket_write_string(socket, "3.arc,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, y)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, radius)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, startAngle)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, endAngle)
|| guac_socket_write_string(socket, ",")
|| guac_socket_write_string(socket, negative ? "1.1" : "1.0")
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_audio(guac_socket* socket, int channel,
const char* mimetype, double duration, void* data, int size) {
return
guac_protocol_send_audio_header(socket, channel,
mimetype, duration, size)
|| guac_protocol_send_audio_data(socket, data, size)
|| guac_protocol_send_audio_end(socket);
}
int guac_protocol_send_audio_header(guac_socket* socket,
int channel, const char* mimetype, double duration, int size) {
int base64_length = (size + 2) / 3 * 4;
return
guac_socket_write_string(socket, "5.audio,")
|| __guac_socket_write_length_int(socket, channel)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_string(socket, mimetype)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, duration)
|| guac_socket_write_string(socket, ",")
|| guac_socket_write_int(socket, base64_length)
|| guac_socket_write_string(socket, ".");
}
int guac_protocol_send_audio_data(guac_socket* socket, void* data, int count) {
return guac_socket_write_base64(socket, data, count);
}
int guac_protocol_send_audio_end(guac_socket* socket) {
return
guac_socket_flush_base64(socket)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_blob(guac_socket* socket, int index, void* data, int count) {
int base64_length = (count + 2) / 3 * 4;
return
guac_socket_write_string(socket, "4.blob,")
|| __guac_socket_write_length_int(socket, index)
|| guac_socket_write_string(socket, ",")
|| guac_socket_write_int(socket, base64_length)
|| guac_socket_write_string(socket, ".")
|| guac_socket_write_base64(socket, data, count)
|| guac_socket_flush_base64(socket)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_cfill(guac_socket* socket,
guac_composite_mode mode, const guac_layer* layer,
int r, int g, int b, int a) {
return
guac_socket_write_string(socket, "5.cfill,")
|| __guac_socket_write_length_int(socket, mode)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, r)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, g)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, b)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, a)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_close(guac_socket* socket, const guac_layer* layer) {
return
guac_socket_write_string(socket, "5.close,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_connect(guac_socket* socket, const char** args) {
int i;
if (guac_socket_write_string(socket, "7.connect")) return -1;
for (i=0; args[i] != NULL; i++) {
if (guac_socket_write_string(socket, ","))
return -1;
if (__guac_socket_write_length_string(socket, args[i]))
return -1;
}
return guac_socket_write_string(socket, ";");
}
int guac_protocol_send_clip(guac_socket* socket, const guac_layer* layer) {
return
guac_socket_write_string(socket, "4.clip,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_clipboard(guac_socket* socket, const char* data) {
return
guac_socket_write_string(socket, "9.clipboard,")
|| __guac_socket_write_length_string(socket, data)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_copy(guac_socket* socket,
const guac_layer* srcl, int srcx, int srcy, int w, int h,
guac_composite_mode mode, const guac_layer* dstl, int dstx, int dsty) {
return
guac_socket_write_string(socket, "4.copy,")
|| __guac_socket_write_length_int(socket, srcl->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, srcx)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, srcy)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, w)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, h)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, mode)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, dstl->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, dstx)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, dsty)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_cstroke(guac_socket* socket,
guac_composite_mode mode, const guac_layer* layer,
guac_line_cap_style cap, guac_line_join_style join, int thickness,
int r, int g, int b, int a) {
return
guac_socket_write_string(socket, "7.cstroke,")
|| __guac_socket_write_length_int(socket, mode)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, cap)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, join)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, thickness)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, r)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, g)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, b)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, a)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_cursor(guac_socket* socket, int x, int y,
const guac_layer* srcl, int srcx, int srcy, int w, int h) {
return
guac_socket_write_string(socket, "6.cursor,")
|| __guac_socket_write_length_int(socket, x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, y)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, srcl->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, srcx)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, srcy)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, w)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, h)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_curve(guac_socket* socket, const guac_layer* layer,
int cp1x, int cp1y, int cp2x, int cp2y, int x, int y) {
return
guac_socket_write_string(socket, "5.curve,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, cp1x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, cp1y)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, cp2x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, cp2y)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, y)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_disconnect(guac_socket* socket) {
return guac_socket_write_string(socket, "10.disconnect;");
}
int guac_protocol_send_dispose(guac_socket* socket, const guac_layer* layer) {
return
guac_socket_write_string(socket, "7.dispose,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_distort(guac_socket* socket, const guac_layer* layer,
double a, double b, double c,
double d, double e, double f) {
return
guac_socket_write_string(socket, "7.distort,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, a)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, b)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, c)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, d)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, e)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, f)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_end(guac_socket* socket, int index) {
return
guac_socket_write_string(socket, "3.end,")
|| __guac_socket_write_length_int(socket, index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_error(guac_socket* socket, const char* error) {
return
guac_socket_write_string(socket, "5.error,")
|| __guac_socket_write_length_string(socket, error)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_file(guac_socket* socket, int index, const char* name, const char* mimetype) {
return
guac_socket_write_string(socket, "4.file,")
|| __guac_socket_write_length_int(socket, index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_string(socket, name)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_string(socket, mimetype)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_identity(guac_socket* socket, const guac_layer* layer) {
return
guac_socket_write_string(socket, "8.identity,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_lfill(guac_socket* socket,
guac_composite_mode mode, const guac_layer* layer,
const guac_layer* srcl) {
return
guac_socket_write_string(socket, "5.lfill,")
|| __guac_socket_write_length_int(socket, mode)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, srcl->index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_line(guac_socket* socket, const guac_layer* layer,
int x, int y) {
return
guac_socket_write_string(socket, "4.line,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, y)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_lstroke(guac_socket* socket,
guac_composite_mode mode, const guac_layer* layer,
guac_line_cap_style cap, guac_line_join_style join, int thickness,
const guac_layer* srcl) {
return
guac_socket_write_string(socket, "7.lstroke,")
|| __guac_socket_write_length_int(socket, mode)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, cap)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, join)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, thickness)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, srcl->index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_move(guac_socket* socket, const guac_layer* layer,
const guac_layer* parent, int x, int y, int z) {
return
guac_socket_write_string(socket, "4.move,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, parent->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, y)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, z)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_name(guac_socket* socket, const char* name) {
return
guac_socket_write_string(socket, "4.name,")
|| __guac_socket_write_length_string(socket, name)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_nest(guac_socket* socket, int index,
const char* data) {
return
guac_socket_write_string(socket, "4.nest,")
|| __guac_socket_write_length_int(socket, index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_string(socket, data)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_png(guac_socket* socket, guac_composite_mode mode,
const guac_layer* layer, int x, int y, cairo_surface_t* surface) {
return
guac_socket_write_string(socket, "3.png,")
|| __guac_socket_write_length_int(socket, mode)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, y)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_png(socket, surface)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_pop(guac_socket* socket, const guac_layer* layer) {
return
guac_socket_write_string(socket, "3.pop,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_push(guac_socket* socket, const guac_layer* layer) {
return
guac_socket_write_string(socket, "4.push,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_rect(guac_socket* socket,
const guac_layer* layer, int x, int y, int width, int height) {
return
guac_socket_write_string(socket, "4.rect,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, y)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, width)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, height)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_reset(guac_socket* socket, const guac_layer* layer) {
return
guac_socket_write_string(socket, "5.reset,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_set(guac_socket* socket, const guac_layer* layer,
const char* name, const char* value) {
return
guac_socket_write_string(socket, "3.set,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_string(socket, name)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_string(socket, value)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_select(guac_socket* socket, const char* protocol) {
return
guac_socket_write_string(socket, "6.select,")
|| __guac_socket_write_length_string(socket, protocol)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_shade(guac_socket* socket, const guac_layer* layer,
int a) {
return
guac_socket_write_string(socket, "5.shade,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, a)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_size(guac_socket* socket, const guac_layer* layer,
int w, int h) {
return
guac_socket_write_string(socket, "4.size,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, w)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, h)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_start(guac_socket* socket, const guac_layer* layer,
int x, int y) {
return
guac_socket_write_string(socket, "5.start,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, x)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, y)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_sync(guac_socket* socket, guac_timestamp timestamp) {
return
guac_socket_write_string(socket, "4.sync,")
|| __guac_socket_write_length_int(socket, timestamp)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_transfer(guac_socket* socket,
const guac_layer* srcl, int srcx, int srcy, int w, int h,
guac_transfer_function fn, const guac_layer* dstl, int dstx, int dsty) {
return
guac_socket_write_string(socket, "8.transfer,")
|| __guac_socket_write_length_int(socket, srcl->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, srcx)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, srcy)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, w)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, h)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, fn)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, dstl->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, dstx)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, dsty)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_transform(guac_socket* socket, const guac_layer* layer,
double a, double b, double c,
double d, double e, double f) {
return
guac_socket_write_string(socket, "9.transform,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, a)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, b)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, c)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, d)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, e)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, f)
|| guac_socket_write_string(socket, ";");
}
int guac_protocol_send_video(guac_socket* socket, const guac_layer* layer,
const char* mimetype, double duration, void* data, int size) {
return
guac_protocol_send_video_header(socket, layer,
mimetype, duration, size)
|| guac_protocol_send_video_data(socket, data, size)
|| guac_protocol_send_video_end(socket);
}
int guac_protocol_send_video_header(guac_socket* socket,
const guac_layer* layer, const char* mimetype, double duration, int size) {
int base64_length = (size + 2) / 3 * 4;
return
guac_socket_write_string(socket, "5.video,")
|| __guac_socket_write_length_int(socket, layer->index)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_string(socket, mimetype)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_double(socket, duration)
|| guac_socket_write_string(socket, ",")
|| guac_socket_write_int(socket, base64_length)
|| guac_socket_write_string(socket, ".");
}
int guac_protocol_send_video_data(guac_socket* socket, void* data, int count) {
return guac_socket_write_base64(socket, data, count);
}
int guac_protocol_send_video_end(guac_socket* socket) {
return
guac_socket_flush_base64(socket)
|| guac_socket_write_string(socket, ";");
}
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