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guacamole-spice-protocol/libguac/src/protocol.c

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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 ***** */
#if defined(HAVE_CLOCK_GETTIME) || defined(HAVE_NANOSLEEP)
#include <time.h>
#endif
#ifndef HAVE_CLOCK_GETTIME
#include <sys/time.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <inttypes.h>
#include <string.h>
#include <errno.h>
#include <cairo/cairo.h>
#include <sys/types.h>
#ifdef __MINGW32__
#include <winsock2.h>
#else
#include <sys/socket.h>
#endif
#include "socket.h"
#include "protocol.h"
#include "error.h"
/* Output formatting functions */
ssize_t __guac_socket_write_length_string(guac_socket* socket, const char* str) {
return
guac_socket_write_int(socket, 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), "%g", 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(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(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, &png_data) != CAIRO_STATUS_SUCCESS) {
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;
}
/* Instruction I/O */
int __guac_fill_instructionbuf(guac_socket* socket) {
int retval;
/* Attempt to fill buffer */
retval = recv(
socket->fd,
socket->__instructionbuf + socket->__instructionbuf_used_length,
socket->__instructionbuf_size - socket->__instructionbuf_used_length,
0
);
if (retval < 0)
return retval;
socket->__instructionbuf_used_length += retval;
/* Expand buffer if necessary */
if (socket->__instructionbuf_used_length > socket->__instructionbuf_size / 2) {
socket->__instructionbuf_size *= 2;
socket->__instructionbuf = realloc(socket->__instructionbuf, socket->__instructionbuf_size);
}
return retval;
}
/* Returns new instruction if one exists, or NULL if no more instructions. */
guac_instruction* guac_protocol_read_instruction(guac_socket* socket, int usec_timeout) {
int retval;
/* Loop until a instruction is read */
for (;;) {
/* Length of element */
int element_length = 0;
/* Position within buffer */
int i = socket->__instructionbuf_parse_start;
/* Parse instruction in buffer */
while (i < socket->__instructionbuf_used_length) {
/* Read character from buffer */
char c = socket->__instructionbuf[i++];
/* If digit, calculate element length */
if (c >= '0' && c <= '9')
element_length = element_length * 10 + c - '0';
/* Otherwise, if end of length */
else if (c == '.') {
/* Verify element is fully read */
if (i + element_length < socket->__instructionbuf_used_length) {
/* Get element value */
char* elementv = &(socket->__instructionbuf[i]);
/* Get terminator, set null terminator of elementv */
char terminator = elementv[element_length];
elementv[element_length] = '\0';
/* Move to char after terminator of element */
i += element_length+1;
/* Reset element length */
element_length = 0;
/* As element has been read successfully, update
* parse start */
socket->__instructionbuf_parse_start = i;
/* Save element */
socket->__instructionbuf_elementv[socket->__instructionbuf_elementc++] = elementv;
/* Finish parse if terminator is a semicolon */
if (terminator == ';') {
guac_instruction* parsed_instruction;
int j;
/* Allocate instruction */
parsed_instruction = malloc(sizeof(guac_instruction));
if (parsed_instruction == NULL) {
guac_error = GUAC_STATUS_NO_MEMORY;
guac_error_message = "Could not allocate memory for parsed instruction";
return NULL;
}
/* Init parsed instruction */
parsed_instruction->argc = socket->__instructionbuf_elementc - 1;
parsed_instruction->argv = malloc(sizeof(char*) * parsed_instruction->argc);
/* Fail if memory could not be alloc'd for argv */
if (parsed_instruction->argv == NULL) {
guac_error = GUAC_STATUS_NO_MEMORY;
guac_error_message = "Could not allocate memory for arguments of parsed instruction";
free(parsed_instruction);
return NULL;
}
/* Set opcode */
parsed_instruction->opcode = strdup(socket->__instructionbuf_elementv[0]);
/* Fail if memory could not be alloc'd for opcode */
if (parsed_instruction->opcode == NULL) {
guac_error = GUAC_STATUS_NO_MEMORY;
guac_error_message = "Could not allocate memory for opcode of parsed instruction";
free(parsed_instruction->argv);
free(parsed_instruction);
return NULL;
}
/* Copy element values to parsed instruction */
for (j=0; j<parsed_instruction->argc; j++) {
parsed_instruction->argv[j] = strdup(socket->__instructionbuf_elementv[j+1]);
/* Free memory and fail if out of mem */
if (parsed_instruction->argv[j] == NULL) {
guac_error = GUAC_STATUS_NO_MEMORY;
guac_error_message = "Could not allocate memory for single argument of parsed instruction";
/* Free all alloc'd argv values */
while (--j >= 0)
free(parsed_instruction->argv[j]);
free(parsed_instruction->opcode);
free(parsed_instruction->argv);
free(parsed_instruction);
return NULL;
}
}
/* Reset buffer */
memmove(socket->__instructionbuf, socket->__instructionbuf + i, socket->__instructionbuf_used_length - i);
socket->__instructionbuf_used_length -= i;
socket->__instructionbuf_parse_start = 0;
socket->__instructionbuf_elementc = 0;
/* Done */
return parsed_instruction;
} /* end if terminator */
/* Error if expected comma is not present */
else if (terminator != ',') {
guac_error = GUAC_STATUS_BAD_ARGUMENT;
guac_error_message = "Element terminator of instructioni was not ';' nor ','";
return NULL;
}
} /* end if element fully read */
/* Otherwise, read more data */
else
break;
}
/* Error if length is non-numeric or does not end in a period */
else {
guac_error = GUAC_STATUS_BAD_ARGUMENT;
guac_error_message = "Non-numeric character in element length";
return NULL;
}
}
/* No instruction yet? Get more data ... */
retval = guac_socket_select(socket, usec_timeout);
if (retval <= 0)
return NULL;
/* If more data is available, fill into buffer */
retval = __guac_fill_instructionbuf(socket);
/* Error, guac_error already set */
if (retval < 0)
return NULL;
/* EOF */
if (retval == 0) {
guac_error = GUAC_STATUS_NO_INPUT;
guac_error_message = "End of stream reached while reading instruction";
return NULL;
}
}
}
guac_instruction* guac_protocol_expect_instruction(guac_socket* socket, int usec_timeout,
const char* opcode) {
guac_instruction* instruction;
/* Wait for data until timeout */
if (guac_protocol_instructions_waiting(socket, usec_timeout) <= 0)
return NULL;
/* Read available instruction */
instruction = guac_protocol_read_instruction(socket, usec_timeout);
if (instruction == NULL)
return NULL;
/* Validate instruction */
if (strcmp(instruction->opcode, opcode) != 0) {
guac_error = GUAC_STATUS_BAD_STATE;
guac_error_message = "Instruction read did not have expected opcode";
guac_instruction_free(instruction);
return NULL;
}
/* Return instruction if valid */
return instruction;
}
void guac_instruction_free(guac_instruction* instruction) {
int argc = instruction->argc;
/* Free opcode */
free(instruction->opcode);
/* Free argv if set (may be NULL of argc is 0) */
if (instruction->argv) {
/* All argument values */
while (argc > 0)
free(instruction->argv[--argc]);
/* Free actual array */
free(instruction->argv);
}
/* Free instruction */
free(instruction);
}
int guac_protocol_instructions_waiting(guac_socket* socket, int usec_timeout) {
if (socket->__instructionbuf_used_length > 0)
return 1;
return guac_socket_select(socket, usec_timeout);
}
guac_timestamp guac_protocol_get_timestamp() {
#ifdef HAVE_CLOCK_GETTIME
struct timespec current;
/* Get current time */
clock_gettime(CLOCK_REALTIME, &current);
/* Calculate milliseconds */
return (guac_timestamp) current.tv_sec * 1000 + current.tv_nsec / 1000000;
#else
struct timeval current;
/* Get current time */
gettimeofday(&current, NULL);
/* Calculate milliseconds */
return (guac_timestamp) current.tv_sec * 1000 + current.tv_usec / 1000;
#endif
}
/* 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) {
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, ";");
}
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_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_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_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 char* name,
const char* value) {
return
guac_socket_write_string(socket, "3.set,")
|| __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, ";");
}
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