mirror of
https://github.com/gyurix1968/guacamole-client.git
synced 2025-09-06 13:17:41 +00:00
135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
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/*
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* Guacamole - Clientless Remote Desktop
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* Copyright (C) 2010 Michael Jumper
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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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 "guacio.h"
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#include "protocol.h"
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#include "client.h"
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png_byte** guac_alloc_png_buffer(int w, int h, int bpp) {
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png_byte** png_buffer;
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png_byte* row;
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int y;
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/* Allocate rows for PNG */
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png_buffer = (png_byte**) malloc(h * sizeof(png_byte*));
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for (y=0; y<h; y++) {
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row = (png_byte*) malloc(sizeof(png_byte) * bpp * w);
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png_buffer[y] = row;
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}
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return png_buffer;
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}
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void guac_free_png_buffer(png_byte** png_buffer, int h) {
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int y;
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/* Free PNG data */
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for (y = 0; y<h; y++)
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free(png_buffer[y]);
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free(png_buffer);
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}
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guac_client* guac_get_client(int client_fd, void (*client_init)(guac_client* client, const char* hostname, int port), const char* hostname, int port) {
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guac_client* client = malloc(sizeof(guac_client));
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client->io = guac_open(client_fd);
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client_init(client, hostname, port);
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guac_flush(client->io);
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return client;
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}
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void guac_free_client(guac_client* client) {
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if (client->free_handler)
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client->free_handler(client);
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guac_close(client->io);
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free(client);
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}
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void guac_start_client(guac_client* client) {
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GUACIO* io = client->io;
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int wait_result;
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/* VNC Client Loop */
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for (;;) {
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/* Handle server messages */
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if (client->handle_messages) {
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client->handle_messages(client);
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guac_flush(client->io);
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}
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wait_result = guac_instructions_waiting(io);
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if (wait_result > 0) {
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guac_instruction* instruction;
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if ((instruction = guac_read_instruction(io))) {
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do {
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if (strcmp(instruction->opcode, "mouse") == 0) {
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if (client->mouse_handler)
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client->mouse_handler(
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client,
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atoi(instruction->argv[0]), /* x */
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atoi(instruction->argv[1]), /* y */
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atoi(instruction->argv[2]) /* mask */
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);
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}
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else if (strcmp(instruction->opcode, "key") == 0) {
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if (client->key_handler)
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client->key_handler(
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client,
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atoi(instruction->argv[0]), /* keysym */
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atoi(instruction->argv[1]) /* pressed */
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);
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}
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guac_free_instruction(instruction);
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} while ((instruction = guac_read_instruction(io)));
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}
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else
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return;
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}
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else if (wait_result < 0)
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return;
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}
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}
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