int rdp_guac_client_free_handler(guac_client* client) {
rdp_guac_client_data* guac_client_data =
(rdp_guac_client_data*) client->data;
freerdp* rdp_inst = guac_client_data->rdp_inst;
rdpChannels* channels = rdp_inst->context->channels;
/* Clean up RDP client */
freerdp_channels_close(channels, rdp_inst);
freerdp_channels_free(channels);
freerdp_disconnect(rdp_inst);
freerdp_clrconv_free(((rdp_freerdp_context*) rdp_inst->context)->clrconv);
cache_free(rdp_inst->context->cache);
freerdp_free(rdp_inst);
/* Clean up filesystem, if allocated */
if (guac_client_data->filesystem != NULL)
guac_rdp_fs_free(guac_client_data->filesystem);
/* Free SVC list */
guac_common_list_free(guac_client_data->available_svc);
/* Free client data */
guac_common_clipboard_free(guac_client_data->clipboard);
guac_common_surface_free(guac_client_data->default_surface);
free(guac_client_data);
return 0;
}
/**
* Frees all layers and associated surfaces within the given list, as well as
* their corresponding list elements. If the provided pointer to the linked
* list is NULL, this function has no effect.
*
* @param layers
* The head element of the linked list of layers to free, which may be NULL
* if the list is currently empty.
*
* @param client
* The client owning the layers wrapped by each of the layers in the list.
*/
static void guac_common_display_free_layers(guac_common_display_layer* layers,
guac_client* client) {
guac_common_display_layer* current = layers;
/* Free each surface in given list */
while (current != NULL) {
guac_common_display_layer* next = current->next;
guac_layer* layer = current->layer;
/* Free surface */
guac_common_surface_free(current->surface);
/* Destroy layer within remotely-connected client */
guac_protocol_send_dispose(client->socket, layer);
/* Free layer or buffer depending on index */
if (layer->index < 0)
guac_client_free_buffer(client, layer);
else if (layer->index > 0)
guac_client_free_layer(client, layer);
/* Free current element and advance to next */
free(current);
current = next;
}
}
void guac_common_display_free_buffer(guac_common_display* display,
guac_common_display_layer* display_buffer) {
/* Remove list element from list */
guac_common_display_remove_layer(&display->buffers, display_buffer);
/* Free associated layer and surface */
guac_common_surface_free(display_buffer->surface);
guac_client_free_buffer(display->client, display_buffer->layer);
/* Free list element */
free(display_buffer);
}
void guac_rdp_bitmap_free(rdpContext* context, rdpBitmap* bitmap) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
guac_layer* buffer = ((guac_rdp_bitmap*) bitmap)->buffer;
guac_common_surface* surface = ((guac_rdp_bitmap*) bitmap)->surface;
/* If cached, free surface */
if (surface != NULL)
guac_common_surface_free(surface);
/* If cached, free buffer */
if (buffer != NULL)
guac_client_free_buffer(client, buffer);
}
void guac_common_display_free(guac_common_display* display) {
/* Free shared cursor */
guac_common_cursor_free(display->cursor);
/* Free default surface */
guac_common_surface_free(display->default_surface);
/* Free all layers and buffers */
guac_common_display_free_layers(display->buffers, display->client);
guac_common_display_free_layers(display->layers, display->client);
free(display);
}
