[PATCH] RDP compositor take 6
Jason Ekstrand
jason at jlekstrand.net
Mon Apr 1 15:38:58 PDT 2013
Looks good! Ship it!
--Jason Ekstrand
On Mon, Apr 1, 2013 at 4:43 PM, Hardening <rdp.effort at gmail.com> wrote:
> This patch is the 6th version of the FreeRDP based compositor.
> Changes from last version:
> * use pixman_image_get_stride() when appropriate
> * always realloc
>
> Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
> ---
> configure.ac | 7 +
> src/Makefile.am | 16 +-
> src/compositor-rdp.c | 1004 ++++++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 1026 insertions(+), 1 deletion(-)
> create mode 100644 src/compositor-rdp.c
>
> diff --git a/configure.ac b/configure.ac
> index 355063d..ed06d0b 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -168,6 +168,13 @@ AS_IF([test x$enable_fbdev_compositor = xyes], [
> PKG_CHECK_MODULES([FBDEV_COMPOSITOR], [libudev >= 136 mtdev >= 1.1.0])
> ])
>
> +AC_ARG_ENABLE([rdp-compositor], [ --enable-rdp-compositor],,
> + enable_rdp_compositor=no)
> +AM_CONDITIONAL([ENABLE_RDP_COMPOSITOR],
> + [test x$enable_rdp_compositor = xyes])
> +if test x$enable_rdp_compositor = xyes; then
> + PKG_CHECK_MODULES(RDP_COMPOSITOR, [freerdp >= 1.1.0])
> +fi
>
> AC_ARG_WITH(cairo-glesv2,
> AS_HELP_STRING([--with-cairo-glesv2],
> diff --git a/src/Makefile.am b/src/Makefile.am
> index d56daa0..d33ebc5 100644
> --- a/src/Makefile.am
> +++ b/src/Makefile.am
> @@ -98,7 +98,8 @@ module_LTLIBRARIES = \
> $(drm_backend) \
> $(wayland_backend) \
> $(headless_backend) \
> - $(fbdev_backend)
> + $(fbdev_backend) \
> + $(rdp_backend)
>
> noinst_LTLIBRARIES =
>
> @@ -214,6 +215,19 @@ fbdev_backend_la_SOURCES = \
> launcher-util.c
> endif
>
> +if ENABLE_RDP_COMPOSITOR
> +rdp_backend = rdp-backend.la
> +rdp_backend_la_LDFLAGS = -module -avoid-version
> +rdp_backend_la_LIBADD = $(COMPOSITOR_LIBS) \
> + $(RDP_COMPOSITOR_LIBS) \
> + ../shared/libshared.la
> +rdp_backend_la_CFLAGS = \
> + $(COMPOSITOR_CFLAGS) \
> + $(RDP_COMPOSITOR_CFLAGS) \
> + $(GCC_CFLAGS)
> +rdp_backend_la_SOURCES = compositor-rdp.c
> +endif
> +
> if ENABLE_DESKTOP_SHELL
> desktop_shell = desktop-shell.la
> desktop_shell_la_LDFLAGS = -module -avoid-version
> diff --git a/src/compositor-rdp.c b/src/compositor-rdp.c
> new file mode 100644
> index 0000000..2caaa57
> --- /dev/null
> +++ b/src/compositor-rdp.c
> @@ -0,0 +1,1004 @@
> +/*
> + * Copyright © 2013 Hardening <rdp.effort at gmail.com>
> + *
> + * Permission to use, copy, modify, distribute, and sell this software and
> + * its documentation for any purpose is hereby granted without fee, provided
> + * that the above copyright notice appear in all copies and that both that
> + * copyright notice and this permission notice appear in supporting
> + * documentation, and that the name of the copyright holders not be used in
> + * advertising or publicity pertaining to distribution of the software
> + * without specific, written prior permission. The copyright holders make
> + * no representations about the suitability of this software for any
> + * purpose. It is provided "as is" without express or implied warranty.
> + *
> + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
> + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
> + * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
> + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
> + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
> + * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
> + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
> + */
> +
> +#ifdef HAVE_CONFIG_H
> +#include <config.h>
> +#endif
> +
> +#include <stdlib.h>
> +#include <string.h>
> +#include <errno.h>
> +#include <linux/input.h>
> +
> +#include <freerdp/freerdp.h>
> +#include <freerdp/listener.h>
> +#include <freerdp/update.h>
> +#include <freerdp/input.h>
> +#include <freerdp/codec/color.h>
> +#include <freerdp/codec/rfx.h>
> +#include <freerdp/codec/nsc.h>
> +
> +#include "compositor.h"
> +#include "pixman-renderer.h"
> +
> +#define MAX_FREERDP_FDS 32
> +
> +struct rdp_compositor_config {
> + int width;
> + int height;
> + char *bind_address;
> + int port;
> + char *rdp_key;
> + char *server_cert;
> + char *server_key;
> + char *extra_modes;
> + int env_socket;
> +};
> +
> +struct rdp_output;
> +
> +struct rdp_compositor {
> + struct weston_compositor base;
> + struct weston_seat main_seat;
> +
> + freerdp_listener *listener;
> + struct wl_event_source *listener_events[MAX_FREERDP_FDS];
> + struct rdp_output *output;
> +
> + char *server_cert;
> + char *server_key;
> + char *rdp_key;
> + int tls_enabled;
> +};
> +
> +enum peer_item_flags {
> + RDP_PEER_ACTIVATED = (1 << 0),
> + RDP_PEER_OUTPUT_ENABLED = (1 << 1),
> +};
> +
> +struct rdp_peers_item {
> + int flags;
> + freerdp_peer *peer;
> + struct weston_seat seat;
> +
> + struct wl_list link;
> +};
> +
> +struct rdp_output {
> + struct weston_output base;
> + struct wl_event_source *finish_frame_timer;
> + pixman_image_t *shadow_surface;
> +
> + struct wl_list peers;
> +};
> +
> +struct rdp_peer_context {
> + rdpContext _p;
> + struct rdp_compositor *rdpCompositor;
> +
> + /* file descriptors and associated events */
> + int fds[MAX_FREERDP_FDS];
> + struct wl_event_source *events[MAX_FREERDP_FDS];
> +
> + RFX_CONTEXT *rfx_context;
> + wStream *encode_stream;
> + RFX_RECT *rfx_rects;
> + NSC_CONTEXT *nsc_context;
> +
> + struct rdp_peers_item item;
> +};
> +typedef struct rdp_peer_context RdpPeerContext;
> +
> +static void
> +rdp_compositor_config_init(struct rdp_compositor_config *config) {
> + config->width = 640;
> + config->height = 480;
> + config->bind_address = NULL;
> + config->port = 3389;
> + config->rdp_key = NULL;
> + config->server_cert = NULL;
> + config->server_key = NULL;
> + config->extra_modes = NULL;
> + config->env_socket = 0;
> +}
> +
> +static void
> +rdp_peer_refresh_rfx(pixman_region32_t *damage, pixman_image_t *image, freerdp_peer *peer)
> +{
> + int width, height, nrects, i;
> + pixman_box32_t *region, *rects;
> + uint32_t *ptr;
> + RFX_RECT *rfxRect;
> + rdpUpdate *update = peer->update;
> + SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command;
> + RdpPeerContext *context = (RdpPeerContext *)peer->context;
> +
> + stream_clear(context->encode_stream);
> + stream_set_pos(context->encode_stream, 0);
> +
> + width = (damage->extents.x2 - damage->extents.x1);
> + height = (damage->extents.y2 - damage->extents.y1);
> +
> + cmd->destLeft = damage->extents.x1;
> + cmd->destTop = damage->extents.y1;
> + cmd->destRight = damage->extents.x2;
> + cmd->destBottom = damage->extents.y2;
> + cmd->bpp = 32;
> + cmd->codecID = peer->settings->RemoteFxCodecId;
> + cmd->width = width;
> + cmd->height = height;
> +
> + ptr = pixman_image_get_data(image) + damage->extents.x1 +
> + damage->extents.y1 * (pixman_image_get_stride(image) / sizeof(uint32_t));
> +
> + rects = pixman_region32_rectangles(damage, &nrects);
> + context->rfx_rects = realloc(context->rfx_rects, nrects * sizeof *rfxRect);
> +
> + for (i = 0; i < nrects; i++) {
> + region = &rects[i];
> + rfxRect = &context->rfx_rects[i];
> +
> + rfxRect->x = (region->x1 - damage->extents.x1);
> + rfxRect->y = (region->y1 - damage->extents.y1);
> + rfxRect->width = (region->x2 - region->x1);
> + rfxRect->height = (region->y2 - region->y1);
> + }
> +
> + rfx_compose_message(context->rfx_context, context->encode_stream, context->rfx_rects, nrects,
> + (BYTE *)ptr, width, height,
> + pixman_image_get_stride(image)
> + );
> +
> + cmd->bitmapDataLength = stream_get_length(context->encode_stream);
> + cmd->bitmapData = stream_get_head(context->encode_stream);
> +
> + update->SurfaceBits(update->context, cmd);
> +}
> +
> +
> +static void
> +rdp_peer_refresh_nsc(pixman_region32_t *damage, pixman_image_t *image, freerdp_peer *peer)
> +{
> + int width, height;
> + uint32_t *ptr;
> + rdpUpdate *update = peer->update;
> + SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command;
> + RdpPeerContext *context = (RdpPeerContext *)peer->context;
> +
> + stream_clear(context->encode_stream);
> + stream_set_pos(context->encode_stream, 0);
> +
> + width = (damage->extents.x2 - damage->extents.x1);
> + height = (damage->extents.y2 - damage->extents.y1);
> +
> + cmd->destLeft = damage->extents.x1;
> + cmd->destTop = damage->extents.y1;
> + cmd->destRight = damage->extents.x2;
> + cmd->destBottom = damage->extents.y2;
> + cmd->bpp = 32;
> + cmd->codecID = peer->settings->NSCodecId;
> + cmd->width = width;
> + cmd->height = height;
> +
> + ptr = pixman_image_get_data(image) + damage->extents.x1 +
> + damage->extents.y1 * (pixman_image_get_stride(image) / sizeof(uint32_t));
> +
> + nsc_compose_message(context->nsc_context, context->encode_stream, (BYTE *)ptr,
> + cmd->width, cmd->height,
> + pixman_image_get_stride(image));
> + cmd->bitmapDataLength = stream_get_length(context->encode_stream);
> + cmd->bitmapData = stream_get_head(context->encode_stream);
> + update->SurfaceBits(update->context, cmd);
> +}
> +
> +static void
> +rdp_peer_refresh_raw(pixman_region32_t *region, pixman_image_t *image, freerdp_peer *peer)
> +{
> + pixman_image_t *tile;
> + rdpUpdate *update = peer->update;
> + SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command;
> + pixman_box32_t *extends = pixman_region32_extents(region);
> +
> + cmd->bpp = 32;
> + cmd->codecID = 0;
> + cmd->width = (extends->x2 - extends->x1);
> + cmd->height = (extends->y2 - extends->y1);;
> + cmd->bitmapDataLength = cmd->width * cmd->height * 4;
> + tile = pixman_image_create_bits(PIXMAN_x8r8g8b8, cmd->width, cmd->height, 0, cmd->width * 4);
> + pixman_image_composite32(PIXMAN_OP_SRC, image, NULL, /* op, src, mask */
> + tile, extends->x1, extends->y1, /* dest, src_x, src_y */
> + 0, 0, /* mask_x, mask_y */
> + 0, 0, /* dest_x, dest_y */
> + cmd->width, cmd->height /* width, height */
> + );
> + freerdp_image_flip((BYTE *)pixman_image_get_data(tile),
> + (BYTE *)pixman_image_get_data(tile),
> + cmd->width, cmd->height, cmd->bpp
> + );
> + cmd->bitmapData = (BYTE *)pixman_image_get_data(tile);
> + cmd->destLeft = extends->x1;
> + cmd->destTop = extends->y1;
> + cmd->destRight = extends->x2;
> + cmd->destBottom = extends->y2;
> + update->SurfaceBits(peer->context, cmd);
> + pixman_image_unref(tile);
> +}
> +
> +static void
> +rdp_peer_refresh_region(pixman_region32_t *region, freerdp_peer *peer)
> +{
> + RdpPeerContext *context = (RdpPeerContext *)peer->context;
> + struct rdp_output *output = context->rdpCompositor->output;
> + rdpSettings *settings = peer->settings;
> + pixman_box32_t *extents = pixman_region32_extents(region);
> +
> + int regionSz = (extents->x2 - extents->x1) * (extents->y2 - extents->y1);
> +
> + if(regionSz > 64 * 64) {
> + if(settings->RemoteFxCodec)
> + rdp_peer_refresh_rfx(region, output->shadow_surface, peer);
> + else if(settings->NSCodec)
> + rdp_peer_refresh_nsc(region, output->shadow_surface, peer);
> + else
> + rdp_peer_refresh_raw(region, output->shadow_surface, peer);
> + } else {
> + rdp_peer_refresh_raw(region, output->shadow_surface, peer);
> + }
> +}
> +
> +
> +static void
> +rdp_output_repaint(struct weston_output *output_base, pixman_region32_t *damage)
> +{
> + struct rdp_output *output = container_of(output_base, struct rdp_output, base);
> + struct weston_compositor *ec = output->base.compositor;
> + struct rdp_peers_item *outputPeer;
> +
> + pixman_renderer_output_set_buffer(output_base, output->shadow_surface);
> + ec->renderer->repaint_output(&output->base, damage);
> +
> + wl_list_for_each(outputPeer, &output->peers, link) {
> + if ((outputPeer->flags & RDP_PEER_ACTIVATED) &&
> + (outputPeer->flags & RDP_PEER_OUTPUT_ENABLED))
> + {
> + rdp_peer_refresh_region(damage, outputPeer->peer);
> + }
> + }
> +
> + pixman_region32_subtract(&ec->primary_plane.damage,
> + &ec->primary_plane.damage, damage);
> +
> + wl_event_source_timer_update(output->finish_frame_timer, 16);
> +}
> +
> +static void
> +rdp_output_destroy(struct weston_output *output_base)
> +{
> + struct rdp_output *output = (struct rdp_output *)output_base;
> +
> + wl_event_source_remove(output->finish_frame_timer);
> + free(output);
> +}
> +
> +static int
> +finish_frame_handler(void *data)
> +{
> + struct weston_output *output = data;
> + uint32_t msec;
> + struct timeval tv;
> +
> + gettimeofday(&tv, NULL);
> + msec = tv.tv_sec * 1000 + tv.tv_usec / 1000;
> + weston_output_finish_frame(output, msec);
> +
> + return 1;
> +}
> +
> +
> +static struct weston_mode *
> +find_matching_mode(struct weston_output *output, struct weston_mode *target) {
> + struct weston_mode *local;
> +
> + wl_list_for_each(local, &output->mode_list, link) {
> + if((local->width == target->width) && (local->height == target->height))
> + return local;
> + }
> + return 0;
> +}
> +
> +static int
> +rdp_switch_mode(struct weston_output *output, struct weston_mode *target_mode) {
> + struct rdp_output *rdpOutput = container_of(output, struct rdp_output, base);
> + struct rdp_peers_item *rdpPeer;
> + rdpSettings *settings;
> + pixman_image_t *new_shadow_buffer;
> + struct weston_mode *local_mode;
> +
> + local_mode = find_matching_mode(output, target_mode);
> + if(!local_mode) {
> + weston_log("mode %dx%d not available\n", target_mode->width, target_mode->height);
> + return -ENOENT;
> + }
> +
> + if(local_mode == output->current)
> + return 0;
> +
> + output->current->flags = 0;
> + output->current = local_mode;
> + output->current->flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
> +
> + pixman_renderer_output_destroy(output);
> + pixman_renderer_output_create(output);
> +
> + new_shadow_buffer = pixman_image_create_bits(PIXMAN_x8r8g8b8, target_mode->width,
> + target_mode->height, 0, target_mode->width * 4);
> + pixman_image_composite32(PIXMAN_OP_SRC, rdpOutput->shadow_surface, 0, new_shadow_buffer,
> + 0, 0, 0, 0, 0, 0, target_mode->width, target_mode->height);
> + pixman_image_unref(rdpOutput->shadow_surface);
> + rdpOutput->shadow_surface = new_shadow_buffer;
> +
> + wl_list_for_each(rdpPeer, &rdpOutput->peers, link) {
> + settings = rdpPeer->peer->settings;
> + if(!settings->DesktopResize) {
> + /* too bad this peer does not support desktop resize */
> + rdpPeer->peer->Close(rdpPeer->peer);
> + } else {
> + settings->DesktopWidth = target_mode->width;
> + settings->DesktopHeight = target_mode->height;
> + rdpPeer->peer->update->DesktopResize(rdpPeer->peer->context);
> + }
> + }
> + return 0;
> +}
> +
> +static int
> +parse_extra_modes(const char *modes_str, struct rdp_output *output) {
> + const char *startAt = modes_str;
> + const char *nextPos;
> + int w, h;
> + struct weston_mode *mode;
> +
> + while(startAt && *startAt) {
> + nextPos = strchr(startAt, 'x');
> + if(!nextPos)
> + return -1;
> +
> + w = strtoul(startAt, NULL, 0);
> + startAt = nextPos + 1;
> + if(!*startAt)
> + return -1;
> +
> + h = strtoul(startAt, NULL, 0);
> +
> + if(!w || (w > 3000) || !h || (h > 3000))
> + return -1;
> + mode = malloc(sizeof *mode);
> + if(!mode)
> + return -1;
> +
> + mode->width = w;
> + mode->height = h;
> + mode->refresh = 5;
> + mode->flags = 0;
> + wl_list_insert(&output->base.mode_list, &mode->link);
> +
> + startAt = strchr(startAt, ',');
> + if(startAt && *startAt == ',')
> + startAt++;
> + }
> + return 0;
> +}
> +static int
> +rdp_compositor_create_output(struct rdp_compositor *c, int width, int height,
> + const char *extraModes)
> +{
> + struct rdp_output *output;
> + struct wl_event_loop *loop;
> + struct weston_mode *currentMode, *next;
> +
> + output = malloc(sizeof *output);
> + if (output == NULL)
> + return -1;
> + memset(output, 0, sizeof *output);
> +
> + wl_list_init(&output->peers);
> + wl_list_init(&output->base.mode_list);
> +
> + currentMode = malloc(sizeof *currentMode);
> + if(!currentMode)
> + goto out_free_output;
> + currentMode->flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
> + currentMode->width = width;
> + currentMode->height = height;
> + currentMode->refresh = 5;
> + wl_list_insert(&output->base.mode_list, ¤tMode->link);
> +
> + if(parse_extra_modes(extraModes, output) < 0) {
> + weston_log("invalid extra modes\n");
> + goto out_free_output_and_modes;
> + }
> +
> + output->base.current = currentMode;
> + weston_output_init(&output->base, &c->base, 0, 0, width, height,
> + WL_OUTPUT_TRANSFORM_NORMAL);
> +
> + output->base.make = "weston";
> + output->base.model = "rdp";
> + output->shadow_surface = pixman_image_create_bits(PIXMAN_x8r8g8b8,
> + width, height,
> + NULL,
> + width * 4);
> + if (output->shadow_surface == NULL) {
> + weston_log("Failed to create surface for frame buffer.\n");
> + goto out_output;
> + }
> +
> + if (pixman_renderer_output_create(&output->base) < 0)
> + goto out_shadow_surface;
> +
> + weston_output_move(&output->base, 0, 0);
> +
> + loop = wl_display_get_event_loop(c->base.wl_display);
> + output->finish_frame_timer = wl_event_loop_add_timer(loop, finish_frame_handler, output);
> +
> + output->base.origin = output->base.current;
> + output->base.repaint = rdp_output_repaint;
> + output->base.destroy = rdp_output_destroy;
> + output->base.assign_planes = NULL;
> + output->base.set_backlight = NULL;
> + output->base.set_dpms = NULL;
> + output->base.switch_mode = rdp_switch_mode;
> + c->output = output;
> +
> + wl_list_insert(c->base.output_list.prev, &output->base.link);
> + return 0;
> +
> +out_shadow_surface:
> + pixman_image_unref(output->shadow_surface);
> +out_output:
> + weston_output_destroy(&output->base);
> +out_free_output_and_modes:
> + wl_list_for_each_safe(currentMode, next, &output->base.mode_list, link)
> + free(currentMode);
> +out_free_output:
> + free(output);
> + return -1;
> +}
> +
> +static void
> +rdp_restore(struct weston_compositor *ec)
> +{
> +}
> +
> +static void
> +rdp_destroy(struct weston_compositor *ec)
> +{
> + struct rdp_compositor *c = (struct rdp_compositor *) ec;
> +
> + weston_seat_release(&c->main_seat);
> +
> + ec->renderer->destroy(ec);
> + weston_compositor_shutdown(ec);
> +
> + free(ec);
> +}
> +
> +static
> +int rdp_listener_activity(int fd, uint32_t mask, void *data) {
> + freerdp_listener* instance = (freerdp_listener *)data;
> +
> + if (!(mask & WL_EVENT_READABLE))
> + return 0;
> + if (!instance->CheckFileDescriptor(instance))
> + {
> + weston_log("failed to check FreeRDP file descriptor\n");
> + return -1;
> + }
> + return 0;
> +}
> +
> +static
> +int rdp_implant_listener(struct rdp_compositor *c, freerdp_listener* instance) {
> + int i, fd;
> + int rcount = 0;
> + void* rfds[MAX_FREERDP_FDS];
> + struct wl_event_loop *loop;
> +
> + if (!instance->GetFileDescriptor(instance, rfds, &rcount)) {
> + weston_log("Failed to get FreeRDP file descriptor\n");
> + return -1;
> + }
> +
> + loop = wl_display_get_event_loop(c->base.wl_display);
> + for (i = 0; i < rcount; i++) {
> + fd = (int)(long)(rfds[i]);
> + c->listener_events[i] = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
> + rdp_listener_activity, instance);
> + }
> +
> + for( ; i < MAX_FREERDP_FDS; i++)
> + c->listener_events[i] = 0;
> + return 0;
> +}
> +
> +
> +static void
> +rdp_peer_context_new(freerdp_peer* client, RdpPeerContext* context)
> +{
> + context->item.peer = client;
> + context->item.flags = 0;
> +
> + context->rfx_context = rfx_context_new();
> + context->rfx_context->mode = RLGR3;
> + context->rfx_context->width = client->settings->DesktopWidth;
> + context->rfx_context->height = client->settings->DesktopHeight;
> + rfx_context_set_pixel_format(context->rfx_context, RDP_PIXEL_FORMAT_B8G8R8A8);
> +
> + context->nsc_context = nsc_context_new();
> + rfx_context_set_pixel_format(context->rfx_context, RDP_PIXEL_FORMAT_B8G8R8A8);
> +
> + context->encode_stream = stream_new(65536);
> +}
> +
> +static void
> +rdp_peer_context_free(freerdp_peer* client, RdpPeerContext* context)
> +{
> + int i;
> + if(!context)
> + return;
> +
> + wl_list_remove(&context->item.link);
> + for(i = 0; i < MAX_FREERDP_FDS; i++) {
> + if(context->fds[i] != -1)
> + wl_event_source_remove(context->events[i]);
> + }
> +
> + if(context->item.flags & RDP_PEER_ACTIVATED)
> + weston_seat_release(&context->item.seat);
> + stream_free(context->encode_stream);
> + nsc_context_free(context->nsc_context);
> + rfx_context_free(context->rfx_context);
> + free(context->rfx_rects);
> +}
> +
> +
> +static int
> +rdp_client_activity(int fd, uint32_t mask, void *data) {
> + freerdp_peer* client = (freerdp_peer *)data;
> +
> + if (!client->CheckFileDescriptor(client)) {
> + weston_log("unable to checkDescriptor for %p\n", client);
> + goto out_clean;
> + }
> + return 0;
> +
> +out_clean:
> + freerdp_peer_context_free(client);
> + freerdp_peer_free(client);
> + return 0;
> +}
> +
> +static BOOL
> +xf_peer_capabilities(freerdp_peer* client)
> +{
> + return TRUE;
> +}
> +
> +struct rdp_to_xkb_keyboard_layout {
> + UINT32 rdpLayoutCode;
> + char *xkbLayout;
> +};
> +
> +/* picked from http://technet.microsoft.com/en-us/library/cc766503(WS.10).aspx */
> +static struct rdp_to_xkb_keyboard_layout rdp_keyboards[] = {
> + {0x00000406, "dk"},
> + {0x00000407, "de"},
> + {0x00000409, "us"},
> + {0x0000040c, "fr"},
> + {0x00000410, "it"},
> + {0x00000813, "be"},
> + {0x00000000, 0},
> +};
> +
> +/* taken from 2.2.7.1.6 Input Capability Set (TS_INPUT_CAPABILITYSET) */
> +static char *rdp_keyboard_types[] = {
> + "", /* 0: unused */
> + "", /* 1: IBM PC/XT or compatible (83-key) keyboard */
> + "", /* 2: Olivetti "ICO" (102-key) keyboard */
> + "", /* 3: IBM PC/AT (84-key) or similar keyboard */
> + "pc102",/* 4: IBM enhanced (101- or 102-key) keyboard */
> + "", /* 5: Nokia 1050 and similar keyboards */
> + "", /* 6: Nokia 9140 and similar keyboards */
> + "" /* 7: Japanese keyboard */
> +};
> +
> +static BOOL
> +xf_peer_post_connect(freerdp_peer* client)
> +{
> + RdpPeerContext *peerCtx;
> + struct rdp_compositor *c;
> + struct rdp_output *output;
> + rdpSettings *settings;
> + struct xkb_context *xkbContext;
> + struct xkb_rule_names xkbRuleNames;
> + struct xkb_keymap *keymap;
> + int i;
> +
> +
> + peerCtx = (RdpPeerContext *)client->context;
> + c = peerCtx->rdpCompositor;
> + output = c->output;
> + settings = client->settings;
> +
> + if(!settings->SurfaceCommandsEnabled) {
> + weston_log("client doesn't support required SurfaceCommands\n");
> + return FALSE;
> + }
> +
> + if(output->base.width != (int)settings->DesktopWidth ||
> + output->base.height != (int)settings->DesktopHeight)
> + {
> + if(!settings->DesktopResize) {
> + weston_log("client don't support desktopResize()\n");
> + return FALSE;
> + }
> +
> + /* force the client size */
> + settings->DesktopWidth = output->base.width;
> + settings->DesktopHeight = output->base.height;
> + client->update->DesktopResize(client->context);
> + }
> +
> + weston_log("kbd_layout:%x kbd_type:%x kbd_subType:%x kbd_functionKeys:%x\n",
> + settings->KeyboardLayout, settings->KeyboardType, settings->KeyboardSubType,
> + settings->KeyboardFunctionKey);
> +
> + memset(&xkbRuleNames, 0, sizeof(xkbRuleNames));
> + if(settings->KeyboardType <= 7)
> + xkbRuleNames.model = rdp_keyboard_types[settings->KeyboardType];
> + for(i = 0; rdp_keyboards[i].xkbLayout; i++) {
> + if(rdp_keyboards[i].rdpLayoutCode == settings->KeyboardLayout) {
> + xkbRuleNames.layout = rdp_keyboards[i].xkbLayout;
> + break;
> + }
> + }
> +
> + keymap = NULL;
> + if(xkbRuleNames.layout) {
> + xkbContext = xkb_context_new(0);
> + if(!xkbContext) {
> + weston_log("unable to create a xkb_context\n");
> + return FALSE;
> + }
> +
> + keymap = xkb_keymap_new_from_names(xkbContext, &xkbRuleNames, 0);
> + }
> + weston_seat_init_keyboard(&peerCtx->item.seat, keymap);
> + weston_seat_init_pointer(&peerCtx->item.seat);
> +
> + peerCtx->item.flags |= RDP_PEER_ACTIVATED;
> + return TRUE;
> +}
> +
> +static BOOL
> +xf_peer_activate(freerdp_peer *client)
> +{
> + return TRUE;
> +}
> +
> +static void
> +xf_mouseEvent(rdpInput *input, UINT16 flags, UINT16 x, UINT16 y) {
> + wl_fixed_t wl_x, wl_y;
> + RdpPeerContext *peerContext = (RdpPeerContext *)input->context;
> + struct rdp_output *output;
> + uint32_t button = 0;
> +
> + if (flags & PTR_FLAGS_MOVE) {
> + output = peerContext->rdpCompositor->output;
> + if(x < output->base.width && y < output->base.height) {
> + wl_x = wl_fixed_from_int((int)x);
> + wl_y = wl_fixed_from_int((int)y);
> + notify_motion_absolute(&peerContext->item.seat, weston_compositor_get_time(),
> + wl_x, wl_y);
> + }
> + }
> +
> + if (flags & PTR_FLAGS_BUTTON1)
> + button = BTN_LEFT;
> + else if (flags & PTR_FLAGS_BUTTON2)
> + button = BTN_RIGHT;
> + else if (flags & PTR_FLAGS_BUTTON3)
> + button = BTN_MIDDLE;
> +
> + if(button) {
> + notify_button(&peerContext->item.seat, weston_compositor_get_time(), button,
> + (flags & PTR_FLAGS_DOWN) ? WL_POINTER_BUTTON_STATE_PRESSED : WL_POINTER_BUTTON_STATE_RELEASED
> + );
> + }
> +}
> +
> +static void
> +xf_extendedMouseEvent(rdpInput *input, UINT16 flags, UINT16 x, UINT16 y) {
> + wl_fixed_t wl_x, wl_y;
> + RdpPeerContext *peerContext = (RdpPeerContext *)input->context;
> + struct rdp_output *output;
> +
> + output = peerContext->rdpCompositor->output;
> + if(x < output->base.width && y < output->base.height) {
> + wl_x = wl_fixed_from_int((int)x);
> + wl_y = wl_fixed_from_int((int)y);
> + notify_motion_absolute(&peerContext->item.seat, weston_compositor_get_time(),
> + wl_x, wl_y);
> + }
> +}
> +
> +
> +static void
> +xf_input_synchronize_event(rdpInput *input, UINT32 flags)
> +{
> + freerdp_peer *client = input->context->peer;
> + rdpPointerUpdate *pointer = client->update->pointer;
> + RdpPeerContext *peerCtx = (RdpPeerContext *)input->context;
> + struct rdp_output *output = peerCtx->rdpCompositor->output;
> + pixman_box32_t box;
> + pixman_region32_t damage;
> +
> + /* disable pointer on the client side */
> + pointer->pointer_system.type = SYSPTR_NULL;
> + pointer->PointerSystem(client->context, &pointer->pointer_system);
> +
> + /* sends a full refresh */
> + box.x1 = 0;
> + box.y1 = 0;
> + box.x2 = output->base.width;
> + box.y2 = output->base.height;
> + pixman_region32_init_with_extents(&damage, &box);
> +
> + rdp_peer_refresh_region(&damage, client);
> +
> + pixman_region32_fini(&damage);
> +}
> +
> +static void
> +xf_input_keyboard_event(rdpInput *input, UINT16 flags, UINT16 code)
> +{
> + enum wl_keyboard_key_state keyState;
> + RdpPeerContext *peerContext = (RdpPeerContext *)input->context;
> + int notify = 0;
> +
> + if (flags & KBD_FLAGS_DOWN) {
> + keyState = WL_KEYBOARD_KEY_STATE_PRESSED;
> + notify = 1;
> + } else if (flags & KBD_FLAGS_RELEASE) {
> + keyState = WL_KEYBOARD_KEY_STATE_RELEASED;
> + notify = 1;
> + }
> +
> + if(notify)
> + notify_key(&peerContext->item.seat, weston_compositor_get_time(),
> + code, keyState, STATE_UPDATE_AUTOMATIC);
> +}
> +
> +static void
> +xf_input_unicode_keyboard_event(rdpInput *input, UINT16 flags, UINT16 code)
> +{
> + weston_log("Client sent a unicode keyboard event (flags:0x%X code:0x%X)\n", flags, code);
> +}
> +
> +
> +static void
> +xf_suppress_output(rdpContext *context, BYTE allow, RECTANGLE_16 *area) {
> + RdpPeerContext *peerContext = (RdpPeerContext *)context;
> + if(allow)
> + peerContext->item.flags |= RDP_PEER_OUTPUT_ENABLED;
> + else
> + peerContext->item.flags &= (~RDP_PEER_OUTPUT_ENABLED);
> +}
> +
> +static int
> +rdp_peer_init(freerdp_peer *client, struct rdp_compositor *c)
> +{
> + int rcount = 0;
> + void *rfds[MAX_FREERDP_FDS];
> + int i, fd;
> + struct wl_event_loop *loop;
> + rdpSettings *settings;
> + rdpInput *input;
> + RdpPeerContext *peerCtx;
> +
> + client->context_size = sizeof(RdpPeerContext);
> + client->ContextNew = (psPeerContextNew)rdp_peer_context_new;
> + client->ContextFree = (psPeerContextFree)rdp_peer_context_free;
> + freerdp_peer_context_new(client);
> +
> + peerCtx = (RdpPeerContext *) client->context;
> + peerCtx->rdpCompositor = c;
> +
> + settings = client->settings;
> + settings->RdpKeyFile = c->rdp_key;
> + if(c->tls_enabled) {
> + settings->CertificateFile = c->server_cert;
> + settings->PrivateKeyFile = c->server_key;
> + } else {
> + settings->TlsSecurity = FALSE;
> + }
> +
> + settings->NlaSecurity = FALSE;
> +
> + client->Capabilities = xf_peer_capabilities;
> + client->PostConnect = xf_peer_post_connect;
> + client->Activate = xf_peer_activate;
> +
> + client->update->SuppressOutput = xf_suppress_output;
> +
> + input = client->input;
> + input->SynchronizeEvent = xf_input_synchronize_event;
> + input->MouseEvent = xf_mouseEvent;
> + input->ExtendedMouseEvent = xf_extendedMouseEvent;
> + input->KeyboardEvent = xf_input_keyboard_event;
> + input->UnicodeKeyboardEvent = xf_input_unicode_keyboard_event;
> + weston_seat_init(&peerCtx->item.seat, &c->base);
> +
> + client->Initialize(client);
> +
> + if (!client->GetFileDescriptor(client, rfds, &rcount)) {
> + weston_log("unable to retrieve client fds\n");
> + return -1;
> + }
> +
> + loop = wl_display_get_event_loop(c->base.wl_display);
> + for(i = 0; i < rcount; i++) {
> + fd = (int)(long)(rfds[i]);
> +
> + peerCtx->fds[i] = fd;
> + peerCtx->events[i] = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
> + rdp_client_activity, client);
> + }
> + for( ; i < MAX_FREERDP_FDS; i++) {
> + peerCtx->fds[i] = -1;
> + peerCtx->events[i] = 0;
> + }
> +
> + wl_list_insert(&c->output->peers, &peerCtx->item.link);
> + return 0;
> +}
> +
> +
> +static void
> +rdp_incoming_peer(freerdp_listener *instance, freerdp_peer *client)
> +{
> + struct rdp_compositor *c = (struct rdp_compositor *)instance->param4;
> + if (rdp_peer_init(client, c) < 0)
> + return;
> +}
> +
> +static struct weston_compositor *
> +rdp_compositor_create(struct wl_display *display,
> + struct rdp_compositor_config *config,
> + int *argc, char *argv[], const char *config_file)
> +{
> + struct rdp_compositor *c;
> + char *fd_str;
> + int fd;
> +
> + c = malloc(sizeof *c);
> + if (c == NULL)
> + return NULL;
> +
> + memset(c, 0, sizeof *c);
> +
> + if (weston_compositor_init(&c->base, display, argc, argv,
> + config_file) < 0)
> + goto err_free;
> +
> + weston_seat_init(&c->main_seat, &c->base);
> + c->base.destroy = rdp_destroy;
> + c->base.restore = rdp_restore;
> + c->rdp_key = config->rdp_key ? strdup(config->rdp_key) : NULL;
> +
> + /* activate TLS only if certificate/key are available */
> + if(config->server_cert && config->server_key) {
> + weston_log("TLS support activated\n");
> + c->server_cert = strdup(config->server_cert);
> + c->server_key = strdup(config->server_key);
> + if(!c->server_cert || !c->server_key)
> + goto err_free_strings;
> + c->tls_enabled = 1;
> + }
> +
> + if (pixman_renderer_init(&c->base) < 0)
> + goto err_compositor;
> +
> + if (rdp_compositor_create_output(c, config->width, config->height, config->extra_modes) < 0)
> + goto err_compositor;
> +
> + if(!config->env_socket) {
> + c->listener = freerdp_listener_new();
> + c->listener->PeerAccepted = rdp_incoming_peer;
> + c->listener->param4 = c;
> + if(!c->listener->Open(c->listener, config->bind_address, config->port)) {
> + weston_log("unable to bind rdp socket\n");
> + goto err_listener;
> + }
> +
> + if (rdp_implant_listener(c, c->listener) < 0)
> + goto err_compositor;
> + } else {
> + /* get the socket from RDP_FD var */
> + fd_str = getenv("RDP_FD");
> + if(!fd_str) {
> + weston_log("RDP_FD env variable not set");
> + goto err_output;
> + }
> +
> + fd = strtoul(fd_str, NULL, 10);
> + if(rdp_peer_init(freerdp_peer_new(fd), c))
> + goto err_output;
> + }
> +
> + return &c->base;
> +
> +err_listener:
> + freerdp_listener_free(c->listener);
> +err_output:
> + weston_output_destroy(&c->output->base);
> +err_compositor:
> + weston_compositor_shutdown(&c->base);
> +err_free_strings:
> + if(c->rdp_key)
> + free(c->rdp_key);
> + if(c->server_cert)
> + free(c->server_cert);
> + if(c->server_key)
> + free(c->server_key);
> + weston_seat_release(&c->main_seat);
> +err_free:
> + free(c);
> + return NULL;
> +}
> +
> +WL_EXPORT struct weston_compositor *
> +backend_init(struct wl_display *display, int *argc, char *argv[],
> + const char *config_file)
> +{
> + struct rdp_compositor_config config;
> + rdp_compositor_config_init(&config);
> + int major, minor, revision;
> +
> + freerdp_get_version(&major, &minor, &revision);
> + weston_log("using FreeRDP version %d.%d.%d\n", major, minor, revision);
> +
> + const struct weston_option rdp_options[] = {
> + { WESTON_OPTION_BOOLEAN, "env-socket", 0, &config.env_socket },
> + { WESTON_OPTION_INTEGER, "width", 0, &config.width },
> + { WESTON_OPTION_INTEGER, "height", 0, &config.height },
> + { WESTON_OPTION_STRING, "extra-modes", 0, &config.extra_modes },
> + { WESTON_OPTION_STRING, "address", 0, &config.bind_address },
> + { WESTON_OPTION_INTEGER, "port", 0, &config.port },
> + { WESTON_OPTION_STRING, "rdp4-key", 0, &config.rdp_key },
> + { WESTON_OPTION_STRING, "rdp-tls-cert", 0, &config.server_cert },
> + { WESTON_OPTION_STRING, "rdp-tls-key", 0, &config.server_key }
> + };
> +
> + parse_options(rdp_options, ARRAY_LENGTH(rdp_options), argc, argv);
> + return rdp_compositor_create(display, &config, argc, argv, config_file);
> +}
> --
> 1.7.10.4
>
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