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authorGerd Hoffmann <kraxel@redhat.com>2010-06-30 22:19:12 +0200
committerAlexander Larsson <alexl@redhat.com>2010-07-02 16:47:51 +0200
commit3764a3647224a5e9dde021828d3b17fe5fc9fdeb (patch)
tree7ed113c9743447bcd43d03bc2df388f4864ef996
parent7e0099e18e98452d909d76997258ed0f44cf9a19 (diff)
Properly parse and marshall SpiceString
-rw-r--r--common/canvas_base.c23
-rw-r--r--python_modules/demarshal.py44
-rw-r--r--python_modules/marshal.py20
-rw-r--r--python_modules/ptypes.py8
-rw-r--r--server/red_parse_qxl.c87
-rw-r--r--server/red_worker.c66
-rw-r--r--spice.proto10
-rw-r--r--spice1.proto8
8 files changed, 159 insertions, 107 deletions
diff --git a/common/canvas_base.c b/common/canvas_base.c
index 319c4fd..53d13f2 100644
--- a/common/canvas_base.c
+++ b/common/canvas_base.c
@@ -1591,12 +1591,6 @@ static pixman_image_t *canvas_get_mask(CanvasBase *canvas, SpiceQMask *mask, int
return surface;
}
-static inline SpiceRasterGlyph *canvas_next_raster_glyph(const SpiceRasterGlyph *glyph, int bpp)
-{
- return (SpiceRasterGlyph *)((uint8_t *)(glyph + 1) +
- (SPICE_ALIGN(glyph->width * bpp, 8) * glyph->height >> 3));
-}
-
static inline void canvas_raster_glyph_box(const SpiceRasterGlyph *glyph, SpiceRect *r)
{
ASSERT(r);
@@ -1742,8 +1736,7 @@ static void canvas_put_glyph_bits(SpiceRasterGlyph *glyph, int bpp, uint8_t *des
static pixman_image_t *canvas_get_str_mask(CanvasBase *canvas, SpiceString *str, int bpp, SpicePoint *pos)
{
- SpiceRasterGlyph *glyph = (SpiceRasterGlyph *)str->data;
- SpiceRasterGlyph *next_glyph;
+ SpiceRasterGlyph *glyph;
SpiceRect bounds;
pixman_image_t *str_mask;
uint8_t *dest;
@@ -1752,15 +1745,13 @@ static pixman_image_t *canvas_get_str_mask(CanvasBase *canvas, SpiceString *str,
ASSERT(str->length > 0);
- next_glyph = canvas_next_raster_glyph(glyph, bpp);
+ glyph = str->glyphs[0];
canvas_raster_glyph_box(glyph, &bounds);
for (i = 1; i < str->length; i++) {
SpiceRect glyph_box;
- glyph = next_glyph;
- next_glyph = canvas_next_raster_glyph(glyph, bpp);
- canvas_raster_glyph_box(glyph, &glyph_box);
+ canvas_raster_glyph_box(str->glyphs[i], &glyph_box);
rect_union(&bounds, &glyph_box);
}
@@ -1772,15 +1763,14 @@ static pixman_image_t *canvas_get_str_mask(CanvasBase *canvas, SpiceString *str,
}
dest = (uint8_t *)pixman_image_get_data(str_mask);
dest_stride = pixman_image_get_stride(str_mask);
- glyph = (SpiceRasterGlyph *)str->data;
for (i = 0; i < str->length; i++) {
+ glyph = str->glyphs[i];
#if defined(GL_CANVAS)
canvas_put_glyph_bits(glyph, bpp, dest + (bounds.bottom - bounds.top - 1) * dest_stride,
-dest_stride, &bounds);
#else
canvas_put_glyph_bits(glyph, bpp, dest, dest_stride, &bounds);
#endif
- glyph = canvas_next_raster_glyph(glyph, bpp);
}
pos->x = bounds.left;
@@ -1788,11 +1778,6 @@ static pixman_image_t *canvas_get_str_mask(CanvasBase *canvas, SpiceString *str,
return str_mask;
}
-static inline SpiceVectorGlyph *canvas_next_vector_glyph(const SpiceVectorGlyph *glyph)
-{
- return (SpiceVectorGlyph *)((uint8_t *)(glyph + 1) + glyph->data_size);
-}
-
static pixman_image_t *canvas_scale_surface(pixman_image_t *src, const SpiceRect *src_area, int width,
int height, int scale_mode)
{
diff --git a/python_modules/demarshal.py b/python_modules/demarshal.py
index 023c3f6..4d3e79b 100644
--- a/python_modules/demarshal.py
+++ b/python_modules/demarshal.py
@@ -125,7 +125,7 @@ def write_validate_switch_member(writer, container, switch_member, scope, parent
item.subprefix = item.prefix + "_" + m.name
item.non_null = c.member.has_attr("nonnull")
sub_want_extra_size = want_extra_size
- if sub_want_extra_size and not m.contains_extra_size():
+ if sub_want_extra_size and not m.contains_extra_size() and not m.is_extra_size():
writer.assign(item.extra_size(), 0)
sub_want_extra_size = False
@@ -309,10 +309,13 @@ def write_validate_array_item(writer, container, item, scope, parent_scope, star
if element_type.is_fixed_sizeof() and want_mem_size and not is_byte_size:
# TODO: Overflow check the multiplication
- writer.assign(mem_size, "%s * %s" % (element_type.sizeof(), nelements))
+ if array.ptr_array:
+ writer.assign(mem_size, "sizeof(void *) + SPICE_ALIGN(%s * %s, 4)" % (element_type.sizeof(), nelements))
+ else:
+ writer.assign(mem_size, "%s * %s" % (element_type.sizeof(), nelements))
want_mem_size = False
- if not element_type.contains_extra_size() and want_extra_size:
+ if not element_type.contains_extra_size() and not array.is_extra_size() and want_extra_size:
writer.assign(extra_size, 0)
want_extra_size = False
@@ -329,14 +332,24 @@ def write_validate_array_item(writer, container, item, scope, parent_scope, star
element_nw_size = element_item.nw_size()
element_mem_size = element_item.mem_size()
+ element_extra_size = element_item.extra_size()
scope.variable_def("uint32_t", element_nw_size)
scope.variable_def("uint32_t", element_mem_size)
+ want_is_extra_size = False
+ want_element_mem_size = want_mem_size
+ if want_extra_size:
+ if array.is_extra_size():
+ want_is_extra_size = True
+ want_extra_size = False
+ want_element_mem_size = True
+ else:
+ scope.variable_def("uint32_t", element_extra_size)
if want_nw_size:
writer.assign(nw_size, 0)
if want_mem_size:
writer.assign(mem_size, 0)
- if want_extra_size:
+ if want_extra_size or want_is_extra_size:
writer.assign(extra_size, 0)
want_element_nw_size = want_nw_size
@@ -352,13 +365,19 @@ def write_validate_array_item(writer, container, item, scope, parent_scope, star
with writer.index(no_block = is_byte_size) as index:
with writer.while_loop("%s < %s" % (start2, start2_end) ) if is_byte_size else writer.for_loop(index, nelements) as scope:
write_validate_item(writer, container, element_item, scope, parent_scope, start2,
- want_element_nw_size, want_mem_size, want_extra_size)
+ want_element_nw_size, want_element_mem_size, want_extra_size)
if want_nw_size:
writer.increment(nw_size, element_nw_size)
if want_mem_size:
- writer.increment(mem_size, element_mem_size)
- if want_extra_size:
+ if not array.is_extra_size():
+ writer.increment(mem_size, element_mem_size)
+ if want_is_extra_size:
+ if array.ptr_array:
+ writer.increment(extra_size, "sizeof(void *) + SPICE_ALIGN(%s, 4)" % element_mem_size)
+ else:
+ writer.increment(extra_size, "%s + %s" % (element_mem_size, element_extra_size))
+ elif want_extra_size:
writer.increment(extra_size, element_extra_size)
writer.increment(start2, start_increment)
@@ -722,8 +741,16 @@ def write_array_parser(writer, nelements, array, dest, scope):
scope.variable_def("uint32_t", real_nelements)
writer.assign("array_end", "end + %s" % nelements)
writer.assign(real_nelements, 0)
+ if array.ptr_array:
+ scope.variable_def("void **", "ptr_array")
+ scope.variable_def("int", "ptr_array_index")
+ writer.assign("ptr_array_index", 0)
+ writer.assign("ptr_array", "(void **)end")
+ writer.increment("end", "sizeof(void *) * %s" % nelements)
with writer.index(no_block = is_byte_size) as index:
with writer.while_loop("end < array_end") if is_byte_size else writer.for_loop(index, nelements) as array_scope:
+ if array.ptr_array:
+ writer.statement("ptr_array[ptr_array_index++] = end")
if is_byte_size:
writer.increment(real_nelements, 1)
if element_type.is_primitive():
@@ -733,6 +760,9 @@ def write_array_parser(writer, nelements, array, dest, scope):
dest2 = dest.child_at_end(writer, element_type)
dest2.reuse_scope = array_scope
write_container_parser(writer, element_type, dest2)
+ if array.ptr_array:
+ writer.comment("Align ptr_array element to 4 bytes").newline()
+ writer.assign("end", "(uint8_t *)SPICE_ALIGN((size_t)end, 4)")
if is_byte_size:
writer.assign(dest.get_ref(array.size[2]), real_nelements)
diff --git a/python_modules/marshal.py b/python_modules/marshal.py
index da9b0d8..95413fc 100644
--- a/python_modules/marshal.py
+++ b/python_modules/marshal.py
@@ -50,6 +50,7 @@ class RootMarshallingSource(MarshallingSource):
self.c_type = c_type
self.sizeof = sizeof
self.pointer = pointer # None == at "end"
+ self.update_end = False
def get_self_ref(self):
return self.base_var
@@ -70,6 +71,8 @@ class RootMarshallingSource(MarshallingSource):
if self.pointer:
writer.assign(self.base_var, "(%s *)%s" % (self.c_type, self.pointer))
+ if self.update_end:
+ writer.assign("end", "((uint8_t *)%s) + %s" % (self.base_var, self.sizeof))
else:
writer.assign(self.base_var, "(%s *)end" % self.c_type)
writer.increment("end", "%s" % self.sizeof)
@@ -182,8 +185,18 @@ def write_array_marshaller(writer, at_end, member, array, container_src, scope):
element = "%s__element" % member.name
+ if not scope.variable_defined(element):
+ if array.ptr_array:
+ stars = " **"
+ else:
+ stars = " *"
+ scope.variable_def(element_type.c_type() + stars, element)
+ element_array = element
+ if array.ptr_array:
+ element = "*" + element
+
if not at_end:
- writer.assign(element, container_src.get_ref(member.name))
+ writer.assign(element_array, container_src.get_ref(member.name))
if is_byte_size:
size_start_var = "%s__size_start" % member.name
@@ -192,7 +205,6 @@ def write_array_marshaller(writer, at_end, member, array, container_src, scope):
with writer.index() as index:
with writer.for_loop(index, nelements) as array_scope:
- array_scope.variable_def(element_type.c_type() + " *", element)
if at_end:
writer.assign(element, "(%s *)end" % element_type.c_type())
writer.increment("end", element_type.sizeof())
@@ -201,13 +213,15 @@ def write_array_marshaller(writer, at_end, member, array, container_src, scope):
writer.statement("spice_marshaller_add_%s(m, *%s)" % (element_type.primitive_type(), element))
elif element_type.is_struct():
src2 = RootMarshallingSource(container_src, element_type.c_type(), element_type.sizeof(), element)
+ if array.is_extra_size():
+ src2.update_end = True
src2.reuse_scope = array_scope
write_container_marshaller(writer, element_type, src2)
else:
writer.todo("array element unhandled type").newline()
if not at_end:
- writer.statement("%s++" % element)
+ writer.statement("%s++" % element_array)
if is_byte_size:
size_var = member.container.lookup_member(array.size[1])
diff --git a/python_modules/ptypes.py b/python_modules/ptypes.py
index b7bcac9..055034e 100644
--- a/python_modules/ptypes.py
+++ b/python_modules/ptypes.py
@@ -353,6 +353,7 @@ class ArrayType(Type):
self.element_type = element_type
self.size = size
+ self.ptr_array = False
def __str__(self):
if self.size == None:
@@ -414,6 +415,9 @@ class ArrayType(Type):
return []
raise Exception, "Pointer names in arrays not supported"
+ def is_extra_size(self):
+ return self.ptr_array
+
def contains_extra_size(self):
return self.element_type.contains_extra_size()
@@ -512,6 +516,8 @@ class Member(Containee):
self.member_type.register()
if self.has_attr("ptr32") and self.member_type.is_pointer():
self.member_type.set_ptr_size(4)
+ if self.has_attr("ptr_array") and self.member_type.is_array():
+ self.member_type.ptr_array = True
return self
def is_primitive(self):
@@ -523,7 +529,7 @@ class Member(Containee):
return self.member_type.is_fixed_sizeof()
def is_extra_size(self):
- return self.has_end_attr()
+ return self.has_end_attr() or self.member_type.is_extra_size()
def is_fixed_nw_size(self):
if self.has_attr("virtual"):
diff --git a/server/red_parse_qxl.c b/server/red_parse_qxl.c
index 3530de1..d38cad7 100644
--- a/server/red_parse_qxl.c
+++ b/server/red_parse_qxl.c
@@ -375,10 +375,85 @@ static void red_put_stroke_ptr(SpiceStroke *red)
free(red->path);
}
+static SpiceString *red_get_string(RedMemSlotInfo *slots, int group_id,
+ SPICE_ADDRESS addr)
+{
+ RedDataChunk chunks;
+ QXLString *qxl;
+ QXLRasterGlyph *start, *end;
+ SpiceString *red;
+ SpiceRasterGlyph *glyph;
+ uint8_t *data;
+ bool free_data;
+ size_t chunk_size, qxl_size, red_size, glyph_size;
+ int glyphs, bpp = 0, i;
+
+ qxl = (QXLString *)get_virt(slots, addr, sizeof(*qxl), group_id);
+ chunk_size = red_get_data_chunks_ptr(slots, group_id,
+ get_memslot_id(slots, addr),
+ &chunks, &qxl->chunk);
+ data = red_linearize_chunk(&chunks, chunk_size, &free_data);
+ red_put_data_chunks(&chunks);
+
+ qxl_size = qxl->data_size;
+ ASSERT(chunk_size == qxl_size);
+
+ if (qxl->flags & SPICE_STRING_FLAGS_RASTER_A1) {
+ bpp = 1;
+ } else if (qxl->flags & SPICE_STRING_FLAGS_RASTER_A4) {
+ bpp = 4;
+ } else if (qxl->flags & SPICE_STRING_FLAGS_RASTER_A8) {
+ bpp = 8;
+ }
+ ASSERT(bpp != 0);
+
+ start = (QXLRasterGlyph*)data;
+ end = (QXLRasterGlyph*)(data + chunk_size);
+ red_size = sizeof(SpiceString);
+ glyphs = 0;
+ while (start < end) {
+ ASSERT((QXLRasterGlyph*)(&start->data[0]) <= end);
+ glyphs++;
+ glyph_size = start->height * ((start->width * bpp + 7) / 8);
+ red_size += sizeof(SpiceRasterGlyph *) + SPICE_ALIGN(sizeof(SpiceRasterGlyph) + glyph_size, 4);
+ start = (QXLRasterGlyph*)(&start->data[glyph_size]);
+ }
+ ASSERT(start <= end);
+ ASSERT(glyphs == qxl->length);
+
+ red = spice_malloc(red_size);
+ red->length = qxl->length;
+ red->flags = qxl->flags;
+
+ start = (QXLRasterGlyph*)data;
+ end = (QXLRasterGlyph*)(data + chunk_size);
+ glyph = (SpiceRasterGlyph *)&red->glyphs[red->length];
+ for (i = 0; i < red->length; i++) {
+ ASSERT((QXLRasterGlyph*)(&start->data[0]) <= end);
+ red->glyphs[i] = glyph;
+ glyph->width = start->width;
+ glyph->height = start->height;
+ red_get_point_ptr(&glyph->render_pos, &start->render_pos);
+ red_get_point_ptr(&glyph->glyph_origin, &start->glyph_origin);
+ glyph_size = glyph->height * ((glyph->width * bpp + 7) / 8);
+ ASSERT((QXLRasterGlyph*)(&start->data[glyph_size]) <= end);
+ memcpy(glyph->data, start->data, glyph_size);
+ start = (QXLRasterGlyph*)(&start->data[glyph_size]);
+ glyph = (SpiceRasterGlyph*)
+ (((uint8_t *)glyph) +
+ SPICE_ALIGN(sizeof(SpiceRasterGlyph) + glyph_size, 4));
+ }
+
+ if (free_data) {
+ free(data);
+ }
+ return red;
+}
+
static void red_get_text_ptr(RedMemSlotInfo *slots, int group_id,
- SpiceText *red, QXLText *qxl)
+ SpiceText *red, QXLText *qxl)
{
- red->str = qxl->str;
+ red->str = red_get_string(slots, group_id, qxl->str);
red_get_rect_ptr(&red->back_area, &qxl->back_area);
red_get_brush_ptr(slots, group_id, &red->fore_brush, &qxl->fore_brush);
red_get_brush_ptr(slots, group_id, &red->back_brush, &qxl->back_brush);
@@ -386,6 +461,11 @@ static void red_get_text_ptr(RedMemSlotInfo *slots, int group_id,
red->back_mode = qxl->back_mode;
}
+static void red_put_text_ptr(SpiceText *red)
+{
+ free(red->str);
+}
+
static void red_get_whiteness_ptr(RedMemSlotInfo *slots, int group_id,
SpiceWhiteness *red, QXLWhiteness *qxl)
{
@@ -568,6 +648,9 @@ void red_put_drawable(RedDrawable *red)
case QXL_DRAW_STROKE:
red_put_stroke_ptr(&red->u.stroke);
break;
+ case QXL_DRAW_TEXT:
+ red_put_text_ptr(&red->u.text);
+ break;
}
}
diff --git a/server/red_worker.c b/server/red_worker.c
index ee81fcf..ff0a049 100644
--- a/server/red_worker.c
+++ b/server/red_worker.c
@@ -3948,45 +3948,6 @@ static inline void red_process_surface(RedWorker *worker, RedSurfaceCmd *surface
free(surface);
}
-static void localize_str(RedWorker *worker, QXLPHYSICAL *in_str, uint32_t group_id)
-{
- QXLString *qxl_str = (QXLString *)get_virt(&worker->mem_slots, *in_str, sizeof(QXLString), group_id);
- QXLDataChunk *chunk;
- SpiceString *str;
- uint8_t *dest;
- uint32_t data_size;
- int memslot_id = get_memslot_id(&worker->mem_slots, *in_str);
-
- ASSERT(in_str);
- str = spice_malloc_n_m(1, qxl_str->data_size, sizeof(uint32_t));
- *in_str = (QXLPHYSICAL)str;
- str->length = qxl_str->length;
- str->flags = qxl_str->flags;
- dest = str->data;
- chunk = &qxl_str->chunk;
- for (;;) {
- QXLPHYSICAL next_chunk;
-
- data_size = chunk->data_size;
- validate_virt(&worker->mem_slots, (unsigned long)chunk->data, memslot_id, data_size, group_id);
- memcpy(dest, chunk->data, data_size);
- if (!chunk->next_chunk) {
- return;
- }
- dest += data_size;
- next_chunk = chunk->next_chunk;
- memslot_id = get_memslot_id(&worker->mem_slots, next_chunk);
- chunk = (QXLDataChunk *)get_virt(&worker->mem_slots, next_chunk, sizeof(QXLDataChunk), group_id);
- }
-}
-
-static void unlocalize_str(QXLPHYSICAL *str)
-{
- ASSERT(str && *str);
- free((void *)*str);
- *str = 0;
-}
-
static LocalImage *alloc_local_image(RedWorker *worker)
{
ASSERT(worker->local_images_pos < MAX_BITMAPS);
@@ -4450,10 +4411,8 @@ static void red_draw_qxl_drawable(RedWorker *worker, Drawable *drawable)
SpiceText text = drawable->red_drawable->u.text;
localize_brush(worker, &text.fore_brush, drawable->group_id);
localize_brush(worker, &text.back_brush, drawable->group_id);
- localize_str(worker, &text.str, drawable->group_id);
canvas->ops->draw_text(canvas, &drawable->red_drawable->bbox,
&clip, &text);
- unlocalize_str(&text.str);
unlocalize_brush(&text.back_brush);
unlocalize_brush(&text.fore_brush);
break;
@@ -5159,27 +5118,6 @@ static void add_buf_from_info(RedChannel *channel, SpiceMarshaller *m, AddBufInf
}
-static void fill_str(DisplayChannel *display_channel, SpiceMarshaller *m,
- QXLPHYSICAL in_str, uint32_t group_id)
-{
- RedWorker *worker;
- RedChannel *channel = &display_channel->base;
- int memslot_id;
- SpiceString string;
-
- worker = channel->worker;
-
- ASSERT(in_str);
- memslot_id = get_memslot_id(&worker->mem_slots, in_str);
- QXLString *str = (QXLString *)get_virt(&worker->mem_slots, in_str, sizeof(QXLString), group_id);
- string.length = str->length;
- string.flags = str->flags;
- spice_marshall_String(m, &string);
- /* TODO: This doesn't properly marshal the glyph data */
- marshaller_add_chunk(worker, m, &str->chunk,
- str->data_size, memslot_id, group_id);
-}
-
static inline void fill_rects_clip(SpiceMarshaller *m, SpiceClipRects *data)
{
int i;
@@ -8092,7 +8030,6 @@ static void red_send_qxl_draw_text(RedWorker *worker,
SpiceText text;
SpiceMarshaller *brush_pat_out;
SpiceMarshaller *back_brush_pat_out;
- SpiceMarshaller *str_out;
fill_base(display_channel, item);
@@ -8100,7 +8037,6 @@ static void red_send_qxl_draw_text(RedWorker *worker,
text = drawable->u.text;
spice_marshall_Text(channel->send_data.marshaller,
&text,
- &str_out,
&brush_pat_out,
&back_brush_pat_out);
@@ -8110,8 +8046,6 @@ static void red_send_qxl_draw_text(RedWorker *worker,
if (back_brush_pat_out) {
fill_bits(display_channel, back_brush_pat_out, text.back_brush.u.pattern.pat, item, FALSE);
}
-
- fill_str(display_channel, str_out, text.str, item->group_id);
}
static void red_lossy_send_qxl_draw_text(RedWorker *worker,
diff --git a/spice.proto b/spice.proto
index 7528208..8df1238 100644
--- a/spice.proto
+++ b/spice.proto
@@ -564,12 +564,12 @@ struct String {
string_flags flags; /* Special: Only one of a1/a4/a8 set */
switch (flags) {
case RASTER_A1:
- RasterGlyphA1 glyphs[length] @ctype(SpiceRasterGlyph);
+ RasterGlyphA1 glyphs[length] @ctype(SpiceRasterGlyph) @ptr_array;
case RASTER_A4:
- RasterGlyphA4 glyphs[length] @ctype(SpiceRasterGlyph);
+ RasterGlyphA4 glyphs[length] @ctype(SpiceRasterGlyph) @ptr_array;
case RASTER_A8:
- RasterGlyphA8 glyphs[length] @ctype(SpiceRasterGlyph);
- } u @end @nomarshal;
+ RasterGlyphA8 glyphs[length] @ctype(SpiceRasterGlyph) @ptr_array;
+ } u @anon;
};
channel DisplayChannel : BaseChannel {
@@ -727,7 +727,7 @@ channel DisplayChannel : BaseChannel {
message {
DisplayBase base;
struct Text {
- String *str;
+ String *str @marshall @nonnull;
Rect back_area;
Brush fore_brush @outvar(fore_brush);
Brush back_brush @outvar(back_brush);
diff --git a/spice1.proto b/spice1.proto
index c9a18d9..982f666 100644
--- a/spice1.proto
+++ b/spice1.proto
@@ -522,12 +522,12 @@ struct String {
string_flags flags; /* Special: Only one of a1/a4/a8 set */
switch (flags) {
case RASTER_A1:
- RasterGlyphA1 glyphs[length] @ctype(SpiceRasterGlyph);
+ RasterGlyphA1 glyphs[length] @ctype(SpiceRasterGlyph) @ptr_array;
case RASTER_A4:
- RasterGlyphA4 glyphs[length] @ctype(SpiceRasterGlyph);
+ RasterGlyphA4 glyphs[length] @ctype(SpiceRasterGlyph) @ptr_array;
case RASTER_A8:
- RasterGlyphA8 glyphs[length] @ctype(SpiceRasterGlyph);
- } u @end @nomarshal;
+ RasterGlyphA8 glyphs[length] @ctype(SpiceRasterGlyph) @ptr_array;
+ } u @anon;
};
channel DisplayChannel : BaseChannel {