[PATCH 09/10] Add DisplayChannelClientPrivate and CursorChannelPrivate structs

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These need to be introduced at the same time since cache-item.tmpl.c
assumes that both of these classes will have a cache in the same place:
either within the channel client struct itself or (now) within a priv
struct owned by the channel client.

This encapsulates private data and prepares for porting to GObject.
---
 server/cache-item.tmpl.c       |  38 +++++-----
 server/cursor-channel-client.c |  14 +++-
 server/dcc-private.h           |  10 ++-
 server/dcc-send.c              | 114 ++++++++++++++--------------
 server/dcc.c                   | 166 +++++++++++++++++++++--------------------
 5 files changed, 181 insertions(+), 161 deletions(-)

diff --git a/server/cache-item.tmpl.c b/server/cache-item.tmpl.c
index d1310a5..ce38a2a 100644
--- a/server/cache-item.tmpl.c
+++ b/server/cache-item.tmpl.c
@@ -46,12 +46,12 @@
 
 static RedCacheItem *FUNC_NAME(find)(CHANNELCLIENT *channel_client, uint64_t id)
 {
-    RedCacheItem *item = channel_client->CACHE_NAME[CACHE_HASH_KEY(id)];
+    RedCacheItem *item = channel_client->priv->CACHE_NAME[CACHE_HASH_KEY(id)];
 
     while (item) {
         if (item->id == id) {
             ring_remove(&item->u.cache_data.lru_link);
-            ring_add(&channel_client->VAR_NAME(lru), &item->u.cache_data.lru_link);
+            ring_add(&channel_client->priv->VAR_NAME(lru), &item->u.cache_data.lru_link);
             break;
         }
         item = item->u.cache_data.next;
@@ -64,7 +64,7 @@ static void FUNC_NAME(remove)(CHANNELCLIENT *channel_client, RedCacheItem *item)
     RedCacheItem **now;
     spice_assert(item);
 
-    now = &channel_client->CACHE_NAME[CACHE_HASH_KEY(item->id)];
+    now = &channel_client->priv->CACHE_NAME[CACHE_HASH_KEY(item->id)];
     for (;;) {
         spice_assert(*now);
         if (*now == item) {
@@ -74,8 +74,8 @@ static void FUNC_NAME(remove)(CHANNELCLIENT *channel_client, RedCacheItem *item)
         now = &(*now)->u.cache_data.next;
     }
     ring_remove(&item->u.cache_data.lru_link);
-    channel_client->VAR_NAME(items)--;
-    channel_client->VAR_NAME(available) += item->u.cache_data.size;
+    channel_client->priv->VAR_NAME(items)--;
+    channel_client->priv->VAR_NAME(available) += item->u.cache_data.size;
 
     red_pipe_item_init(&item->u.pipe_data, RED_PIPE_ITEM_TYPE_INVAL_ONE);
     red_channel_client_pipe_add_tail_and_push(&channel_client->base, &item->u.pipe_data); // for now
@@ -88,22 +88,22 @@ static int FUNC_NAME(add)(CHANNELCLIENT *channel_client, uint64_t id, size_t siz
 
     item = spice_new(RedCacheItem, 1);
 
-    channel_client->VAR_NAME(available) -= size;
+    channel_client->priv->VAR_NAME(available) -= size;
     verify(SPICE_OFFSETOF(RedCacheItem, u.cache_data.lru_link) == 0);
-    while (channel_client->VAR_NAME(available) < 0) {
-        RedCacheItem *tail = (RedCacheItem *)ring_get_tail(&channel_client->VAR_NAME(lru));
+    while (channel_client->priv->VAR_NAME(available) < 0) {
+        RedCacheItem *tail = (RedCacheItem *)ring_get_tail(&channel_client->priv->VAR_NAME(lru));
         if (!tail) {
-            channel_client->VAR_NAME(available) += size;
+            channel_client->priv->VAR_NAME(available) += size;
             free(item);
             return FALSE;
         }
         FUNC_NAME(remove)(channel_client, tail);
     }
-    ++channel_client->VAR_NAME(items);
-    item->u.cache_data.next = channel_client->CACHE_NAME[(key = CACHE_HASH_KEY(id))];
-    channel_client->CACHE_NAME[key] = item;
+    ++channel_client->priv->VAR_NAME(items);
+    item->u.cache_data.next = channel_client->priv->CACHE_NAME[(key = CACHE_HASH_KEY(id))];
+    channel_client->priv->CACHE_NAME[key] = item;
     ring_item_init(&item->u.cache_data.lru_link);
-    ring_add(&channel_client->VAR_NAME(lru), &item->u.cache_data.lru_link);
+    ring_add(&channel_client->priv->VAR_NAME(lru), &item->u.cache_data.lru_link);
     item->id = id;
     item->u.cache_data.size = size;
     return TRUE;
@@ -114,15 +114,15 @@ static void FUNC_NAME(reset)(CHANNELCLIENT *channel_client, long size)
     int i;
 
     for (i = 0; i < CACHE_HASH_SIZE; i++) {
-        while (channel_client->CACHE_NAME[i]) {
-            RedCacheItem *item = channel_client->CACHE_NAME[i];
-            channel_client->CACHE_NAME[i] = item->u.cache_data.next;
+        while (channel_client->priv->CACHE_NAME[i]) {
+            RedCacheItem *item = channel_client->priv->CACHE_NAME[i];
+            channel_client->priv->CACHE_NAME[i] = item->u.cache_data.next;
             free(item);
         }
     }
-    ring_init(&channel_client->VAR_NAME(lru));
-    channel_client->VAR_NAME(available) = size;
-    channel_client->VAR_NAME(items) = 0;
+    ring_init(&channel_client->priv->VAR_NAME(lru));
+    channel_client->priv->VAR_NAME(available) = size;
+    channel_client->priv->VAR_NAME(items) = 0;
 }
 
 
diff --git a/server/cursor-channel-client.c b/server/cursor-channel-client.c
index 8c26d43..dceb2d0 100644
--- a/server/cursor-channel-client.c
+++ b/server/cursor-channel-client.c
@@ -39,9 +39,16 @@ enum {
     RED_PIPE_ITEM_TYPE_INVAL_CURSOR_CACHE,
 };
 
-struct CursorChannelClient {
+typedef struct CursorChannelClientPrivate CursorChannelClientPrivate;
+struct CursorChannelClient
+{
     RedChannelClient base;
 
+    CursorChannelClientPrivate *priv;
+};
+
+struct CursorChannelClientPrivate
+{
     RedCacheItem *cursor_cache[CURSOR_CACHE_HASH_SIZE];
     Ring cursor_cache_lru;
     long cursor_cache_available;
@@ -99,10 +106,11 @@ CursorChannelClient* cursor_channel_client_new(CursorChannel *cursor, RedClient
                                                         num_caps,
                                                         caps);
     spice_return_val_if_fail(ccc != NULL, NULL);
+    ccc->priv = g_new0(CursorChannelClientPrivate, 1);
     COMMON_GRAPHICS_CHANNEL(cursor)->during_target_migrate = mig_target;
 
-    ring_init(&ccc->cursor_cache_lru);
-    ccc->cursor_cache_available = CLIENT_CURSOR_CACHE_SIZE;
+    ring_init(&ccc->priv->cursor_cache_lru);
+    ccc->priv->cursor_cache_available = CLIENT_CURSOR_CACHE_SIZE;
 
     return ccc;
 }
diff --git a/server/dcc-private.h b/server/dcc-private.h
index d5aad3f..1c8fe9a 100644
--- a/server/dcc-private.h
+++ b/server/dcc-private.h
@@ -24,9 +24,17 @@
 #include "stream.h"
 #include "red-channel-client.h"
 
-struct DisplayChannelClient {
+typedef struct DisplayChannelClientPrivate DisplayChannelClientPrivate;
+struct DisplayChannelClient
+{
     RedChannelClient base;
     int is_low_bandwidth;
+
+    DisplayChannelClientPrivate *priv;
+};
+
+struct DisplayChannelClientPrivate
+{
     uint32_t id;
     SpiceImageCompression image_compression;
     spice_wan_compression_t jpeg_state;
diff --git a/server/dcc-send.c b/server/dcc-send.c
index 032fb0f..d6b9b41 100644
--- a/server/dcc-send.c
+++ b/server/dcc-send.c
@@ -51,7 +51,7 @@ typedef struct BitmapData {
 
 static int dcc_pixmap_cache_unlocked_hit(DisplayChannelClient *dcc, uint64_t id, int *lossy)
 {
-    PixmapCache *cache = dcc->pixmap_cache;
+    PixmapCache *cache = dcc->priv->pixmap_cache;
     NewCacheItem *item;
     uint64_t serial;
 
@@ -62,9 +62,9 @@ static int dcc_pixmap_cache_unlocked_hit(DisplayChannelClient *dcc, uint64_t id,
         if (item->id == id) {
             ring_remove(&item->lru_link);
             ring_add(&cache->lru, &item->lru_link);
-            spice_assert(dcc->id < MAX_CACHE_CLIENTS);
-            item->sync[dcc->id] = serial;
-            cache->sync[dcc->id] = serial;
+            spice_assert(dcc->priv->id < MAX_CACHE_CLIENTS);
+            item->sync[dcc->priv->id] = serial;
+            cache->sync[dcc->priv->id] = serial;
             *lossy = item->lossy;
             break;
         }
@@ -77,7 +77,7 @@ static int dcc_pixmap_cache_unlocked_hit(DisplayChannelClient *dcc, uint64_t id,
 static int dcc_pixmap_cache_hit(DisplayChannelClient *dcc, uint64_t id, int *lossy)
 {
     int hit;
-    PixmapCache *cache = dcc->pixmap_cache;
+    PixmapCache *cache = dcc->priv->pixmap_cache;
 
     pthread_mutex_lock(&cache->lock);
     hit = dcc_pixmap_cache_unlocked_hit(dcc, id, lossy);
@@ -97,7 +97,7 @@ static int is_surface_area_lossy(DisplayChannelClient *dcc, uint32_t surface_id,
     spice_return_val_if_fail(validate_surface(display, surface_id), FALSE);
 
     surface = &display->surfaces[surface_id];
-    surface_lossy_region = &dcc->surface_client_lossy_region[surface_id];
+    surface_lossy_region = &dcc->priv->surface_client_lossy_region[surface_id];
 
     if (!area) {
         if (region_is_empty(surface_lossy_region)) {
@@ -207,7 +207,7 @@ static void red_display_add_image_to_pixmap_cache(RedChannelClient *rcc,
                                               image->descriptor.width * image->descriptor.height,
                                               is_lossy)) {
                 io_image->descriptor.flags |= SPICE_IMAGE_FLAGS_CACHE_ME;
-                dcc->send_data.pixmap_cache_items[dcc->send_data.num_pixmap_cache_items++] =
+                dcc->priv->send_data.pixmap_cache_items[dcc->priv->send_data.num_pixmap_cache_items++] =
                                                                                image->descriptor.id;
                 stat_inc_counter(reds, display_channel->add_to_cache_counter, 1);
             }
@@ -243,7 +243,7 @@ static void marshal_sub_msg_inval_list_wait(SpiceMarshaller *m,
 static void send_free_list_legacy(RedChannelClient *rcc)
 {
     DisplayChannelClient *dcc = RCC_TO_DCC(rcc);
-    FreeList *free_list = &dcc->send_data.free_list;
+    FreeList *free_list = &dcc->priv->send_data.free_list;
     SpiceMarshaller *marshaller;
     int sub_list_len = 1;
     SpiceMarshaller *wait_m = NULL;
@@ -274,7 +274,7 @@ static void send_free_list_legacy(RedChannelClient *rcc)
 static void send_free_list(RedChannelClient *rcc)
 {
     DisplayChannelClient *dcc = RCC_TO_DCC(rcc);
-    FreeList *free_list = &dcc->send_data.free_list;
+    FreeList *free_list = &dcc->priv->send_data.free_list;
     int sub_list_len = 1;
     SpiceMarshaller *urgent_marshaller;
     SpiceMarshaller *wait_m = NULL;
@@ -285,14 +285,14 @@ static void send_free_list(RedChannelClient *rcc)
     int i;
 
     urgent_marshaller = red_channel_client_switch_to_urgent_sender(rcc);
-    for (i = 0; i < dcc->send_data.num_pixmap_cache_items; i++) {
+    for (i = 0; i < dcc->priv->send_data.num_pixmap_cache_items; i++) {
         int dummy;
         /* When using the urgent marshaller, the serial number of the message that is
          * going to be sent right after the SPICE_MSG_LIST, is increased by one.
          * But all this message pixmaps cache references used its old serial.
          * we use pixmap_cache_items to collect these pixmaps, and we update their serial
          * by calling pixmap_cache_hit. */
-        dcc_pixmap_cache_hit(dcc, dcc->send_data.pixmap_cache_items[i], &dummy);
+        dcc_pixmap_cache_hit(dcc, dcc->priv->send_data.pixmap_cache_items[i], &dummy);
     }
 
     if (free_list->wait.header.wait_count) {
@@ -378,13 +378,13 @@ static FillBitsType fill_bits(DisplayChannelClient *dcc, SpiceMarshaller *m,
     if (simage->descriptor.flags & SPICE_IMAGE_FLAGS_HIGH_BITS_SET) {
         image.descriptor.flags = SPICE_IMAGE_FLAGS_HIGH_BITS_SET;
     }
-    pthread_mutex_lock(&dcc->pixmap_cache->lock);
+    pthread_mutex_lock(&dcc->priv->pixmap_cache->lock);
 
     if ((simage->descriptor.flags & SPICE_IMAGE_FLAGS_CACHE_ME)) {
         int lossy_cache_item;
         if (dcc_pixmap_cache_unlocked_hit(dcc, image.descriptor.id, &lossy_cache_item)) {
-            dcc->send_data.pixmap_cache_items[dcc->send_data.num_pixmap_cache_items++] =
-                                                                               image.descriptor.id;
+            dcc->priv->send_data.pixmap_cache_items[dcc->priv->send_data.num_pixmap_cache_items++] =
+                image.descriptor.id;
             if (can_lossy || !lossy_cache_item) {
                 if (!display->enable_jpeg || lossy_cache_item) {
                     image.descriptor.type = SPICE_IMAGE_TYPE_FROM_CACHE;
@@ -399,10 +399,10 @@ static FillBitsType fill_bits(DisplayChannelClient *dcc, SpiceMarshaller *m,
                 spice_assert(bitmap_palette_out == NULL);
                 spice_assert(lzplt_palette_out == NULL);
                 stat_inc_counter(reds, display->cache_hits_counter, 1);
-                pthread_mutex_unlock(&dcc->pixmap_cache->lock);
+                pthread_mutex_unlock(&dcc->priv->pixmap_cache->lock);
                 return FILL_BITS_TYPE_CACHE;
             } else {
-                pixmap_cache_unlocked_set_lossy(dcc->pixmap_cache, simage->descriptor.id,
+                pixmap_cache_unlocked_set_lossy(dcc->priv->pixmap_cache, simage->descriptor.id,
                                                 FALSE);
                 image.descriptor.flags |= SPICE_IMAGE_FLAGS_CACHE_REPLACE_ME;
             }
@@ -417,7 +417,7 @@ static FillBitsType fill_bits(DisplayChannelClient *dcc, SpiceMarshaller *m,
         surface_id = simage->u.surface.surface_id;
         if (!validate_surface(display, surface_id)) {
             spice_warning("Invalid surface in SPICE_IMAGE_TYPE_SURFACE");
-            pthread_mutex_unlock(&dcc->pixmap_cache->lock);
+            pthread_mutex_unlock(&dcc->priv->pixmap_cache->lock);
             return FILL_BITS_TYPE_SURFACE;
         }
 
@@ -432,7 +432,7 @@ static FillBitsType fill_bits(DisplayChannelClient *dcc, SpiceMarshaller *m,
                              &bitmap_palette_out, &lzplt_palette_out);
         spice_assert(bitmap_palette_out == NULL);
         spice_assert(lzplt_palette_out == NULL);
-        pthread_mutex_unlock(&dcc->pixmap_cache->lock);
+        pthread_mutex_unlock(&dcc->priv->pixmap_cache->lock);
         return FILL_BITS_TYPE_SURFACE;
     }
     case SPICE_IMAGE_TYPE_BITMAP: {
@@ -464,7 +464,7 @@ static FillBitsType fill_bits(DisplayChannelClient *dcc, SpiceMarshaller *m,
             }
 
             spice_marshaller_add_ref_chunks(m, bitmap->data);
-            pthread_mutex_unlock(&dcc->pixmap_cache->lock);
+            pthread_mutex_unlock(&dcc->priv->pixmap_cache->lock);
             return FILL_BITS_TYPE_BITMAP;
         } else {
             red_display_add_image_to_pixmap_cache(rcc, simage, &image,
@@ -482,7 +482,7 @@ static FillBitsType fill_bits(DisplayChannelClient *dcc, SpiceMarshaller *m,
             }
 
             spice_assert(!comp_send_data.is_lossy || can_lossy);
-            pthread_mutex_unlock(&dcc->pixmap_cache->lock);
+            pthread_mutex_unlock(&dcc->priv->pixmap_cache->lock);
             return (comp_send_data.is_lossy ? FILL_BITS_TYPE_COMPRESS_LOSSY :
                                               FILL_BITS_TYPE_COMPRESS_LOSSLESS);
         }
@@ -496,12 +496,12 @@ static FillBitsType fill_bits(DisplayChannelClient *dcc, SpiceMarshaller *m,
         spice_assert(bitmap_palette_out == NULL);
         spice_assert(lzplt_palette_out == NULL);
         spice_marshaller_add_ref_chunks(m, image.u.quic.data);
-        pthread_mutex_unlock(&dcc->pixmap_cache->lock);
+        pthread_mutex_unlock(&dcc->priv->pixmap_cache->lock);
         return FILL_BITS_TYPE_COMPRESS_LOSSLESS;
     default:
         spice_error("invalid image type %u", image.descriptor.type);
     }
-    pthread_mutex_unlock(&dcc->pixmap_cache->lock);
+    pthread_mutex_unlock(&dcc->priv->pixmap_cache->lock);
     return FILL_BITS_TYPE_INVALID;
 }
 
@@ -511,12 +511,12 @@ static void fill_mask(RedChannelClient *rcc, SpiceMarshaller *m,
     DisplayChannelClient *dcc = RCC_TO_DCC(rcc);
 
     if (mask_bitmap && m) {
-        if (dcc->image_compression != SPICE_IMAGE_COMPRESSION_OFF) {
+        if (dcc->priv->image_compression != SPICE_IMAGE_COMPRESSION_OFF) {
             /* todo: pass compression argument */
-            SpiceImageCompression save_img_comp = dcc->image_compression;
-            dcc->image_compression = SPICE_IMAGE_COMPRESSION_OFF;
+            SpiceImageCompression save_img_comp = dcc->priv->image_compression;
+            dcc->priv->image_compression = SPICE_IMAGE_COMPRESSION_OFF;
             fill_bits(dcc, m, mask_bitmap, drawable, FALSE);
-            dcc->image_compression = save_img_comp;
+            dcc->priv->image_compression = save_img_comp;
         } else {
             fill_bits(dcc, m, mask_bitmap, drawable, FALSE);
         }
@@ -570,7 +570,7 @@ static void surface_lossy_region_update(DisplayChannelClient *dcc,
         return;
     }
 
-    surface_lossy_region = &dcc->surface_client_lossy_region[item->surface_id];
+    surface_lossy_region = &dcc->priv->surface_client_lossy_region[item->surface_id];
     drawable = item->red_drawable;
 
     if (drawable->clip.type == SPICE_CLIP_TYPE_RECTS ) {
@@ -1707,10 +1707,10 @@ static int red_marshall_stream_data(RedChannelClient *rcc,
         return FALSE;
     }
 
-    StreamAgent *agent = &dcc->stream_agents[get_stream_id(display, stream)];
+    StreamAgent *agent = &dcc->priv->stream_agents[get_stream_id(display, stream)];
     uint64_t time_now = spice_get_monotonic_time_ns();
 
-    if (!dcc->use_video_encoder_rate_control) {
+    if (!dcc->priv->use_video_encoder_rate_control) {
         if (time_now - agent->last_send_time < (1000 * 1000 * 1000) / agent->fps) {
             agent->frames--;
 #ifdef STREAM_STATS
@@ -1734,7 +1734,7 @@ static int red_marshall_stream_data(RedChannelClient *rcc,
                                              &outbuf);
     switch (ret) {
     case VIDEO_ENCODER_FRAME_DROP:
-        spice_assert(dcc->use_video_encoder_rate_control);
+        spice_assert(dcc->priv->use_video_encoder_rate_control);
 #ifdef STREAM_STATS
         agent->stats.num_drops_fps++;
 #endif
@@ -1812,7 +1812,7 @@ static void display_channel_marshall_migrate_data_surfaces(DisplayChannelClient
     for (i = 0; i < NUM_SURFACES; i++) {
         SpiceRect lossy_rect;
 
-        if (!dcc->surface_client_created[i]) {
+        if (!dcc->priv->surface_client_created[i]) {
             continue;
         }
         spice_marshaller_add_uint32(m2, i);
@@ -1821,7 +1821,7 @@ static void display_channel_marshall_migrate_data_surfaces(DisplayChannelClient
         if (!lossy) {
             continue;
         }
-        region_extents(&dcc->surface_client_lossy_region[i], &lossy_rect);
+        region_extents(&dcc->priv->surface_client_lossy_region[i], &lossy_rect);
         spice_marshaller_add_int32(m2, lossy_rect.left);
         spice_marshaller_add_int32(m2, lossy_rect.top);
         spice_marshaller_add_int32(m2, lossy_rect.right);
@@ -1834,6 +1834,7 @@ static void display_channel_marshall_migrate_data(RedChannelClient *rcc,
 {
     DisplayChannel *display_channel;
     DisplayChannelClient *dcc = RCC_TO_DCC(rcc);
+    ImageEncoders *encoders = dcc_get_encoders(dcc);
     SpiceMigrateDataDisplay display_data = {0,};
 
     display_channel = DCC_TO_DC(dcc);
@@ -1842,20 +1843,20 @@ static void display_channel_marshall_migrate_data(RedChannelClient *rcc,
     spice_marshaller_add_uint32(base_marshaller, SPICE_MIGRATE_DATA_DISPLAY_MAGIC);
     spice_marshaller_add_uint32(base_marshaller, SPICE_MIGRATE_DATA_DISPLAY_VERSION);
 
-    spice_assert(dcc->pixmap_cache);
+    spice_assert(dcc->priv->pixmap_cache);
     spice_assert(MIGRATE_DATA_DISPLAY_MAX_CACHE_CLIENTS == 4 &&
                  MIGRATE_DATA_DISPLAY_MAX_CACHE_CLIENTS == MAX_CACHE_CLIENTS);
 
     display_data.message_serial = red_channel_client_get_message_serial(rcc);
-    display_data.low_bandwidth_setting = dcc->is_low_bandwidth;
+    display_data.low_bandwidth_setting = dcc_is_low_bandwidth(dcc);
 
-    display_data.pixmap_cache_freezer = pixmap_cache_freeze(dcc->pixmap_cache);
-    display_data.pixmap_cache_id = dcc->pixmap_cache->id;
-    display_data.pixmap_cache_size = dcc->pixmap_cache->size;
-    memcpy(display_data.pixmap_cache_clients, dcc->pixmap_cache->sync,
+    display_data.pixmap_cache_freezer = pixmap_cache_freeze(dcc->priv->pixmap_cache);
+    display_data.pixmap_cache_id = dcc->priv->pixmap_cache->id;
+    display_data.pixmap_cache_size = dcc->priv->pixmap_cache->size;
+    memcpy(display_data.pixmap_cache_clients, dcc->priv->pixmap_cache->sync,
            sizeof(display_data.pixmap_cache_clients));
 
-    image_encoders_glz_get_restore_data(&dcc->encoders, &display_data.glz_dict_id,
+    image_encoders_glz_get_restore_data(encoders, &display_data.glz_dict_id,
                                         &display_data.glz_dict_data);
 
     /* all data besided the surfaces ref */
@@ -1873,7 +1874,7 @@ static void display_channel_marshall_pixmap_sync(RedChannelClient *rcc,
     PixmapCache *pixmap_cache;
 
     red_channel_client_init_send_data(rcc, SPICE_MSG_WAIT_FOR_CHANNELS, NULL);
-    pixmap_cache = dcc->pixmap_cache;
+    pixmap_cache = dcc->priv->pixmap_cache;
 
     pthread_mutex_lock(&pixmap_cache->lock);
 
@@ -1881,8 +1882,8 @@ static void display_channel_marshall_pixmap_sync(RedChannelClient *rcc,
     wait.wait_list[0].channel_type = SPICE_CHANNEL_DISPLAY;
     wait.wait_list[0].channel_id = pixmap_cache->generation_initiator.client;
     wait.wait_list[0].message_serial = pixmap_cache->generation_initiator.message;
-    dcc->pixmap_cache_generation = pixmap_cache->generation;
-    dcc->pending_pixmaps_sync = FALSE;
+    dcc->priv->pixmap_cache_generation = pixmap_cache->generation;
+    dcc->priv->pending_pixmaps_sync = FALSE;
 
     pthread_mutex_unlock(&pixmap_cache->lock);
 
@@ -1891,7 +1892,7 @@ static void display_channel_marshall_pixmap_sync(RedChannelClient *rcc,
 
 static void dcc_pixmap_cache_reset(DisplayChannelClient *dcc, SpiceMsgWaitForChannels* sync_data)
 {
-    PixmapCache *cache = dcc->pixmap_cache;
+    PixmapCache *cache = dcc->priv->pixmap_cache;
     uint8_t wait_count;
     uint64_t serial;
     uint32_t i;
@@ -1900,14 +1901,14 @@ static void dcc_pixmap_cache_reset(DisplayChannelClient *dcc, SpiceMsgWaitForCha
     pthread_mutex_lock(&cache->lock);
     pixmap_cache_clear(cache);
 
-    dcc->pixmap_cache_generation = ++cache->generation;
-    cache->generation_initiator.client = dcc->id;
+    dcc->priv->pixmap_cache_generation = ++cache->generation;
+    cache->generation_initiator.client = dcc->priv->id;
     cache->generation_initiator.message = serial;
-    cache->sync[dcc->id] = serial;
+    cache->sync[dcc->priv->id] = serial;
 
     wait_count = 0;
     for (i = 0; i < MAX_CACHE_CLIENTS; i++) {
-        if (cache->sync[i] && i != dcc->id) {
+        if (cache->sync[i] && i != dcc->priv->id) {
             sync_data->wait_list[wait_count].channel_type = SPICE_CHANNEL_DISPLAY;
             sync_data->wait_list[wait_count].channel_id = i;
             sync_data->wait_list[wait_count++].message_serial = cache->sync[i];
@@ -1994,7 +1995,7 @@ static void red_marshall_image(RedChannelClient *rcc,
 
     int comp_succeeded = dcc_compress_image(dcc, &red_image, &bitmap, NULL, item->can_lossy, &comp_send_data);
 
-    surface_lossy_region = &dcc->surface_client_lossy_region[item->surface_id];
+    surface_lossy_region = &dcc->priv->surface_client_lossy_region[item->surface_id];
     if (comp_succeeded) {
         spice_marshall_Image(src_bitmap_out, &red_image,
                              &bitmap_palette_out, &lzplt_palette_out);
@@ -2261,7 +2262,7 @@ static void marshall_surface_create(RedChannelClient *rcc,
 {
     DisplayChannelClient *dcc = RCC_TO_DCC(rcc);
 
-    region_init(&dcc->surface_client_lossy_region[surface_create->surface_id]);
+    region_init(&dcc->priv->surface_client_lossy_region[surface_create->surface_id]);
     red_channel_client_init_send_data(rcc, SPICE_MSG_DISPLAY_SURFACE_CREATE, NULL);
 
     spice_marshall_msg_display_surface_create(base_marshaller, surface_create);
@@ -2273,7 +2274,7 @@ static void marshall_surface_destroy(RedChannelClient *rcc,
     DisplayChannelClient *dcc = RCC_TO_DCC(rcc);
     SpiceMsgSurfaceDestroy surface_destroy;
 
-    region_destroy(&dcc->surface_client_lossy_region[surface_id]);
+    region_destroy(&dcc->priv->surface_client_lossy_region[surface_id]);
     red_channel_client_init_send_data(rcc, SPICE_MSG_DISPLAY_SURFACE_DESTROY, NULL);
 
     surface_destroy.surface_id = surface_id;
@@ -2313,7 +2314,7 @@ static void marshall_stream_activate_report(RedChannelClient *rcc,
                                             uint32_t stream_id)
 {
     DisplayChannelClient *dcc = RCC_TO_DCC(rcc);
-    StreamAgent *agent = &dcc->stream_agents[stream_id];
+    StreamAgent *agent = &dcc->priv->stream_agents[stream_id];
     SpiceMsgDisplayStreamActivateReport msg;
 
     red_channel_client_init_send_data(rcc, SPICE_MSG_DISPLAY_STREAM_ACTIVATE_REPORT, NULL);
@@ -2354,14 +2355,14 @@ static void marshall_gl_draw(RedChannelClient *rcc,
 static void begin_send_message(RedChannelClient *rcc)
 {
     DisplayChannelClient *dcc = RCC_TO_DCC(rcc);
-    FreeList *free_list = &dcc->send_data.free_list;
+    FreeList *free_list = &dcc->priv->send_data.free_list;
 
     if (free_list->res->count) {
         int sync_count = 0;
         int i;
 
         for (i = 0; i < MAX_CACHE_CLIENTS; i++) {
-            if (i != dcc->id && free_list->sync[i] != 0) {
+            if (i != dcc->priv->id && free_list->sync[i] != 0) {
                 free_list->wait.header.wait_list[sync_count].channel_type = SPICE_CHANNEL_DISPLAY;
                 free_list->wait.header.wait_list[sync_count].channel_id = i;
                 free_list->wait.header.wait_list[sync_count++].message_serial = free_list->sync[i];
@@ -2380,9 +2381,10 @@ static void begin_send_message(RedChannelClient *rcc)
 
 static void reset_send_data(DisplayChannelClient *dcc)
 {
-    dcc->send_data.free_list.res->count = 0;
-    dcc->send_data.num_pixmap_cache_items = 0;
-    memset(dcc->send_data.free_list.sync, 0, sizeof(dcc->send_data.free_list.sync));
+    dcc->priv->send_data.free_list.res->count = 0;
+    dcc->priv->send_data.num_pixmap_cache_items = 0;
+    memset(dcc->priv->send_data.free_list.sync, 0,
+           sizeof(dcc->priv->send_data.free_list.sync));
 }
 
 void dcc_send_item(RedChannelClient *rcc, RedPipeItem *pipe_item)
diff --git a/server/dcc.c b/server/dcc.c
index 87ef145..9972d75 100644
--- a/server/dcc.c
+++ b/server/dcc.c
@@ -154,7 +154,7 @@ void dcc_create_surface(DisplayChannelClient *dcc, int surface_id)
 
     /* don't send redundant create surface commands to client */
     if (!dcc || display->common.during_target_migrate ||
-        dcc->surface_client_created[surface_id]) {
+        dcc->priv->surface_client_created[surface_id]) {
         return;
     }
     surface = &display->surfaces[surface_id];
@@ -162,7 +162,7 @@ void dcc_create_surface(DisplayChannelClient *dcc, int surface_id)
                                          surface_id, surface->context.width,
                                          surface->context.height,
                                          surface->context.format, flags);
-    dcc->surface_client_created[surface_id] = TRUE;
+    dcc->priv->surface_client_created[surface_id] = TRUE;
     red_channel_client_pipe_add(RED_CHANNEL_CLIENT(dcc), &create->pipe_item);
 }
 
@@ -264,7 +264,7 @@ static void add_drawable_surface_images(DisplayChannelClient *dcc, Drawable *dra
 
         surface_id = drawable->surface_deps[x];
         if (surface_id != -1) {
-            if (dcc->surface_client_created[surface_id] == TRUE) {
+            if (dcc->priv->surface_client_created[surface_id] == TRUE) {
                 continue;
             }
             dcc_create_surface(dcc, surface_id);
@@ -273,7 +273,7 @@ static void add_drawable_surface_images(DisplayChannelClient *dcc, Drawable *dra
         }
     }
 
-    if (dcc->surface_client_created[drawable->surface_id] == TRUE) {
+    if (dcc->priv->surface_client_created[drawable->surface_id] == TRUE) {
         return;
     }
 
@@ -342,12 +342,12 @@ static void dcc_init_stream_agents(DisplayChannelClient *dcc)
     DisplayChannel *display = DCC_TO_DC(dcc);
 
     for (i = 0; i < NUM_STREAMS; i++) {
-        StreamAgent *agent = &dcc->stream_agents[i];
+        StreamAgent *agent = &dcc->priv->stream_agents[i];
         agent->stream = &display->streams_buf[i];
         region_init(&agent->vis_region);
         region_init(&agent->clip);
     }
-    dcc->use_video_encoder_rate_control =
+    dcc->priv->use_video_encoder_rate_control =
         red_channel_client_test_remote_cap(RED_CHANNEL_CLIENT(dcc), SPICE_DISPLAY_CAP_STREAM_REPORT);
 }
 
@@ -371,27 +371,29 @@ DisplayChannelClient *dcc_new(DisplayChannel *display,
         client, stream, TRUE,
         num_common_caps, common_caps,
         num_caps, caps);
+    dcc->priv = g_new0(DisplayChannelClientPrivate, 1);
+
     display->common.during_target_migrate = mig_target;
-    dcc->id = display->common.qxl->id;
+    dcc->priv->id = display->common.qxl->id;
     spice_return_val_if_fail(dcc, NULL);
     spice_info("New display (client %p) dcc %p stream %p", client, dcc, stream);
 
-    ring_init(&dcc->palette_cache_lru);
-    dcc->palette_cache_available = CLIENT_PALETTE_CACHE_SIZE;
-    dcc->image_compression = image_compression;
-    dcc->jpeg_state = jpeg_state;
-    dcc->zlib_glz_state = zlib_glz_state;
+    ring_init(&dcc->priv->palette_cache_lru);
+    dcc->priv->palette_cache_available = CLIENT_PALETTE_CACHE_SIZE;
+    dcc->priv->image_compression = image_compression;
+    dcc->priv->jpeg_state = jpeg_state;
+    dcc->priv->zlib_glz_state = zlib_glz_state;
     // TODO: tune quality according to bandwidth
-    dcc->encoders.jpeg_quality = 85;
+    dcc->priv->encoders.jpeg_quality = 85;
 
-    dcc->send_data.free_list.res =
+    dcc->priv->send_data.free_list.res =
         spice_malloc(sizeof(SpiceResourceList) +
                      DISPLAY_FREE_LIST_DEFAULT_SIZE * sizeof(SpiceResourceID));
-    dcc->send_data.free_list.res_size = DISPLAY_FREE_LIST_DEFAULT_SIZE;
+    dcc->priv->send_data.free_list.res_size = DISPLAY_FREE_LIST_DEFAULT_SIZE;
 
     dcc_init_stream_agents(dcc);
 
-    image_encoders_init(&dcc->encoders, &display->encoder_shared_data);
+    image_encoders_init(&dcc->priv->encoders, &display->encoder_shared_data);
 
     return dcc;
 }
@@ -410,18 +412,18 @@ static void dcc_create_all_streams(DisplayChannelClient *dcc)
 /* TODO: this function is evil^Wsynchronous, fix */
 static int display_channel_client_wait_for_init(DisplayChannelClient *dcc)
 {
-    dcc->expect_init = TRUE;
+    dcc->priv->expect_init = TRUE;
     uint64_t end_time = spice_get_monotonic_time_ns() + COMMON_CLIENT_TIMEOUT;
     for (;;) {
         red_channel_client_receive(RED_CHANNEL_CLIENT(dcc));
         if (!red_channel_client_is_connected(RED_CHANNEL_CLIENT(dcc))) {
             break;
         }
-        if (dcc->pixmap_cache && dcc->encoders.glz_dict) {
-            dcc->pixmap_cache_generation = dcc->pixmap_cache->generation;
+        if (dcc->priv->pixmap_cache && dcc->priv->encoders.glz_dict) {
+            dcc->priv->pixmap_cache_generation = dcc->priv->pixmap_cache->generation;
             /* TODO: move common.id? if it's used for a per client structure.. */
-            spice_info("creating encoder with id == %d", dcc->id);
-            if (!image_encoders_glz_create(&dcc->encoders, dcc->id)) {
+            spice_info("creating encoder with id == %d", dcc->priv->id);
+            if (!image_encoders_glz_create(&dcc->priv->encoders, dcc->priv->id)) {
                 spice_critical("create global lz failed");
             }
             return TRUE;
@@ -472,7 +474,7 @@ static void dcc_destroy_stream_agents(DisplayChannelClient *dcc)
     int i;
 
     for (i = 0; i < NUM_STREAMS; i++) {
-        StreamAgent *agent = &dcc->stream_agents[i];
+        StreamAgent *agent = &dcc->priv->stream_agents[i];
         region_destroy(&agent->vis_region);
         region_destroy(&agent->clip);
         if (agent->video_encoder) {
@@ -486,14 +488,14 @@ void dcc_stop(DisplayChannelClient *dcc)
 {
     DisplayChannel *dc = DCC_TO_DC(dcc);
 
-    pixmap_cache_unref(dcc->pixmap_cache);
-    dcc->pixmap_cache = NULL;
+    pixmap_cache_unref(dcc->priv->pixmap_cache);
+    dcc->priv->pixmap_cache = NULL;
     dcc_palette_cache_reset(dcc);
-    free(dcc->send_data.free_list.res);
+    free(dcc->priv->send_data.free_list.res);
     dcc_destroy_stream_agents(dcc);
-    image_encoders_free(&dcc->encoders);
+    image_encoders_free(&dcc->priv->encoders);
 
-    if (dcc->gl_draw_ongoing) {
+    if (dcc->priv->gl_draw_ongoing) {
         display_channel_gl_draw_done(dc);
     }
 }
@@ -599,7 +601,7 @@ RedPipeItem *dcc_gl_draw_item_new(RedChannelClient *rcc, void *data, int num)
         return NULL;
     }
 
-    dcc->gl_draw_ongoing = TRUE;
+    dcc->priv->gl_draw_ongoing = TRUE;
     item->draw = *draw;
     red_pipe_item_init(&item->base, RED_PIPE_ITEM_TYPE_GL_DRAW);
 
@@ -620,11 +622,11 @@ void dcc_destroy_surface(DisplayChannelClient *dcc, uint32_t surface_id)
     channel = RED_CHANNEL(display);
 
     if (COMMON_GRAPHICS_CHANNEL(display)->during_target_migrate ||
-        !dcc->surface_client_created[surface_id]) {
+        !dcc->priv->surface_client_created[surface_id]) {
         return;
     }
 
-    dcc->surface_client_created[surface_id] = FALSE;
+    dcc->priv->surface_client_created[surface_id] = FALSE;
     destroy = red_surface_destroy_item_new(channel, surface_id);
     red_channel_client_pipe_add(RED_CHANNEL_CLIENT(dcc), &destroy->pipe_item);
 }
@@ -725,20 +727,20 @@ int dcc_compress_image(DisplayChannelClient *dcc,
 
     stat_start_time_init(&start_time, &display_channel->encoder_shared_data.off_stat);
 
-    image_compression = get_compression_for_bitmap(src, dcc->image_compression, drawable);
+    image_compression = get_compression_for_bitmap(src, dcc->priv->image_compression, drawable);
     switch (image_compression) {
     case SPICE_IMAGE_COMPRESSION_OFF:
         break;
     case SPICE_IMAGE_COMPRESSION_QUIC:
         if (can_lossy && display_channel->enable_jpeg &&
             (src->format != SPICE_BITMAP_FMT_RGBA || !bitmap_has_extra_stride(src))) {
-            success = image_encoders_compress_jpeg(&dcc->encoders, dest, src, o_comp_data);
+            success = image_encoders_compress_jpeg(&dcc->priv->encoders, dest, src, o_comp_data);
             break;
         }
-        success = image_encoders_compress_quic(&dcc->encoders, dest, src, o_comp_data);
+        success = image_encoders_compress_quic(&dcc->priv->encoders, dest, src, o_comp_data);
         break;
     case SPICE_IMAGE_COMPRESSION_GLZ:
-        success = image_encoders_compress_glz(&dcc->encoders, dest, src,
+        success = image_encoders_compress_glz(&dcc->priv->encoders, dest, src,
                                               drawable->red_drawable, &drawable->glz_retention,
                                               o_comp_data,
                                               display_channel->enable_zlib_glz_wrap);
@@ -750,13 +752,13 @@ int dcc_compress_image(DisplayChannelClient *dcc,
     case SPICE_IMAGE_COMPRESSION_LZ4:
         if (red_channel_client_test_remote_cap(&dcc->base,
                                                SPICE_DISPLAY_CAP_LZ4_COMPRESSION)) {
-            success = image_encoders_compress_lz4(&dcc->encoders, dest, src, o_comp_data);
+            success = image_encoders_compress_lz4(&dcc->priv->encoders, dest, src, o_comp_data);
             break;
         }
 #endif
 lz_compress:
     case SPICE_IMAGE_COMPRESSION_LZ:
-        success = image_encoders_compress_lz(&dcc->encoders, dest, src, o_comp_data);
+        success = image_encoders_compress_lz(&dcc->priv->encoders, dest, src, o_comp_data);
         if (success && !bitmap_fmt_is_rgb(src->format)) {
             dcc_palette_cache_palette(dcc, dest->u.lz_plt.palette, &(dest->u.lz_plt.flags));
         }
@@ -802,7 +804,7 @@ void dcc_palette_cache_reset(DisplayChannelClient *dcc)
 static void dcc_push_release(DisplayChannelClient *dcc, uint8_t type, uint64_t id,
                              uint64_t* sync_data)
 {
-    FreeList *free_list = &dcc->send_data.free_list;
+    FreeList *free_list = &dcc->priv->send_data.free_list;
     int i;
 
     for (i = 0; i < MAX_CACHE_CLIENTS; i++) {
@@ -827,7 +829,7 @@ static void dcc_push_release(DisplayChannelClient *dcc, uint8_t type, uint64_t i
 int dcc_pixmap_cache_unlocked_add(DisplayChannelClient *dcc, uint64_t id,
                                   uint32_t size, int lossy)
 {
-    PixmapCache *cache = dcc->pixmap_cache;
+    PixmapCache *cache = dcc->priv->pixmap_cache;
     NewCacheItem *item;
     uint64_t serial;
     int key;
@@ -837,11 +839,11 @@ int dcc_pixmap_cache_unlocked_add(DisplayChannelClient *dcc, uint64_t id,
     item = spice_new(NewCacheItem, 1);
     serial = red_channel_client_get_message_serial(RED_CHANNEL_CLIENT(dcc));
 
-    if (cache->generation != dcc->pixmap_cache_generation) {
-        if (!dcc->pending_pixmaps_sync) {
+    if (cache->generation != dcc->priv->pixmap_cache_generation) {
+        if (!dcc->priv->pending_pixmaps_sync) {
             red_channel_client_pipe_add_type(
                                              RED_CHANNEL_CLIENT(dcc), RED_PIPE_ITEM_TYPE_PIXMAP_SYNC);
-            dcc->pending_pixmaps_sync = TRUE;
+            dcc->priv->pending_pixmaps_sync = TRUE;
         }
         free(item);
         return FALSE;
@@ -854,7 +856,7 @@ int dcc_pixmap_cache_unlocked_add(DisplayChannelClient *dcc, uint64_t id,
 
         verify(SPICE_OFFSETOF(NewCacheItem, lru_link) == 0);
         if (!(tail = (NewCacheItem *)ring_get_tail(&cache->lru)) ||
-                                                   tail->sync[dcc->id] == serial) {
+                                                   tail->sync[dcc->priv->id] == serial) {
             cache->available += size;
             free(item);
             return FALSE;
@@ -872,7 +874,7 @@ int dcc_pixmap_cache_unlocked_add(DisplayChannelClient *dcc, uint64_t id,
         ring_remove(&tail->lru_link);
         cache->items--;
         cache->available += tail->size;
-        cache->sync[dcc->id] = serial;
+        cache->sync[dcc->priv->id] = serial;
         dcc_push_release(dcc, SPICE_RES_TYPE_PIXMAP, tail->id, tail->sync);
         free(tail);
     }
@@ -885,8 +887,8 @@ int dcc_pixmap_cache_unlocked_add(DisplayChannelClient *dcc, uint64_t id,
     item->size = size;
     item->lossy = lossy;
     memset(item->sync, 0, sizeof(item->sync));
-    item->sync[dcc->id] = serial;
-    cache->sync[dcc->id] = serial;
+    item->sync[dcc->priv->id] = serial;
+    cache->sync[dcc->priv->id] = serial;
     return TRUE;
 }
 
@@ -895,16 +897,16 @@ static int dcc_handle_init(DisplayChannelClient *dcc, SpiceMsgcDisplayInit *init
     gboolean success;
     RedClient *client = red_channel_client_get_client(RED_CHANNEL_CLIENT(dcc));
 
-    spice_return_val_if_fail(dcc->expect_init, FALSE);
-    dcc->expect_init = FALSE;
+    spice_return_val_if_fail(dcc->priv->expect_init, FALSE);
+    dcc->priv->expect_init = FALSE;
 
-    spice_return_val_if_fail(!dcc->pixmap_cache, FALSE);
-    dcc->pixmap_cache = pixmap_cache_get(client,
-                                         init->pixmap_cache_id,
-                                         init->pixmap_cache_size);
-    spice_return_val_if_fail(dcc->pixmap_cache, FALSE);
+    spice_return_val_if_fail(!dcc->priv->pixmap_cache, FALSE);
+    dcc->priv->pixmap_cache = pixmap_cache_get(client,
+                                               init->pixmap_cache_id,
+                                               init->pixmap_cache_size);
+    spice_return_val_if_fail(dcc->priv->pixmap_cache, FALSE);
 
-    success = image_encoders_get_glz_dictionary(&dcc->encoders,
+    success = image_encoders_get_glz_dictionary(&dcc->priv->encoders,
                                                 client,
                                                 init->glz_dictionary_id,
                                                 init->glz_dictionary_window_size);
@@ -924,7 +926,7 @@ static int dcc_handle_stream_report(DisplayChannelClient *dcc,
         return FALSE;
     }
 
-    agent = &dcc->stream_agents[report->stream_id];
+    agent = &dcc->priv->stream_agents[report->stream_id];
     if (!agent->video_encoder) {
         spice_info("stream_report: no encoder for stream id %u. "
                    "The stream has probably been destroyed",
@@ -962,7 +964,7 @@ static int dcc_handle_preferred_compression(DisplayChannelClient *dcc,
     case SPICE_IMAGE_COMPRESSION_LZ:
     case SPICE_IMAGE_COMPRESSION_GLZ:
     case SPICE_IMAGE_COMPRESSION_OFF:
-        dcc->image_compression = pc->image_compression;
+        dcc->priv->image_compression = pc->image_compression;
         break;
     default:
         spice_warning("preferred-compression: unsupported image compression setting");
@@ -974,13 +976,13 @@ static int dcc_handle_gl_draw_done(DisplayChannelClient *dcc)
 {
     DisplayChannel *display = DCC_TO_DC(dcc);
 
-    if (G_UNLIKELY(!dcc->gl_draw_ongoing)) {
+    if (G_UNLIKELY(!dcc->priv->gl_draw_ongoing)) {
         g_warning("unexpected DRAW_DONE received\n");
         /* close client connection */
         return FALSE;
     }
 
-    dcc->gl_draw_ongoing = FALSE;
+    dcc->priv->gl_draw_ongoing = FALSE;
     display_channel_gl_draw_done(display);
 
     return TRUE;
@@ -1008,7 +1010,7 @@ int dcc_handle_message(RedChannelClient *rcc, uint32_t size, uint16_t type, void
 static int dcc_handle_migrate_glz_dictionary(DisplayChannelClient *dcc,
                                              SpiceMigrateDataDisplay *migrate)
 {
-    return image_encoders_restore_glz_dictionary(&dcc->encoders,
+    return image_encoders_restore_glz_dictionary(&dcc->priv->encoders,
                                                  red_channel_client_get_client(RED_CHANNEL_CLIENT(dcc)),
                                                  migrate->glz_dict_id,
                                                  &migrate->glz_dict_data);
@@ -1018,11 +1020,11 @@ static int restore_surface(DisplayChannelClient *dcc, uint32_t surface_id)
 {
     /* we don't process commands till we receive the migration data, thus,
      * we should have not sent any surface to the client. */
-    if (dcc->surface_client_created[surface_id]) {
+    if (dcc->priv->surface_client_created[surface_id]) {
         spice_warning("surface %u is already marked as client_created", surface_id);
         return FALSE;
     }
-    dcc->surface_client_created[surface_id] = TRUE;
+    dcc->priv->surface_client_created[surface_id] = TRUE;
     return TRUE;
 }
 
@@ -1060,8 +1062,8 @@ static int restore_surfaces_lossy(DisplayChannelClient *dcc,
         lossy_rect.top = mig_lossy_rect->top;
         lossy_rect.right = mig_lossy_rect->right;
         lossy_rect.bottom = mig_lossy_rect->bottom;
-        region_init(&dcc->surface_client_lossy_region[surface_id]);
-        region_add(&dcc->surface_client_lossy_region[surface_id], &lossy_rect);
+        region_init(&dcc->priv->surface_client_lossy_region[surface_id]);
+        region_add(&dcc->priv->surface_client_lossy_region[surface_id], &lossy_rect);
     }
     return TRUE;
 }
@@ -1085,26 +1087,26 @@ int dcc_handle_migrate_data(DisplayChannelClient *dcc, uint32_t size, void *mess
      * channel client that froze the cache on the src size receives the migrate
      * data and unfreezes the cache by setting its size > 0 and by triggering
      * pixmap_cache_reset */
-    dcc->pixmap_cache = pixmap_cache_get(red_channel_client_get_client(RED_CHANNEL_CLIENT(dcc)),
-                                         migrate_data->pixmap_cache_id, -1);
-    spice_return_val_if_fail(dcc->pixmap_cache, FALSE);
+    dcc->priv->pixmap_cache = pixmap_cache_get(red_channel_client_get_client(RED_CHANNEL_CLIENT(dcc)),
+                                               migrate_data->pixmap_cache_id, -1);
+    spice_return_val_if_fail(dcc->priv->pixmap_cache, FALSE);
 
-    pthread_mutex_lock(&dcc->pixmap_cache->lock);
+    pthread_mutex_lock(&dcc->priv->pixmap_cache->lock);
     for (i = 0; i < MAX_CACHE_CLIENTS; i++) {
-        dcc->pixmap_cache->sync[i] = MAX(dcc->pixmap_cache->sync[i],
-                                         migrate_data->pixmap_cache_clients[i]);
+        dcc->priv->pixmap_cache->sync[i] = MAX(dcc->priv->pixmap_cache->sync[i],
+                                               migrate_data->pixmap_cache_clients[i]);
     }
-    pthread_mutex_unlock(&dcc->pixmap_cache->lock);
+    pthread_mutex_unlock(&dcc->priv->pixmap_cache->lock);
 
     if (migrate_data->pixmap_cache_freezer) {
         /* activating the cache. The cache will start to be active after
          * pixmap_cache_reset is called, when handling RED_PIPE_ITEM_TYPE_PIXMAP_RESET */
-        dcc->pixmap_cache->size = migrate_data->pixmap_cache_size;
+        dcc->priv->pixmap_cache->size = migrate_data->pixmap_cache_size;
         red_channel_client_pipe_add_type(RED_CHANNEL_CLIENT(dcc), RED_PIPE_ITEM_TYPE_PIXMAP_RESET);
     }
 
     if (dcc_handle_migrate_glz_dictionary(dcc, migrate_data)) {
-        image_encoders_glz_create(&dcc->encoders, dcc->id);
+        image_encoders_glz_create(&dcc->priv->encoders, dcc->priv->id);
     } else {
         spice_critical("restoring global lz dictionary failed");
     }
@@ -1113,10 +1115,10 @@ int dcc_handle_migrate_data(DisplayChannelClient *dcc, uint32_t size, void *mess
 
     if (migrate_data->low_bandwidth_setting) {
         red_channel_client_ack_set_client_window(RED_CHANNEL_CLIENT(dcc), WIDE_CLIENT_ACK_WINDOW);
-        if (dcc->jpeg_state == SPICE_WAN_COMPRESSION_AUTO) {
+        if (dcc->priv->jpeg_state == SPICE_WAN_COMPRESSION_AUTO) {
             display->enable_jpeg = TRUE;
         }
-        if (dcc->zlib_glz_state == SPICE_WAN_COMPRESSION_AUTO) {
+        if (dcc->priv->zlib_glz_state == SPICE_WAN_COMPRESSION_AUTO) {
             display->enable_zlib_glz_wrap = TRUE;
         }
     }
@@ -1136,47 +1138,47 @@ int dcc_handle_migrate_data(DisplayChannelClient *dcc, uint32_t size, void *mess
 
 StreamAgent* dcc_get_stream_agent(DisplayChannelClient *dcc, int stream_id)
 {
-    return &dcc->stream_agents[stream_id];
+    return &dcc->priv->stream_agents[stream_id];
 }
 
 ImageEncoders* dcc_get_encoders(DisplayChannelClient *dcc)
 {
-    return &dcc->encoders;
+    return &dcc->priv->encoders;
 }
 
 spice_wan_compression_t dcc_get_jpeg_state(DisplayChannelClient *dcc)
 {
-    return dcc->jpeg_state;
+    return dcc->priv->jpeg_state;
 }
 
 spice_wan_compression_t dcc_get_zlib_glz_state(DisplayChannelClient *dcc)
 {
-    return dcc->zlib_glz_state;
+    return dcc->priv->zlib_glz_state;
 }
 
 gboolean dcc_use_video_encoder_rate_control(DisplayChannelClient *dcc)
 {
-    return dcc->use_video_encoder_rate_control;
+    return dcc->priv->use_video_encoder_rate_control;
 }
 
 uint32_t dcc_get_max_stream_latency(DisplayChannelClient *dcc)
 {
-    return dcc->streams_max_latency;
+    return dcc->priv->streams_max_latency;
 }
 
 void dcc_set_max_stream_latency(DisplayChannelClient *dcc, uint32_t latency)
 {
-    dcc->streams_max_latency = latency;
+    dcc->priv->streams_max_latency = latency;
 }
 
 uint64_t dcc_get_max_stream_bit_rate(DisplayChannelClient *dcc)
 {
-    return dcc->streams_max_bit_rate;
+    return dcc->priv->streams_max_bit_rate;
 }
 
 void dcc_set_max_stream_bit_rate(DisplayChannelClient *dcc, uint64_t rate)
 {
-    dcc->streams_max_bit_rate = rate;
+    dcc->priv->streams_max_bit_rate = rate;
 }
 
 int dcc_config_socket(RedChannelClient *rcc)
-- 
2.7.4

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