virt/SOURCES/0010-stream-device-Create-channel-for-stream-device.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Frediano Ziglio <fziglio@redhat.com>
Date: Sat, 21 Jan 2017 14:02:29 +0000
Subject: [spice-server] stream-device: Create channel for stream device

So can be used by the device to communicate with the clients.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Jonathon Jongsma <jjongsma@redhat.com>
---
 server/stream-channel.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++--
 server/stream-device.c  | 14 +++++++++++++
 2 files changed, 64 insertions(+), 2 deletions(-)

diff --git a/server/stream-channel.c b/server/stream-channel.c
index df6936513..baf3d58a6 100644
--- a/server/stream-channel.c
+++ b/server/stream-channel.c
@@ -19,6 +19,8 @@
 #include <config.h>
 #endif
 
+#include <common/generated_server_marshallers.h>
+
 #include "red-channel-client.h"
 #include "stream-channel.h"
 #include "reds.h"
@@ -64,6 +66,13 @@ struct StreamChannelClass {
 
 G_DEFINE_TYPE(StreamChannel, stream_channel, RED_TYPE_CHANNEL)
 
+enum {
+    RED_PIPE_ITEM_TYPE_SURFACE_CREATE = RED_PIPE_ITEM_TYPE_COMMON_LAST,
+    RED_PIPE_ITEM_TYPE_FILL_SURFACE,
+};
+
+#define PRIMARY_SURFACE_ID 0
+
 static void stream_channel_client_on_disconnect(RedChannelClient *rcc);
 
 static void
@@ -103,9 +112,46 @@ stream_channel_client_new(StreamChannel *channel, RedClient *client, RedsStream
 }
 
 static void
+fill_base(SpiceMarshaller *m)
+{
+    SpiceMsgDisplayBase base;
+
+    base.surface_id = PRIMARY_SURFACE_ID;
+    base.box = (SpiceRect) { 0, 0, 1024, 768 };
+    base.clip = (SpiceClip) { SPICE_CLIP_TYPE_NONE, NULL };
+
+    spice_marshall_DisplayBase(m, &base);
+}
+
+static void
 stream_channel_send_item(RedChannelClient *rcc, RedPipeItem *pipe_item)
 {
+    SpiceMarshaller *m = red_channel_client_get_marshaller(rcc);
+
     switch (pipe_item->type) {
+    case RED_PIPE_ITEM_TYPE_SURFACE_CREATE: {
+        red_channel_client_init_send_data(rcc, SPICE_MSG_DISPLAY_SURFACE_CREATE);
+        SpiceMsgSurfaceCreate surface_create = {
+            PRIMARY_SURFACE_ID,
+            1024, 768,
+            SPICE_SURFACE_FMT_32_xRGB, SPICE_SURFACE_FLAGS_PRIMARY
+        };
+        spice_marshall_msg_display_surface_create(m, &surface_create);
+        break;
+    }
+    case RED_PIPE_ITEM_TYPE_FILL_SURFACE: {
+        red_channel_client_init_send_data(rcc, SPICE_MSG_DISPLAY_DRAW_FILL);
+
+        fill_base(m);
+
+        SpiceFill fill;
+        fill.brush = (SpiceBrush) { SPICE_BRUSH_TYPE_SOLID, { .color = 0 } };
+        fill.rop_descriptor = SPICE_ROPD_OP_PUT;
+        fill.mask = (SpiceQMask) { 0, { 0, 0 }, NULL };
+        SpiceMarshaller *brush_pat_out, *mask_bitmap_out;
+        spice_marshall_Fill(m, &fill, &brush_pat_out, &mask_bitmap_out);
+        break;
+    }
     default:
         spice_error("invalid pipe item type");
     }
@@ -169,8 +215,10 @@ stream_channel_connect(RedChannel *red_channel, RedClient *red_client, RedsStrea
     // "emulate" dcc_start
     // TODO only if "surface"
     red_channel_client_pipe_add_empty_msg(rcc, SPICE_MSG_DISPLAY_INVAL_ALL_PALETTES);
-    // TODO red_surface_create_item_new
-    // TODO surface data ??
+    // TODO pass proper data
+    red_channel_client_pipe_add_type(rcc, RED_PIPE_ITEM_TYPE_SURFACE_CREATE);
+    // surface data
+    red_channel_client_pipe_add_type(rcc, RED_PIPE_ITEM_TYPE_FILL_SURFACE);
     // TODO monitor configs ??
     red_channel_client_pipe_add_empty_msg(rcc, SPICE_MSG_DISPLAY_MARK);
 }
diff --git a/server/stream-device.c b/server/stream-device.c
index 58edb3d11..0c9173ae0 100644
--- a/server/stream-device.c
+++ b/server/stream-device.c
@@ -22,6 +22,8 @@
 #include <spice/stream-device.h>
 
 #include "char-device.h"
+#include "stream-channel.h"
+#include "reds.h"
 
 #define TYPE_STREAM_DEVICE stream_device_get_type()
 
@@ -37,9 +39,11 @@ typedef struct StreamDeviceClass StreamDeviceClass;
 
 struct StreamDevice {
     RedCharDevice parent;
+
     StreamDevHeader hdr;
     uint8_t hdr_pos;
     bool has_error;
+    StreamChannel *stream_channel;
 };
 
 struct StreamDeviceClass {
@@ -204,7 +208,10 @@ stream_device_connect(RedsState *reds, SpiceCharDeviceInstance *sin)
 {
     SpiceCharDeviceInterface *sif;
 
+    StreamChannel *stream_channel = stream_channel_new(reds, 1); // TODO id
+
     StreamDevice *dev = stream_device_new(sin, reds);
+    dev->stream_channel = stream_channel;
 
     sif = spice_char_device_get_interface(sin);
     if (sif->state) {
@@ -217,6 +224,13 @@ stream_device_connect(RedsState *reds, SpiceCharDeviceInstance *sin)
 static void
 stream_device_dispose(GObject *object)
 {
+    StreamDevice *dev = STREAM_DEVICE(object);
+
+    if (dev->stream_channel) {
+        // close all current connections and drop the reference
+        red_channel_destroy(RED_CHANNEL(dev->stream_channel));
+        dev->stream_channel = NULL;
+    }
 }
 
 static void