From 76712d6afa0afd6be6310f3fd35140dec088c0f1 Mon Sep 17 00:00:00 2001
From: Yonit Halperin <yhalperi@redhat.com>
Date: Mon, 2 Jul 2012 13:23:32 +0300
Subject: [PATCH] support seamless migration

see spice-protocol for more details
commit 3838ad140a046c4ddf42fef58c9727ecfdc09f9f
---
 spice.proto  | 24 +++++++++++++++++++++---
 spice1.proto | 10 +++++++---
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/spice.proto b/spice.proto
index 271e35d..2ef4dd6 100644
--- a/spice.proto
+++ b/spice.proto
@@ -193,15 +193,19 @@ struct ChannelId {
     uint8 id;
 };
 
-channel MainChannel : BaseChannel {
- server:
-     message {
+struct DstInfo {
 	uint16 port;
 	uint16 sport;
 	uint32 host_size;
 	uint8 *host_data[host_size] @zero_terminated @marshall @nonnull;
 	uint32 cert_subject_size;
 	uint8 *cert_subject_data[cert_subject_size] @zero_terminated @marshall;
+} @ctype(SpiceMigrationDstInfo);
+
+channel MainChannel : BaseChannel {
+ server:
+     message {
+        DstInfo dst_info;
     } @ctype(SpiceMsgMainMigrationBegin) migrate_begin = 101;
 
     Empty migrate_cancel;
@@ -267,6 +271,14 @@ channel MainChannel : BaseChannel {
         uint32 num_tokens;
     } agent_connected_tokens;
 
+    message {
+        DstInfo dst_info;
+        uint32 src_mig_version;
+    } migrate_begin_seamless;
+
+    Empty migrate_dst_seamless_ack;
+    Empty migrate_dst_seamless_nack;
+
  client:
     message {
 	uint64 cache_size;
@@ -293,6 +305,12 @@ channel MainChannel : BaseChannel {
     } @ctype(SpiceMsgcMainAgentTokens) agent_token;
 
     Empty migrate_end;
+
+    message {
+        uint32 src_version;
+    } migrate_dst_do_seamless;
+
+    Empty migrate_connected_seamless;
 };
 
 enum8 clip_type {
diff --git a/spice1.proto b/spice1.proto
index 2ed1058..2d22cdf 100644
--- a/spice1.proto
+++ b/spice1.proto
@@ -161,9 +161,7 @@ struct ChannelId {
     uint8 id;
 };
 
-channel MainChannel : BaseChannel {
- server:
-     message {
+struct DstInfo {
 	uint16 port;
 	uint16 sport;
 	uint32 host_offset @zero;
@@ -173,6 +171,12 @@ channel MainChannel : BaseChannel {
 	uint32 pub_key_size @minor(1);
 	uint8 host_data[host_size] @as_ptr @zero_terminated;
 	uint8 pub_key_data[pub_key_size] @minor(1) @as_ptr @zero_terminated;
+} @ctype(SpiceMigrationDstInfo);
+
+channel MainChannel : BaseChannel {
+ server:
+     message {
+        DstInfo dst_info;
     } @ctype(SpiceMsgMainMigrationBegin) migrate_begin = 101;
 
     Empty migrate_cancel;