[Qemu-devel] [PATCH 4/4] migration: add support to print migration info on incoming side.

[Yoshiaki Tamura]

Set current_migration after calling tcp_star_incoming_migration().  On
incoming side, we don't have to print remaining rams, so introduce
incoming flag to switch messages.

Signed-off-by: Yoshiaki Tamura <tamura.yoshi...@lab.ntt.co.jp>
---
 migration.c |   18 ++++++++++++++----
 1 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/migration.c b/migration.c
index 706fe55..9b6aa28 100644
--- a/migration.c
+++ b/migration.c
@@ -36,12 +36,14 @@ static uint32_t max_throttle = (32 << 20);
 
 static MigrationState *current_migration;
 
+static int incoming;
+
 void qemu_start_incoming_migration(const char *uri)
 {
     const char *p;
 
     if (strstart(uri, "tcp:", &p))
-        tcp_start_incoming_migration(p);
+        current_migration = tcp_start_incoming_migration(p);
 #if !defined(WIN32)
     else if (strstart(uri, "exec:", &p))
         exec_start_incoming_migration(p);
@@ -50,8 +52,12 @@ void qemu_start_incoming_migration(const char *uri)
     else if (strstart(uri, "fd:", &p))
         fd_start_incoming_migration(p);
 #endif
-    else
+    else {
         fprintf(stderr, "unknown migration protocol: %s\n", uri);
+        return;
+    }
+
+    incoming = 1;
 }
 
 int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
@@ -162,8 +168,12 @@ static void migrate_print_status(Monitor *mon, const char 
*name,
 
     monitor_printf(mon, "transferred %s: %" PRIu64 " kbytes\n", name,
                         qdict_get_int(qdict, "transferred") >> 10);
-    monitor_printf(mon, "remaining %s: %" PRIu64 " kbytes\n", name,
-                        qdict_get_int(qdict, "remaining") >> 10);
+    if (incoming) {
+        monitor_printf(mon, "remaining %s: n/a\n", name);
+    } else {
+        monitor_printf(mon, "remaining %s: %" PRIu64 " kbytes\n", name,
+                            qdict_get_int(qdict, "remaining") >> 10);
+    }
     monitor_printf(mon, "total %s: %" PRIu64 " kbytes\n", name,
                         qdict_get_int(qdict, "total") >> 10);
 }
-- 
1.7.0.31.g1df487