[PULL 17/26] migration/tls: save hostname into MigrationState

[Dr. David Alan Gilbert (git)]

From: Chuan Zheng <zhengchuan@huawei.com>

hostname is need in multifd-tls, save hostname into MigrationState.

Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
Signed-off-by: Yan Jin <jinyan12@huawei.com>
Message-Id: <1600139042-104593-2-git-send-email-zhengchuan@huawei.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 migration/channel.c   | 1 +
 migration/migration.c | 1 +
 migration/migration.h | 5 +++++
 migration/tls.c       | 2 ++
 4 files changed, 9 insertions(+)

diff --git a/migration/channel.c b/migration/channel.c
index 20e4c8e2dc..8a783baa0b 100644
--- a/migration/channel.c
+++ b/migration/channel.c
@@ -90,5 +90,6 @@ void migration_channel_connect(MigrationState *s,
         }
     }
     migrate_fd_connect(s, error);
+    g_free(s->hostname);
     error_free(error);
 }
diff --git a/migration/migration.c b/migration/migration.c
index de34c995af..838ca79f57 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1896,6 +1896,7 @@ void migrate_init(MigrationState *s)
     s->migration_thread_running = false;
     error_free(s->error);
     s->error = NULL;
+    s->hostname = NULL;
 
     migrate_set_state(&s->state, MIGRATION_STATUS_NONE, 
MIGRATION_STATUS_SETUP);
 
diff --git a/migration/migration.h b/migration/migration.h
index e74042362d..deb411aaad 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -259,6 +259,11 @@ struct MigrationState
      * (which is in 4M chunk).
      */
     uint8_t clear_bitmap_shift;
+
+    /*
+     * This save hostname when out-going migration starts
+     */
+    char *hostname;
 };
 
 void migrate_set_state(int *state, int old_state, int new_state);
diff --git a/migration/tls.c b/migration/tls.c
index 7a02ec8656..8fbf9ac796 100644
--- a/migration/tls.c
+++ b/migration/tls.c
@@ -154,6 +154,8 @@ void migration_tls_channel_connect(MigrationState *s,
         return;
     }
 
+    /* Save hostname into MigrationState for handshake */
+    s->hostname = g_strdup(hostname);
     trace_migration_tls_outgoing_handshake_start(hostname);
     qio_channel_set_name(QIO_CHANNEL(tioc), "migration-tls-outgoing");
     qio_channel_tls_handshake(tioc,
-- 
2.26.2