[PATCH v3 1/6] migration/tls: save hostname into MigrationState

[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>
---
 migration/channel.c   | 6 ++++++
 migration/migration.c | 1 +
 migration/migration.h | 5 +++++
 3 files changed, 12 insertions(+)

diff --git a/migration/channel.c b/migration/channel.c
index 20e4c8e..0e4104a 100644
--- a/migration/channel.c
+++ b/migration/channel.c
@@ -66,6 +66,11 @@ void migration_channel_connect(MigrationState *s,
     trace_migration_set_outgoing_channel(
         ioc, object_get_typename(OBJECT(ioc)), hostname, error);
 
+    /* Save hostname into MigrationState for handshake */
+    if (hostname) {
+        s->hostname = g_strdup(hostname);
+    }
+
     if (!error) {
         if (s->parameters.tls_creds &&
             *s->parameters.tls_creds &&
@@ -90,5 +95,6 @@ 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 58a5452..e20b778 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1883,6 +1883,7 @@ 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 bdc7450..bc96322 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);
-- 
1.8.3.1