nbd: set name for all I/O channels created

Ensure that all I/O channels created for NBD are given names
to distinguish their respective roles.

Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

block/nbd.c

@@ -248,6 +248,7 @@ static QIOChannelSocket *nbd_establish_connection(SocketAddress *saddr,
     Error *local_err = NULL;
 
     sioc = qio_channel_socket_new();
+    qio_channel_set_name(QIO_CHANNEL(sioc), "nbd-client");
 
     qio_channel_socket_connect_sync(sioc,
                                     saddr,

blockdev-nbd.c

@@ -44,6 +44,7 @@ static gboolean nbd_accept(QIOChannel *ioc, GIOCondition condition,
         return TRUE;
     }
 
+    qio_channel_set_name(QIO_CHANNEL(cioc), "nbd-server");
     nbd_client_new(NULL, cioc,
                    nbd_server->tlscreds, NULL,
                    nbd_client_put);
@@ -111,6 +112,8 @@ void qmp_nbd_server_start(SocketAddress *addr,
     nbd_server = g_new0(NBDServerData, 1);
     nbd_server->watch = -1;
     nbd_server->listen_ioc = qio_channel_socket_new();
+    qio_channel_set_name(QIO_CHANNEL(nbd_server->listen_ioc),
+                         "nbd-listener");
     if (qio_channel_socket_listen_sync(
             nbd_server->listen_ioc, addr, errp) < 0) {
         goto error;

nbd/client.c

@@ -387,6 +387,7 @@ static QIOChannel *nbd_receive_starttls(QIOChannel *ioc,
     if (!tioc) {
         return NULL;
     }
+    qio_channel_set_name(QIO_CHANNEL(tioc), "nbd-client-tls");
     data.loop = g_main_loop_new(g_main_context_default(), FALSE);
     TRACE("Starting TLS handshake");
     qio_channel_tls_handshake(tioc,

nbd/server.c

@@ -349,6 +349,7 @@ static QIOChannel *nbd_negotiate_handle_starttls(NBDClient *client,
         return NULL;
     }
 
+    qio_channel_set_name(QIO_CHANNEL(tioc), "nbd-server-tls");
     TRACE("Starting TLS handshake");
     data.loop = g_main_loop_new(g_main_context_default(), FALSE);
     qio_channel_tls_handshake(tioc,