From bdd847a026974634d636e65c4e00cd890cb6099d Mon Sep 17 00:00:00 2001 From: "Daniel P. Berrange" Date: Mon, 12 Mar 2018 14:17:14 +0000 Subject: migration: convert socket server to QIONetListener Instead of creating a QIOChannelSocket directly for the migration server socket, use a QIONetListener. This provides the ability to listen on multiple sockets at the same time, so enables full support for IPv4/IPv6 dual stack. For example, '$QEMU -incoming tcp::9000' now correctly listens on both 0.0.0.0 and :: at the same time, instead of only on 0.0.0.0. Signed-off-by: Daniel P. Berrange Message-Id: <20180312141714.7223-1-berrange@redhat.com> Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Dr. David Alan Gilbert --- migration/socket.c | 48 ++++++++++++++++-------------------------------- 1 file changed, 16 insertions(+), 32 deletions(-) diff --git a/migration/socket.c b/migration/socket.c index 8a93fb1af5..122d8ccfbe 100644 --- a/migration/socket.c +++ b/migration/socket.c @@ -24,6 +24,7 @@ #include "migration.h" #include "qemu-file.h" #include "io/channel-socket.h" +#include "io/net-listener.h" #include "trace.h" @@ -129,34 +130,20 @@ void unix_start_outgoing_migration(MigrationState *s, } -static gboolean socket_accept_incoming_migration(QIOChannel *ioc, - GIOCondition condition, - gpointer opaque) +static void socket_accept_incoming_migration(QIONetListener *listener, + QIOChannelSocket *cioc, + gpointer opaque) { - QIOChannelSocket *sioc; - Error *err = NULL; - - sioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(ioc), - &err); - if (!sioc) { - error_report("could not accept migration connection (%s)", - error_get_pretty(err)); - goto out; - } - trace_migration_socket_incoming_accepted(); - qio_channel_set_name(QIO_CHANNEL(sioc), "migration-socket-incoming"); - migration_channel_process_incoming(QIO_CHANNEL(sioc)); - object_unref(OBJECT(sioc)); + qio_channel_set_name(QIO_CHANNEL(cioc), "migration-socket-incoming"); + migration_channel_process_incoming(QIO_CHANNEL(cioc)); -out: if (migration_has_all_channels()) { /* Close listening socket as its no longer needed */ - qio_channel_close(ioc, NULL); - return G_SOURCE_REMOVE; - } else { - return G_SOURCE_CONTINUE; + qio_net_listener_disconnect(listener); + + object_unref(OBJECT(listener)); } } @@ -164,21 +151,18 @@ out: static void socket_start_incoming_migration(SocketAddress *saddr, Error **errp) { - QIOChannelSocket *listen_ioc = qio_channel_socket_new(); + QIONetListener *listener = qio_net_listener_new(); - qio_channel_set_name(QIO_CHANNEL(listen_ioc), - "migration-socket-listener"); + qio_net_listener_set_name(listener, "migration-socket-listener"); - if (qio_channel_socket_listen_sync(listen_ioc, saddr, errp) < 0) { - object_unref(OBJECT(listen_ioc)); + if (qio_net_listener_open_sync(listener, saddr, errp) < 0) { + object_unref(OBJECT(listener)); return; } - qio_channel_add_watch(QIO_CHANNEL(listen_ioc), - G_IO_IN, - socket_accept_incoming_migration, - listen_ioc, - (GDestroyNotify)object_unref); + qio_net_listener_set_client_func(listener, + socket_accept_incoming_migration, + NULL, NULL); } void tcp_start_incoming_migration(const char *host_port, Error **errp) -- cgit v1.2.1