/* * QEMU live migration via generic fd * * Copyright Red Hat, Inc. 2009-2016 * * Authors: * Chris Lalancette <clalance@redhat.com> * Daniel P. Berrange <berrange@redhat.com> * * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. * * Contributions after 2012-01-13 are licensed under the terms of the * GNU GPL, version 2 or (at your option) any later version. */ #include "qemu/osdep.h" #include "channel.h" #include "fd.h" #include "migration.h" #include "monitor/monitor.h" #include "io/channel-util.h" #include "trace.h" void fd_start_outgoing_migration(MigrationState *s, const char *fdname, Error **errp) { QIOChannel *ioc; int fd = monitor_get_fd(monitor_cur(), fdname, errp); if (fd == -1) { return; } trace_migration_fd_outgoing(fd); ioc = qio_channel_new_fd(fd, errp); if (!ioc) { close(fd); return; } qio_channel_set_name(QIO_CHANNEL(ioc), "migration-fd-outgoing"); migration_channel_connect(s, ioc, NULL, NULL); object_unref(OBJECT(ioc)); } static gboolean fd_accept_incoming_migration(QIOChannel *ioc, GIOCondition condition, gpointer opaque) { migration_channel_process_incoming(ioc); object_unref(OBJECT(ioc)); return G_SOURCE_REMOVE; } void fd_start_incoming_migration(const char *fdname, Error **errp) { QIOChannel *ioc; int fd = monitor_fd_param(monitor_cur(), fdname, errp); if (fd == -1) { return; } trace_migration_fd_incoming(fd); ioc = qio_channel_new_fd(fd, errp); if (!ioc) { close(fd); return; } qio_channel_set_name(QIO_CHANNEL(ioc), "migration-fd-incoming"); qio_channel_add_watch_full(ioc, G_IO_IN, fd_accept_incoming_migration, NULL, NULL, g_main_context_get_thread_default()); }