1 /* 2 * QEMU live migration channel operations 3 * 4 * Copyright Red Hat, Inc. 2016 5 * 6 * Authors: 7 * Daniel P. Berrange <berrange@redhat.com> 8 * 9 * Contributions after 2012-01-13 are licensed under the terms of the 10 * GNU GPL, version 2 or (at your option) any later version. 11 */ 12 13 #include "qemu/osdep.h" 14 #include "channel.h" 15 #include "tls.h" 16 #include "migration/migration.h" 17 #include "qemu-file-channel.h" 18 #include "trace.h" 19 #include "qapi/error.h" 20 #include "io/channel-tls.h" 21 22 void migration_channel_process_incoming(MigrationState *s, 23 QIOChannel *ioc) 24 { 25 trace_migration_set_incoming_channel( 26 ioc, object_get_typename(OBJECT(ioc))); 27 28 if (s->parameters.tls_creds && 29 *s->parameters.tls_creds && 30 !object_dynamic_cast(OBJECT(ioc), 31 TYPE_QIO_CHANNEL_TLS)) { 32 Error *local_err = NULL; 33 migration_tls_channel_process_incoming(s, ioc, &local_err); 34 if (local_err) { 35 error_report_err(local_err); 36 } 37 } else { 38 QEMUFile *f = qemu_fopen_channel_input(ioc); 39 migration_fd_process_incoming(f); 40 } 41 } 42 43 44 void migration_channel_connect(MigrationState *s, 45 QIOChannel *ioc, 46 const char *hostname) 47 { 48 trace_migration_set_outgoing_channel( 49 ioc, object_get_typename(OBJECT(ioc)), hostname); 50 51 if (s->parameters.tls_creds && 52 *s->parameters.tls_creds && 53 !object_dynamic_cast(OBJECT(ioc), 54 TYPE_QIO_CHANNEL_TLS)) { 55 Error *local_err = NULL; 56 migration_tls_channel_connect(s, ioc, hostname, &local_err); 57 if (local_err) { 58 migrate_fd_error(s, local_err); 59 error_free(local_err); 60 } 61 } else { 62 QEMUFile *f = qemu_fopen_channel_output(ioc); 63 64 s->to_dst_file = f; 65 66 migrate_fd_connect(s); 67 } 68 } 69