84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
|
|
* QEMU live migration channel operations
|
|
*
|
|
* Copyright Red Hat, Inc. 2016
|
|
*
|
|
* Authors:
|
|
* Daniel P. Berrange <berrange@redhat.com>
|
|
*
|
|
* 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 "tls.h"
|
|
#include "migration.h"
|
|
#include "qemu-file-channel.h"
|
|
#include "trace.h"
|
|
#include "qapi/error.h"
|
|
#include "io/channel-tls.h"
|
|
|
|
/**
|
|
* @migration_channel_process_incoming - Create new incoming migration channel
|
|
*
|
|
* Notice that TLS is special. For it we listen in a listener socket,
|
|
* and then create a new client socket from the TLS library.
|
|
*
|
|
* @ioc: Channel to which we are connecting
|
|
*/
|
|
void migration_channel_process_incoming(QIOChannel *ioc)
|
|
{
|
|
MigrationState *s = migrate_get_current();
|
|
|
|
trace_migration_set_incoming_channel(
|
|
ioc, object_get_typename(OBJECT(ioc)));
|
|
|
|
if (s->parameters.tls_creds &&
|
|
*s->parameters.tls_creds &&
|
|
!object_dynamic_cast(OBJECT(ioc),
|
|
TYPE_QIO_CHANNEL_TLS)) {
|
|
Error *local_err = NULL;
|
|
migration_tls_channel_process_incoming(s, ioc, &local_err);
|
|
if (local_err) {
|
|
error_report_err(local_err);
|
|
}
|
|
} else {
|
|
migration_ioc_process_incoming(ioc);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @migration_channel_connect - Create new outgoing migration channel
|
|
*
|
|
* @s: Current migration state
|
|
* @ioc: Channel to which we are connecting
|
|
* @hostname: Where we want to connect
|
|
*/
|
|
void migration_channel_connect(MigrationState *s,
|
|
QIOChannel *ioc,
|
|
const char *hostname)
|
|
{
|
|
trace_migration_set_outgoing_channel(
|
|
ioc, object_get_typename(OBJECT(ioc)), hostname);
|
|
|
|
if (s->parameters.tls_creds &&
|
|
*s->parameters.tls_creds &&
|
|
!object_dynamic_cast(OBJECT(ioc),
|
|
TYPE_QIO_CHANNEL_TLS)) {
|
|
Error *local_err = NULL;
|
|
migration_tls_channel_connect(s, ioc, hostname, &local_err);
|
|
if (local_err) {
|
|
migrate_fd_error(s, local_err);
|
|
error_free(local_err);
|
|
}
|
|
} else {
|
|
QEMUFile *f = qemu_fopen_channel_output(ioc);
|
|
|
|
s->to_dst_file = f;
|
|
|
|
migrate_fd_connect(s);
|
|
}
|
|
}
|