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migration/tls: add support for multifd tls-handshake

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Similar like migration main thread, we need to do handshake
for each multifd thread.

Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
Signed-off-by: Yan Jin <jinyan12@huawei.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <1600139042-104593-6-git-send-email-zhengchuan@huawei.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Chuan Zheng 2020-09-15 11:04:01 +08:00 committed by Dr. David Alan Gilbert
parent 03c7a42d0d
commit 2964714015
1 changed files with 75 additions and 2 deletions
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77
migration/multifd.c
View File

@ -20,6 +20,7 @@
#include "ram.h"
#include "migration.h"
#include "socket.h"
#include "tls.h"
#include "qemu-file.h"
#include "trace.h"
#include "multifd.h"
@ -719,6 +720,77 @@ out:
return NULL;
}
static bool multifd_channel_connect(MultiFDSendParams *p,
QIOChannel *ioc,
Error *error);
static void multifd_tls_outgoing_handshake(QIOTask *task,
gpointer opaque)
{
MultiFDSendParams *p = opaque;
QIOChannel *ioc = QIO_CHANNEL(qio_task_get_source(task));
Error *err = NULL;
qio_task_propagate_error(task, &err);
multifd_channel_connect(p, ioc, err);
}
static void multifd_tls_channel_connect(MultiFDSendParams *p,
QIOChannel *ioc,
Error **errp)
{
MigrationState *s = migrate_get_current();
const char *hostname = p->tls_hostname;
QIOChannelTLS *tioc;
tioc = migration_tls_client_create(s, ioc, hostname, errp);
if (!tioc) {
return;
}
qio_channel_set_name(QIO_CHANNEL(tioc), "multifd-tls-outgoing");
qio_channel_tls_handshake(tioc,
multifd_tls_outgoing_handshake,
p,
NULL,
NULL);
}
static bool multifd_channel_connect(MultiFDSendParams *p,
QIOChannel *ioc,
Error *error)
{
MigrationState *s = migrate_get_current();
if (!error) {
if (s->parameters.tls_creds &&
*s->parameters.tls_creds &&
!object_dynamic_cast(OBJECT(ioc),
TYPE_QIO_CHANNEL_TLS)) {
multifd_tls_channel_connect(p, ioc, &error);
if (!error) {
/*
* tls_channel_connect will call back to this
* function after the TLS handshake,
* so we mustn't call multifd_send_thread until then
*/
return false;
} else {
return true;
}
} else {
/* update for tls qio channel */
p->c = ioc;
qemu_thread_create(&p->thread, p->name, multifd_send_thread, p,
QEMU_THREAD_JOINABLE);
}
return false;
}
return true;
}
static void multifd_new_send_channel_cleanup(MultiFDSendParams *p,
QIOChannel *ioc, Error *err)
{
@ -749,8 +821,9 @@ static void multifd_new_send_channel_async(QIOTask *task, gpointer opaque)
p->c = QIO_CHANNEL(sioc);
qio_channel_set_delay(p->c, false);
p->running = true;
qemu_thread_create(&p->thread, p->name, multifd_send_thread, p,
QEMU_THREAD_JOINABLE);
if (multifd_channel_connect(p, sioc, local_err)) {
goto cleanup;
}
return;
}