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author | Chuan Zheng <zhengchuan@huawei.com> | 2020-09-15 11:04:01 +0800 |
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committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2020-09-25 12:45:58 +0100 |
commit | 29647140157a4c91d4f80b8e8a633c6aabf579a6 (patch) | |
tree | d096f86274c8f8cf32ab82738b715b4ab1b2a34c /migration | |
parent | 03c7a42d0de6437923188238d4a1278ede0608ef (diff) | |
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migration/tls: add support for multifd tls-handshake
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>
Diffstat (limited to 'migration')
-rw-r--r-- | migration/multifd.c | 77 |
1 files changed, 75 insertions, 2 deletions
diff --git a/migration/multifd.c b/migration/multifd.c index 36d4a40..67e3959 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -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; } |