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io: change the QIOTask callback signature

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Currently the QIOTaskFunc signature takes an Object * for
the source, and an Error * for any error. We also need to
be able to provide a result pointer. Rather than continue
to add parameters to QIOTaskFunc, remove the existing
ones and simply pass the QIOTask object instead. This
has methods to access all the other data items required
in the callback impl.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2016-08-11 15:20:58 +01:00
parent 1a447e4f02
commit 60e705c51c
15 changed files with 110 additions and 112 deletions
Download patch file Download diff file Expand all files Collapse all files

19
migration/tls.c
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@ -61,15 +61,15 @@ migration_tls_get_creds(MigrationState *s,
}
static void migration_tls_incoming_handshake(Object *src,
Error *err,
static void migration_tls_incoming_handshake(QIOTask *task,
gpointer opaque)
{
QIOChannel *ioc = QIO_CHANNEL(src);
QIOChannel *ioc = QIO_CHANNEL(qio_task_get_source(task));
Error *err = NULL;
if (err) {
if (qio_task_propagate_error(task, &err)) {
trace_migration_tls_incoming_handshake_error(error_get_pretty(err));
error_report("%s", error_get_pretty(err));
error_report_err(err);
} else {
trace_migration_tls_incoming_handshake_complete();
migration_channel_process_incoming(migrate_get_current(), ioc);
@ -107,17 +107,18 @@ void migration_tls_channel_process_incoming(MigrationState *s,
}
static void migration_tls_outgoing_handshake(Object *src,
Error *err,
static void migration_tls_outgoing_handshake(QIOTask *task,
gpointer opaque)
{
MigrationState *s = opaque;
QIOChannel *ioc = QIO_CHANNEL(src);
QIOChannel *ioc = QIO_CHANNEL(qio_task_get_source(task));
Error *err = NULL;
if (err) {
if (qio_task_propagate_error(task, &err)) {
trace_migration_tls_outgoing_handshake_error(error_get_pretty(err));
s->to_dst_file = NULL;
migrate_fd_error(s, err);
error_free(err);
} else {
trace_migration_tls_outgoing_handshake_complete();
migration_channel_connect(s, ioc, NULL);