qemu/migration/file.c

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/*
* Copyright (c) 2021-2023 Oracle and/or its affiliates.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "channel.h"
#include "file.h"
#include "migration.h"
#include "io/channel-file.h"
#include "io/channel-util.h"
#include "trace.h"
void file_start_outgoing_migration(MigrationState *s, const char *filename,
Error **errp)
{
g_autoptr(QIOChannelFile) fioc = NULL;
QIOChannel *ioc;
trace_migration_file_outgoing(filename);
fioc = qio_channel_file_new_path(filename, O_CREAT | O_WRONLY | O_TRUNC,
0600, errp);
if (!fioc) {
return;
}
ioc = QIO_CHANNEL(fioc);
qio_channel_set_name(ioc, "migration-file-outgoing");
migration_channel_connect(s, ioc, NULL, NULL);
}
static gboolean file_accept_incoming_migration(QIOChannel *ioc,
GIOCondition condition,
gpointer opaque)
{
migration_channel_process_incoming(ioc);
object_unref(OBJECT(ioc));
return G_SOURCE_REMOVE;
}
void file_start_incoming_migration(const char *filename, Error **errp)
{
QIOChannelFile *fioc = NULL;
QIOChannel *ioc;
trace_migration_file_incoming(filename);
fioc = qio_channel_file_new_path(filename, O_RDONLY, 0, errp);
if (!fioc) {
return;
}
ioc = QIO_CHANNEL(fioc);
qio_channel_set_name(QIO_CHANNEL(ioc), "migration-file-incoming");
qio_channel_add_watch_full(ioc, G_IO_IN,
file_accept_incoming_migration,
NULL, NULL,
g_main_context_get_thread_default());
}