mirror of https://gitee.com/openkylin/qemu.git
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/*
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* QEMU live migration
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*
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* Copyright IBM, Corp. 2008
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* Copyright Dell MessageOne 2008
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* Copyright Red Hat, Inc. 2015-2016
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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* Charles Duffy <charles_duffy@messageone.com>
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* Daniel P. Berrange <berrange@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#include "qemu/osdep.h"
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#include "channel.h"
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#include "exec.h"
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#include "io/channel-command.h"
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#include "trace.h"
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void exec_start_outgoing_migration(MigrationState *s, const char *command, Error **errp)
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{
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QIOChannel *ioc;
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const char *argv[] = { "/bin/sh", "-c", command, NULL };
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trace_migration_exec_outgoing(command);
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ioc = QIO_CHANNEL(qio_channel_command_new_spawn(argv,
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O_RDWR,
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errp));
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if (!ioc) {
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return;
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}
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qio_channel_set_name(ioc, "migration-exec-outgoing");
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migration_channel_connect(s, ioc, NULL, NULL);
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object_unref(OBJECT(ioc));
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}
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static gboolean exec_accept_incoming_migration(QIOChannel *ioc,
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GIOCondition condition,
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gpointer opaque)
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{
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migration_channel_process_incoming(ioc);
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object_unref(OBJECT(ioc));
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return G_SOURCE_REMOVE;
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}
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void exec_start_incoming_migration(const char *command, Error **errp)
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{
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QIOChannel *ioc;
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const char *argv[] = { "/bin/sh", "-c", command, NULL };
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trace_migration_exec_incoming(command);
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ioc = QIO_CHANNEL(qio_channel_command_new_spawn(argv,
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O_RDWR,
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errp));
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if (!ioc) {
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return;
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}
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qio_channel_set_name(ioc, "migration-exec-incoming");
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qio_channel_add_watch(ioc,
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G_IO_IN,
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exec_accept_incoming_migration,
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NULL,
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NULL);
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}
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