2008-11-11 17:46:33 +01:00
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/*
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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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2016-04-27 12:05:06 +02:00
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* Copyright Red Hat, Inc. 2015-2016
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2008-11-11 17:46:33 +01:00
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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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2016-04-27 12:05:06 +02:00
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* Daniel P. Berrange <berrange@redhat.com>
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2008-11-11 17:46:33 +01:00
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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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2012-01-13 17:44:23 +01:00
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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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2008-11-11 17:46:33 +01:00
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*/
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2016-01-26 19:16:54 +01:00
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#include "qemu/osdep.h"
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2017-04-17 17:07:04 +02:00
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#include "channel.h"
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2017-04-05 15:54:10 +02:00
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#include "exec.h"
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2018-05-23 11:14:11 +02:00
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#include "migration.h"
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2016-04-27 12:05:06 +02:00
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#include "io/channel-command.h"
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#include "trace.h"
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2023-01-16 02:34:21 +01:00
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#include "qemu/cutils.h"
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2008-11-11 17:46:33 +01:00
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2023-01-16 02:34:21 +01:00
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#ifdef WIN32
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const char *exec_get_cmd_path(void);
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const char *exec_get_cmd_path(void)
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{
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g_autofree char *detected_path = g_new(char, MAX_PATH);
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if (GetSystemDirectoryA(detected_path, MAX_PATH) == 0) {
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warn_report("Could not detect cmd.exe path, using default.");
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return "C:\\Windows\\System32\\cmd.exe";
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}
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pstrcat(detected_path, MAX_PATH, "\\cmd.exe");
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return g_steal_pointer(&detected_path);
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}
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#endif
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2008-11-11 17:46:33 +01:00
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2012-10-02 10:02:46 +02:00
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void exec_start_outgoing_migration(MigrationState *s, const char *command, Error **errp)
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2008-11-11 17:46:33 +01:00
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{
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2016-04-27 12:05:06 +02:00
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QIOChannel *ioc;
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2023-01-16 02:34:21 +01:00
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#ifdef WIN32
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const char *argv[] = { exec_get_cmd_path(), "/c", command, NULL };
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#else
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2016-04-27 12:05:06 +02:00
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const char *argv[] = { "/bin/sh", "-c", command, NULL };
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2023-01-16 02:34:21 +01:00
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#endif
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2016-04-27 12:05:06 +02:00
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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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2017-04-21 13:12:20 +02:00
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O_RDWR,
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2016-04-27 12:05:06 +02:00
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errp));
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if (!ioc) {
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2012-10-02 10:02:46 +02:00
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return;
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2008-11-11 17:46:33 +01:00
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}
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2016-09-30 12:57:14 +02:00
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qio_channel_set_name(ioc, "migration-exec-outgoing");
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2017-12-15 18:16:55 +01:00
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migration_channel_connect(s, ioc, NULL, NULL);
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2016-04-27 12:05:06 +02:00
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object_unref(OBJECT(ioc));
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2008-11-11 17:46:33 +01:00
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}
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2016-04-27 12:05:06 +02:00
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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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2008-11-11 17:46:33 +01:00
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{
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2017-04-17 17:15:02 +02:00
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migration_channel_process_incoming(ioc);
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2016-04-27 12:05:06 +02:00
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object_unref(OBJECT(ioc));
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2017-07-24 12:51:59 +02:00
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return G_SOURCE_REMOVE;
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2009-05-25 16:38:23 +02:00
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}
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2012-10-02 18:21:18 +02:00
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void exec_start_incoming_migration(const char *command, Error **errp)
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2009-05-25 16:38:23 +02:00
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{
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2016-04-27 12:05:06 +02:00
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QIOChannel *ioc;
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2023-01-16 02:34:21 +01:00
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#ifdef WIN32
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const char *argv[] = { exec_get_cmd_path(), "/c", command, NULL };
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#else
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2016-04-27 12:05:06 +02:00
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const char *argv[] = { "/bin/sh", "-c", command, NULL };
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2023-01-16 02:34:21 +01:00
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#endif
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2009-05-25 16:38:23 +02:00
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2016-04-27 12:05:06 +02:00
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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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2017-04-21 13:12:20 +02:00
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O_RDWR,
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2016-04-27 12:05:06 +02:00
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errp));
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if (!ioc) {
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2012-10-02 18:21:18 +02:00
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return;
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2009-05-25 16:38:23 +02:00
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}
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2016-09-30 12:57:14 +02:00
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qio_channel_set_name(ioc, "migration-exec-incoming");
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2018-05-02 12:47:17 +02:00
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qio_channel_add_watch_full(ioc, G_IO_IN,
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exec_accept_incoming_migration,
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NULL, NULL,
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g_main_context_get_thread_default());
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2008-11-11 17:46:33 +01:00
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}
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