1329c9b10SDr. David Alan Gilbert /*
2329c9b10SDr. David Alan Gilbert * QEMU live migration
3329c9b10SDr. David Alan Gilbert *
4329c9b10SDr. David Alan Gilbert * Copyright IBM, Corp. 2008
5329c9b10SDr. David Alan Gilbert * Copyright Dell MessageOne 2008
6527792faSDaniel P. Berrange * Copyright Red Hat, Inc. 2015-2016
7329c9b10SDr. David Alan Gilbert *
8329c9b10SDr. David Alan Gilbert * Authors:
9329c9b10SDr. David Alan Gilbert * Anthony Liguori <aliguori@us.ibm.com>
10329c9b10SDr. David Alan Gilbert * Charles Duffy <charles_duffy@messageone.com>
11527792faSDaniel P. Berrange * Daniel P. Berrange <berrange@redhat.com>
12329c9b10SDr. David Alan Gilbert *
13329c9b10SDr. David Alan Gilbert * This work is licensed under the terms of the GNU GPL, version 2. See
14329c9b10SDr. David Alan Gilbert * the COPYING file in the top-level directory.
15329c9b10SDr. David Alan Gilbert *
16329c9b10SDr. David Alan Gilbert * Contributions after 2012-01-13 are licensed under the terms of the
17329c9b10SDr. David Alan Gilbert * GNU GPL, version 2 or (at your option) any later version.
18329c9b10SDr. David Alan Gilbert */
19329c9b10SDr. David Alan Gilbert
201393a485SPeter Maydell #include "qemu/osdep.h"
21*018d5fb1SSteve Sistare #include "qapi/type-helpers.h"
22cc37d98bSRichard Henderson #include "qemu/error-report.h"
23dd4339c5SJuan Quintela #include "channel.h"
24f4dbe1bfSJuan Quintela #include "exec.h"
250efc9142SJuan Quintela #include "migration.h"
26527792faSDaniel P. Berrange #include "io/channel-command.h"
27527792faSDaniel P. Berrange #include "trace.h"
28c31772adSJohn Berberian, Jr #include "qemu/cutils.h"
29329c9b10SDr. David Alan Gilbert
30c31772adSJohn Berberian, Jr #ifdef WIN32
exec_get_cmd_path(void)31c31772adSJohn Berberian, Jr const char *exec_get_cmd_path(void)
32c31772adSJohn Berberian, Jr {
33c31772adSJohn Berberian, Jr g_autofree char *detected_path = g_new(char, MAX_PATH);
34c31772adSJohn Berberian, Jr if (GetSystemDirectoryA(detected_path, MAX_PATH) == 0) {
35c31772adSJohn Berberian, Jr warn_report("Could not detect cmd.exe path, using default.");
36c31772adSJohn Berberian, Jr return "C:\\Windows\\System32\\cmd.exe";
37c31772adSJohn Berberian, Jr }
38c31772adSJohn Berberian, Jr pstrcat(detected_path, MAX_PATH, "\\cmd.exe");
39c31772adSJohn Berberian, Jr return g_steal_pointer(&detected_path);
40c31772adSJohn Berberian, Jr }
41c31772adSJohn Berberian, Jr #endif
42329c9b10SDr. David Alan Gilbert
exec_start_outgoing_migration(MigrationState * s,strList * command,Error ** errp)43cbab4facSHet Gala void exec_start_outgoing_migration(MigrationState *s, strList *command,
44cbab4facSHet Gala Error **errp)
45329c9b10SDr. David Alan Gilbert {
46*018d5fb1SSteve Sistare QIOChannel *ioc = NULL;
47*018d5fb1SSteve Sistare g_auto(GStrv) argv = strv_from_str_list(command);
48*018d5fb1SSteve Sistare const char * const *args = (const char * const *) argv;
49cbab4facSHet Gala g_autofree char *new_command = g_strjoinv(" ", (char **)argv);
50cbab4facSHet Gala
51cbab4facSHet Gala trace_migration_exec_outgoing(new_command);
52*018d5fb1SSteve Sistare ioc = QIO_CHANNEL(qio_channel_command_new_spawn(args, O_RDWR, errp));
53527792faSDaniel P. Berrange if (!ioc) {
54329c9b10SDr. David Alan Gilbert return;
55329c9b10SDr. David Alan Gilbert }
56329c9b10SDr. David Alan Gilbert
576f01f136SDaniel P. Berrange qio_channel_set_name(ioc, "migration-exec-outgoing");
58688a3dcbSDr. David Alan Gilbert migration_channel_connect(s, ioc, NULL, NULL);
59527792faSDaniel P. Berrange object_unref(OBJECT(ioc));
60329c9b10SDr. David Alan Gilbert }
61329c9b10SDr. David Alan Gilbert
exec_accept_incoming_migration(QIOChannel * ioc,GIOCondition condition,gpointer opaque)62527792faSDaniel P. Berrange static gboolean exec_accept_incoming_migration(QIOChannel *ioc,
63527792faSDaniel P. Berrange GIOCondition condition,
64527792faSDaniel P. Berrange gpointer opaque)
65329c9b10SDr. David Alan Gilbert {
6654314711SJuan Quintela migration_channel_process_incoming(ioc);
67527792faSDaniel P. Berrange object_unref(OBJECT(ioc));
682a543bfdSJuan Quintela return G_SOURCE_REMOVE;
69329c9b10SDr. David Alan Gilbert }
70329c9b10SDr. David Alan Gilbert
exec_start_incoming_migration(strList * command,Error ** errp)71cbab4facSHet Gala void exec_start_incoming_migration(strList *command, Error **errp)
72329c9b10SDr. David Alan Gilbert {
73527792faSDaniel P. Berrange QIOChannel *ioc;
74*018d5fb1SSteve Sistare g_auto(GStrv) argv = strv_from_str_list(command);
75*018d5fb1SSteve Sistare const char * const *args = (const char * const *) argv;
76cbab4facSHet Gala g_autofree char *new_command = g_strjoinv(" ", (char **)argv);
77cbab4facSHet Gala
78cbab4facSHet Gala trace_migration_exec_incoming(new_command);
79*018d5fb1SSteve Sistare ioc = QIO_CHANNEL(qio_channel_command_new_spawn(args, O_RDWR, errp));
80527792faSDaniel P. Berrange if (!ioc) {
81329c9b10SDr. David Alan Gilbert return;
82329c9b10SDr. David Alan Gilbert }
83329c9b10SDr. David Alan Gilbert
846f01f136SDaniel P. Berrange qio_channel_set_name(ioc, "migration-exec-incoming");
85e89f5ff2SPeter Xu qio_channel_add_watch_full(ioc, G_IO_IN,
86527792faSDaniel P. Berrange exec_accept_incoming_migration,
87e89f5ff2SPeter Xu NULL, NULL,
88e89f5ff2SPeter Xu g_main_context_get_thread_default());
89329c9b10SDr. David Alan Gilbert }
90