tests: Add a tester for HMP commands
[qemu.git] / qapi / qmp-registry.c
1 /*
2 * Core Definitions for QAPI/QMP Dispatch
3 *
4 * Copyright IBM, Corp. 2011
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 * Michael Roth <mdroth@us.ibm.com>
9 *
10 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
11 * See the COPYING.LIB file in the top-level directory.
12 *
13 */
14
15 #include "qemu/osdep.h"
16 #include "qapi/qmp/dispatch.h"
17
18 void qmp_register_command(QmpCommandList *cmds, const char *name,
19 QmpCommandFunc *fn, QmpCommandOptions options)
20 {
21 QmpCommand *cmd = g_malloc0(sizeof(*cmd));
22
23 cmd->name = name;
24 cmd->fn = fn;
25 cmd->enabled = true;
26 cmd->options = options;
27 QTAILQ_INSERT_TAIL(cmds, cmd, node);
28 }
29
30 void qmp_unregister_command(QmpCommandList *cmds, const char *name)
31 {
32 QmpCommand *cmd = qmp_find_command(cmds, name);
33
34 QTAILQ_REMOVE(cmds, cmd, node);
35 g_free(cmd);
36 }
37
38 QmpCommand *qmp_find_command(QmpCommandList *cmds, const char *name)
39 {
40 QmpCommand *cmd;
41
42 QTAILQ_FOREACH(cmd, cmds, node) {
43 if (strcmp(cmd->name, name) == 0) {
44 return cmd;
45 }
46 }
47 return NULL;
48 }
49
50 static void qmp_toggle_command(QmpCommandList *cmds, const char *name,
51 bool enabled)
52 {
53 QmpCommand *cmd;
54
55 QTAILQ_FOREACH(cmd, cmds, node) {
56 if (strcmp(cmd->name, name) == 0) {
57 cmd->enabled = enabled;
58 return;
59 }
60 }
61 }
62
63 void qmp_disable_command(QmpCommandList *cmds, const char *name)
64 {
65 qmp_toggle_command(cmds, name, false);
66 }
67
68 void qmp_enable_command(QmpCommandList *cmds, const char *name)
69 {
70 qmp_toggle_command(cmds, name, true);
71 }
72
73 bool qmp_command_is_enabled(const QmpCommand *cmd)
74 {
75 return cmd->enabled;
76 }
77
78 const char *qmp_command_name(const QmpCommand *cmd)
79 {
80 return cmd->name;
81 }
82
83 bool qmp_has_success_response(const QmpCommand *cmd)
84 {
85 return !(cmd->options & QCO_NO_SUCCESS_RESP);
86 }
87
88 void qmp_for_each_command(QmpCommandList *cmds, qmp_cmd_callback_fn fn,
89 void *opaque)
90 {
91 QmpCommand *cmd;
92
93 QTAILQ_FOREACH(cmd, cmds, node) {
94 fn(cmd, opaque);
95 }
96 }