LXR qemu/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 <glib.h>
  16#include <string.h>
  17#include "qapi/qmp/dispatch.h"
  18
  19static QTAILQ_HEAD(QmpCommandList, QmpCommand) qmp_commands =
  20    QTAILQ_HEAD_INITIALIZER(qmp_commands);
  21
  22void qmp_register_command(const char *name, QmpCommandFunc *fn,
  23                          QmpCommandOptions options)
  24{
  25    QmpCommand *cmd = g_malloc0(sizeof(*cmd));
  26
  27    cmd->name = name;
  28    cmd->type = QCT_NORMAL;
  29    cmd->fn = fn;
  30    cmd->enabled = true;
  31    cmd->options = options;
  32    QTAILQ_INSERT_TAIL(&qmp_commands, cmd, node);
  33}
  34
  35QmpCommand *qmp_find_command(const char *name)
  36{
  37    QmpCommand *cmd;
  38
  39    QTAILQ_FOREACH(cmd, &qmp_commands, node) {
  40        if (strcmp(cmd->name, name) == 0) {
  41            return cmd;
  42        }
  43    }
  44    return NULL;
  45}
  46
  47static void qmp_toggle_command(const char *name, bool enabled)
  48{
  49    QmpCommand *cmd;
  50
  51    QTAILQ_FOREACH(cmd, &qmp_commands, node) {
  52        if (strcmp(cmd->name, name) == 0) {
  53            cmd->enabled = enabled;
  54            return;
  55        }
  56    }
  57}
  58
  59void qmp_disable_command(const char *name)
  60{
  61    qmp_toggle_command(name, false);
  62}
  63
  64void qmp_enable_command(const char *name)
  65{
  66    qmp_toggle_command(name, true);
  67}
  68
  69bool qmp_command_is_enabled(const char *name)
  70{
  71    QmpCommand *cmd;
  72
  73    QTAILQ_FOREACH(cmd, &qmp_commands, node) {
  74        if (strcmp(cmd->name, name) == 0) {
  75            return cmd->enabled;
  76        }
  77    }
  78
  79    return false;
  80}
  81
  82char **qmp_get_command_list(void)
  83{
  84    QmpCommand *cmd;
  85    int count = 1;
  86    char **list_head, **list;
  87
  88    QTAILQ_FOREACH(cmd, &qmp_commands, node) {
  89        count++;
  90    }
  91
  92    list_head = list = g_malloc0(count * sizeof(char *));
  93
  94    QTAILQ_FOREACH(cmd, &qmp_commands, node) {
  95        *list = g_strdup(cmd->name);
  96        list++;
  97    }
  98
  99    return list_head;
 100}
 101