qemu/qga/commands.c

   1 /*
   2  * QEMU Guest Agent common/cross-platform command implementations
   3  *
   4  * Copyright IBM Corp. 2012
   5  *
   6  * Authors:
   7  *  Michael Roth      <mdroth@linux.vnet.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include <glib.h>
  14 #include "qga/guest-agent-core.h"
  15 #include "qga-qmp-commands.h"
  16 #include "qapi/qmp/qerror.h"
  17
  18 /* Note: in some situations, like with the fsfreeze, logging may be
  19  * temporarilly disabled. if it is necessary that a command be able
  20  * to log for accounting purposes, check ga_logging_enabled() beforehand,
  21  * and use the QERR_QGA_LOGGING_DISABLED to generate an error
  22  */
  23 void slog(const gchar *fmt, ...)
  24 {
  25     va_list ap;
  26
  27     va_start(ap, fmt);
  28     g_logv("syslog", G_LOG_LEVEL_INFO, fmt, ap);
  29     va_end(ap);
  30 }
  31
  32 int64_t qmp_guest_sync_delimited(int64_t id, Error **errp)
  33 {
  34     ga_set_response_delimited(ga_state);
  35     return id;
  36 }
  37
  38 int64_t qmp_guest_sync(int64_t id, Error **errp)
  39 {
  40     return id;
  41 }
  42
  43 void qmp_guest_ping(Error **errp)
  44 {
  45     slog("guest-ping called");
  46 }
  47
  48 static void qmp_command_info(QmpCommand *cmd, void *opaque)
  49 {
  50     GuestAgentInfo *info = opaque;
  51     GuestAgentCommandInfo *cmd_info;
  52     GuestAgentCommandInfoList *cmd_info_list;
  53
  54     cmd_info = g_malloc0(sizeof(GuestAgentCommandInfo));
  55     cmd_info->name = g_strdup(qmp_command_name(cmd));
  56     cmd_info->enabled = qmp_command_is_enabled(cmd);
  57     cmd_info->success_response = qmp_has_success_response(cmd);
  58
  59     cmd_info_list = g_malloc0(sizeof(GuestAgentCommandInfoList));
  60     cmd_info_list->value = cmd_info;
  61     cmd_info_list->next = info->supported_commands;
  62     info->supported_commands = cmd_info_list;
  63 }
  64
  65 struct GuestAgentInfo *qmp_guest_info(Error **errp)
  66 {
  67     GuestAgentInfo *info = g_malloc0(sizeof(GuestAgentInfo));
  68
  69     info->version = g_strdup(QEMU_VERSION);
  70     qmp_for_each_command(qmp_command_info, info);
  71     return info;
  72 }