qtest: use synchronous I/O for char device

[qemu.git] / qga / commands.c

/*
 * QEMU Guest Agent common/cross-platform command implementations
 *
 * Copyright IBM Corp. 2012
 *
 * Authors:
 *  Michael Roth      <[email protected]>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#include <glib.h>
#include "qga/guest-agent-core.h"
#include "qga-qmp-commands.h"
#include "qapi/qmp/qerror.h"

/* Note: in some situations, like with the fsfreeze, logging may be
 * temporarilly disabled. if it is necessary that a command be able
 * to log for accounting purposes, check ga_logging_enabled() beforehand,
 * and use the QERR_QGA_LOGGING_DISABLED to generate an error
 */
void slog(const gchar *fmt, ...)
{
    va_list ap;

    va_start(ap, fmt);
    g_logv("syslog", G_LOG_LEVEL_INFO, fmt, ap);
    va_end(ap);
}

int64_t qmp_guest_sync_delimited(int64_t id, Error **errp)
{
    ga_set_response_delimited(ga_state);
    return id;
}

int64_t qmp_guest_sync(int64_t id, Error **errp)
{
    return id;
}

void qmp_guest_ping(Error **err)
{
    slog("guest-ping called");
}

struct GuestAgentInfo *qmp_guest_info(Error **err)
{
    GuestAgentInfo *info = g_malloc0(sizeof(GuestAgentInfo));
    GuestAgentCommandInfo *cmd_info;
    GuestAgentCommandInfoList *cmd_info_list;
    char **cmd_list_head, **cmd_list;

    info->version = g_strdup(QEMU_VERSION);

    cmd_list_head = cmd_list = qmp_get_command_list();
    if (*cmd_list_head == NULL) {
        goto out;
    }

    while (*cmd_list) {
        cmd_info = g_malloc0(sizeof(GuestAgentCommandInfo));
        cmd_info->name = g_strdup(*cmd_list);
        cmd_info->enabled = qmp_command_is_enabled(cmd_info->name);

        cmd_info_list = g_malloc0(sizeof(GuestAgentCommandInfoList));
        cmd_info_list->value = cmd_info;
        cmd_info_list->next = info->supported_commands;
        info->supported_commands = cmd_info_list;

        g_free(*cmd_list);
        cmd_list++;
    }

out:
    g_free(cmd_list_head);
    return info;
}