source: vendor/3.6.0/lib/util/debug_s3.c

/*
   Unix SMB/CIFS implementation.
   Samba utility functions
   Copyright (C) Andrew Bartlett 2011
   Copyright (C) Andrew Tridgell 1992-2002

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "librpc/gen_ndr/messaging.h"
#include "messages.h"

/* This is the Samba3-specific implementation of reopen_logs(), which
 * calls out to the s3 loadparm code, and means that we don't depend
 * on loadparm directly. */

bool reopen_logs(void)
{
        if (lp_loaded()) {
                struct debug_settings settings;
                debug_set_logfile(lp_logfile());

                ZERO_STRUCT(settings);
                settings.max_log_size = lp_max_log_size();
                settings.syslog = lp_syslog();
                settings.syslog_only = lp_syslog_only();
                settings.timestamp_logs = lp_timestamp_logs();
                settings.debug_prefix_timestamp = lp_debug_prefix_timestamp();
                settings.debug_hires_timestamp = lp_debug_hires_timestamp();
                settings.debug_pid = lp_debug_pid();
                settings.debug_uid = lp_debug_uid();
                settings.debug_class = lp_debug_class();
                debug_set_settings(&settings);
        }
        return reopen_logs_internal();
}

/****************************************************************************
 Receive a "set debug level" message.
****************************************************************************/

void debug_message(struct messaging_context *msg_ctx,
                          void *private_data,
                          uint32_t msg_type,
                          struct server_id src,
                          DATA_BLOB *data)
{
        const char *params_str = (const char *)data->data;

        /* Check, it's a proper string! */
        if (params_str[(data->length)-1] != '\0') {
                DEBUG(1, ("Invalid debug message from pid %u to pid %u\n",
                          (unsigned int)procid_to_pid(&src),
                          (unsigned int)getpid()));
                return;
        }

        DEBUG(3, ("INFO: Remote set of debug to `%s'  (pid %u from pid %u)\n",
                  params_str, (unsigned int)getpid(),
                  (unsigned int)procid_to_pid(&src)));

        debug_parse_levels(params_str);
}

/****************************************************************************
 Return current debug level.
****************************************************************************/

static void debuglevel_message(struct messaging_context *msg_ctx,
                               void *private_data, 
                               uint32_t msg_type, 
                               struct server_id src,
                               DATA_BLOB *data)
{
        char *message = debug_list_class_names_and_levels();

        if (!message) {
                DEBUG(0,("debuglevel_message - debug_list_class_names_and_levels returned NULL\n"));
                return;
        }

        DEBUG(1,("INFO: Received REQ_DEBUGLEVEL message from PID %s\n",
                 procid_str_static(&src)));
        messaging_send_buf(msg_ctx, src, MSG_DEBUGLEVEL,
                           (uint8 *)message, strlen(message) + 1);

        TALLOC_FREE(message);
}
void debug_register_msgs(struct messaging_context *msg_ctx)
{
        messaging_register(msg_ctx, NULL, MSG_DEBUG, debug_message);
        messaging_register(msg_ctx, NULL, MSG_REQ_DEBUGLEVEL,
                           debuglevel_message);
}