/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * Copyright (C) 2003 Imendio AB

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation; either version 2 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this program; if not, see <https://www.gnu.org/licenses>

 */

#include "lm-debug.h"

#ifndef LM_NO_DEBUG

static LmLogLevelFlags debug_flags = 0;

static gboolean initialized = FALSE;

static const GDebugKey debug_keys[] = {

    {"VERBOSE",      LM_LOG_LEVEL_VERBOSE},

    {"NET",          LM_LOG_LEVEL_NET},

    {"PARSER",       LM_LOG_LEVEL_PARSER},

    {"SSL",          LM_LOG_LEVEL_SSL},

    {"SASL",         LM_LOG_LEVEL_SASL},

    {"ALL",          LM_LOG_LEVEL_ALL}

};

#define NUM_DEBUG_KEYS (sizeof (debug_keys) / sizeof (GDebugKey))

static void

debug_log_handler (const gchar    *log_domain,

                   GLogLevelFlags  log_level,

                   const gchar    *message,

                   gpointer        user_data)

{

    if (debug_flags & log_level) {

        if (log_level & LM_LOG_LEVEL_VERBOSE) {

            g_print ("*** ");

        }

        else if (log_level & LM_LOG_LEVEL_PARSER) {

            g_print ("LM-PARSER: ");

        }

        else if (log_level & LM_LOG_LEVEL_SASL) {

            g_print ("LM-SASL: ");

        }

        else if (log_level & LM_LOG_LEVEL_SSL) {

            g_print ("LM-SSL: ");

        }

        g_print ("%s", message);

    }

}

/**

 * lm_debug_init

 *

 * Initialized the debug system.

 **/

void

lm_debug_init (void)

{

    const gchar *env_lm_debug;

    if (initialized) {

        return;

    }

    env_lm_debug = g_getenv ("LM_DEBUG");

    if (env_lm_debug) {

        debug_flags = g_parse_debug_string (env_lm_debug, debug_keys,

                                            NUM_DEBUG_KEYS);

    }

    g_log_set_handler (LM_LOG_DOMAIN, LM_LOG_LEVEL_ALL,

                       debug_log_handler, NULL);

    initialized = TRUE;

}

#else  /* LM_NO_DEBUG */

static void

do_nothing_log_handler (const gchar    *log_domain,

                        GLogLevelFlags  log_level,

                        const gchar    *message,

                        gpointer        user_data)

{

}

void

lm_debug_init (void)

{

    g_log_set_handler (LM_LOG_DOMAIN, LM_LOG_LEVEL_ALL,

                       do_nothing_log_handler, NULL);

}

#endif /* LM_NO_DEBUG */