app_verbose.c

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/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (c) 2004 - 2005 Tilghman Lesher.  All rights reserved.
 *
 * Tilghman Lesher <app_verbose_v001@the-tilghman.com>
 *
 * This code is released by the author with no restrictions on usage.
 *
 * See http://www.asterisk.org for more information about
 * the Asterisk project. Please do not directly contact
 * any of the maintainers of this project for assistance;
 * the project provides a web site, mailing lists and IRC
 * channels for your use.
 *
 */
 
/*! \file
 *
 * \brief Verbose logging application
 *
 * \author Tilghman Lesher <app_verbose_v001@the-tilghman.com>
 *
 * \ingroup applications
 */
 
/*** MODULEINFO
    <support_level>core</support_level>
 ***/
 
#include "asterisk.h"
 
#include "asterisk/module.h"
#include "asterisk/app.h"
#include "asterisk/channel.h"
#include "asterisk/logger.h"
 
static char *app_verbose = "Verbose";
static char *app_log = "Log";
 
/*** DOCUMENTATION
    <application name="Verbose" language="en_US">
        <synopsis>
            Send arbitrary text to verbose output.
        </synopsis>
        <syntax>
            <parameter name="level">
                <para>Must be an integer value.  If not specified, defaults to 0.</para>
            </parameter>
            <parameter name="message" required="true">
                <para>Output text message.</para>
            </parameter>
        </syntax>
        <description>
            <para>Sends an arbitrary text message to verbose output.</para>
        </description>
    </application>
    <application name="Log" language="en_US">
        <synopsis>
            Send arbitrary text to a selected log level.
        </synopsis>
        <syntax>
            <parameter name="level" required="true">
                <para>Level must be one of <literal>ERROR</literal>, <literal>WARNING</literal>, <literal>NOTICE</literal>,
                <literal>DEBUG</literal>, <literal>VERBOSE</literal>, <literal>DTMF</literal>, or
                the name of a custom dynamic logging level.</para>
            </parameter>
            <parameter name="message" required="true">
                <para>Output text message.</para>
            </parameter>
        </syntax>
        <description>
            <para>Sends an arbitrary text message to a selected log level.</para>
        </description>
    </application>
 ***/
 
 
static int verbose_exec(struct ast_channel *chan, const char *data)
{
    unsigned int vsize;
    char *parse;
    AST_DECLARE_APP_ARGS(args,
        AST_APP_ARG(level);
        AST_APP_ARG(msg);
    );
 
    if (ast_strlen_zero(data)) {
        return 0;
    }
 
    parse = ast_strdupa(data);
    AST_STANDARD_APP_ARGS(args, parse);
    if (args.argc == 1) {
        args.msg = args.level;
        args.level = "0";
    }
 
    if (sscanf(args.level, "%30u", &vsize) != 1) {
        vsize = 0;
        ast_log(LOG_WARNING, "'%s' is not a verboser number\n", args.level);
    } else if (4 < vsize) {
        vsize = 4;
    }
 
    ast_verb(vsize, "%s\n", args.msg);
 
    return 0;
}
 
static int log_exec(struct ast_channel *chan, const char *data)
{
    char *parse;
    int lnum = -1;
    char extension[AST_MAX_EXTENSION + 5], context[AST_MAX_EXTENSION + 2];
    AST_DECLARE_APP_ARGS(args,
        AST_APP_ARG(level);
        AST_APP_ARG(msg);
    );
 
    if (ast_strlen_zero(data))
        return 0;
 
    parse = ast_strdupa(data);
    AST_STANDARD_APP_ARGS(args, parse);
 
    if (!strcasecmp(args.level, "ERROR")) {
        lnum = __LOG_ERROR;
    } else if (!strcasecmp(args.level, "WARNING")) {
        lnum = __LOG_WARNING;
    } else if (!strcasecmp(args.level, "NOTICE")) {
        lnum = __LOG_NOTICE;
    } else if (!strcasecmp(args.level, "DEBUG")) {
        lnum = __LOG_DEBUG;
    } else if (!strcasecmp(args.level, "VERBOSE")) {
        lnum = __LOG_VERBOSE;
    } else if (!strcasecmp(args.level, "DTMF")) {
        lnum = __LOG_DTMF;
    } else {
        lnum = ast_logger_get_dynamic_level(args.level);
    }
 
    if (lnum > -1) {
        snprintf(context, sizeof(context), "@ %s", ast_channel_context(chan));
        snprintf(extension, sizeof(extension), "Ext. %s", ast_channel_exten(chan));
 
        ast_log(lnum, extension, ast_channel_priority(chan), context, "%s\n", args.msg);
    } else {
        ast_log(LOG_ERROR, "Unknown log level: '%s'\n", args.level);
        return 0;
    }
 
    return 0;
}
 
static int unload_module(void)
{
    int res;
 
    res = ast_unregister_application(app_verbose);
    res |= ast_unregister_application(app_log);
 
    return res;
}
 
static int load_module(void)
{
    int res;
 
    res = ast_register_application_xml(app_log, log_exec);
    res |= ast_register_application_xml(app_verbose, verbose_exec);
 
    return res;
}
 
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Send verbose output");