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  •  * Asterisk -- An open source telephony toolkit.
    
     * Copyright (C) 2004 - 2005, Anthony Minessale II.
    
     *
     * Anthony Minessale <anthmct@yahoo.com>
     *
    
     * A license has been granted to Digium (via disclaimer) for the use of
     * this code.
    
     *
     * 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.
     *
    
     * This program is free software, distributed under the terms of
    
     * the GNU General Public License Version 2. See the LICENSE file
     * at the top of the source tree.
     */
    
    
     * \brief Application to dump channel variables
    
     *
     * \author Anthony Minessale <anthmct@yahoo.com>
     *
    
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     * \ingroup applications
    
    #include "asterisk.h"
    
    ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
    
    
    #include "asterisk/pbx.h"
    #include "asterisk/module.h"
    
    
    static char *app = "DumpChan";
    static char *synopsis = "Dump Info About The Calling Channel";
    
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    static char *desc = 
    
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    	"   DumpChan([<min_verbose_level>])\n"
    	"Displays information on channel and listing of all channel\n"
    	"variables. If min_verbose_level is specified, output is only\n"
    	"displayed when the verbose level is currently set to that number\n"
    	"or greater. \n";
    
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    static int serialize_showchan(struct ast_channel *c, char *buf, size_t size)
    
    {
    	struct timeval now;
    
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    	long elapsed_seconds = 0;
    	int hour = 0, min = 0, sec = 0;
    
    	char cgrp[BUFSIZ/2];
    	char pgrp[BUFSIZ/2];
    	char formatbuf[BUFSIZ/2];
    
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    	memset(buf, 0, size);
    
    	if (!c)
    		return 0;
    
    	if (c->cdr) {
    		elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
    		hour = elapsed_seconds / 3600;
    		min = (elapsed_seconds % 3600) / 60;
    		sec = elapsed_seconds % 60;
    	}
    
    	snprintf(buf,size, 
    
    			 "Name=               %s\n"
    			 "Type=               %s\n"
    			 "UniqueID=           %s\n"
    
    			 "CallerIDName=       %s\n"
    			 "DNIDDigits=         %s\n"
    
    			 "State=              %s (%d)\n"
    			 "Rings=              %d\n"
    
    			 "NativeFormat=       %s\n"
    			 "WriteFormat=        %s\n"
    			 "ReadFormat=         %s\n"
    
    			 "RawWriteFormat=     %s\n"
    			 "RawReadFormat=      %s\n"
    
    			 "1stFileDescriptor=  %d\n"
    			 "Framesin=           %d %s\n"
    			 "Framesout=          %d %s\n"
    			 "TimetoHangup=       %ld\n"
    			 "ElapsedTime=        %dh%dm%ds\n"
    			 "Context=            %s\n"
    			 "Extension=          %s\n"
    			 "Priority=           %d\n"
    			 "CallGroup=          %s\n"
    			 "PickupGroup=        %s\n"
    			 "Application=        %s\n"
    			 "Data=               %s\n"
    			 "Blocking_in=        %s\n",
    
    			 c->uniqueid,
    
    			 S_OR(c->cid.cid_num, "(N/A)"),
    			 S_OR(c->cid.cid_name, "(N/A)"),
    			 S_OR(c->cid.cid_dnid, "(N/A)"),
    			 S_OR(c->cid.cid_rdnis, "(N/A)"),
    
    			 ast_state2str(c->_state),
    			 c->_state,
    			 c->rings,
    
    			 ast_getformatname_multiple(formatbuf, sizeof(formatbuf), c->nativeformats),
    			 ast_getformatname_multiple(formatbuf, sizeof(formatbuf), c->writeformat),
    			 ast_getformatname_multiple(formatbuf, sizeof(formatbuf), c->readformat),
    
    			 ast_getformatname_multiple(formatbuf, sizeof(formatbuf), c->rawwriteformat),
    			 ast_getformatname_multiple(formatbuf, sizeof(formatbuf), c->rawreadformat),
    
    			 c->fds[0], c->fin & ~DEBUGCHAN_FLAG, (c->fin & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
    			 c->fout & ~DEBUGCHAN_FLAG, (c->fout & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "", (long)c->whentohangup,
    
    			 hour,
    			 min,
    			 sec,
    			 c->context,
    			 c->exten,
    			 c->priority,
    
    			 ast_print_group(cgrp, sizeof(cgrp), c->callgroup),
    			 ast_print_group(pgrp, sizeof(pgrp), c->pickupgroup),
    
    			 ( c->appl ? c->appl : "(N/A)" ),
    
    			 ( c-> data ? S_OR(c->data, "(Empty)") : "(None)"),
    
    			 (ast_test_flag(c, AST_FLAG_BLOCKING) ? c->blockproc : "(Not Blocking)"));
    
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    	return 0;
    
    }
    
    static int dumpchan_exec(struct ast_channel *chan, void *data)
    {
    
    	struct ast_str *vars = ast_str_alloca(BUFSIZ * 4); /* XXX very large! */
    
    	char info[1024];
    	int level = 0;
    	static char *line = "================================================================================";
    
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    	if (!ast_strlen_zero(data)) 
    
    		level = atoi(data);
    
    
    	pbx_builtin_serialize_variables(chan, &vars);
    
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    	serialize_showchan(chan, info, sizeof(info));
    
    	if (option_verbose >= level)
    
    		ast_verbose("\nDumping Info For Channel: %s:\n%s\nInfo:\n%s\nVariables:\n%s%s\n", chan->name, line, info, vars->str, line);
    
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    	return 0;
    
    static int unload_module(void)
    
    	return ast_unregister_application(app);
    
    static int load_module(void)
    
    {
    	return ast_register_application(app, dumpchan_exec, synopsis, desc);
    }
    
    
    AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dump Info About The Calling Channel");