When manipulating flags on a channel the channel has to be locked to guarantee that nothing else is also manipulating the flags. This change introduces locking where necessary to guarantee this. It also adds helper functions that manipulate channel flags and lock to reduce repeated code. ASTERISK-26789 Change-Id: I489280662dba0f4c50981bfc5b5a7073fef2db10
208 lines
6.4 KiB
C
208 lines
6.4 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2004 - 2005, Anthony Minessale II.
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*
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* Anthony Minessale <anthmct@yahoo.com>
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*
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* A license has been granted to Digium (via disclaimer) for the use of
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* this code.
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Application to dump channel variables
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*
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* \author Anthony Minessale <anthmct@yahoo.com>
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*
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* \ingroup applications
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/channel.h"
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#include "asterisk/app.h"
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#include "asterisk/translate.h"
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#include "asterisk/bridge.h"
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/*** DOCUMENTATION
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<application name="DumpChan" language="en_US">
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<synopsis>
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Dump Info About The Calling Channel.
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</synopsis>
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<syntax>
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<parameter name="level">
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<para>Minimum verbose level</para>
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</parameter>
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</syntax>
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<description>
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<para>Displays information on channel and listing of all channel
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variables. If <replaceable>level</replaceable> is specified, output is only
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displayed when the verbose level is currently set to that number
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or greater.</para>
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</description>
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<see-also>
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<ref type="application">NoOp</ref>
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<ref type="application">Verbose</ref>
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</see-also>
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</application>
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***/
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static const char app[] = "DumpChan";
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static int serialize_showchan(struct ast_channel *c, char *buf, size_t size)
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{
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long elapsed_seconds = 0;
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int hour = 0, min = 0, sec = 0;
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struct ast_str *format_buf = ast_str_alloca(AST_FORMAT_CAP_NAMES_LEN);
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char cgrp[256];
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char pgrp[256];
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struct ast_str *write_transpath = ast_str_alloca(256);
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struct ast_str *read_transpath = ast_str_alloca(256);
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struct ast_bridge *bridge;
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memset(buf, 0, size);
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if (!c)
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return 0;
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elapsed_seconds = ast_channel_get_duration(c);
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hour = elapsed_seconds / 3600;
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min = (elapsed_seconds % 3600) / 60;
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sec = elapsed_seconds % 60;
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ast_channel_lock(c);
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bridge = ast_channel_get_bridge(c);
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snprintf(buf,size,
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"Name= %s\n"
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"Type= %s\n"
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"UniqueID= %s\n"
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"LinkedID= %s\n"
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"CallerIDNum= %s\n"
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"CallerIDName= %s\n"
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"ConnectedLineIDNum= %s\n"
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"ConnectedLineIDName=%s\n"
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"DNIDDigits= %s\n"
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"RDNIS= %s\n"
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"Parkinglot= %s\n"
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"Language= %s\n"
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"State= %s (%u)\n"
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"Rings= %d\n"
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"NativeFormat= %s\n"
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"WriteFormat= %s\n"
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"ReadFormat= %s\n"
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"RawWriteFormat= %s\n"
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"RawReadFormat= %s\n"
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"WriteTranscode= %s %s\n"
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"ReadTranscode= %s %s\n"
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"1stFileDescriptor= %d\n"
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"Framesin= %u %s\n"
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"Framesout= %u %s\n"
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"TimetoHangup= %ld\n"
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"ElapsedTime= %dh%dm%ds\n"
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"BridgeID= %s\n"
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"Context= %s\n"
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"Extension= %s\n"
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"Priority= %d\n"
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"CallGroup= %s\n"
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"PickupGroup= %s\n"
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"Application= %s\n"
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"Data= %s\n"
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"Blocking_in= %s\n",
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ast_channel_name(c),
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ast_channel_tech(c)->type,
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ast_channel_uniqueid(c),
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ast_channel_linkedid(c),
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S_COR(ast_channel_caller(c)->id.number.valid, ast_channel_caller(c)->id.number.str, "(N/A)"),
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S_COR(ast_channel_caller(c)->id.name.valid, ast_channel_caller(c)->id.name.str, "(N/A)"),
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S_COR(ast_channel_connected(c)->id.number.valid, ast_channel_connected(c)->id.number.str, "(N/A)"),
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S_COR(ast_channel_connected(c)->id.name.valid, ast_channel_connected(c)->id.name.str, "(N/A)"),
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S_OR(ast_channel_dialed(c)->number.str, "(N/A)"),
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S_COR(ast_channel_redirecting(c)->from.number.valid, ast_channel_redirecting(c)->from.number.str, "(N/A)"),
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ast_channel_parkinglot(c),
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ast_channel_language(c),
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ast_state2str(ast_channel_state(c)),
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ast_channel_state(c),
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ast_channel_rings(c),
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ast_format_cap_get_names(ast_channel_nativeformats(c), &format_buf),
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ast_format_get_name(ast_channel_writeformat(c)),
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ast_format_get_name(ast_channel_readformat(c)),
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ast_format_get_name(ast_channel_rawwriteformat(c)),
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ast_format_get_name(ast_channel_rawreadformat(c)),
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ast_channel_writetrans(c) ? "Yes" : "No",
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ast_translate_path_to_str(ast_channel_writetrans(c), &write_transpath),
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ast_channel_readtrans(c) ? "Yes" : "No",
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ast_translate_path_to_str(ast_channel_readtrans(c), &read_transpath),
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ast_channel_fd(c, 0),
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ast_channel_fin(c) & ~DEBUGCHAN_FLAG, (ast_channel_fin(c) & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
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ast_channel_fout(c) & ~DEBUGCHAN_FLAG, (ast_channel_fout(c) & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
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(long)ast_channel_whentohangup(c)->tv_sec,
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hour,
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min,
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sec,
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bridge ? bridge->uniqueid : "(Not bridged)",
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ast_channel_context(c),
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ast_channel_exten(c),
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ast_channel_priority(c),
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ast_print_group(cgrp, sizeof(cgrp), ast_channel_callgroup(c)),
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ast_print_group(pgrp, sizeof(pgrp), ast_channel_pickupgroup(c)),
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ast_channel_appl(c) ? ast_channel_appl(c) : "(N/A)",
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ast_channel_data(c) ? S_OR(ast_channel_data(c), "(Empty)") : "(None)",
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(ast_test_flag(ast_channel_flags(c), AST_FLAG_BLOCKING) ? ast_channel_blockproc(c) : "(Not Blocking)"));
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ast_channel_unlock(c);
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ao2_cleanup(bridge);
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return 0;
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}
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static int dumpchan_exec(struct ast_channel *chan, const char *data)
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{
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struct ast_str *vars = ast_str_thread_get(&ast_str_thread_global_buf, 16);
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char info[2048];
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int level = 0;
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static char *line = "================================================================================";
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if (!ast_strlen_zero(data))
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level = atoi(data);
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if (VERBOSITY_ATLEAST(level)) {
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serialize_showchan(chan, info, sizeof(info));
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pbx_builtin_serialize_variables(chan, &vars);
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ast_verb(level, "\n"
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"Dumping Info For Channel: %s:\n"
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"%s\n"
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"Info:\n"
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"%s\n"
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"Variables:\n"
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"%s%s\n", ast_channel_name(chan), line, info, ast_str_buffer(vars), line);
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}
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return 0;
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}
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static int unload_module(void)
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{
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return ast_unregister_application(app);
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}
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static int load_module(void)
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{
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return ast_register_application_xml(app, dumpchan_exec);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dump Info About The Calling Channel");
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