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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2012, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* 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.
*/
/*! \file
*
* \brief Channel Accessor API
*
* This file is intended to be the only file that ever accesses the
* internals of an ast_channel. All other files should use the
* accessor functions defined here.
*
* \author Terry Wilson
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/channel.h"
#include "asterisk/stringfields.h"
#include "asterisk/data.h"
#include "asterisk/indications.h"
/* AST_DATA definitions, which will probably have to be re-thought since the channel will be opaque */
#if 0 /* XXX AstData: ast_callerid no longer exists. (Equivalent code not readily apparent.) */
#define DATA_EXPORT_CALLERID(MEMBER) \
MEMBER(ast_callerid, cid_dnid, AST_DATA_STRING) \
MEMBER(ast_callerid, cid_num, AST_DATA_STRING) \
MEMBER(ast_callerid, cid_name, AST_DATA_STRING) \
MEMBER(ast_callerid, cid_ani, AST_DATA_STRING) \
MEMBER(ast_callerid, cid_pres, AST_DATA_INTEGER) \
MEMBER(ast_callerid, cid_ani2, AST_DATA_INTEGER) \
MEMBER(ast_callerid, cid_tag, AST_DATA_STRING)
AST_DATA_STRUCTURE(ast_callerid, DATA_EXPORT_CALLERID);
#endif
#define DATA_EXPORT_CHANNEL(MEMBER) \
MEMBER(ast_channel, blockproc, AST_DATA_STRING) \
MEMBER(ast_channel, appl, AST_DATA_STRING) \
MEMBER(ast_channel, data, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_name, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_language, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_musicclass, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_accountcode, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_peeraccount, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_userfield, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_call_forward, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_uniqueid, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_linkedid, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_parkinglot, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_hangupsource, AST_DATA_STRING) \
MEMBER(ast_channel, __do_not_use_dialcontext, AST_DATA_STRING) \
MEMBER(ast_channel, rings, AST_DATA_INTEGER) \
MEMBER(ast_channel, priority, AST_DATA_INTEGER) \
MEMBER(ast_channel, macropriority, AST_DATA_INTEGER) \
MEMBER(ast_channel, adsicpe, AST_DATA_INTEGER) \
MEMBER(ast_channel, fin, AST_DATA_UNSIGNED_INTEGER) \
MEMBER(ast_channel, fout, AST_DATA_UNSIGNED_INTEGER) \
MEMBER(ast_channel, emulate_dtmf_duration, AST_DATA_UNSIGNED_INTEGER) \
MEMBER(ast_channel, visible_indication, AST_DATA_INTEGER) \
MEMBER(ast_channel, context, AST_DATA_STRING) \
MEMBER(ast_channel, exten, AST_DATA_STRING) \
MEMBER(ast_channel, macrocontext, AST_DATA_STRING) \
MEMBER(ast_channel, macroexten, AST_DATA_STRING)
AST_DATA_STRUCTURE(ast_channel, DATA_EXPORT_CHANNEL);
static void channel_data_add_flags(struct ast_data *tree,
struct ast_channel *chan)
{
ast_data_add_bool(tree, "DEFER_DTMF", ast_test_flag(chan, AST_FLAG_DEFER_DTMF));
ast_data_add_bool(tree, "WRITE_INT", ast_test_flag(chan, AST_FLAG_WRITE_INT));
ast_data_add_bool(tree, "BLOCKING", ast_test_flag(chan, AST_FLAG_BLOCKING));
ast_data_add_bool(tree, "ZOMBIE", ast_test_flag(chan, AST_FLAG_ZOMBIE));
ast_data_add_bool(tree, "EXCEPTION", ast_test_flag(chan, AST_FLAG_EXCEPTION));
ast_data_add_bool(tree, "MOH", ast_test_flag(chan, AST_FLAG_MOH));
ast_data_add_bool(tree, "SPYING", ast_test_flag(chan, AST_FLAG_SPYING));
ast_data_add_bool(tree, "NBRIDGE", ast_test_flag(chan, AST_FLAG_NBRIDGE));
ast_data_add_bool(tree, "IN_AUTOLOOP", ast_test_flag(chan, AST_FLAG_IN_AUTOLOOP));
ast_data_add_bool(tree, "OUTGOING", ast_test_flag(chan, AST_FLAG_OUTGOING));
ast_data_add_bool(tree, "IN_DTMF", ast_test_flag(chan, AST_FLAG_IN_DTMF));
ast_data_add_bool(tree, "EMULATE_DTMF", ast_test_flag(chan, AST_FLAG_EMULATE_DTMF));
ast_data_add_bool(tree, "END_DTMF_ONLY", ast_test_flag(chan, AST_FLAG_END_DTMF_ONLY));
ast_data_add_bool(tree, "ANSWERED_ELSEWHERE", ast_test_flag(chan, AST_FLAG_ANSWERED_ELSEWHERE));
ast_data_add_bool(tree, "MASQ_NOSTREAM", ast_test_flag(chan, AST_FLAG_MASQ_NOSTREAM));
ast_data_add_bool(tree, "BRIDGE_HANGUP_RUN", ast_test_flag(chan, AST_FLAG_BRIDGE_HANGUP_RUN));
ast_data_add_bool(tree, "BRIDGE_HANGUP_DONT", ast_test_flag(chan, AST_FLAG_BRIDGE_HANGUP_DONT));
ast_data_add_bool(tree, "DISABLE_WORKAROUNDS", ast_test_flag(chan, AST_FLAG_DISABLE_WORKAROUNDS));
}
int ast_channel_data_add_structure(struct ast_data *tree,
struct ast_channel *chan, int add_bridged)
{
struct ast_channel *bc;
struct ast_data *data_bridged;
struct ast_data *data_cdr;
struct ast_data *data_flags;
struct ast_data *data_zones;
struct ast_data *enum_node;
struct ast_data *data_softhangup;
#if 0 /* XXX AstData: ast_callerid no longer exists. (Equivalent code not readily apparent.) */
struct ast_data *data_callerid;
char value_str[100];
#endif
if (!tree) {
return -1;
}
ast_data_add_structure(ast_channel, tree, chan);
if (add_bridged) {
bc = ast_bridged_channel(chan);
if (bc) {
data_bridged = ast_data_add_node(tree, "bridged");
if (!data_bridged) {
return -1;
}
ast_channel_data_add_structure(data_bridged, bc, 0);
}
}
ast_data_add_codec(tree, "oldwriteformat", &chan->oldwriteformat);
ast_data_add_codec(tree, "readformat", &chan->readformat);
ast_data_add_codec(tree, "writeformat", &chan->writeformat);
ast_data_add_codec(tree, "rawreadformat", &chan->rawreadformat);
ast_data_add_codec(tree, "rawwriteformat", &chan->rawwriteformat);
ast_data_add_codecs(tree, "nativeformats", chan->nativeformats);
/* state */
enum_node = ast_data_add_node(tree, "state");
if (!enum_node) {
return -1;
}
ast_data_add_str(enum_node, "text", ast_state2str(chan->_state));
ast_data_add_int(enum_node, "value", chan->_state);
/* hangupcause */
enum_node = ast_data_add_node(tree, "hangupcause");
if (!enum_node) {
return -1;
}
ast_data_add_str(enum_node, "text", ast_cause2str(chan->hangupcause));
ast_data_add_int(enum_node, "value", chan->hangupcause);
/* amaflags */
enum_node = ast_data_add_node(tree, "amaflags");
if (!enum_node) {
return -1;
}
ast_data_add_str(enum_node, "text", ast_cdr_flags2str(chan->amaflags));
ast_data_add_int(enum_node, "value", chan->amaflags);
/* transfercapability */
enum_node = ast_data_add_node(tree, "transfercapability");
if (!enum_node) {
return -1;
}
ast_data_add_str(enum_node, "text", ast_transfercapability2str(chan->transfercapability));
ast_data_add_int(enum_node, "value", chan->transfercapability);
/* _softphangup */
data_softhangup = ast_data_add_node(tree, "softhangup");
if (!data_softhangup) {
return -1;
}
ast_data_add_bool(data_softhangup, "dev", chan->_softhangup & AST_SOFTHANGUP_DEV);
ast_data_add_bool(data_softhangup, "asyncgoto", chan->_softhangup & AST_SOFTHANGUP_ASYNCGOTO);
ast_data_add_bool(data_softhangup, "shutdown", chan->_softhangup & AST_SOFTHANGUP_SHUTDOWN);
ast_data_add_bool(data_softhangup, "timeout", chan->_softhangup & AST_SOFTHANGUP_TIMEOUT);
ast_data_add_bool(data_softhangup, "appunload", chan->_softhangup & AST_SOFTHANGUP_APPUNLOAD);
ast_data_add_bool(data_softhangup, "explicit", chan->_softhangup & AST_SOFTHANGUP_EXPLICIT);
ast_data_add_bool(data_softhangup, "unbridge", chan->_softhangup & AST_SOFTHANGUP_UNBRIDGE);
/* channel flags */
data_flags = ast_data_add_node(tree, "flags");
if (!data_flags) {
return -1;
}
channel_data_add_flags(data_flags, chan);
ast_data_add_uint(tree, "timetohangup", chan->whentohangup.tv_sec);
#if 0 /* XXX AstData: ast_callerid no longer exists. (Equivalent code not readily apparent.) */
/* callerid */
data_callerid = ast_data_add_node(tree, "callerid");
if (!data_callerid) {
return -1;
}
ast_data_add_structure(ast_callerid, data_callerid, &(chan->cid));
/* insert the callerid ton */
enum_node = ast_data_add_node(data_callerid, "cid_ton");
if (!enum_node) {
return -1;
}
ast_data_add_int(enum_node, "value", chan->cid.cid_ton);
snprintf(value_str, sizeof(value_str), "TON: %s/Plan: %s",
party_number_ton2str(chan->cid.cid_ton),
party_number_plan2str(chan->cid.cid_ton));
ast_data_add_str(enum_node, "text", value_str);
#endif
/* tone zone */
if (chan->zone) {
data_zones = ast_data_add_node(tree, "zone");
if (!data_zones) {
return -1;
}
ast_tone_zone_data_add_structure(data_zones, chan->zone);
}
/* insert cdr */
data_cdr = ast_data_add_node(tree, "cdr");
if (!data_cdr) {
return -1;
}
ast_cdr_data_add_structure(data_cdr, chan->cdr, 1);
return 0;
}
int ast_channel_data_cmp_structure(const struct ast_data_search *tree,
struct ast_channel *chan, const char *structure_name)
{
return ast_data_search_cmp_structure(tree, ast_channel, chan, structure_name);
}
/* ACCESSORS */
#define DEFINE_STRINGFIELD_SETTERS_FOR(field) \
void ast_channel_##field##_set(struct ast_channel *chan, const char *value) \
{ \
ast_string_field_set(chan, __do_not_use_##field, value); \
} \
\
void ast_channel_##field##_build_va(struct ast_channel *chan, const char *fmt, va_list ap) \
{ \
ast_string_field_build_va(chan, __do_not_use_##field, fmt, ap); \
} \
void ast_channel_##field##_build(struct ast_channel *chan, const char *fmt, ...) \
{ \
va_list ap; \
va_start(ap, fmt); \
ast_channel_##field##_build_va(chan, fmt, ap); \
va_end(ap); \
}
DEFINE_STRINGFIELD_SETTERS_FOR(name)
DEFINE_STRINGFIELD_SETTERS_FOR(language)
DEFINE_STRINGFIELD_SETTERS_FOR(musicclass)
DEFINE_STRINGFIELD_SETTERS_FOR(accountcode)
DEFINE_STRINGFIELD_SETTERS_FOR(peeraccount)
DEFINE_STRINGFIELD_SETTERS_FOR(userfield)
DEFINE_STRINGFIELD_SETTERS_FOR(call_forward)
DEFINE_STRINGFIELD_SETTERS_FOR(uniqueid)
DEFINE_STRINGFIELD_SETTERS_FOR(linkedid)
DEFINE_STRINGFIELD_SETTERS_FOR(parkinglot)
DEFINE_STRINGFIELD_SETTERS_FOR(hangupsource)
DEFINE_STRINGFIELD_SETTERS_FOR(dialcontext)
#define DEFINE_STRINGFIELD_GETTER_FOR(field) const char *ast_channel_##field(const struct ast_channel *chan) \
{ \
return chan->__do_not_use_##field; \
}
DEFINE_STRINGFIELD_GETTER_FOR(name)
DEFINE_STRINGFIELD_GETTER_FOR(language)
DEFINE_STRINGFIELD_GETTER_FOR(musicclass)
DEFINE_STRINGFIELD_GETTER_FOR(accountcode)
DEFINE_STRINGFIELD_GETTER_FOR(peeraccount)
DEFINE_STRINGFIELD_GETTER_FOR(userfield)
DEFINE_STRINGFIELD_GETTER_FOR(call_forward)
DEFINE_STRINGFIELD_GETTER_FOR(uniqueid)
DEFINE_STRINGFIELD_GETTER_FOR(linkedid)
DEFINE_STRINGFIELD_GETTER_FOR(parkinglot)
DEFINE_STRINGFIELD_GETTER_FOR(hangupsource)
DEFINE_STRINGFIELD_GETTER_FOR(dialcontext)
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