static void rfc3326_add_reason_header(struct ast_sip_session *session, struct pjsip_tx_data *tdata)
{
char buf[20];
snprintf(buf, sizeof(buf), "Q.850;cause=%i", ast_channel_hangupcause(session->channel) & 0x7f);
ast_sip_add_header(tdata, "Reason", buf);
if (ast_channel_hangupcause(session->channel) == AST_CAUSE_ANSWERED_ELSEWHERE) {
ast_sip_add_header(tdata, "Reason", "SIP;cause=200;text=\"Call completed elsewhere\"");
}
}
static int end_session(struct respoke_session *session, enum respoke_status status, const struct respoke_message *message)
{
const char *endpoint, *type, *app;
if (!session->channel) {
return 0;
}
endpoint = respoke_message_redirected_endpoint_get(message);
type = respoke_message_redirected_type_get(message);
app = respoke_message_redirected_app_get(message);
if (!ast_strlen_zero(endpoint) && !ast_strlen_zero(app)) {
if (session->endpoint->redirect == RESPOKE_REDIRECT_INTERNAL) {
char id[AST_UUID_STR_LEN];
/* Since we are changing the session-id and because offer adds this session
* to the sessions container we need to unlink it now, which bye does
*/
respoke_session_bye(session, RESPOKE_STATUS_REDIRECTING);
session->terminated = 0;
ast_string_field_set(session, remote, endpoint);
ast_string_field_set(session, remote_type, S_OR(type, "web"));
ast_string_field_set(session, remote_appid, app);
ast_string_field_set(session, remote_connection, "");
ast_string_field_set(session, session_id, ast_uuid_generate_str(id, sizeof(id)));
/* Send a new offer out to the new target, without the caller being any the wiser */
if (!respoke_session_offer(session)) {
return 0;
}
session->terminated = 1;
} else if (session->endpoint->redirect == RESPOKE_REDIRECT_CORE) {
ast_channel_call_forward_build(session->channel, "Respoke/%s/%s@%s", ast_sorcery_object_get_id(session->endpoint),
endpoint, app);
}
}
ast_set_hangupsource(session->channel, ast_channel_name(session->channel), 0);
if (!ast_channel_hangupcause(session->channel)) {
int cause = hangup_reason_to_cause(status);
ast_queue_hangup_with_cause(session->channel, cause);
} else {
ast_queue_hangup(session->channel);
}
return 0;
}
/*!
* \brief after bridge callback for the dial bridge
*
* The only purpose of this callback is to ensure that the control structure's
* bridge pointer is NULLed
*/
static void dial_bridge_after_cb(struct ast_channel *chan, void *data)
{
struct stasis_app_control *control = data;
struct ast_bridge_channel *bridge_channel;
ast_channel_lock(chan);
bridge_channel = ast_channel_get_bridge_channel(chan);
ast_channel_unlock(chan);
ast_debug(3, "Channel: <%s> Reason: %d\n", ast_channel_name(control->channel), ast_channel_hangupcause(chan));
stasis_app_send_command_async(control, bridge_channel_depart, bridge_channel, __ao2_cleanup);
control->bridge = NULL;
}
static u_char *ast_var_channels_table(struct variable *vp, oid *name, size_t *length,
int exact, size_t *var_len, WriteMethod **write_method)
{
static unsigned long long_ret;
static u_char bits_ret[2];
static char string_ret[256];
struct ast_channel *chan, *bridge;
struct timeval tval;
u_char *ret = NULL;
int i, bit;
struct ast_str *out = ast_str_alloca(2048);
struct ast_channel_iterator *iter;
if (header_simple_table(vp, name, length, exact, var_len, write_method, ast_active_channels()))
return NULL;
i = name[*length - 1] - 1;
if (!(iter = ast_channel_iterator_all_new())) {
return NULL;
}
while ((chan = ast_channel_iterator_next(iter)) && i) {
ast_channel_unref(chan);
i--;
}
iter = ast_channel_iterator_destroy(iter);
if (chan == NULL) {
return NULL;
}
*var_len = sizeof(long_ret);
ast_channel_lock(chan);
switch (vp->magic) {
case ASTCHANINDEX:
long_ret = name[*length - 1];
ret = (u_char *)&long_ret;
break;
case ASTCHANNAME:
if (!ast_strlen_zero(ast_channel_name(chan))) {
ast_copy_string(string_ret, ast_channel_name(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANLANGUAGE:
if (!ast_strlen_zero(ast_channel_language(chan))) {
ast_copy_string(string_ret, ast_channel_language(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANTYPE:
ast_copy_string(string_ret, ast_channel_tech(chan)->type, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMUSICCLASS:
if (!ast_strlen_zero(ast_channel_musicclass(chan))) {
ast_copy_string(string_ret, ast_channel_musicclass(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANBRIDGE:
if ((bridge = ast_bridged_channel(chan)) != NULL) {
ast_copy_string(string_ret, ast_channel_name(bridge), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANMASQ:
if (ast_channel_masq(chan) && !ast_strlen_zero(ast_channel_name(ast_channel_masq(chan)))) {
ast_copy_string(string_ret, ast_channel_name(ast_channel_masq(chan)), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANMASQR:
if (ast_channel_masqr(chan) && !ast_strlen_zero(ast_channel_name(ast_channel_masqr(chan)))) {
ast_copy_string(string_ret, ast_channel_name(ast_channel_masqr(chan)), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANWHENHANGUP:
if (!ast_tvzero(*ast_channel_whentohangup(chan))) {
gettimeofday(&tval, NULL);
long_ret = difftime(ast_channel_whentohangup(chan)->tv_sec, tval.tv_sec) * 100 - tval.tv_usec / 10000;
ret= (u_char *)&long_ret;
}
break;
case ASTCHANAPP:
if (ast_channel_appl(chan)) {
ast_copy_string(string_ret, ast_channel_appl(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANDATA:
if (ast_channel_data(chan)) {
ast_copy_string(string_ret, ast_channel_data(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCONTEXT:
ast_copy_string(string_ret, ast_channel_context(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMACROCONTEXT:
ast_copy_string(string_ret, ast_channel_macrocontext(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMACROEXTEN:
ast_copy_string(string_ret, ast_channel_macroexten(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANMACROPRI:
long_ret = ast_channel_macropriority(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANEXTEN:
ast_copy_string(string_ret, ast_channel_exten(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANPRI:
long_ret = ast_channel_priority(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANACCOUNTCODE:
if (!ast_strlen_zero(ast_channel_accountcode(chan))) {
ast_copy_string(string_ret, ast_channel_accountcode(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANFORWARDTO:
if (!ast_strlen_zero(ast_channel_call_forward(chan))) {
ast_copy_string(string_ret, ast_channel_call_forward(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANUNIQUEID:
ast_copy_string(string_ret, ast_channel_uniqueid(chan), sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
break;
case ASTCHANCALLGROUP:
long_ret = ast_channel_callgroup(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANPICKUPGROUP:
long_ret = ast_channel_pickupgroup(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANSTATE:
long_ret = ast_channel_state(chan) & 0xffff;
ret = (u_char *)&long_ret;
break;
case ASTCHANMUTED:
long_ret = ast_channel_state(chan) & AST_STATE_MUTE ? 1 : 2;
ret = (u_char *)&long_ret;
break;
case ASTCHANRINGS:
long_ret = ast_channel_rings(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDDNID:
if (ast_channel_dialed(chan)->number.str) {
ast_copy_string(string_ret, ast_channel_dialed(chan)->number.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDNUM:
if (ast_channel_caller(chan)->id.number.valid && ast_channel_caller(chan)->id.number.str) {
ast_copy_string(string_ret, ast_channel_caller(chan)->id.number.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDNAME:
if (ast_channel_caller(chan)->id.name.valid && ast_channel_caller(chan)->id.name.str) {
ast_copy_string(string_ret, ast_channel_caller(chan)->id.name.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDANI:
if (ast_channel_caller(chan)->ani.number.valid && ast_channel_caller(chan)->ani.number.str) {
ast_copy_string(string_ret, ast_channel_caller(chan)->ani.number.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDRDNIS:
if (ast_channel_redirecting(chan)->from.number.valid && ast_channel_redirecting(chan)->from.number.str) {
ast_copy_string(string_ret, ast_channel_redirecting(chan)->from.number.str, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANCIDPRES:
long_ret = ast_party_id_presentation(&ast_channel_caller(chan)->id);
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDANI2:
long_ret = ast_channel_caller(chan)->ani2;
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDTON:
long_ret = ast_channel_caller(chan)->id.number.plan;
ret = (u_char *)&long_ret;
break;
case ASTCHANCIDTNS:
long_ret = ast_channel_dialed(chan)->transit_network_select;
ret = (u_char *)&long_ret;
break;
case ASTCHANAMAFLAGS:
long_ret = ast_channel_amaflags(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANADSI:
long_ret = ast_channel_adsicpe(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANTONEZONE:
if (ast_channel_zone(chan)) {
ast_copy_string(string_ret, ast_channel_zone(chan)->country, sizeof(string_ret));
*var_len = strlen(string_ret);
ret = (u_char *)string_ret;
}
break;
case ASTCHANHANGUPCAUSE:
long_ret = ast_channel_hangupcause(chan);
ret = (u_char *)&long_ret;
break;
case ASTCHANVARIABLES:
if (pbx_builtin_serialize_variables(chan, &out)) {
*var_len = ast_str_strlen(out);
ret = (u_char *)ast_str_buffer(out);
}
break;
case ASTCHANFLAGS:
bits_ret[0] = 0;
for (bit = 0; bit < 8; bit++)
bits_ret[0] |= ((ast_channel_flags(chan)->flags & (1 << bit)) >> bit) << (7 - bit);
bits_ret[1] = 0;
for (bit = 0; bit < 8; bit++)
bits_ret[1] |= (((ast_channel_flags(chan)->flags >> 8) & (1 << bit)) >> bit) << (7 - bit);
*var_len = 2;
ret = bits_ret;
break;
case ASTCHANTRANSFERCAP:
long_ret = ast_channel_transfercapability(chan);
ret = (u_char *)&long_ret;
default:
break;
}
ast_channel_unlock(chan);
chan = ast_channel_unref(chan);
return ret;
}
int ast_channel_data_add_structure(struct ast_data *tree,
struct ast_channel *chan, int add_bridged)
{
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) {
RAII_VAR(struct ast_channel *, bc, ast_channel_bridge_peer(chan), ast_channel_cleanup);
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", ast_channel_oldwriteformat(chan));
ast_data_add_codec(tree, "readformat", ast_channel_readformat(chan));
ast_data_add_codec(tree, "writeformat", ast_channel_writeformat(chan));
ast_data_add_codec(tree, "rawreadformat", ast_channel_rawreadformat(chan));
ast_data_add_codec(tree, "rawwriteformat", ast_channel_rawwriteformat(chan));
ast_data_add_codecs(tree, "nativeformats", ast_channel_nativeformats(chan));
/* state */
enum_node = ast_data_add_node(tree, "state");
if (!enum_node) {
return -1;
}
ast_data_add_str(enum_node, "text", ast_state2str(ast_channel_state(chan)));
ast_data_add_int(enum_node, "value", ast_channel_state(chan));
/* hangupcause */
enum_node = ast_data_add_node(tree, "hangupcause");
if (!enum_node) {
return -1;
}
ast_data_add_str(enum_node, "text", ast_cause2str(ast_channel_hangupcause(chan)));
ast_data_add_int(enum_node, "value", ast_channel_hangupcause(chan));
/* amaflags */
enum_node = ast_data_add_node(tree, "amaflags");
if (!enum_node) {
return -1;
}
ast_data_add_str(enum_node, "text", ast_channel_amaflags2string(ast_channel_amaflags(chan)));
ast_data_add_int(enum_node, "value", ast_channel_amaflags(chan));
/* transfercapability */
enum_node = ast_data_add_node(tree, "transfercapability");
if (!enum_node) {
return -1;
}
ast_data_add_str(enum_node, "text", ast_transfercapability2str(ast_channel_transfercapability(chan)));
ast_data_add_int(enum_node, "value", ast_channel_transfercapability(chan));
/* _softphangup */
data_softhangup = ast_data_add_node(tree, "softhangup");
if (!data_softhangup) {
return -1;
}
ast_data_add_bool(data_softhangup, "dev", ast_channel_softhangup_internal_flag(chan) & AST_SOFTHANGUP_DEV);
ast_data_add_bool(data_softhangup, "asyncgoto", ast_channel_softhangup_internal_flag(chan) & AST_SOFTHANGUP_ASYNCGOTO);
ast_data_add_bool(data_softhangup, "shutdown", ast_channel_softhangup_internal_flag(chan) & AST_SOFTHANGUP_SHUTDOWN);
ast_data_add_bool(data_softhangup, "timeout", ast_channel_softhangup_internal_flag(chan) & AST_SOFTHANGUP_TIMEOUT);
ast_data_add_bool(data_softhangup, "appunload", ast_channel_softhangup_internal_flag(chan) & AST_SOFTHANGUP_APPUNLOAD);
ast_data_add_bool(data_softhangup, "explicit", ast_channel_softhangup_internal_flag(chan) & AST_SOFTHANGUP_EXPLICIT);
ast_data_add_bool(data_softhangup, "unbridge", ast_channel_softhangup_internal_flag(chan) & 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", ast_channel_whentohangup(chan)->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 (ast_channel_zone(chan)) {
data_zones = ast_data_add_node(tree, "zone");
if (!data_zones) {
return -1;
}
ast_tone_zone_data_add_structure(data_zones, ast_channel_zone(chan));
}
/* insert cdr */
data_cdr = ast_data_add_node(tree, "cdr");
if (!data_cdr) {
return -1;
}
return 0;
}
/*! \brief Initiate new call, part of PBX interface
* dest is the dial string */
static int local_call(struct ast_channel *ast, const char *dest, int timeout)
{
struct local_pvt *p = ast_channel_tech_pvt(ast);
int pvt_locked = 0;
struct ast_channel *owner = NULL;
struct ast_channel *chan = NULL;
int res;
struct ast_var_t *varptr;
struct ast_var_t *clone_var;
char *reduced_dest = ast_strdupa(dest);
char *slash;
const char *exten;
const char *context;
if (!p) {
return -1;
}
/* since we are letting go of channel locks that were locked coming into
* this function, then we need to give the tech pvt a ref */
ao2_ref(p, 1);
ast_channel_unlock(ast);
awesome_locking(p, &chan, &owner);
pvt_locked = 1;
if (owner != ast) {
res = -1;
goto return_cleanup;
}
if (!owner || !chan) {
res = -1;
goto return_cleanup;
}
/*
* Note that cid_num and cid_name aren't passed in the ast_channel_alloc
* call, so it's done here instead.
*
* All these failure points just return -1. The individual strings will
* be cleared when we destroy the channel.
*/
ast_party_redirecting_copy(ast_channel_redirecting(chan), ast_channel_redirecting(owner));
ast_party_dialed_copy(ast_channel_dialed(chan), ast_channel_dialed(owner));
ast_connected_line_copy_to_caller(ast_channel_caller(chan), ast_channel_connected(owner));
ast_connected_line_copy_from_caller(ast_channel_connected(chan), ast_channel_caller(owner));
ast_channel_language_set(chan, ast_channel_language(owner));
ast_channel_accountcode_set(chan, ast_channel_accountcode(owner));
ast_channel_musicclass_set(chan, ast_channel_musicclass(owner));
ast_cdr_update(chan);
ast_channel_cc_params_init(chan, ast_channel_get_cc_config_params(owner));
/* Make sure we inherit the AST_CAUSE_ANSWERED_ELSEWHERE if it's set on the queue/dial call request in the dialplan */
if (ast_channel_hangupcause(ast) == AST_CAUSE_ANSWERED_ELSEWHERE) {
ast_channel_hangupcause_set(chan, AST_CAUSE_ANSWERED_ELSEWHERE);
}
/* copy the channel variables from the incoming channel to the outgoing channel */
/* Note that due to certain assumptions, they MUST be in the same order */
AST_LIST_TRAVERSE(ast_channel_varshead(owner), varptr, entries) {
clone_var = ast_var_assign(varptr->name, varptr->value);
if (clone_var) {
AST_LIST_INSERT_TAIL(ast_channel_varshead(chan), clone_var, entries);
}
}
struct ast_channel_snapshot *ast_channel_snapshot_create(struct ast_channel *chan)
{
struct ast_channel_snapshot *snapshot;
struct ast_bridge *bridge;
char nativeformats[256];
struct ast_str *write_transpath = ast_str_alloca(256);
struct ast_str *read_transpath = ast_str_alloca(256);
struct ast_party_id effective_connected_id;
struct ast_callid *callid;
/* no snapshots for dummy channels */
if (!ast_channel_tech(chan)) {
return NULL;
}
snapshot = ao2_alloc(sizeof(*snapshot), channel_snapshot_dtor);
if (!snapshot || ast_string_field_init(snapshot, 1024)) {
ao2_cleanup(snapshot);
return NULL;
}
ast_string_field_set(snapshot, name, ast_channel_name(chan));
ast_string_field_set(snapshot, type, ast_channel_tech(chan)->type);
ast_string_field_set(snapshot, accountcode, ast_channel_accountcode(chan));
ast_string_field_set(snapshot, peeraccount, ast_channel_peeraccount(chan));
ast_string_field_set(snapshot, userfield, ast_channel_userfield(chan));
ast_string_field_set(snapshot, uniqueid, ast_channel_uniqueid(chan));
ast_string_field_set(snapshot, linkedid, ast_channel_linkedid(chan));
ast_string_field_set(snapshot, hangupsource, ast_channel_hangupsource(chan));
if (ast_channel_appl(chan)) {
ast_string_field_set(snapshot, appl, ast_channel_appl(chan));
}
if (ast_channel_data(chan)) {
ast_string_field_set(snapshot, data, ast_channel_data(chan));
}
ast_string_field_set(snapshot, context, ast_channel_context(chan));
ast_string_field_set(snapshot, exten, ast_channel_exten(chan));
ast_string_field_set(snapshot, caller_name,
S_COR(ast_channel_caller(chan)->id.name.valid, ast_channel_caller(chan)->id.name.str, ""));
ast_string_field_set(snapshot, caller_number,
S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, ""));
ast_string_field_set(snapshot, caller_dnid, S_OR(ast_channel_dialed(chan)->number.str, ""));
ast_string_field_set(snapshot, caller_subaddr,
S_COR(ast_channel_caller(chan)->id.subaddress.valid, ast_channel_caller(chan)->id.subaddress.str, ""));
ast_string_field_set(snapshot, dialed_subaddr,
S_COR(ast_channel_dialed(chan)->subaddress.valid, ast_channel_dialed(chan)->subaddress.str, ""));
ast_string_field_set(snapshot, caller_ani,
S_COR(ast_channel_caller(chan)->ani.number.valid, ast_channel_caller(chan)->ani.number.str, ""));
ast_string_field_set(snapshot, caller_rdnis,
S_COR(ast_channel_redirecting(chan)->from.number.valid, ast_channel_redirecting(chan)->from.number.str, ""));
ast_string_field_set(snapshot, caller_dnid,
S_OR(ast_channel_dialed(chan)->number.str, ""));
ast_string_field_set(snapshot, connected_name,
S_COR(ast_channel_connected(chan)->id.name.valid, ast_channel_connected(chan)->id.name.str, ""));
ast_string_field_set(snapshot, connected_number,
S_COR(ast_channel_connected(chan)->id.number.valid, ast_channel_connected(chan)->id.number.str, ""));
ast_string_field_set(snapshot, language, ast_channel_language(chan));
if ((bridge = ast_channel_get_bridge(chan))) {
ast_string_field_set(snapshot, bridgeid, bridge->uniqueid);
ao2_cleanup(bridge);
}
ast_string_field_set(snapshot, nativeformats, ast_getformatname_multiple(nativeformats, sizeof(nativeformats),
ast_channel_nativeformats(chan)));
ast_string_field_set(snapshot, readformat, ast_getformatname(ast_channel_readformat(chan)));
ast_string_field_set(snapshot, writeformat, ast_getformatname(ast_channel_writeformat(chan)));
ast_string_field_set(snapshot, writetrans, ast_translate_path_to_str(ast_channel_writetrans(chan), &write_transpath));
ast_string_field_set(snapshot, readtrans, ast_translate_path_to_str(ast_channel_readtrans(chan), &read_transpath));
effective_connected_id = ast_channel_connected_effective_id(chan);
ast_string_field_set(snapshot, effective_name,
S_COR(effective_connected_id.name.valid, effective_connected_id.name.str, ""));
ast_string_field_set(snapshot, effective_number,
S_COR(effective_connected_id.number.valid, effective_connected_id.number.str, ""));
if ((callid = ast_channel_callid(chan))) {
ast_callid_strnprint(snapshot->callid, sizeof(snapshot->callid), callid);
ast_callid_unref(callid);
}
snapshot->creationtime = ast_channel_creationtime(chan);
snapshot->hanguptime = *(ast_channel_whentohangup(chan));
snapshot->state = ast_channel_state(chan);
snapshot->priority = ast_channel_priority(chan);
snapshot->amaflags = ast_channel_amaflags(chan);
snapshot->hangupcause = ast_channel_hangupcause(chan);
ast_copy_flags(&snapshot->flags, ast_channel_flags(chan), 0xFFFFFFFF);
snapshot->caller_pres = ast_party_id_presentation(&ast_channel_caller(chan)->id);
snapshot->callgroup = ast_channel_callgroup(chan);
snapshot->pickupgroup = ast_channel_pickupgroup(chan);
ast_set_flag(&snapshot->softhangup_flags, ast_channel_softhangup_internal_flag(chan));
snapshot->manager_vars = ast_channel_get_manager_vars(chan);
snapshot->channel_vars = ast_channel_get_vars(chan);
snapshot->tech_properties = ast_channel_tech(chan)->properties;
return snapshot;
}
int ast_unreal_hangup(struct ast_unreal_pvt *p, struct ast_channel *ast)
{
int hangup_chan = 0;
int res = 0;
int cause;
struct ast_channel *owner = NULL;
struct ast_channel *chan = NULL;
/* the pvt isn't going anywhere, it has a ref */
ast_channel_unlock(ast);
/* lock everything */
ast_unreal_lock_all(p, &chan, &owner);
if (ast != chan && ast != owner) {
res = -1;
goto unreal_hangup_cleanup;
}
cause = ast_channel_hangupcause(ast);
if (ast == p->chan) {
/* Outgoing side is hanging up. */
ast_clear_flag(p, AST_UNREAL_CARETAKER_THREAD);
p->chan = NULL;
if (p->owner) {
const char *status = pbx_builtin_getvar_helper(p->chan, "DIALSTATUS");
if (status) {
ast_channel_hangupcause_set(p->owner, cause);
pbx_builtin_setvar_helper(p->owner, "CHANLOCALSTATUS", status);
}
ast_queue_hangup_with_cause(p->owner, cause);
}
} else {
/* Owner side is hanging up. */
p->owner = NULL;
if (p->chan) {
if (cause == AST_CAUSE_ANSWERED_ELSEWHERE) {
ast_channel_hangupcause_set(p->chan, AST_CAUSE_ANSWERED_ELSEWHERE);
ast_debug(2, "%s has AST_CAUSE_ANSWERED_ELSEWHERE set.\n",
ast_channel_name(p->chan));
}
if (!ast_test_flag(p, AST_UNREAL_CARETAKER_THREAD)) {
/*
* Need to actually hangup p->chan since nothing else is taking
* care of it.
*/
hangup_chan = 1;
} else {
ast_queue_hangup_with_cause(p->chan, cause);
}
}
}
/* this is one of our locked channels, doesn't matter which */
ast_channel_tech_pvt_set(ast, NULL);
ao2_ref(p, -1);
unreal_hangup_cleanup:
ao2_unlock(p);
if (owner) {
ast_channel_unlock(owner);
ast_channel_unref(owner);
}
if (chan) {
ast_channel_unlock(chan);
if (hangup_chan) {
ast_hangup(chan);
}
ast_channel_unref(chan);
}
/* leave with the channel locked that came in */
ast_channel_lock(ast);
return res;
}
/*!
* \internal
* \brief Handle COLP and redirecting conditions.
* \since 12.0.0
*
* \param p Unreal private structure.
* \param ast Channel indicating the condition.
* \param condition What is being indicated.
*
* \retval 0 on success.
* \retval -1 on error.
*/
static int unreal_colp_redirect_indicate(struct ast_unreal_pvt *p, struct ast_channel *ast, int condition)
{
struct ast_channel *my_chan;
struct ast_channel *my_owner;
struct ast_channel *this_channel;
struct ast_channel *the_other_channel;
int isoutbound;
int res = 0;
unsigned char frame_data[1024];
struct ast_frame f = {
.frametype = AST_FRAME_CONTROL,
.subclass.integer = condition,
.data.ptr = frame_data,
};
/*
* A connected line update frame may only contain a partial
* amount of data, such as just a source, or just a ton, and not
* the full amount of information. However, the collected
* information is all stored in the outgoing channel's
* connectedline structure, so when receiving a connected line
* update on an outgoing unreal channel, we need to transmit the
* collected connected line information instead of whatever
* happens to be in this control frame. The same applies for
* redirecting information, which is why it is handled here as
* well.
*/
ast_channel_unlock(ast);
ast_unreal_lock_all(p, &my_chan, &my_owner);
isoutbound = AST_UNREAL_IS_OUTBOUND(ast, p);
if (isoutbound) {
this_channel = p->chan;
the_other_channel = p->owner;
} else {
this_channel = p->owner;
the_other_channel = p->chan;
}
if (the_other_channel) {
if (condition == AST_CONTROL_CONNECTED_LINE) {
ast_connected_line_copy_to_caller(ast_channel_caller(the_other_channel),
ast_channel_connected(this_channel));
f.datalen = ast_connected_line_build_data(frame_data, sizeof(frame_data),
ast_channel_connected(this_channel), NULL);
} else {
f.datalen = ast_redirecting_build_data(frame_data, sizeof(frame_data),
ast_channel_redirecting(this_channel), NULL);
}
}
if (my_chan) {
ast_channel_unlock(my_chan);
ast_channel_unref(my_chan);
}
if (my_owner) {
ast_channel_unlock(my_owner);
ast_channel_unref(my_owner);
}
if (the_other_channel) {
res = unreal_queue_frame(p, isoutbound, &f, ast, 0);
}
ao2_unlock(p);
ast_channel_lock(ast);
return res;
}
int ast_unreal_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen)
{
struct ast_unreal_pvt *p = ast_channel_tech_pvt(ast);
int res = 0;
if (!p) {
return -1;
}
ao2_ref(p, 1); /* ref for unreal_queue_frame */
switch (condition) {
case AST_CONTROL_CONNECTED_LINE:
case AST_CONTROL_REDIRECTING:
res = unreal_colp_redirect_indicate(p, ast, condition);
break;
case AST_CONTROL_HOLD:
if (ast_test_flag(p, AST_UNREAL_MOH_INTERCEPT)) {
ast_moh_start(ast, data, NULL);
break;
}
res = unreal_queue_indicate(p, ast, condition, data, datalen);
break;
case AST_CONTROL_UNHOLD:
if (ast_test_flag(p, AST_UNREAL_MOH_INTERCEPT)) {
ast_moh_stop(ast);
break;
}
res = unreal_queue_indicate(p, ast, condition, data, datalen);
break;
default:
res = unreal_queue_indicate(p, ast, condition, data, datalen);
break;
}
ao2_ref(p, -1);
return res;
}
int ast_unreal_digit_begin(struct ast_channel *ast, char digit)
{
struct ast_unreal_pvt *p = ast_channel_tech_pvt(ast);
int res = -1;
struct ast_frame f = { AST_FRAME_DTMF_BEGIN, };
int isoutbound;
if (!p) {
return -1;
}
ao2_ref(p, 1); /* ref for unreal_queue_frame */
ao2_lock(p);
isoutbound = AST_UNREAL_IS_OUTBOUND(ast, p);
f.subclass.integer = digit;
res = unreal_queue_frame(p, isoutbound, &f, ast, 0);
ao2_unlock(p);
ao2_ref(p, -1);
return res;
}
int ast_unreal_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
{
struct ast_unreal_pvt *p = ast_channel_tech_pvt(ast);
int res = -1;
struct ast_frame f = { AST_FRAME_DTMF_END, };
int isoutbound;
if (!p) {
return -1;
}
ao2_ref(p, 1); /* ref for unreal_queue_frame */
ao2_lock(p);
isoutbound = AST_UNREAL_IS_OUTBOUND(ast, p);
f.subclass.integer = digit;
f.len = duration;
res = unreal_queue_frame(p, isoutbound, &f, ast, 0);
ao2_unlock(p);
ao2_ref(p, -1);
return res;
}
int ast_unreal_sendtext(struct ast_channel *ast, const char *text)
{
struct ast_unreal_pvt *p = ast_channel_tech_pvt(ast);
int res = -1;
struct ast_frame f = { AST_FRAME_TEXT, };
int isoutbound;
if (!p) {
return -1;
}
ao2_ref(p, 1); /* ref for unreal_queue_frame */
ao2_lock(p);
isoutbound = AST_UNREAL_IS_OUTBOUND(ast, p);
f.data.ptr = (char *) text;
f.datalen = strlen(text) + 1;
res = unreal_queue_frame(p, isoutbound, &f, ast, 0);
ao2_unlock(p);
ao2_ref(p, -1);
return res;
}
int ast_unreal_sendhtml(struct ast_channel *ast, int subclass, const char *data, int datalen)
{
struct ast_unreal_pvt *p = ast_channel_tech_pvt(ast);
int res = -1;
struct ast_frame f = { AST_FRAME_HTML, };
int isoutbound;
if (!p) {
return -1;
}
ao2_ref(p, 1); /* ref for unreal_queue_frame */
ao2_lock(p);
isoutbound = AST_UNREAL_IS_OUTBOUND(ast, p);
f.subclass.integer = subclass;
f.data.ptr = (char *)data;
f.datalen = datalen;
res = unreal_queue_frame(p, isoutbound, &f, ast, 0);
ao2_unlock(p);
ao2_ref(p, -1);
return res;
}
void ast_unreal_call_setup(struct ast_channel *semi1, struct ast_channel *semi2)
{
struct ast_var_t *varptr;
struct ast_var_t *clone_var;
/*
* Note that cid_num and cid_name aren't passed in the
* ast_channel_alloc calls in ast_unreal_new_channels(). It's
* done here instead.
*/
ast_party_redirecting_copy(ast_channel_redirecting(semi2), ast_channel_redirecting(semi1));
ast_party_dialed_copy(ast_channel_dialed(semi2), ast_channel_dialed(semi1));
ast_connected_line_copy_to_caller(ast_channel_caller(semi2), ast_channel_connected(semi1));
ast_connected_line_copy_from_caller(ast_channel_connected(semi2), ast_channel_caller(semi1));
ast_channel_language_set(semi2, ast_channel_language(semi1));
ast_channel_accountcode_set(semi2, ast_channel_accountcode(semi1));
ast_channel_musicclass_set(semi2, ast_channel_musicclass(semi1));
ast_channel_cc_params_init(semi2, ast_channel_get_cc_config_params(semi1));
/*
* Make sure we inherit the AST_CAUSE_ANSWERED_ELSEWHERE if it's
* set on the queue/dial call request in the dialplan.
*/
if (ast_channel_hangupcause(semi1) == AST_CAUSE_ANSWERED_ELSEWHERE) {
ast_channel_hangupcause_set(semi2, AST_CAUSE_ANSWERED_ELSEWHERE);
}
/*
* Copy the channel variables from the semi1 channel to the
* outgoing channel.
*
* Note that due to certain assumptions, they MUST be in the
* same order.
*/
AST_LIST_TRAVERSE(ast_channel_varshead(semi1), varptr, entries) {
clone_var = ast_var_assign(varptr->name, varptr->value);
if (clone_var) {
AST_LIST_INSERT_TAIL(ast_channel_varshead(semi2), clone_var, entries);
}
}
ast_channel_datastore_inherit(semi1, semi2);
}