/* Called with ast locked */
static int local_queryoption(struct ast_channel *ast, int option, void *data, int *datalen)
{
struct local_pvt *p;
struct ast_channel *bridged = NULL;
struct ast_channel *tmp = NULL;
int res = 0;
if (option != AST_OPTION_T38_STATE) {
/* AST_OPTION_T38_STATE is the only supported option at this time */
return -1;
}
/* for some reason the channel is not locked in channel.c when this function is called */
if (!(p = ast_channel_tech_pvt(ast))) {
return -1;
}
ao2_lock(p);
if (!(tmp = IS_OUTBOUND(ast, p) ? p->owner : p->chan)) {
ao2_unlock(p);
return -1;
}
ast_channel_ref(tmp);
ao2_unlock(p);
ast_channel_unlock(ast); /* Held when called, unlock before locking another channel */
ast_channel_lock(tmp);
if (!(bridged = ast_bridged_channel(tmp))) {
res = -1;
ast_channel_unlock(tmp);
goto query_cleanup;
}
ast_channel_ref(bridged);
ast_channel_unlock(tmp);
query_cleanup:
if (bridged) {
res = ast_channel_queryoption(bridged, option, data, datalen, 0);
bridged = ast_channel_unref(bridged);
}
if (tmp) {
tmp = ast_channel_unref(tmp);
}
ast_channel_lock(ast); /* Lock back before we leave */
return res;
}
/* Called with ast locked */
int ast_unreal_queryoption(struct ast_channel *ast, int option, void *data, int *datalen)
{
struct ast_unreal_pvt *p;
struct ast_channel *peer;
struct ast_channel *other;
int res = 0;
if (option != AST_OPTION_T38_STATE) {
/* AST_OPTION_T38_STATE is the only supported option at this time */
return -1;
}
/* for some reason the channel is not locked in channel.c when this function is called */
if (!(p = ast_channel_tech_pvt(ast))) {
return -1;
}
ao2_lock(p);
other = AST_UNREAL_IS_OUTBOUND(ast, p) ? p->owner : p->chan;
if (!other) {
ao2_unlock(p);
return -1;
}
ast_channel_ref(other);
ao2_unlock(p);
ast_channel_unlock(ast); /* Held when called, unlock before locking another channel */
peer = ast_channel_bridge_peer(other);
if (peer) {
res = ast_channel_queryoption(peer, option, data, datalen, 0);
ast_channel_unref(peer);
}
ast_channel_unref(other);
ast_channel_lock(ast); /* Lock back before we leave */
return res;
}
