static struct ast_channel *media_request_helper(struct ast_format_cap *cap, const struct ast_assigned_ids *assignedids,
const struct ast_channel *requestor, const char *data, struct ast_channel_tech *tech, const char *role)
{
struct ast_channel *chan;
ast_callid callid;
RAII_VAR(struct ast_unreal_pvt *, pvt, NULL, ao2_cleanup);
if (!(pvt = ast_unreal_alloc(sizeof(*pvt), ast_unreal_destructor, cap))) {
return NULL;
}
ast_copy_string(pvt->name, data, sizeof(pvt->name));
ast_set_flag(pvt, AST_UNREAL_NO_OPTIMIZATION);
callid = ast_read_threadstorage_callid();
chan = ast_unreal_new_channels(pvt, tech,
AST_STATE_UP, AST_STATE_UP, NULL, NULL, assignedids, requestor, callid);
if (!chan) {
return NULL;
}
ast_answer(pvt->owner);
ast_answer(pvt->chan);
if (ast_channel_add_bridge_role(pvt->chan, role)) {
ast_hangup(chan);
return NULL;
}
return chan;
}
/*! \brief Part of PBX interface */
static struct ast_channel *local_request(const char *type, struct ast_format_cap *cap, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, const char *data, int *cause)
{
struct local_pvt *p;
struct ast_channel *chan;
ast_callid callid;
/* Allocate a new private structure and then Asterisk channels */
p = local_alloc(data, cap);
if (!p) {
return NULL;
}
callid = ast_read_threadstorage_callid();
chan = ast_unreal_new_channels(&p->base, &local_tech, AST_STATE_DOWN, AST_STATE_RING,
p->exten, p->context, assignedids, requestor, callid);
if (chan) {
ao2_link(locals, p);
}
ao2_ref(p, -1); /* kill the ref from the alloc */
return chan;
}
static void launch_monitor_thread(struct ast_channel *chan, const char *filename,
unsigned int flags, int readvol, int writevol,
const char *post_process, const char *filename_write,
char *filename_read, const char *uid_channel_var)
{
pthread_t thread;
struct mixmonitor *mixmonitor;
char postprocess2[1024] = "";
char *datastore_id = NULL;
postprocess2[0] = 0;
/* If a post process system command is given attach it to the structure */
if (!ast_strlen_zero(post_process)) {
char *p1, *p2;
p1 = ast_strdupa(post_process);
for (p2 = p1; *p2; p2++) {
if (*p2 == '^' && *(p2+1) == '{') {
*p2 = '$';
}
}
pbx_substitute_variables_helper(chan, p1, postprocess2, sizeof(postprocess2) - 1);
}
/* Pre-allocate mixmonitor structure and spy */
if (!(mixmonitor = ast_calloc(1, sizeof(*mixmonitor)))) {
return;
}
/* Setup the actual spy before creating our thread */
if (ast_audiohook_init(&mixmonitor->audiohook, AST_AUDIOHOOK_TYPE_SPY, mixmonitor_spy_type, 0)) {
mixmonitor_free(mixmonitor);
return;
}
/* Copy over flags and channel name */
mixmonitor->flags = flags;
if (!(mixmonitor->autochan = ast_autochan_setup(chan))) {
mixmonitor_free(mixmonitor);
return;
}
if (setup_mixmonitor_ds(mixmonitor, chan, &datastore_id)) {
ast_autochan_destroy(mixmonitor->autochan);
mixmonitor_free(mixmonitor);
ast_free(datastore_id);
return;
}
if (!ast_strlen_zero(uid_channel_var)) {
if (datastore_id) {
pbx_builtin_setvar_helper(chan, uid_channel_var, datastore_id);
}
}
ast_free(datastore_id);
mixmonitor->name = ast_strdup(ast_channel_name(chan));
if (!ast_strlen_zero(postprocess2)) {
mixmonitor->post_process = ast_strdup(postprocess2);
}
if (!ast_strlen_zero(filename)) {
mixmonitor->filename = ast_strdup(filename);
}
if (!ast_strlen_zero(filename_write)) {
mixmonitor->filename_write = ast_strdup(filename_write);
}
if (!ast_strlen_zero(filename_read)) {
mixmonitor->filename_read = ast_strdup(filename_read);
}
ast_set_flag(&mixmonitor->audiohook, AST_AUDIOHOOK_TRIGGER_SYNC);
if (readvol)
mixmonitor->audiohook.options.read_volume = readvol;
if (writevol)
mixmonitor->audiohook.options.write_volume = writevol;
if (startmon(chan, &mixmonitor->audiohook)) {
ast_log(LOG_WARNING, "Unable to add '%s' spy to channel '%s'\n",
mixmonitor_spy_type, ast_channel_name(chan));
ast_audiohook_destroy(&mixmonitor->audiohook);
mixmonitor_free(mixmonitor);
return;
}
/* reference be released at mixmonitor destruction */
mixmonitor->callid = ast_read_threadstorage_callid();
ast_pthread_create_detached_background(&thread, NULL, mixmonitor_thread, mixmonitor);
}
