PJ_DEF(pj_xml_node*) pj_xml_clone( pj_pool_t *pool, const pj_xml_node *rhs)
{
pj_xml_node *node;
const pj_xml_attr *r_attr;
const pj_xml_node *child;
node = alloc_node(pool);
pj_strdup(pool, &node->name, &rhs->name);
pj_strdup(pool, &node->content, &rhs->content);
/* Clone all attributes */
r_attr = rhs->attr_head.next;
while (r_attr != &rhs->attr_head) {
pj_xml_attr *attr;
attr = alloc_attr(pool);
pj_strdup(pool, &attr->name, &r_attr->name);
pj_strdup(pool, &attr->value, &r_attr->value);
pj_list_push_back(&node->attr_head, attr);
r_attr = r_attr->next;
}
/* Clone all child nodes. */
child = rhs->node_head.next;
while (child != (pj_xml_node*) &rhs->node_head) {
pj_xml_node *new_child;
new_child = pj_xml_clone(pool, child);
pj_list_push_back(&node->node_head, new_child);
child = child->next;
}
return node;
}
/*
* Reset the echo canceller.
*/
PJ_DEF(pj_status_t) pjmedia_echo_reset(pjmedia_echo_state *echo )
{
while (!pj_list_empty(&echo->lat_buf)) {
struct frame *frm;
frm = echo->lat_buf.next;
pj_list_erase(frm);
pj_list_push_back(&echo->lat_free, frm);
}
echo->lat_ready = PJ_FALSE;
pjmedia_delay_buf_reset(echo->delay_buf);
echo->op->ec_reset(echo->state);
return PJ_SUCCESS;
}
static void* multipart_clone_data(pj_pool_t *pool, const void *data,
unsigned len)
{
const struct multipart_data *src;
struct multipart_data *dst;
const pjsip_multipart_part *src_part;
PJ_UNUSED_ARG(len);
src = (const struct multipart_data*) data;
dst = PJ_POOL_ALLOC_T(pool, struct multipart_data);
pj_list_init(&dst->part_head);
pj_strdup(pool, &dst->boundary, &src->boundary);
src_part = src->part_head.next;
while (src_part != &src->part_head) {
pjsip_multipart_part *dst_part;
const pjsip_hdr *src_hdr;
dst_part = pjsip_multipart_create_part(pool);
src_hdr = src_part->hdr.next;
while (src_hdr != &src_part->hdr) {
pjsip_hdr *dst_hdr = (pjsip_hdr*)pjsip_hdr_clone(pool, src_hdr);
pj_list_push_back(&dst_part->hdr, dst_hdr);
src_hdr = src_hdr->next;
}
dst_part->body = pjsip_msg_body_clone(pool, src_part->body);
pj_list_push_back(&dst->part_head, dst_part);
src_part = src_part->next;
}
return (void*)dst;
}
static void ui_call_transfer(pj_bool_t no_refersub)
{
if (current_call == -1) {
PJ_LOG(3,(THIS_FILE, "No current call"));
} else {
int call = current_call;
char buf[128];
pjsip_generic_string_hdr refer_sub;
pj_str_t STR_REFER_SUB = { "Refer-Sub", 9 };
pj_str_t STR_FALSE = { "false", 5 };
pjsua_call_info ci;
input_result result;
pjsua_msg_data msg_data;
pjsua_call_get_info(current_call, &ci);
printf("Transferring current call [%d] %.*s\n", current_call,
(int)ci.remote_info.slen, ci.remote_info.ptr);
ui_input_url("Transfer to URL", buf, sizeof(buf), &result);
/* Check if call is still there. */
if (call != current_call) {
puts("Call has been disconnected");
return;
}
pjsua_msg_data_init(&msg_data);
if (no_refersub) {
/* Add Refer-Sub: false in outgoing REFER request */
pjsip_generic_string_hdr_init2(&refer_sub, &STR_REFER_SUB,
&STR_FALSE);
pj_list_push_back(&msg_data.hdr_list, &refer_sub);
}
if (result.nb_result != PJSUA_APP_NO_NB) {
if (result.nb_result == -1 || result.nb_result == 0)
puts("You can't do that with transfer call!");
else {
pjsua_buddy_info binfo;
pjsua_buddy_get_info(result.nb_result-1, &binfo);
pjsua_call_xfer( current_call, &binfo.uri, &msg_data);
}
} else if (result.uri_result) {
pj_str_t tmp;
tmp = pj_str(result.uri_result);
pjsua_call_xfer( current_call, &tmp, &msg_data);
}
}
}
/*
* Create an empty multipart body.
*/
PJ_DEF(pjsip_msg_body*) pjsip_multipart_create( pj_pool_t *pool,
const pjsip_media_type *ctype,
const pj_str_t *boundary)
{
pjsip_msg_body *body;
pjsip_param *ctype_param;
struct multipart_data *mp_data;
pj_str_t STR_BOUNDARY = { "boundary", 8 };
PJ_ASSERT_RETURN(pool, NULL);
body = PJ_POOL_ZALLOC_T(pool, pjsip_msg_body);
/* content-type */
if (ctype && ctype->type.slen) {
pjsip_media_type_cp(pool, &body->content_type, ctype);
} else {
pj_str_t STR_MULTIPART = {"multipart", 9};
pj_str_t STR_MIXED = { "mixed", 5 };
pjsip_media_type_init(&body->content_type,
&STR_MULTIPART, &STR_MIXED);
}
/* multipart data */
mp_data = PJ_POOL_ZALLOC_T(pool, struct multipart_data);
pj_list_init(&mp_data->part_head);
if (boundary) {
pj_strdup(pool, &mp_data->boundary, boundary);
} else {
pj_create_unique_string(pool, &mp_data->boundary);
}
body->data = mp_data;
/* Add ";boundary" parameter to content_type parameter. */
ctype_param = pjsip_param_find(&body->content_type.param, &STR_BOUNDARY);
if (!ctype_param) {
ctype_param = PJ_POOL_ALLOC_T(pool, pjsip_param);
ctype_param->name = STR_BOUNDARY;
pj_list_push_back(&body->content_type.param, ctype_param);
}
ctype_param->value = mp_data->boundary;
/* function pointers */
body->print_body = &multipart_print_body;
body->clone_data = &multipart_clone_data;
return body;
}
static void init_media_type(pjsip_media_type *mt,
char *type, char *subtype, char *boundary)
{
static pjsip_param prm;
pjsip_media_type_init(mt, NULL, NULL);
if (type) mt->type = pj_str(type);
if (subtype) mt->subtype = pj_str(subtype);
if (boundary) {
pj_list_init(&prm);
prm.name = pj_str("boundary");
prm.value = pj_str(boundary);
pj_list_push_back(&mt->param, &prm);
}
}
/*
* Let the Echo Canceller know that a frame has been played to the speaker.
*/
PJ_DEF(pj_status_t) pjmedia_echo_playback( pjmedia_echo_state *echo,
pj_int16_t *play_frm )
{
/* If EC algo has playback handler, just pass the frame. */
if (echo->op->ec_playback) {
return (*echo->op->ec_playback)(echo->state, play_frm);
}
/* Playing frame should be stored, as it will be used by echo_capture()
* as reference frame, delay buffer is used for storing the playing frames
* as in case there was clock drift between mic & speaker.
*
* Ticket #830:
* Note that pjmedia_delay_buf_put() may modify the input frame and those
* modified frames may not be smooth, i.e: if there were two or more
* consecutive pjmedia_delay_buf_get() before next pjmedia_delay_buf_put(),
* so we'll just feed the delay buffer with the copy of playing frame,
* instead of the original playing frame. However this will cause the EC
* uses slight 'different' frames (for reference) than actually played
* by the speaker.
*/
pjmedia_copy_samples(echo->frm_buf, play_frm,
echo->samples_per_frame);
pjmedia_delay_buf_put(echo->delay_buf, echo->frm_buf);
if (!echo->lat_ready) {
/* We've not built enough latency in the buffer, so put this frame
* in the latency buffer list.
*/
struct frame *frm;
if (pj_list_empty(&echo->lat_free)) {
echo->lat_ready = PJ_TRUE;
PJ_LOG(5,(echo->obj_name, "Latency bufferring complete"));
return PJ_SUCCESS;
}
frm = echo->lat_free.prev;
pj_list_erase(frm);
/* Move one frame from delay buffer to the latency buffer. */
pjmedia_delay_buf_get(echo->delay_buf, echo->frm_buf);
pjmedia_copy_samples(frm->buf, echo->frm_buf, echo->samples_per_frame);
pj_list_push_back(&echo->lat_buf, frm);
}
return PJ_SUCCESS;
}
/*
* Let the Echo Canceller know that a frame has been played to the speaker.
*/
pj_status_t pjs_echo_canceller::playback(pj_int16_t *play_frm, unsigned size) {
/* Playing frame should be stored, as it will be used by echo_capture()
* as reference frame, delay buffer is used for storing the playing frames
* as in case there was clock drift between mic & speaker.
*
* Ticket #830:
* Note that pjmedia_delay_buf_put() may modify the input frame and those
* modified frames may not be smooth, i.e: if there were two or more
* consecutive pjmedia_delay_buf_get() before next pjmedia_delay_buf_put(),
* so we'll just feed the delay buffer with the copy of playing frame,
* instead of the original playing frame. However this will cause the EC
* uses slight 'different' frames (for reference) than actually played
* by the speaker.
*/
if(samples_per_frame!=size)
{
PJ_LOG(1, (THIS_FILE, "WRONG SIZE ON PLAYBACK %d != %d",size,samples_per_frame));
return -1;
}
PPJ_WaitAndLock wl(*lock);
pjmedia_copy_samples(frm_buf, play_frm, samples_per_frame);
pjmedia_delay_buf_put(delay_buf, frm_buf);
if (!lat_ready) {
/* We've not built enough latency in the buffer, so put this frame
* in the latency buffer list.
*/
struct frame *frm;
if (pj_list_empty(&lat_free)) {
lat_ready = PJ_TRUE;
PJ_LOG(4, (THIS_FILE, "Latency bufferring complete"));
return PJ_SUCCESS;
}
frm = lat_free.prev;
pj_list_erase(frm);
/* Move one frame from delay buffer to the latency buffer. */
pjmedia_delay_buf_get(delay_buf, frm_buf);
pjmedia_copy_samples(frm->buf, frm_buf, samples_per_frame);
pj_list_push_back(&lat_buf, frm);
}
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pjsip_publishc_set_headers( pjsip_publishc *pubc,
const pjsip_hdr *hdr_list)
{
const pjsip_hdr *h;
PJ_ASSERT_RETURN(pubc && hdr_list, PJ_EINVAL);
pj_list_init(&pubc->usr_hdr);
h = hdr_list->next;
while (h != hdr_list) {
pj_list_push_back(&pubc->usr_hdr, pjsip_hdr_clone(pubc->pool, h));
h = h->next;
}
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pjsip_ua_unregister_dlg( pjsip_user_agent *ua,
pjsip_dialog *dlg )
{
struct dlg_set *dlg_set;
pjsip_dialog *d;
/* Sanity-check arguments. */
PJ_ASSERT_RETURN(ua && dlg, PJ_EINVAL);
/* Check that dialog has been registered. */
PJ_ASSERT_RETURN(dlg->dlg_set, PJ_EINVALIDOP);
/* Lock user agent. */
pj_mutex_lock(mod_ua.mutex);
/* Find this dialog from the dialog set. */
dlg_set = (struct dlg_set*) dlg->dlg_set;
d = dlg_set->dlg_list.next;
while (d != (pjsip_dialog*)&dlg_set->dlg_list && d != dlg) {
d = d->next;
}
if (d != dlg) {
pj_assert(!"Dialog is not registered!");
pj_mutex_unlock(mod_ua.mutex);
return PJ_EINVALIDOP;
}
/* Remove this dialog from the list. */
pj_list_erase(dlg);
/* If dialog list is empty, remove the dialog set from the hash table. */
if (pj_list_empty(&dlg_set->dlg_list)) {
pj_hash_set_lower(NULL, mod_ua.dlg_table, dlg->local.info->tag.ptr,
(unsigned)dlg->local.info->tag.slen,
dlg->local.tag_hval, NULL);
/* Return dlg_set to free nodes. */
pj_list_push_back(&mod_ua.free_dlgset_nodes, dlg_set);
}
/* Unlock user agent. */
pj_mutex_unlock(mod_ua.mutex);
/* Done. */
return PJ_SUCCESS;
}
/* Decrement the key's reference counter, and when the counter reach zero,
* destroy the key.
*/
static void decrement_counter(pj_ioqueue_key_t *key)
{
if (pj_atomic_dec_and_get(key->ref_count) == 0) {
pj_lock_acquire(key->ioqueue->lock);
pj_assert(key->closing == 1);
pj_gettickcount(&key->free_time);
key->free_time.msec += PJ_IOQUEUE_KEY_FREE_DELAY;
pj_time_val_normalize(&key->free_time);
pj_list_erase(key);
pj_list_push_back(&key->ioqueue->closing_list, key);
pj_lock_release(key->ioqueue->lock);
}
}
PJ_DEF(pj_status_t) pjsip_regc_set_route_set( pjsip_regc *regc,
const pjsip_route_hdr *route_set)
{
const pjsip_route_hdr *chdr;
PJ_ASSERT_RETURN(regc && route_set, PJ_EINVAL);
pj_list_init(®c->route_set);
chdr = route_set->next;
while (chdr != route_set) {
pj_list_push_back(®c->route_set, pjsip_hdr_clone(regc->pool, chdr));
chdr = chdr->next;
}
return PJ_SUCCESS;
}
PJ_DECL(pj_status_t) csipsimple_msg_data_add_string_hdr(pj_pool_t* pool, pjsua_msg_data* msg_data, pj_str_t* hdr_name, pj_str_t* hdr_value){
// Sanity check
PJ_ASSERT_RETURN(msg_data != NULL && hdr_name != NULL && hdr_value != NULL, PJ_EINVAL);
if(hdr_name->slen <= 2 || hdr_value->slen <= 0){
return PJ_EINVAL;
}
// Ensure it's a X- prefixed header. This is to avoid crappy usage/override of specified headers
// That should be implemented properly elsewhere.
if(hdr_name->ptr[0] != 'X' || hdr_name->ptr[1] != '-'){
return PJ_EINVAL;
}
pjsip_generic_string_hdr* hdr = pjsip_generic_string_hdr_create(pool,
hdr_name, hdr_value);
// Push it to msg data
pj_list_push_back(&msg_data->hdr_list, hdr);
}
pjsip_multipart_clone_part(pj_pool_t *pool,
const pjsip_multipart_part *src)
{
pjsip_multipart_part *dst;
const pjsip_hdr *hdr;
dst = pjsip_multipart_create_part(pool);
hdr = src->hdr.next;
while (hdr != &src->hdr) {
pj_list_push_back(&dst->hdr, pjsip_hdr_clone(pool, hdr));
hdr = hdr->next;
}
dst->body = pjsip_msg_body_clone(pool, src->body);
return dst;
}
PJ_DEF(pj_status_t) pjsip_regc_add_headers( pjsip_regc *regc,
const pjsip_hdr *hdr_list)
{
const pjsip_hdr *hdr;
PJ_ASSERT_RETURN(regc && hdr_list, PJ_EINVAL);
//This is "add" operation, so don't remove headers.
//pj_list_init(®c->hdr_list);
hdr = hdr_list->next;
while (hdr != hdr_list) {
pj_list_push_back(®c->hdr_list, pjsip_hdr_clone(regc->pool, hdr));
hdr = hdr->next;
}
return PJ_SUCCESS;
}
/*
* Register a codec factory.
*/
PJ_DEF(pj_status_t) pjmedia_codec_mgr_register_factory( pjmedia_codec_mgr *mgr,
pjmedia_codec_factory *factory)
{
pjmedia_codec_info info[PJMEDIA_CODEC_MGR_MAX_CODECS];
unsigned i, count;
pj_status_t status;
PJ_ASSERT_RETURN(mgr && factory, PJ_EINVAL);
/* Enum codecs */
count = PJ_ARRAY_SIZE(info);
status = factory->op->enum_info(factory, &count, info);
if (status != PJ_SUCCESS)
return status;
/* Check codec count */
if (count + mgr->codec_cnt > PJ_ARRAY_SIZE(mgr->codec_desc))
return PJ_ETOOMANY;
/* Save the codecs */
for (i=0; i<count; ++i) {
pj_memcpy( &mgr->codec_desc[mgr->codec_cnt+i],
&info[i], sizeof(pjmedia_codec_info));
mgr->codec_desc[mgr->codec_cnt+i].prio = PJMEDIA_CODEC_PRIO_NORMAL;
mgr->codec_desc[mgr->codec_cnt+i].factory = factory;
pjmedia_codec_info_to_id( &info[i],
mgr->codec_desc[mgr->codec_cnt+i].id,
sizeof(pjmedia_codec_id));
}
/* Update count */
mgr->codec_cnt += count;
/* Re-sort codec based on priorities */
sort_codecs(mgr);
/* Add factory to the list */
pj_list_push_back(&mgr->factory_list, factory);
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pjmedia_endpt_atexit( pjmedia_endpt *endpt,
pjmedia_endpt_exit_callback func)
{
exit_cb *new_cb;
PJ_ASSERT_RETURN(endpt && func, PJ_EINVAL);
if (endpt->quit_flag)
return PJ_EINVALIDOP;
new_cb = PJ_POOL_ZALLOC_T(endpt->pool, exit_cb);
new_cb->func = func;
pj_enter_critical_section();
pj_list_push_back(&endpt->exit_cb_list, new_cb);
pj_leave_critical_section();
return PJ_SUCCESS;
}
/* Scan closing keys to be put to free list again */
static void scan_closing_keys(pj_ioqueue_t *ioqueue)
{
pj_time_val now;
pj_ioqueue_key_t *h;
pj_gettimeofday(&now);
h = ioqueue->closing_list.next;
while (h != &ioqueue->closing_list) {
pj_ioqueue_key_t *next = h->next;
pj_assert(h->closing != 0);
if (PJ_TIME_VAL_GTE(now, h->free_time)) {
pj_list_erase(h);
pj_list_push_back(&ioqueue->free_list, h);
}
h = next;
}
}
/* Decrement the key's reference counter, and when the counter reach zero,
* destroy the key.
*
* Note: MUST NOT CALL THIS FUNCTION WHILE HOLDING ioqueue's LOCK.
*/
static void decrement_counter(pj_ioqueue_key_t *key)
{
pj_lock_acquire(key->ioqueue->lock);
pj_mutex_lock(key->ioqueue->ref_cnt_mutex);
--key->ref_count;
if (key->ref_count == 0) {
pj_assert(key->closing == 1);
pj_gettimeofday(&key->free_time);
key->free_time.msec += PJ_IOQUEUE_KEY_FREE_DELAY;
pj_time_val_normalize(&key->free_time);
pj_list_erase(key);
pj_list_push_back(&key->ioqueue->closing_list, key);
}
pj_mutex_unlock(key->ioqueue->ref_cnt_mutex);
pj_lock_release(key->ioqueue->lock);
}
PJ_DEF(pj_status_t) pjmedia_event_subscribe( pjmedia_event_mgr *mgr,
pjmedia_event_cb *cb,
void *user_data,
void *epub)
{
esub *sub;
PJ_ASSERT_RETURN(cb, PJ_EINVAL);
if (!mgr) mgr = pjmedia_event_mgr_instance();
PJ_ASSERT_RETURN(mgr, PJ_EINVAL);
pj_mutex_lock(mgr->mutex);
/* Check whether callback function with the same user data is already
* subscribed to the publisher. This is to prevent the callback function
* receiving the same event from the same publisher more than once.
*/
sub = mgr->esub_list.next;
while (sub != &mgr->esub_list) {
esub *next = sub->next;
if (sub->cb == cb && sub->user_data == user_data &&
sub->epub == epub)
{
pj_mutex_unlock(mgr->mutex);
return PJ_SUCCESS;
}
sub = next;
}
if (mgr->free_esub_list.next != &mgr->free_esub_list) {
sub = mgr->free_esub_list.next;
pj_list_erase(sub);
} else
sub = PJ_POOL_ZALLOC_T(mgr->pool, esub);
sub->cb = cb;
sub->user_data = user_data;
sub->epub = epub;
pj_list_push_back(&mgr->esub_list, sub);
pj_mutex_unlock(mgr->mutex);
return PJ_SUCCESS;
}
pj_status_t BlabbleCall::MakeCall(const std::string& dest, const std::string& identity)
{
BlabbleAccountPtr p = parent_.lock();
if (!p)
return false;
if (call_id_ != INVALID_CALL)
return false;
pj_status_t status;
pj_str_t desturi;
desturi.ptr = const_cast<char*>(dest.c_str());
desturi.slen = dest.length();
if (!identity.empty())
{
pjsua_msg_data msgData;
pjsua_msg_data_init(&msgData);
pjsip_generic_string_hdr cidHdr;
pj_str_t name = pj_str(const_cast<char*>("P-Asserted-Identity"));
pj_str_t value = pj_str(const_cast<char*>(identity.c_str()));
pjsip_generic_string_hdr_init2(&cidHdr, &name, &value);
pj_list_push_back(&msgData.hdr_list, &cidHdr);
status = pjsua_call_make_call(acct_id_, &desturi, 0,
&id_, &msgData, (pjsua_call_id*)&call_id_);
}
else
{
status = pjsua_call_make_call(acct_id_, &desturi, 0,
&id_, NULL, (pjsua_call_id*)&call_id_);
}
if (status == PJ_SUCCESS)
{
destination_ = dest;
StartOutRinging();
}
return status;
}
/*
* Enable multipart in msg_data and add a dummy body into the
* multipart bodies.
*/
void add_multipart(pjsua_msg_data *msg_data)
{
static pjsip_multipart_part *alt_part;
if (!alt_part) {
pj_str_t type, subtype, content;
alt_part = pjsip_multipart_create_part(app_config.pool);
type = pj_str("text");
subtype = pj_str("plain");
content = pj_str("Sample text body of a multipart bodies");
alt_part->body = pjsip_msg_body_create(app_config.pool, &type,
&subtype, &content);
}
msg_data->multipart_ctype.type = pj_str("multipart");
msg_data->multipart_ctype.subtype = pj_str("mixed");
pj_list_push_back(&msg_data->multipart_parts, alt_part);
}
/*
* Add a part into multipart bodies.
*/
PJ_DEF(pj_status_t) pjsip_multipart_add_part( pj_pool_t *pool,
pjsip_msg_body *mp,
pjsip_multipart_part *part)
{
struct multipart_data *m_data;
/* All params must be specified */
PJ_ASSERT_RETURN(pool && mp && part, PJ_EINVAL);
/* mp must really point to an actual multipart msg body */
PJ_ASSERT_RETURN(mp->print_body==&multipart_print_body, PJ_EINVAL);
/* The multipart part must contain a valid message body */
PJ_ASSERT_RETURN(part->body && part->body->print_body, PJ_EINVAL);
m_data = (struct multipart_data*)mp->data;
pj_list_push_back(&m_data->part_head, part);
PJ_UNUSED_ARG(pool);
return PJ_SUCCESS;
}
pjmedia_event_unsubscribe(pjmedia_event_mgr *mgr,
pjmedia_event_cb *cb,
void *user_data,
void *epub)
{
esub *sub;
PJ_ASSERT_RETURN(cb, PJ_EINVAL);
if (!mgr) mgr = pjmedia_event_mgr_instance();
PJ_ASSERT_RETURN(mgr, PJ_EINVAL);
pj_mutex_lock(mgr->mutex);
sub = mgr->esub_list.next;
while (sub != &mgr->esub_list) {
esub *next = sub->next;
if (sub->cb == cb && (sub->user_data == user_data || !user_data) &&
(sub->epub == epub || !epub))
{
/* If the worker thread or pjmedia_event_publish() API is
* in the process of distributing events, make sure that
* its pointer to the next subscriber stays valid.
*/
if (mgr->th_next_sub == sub)
mgr->th_next_sub = sub->next;
if (mgr->pub_next_sub == sub)
mgr->pub_next_sub = sub->next;
pj_list_erase(sub);
pj_list_push_back(&mgr->free_esub_list, sub);
if (user_data && epub)
break;
}
sub = next;
}
pj_mutex_unlock(mgr->mutex);
return PJ_SUCCESS;
}
/*
* Let the Echo Canceller knows that a frame has been captured from
* the microphone.
*/
PJ_DEF(pj_status_t) pjmedia_echo_capture( pjmedia_echo_state *echo,
pj_int16_t *rec_frm,
unsigned options )
{
struct frame *oldest_frm;
pj_status_t status, rc;
/* If EC algo has capture handler, just pass the frame. */
if (echo->op->ec_capture) {
return (*echo->op->ec_capture)(echo->state, rec_frm, options);
}
if (!echo->lat_ready) {
/* Prefetching to fill in the desired latency */
PJ_LOG(5,(echo->obj_name, "Prefetching.."));
return PJ_SUCCESS;
}
/* Retrieve oldest frame from the latency buffer */
oldest_frm = echo->lat_buf.next;
pj_list_erase(oldest_frm);
/* Cancel echo using this reference frame */
status = pjmedia_echo_cancel(echo, rec_frm, oldest_frm->buf,
options, NULL);
/* Move one frame from delay buffer to the latency buffer. */
rc = pjmedia_delay_buf_get(echo->delay_buf, oldest_frm->buf);
if (rc != PJ_SUCCESS) {
/* Ooops.. no frame! */
PJ_LOG(5,(echo->obj_name,
"No frame from delay buffer. This will upset EC later"));
pjmedia_zero_samples(oldest_frm->buf, echo->samples_per_frame);
}
pj_list_push_back(&echo->lat_buf, oldest_frm);
return status;
}
/*
* Parse Min-SE header.
*/
static pjsip_hdr *parse_hdr_min_se(pjsip_parse_ctx *ctx)
{
pjsip_min_se_hdr *hdr = pjsip_min_se_hdr_create(ctx->pool);
const pjsip_parser_const_t *pc = pjsip_parser_const();
pj_str_t token;
pj_scan_get(ctx->scanner, &pc->pjsip_DIGIT_SPEC, &token);
hdr->min_se = pj_strtoul(&token);
while (*ctx->scanner->curptr == ';') {
pj_str_t pname, pvalue;
pjsip_param *param = PJ_POOL_ALLOC_T(ctx->pool, pjsip_param);
pj_scan_get_char(ctx->scanner);
pjsip_parse_param_imp(ctx->scanner, ctx->pool, &pname, &pvalue, 0);
param->name = pname;
param->value = pvalue;
pj_list_push_back(&hdr->other_param, param);
}
pjsip_parse_end_hdr_imp( ctx->scanner );
return (pjsip_hdr*)hdr;
}
/* Scan closing keys to be put to free list again */
static void scan_closing_keys(pj_ioqueue_t *ioqueue)
{
pj_time_val now;
pj_ioqueue_key_t *h;
pj_gettickcount(&now);
h = ioqueue->closing_list.next;
while (h != &ioqueue->closing_list) {
pj_ioqueue_key_t *next = h->next;
pj_assert(h->closing != 0);
if (PJ_TIME_VAL_GTE(now, h->free_time)) {
pj_list_erase(h);
// Don't set grp_lock to NULL otherwise the other thread
// will crash. Just leave it as dangling pointer, but this
// should be safe
//h->grp_lock = NULL;
pj_list_push_back(&ioqueue->free_list, h);
}
h = next;
}
}
/*
* Parse Subscription-State header.
*/
static pjsip_hdr* parse_hdr_sub_state( pjsip_parse_ctx *ctx )
{
pjsip_sub_state_hdr *hdr = pjsip_sub_state_hdr_create(ctx->pool);
const pj_str_t reason = { "reason", 6 },
expires = { "expires", 7 },
retry_after = { "retry-after", 11 };
const pjsip_parser_const_t *pc = pjsip_parser_const();
pj_scan_get(ctx->scanner, &pc->pjsip_TOKEN_SPEC, &hdr->sub_state);
while (*ctx->scanner->curptr == ';') {
pj_str_t pname, pvalue;
pj_scan_get_char(ctx->scanner);
pjsip_parse_param_imp(ctx->scanner, ctx->pool, &pname, &pvalue, 0);
if (pj_stricmp(&pname, &reason) == 0) {
hdr->reason_param = pvalue;
} else if (pj_stricmp(&pname, &expires) == 0) {
hdr->expires_param = pj_strtoul(&pvalue);
} else if (pj_stricmp(&pname, &retry_after) == 0) {
hdr->retry_after = pj_strtoul(&pvalue);
} else {
pjsip_param *param = PJ_POOL_ALLOC_T(ctx->pool, pjsip_param);
param->name = pname;
param->value = pvalue;
pj_list_push_back(&hdr->other_param, param);
}
}
pjsip_parse_end_hdr_imp( ctx->scanner );
return (pjsip_hdr*)hdr;
}
static pj_status_t set_contact( pjsip_regc *regc,
int contact_cnt,
const pj_str_t contact[] )
{
const pj_str_t CONTACT = { "Contact", 7 };
pjsip_contact_hdr *h;
int i;
/* Save existing contact list to removed_contact_hdr_list and
* clear contact_hdr_list.
*/
pj_list_merge_last(®c->removed_contact_hdr_list,
®c->contact_hdr_list);
/* Set the expiration of Contacts in to removed_contact_hdr_list
* zero.
*/
h = regc->removed_contact_hdr_list.next;
while (h != ®c->removed_contact_hdr_list) {
h->expires = 0;
h = h->next;
}
/* Process new contacts */
for (i=0; i<contact_cnt; ++i) {
pjsip_contact_hdr *hdr;
pj_str_t tmp;
pj_strdup_with_null(regc->pool, &tmp, &contact[i]);
hdr = (pjsip_contact_hdr*)
pjsip_parse_hdr(regc->pool, &CONTACT, tmp.ptr, tmp.slen, NULL);
if (hdr == NULL) {
PJ_LOG(4,(THIS_FILE, "Invalid Contact: \"%.*s\"",
(int)tmp.slen, tmp.ptr));
return PJSIP_EINVALIDURI;
}
/* Find the new contact in old contact list. If found, remove
* the old header from the old header list.
*/
h = regc->removed_contact_hdr_list.next;
while (h != ®c->removed_contact_hdr_list) {
int rc;
rc = pjsip_uri_cmp(PJSIP_URI_IN_CONTACT_HDR,
h->uri, hdr->uri);
if (rc == 0) {
/* Match */
pj_list_erase(h);
break;
}
h = h->next;
}
/* If add_xuid_param option is enabled and Contact URI is sip/sips,
* add xuid parameter to assist matching the Contact URI in the
* REGISTER response later.
*/
if (regc->add_xuid_param && (PJSIP_URI_SCHEME_IS_SIP(hdr->uri) ||
PJSIP_URI_SCHEME_IS_SIPS(hdr->uri)))
{
pjsip_param *xuid_param;
pjsip_sip_uri *sip_uri;
xuid_param = PJ_POOL_ZALLOC_T(regc->pool, pjsip_param);
xuid_param->name = XUID_PARAM_NAME;
pj_create_unique_string(regc->pool, &xuid_param->value);
sip_uri = (pjsip_sip_uri*) pjsip_uri_get_uri(hdr->uri);
pj_list_push_back(&sip_uri->other_param, xuid_param);
}
pj_list_push_back(®c->contact_hdr_list, hdr);
}
return PJ_SUCCESS;
}
/*
* This callback is called by transport manager to send SIP message
*/
static pj_status_t tcp_send_msg(pjsip_transport *transport,
pjsip_tx_data *tdata,
const pj_sockaddr_t *rem_addr,
int addr_len,
void *token,
pjsip_transport_callback callback)
{
struct tcp_transport *tcp = (struct tcp_transport*)transport;
pj_ssize_t size;
pj_bool_t delayed = PJ_FALSE;
pj_status_t status = PJ_SUCCESS;
/* Sanity check */
PJ_ASSERT_RETURN(transport && tdata, PJ_EINVAL);
/* Check that there's no pending operation associated with the tdata */
PJ_ASSERT_RETURN(tdata->op_key.tdata == NULL, PJSIP_EPENDINGTX);
/* Check the address is supported */
PJ_ASSERT_RETURN(rem_addr && (addr_len==sizeof(pj_sockaddr_in) ||
addr_len==sizeof(pj_sockaddr_in6)),
PJ_EINVAL);
/* Init op key. */
tdata->op_key.tdata = tdata;
tdata->op_key.token = token;
tdata->op_key.callback = callback;
/* If asynchronous connect() has not completed yet, just put the
* transmit data in the pending transmission list since we can not
* use the socket yet.
*/
if (tcp->has_pending_connect) {
/*
* Looks like connect() is still in progress. Check again (this time
* with holding the lock) to be sure.
*/
pj_lock_acquire(tcp->base.lock);
if (tcp->has_pending_connect) {
struct delayed_tdata *delayed_tdata;
/*
* connect() is still in progress. Put the transmit data to
* the delayed list.
* Starting from #1583 (https://trac.pjsip.org/repos/ticket/1583),
* we also add timeout value for the transmit data. When the
* connect() is completed, the timeout value will be checked to
* determine whether the transmit data needs to be sent.
*/
delayed_tdata = PJ_POOL_ZALLOC_T(tdata->pool,
struct delayed_tdata);
delayed_tdata->tdata_op_key = &tdata->op_key;
if (tdata->msg && tdata->msg->type == PJSIP_REQUEST_MSG) {
pj_gettickcount(&delayed_tdata->timeout);
delayed_tdata->timeout.msec += pjsip_cfg()->tsx.td;
pj_time_val_normalize(&delayed_tdata->timeout);
}
pj_list_push_back(&tcp->delayed_list, delayed_tdata);
status = PJ_EPENDING;
/* Prevent pj_ioqueue_send() to be called below */
delayed = PJ_TRUE;
}
pj_lock_release(tcp->base.lock);
}