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sip: Gather public IP from REGISTER response and use it in SDP

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Fixes #335
This commit is contained in:
Evangelos Ribeiro Tzaras 2021-09-24 09:33:38 +02:00
parent b8efaf1f66
commit 36880c3d34
3 changed files with 76 additions and 6 deletions
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76
plugins/sip/calls-sip-media-manager.c
View file

@ -39,22 +39,52 @@
* shall also manage the #CallsSipMediaPipeline objects that are in use.
*/
enum {
PROP_0,
PROP_SESSION_IP,
PROP_LAST_PROP
};
static GParamSpec *props[PROP_LAST_PROP];
typedef struct _CallsSipMediaManager
{
GObject parent;
char *session_ip;
GList *supported_codecs;
} CallsSipMediaManager;
G_DEFINE_TYPE (CallsSipMediaManager, calls_sip_media_manager, G_TYPE_OBJECT);
static void
calls_sip_media_manager_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
CallsSipMediaManager *self = CALLS_SIP_MEDIA_MANAGER (object);
switch (property_id) {
case PROP_SESSION_IP:
calls_sip_media_manager_set_session_ip (self, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
calls_sip_media_manager_finalize (GObject *object)
{
CallsSipMediaManager *self = CALLS_SIP_MEDIA_MANAGER (object);
gst_deinit ();
g_list_free (CALLS_SIP_MEDIA_MANAGER (object)->supported_codecs);
g_list_free (self->supported_codecs);
g_free (self->session_ip);
G_OBJECT_CLASS (calls_sip_media_manager_parent_class)->finalize (object);
}
@ -65,7 +95,17 @@ calls_sip_media_manager_class_init (CallsSipMediaManagerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = calls_sip_media_manager_set_property;
object_class->finalize = calls_sip_media_manager_finalize;
props[PROP_SESSION_IP] =
g_param_spec_string ("session-ip",
"Session IP",
"The public IP used as the session line in SDP",
NULL,
G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, PROP_LAST_PROP, props);
}
@ -145,11 +185,21 @@ calls_sip_media_manager_get_capabilities (CallsSipMediaManager *self,
g_string_append_printf (attribute_lines, "a=rtcp:%d\r\n", port + 1);
done:
return g_strdup_printf ("v=0\r\n"
"%s\r\n"
"%s\r\n",
media_line->str,
attribute_lines->str);
if (self->session_ip && *self->session_ip)
return g_strdup_printf ("v=0\r\n"
"s=%s\r\n"
"%s\r\n"
"%s\r\n",
self->session_ip,
media_line->str,
attribute_lines->str);
else
return g_strdup_printf ("v=0\r\n"
"%s\r\n"
"%s\r\n",
media_line->str,
attribute_lines->str);
}
@ -236,3 +286,17 @@ calls_sip_media_manager_get_codecs_from_sdp (CallsSipMediaManager *self,
return codecs;
}
void
calls_sip_media_manager_set_session_ip (CallsSipMediaManager *self,
const char *session_ip)
{
g_return_if_fail (CALLS_IS_SIP_MEDIA_MANAGER (self));
g_clear_pointer (&self->session_ip, g_free);
if (session_ip && *session_ip) {
g_debug ("Setting session IP to %s", session_ip);
self->session_ip = g_strdup (session_ip);
}
}

2
plugins/sip/calls-sip-media-manager.h
View file

@ -51,5 +51,7 @@ MediaCodecInfo* get_best_codec (Cal
GList * calls_sip_media_manager_codec_candidates (CallsSipMediaManager *self);
GList * calls_sip_media_manager_get_codecs_from_sdp (CallsSipMediaManager *self,
sdp_media_t *sdp_media);
void calls_sip_media_manager_set_session_ip (CallsSipMediaManager *self,
const char *session_ip);
G_END_DECLS

4
plugins/sip/calls-sip-origin.c
View file

@ -402,6 +402,10 @@ sip_r_register (int status,
g_debug ("REGISTER successful");
origin->state = CALLS_ACCOUNT_ONLINE;
nua_get_params (nua, TAG_ANY (), TAG_END());
if (sip->sip_contact && sip->sip_contact->m_url && sip->sip_contact->m_url->url_host) {
calls_sip_media_manager_set_session_ip (origin->media_manager,
sip->sip_contact->m_url->url_host);
}
} else if (status == 401 || status == 407) {
sip_authenticate (origin, nh, sip);