kbe/calls
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sip: Add media manager and sipify origin

Browse Source 
* pipeline: we should bind the used socket of our udpsink to the socket udpsrc
This commit is contained in:
Evangelos Ribeiro Tzaras
2021-02-17 23:48:33 +01:00
parent 2dfa42d48d
commit 967f30d688
13 changed files with 1669 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

596
plugins/sip/calls-sip-origin.c
View File

@@ -28,10 +28,16 @@
#include "calls-origin.h"
#include "calls-sip-call.h"
#include "calls-sip-util.h"
#include "calls-sip-enums.h"
#include "calls-sip-media-manager.h"
#include <glib/gi18n.h>
#include <glib-object.h>
#include <sofia-sip/nua.h>
#include <sofia-sip/su_tag.h>
#include <sofia-sip/su_tag_io.h>
#include <sofia-sip/sip_util.h>
#include <sofia-sip/sdp.h>
struct _CallsSipOrigin
@@ -55,14 +61,18 @@ struct _CallsSipOrigin
SipAccountState state;
CallsSipMediaManager *media_manager;
/* Account information */
gchar *user;
gchar *password;
gchar *host;
gchar *transport_protocol;
const gchar *protocol_prefix;
gint port;
gchar *protocol;
GList *calls;
GHashTable *call_handles;
};
static void calls_sip_origin_message_source_interface_init (CallsOriginInterface *iface);
@@ -84,35 +94,479 @@ enum {
PROP_ACC_PROTOCOL,
PROP_ACC_DIRECT,
PROP_SIP_CONTEXT,
PROP_ACC_STATE,
PROP_CALLS,
PROP_LAST_PROP,
};
static GParamSpec *props[PROP_LAST_PROP];
static gboolean
init_sip_account (CallsSipOrigin *self)
static void
sip_authenticate (CallsSipOrigin *origin,
nua_handle_t *nh,
sip_t const *sip)
{
const gchar *scheme = NULL;
const gchar *realm = NULL;
g_autofree gchar *auth = NULL;
sip_www_authenticate_t *www_auth = sip->sip_www_authenticate;
sip_proxy_authenticate_t *proxy_auth = sip->sip_proxy_authenticate;
if (www_auth) {
scheme = www_auth->au_scheme;
realm = msg_params_find (www_auth->au_params, "realm=");
}
else if (proxy_auth) {
scheme = proxy_auth->au_scheme;
realm = msg_params_find (proxy_auth->au_params, "realm=");
}
g_debug ("need to authenticate to realm %s", realm);
auth = g_strdup_printf ("%s:%s:%s:%s",
scheme, realm, origin->user, origin->password);
nua_authenticate (nh, NUTAG_AUTH (auth));
}
static void
sip_r_invite (int status,
char const *phrase,
nua_t *nua,
CallsSipOrigin *origin,
nua_handle_t *nh,
CallsSipHandles *op,
sip_t const *sip,
tagi_t tags[])
{
g_debug ("response to outgoing INVITE: %03d %s", status, phrase);
/* TODO call states (see i_state) */
if (status == 401) {
sip_authenticate (origin, nh, sip);
}
else if (status == 403) {
g_warning ("wrong credentials?");
}
else if (status == 407) {
sip_authenticate (origin, nh, sip);
}
else if (status == 904) {
g_warning ("unmatched challenge");
}
else if (status == 180) {
}
else if (status == 100) {
}
else if (status == 200) {
}
}
static void
sip_r_register (int status,
char const *phrase,
nua_t *nua,
CallsSipOrigin *origin,
nua_handle_t *nh,
CallsSipHandles *op,
sip_t const *sip,
tagi_t tags[])
{
g_debug ("response to REGISTER: %03d %s", status, phrase);
if (status == 200) {
g_debug ("REGISTER successful");
origin->state = SIP_ACCOUNT_ONLINE;
}
else if (status == 401) {
sip_authenticate (origin, nh, sip);
origin->state = SIP_ACCOUNT_AUTHENTICATING;
}
else if (status == 403) {
g_warning ("wrong credentials?");
origin->state = SIP_ACCOUNT_ERROR_RETRY;
}
else if (status == 904) {
g_warning ("unmatched challenge");
origin->state = SIP_ACCOUNT_ERROR_RETRY;
}
g_object_notify_by_pspec (G_OBJECT (origin), props[PROP_ACC_STATE]);
}
static void
sip_i_state (int status,
char const *phrase,
nua_t *nua,
CallsSipOrigin *origin,
nua_handle_t *nh,
CallsSipHandles *op,
sip_t const *sip,
tagi_t tags[])
{
const sdp_session_t *r_sdp = NULL;
gint call_state = nua_callstate_init;
CallsCallState state;
CallsSipCall *call;
g_return_if_fail (CALLS_IS_SIP_ORIGIN (origin));
call = g_hash_table_lookup (origin->call_handles, nh);
g_return_if_fail (call != NULL);
g_debug ("The call state has changed: %03d %s", status, phrase);
tl_gets (tags,
SOATAG_REMOTE_SDP_REF (r_sdp),
NUTAG_CALLSTATE_REF (call_state),
TAG_END ());
/* XXX making some assumptions about the received SDP message here...
* namely: that there is only the session wide connection c= line
* and no individual connections per media stream.
* also: rtcp port = rtp port + 1
*/
if (r_sdp) {
calls_sip_call_setup_remote_media (call,
r_sdp->sdp_connection->c_address,
r_sdp->sdp_media->m_port,
r_sdp->sdp_media->m_port + 1);
}
/* TODO use CallCallStates with g_object_set (notify!) */
switch (call_state) {
case nua_callstate_init:
return;
case nua_callstate_calling:
state = CALLS_CALL_STATE_DIALING;
break;
case nua_callstate_received:
state = CALLS_CALL_STATE_INCOMING;
break;
case nua_callstate_ready:
g_debug ("Call ready. Activating media pipeline");
calls_sip_call_activate_media (call, TRUE);
state = CALLS_CALL_STATE_ACTIVE;
break;
case nua_callstate_terminated:
g_debug ("Call terminated. Deactivating media pipeline");
calls_sip_call_activate_media (call, FALSE);
state = CALLS_CALL_STATE_DISCONNECTED;
break;
case nua_callstate_authenticating:
g_warning ("TODO Move authentication (INVITE) here");
return;
default:
return;
}
g_object_set (call, "state", state, NULL);
}
static void
sip_callback (nua_event_t event,
int status,
char const *phrase,
nua_t *nua,
nua_magic_t *magic,
nua_handle_t *nh,
nua_hmagic_t *hmagic,
sip_t const *sip,
tagi_t tags[])
{
CallsSipOrigin *origin = CALLS_SIP_ORIGIN (magic);
/* op currently unused */
CallsSipHandles *op = hmagic;
switch (event) {
case nua_i_invite:
/* This needs to be handled by CallsSipCall */
//g_debug ("incoming call INVITE: %03d %s", status, phrase);
//origin->oper->incoming_call_handle = nh;
///* We can only handle a single call */
//if (origin->call_state != SIP_CALL_READY) {
// const char * from = NULL;
// tl_gets (tags, SIPTAG_FROM_STR_REF (from), TAG_END ());
// g_debug ("Rejecting call from %s", from);
// nua_respond (nh, 486, NULL, TAG_END ());
//}
break;
case nua_r_invite:
sip_r_invite (status,
phrase,
nua,
origin,
nh,
op,
sip,
tags);
break;
case nua_i_ack:
g_debug ("incoming ACK: %03d %s", status, phrase);
break;
case nua_i_bye:
g_debug ("incoming BYE: %03d %s", status, phrase);
break;
case nua_r_bye:
g_debug ("response to BYE: %03d %s", status, phrase);
break;
case nua_r_register:
sip_r_register (status,
phrase,
nua,
origin,
nh,
op,
sip,
tags);
break;
case nua_r_set_params:
g_debug ("response to set_params: %03d %s", status, phrase);
break;
case nua_i_outbound:
g_debug ("status of outbound engine has changed: %03d %s", status, phrase);
break;
case nua_i_state:
sip_i_state (status,
phrase,
nua,
origin,
nh,
op,
sip,
tags);
break;
case nua_r_cancel:
g_debug ("response to CANCEL: %03d %s", status, phrase);
break;
case nua_r_terminate:
break;
case nua_r_shutdown:
/* see also deinit_sip () */
g_debug ("response to nua_shutdown: %03d %s", status, phrase);
if (status == 200)
origin->is_nua_shutdown = TRUE;
break;
/* Deprecated events */
case nua_i_active:
break;
case nua_i_terminated:
break;
default:
/* unknown event -> print out error message */
g_warning ("unknown event %d: %03d %s",
event,
status,
phrase);
g_warning ("printing tags");
tl_print(stdout, "", tags);
break;
}
}
static nua_t *
setup_nua (CallsSipOrigin *self)
{
g_autofree gchar *address = NULL;
nua_t *nua;
gboolean use_sips;
g_return_val_if_fail (CALLS_IS_SIP_ORIGIN (self), NULL);
address = g_strconcat (self->protocol_prefix, ":", self->user, "@", self->host, NULL);
use_sips = check_sips (address);
// TODO URLs must be changed to accomodate IPv6 use case (later, not important right now)
// Note: This is why using hostname does not work! (do we need two nua contexts for ipv4 and ipv6?)
nua = nua_create (self->ctx->root,
sip_callback,
self,
NUTAG_USER_AGENT ("sofia-test/0.0.1"),
NUTAG_URL ("sip:0.0.0.0:5060"),
TAG_IF (use_sips, NUTAG_SIPS_URL ("sips:0.0.0.0:5060")),
NUTAG_M_USERNAME (self->user),
SIPTAG_FROM_STR (address),
NUTAG_ENABLEINVITE (1),
NUTAG_AUTOANSWER (0),
NUTAG_AUTOACK (1),
NUTAG_MEDIA_ENABLE (1),
TAG_NULL ());
return nua;
}
static CallsSipHandles *
setup_sip_handles (CallsSipOrigin *self)
{
CallsSipHandles *oper;
g_return_val_if_fail (CALLS_IS_SIP_ORIGIN (self), NULL);
if (!(oper = su_zalloc (self->ctx->home, sizeof(CallsSipHandles)))) {
g_warning ("cannot create handle");
return NULL;
}
oper->context = self->ctx;
oper->register_handle = nua_handle (self->nua, self->oper,
NUTAG_REGISTRAR (self->host),
TAG_END ());
oper->call_handle = NULL;
oper->incoming_call_handle = NULL;
return oper;
}
static void
setup_account_for_direct_connection (CallsSipOrigin *self)
{
g_return_if_fail (CALLS_IS_SIP_ORIGIN (self));
/* honour username, if previously set */
if (self->user == NULL)
self->user = g_strdup (g_get_user_name ());
g_free (self->host);
self->host = g_strdup (g_get_host_name ());
g_free (self->password);
self->password = NULL;
g_free (self->transport_protocol);
self->transport_protocol = g_strdup ("UDP");
self->protocol_prefix = get_protocol_prefix (self->transport_protocol);
g_debug ("Notifying account changed:\n"
"user: %s\nhost URL: %s", self->user, self->host);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACC_USER]);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACC_HOST]);
}
static gboolean
is_account_complete (CallsSipOrigin *self)
{
g_return_val_if_fail (CALLS_IS_SIP_ORIGIN (self), FALSE);
/* we need only need to check for password if needing to authenticate over a proxy/UAS */
if (self->user == NULL ||
(!self->use_direct_connection && self->password == NULL) ||
self->host == NULL ||
self->transport_protocol == NULL ||
self->protocol_prefix == NULL)
return FALSE;
return TRUE;
}
static gboolean
init_sip_account (CallsSipOrigin *self,
GError **error)
{
gboolean recoverable = FALSE;
g_return_val_if_fail (CALLS_IS_SIP_ORIGIN (self), FALSE);
if (self->use_direct_connection && !is_account_complete (self)) {
g_debug ("Account not set yet. Using user and hostname");
setup_account_for_direct_connection (self);
}
if (!is_account_complete (self)) {
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Must have completed account setup before calling"
"init_sip_account ()"
"Try again when account is setup");
recoverable = TRUE;
goto err;
}
// setup_nua and setup_oper only after account data has been set
self->nua = setup_nua (self);
if (self->nua == NULL) {
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed setting up nua context");
goto err;
}
self->oper = setup_sip_handles (self);
if (self->oper == NULL) {
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed setting operation handles");
goto err;
}
/* In the case of a direct connection we're immediately good to go */
if (self->use_direct_connection)
self->state = SIP_ACCOUNT_ONLINE;
else
self->state = SIP_ACCOUNT_OFFLINE;
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACC_STATE]);
return TRUE;
err:
self->state = recoverable ? SIP_ACCOUNT_ERROR_RETRY : SIP_ACCOUNT_ERROR;
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACC_STATE]);
return FALSE;
}
static gboolean
protocol_is_valid (const gchar *protocol)
{
return g_strcmp0 (protocol, "UDP") == 0 ||
g_strcmp0 (protocol, "TLS") == 0;
}
static void
remove_call (CallsSipOrigin *self,
CallsCall *call,
const gchar *reason)
CallsCall *call,
const gchar *reason)
{
CallsOrigin *origin;
CallsSipCall *sip_call;
gboolean inbound;
nua_handle_t *nh;
origin = CALLS_ORIGIN (self);
sip_call = CALLS_SIP_CALL (call);
self->calls = g_list_remove (self->calls, call);
g_object_get (sip_call,
"inbound", &inbound,
"nua-handle", &nh,
NULL);
g_hash_table_remove (self->call_handles, nh);
nua_handle_unref (nh);
g_signal_emit_by_name (origin, "call-removed", call, reason);
g_object_unref (G_OBJECT (call));
@@ -120,7 +574,8 @@ remove_call (CallsSipOrigin *self,
static void
remove_calls (CallsSipOrigin *self, const gchar *reason)
remove_calls (CallsSipOrigin *self,
const gchar *reason)
{
CallsCall *call;
GList *next;
@@ -137,16 +592,14 @@ remove_calls (CallsSipOrigin *self, const gchar *reason)
g_signal_emit_by_name (self, "call-removed", call, reason);
g_object_unref (call);
}
g_hash_table_remove_all (self->call_handles);
g_clear_pointer (&self->oper->call_handle, nua_handle_unref);
g_clear_pointer (&self->oper->incoming_call_handle, nua_handle_unref);
}
struct DisconnectedData
{
CallsSipOrigin *self;
CallsCall *call;
};
static void
on_call_state_changed_cb (CallsSipOrigin *self,
CallsCallState new_state,
@@ -167,21 +620,41 @@ on_call_state_changed_cb (CallsSipOrigin *self,
static void
add_call (CallsSipOrigin *self,
const gchar *address,
gboolean inbound)
const gchar *address,
gboolean inbound,
nua_handle_t *handle)
{
CallsSipCall *sip_call;
CallsCall *call;
g_autofree gchar *local_sdp = NULL;
sip_call = calls_sip_call_new (address, inbound);
sip_call = calls_sip_call_new (address, inbound, handle);
g_assert (sip_call != NULL);
/* XXX dynamically get/probe free ports */
calls_sip_call_setup_local_media (sip_call, 19042, 19043);
local_sdp = calls_sip_media_manager_static_capabilities (self->media_manager,
19042,
check_sips (address));
g_assert (local_sdp);
g_debug ("Setting local SDP to string:\n%s", local_sdp);
nua_set_params (self->nua,
SOATAG_USER_SDP_STR (local_sdp),
SOATAG_AF (SOA_AF_IP4_IP6),
TAG_END ());
self->oper->call_handle = handle;
call = CALLS_CALL (sip_call);
g_signal_connect_swapped (call, "state-changed",
G_CALLBACK (on_call_state_changed_cb),
self);
self->calls = g_list_append (self->calls, sip_call);
g_hash_table_insert (self->call_handles, handle, sip_call);
g_signal_emit_by_name (CALLS_ORIGIN (self), "call-added", call);
}
@@ -191,6 +664,7 @@ static void
dial (CallsOrigin *origin,
const gchar *address)
{
CallsSipOrigin *self;
g_assert (CALLS_ORIGIN (origin));
g_assert (CALLS_IS_SIP_ORIGIN (origin));
@@ -200,7 +674,17 @@ dial (CallsOrigin *origin,
return;
}
add_call (CALLS_SIP_ORIGIN (origin), address, FALSE);
self = CALLS_SIP_ORIGIN (origin);
if (self->oper->call_handle)
nua_handle_unref (self->oper->call_handle);
self->oper->call_handle = nua_handle (self->nua, self->oper,
NUTAG_MEDIA_ENABLE (1),
SOATAG_ACTIVE_AUDIO (SOA_ACTIVE_SENDRECV),
TAG_END ());
add_call (CALLS_SIP_ORIGIN (origin), address, FALSE, self->oper->call_handle);
}
@@ -237,12 +721,13 @@ calls_sip_origin_set_property (GObject *object,
if (!protocol_is_valid (g_value_get_string (value))) {
g_warning ("Tried setting invalid protocol: '%s'\n"
"Continue using old protocol: '%s'",
g_value_get_string (value), self->protocol);
g_value_get_string (value), self->transport_protocol);
return;
}
g_free (self->protocol);
self->protocol = g_value_dup_string (value);
g_free (self->transport_protocol);
self->transport_protocol = g_value_dup_string (value);
self->protocol_prefix = get_protocol_prefix (self->transport_protocol);
break;
case PROP_ACC_DIRECT:
@@ -253,6 +738,10 @@ calls_sip_origin_set_property (GObject *object,
self->ctx = g_value_get_pointer (value);
break;
case PROP_ACC_STATE:
g_warning ("Setting the account state does not yet have any effect");
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -290,7 +779,11 @@ calls_sip_origin_get_property (GObject *object,
break;
case PROP_ACC_PROTOCOL:
g_value_set_string (value, self->protocol);
g_value_set_string (value, self->transport_protocol);
break;
case PROP_ACC_STATE:
g_value_set_enum (value, self->state);
break;
default:
@@ -304,8 +797,13 @@ static void
calls_sip_origin_constructed (GObject *object)
{
CallsSipOrigin *self = CALLS_SIP_ORIGIN (object);
g_autoptr (GError) error = NULL;
init_sip_account (self);
if (!init_sip_account (self, &error)) {
g_warning ("Error initializing the SIP account: %s", error->message);
}
self->media_manager = calls_sip_media_manager_default ();
G_OBJECT_CLASS (calls_sip_origin_parent_class)->constructed (object);
}
@@ -354,7 +852,8 @@ calls_sip_origin_finalize (GObject *object)
g_free (self->user);
g_free (self->password);
g_free (self->host);
g_free (self->protocol);
g_free (self->transport_protocol);
g_hash_table_destroy (self->call_handles);
G_OBJECT_CLASS (calls_sip_origin_parent_class)->finalize (object);
}
@@ -425,6 +924,15 @@ calls_sip_origin_class_init (CallsSipOriginClass *klass)
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_property (object_class, PROP_SIP_CONTEXT, props[PROP_SIP_CONTEXT]);
props[PROP_ACC_STATE] =
g_param_spec_enum ("account-state",
"Account state",
"The state of the SIP account",
SIP_TYPE_ACCOUNT_STATE,
SIP_ACCOUNT_NULL,
G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_ACC_STATE, props[PROP_ACC_STATE]);
#define IMPLEMENTS(ID, NAME) \
g_object_class_override_property (object_class, ID, NAME); \
props[ID] = g_object_class_find_property(object_class, NAME);
@@ -454,6 +962,8 @@ calls_sip_origin_init (CallsSipOrigin *self)
{
self->name = g_string_new (NULL);
self->call_handles = g_hash_table_new (NULL, NULL);
/* Direct connection mode is useful for debugging purposes */
self->use_direct_connection = TRUE;
@@ -462,12 +972,13 @@ calls_sip_origin_init (CallsSipOrigin *self)
void
calls_sip_origin_create_inbound (CallsSipOrigin *self,
const gchar *address)
const gchar *address,
nua_handle_t *handle)
{
g_return_if_fail (address != NULL);
g_return_if_fail (CALLS_IS_SIP_ORIGIN (self));
add_call (self, address, TRUE);
add_call (self, address, TRUE, handle);
}
@@ -481,16 +992,19 @@ calls_sip_origin_new (const gchar *name,
const gchar *protocol,
gboolean direct_connection)
{
CallsSipOrigin *origin =
g_object_new (CALLS_TYPE_SIP_ORIGIN,
"sip-context", sip_context,
"user", user,
"password", password,
"host", host,
"port", port,
"protocol", protocol,
"direct-connection", direct_connection,
NULL);
CallsSipOrigin *origin;
g_return_val_if_fail (sip_context != NULL, NULL);
origin = g_object_new (CALLS_TYPE_SIP_ORIGIN,
"sip-context", sip_context,
"user", user,
"password", password,
"host", host,
"port", port,
"protocol", protocol,
"direct-connection", direct_connection,
NULL);
g_string_assign (origin->name, name);