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"""
Test incoming call handling.
"""
import dbus
from sofiatest import exec_test
from servicetest import (
make_channel_proxy, wrap_channel,
EventPattern, call_async,
assertEquals, assertContains, assertLength,
)
import constants as cs
from voip_test import VoipTestContext
def test(q, bus, conn, sip_proxy, peer='foo@bar.com'):
conn.Connect()
q.expect('dbus-signal', signal='StatusChanged', args=[0, 1])
context = VoipTestContext(q, conn, bus, sip_proxy, 'sip:testacc@127.0.0.1', peer)
self_handle = conn.GetSelfHandle()
remote_handle = conn.RequestHandles(cs.HT_CONTACT, [context.peer])[0]
# Try making a call to ourself. StreamedMedia should refuse this because
# the API doesn't support it.
context.incoming_call_from_self()
q.expect('sip-response', code=501)
# Remote end calls us
context.incoming_call()
nc, e = q.expect_many(
EventPattern('dbus-signal', signal='NewChannels'),
EventPattern('dbus-signal', signal='NewSessionHandler'),
)[0:2]
path, props = nc.args[0][0]
ct = props[cs.CHANNEL_TYPE]
ht = props[cs.CHANNEL + '.TargetHandleType']
h = props[cs.CHANNEL + '.TargetHandle']
assert ct == cs.CHANNEL_TYPE_STREAMED_MEDIA, ct
assert ht == cs.HT_CONTACT, ht
assert h == remote_handle, h
media_chan = make_channel_proxy(conn, path, 'Channel.Interface.Group')
media_iface = make_channel_proxy(conn, path, 'Channel.Type.StreamedMedia')
# S-E was notified about new session handler, and calls Ready on it
assert e.args[1] == 'rtp'
session_handler = make_channel_proxy(conn, e.args[0], 'Media.SessionHandler')
session_handler.Ready()
nsh_event = q.expect('dbus-signal', signal='NewStreamHandler')
# S-E gets notified about a newly-created stream
stream_handler = make_channel_proxy(conn, nsh_event.args[0],
'Media.StreamHandler')
streams = media_iface.ListStreams()
assertLength(1, streams)
stream_id, stream_handle, stream_type, _, stream_direction, pending_flags =\
streams[0]
assertEquals(remote_handle, stream_handle)
assertEquals(cs.MEDIA_STREAM_TYPE_AUDIO, stream_type)
assertEquals(cs.MEDIA_STREAM_DIRECTION_RECEIVE, stream_direction)
assertEquals(cs.MEDIA_STREAM_PENDING_LOCAL_SEND, pending_flags)
# Exercise channel properties
channel_props = media_chan.GetAll(
cs.CHANNEL, dbus_interface=dbus.PROPERTIES_IFACE)
assertEquals(remote_handle, channel_props['TargetHandle'])
assertEquals(cs.HT_CONTACT, channel_props['TargetHandleType'])
assertEquals((cs.HT_CONTACT, remote_handle),
media_chan.GetHandle(dbus_interface=cs.CHANNEL))
assertEquals(context.peer_id, channel_props['TargetID'])
assertEquals(context.peer_id, channel_props['InitiatorID'])
assertEquals(remote_handle, channel_props['InitiatorHandle'])
assertEquals(False, channel_props['Requested'])
group_props = media_chan.GetAll(
cs.CHANNEL_IFACE_GROUP, dbus_interface=dbus.PROPERTIES_IFACE)
assert group_props['SelfHandle'] == self_handle, \
(group_props['SelfHandle'], self_handle)
flags = group_props['GroupFlags']
assert flags & cs.GF_PROPERTIES, flags
# Changing members in any way other than adding or removing yourself is
# meaningless for incoming calls, and the flags need not be sent to change
# your own membership.
assert not flags & cs.GF_CAN_ADD, flags
assert not flags & cs.GF_CAN_REMOVE, flags
assert not flags & cs.GF_CAN_RESCIND, flags
assert group_props['Members'] == [remote_handle], group_props['Members']
assert group_props['RemotePendingMembers'] == [], \
group_props['RemotePendingMembers']
# We're local pending because remote_handle invited us.
assert group_props['LocalPendingMembers'] == \
[(self_handle, remote_handle, cs.GC_REASON_INVITED, '')], \
unwrap(group_props['LocalPendingMembers'])
streams = media_chan.ListStreams(
dbus_interface=cs.CHANNEL_TYPE_STREAMED_MEDIA)
assert len(streams) == 1, streams
assert len(streams[0]) == 6, streams[0]
# streams[0][0] is the stream identifier, which in principle we can't
# make any assertion about (although in practice it's probably 1)
assert streams[0][1] == remote_handle, (streams[0], remote_handle)
assert streams[0][2] == cs.MEDIA_STREAM_TYPE_AUDIO, streams[0]
# We haven't connected yet
assert streams[0][3] == cs.MEDIA_STREAM_STATE_DISCONNECTED, streams[0]
# In Gabble, incoming streams start off with remote send enabled, and
# local send requested
assert streams[0][4] == cs.MEDIA_STREAM_DIRECTION_RECEIVE, streams[0]
assert streams[0][5] == cs.MEDIA_STREAM_PENDING_LOCAL_SEND, streams[0]
# Connectivity checks happen before we have accepted the call
stream_handler.NewNativeCandidate("fake", context.get_remote_transports_dbus())
stream_handler.NativeCandidatesPrepared()
stream_handler.Ready(context.get_audio_codecs_dbus())
stream_handler.StreamState(cs.MEDIA_STREAM_STATE_CONNECTED)
stream_handler.SupportedCodecs(context.get_audio_codecs_dbus())
# At last, accept the call
media_chan.AddMembers([self_handle], 'accepted')
# Call is accepted, we become a member, and the stream that was pending
# local send is now sending.
memb, acc, _, _, _ = q.expect_many(
EventPattern('dbus-signal', signal='MembersChanged',
args=[u'', [self_handle], [], [], [], self_handle,
cs.GC_REASON_NONE]),
EventPattern('sip-response', call_id=context.call_id, code=200),
EventPattern('dbus-signal', signal='SetStreamSending', args=[True]),
EventPattern('dbus-signal', signal='SetStreamPlaying', args=[True]),
EventPattern('dbus-signal', signal='StreamDirectionChanged',
args=[stream_id, cs.MEDIA_STREAM_DIRECTION_BIDIRECTIONAL, 0]),
)
context.check_call_sdp(acc.sip_message.body)
context.ack(acc.sip_message)
# we are now both in members
members = media_chan.GetMembers()
assert set(members) == set([self_handle, remote_handle]), members
# Connected! Blah, blah, ...
# 'Nuff said
bye_msg = context.terminate()
q.expect_many(EventPattern('dbus-signal', signal='Closed', path=path),
EventPattern('sip-response', cseq=bye_msg.headers['cseq'][0]))
if __name__ == '__main__':
exec_test(test)
exec_test(lambda q, bus, conn, stream:
test(q, bus, conn, stream, 'foo@sip.bar.com'))
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