QUIC_CHANNEL_STATE_ACTIVE
case QUIC_CHANNEL_STATE_ACTIVE:
ch_record_state_transition(ch, QUIC_CHANNEL_STATE_ACTIVE);
case QUIC_CHANNEL_STATE_ACTIVE:
ch_record_state_transition(ch, QUIC_CHANNEL_STATE_ACTIVE);
return ch != NULL && ch->state == QUIC_CHANNEL_STATE_ACTIVE;