成员的完整列表，这些成员属于 aiot_tunnel_switch_recv_data_t,包括所有继承而来的类成员

close_reason	aiot_tunnel_switch_recv_data_t
created_time	aiot_tunnel_switch_recv_data_t
expired_time	aiot_tunnel_switch_recv_data_t
host	aiot_tunnel_switch_recv_data_t
operation	aiot_tunnel_switch_recv_data_t
path	aiot_tunnel_switch_recv_data_t
port	aiot_tunnel_switch_recv_data_t
token	aiot_tunnel_switch_recv_data_t
tunnel_id	aiot_tunnel_switch_recv_data_t