/*Lookup a connection. If it doesn't exist, add a new connection and return it.*/
int get_host(u_char *src_id, u_char* dest_id, int id_len, int src_port, int dest_port,
/*Lookup a connection. If it doesn't exist, add a new connection and return it.*/
int get_host(u_char *src_id, u_char* dest_id, int id_len, int src_port, int dest_port,