/*
  * $Id$
  *
  */
 
 #ifndef route_struct_h
 #define route_struct_h
 
 enum { EXP_T=1, ELEM_T };
 enum { AND_OP=1, OR_OP, NOT_OP };
 enum { EQUAL_OP=10, MATCH_OP };

 enum { METHOD_O=1, URI_O, SRCIP_O, DSTIP_O, DEFAULT_O };

 enum { FORWARD_T=1, SEND_T, DROP_T, LOG_T, ERROR_T, ROUTE_T, EXEC_T};

 enum { NOSUBTYPE=0, STRING_ST, NET_ST, NUMBER_ST, IP_ST, RE_ST, PROXY_ST };

 
 	
 struct expr{
 	int type; /* exp, exp_elem */
 	int op; /* and, or, not | ==,  ~= */
 	int  subtype;
 	union {
 		struct expr* expr;
 		int operand;
 	}l;
 	union {
 		struct expr* expr;
 		void* param;

 		int   intval;

 	}r;
 };
 
 
 struct action{
 	int type;  /* forward, drop, log, send ...*/
 	int p1_type;
 	int p2_type;
 	union {
 		int number;
 		char* string;
 		void* data;
 	}p1, p2;
 	struct action* next;
 };
 

 
 struct net{
 	unsigned long ip;
 	unsigned long mask;
 };
 

 struct expr* mk_exp(int op, struct expr* left, struct expr* right);
 struct expr* mk_elem(int op, int subtype, int operand, void* param);
 struct action* mk_action(int type, int p1_type, int p2_type, void* p1, void* p2);

 struct action* append_action(struct action* a, struct action* b);
 
 
 struct net* mk_net(unsigned long ip, unsigned long mask);

 
 void print_action(struct action* a);
 void print_expr(struct expr* exp);
 
 
 
 
 
 #endif