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#ifndef _POLICY_H
#define _POLICY_H
#ifdef __cplusplus
extern "C"
{
#endif
#include "utils.h"
#include "packet.h"
#include "global_metrics.h"
#include <linux/if_ether.h>
enum traffic_type
{
TRAFFIC_TYPE_NONE = 0,
TRAFFIC_TYPE_RAW = 1,
TRAFFIC_TYPE_DECRYPTED = 2,
};
enum forward_type
{
FORWARD_TYPE_NONE = 0,
FORWARD_TYPE_STEERING = 1,
FORWARD_TYPE_MIRRORING = 2,
};
enum session_action
{
SESSION_ACTION_BYPASS = 0,
SESSION_ACTION_FORWARD = 1,
SESSION_ACTION_BLOCK = 2,
};
enum action_desc
{
ACTION_BYPASS_DUE_DEFAULT = 0x00,
ACTION_BYPASS_DUE_INVALID_POLICY = 0x01,
ACTION_BYPASS_DUE_FAILURE_ACTION = 0x02,
ACTION_BYPASS_DUE_UNAVAILABLE_ACTION = 0x03,
ACTION_BYPASS_DUE_HEALTH_SF_LIMIT = 0x04,
ACTION_BLOCK_DUE_FAILURE_ACTION = 0x10,
ACTION_BLOCK_DUE_UNAVAILABLE_ACTION = 0x11,
ACTION_FORWAED_DUE_SELECTED_SF = 0x20,
};
enum encapsulate_method
{
ENCAPSULATE_METHOD_NONE = 0,
ENCAPSULATE_METHOD_LAYER2_SWITCH = 1,
ENCAPSULATE_METHOD_LAYER3_SWITCH = 2,
ENCAPSULATE_METHOD_VXLAN_G = 3,
};
enum health_check_method
{
HEALTH_CHECK_METHOD_NONE = 0,
HEALTH_CHECK_METHOD_IN_BAND_BFD = 1,
HEALTH_CHECK_METHOD_BFD = 2,
HEALTH_CHECK_METHOD_HTTP = 3,
};
struct health_check
{
enum health_check_method method;
char url[128];
char address[64];
int retires;
int interval_ms;
};
struct connectivity
{
enum encapsulate_method method;
int int_vlan_tag;
int ext_vlan_tag;
char dest_ip[64];
};
struct selected_sf
{
uuid_t rule_uuid;
int rule_vsys_id;
enum traffic_type traffic_type;
uuid_t sff_uuid;
enum forward_type sff_forward_type;
int sf_vsys_id;
uuid_t sf_uuid;
enum session_action sf_action;
enum action_desc sf_action_desc;
struct connectivity sf_connectivity;
struct throughput_metrics rx;
struct throughput_metrics tx;
in_addr_t sf_dst_ip;
u_char sf_dst_mac[ETH_ALEN];
int sf_index;
};
struct selected_chaining
{
struct selected_sf *chaining;
int chaining_size;
int chaining_used;
uint64_t session_id;
char *session_addr;
};
const char *traffic_type_tostring(enum traffic_type traffic_type);
const char *forward_type_tostring(enum forward_type forward_type);
const char *action_desc_tostring(enum action_desc action_desc);
const char *encapsulate_method_tostring(enum encapsulate_method encap_method);
struct selected_chaining *selected_chaining_create(int chaining_size, uint64_t session_id, char *session_addr);
void selected_chaining_destory(struct selected_chaining *chaining);
void selected_chaining_dump(struct selected_chaining *chaining);
void selected_chaining_bref(struct selected_chaining *chaining);
void selected_chaining_uniq(struct selected_chaining *chaining);
// return NULL : error
// return !NULL : success
struct policy_enforcer *policy_enforcer_create(const char *instance, const char *profile, int thread_num);
void policy_enforcer_destory(struct policy_enforcer *enforcer);
// return 0 : success
// return -1 : error
int policy_enforcer_register(struct policy_enforcer *enforcer);
int policy_enforce_chaining_size(struct policy_enforcer *enforcer);
// direction 1: E2I
// direction 0: I2E
void policy_enforce_select_chainings(struct policy_enforcer *enforcer, struct session_ctx *s_ctx, struct packet *data_pkt, uuid_t *rule_uuid, int direction);
#ifdef __cplusplus
}
#endif
#endif
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