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tango-tsg-service-chaining-…/platform/include/packet_trace.h
2024-09-27 19:11:47 +08:00

193 lines
13 KiB
C

#ifndef _PACKET_TRACE_H
#define _PACKET_TRACE_H
#ifdef __cplusplus
extern "C"
{
#endif
#include "utils.h"
#include "policy.h"
#include <marsio.h>
/*
* SCE packet trace info format
*
* PACKET_TRACE_ON_NEW : "Packet I/O new packet"
* PACKET_TRACE_ON_FREE : "Packet I/O free packet"
* PACKET_TRACE_ON_CTRL : "Session Synchronization ${MSG}"
*
* Service Function Path (SFP) https://datatracker.ietf.org/doc/html/rfc7665
*
* PACKET_TRACE_ON_POLICY : "Policy rule list=[${Rule_ID1}, ${Rule_ID2}, ...], SFP list=[${SF_ID1}, ${SF_ID2}, ...]"
* PACKET_TRACE_ON_CHAIN : "Forwarder sc rule id=${Rule_ID}, sf id=${SF_ID}, fwd type=${FWD_TYPE}, pkt dir=${PKT_DIR}, pkt type=${PKT_TYPE}, state=${STATE} ${ACTION}"
* Forwarder sc rule id=${Rule_ID}, sf id=${SF_ID}, type=${FWD_TYPE}, action=${ACTION}
*
* ${FWD_TYPE}
* steering
* mirroring
*
* ${PKT_DIR}
* I2E
* E2I
*
* ${PKT_TYPE}
* raw
* decrypted
*
* ${STATE}
* success
* failure
*
* ${ACTION}
* bypass
* block
* re-dispatch block
* re-dispatch bypass
* re-dispatch bypass(health SF limit)
*
* bypass(default)
* bypass(invalid policy)
*/
static inline int rule_id_tostring(struct uuid_array *array, char *buffer, int size)
{
char uuid_str[UUID_STRING_SIZE] = {0};
int used = 0;
int num = uuid_array_get_count(array);
used += snprintf(buffer + used, size - used, "[");
for (int i = 0; i < num; i++)
{
uuid_unparse(*uuid_array_get_at(array, i), uuid_str);
used += snprintf(buffer + used, size - used, "%s", uuid_str);
if (i < num - 1)
{
used += snprintf(buffer + used, size - used, ", ");
}
}
used += snprintf(buffer + used, size - used, "]");
return used;
}
static inline int sf_id_tostring(struct selected_chaining *chain, char *buffer, int size)
{
char uuid_str[UUID_STRING_SIZE] = {0};
int used = 0;
used += snprintf(buffer + used, size - used, "[");
for (int i = 0; i < chain->chaining_used; i++)
{
uuid_unparse(chain->chaining[i].sf_uuid, uuid_str);
used += snprintf(buffer + used, size - used, "%s", uuid_str);
if (i < chain->chaining_used - 1)
{
used += snprintf(buffer + used, size - used, ", ");
}
}
used += snprintf(buffer + used, size - used, "]");
return used;
}
#define PACKET_TRACE_ON_NEW(mr_ins, mr_buff) \
do \
{ \
if (marsio_dp_trace_measurements_can_emit(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE)) \
{ \
marsio_dp_trace_measurement_emit_str(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE, "Packet I/O", "new packet"); \
} \
} while (0)
#define PACKET_TRACE_ON_FREE(mr_ins, mr_buff) \
do \
{ \
if (marsio_dp_trace_measurements_can_emit(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE)) \
{ \
marsio_dp_trace_measurement_emit_str(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE, "Packet I/O", "free packet"); \
} \
} while (0)
#define PACKET_TRACE_ON_CTRL(mr_ins, mr_buff, state) \
do \
{ \
if (marsio_dp_trace_measurements_can_emit(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE)) \
{ \
marsio_dp_trace_measurement_emit_str(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE, "Session Synchronization", \
control_packte_state_to_string(state)); \
} \
} while (0)
#define PACKET_TRACE_ON_POLICY(mr_ins, mr_buff, rule_uuid_array, chain) \
do \
{ \
if (marsio_dp_trace_measurements_can_emit(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE)) \
{ \
char rule_ids_str[1024] = {0}; \
char sf_ids_str[1024] = {0}; \
char buff[4096] = {0}; \
rule_id_tostring(rule_uuid_array, rule_ids_str, sizeof(rule_ids_str)); \
sf_id_tostring(chain, sf_ids_str, sizeof(sf_ids_str)); \
snprintf(buff, sizeof(buff), "sc rule list=%s, SFP list=%s", rule_ids_str, sf_ids_str); \
marsio_dp_trace_measurement_emit_str(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE, "Policy", buff); \
} \
} while (0)
#define PACKET_TELEMETRY_ON_POLICY(mr_ins, mr_buff, rule_uuid_array, chain) \
do \
{ \
if (marsio_dp_trace_measurements_can_emit(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TELEMETRY)) \
{ \
char rule_ids_str[1024] = {0}; \
char sf_ids_str[1024] = {0}; \
char buff[4096] = {0}; \
rule_id_tostring(rule_uuid_array, rule_ids_str, sizeof(rule_ids_str)); \
sf_id_tostring(chain, sf_ids_str, sizeof(sf_ids_str)); \
snprintf(buff, sizeof(buff), "sc rule list=%s, SFP list=%s", rule_ids_str, sf_ids_str); \
marsio_dp_trace_measurement_emit_str(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TELEMETRY, "Policy", buff); \
} \
} while (0)
#define PACKET_TRACE_ON_CHAIN(mr_ins, mr_buff, sf, meta) \
do \
{ \
if (marsio_dp_trace_measurements_can_emit(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE)) \
{ \
char buff[2048] = {0}; \
char rule_uuid_str[UUID_STRING_SIZE] = {0}; \
char sf_uuid_str[UUID_STRING_SIZE] = {0}; \
uuid_unparse((sf)->rule_uuid, rule_uuid_str); \
uuid_unparse((sf)->sf_uuid, sf_uuid_str); \
snprintf(buff, sizeof(buff), "sc rule id=%s, sf id=%s, fwd type=%s, pkt dir=%s, pkt type=%s, state=%s %s", \
rule_uuid_str, sf_uuid_str, \
forward_type_tostring((sf)->sff_forward_type), \
((meta)->direction ? "E2I" : "I2E"), \
((meta)->is_decrypted ? "decrypted" : "raw"), \
((sf)->sf_action == SESSION_ACTION_FORWARD ? "success" : "failure"), \
((sf)->sf_action == SESSION_ACTION_FORWARD ? "" : action_desc_tostring((sf)->sf_action_desc))); \
marsio_dp_trace_measurement_emit_str(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TRACE, "Forwarder", buff); \
} \
} while (0)
#define PACKET_TELEMETRY_ON_CHAIN(mr_ins, mr_buff, sf, meta) \
do \
{ \
if (marsio_dp_trace_measurements_can_emit(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TELEMETRY)) \
{ \
char buff[2048] = {0}; \
char rule_uuid_str[UUID_STRING_SIZE] = {0}; \
char sf_uuid_str[UUID_STRING_SIZE] = {0}; \
uuid_unparse((sf)->rule_uuid, rule_uuid_str); \
uuid_unparse((sf)->sf_uuid, sf_uuid_str); \
snprintf(buff, sizeof(buff), "sc rule id=%s, sf id=%s, type=%s, action=%s", \
rule_uuid_str, sf_uuid_str, \
forward_type_tostring((sf)->sff_forward_type), \
action_desc_tostring((sf)->sf_action_desc)); \
marsio_dp_trace_measurement_emit_str(mr_ins, mr_buff, DP_TRACE_MEASUREMENT_TYPE_TELEMETRY, "Forwarder", buff); \
} \
} while (0)
#ifdef __cplusplus
}
#endif
#endif