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