metrics.h

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#ifndef METRICS_H
#define METRICS_H
 
#include <stdatomic.h>
 
typedef struct metrics_s {
 
    struct {
        atomic_ullong connections;
 
        atomic_ullong queries;
        
        atomic_ullong unknown_client_ip_soc_family;
 
        atomic_ullong getsockname_err;
 
        atomic_ullong unknown_local_ip_soc_family;
        
        atomic_ullong conn_id_unavailable;
 
        atomic_ullong query_len_toolarge;
 
        atomic_ullong query_recv_timeout;
 
        atomic_ullong keepalive_timeout;
 
        atomic_ullong closed_no_query;
 
        atomic_ullong closed_partial_query;
 
        atomic_ullong sock_read_err;
 
        atomic_ullong sock_write_err;
 
        atomic_ullong sock_write_timeout;
 
        atomic_ullong sock_closed_for_write;
    } tcp;
 
    struct {
        atomic_ullong queries;
    } udp;
 
    struct {
        atomic_ullong queries;
 
        atomic_ullong queries_rcode_noerror;
 
        atomic_ullong queries_rcode_formerr;
 
        atomic_ullong queries_rcode_servfail;
 
        atomic_ullong queries_rcode_nxdomain;
 
        atomic_ullong queries_rcode_notimpl;
 
        atomic_ullong queries_rcode_refused;
 
        atomic_ullong queries_rcode_shortheader;
 
        atomic_ullong queries_rcode_toolarge;
 
        atomic_ullong queries_rcode_badversion;
 
        atomic_ullong queries_type_invalid;
 
        atomic_ullong queries_type_A;
 
        atomic_ullong queries_type_AAAA;
 
        atomic_ullong queries_type_CNAME;
 
        atomic_ullong queries_type_MX;
 
        atomic_ullong queries_type_NS;
 
        atomic_ullong queries_type_PTR;
 
        atomic_ullong queries_type_SRV;
 
        atomic_ullong queries_type_SOA;
 
        atomic_ullong queries_type_TXT;
 
        atomic_ullong queries_type_unsupported;
 
        atomic_ullong queries_edns_present;
        
        atomic_ullong queries_edns_valid;
 
        atomic_ullong queries_edns_dobit;
 
        atomic_ullong queries_clientsubnet;
 
    } dns;
 
    struct {
        atomic_ullong app_log_open_error;
 
        atomic_ullong app_log_write_error;
 
        atomic_ullong query_log_buf_no_space;
 
        atomic_ullong resource_reload_error;
 
        /* Number of times opening query log file failed.*/
        atomic_ullong query_log_open_error;
    } app;
 
} metrics_t;
 
#endif /* End of METRICS_H */