text: /** @file
  
    Stats of TLS
  
    @section license License
  
    Licensed to the Apache Software Foundation (ASF) under one
    or more contributor license agreements.  See the NOTICE file
    distributed with this work for additional information
    regarding copyright ownership.  The ASF licenses this file
    to you under the Apache License, Version 2.0 (the
    "License"); you may not use this file except in compliance
    with the License.  You may obtain a copy of the License at
  
        http://www.apache.org/licenses/LICENSE-2.0
  
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
   */
  
  #pragma once
  
  #include <unordered_map>
  
  #include "records/I_RecProcess.h"
  #include "SSLDiags.h"
  
  /* Stats should only be accessed using these macros */
  #define SSL_INCREMENT_DYN_STAT(x) RecIncrRawStat(ssl_rsb, nullptr, (int)x, 1)
  #define SSL_DECREMENT_DYN_STAT(x) RecIncrRawStat(ssl_rsb, nullptr, (int)x, -1)
  #define SSL_SET_COUNT_DYN_STAT(x, count) RecSetRawStatCount(ssl_rsb, x, count)
  #define SSL_INCREMENT_DYN_STAT_EX(x, y) RecIncrRawStat(ssl_rsb, nullptr, (int)x, y)
  #define SSL_CLEAR_DYN_STAT(x)            \
    do {                                   \
      RecSetRawStatSum(ssl_rsb, (x), 0);   \
      RecSetRawStatCount(ssl_rsb, (x), 0); \
    } while (0)
  #define SSL_CLR_ERR_INCR_DYN_STAT(vc, x, fmt, ...) \
    do {                                             \
      SSLVCDebug((vc), fmt, ##__VA_ARGS__);          \
      RecIncrRawStat(ssl_rsb, nullptr, (int)x, 1);   \
    } while (0)
  
  enum SSL_Stats {
    ssl_origin_server_expired_cert_stat,
    ssl_user_agent_expired_cert_stat,
    ssl_origin_server_revoked_cert_stat,
    ssl_user_agent_revoked_cert_stat,
    ssl_origin_server_unknown_cert_stat,
    ssl_user_agent_unknown_cert_stat,
    ssl_origin_server_cert_verify_failed_stat,
    ssl_user_agent_cert_verify_failed_stat,
    ssl_origin_server_bad_cert_stat,
    ssl_user_agent_bad_cert_stat,
    ssl_origin_server_decryption_failed_stat,
    ssl_user_agent_decryption_failed_stat,
    ssl_origin_server_wrong_version_stat,
    ssl_user_agent_wrong_version_stat,
    ssl_origin_server_other_errors_stat,
    ssl_user_agent_other_errors_stat,
    ssl_origin_server_unknown_ca_stat,
    ssl_user_agent_unknown_ca_stat,
    ssl_user_agent_sessions_stat,
    ssl_user_agent_session_hit_stat,
    ssl_user_agent_session_miss_stat,
    ssl_user_agent_session_timeout_stat,
    ssl_total_handshake_time_stat,
    ssl_total_success_handshake_count_in_stat,
    ssl_total_tickets_created_stat,
    ssl_total_tickets_verified_stat,
    ssl_total_tickets_verified_old_key_stat, // verified with old key.
    ssl_total_ticket_keys_renewed_stat,      // number of keys renewed.
    ssl_total_tickets_not_found_stat,
    ssl_total_tickets_renewed_stat,
    ssl_total_dyn_def_tls_record_count,
    ssl_total_dyn_max_tls_record_count,
    ssl_total_dyn_redo_tls_record_count,
    ssl_session_cache_hit,
    ssl_session_cache_miss,
    ssl_session_cache_eviction,
    ssl_session_cache_lock_contention,
    ssl_session_cache_new_session,
  
    /* error stats */
    ssl_error_want_write,
    ssl_error_want_read,
    ssl_error_want_client_hello_cb,
    ssl_error_want_x509_lookup,
    ssl_error_syscall,
    ssl_error_read_eos,
    ssl_error_zero_return,
    ssl_error_ssl,
    ssl_sni_name_set_failure,
    ssl_total_success_handshake_count_out_stat,
  
    /* ocsp stapling stats */
    ssl_ocsp_revoked_cert_stat,
    ssl_ocsp_unknown_cert_stat,
    ssl_ocsp_refreshed_cert_stat,
    ssl_ocsp_refresh_cert_failure_stat,
  
    /* SSL/TLS versions */
    ssl_total_sslv3,
    ssl_total_tlsv1,
    ssl_total_tlsv11,
    ssl_total_tlsv12,
    ssl_total_tlsv13,
  
    ssl_cipher_stats_start = 100,
    ssl_cipher_stats_end   = 300,
  
    Ssl_Stat_Count
  };
  
  extern RecRawStatBlock *ssl_rsb;
  extern std::unordered_map<std::string, intptr_t> cipher_map;
  
  // Initialize SSL statistics.
  void SSLInitializeStatistics();
  