git.m6w6.name Git - m6w6/libmemcached/blob - include/libmemcached-1.0/struct/server.h

   1 /*
   2     +--------------------------------------------------------------------+
   3     | libmemcached - C/C++ Client Library for memcached                  |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted under the terms of the BSD license.    |
   7     | You should have received a copy of the license in a bundled file   |
   8     | named LICENSE; in case you did not receive a copy you can review   |
   9     | the terms online at: https://opensource.org/licenses/BSD-3-Clause  |
  10     +--------------------------------------------------------------------+
  11     | Copyright (c) 2006-2014 Brian Aker   https://datadifferential.com/ |
  12     | Copyright (c) 2020 Michael Wallner   <mike@php.net>                |
  13     +--------------------------------------------------------------------+
  14 */
  15
  16 #pragma once
  17
  18 #ifdef HAVE_NETDB_H
  19 #  include <netdb.h>
  20 #endif
  21
  22 #ifdef NI_MAXHOST
  23 #  define MEMCACHED_NI_MAXHOST NI_MAXHOST
  24 #else
  25 #  define MEMCACHED_NI_MAXHOST 1025
  26 #endif
  27
  28 #ifdef NI_MAXSERV
  29 #  define MEMCACHED_NI_MAXSERV NI_MAXSERV
  30 #else
  31 #  define MEMCACHED_NI_MAXSERV 32
  32 #endif
  33
  34 enum memcached_server_state_t {
  35   MEMCACHED_SERVER_STATE_NEW,      // fd == -1, no address lookup has been done
  36   MEMCACHED_SERVER_STATE_ADDRINFO, // ADDRRESS information has been gathered
  37   MEMCACHED_SERVER_STATE_IN_PROGRESS,
  38   MEMCACHED_SERVER_STATE_CONNECTED,
  39   MEMCACHED_SERVER_STATE_IN_TIMEOUT,
  40   MEMCACHED_SERVER_STATE_DISABLED
  41 };
  42
  43 struct memcached_server_st {
  44   struct {
  45     bool is_allocated : 1;
  46     bool is_initialized : 1;
  47     bool is_shutting_down : 1;
  48     bool is_dead : 1;
  49   } options;
  50   uint32_t number_of_hosts;
  51   uint32_t cursor_active;
  52   in_port_t port;
  53   uint32_t io_bytes_sent; /* # bytes sent since last read */
  54   uint32_t request_id;
  55   uint32_t server_failure_counter;
  56   uint64_t server_failure_counter_query_id;
  57   uint32_t server_timeout_counter;
  58   uint64_t server_timeout_counter_query_id;
  59   uint32_t weight;
  60   uint32_t version;
  61   enum memcached_server_state_t state;
  62   struct {
  63     uint32_t read;
  64     uint32_t write;
  65     uint32_t timeouts;
  66     size_t _bytes_read;
  67   } io_wait_count;
  68   uint8_t major_version; // Default definition of UINT8_MAX means that it has not been set.
  69   uint8_t micro_version; // ditto, and note that this is the third, not second version bit
  70   uint8_t minor_version; // ditto
  71   memcached_connection_t type;
  72   time_t next_retry;
  73   struct memcached_st *root;
  74   uint64_t limit_maxbytes;
  75   struct memcached_error_t *error_messages;
  76   char hostname[MEMCACHED_NI_MAXHOST];
  77 };