git.m6w6.name Git - awesomized/libmemcached/blob - libmemcached/instance.hpp

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   2  *
   3  *  Libmemcached library
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  37
  38
  39 #pragma once
  40
  41 #ifndef WIN32
  42 # ifdef HAVE_NETDB_H
  43 #  include <netdb.h>
  44 # endif
  45 #endif
  46
  47 #ifdef NI_MAXHOST
  48 # define MEMCACHED_NI_MAXHOST NI_MAXHOST
  49 #else
  50 # define MEMCACHED_NI_MAXHOST 1025
  51 #endif
  52
  53 #ifdef NI_MAXSERV
  54 # define MEMCACHED_NI_MAXSERV NI_MAXSERV
  55 #else
  56 # define MEMCACHED_NI_MAXSERV 32
  57 #endif
  58
  59 #include "libmemcached/string.hpp"
  60
  61 // @todo Complete class transformation
  62 struct memcached_instance_st {
  63   in_port_t port() const
  64   {
  65     return port_;
  66   }
  67
  68   void port(in_port_t arg)
  69   {
  70     port_= arg;
  71   }
  72
  73   void mark_server_as_clean()
  74   {
  75     server_failure_counter= 0;
  76     next_retry= 0;
  77   }
  78
  79   void disable()
  80   {
  81   }
  82
  83   void enable()
  84   {
  85   }
  86
  87   bool valid() const;
  88
  89   bool is_shutting_down() const;
  90
  91   void start_close_socket();
  92   void close_socket();
  93   void reset_socket();
  94
  95   uint32_t response_count() const
  96   {
  97     return cursor_active_;
  98   }
  99
 100   struct {
 101     bool is_allocated;
 102     bool is_initialized;
 103     bool is_shutting_down;
 104     bool is_dead;
 105     bool ready;
 106   } options;
 107
 108   short _events;
 109   short _revents;
 110
 111   short events(void)
 112   {
 113     return _events;
 114   }
 115
 116   short revents(void)
 117   {
 118     return _revents;
 119   }
 120
 121   const char* hostname()
 122   {
 123     return _hostname;
 124   }
 125
 126   void hostname(const memcached_string_t& hostname_)
 127   {
 128     if (hostname_.size)
 129     {
 130       memcpy(_hostname, hostname_.c_str, hostname_.size);
 131       _hostname[hostname_.size]= 0;
 132     }
 133     else
 134     {
 135       memcpy(_hostname, memcached_literal_param("localhost"));
 136       _hostname[memcached_literal_param_size("localhost")]= 0;
 137     }
 138   }
 139
 140   void events(short);
 141   void revents(short);
 142
 143   uint32_t cursor_active_;
 144   in_port_t port_;
 145   memcached_socket_t fd;
 146   uint32_t io_bytes_sent; /* # bytes sent since last read */
 147   uint32_t request_id;
 148   uint32_t server_failure_counter;
 149   uint64_t server_failure_counter_query_id;
 150   uint32_t weight;
 151   uint32_t version;
 152   enum memcached_server_state_t state;
 153   struct {
 154     uint32_t read;
 155     uint32_t write;
 156     uint32_t timeouts;
 157     size_t _bytes_read;
 158   } io_wait_count;
 159   uint8_t major_version; // Default definition of UINT8_MAX means that it has not been set.
 160   uint8_t micro_version; // ditto, and note that this is the third, not second version bit
 161   uint8_t minor_version; // ditto
 162   memcached_connection_t type;
 163   char *read_ptr;
 164   size_t read_buffer_length;
 165   size_t read_data_length;
 166   size_t write_buffer_offset;
 167   struct addrinfo *address_info;
 168   struct addrinfo *address_info_next;
 169   time_t next_retry;
 170   struct memcached_st *root;
 171   uint64_t limit_maxbytes;
 172   struct memcached_error_t *error_messages;
 173   char read_buffer[MEMCACHED_MAX_BUFFER];
 174   char write_buffer[MEMCACHED_MAX_BUFFER];
 175   char _hostname[MEMCACHED_NI_MAXHOST];
 176
 177   void clear_addrinfo()
 178   {
 179     if (address_info)
 180     {
 181       freeaddrinfo(address_info);
 182       address_info= NULL;
 183       address_info_next= NULL;
 184     }
 185   }
 186 };
 187
 188 memcached_instance_st* __instance_create_with(memcached_st *memc,
 189                                               memcached_instance_st* self,
 190                                               const memcached_string_t& _hostname,
 191                                               const in_port_t port,
 192                                               uint32_t weight,
 193                                               const memcached_connection_t type);
 194
 195 memcached_return_t memcached_instance_push(memcached_st *ptr, const memcached_instance_st*, uint32_t);
 196
 197 void __instance_free(memcached_instance_st *);