git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/server.hpp

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   2  *
   3  *  Libmemcached library
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   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
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  36
  37
  38 #pragma once
  39
  40 #include <libmemcached/basic_string.h>
  41
  42 #ifdef HAVE_SYS_TIME_H
  43 #include <sys/time.h>
  44 #endif
  45
  46 #include <cassert>
  47
  48 static inline bool memcached_is_valid_servername(const memcached_string_t& arg)
  49 {
  50   return arg.size > 0 or arg.size < NI_MAXHOST;
  51 }
  52
  53 static inline void memcached_mark_server_as_clean(memcached_server_write_instance_st server)
  54 {
  55   server->server_failure_counter= 0;
  56   server->next_retry= 0;
  57 }
  58
  59
  60 static inline void set_last_disconnected_host(memcached_server_write_instance_st self)
  61 {
  62   assert(self->root);
  63   if (self->root == NULL)
  64   {
  65     return;
  66   }
  67
  68   if (self->root->last_disconnected_server and self->root->last_disconnected_server->version == self->version)
  69   {
  70     return;
  71   }
  72
  73   // const_cast
  74   memcached_st *root= (memcached_st *)self->root;
  75
  76   memcached_server_free(root->last_disconnected_server);
  77   root->last_disconnected_server= memcached_server_clone(NULL, self);
  78   root->last_disconnected_server->version= self->version;
  79 }
  80
  81 static inline void memcached_mark_server_for_timeout(memcached_server_write_instance_st server)
  82 {
  83   if (server->state != MEMCACHED_SERVER_STATE_IN_TIMEOUT)
  84   {
  85     struct timeval next_time;
  86     if (gettimeofday(&next_time, NULL) == 0)
  87     {
  88       server->next_retry= next_time.tv_sec +server->root->retry_timeout;
  89     }
  90     else
  91     {
  92       server->next_retry= 1; // Setting the value to 1 causes the timeout to occur immediatly
  93     }
  94
  95     server->state= MEMCACHED_SERVER_STATE_IN_TIMEOUT;
  96     server->server_failure_counter++;
  97     set_last_disconnected_host(server);
  98   }
  99 }
 100
 101 LIBMEMCACHED_LOCAL
 102   memcached_server_st *__server_create_with(memcached_st *memc,
 103                                             memcached_server_write_instance_st host,
 104                                             const memcached_string_t& hostname,
 105                                             const in_port_t port,
 106                                             uint32_t weight,
 107                                             const memcached_connection_t type);