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

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   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
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  36
  37
  38 #pragma once
  39
  40 #ifdef HAVE_SYS_TIME_H
  41 #include <sys/time.h>
  42 #endif
  43
  44 #include <cassert>
  45
  46 memcached_server_st *__server_create_with(memcached_st *memc,
  47                                           memcached_server_st* self,
  48                                           const memcached_string_t& hostname,
  49                                           const in_port_t port,
  50                                           uint32_t weight,
  51                                           const memcached_connection_t type);
  52
  53 memcached_return_t memcached_server_add_parsed(memcached_st *ptr,
  54                                                const char *hostname,
  55                                                size_t hostname_length,
  56                                                in_port_t port,
  57                                                uint32_t weight);
  58
  59 void __server_free(memcached_server_st *);
  60
  61 static inline bool memcached_is_valid_servername(const memcached_string_t& arg)
  62 {
  63   return (arg.c_str != NULL or arg.size == 0) and arg.size < MEMCACHED_NI_MAXHOST;
  64 }
  65
  66 static inline bool memcached_is_valid_filename(const memcached_string_t& arg)
  67 {
  68   return arg.c_str != NULL and arg.size > 0 and arg.size < MEMCACHED_NI_MAXHOST;
  69 }
  70
  71 void memcached_instance_free(memcached_instance_st *);
  72
  73 void set_last_disconnected_host(memcached_instance_st* self);
  74
  75 static inline void memcached_mark_server_for_timeout(memcached_instance_st* server)
  76 {
  77   if (server->state != MEMCACHED_SERVER_STATE_IN_TIMEOUT)
  78   {
  79     if (server->root->retry_timeout != 0)
  80     {
  81       struct timeval next_time;
  82       if (gettimeofday(&next_time, NULL) == 0)
  83       {
  84         server->next_retry= next_time.tv_sec +server->root->retry_timeout;
  85       }
  86       else
  87       {
  88         server->next_retry= 1; // Setting the value to 1 causes the timeout to occur immediatly
  89       }
  90
  91       server->state= MEMCACHED_SERVER_STATE_IN_TIMEOUT;
  92     }
  93     if (server->server_failure_counter_query_id != server->root->query_id)
  94     {
  95       server->server_failure_counter++;
  96       server->server_failure_counter_query_id= server->root->query_id;
  97     }
  98     set_last_disconnected_host(server);
  99   }
 100 }