X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fmemcached_behavior.c;h=eb3466ce1bea961606db348ba96c1bbc118ff2df;hb=a246ac50a88e4af750fd2dd209eff94dcadf72d2;hp=aac63f4239541d12cb9f2fd06417e6e3fc56829c;hpb=42b674b747eae466d9ca0d766555c53ae75dc367;p=awesomized%2Flibmemcached

diff --git a/libmemcached/memcached_behavior.c b/libmemcached/memcached_behavior.c
index aac63f42..eb3466ce 100644
--- a/libmemcached/memcached_behavior.c
+++ b/libmemcached/memcached_behavior.c
@@ -1,73 +1,155 @@
-#include "common.h" 
+/* LibMemcached
+ * Copyright (C) 2006-2009 Brian Aker
+ * All rights reserved.
+ *
+ * Use and distribution licensed under the BSD license.  See
+ * the COPYING file in the parent directory for full text.
+ *
+ * Summary: Change the behavior of the memcached connection.
+ *
+ */
+
+#include "common.h"
+#include <time.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/tcp.h>
 
-/* 
-  This function is used to modify the behabior of running client.
+/*
+  This function is used to modify the behavior of running client.
 
   We quit all connections so we can reset the sockets.
 */
 
-void set_behavior_flag(memcached_st *ptr, memcached_flags temp_flag, uint64_t data)
-{
-  if (data)
-    ptr->flags|= temp_flag;
-  else
-    ptr->flags&= ~temp_flag;
-}
-
-memcached_return memcached_behavior_set(memcached_st *ptr, 
-                                        memcached_behavior flag, 
-                                        uint64_t data)
+memcached_return_t memcached_behavior_set(memcached_st *ptr,
+                                          memcached_behavior_t flag,
+                                          uint64_t data)
 {
   switch (flag)
   {
+  case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS:
+    ptr->number_of_replicas= (uint32_t)data;
+    break;
+  case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK:
+    ptr->io_msg_watermark= (uint32_t) data;
+    break;
+  case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK:
+    ptr->io_bytes_watermark= (uint32_t)data;
+    break;
+  case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH:
+    ptr->io_key_prefetch = (uint32_t)data;
+    break;
+  case MEMCACHED_BEHAVIOR_SND_TIMEOUT:
+    ptr->snd_timeout= (int32_t)data;
+    break;
+  case MEMCACHED_BEHAVIOR_RCV_TIMEOUT:
+    ptr->rcv_timeout= (int32_t)data;
+    break;
+  case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT:
+    ptr->server_failure_limit= (uint32_t)data;
+    break;
+  case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL:
+    if (data)
+        ptr->flags.verify_key= false;
+
+    ptr->flags.binary_protocol= data ? true : false;
+    break;
   case MEMCACHED_BEHAVIOR_SUPPORT_CAS:
-    set_behavior_flag(ptr, MEM_SUPPORT_CAS, data);
+    ptr->flags.support_cas= data ? true: false;
     break;
   case MEMCACHED_BEHAVIOR_NO_BLOCK:
-    set_behavior_flag(ptr, MEM_NO_BLOCK, data);
+    ptr->flags.no_block= data ? true: false;
     memcached_quit(ptr);
+    break;
   case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
-    set_behavior_flag(ptr, MEM_BUFFER_REQUESTS, data);
+    ptr->flags.buffer_requests= data ? true : false;
     memcached_quit(ptr);
     break;
+  case MEMCACHED_BEHAVIOR_USE_UDP:
+    if (ptr->number_of_hosts)
+      return MEMCACHED_FAILURE;
+    ptr->flags.use_udp= data ? true : false;
+
+    if (data)
+      ptr->flags.no_reply= data ? true : false;
+    break;
+
   case MEMCACHED_BEHAVIOR_TCP_NODELAY:
-    set_behavior_flag(ptr, MEM_TCP_NODELAY, data);
+    ptr->flags.tcp_nodelay= data ? true : false;
     memcached_quit(ptr);
     break;
   case MEMCACHED_BEHAVIOR_DISTRIBUTION:
     {
-      ptr->distribution= (memcached_server_distribution)(data);
+      ptr->distribution= (memcached_server_distribution_t)(data);
+      if (ptr->distribution == MEMCACHED_DISTRIBUTION_RANDOM)
+      {
+        srandom((uint32_t) time(NULL));
+      }
       run_distribution(ptr);
       break;
     }
   case MEMCACHED_BEHAVIOR_KETAMA:
-    if (data)
+    {
+      if (data)
+      {
+        ptr->hash= MEMCACHED_HASH_MD5;
+        ptr->distribution= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA;
+      }
+      else
+      {
+        ptr->hash= 0;
+        ptr->distribution= 0;
+      }
+      run_distribution(ptr);
+      break;
+    }
+  case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED:
     {
       ptr->hash= MEMCACHED_HASH_MD5;
       ptr->distribution= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA;
+      ptr->flags.ketama_weighted= data ? true : false;
+      run_distribution(ptr);
+      break;
     }
-    else
+  case MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE:
+    switch (data)
     {
-      ptr->hash= 0;
-      ptr->distribution= 0;
+    case MEMCACHED_KETAMA_COMPAT_LIBMEMCACHED:
+      ptr->hash= MEMCACHED_HASH_MD5;
+      ptr->distribution= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA;
+      break;
+    case MEMCACHED_KETAMA_COMPAT_SPY:
+      ptr->hash= MEMCACHED_HASH_MD5;
+      ptr->distribution= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY;
+      break;
+    default:
+       return MEMCACHED_FAILURE;
     }
+    run_distribution(ptr);
     break;
   case MEMCACHED_BEHAVIOR_HASH:
-    ptr->hash= (memcached_hash)(data);
+#ifndef HAVE_HSIEH_HASH
+    if ((memcached_hash_t)(data) == MEMCACHED_HASH_HSIEH)
+      return MEMCACHED_FAILURE;
+#endif
+    ptr->hash= (memcached_hash_t)(data);
+    break;
+  case MEMCACHED_BEHAVIOR_KETAMA_HASH:
+    ptr->hash_continuum= (memcached_hash_t)(data);
+    run_distribution(ptr);
     break;
   case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS:
-    set_behavior_flag(ptr, MEM_USE_CACHE_LOOKUPS, data);
+    ptr->flags.use_cache_lookups= data ? true : false;
     memcached_quit(ptr);
     break;
   case MEMCACHED_BEHAVIOR_VERIFY_KEY:
-    set_behavior_flag(ptr, MEM_VERIFY_KEY, data);
+    if (ptr->flags.binary_protocol)
+        break;
+    ptr->flags.verify_key= data ? true : false;
     break;
   case MEMCACHED_BEHAVIOR_SORT_HOSTS:
     {
-      set_behavior_flag(ptr, MEM_USE_SORT_HOSTS, data);
+      ptr->flags.use_sort_hosts= data ? true : false;
       run_distribution(ptr);
 
       break;
@@ -91,57 +173,96 @@ memcached_return memcached_behavior_set(memcached_st *ptr,
     break;
   case MEMCACHED_BEHAVIOR_USER_DATA:
     return MEMCACHED_FAILURE;
+  case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY:
+    ptr->flags.hash_with_prefix_key= data ? true : false;
+    break;
+  case MEMCACHED_BEHAVIOR_NOREPLY:
+    ptr->flags.no_reply= data ? true : false;
+    break;
+  case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS:
+    ptr->flags.auto_eject_hosts= data ? true : false;
+    break;
+  case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ:
+      srandom((uint32_t) time(NULL));
+      ptr->flags.randomize_replica_read= data ? true : false;
+      break;
+  default:
+    /* Shouldn't get here */
+    WATCHPOINT_ASSERT(flag);
+    break;
   }
 
   return MEMCACHED_SUCCESS;
 }
 
-uint64_t memcached_behavior_get(memcached_st *ptr, 
-                                memcached_behavior flag)
+uint64_t memcached_behavior_get(memcached_st *ptr,
+                                memcached_behavior_t flag)
 {
-  memcached_flags temp_flag= 0;
-
   switch (flag)
   {
+  case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS:
+    return ptr->number_of_replicas;
+  case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK:
+    return ptr->io_msg_watermark;
+  case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK:
+    return ptr->io_bytes_watermark;
+  case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH:
+    return ptr->io_key_prefetch;
+  case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL:
+    return ptr->flags.binary_protocol;
   case MEMCACHED_BEHAVIOR_SUPPORT_CAS:
-    temp_flag= MEM_SUPPORT_CAS;
-    break;
+    return ptr->flags.support_cas;
   case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS:
-    temp_flag= MEM_USE_CACHE_LOOKUPS;
+    return ptr->flags.use_cache_lookups;
     break;
   case MEMCACHED_BEHAVIOR_NO_BLOCK:
-    temp_flag= MEM_NO_BLOCK;
-    break;
+    return ptr->flags.no_block;
   case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
-    temp_flag= MEM_BUFFER_REQUESTS;
-    break;
+    return ptr->flags.buffer_requests;
+  case MEMCACHED_BEHAVIOR_USE_UDP:
+    return ptr->flags.use_udp;
   case MEMCACHED_BEHAVIOR_TCP_NODELAY:
-    temp_flag= MEM_TCP_NODELAY;
-    break;
+    return ptr->flags.tcp_nodelay;
   case MEMCACHED_BEHAVIOR_VERIFY_KEY:
-    temp_flag= MEM_VERIFY_KEY;
-    break;
+    return ptr->flags.verify_key;
+  case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED:
+    return ptr->flags.ketama_weighted;
   case MEMCACHED_BEHAVIOR_DISTRIBUTION:
     return ptr->distribution;
   case MEMCACHED_BEHAVIOR_KETAMA:
-    return (ptr->distribution == MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA  && ptr->hash == MEMCACHED_HASH_MD5 ) ? 1 : 0;
+    return (ptr->distribution == MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA) ? (uint64_t) 1 : 0;
+  case MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE:
+    switch (ptr->distribution)
+    {
+    case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA:
+      return MEMCACHED_KETAMA_COMPAT_LIBMEMCACHED;
+    case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY:
+      return MEMCACHED_KETAMA_COMPAT_SPY;
+    case MEMCACHED_DISTRIBUTION_MODULA:
+    case MEMCACHED_DISTRIBUTION_CONSISTENT:
+    case MEMCACHED_DISTRIBUTION_RANDOM:
+    default:
+      return (uint64_t)-1;
+    }
+    /* NOTREACHED */
   case MEMCACHED_BEHAVIOR_HASH:
     return ptr->hash;
+  case MEMCACHED_BEHAVIOR_KETAMA_HASH:
+    return ptr->hash_continuum;
+  case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT:
+    return ptr->server_failure_limit;
   case MEMCACHED_BEHAVIOR_SORT_HOSTS:
-    temp_flag= MEM_USE_SORT_HOSTS;
-    break;
+    return ptr->flags.use_sort_hosts;
   case MEMCACHED_BEHAVIOR_POLL_TIMEOUT:
-    {
-      return (unsigned long long)ptr->poll_timeout;
-    }
+    return (uint64_t)ptr->poll_timeout;
   case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT:
-    {
-      return (unsigned long long)ptr->connect_timeout;
-    }
+    return (uint64_t)ptr->connect_timeout;
   case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT:
-    {
-      return (unsigned long long)ptr->retry_timeout;
-    }
+    return (uint64_t)ptr->retry_timeout;
+  case MEMCACHED_BEHAVIOR_SND_TIMEOUT:
+    return (uint64_t)ptr->snd_timeout;
+  case MEMCACHED_BEHAVIOR_RCV_TIMEOUT:
+    return (uint64_t)ptr->rcv_timeout;
   case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE:
     {
       int sock_size;
@@ -152,11 +273,11 @@ uint64_t memcached_behavior_get(memcached_st *ptr,
       if ((memcached_connect(&ptr->hosts[0])) != MEMCACHED_SUCCESS)
         return 0;
 
-      if (getsockopt(ptr->hosts[0].fd, SOL_SOCKET, 
+      if (getsockopt(ptr->hosts[0].fd, SOL_SOCKET,
                      SO_SNDBUF, &sock_size, &sock_length))
         return 0; /* Zero means error */
 
-      return sock_size;
+      return (uint64_t) sock_size;
     }
   case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE:
     {
@@ -168,21 +289,27 @@ uint64_t memcached_behavior_get(memcached_st *ptr,
       if ((memcached_connect(&ptr->hosts[0])) != MEMCACHED_SUCCESS)
         return 0;
 
-      if (getsockopt(ptr->hosts[0].fd, SOL_SOCKET, 
+      if (getsockopt(ptr->hosts[0].fd, SOL_SOCKET,
                      SO_RCVBUF, &sock_size, &sock_length))
         return 0; /* Zero means error */
 
-      return sock_size;
+      return (uint64_t) sock_size;
     }
   case MEMCACHED_BEHAVIOR_USER_DATA:
     return MEMCACHED_FAILURE;
+  case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY:
+    return ptr->flags.hash_with_prefix_key;
+  case MEMCACHED_BEHAVIOR_NOREPLY:
+    return ptr->flags.no_reply;
+  case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS:
+    return ptr->flags.auto_eject_hosts;
+  case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ:
+    return ptr->flags.randomize_replica_read;
+  default:
+    WATCHPOINT_ASSERT(flag);
+    break;
   }
 
-  WATCHPOINT_ASSERT(temp_flag); /* Programming mistake if it gets this far */
-  if (ptr->flags & temp_flag)
-    return 1;
-  else
-    return 0;
-
-  return MEMCACHED_SUCCESS;
+  WATCHPOINT_ASSERT(0); /* Programming mistake if it gets this far */
+  return 0;
 }