Merge in fixes for UDP

[awesomized/libmemcached] / libmemcached / behavior.cc

diff --git a/libmemcached/behavior.cc b/libmemcached/behavior.cc
index 330be0b8c757d93c397a0cae090aa7a4e08f0c31..64456a4b6b9d29dc4351822d9bc731a372619006 100644 (file)
--- a/libmemcached/behavior.cc
+++ b/libmemcached/behavior.cc
@@ -53,7 +53,9 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr,
                                           uint64_t data)
 {
   if (not ptr)
+  {
     return MEMCACHED_INVALID_ARGUMENTS;
+  }
 
   switch (flag)
   {
@@ -85,7 +87,12 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr,
     ptr->flags.auto_eject_hosts= bool(data);
 
   case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT:
-    ptr->server_failure_limit= (uint32_t)data;
+    if (data == 0)
+    {
+      return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+                                        memcached_literal_param("MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT requires a value greater then zero."));
+    }
+    ptr->server_failure_limit= uint32_t(data);
     break;
 
   case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL:
@@ -107,19 +114,22 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr,
     break;
 
   case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
+    if (ptr->flags.use_udp)
+    {
+      return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+                                 memcached_literal_param("MEMCACHED_BEHAVIOR_BUFFER_REQUESTS cannot be set while MEMCACHED_BEHAVIOR_USE_UDP is enabled."));
+    }
     ptr->flags.buffer_requests= bool(data);
     send_quit(ptr);
     break;
 
   case MEMCACHED_BEHAVIOR_USE_UDP:
-    if (memcached_server_count(ptr))
-    {
-      return MEMCACHED_FAILURE;
-    }
+    send_quit(ptr); // We need t shutdown all of the connections to make sure we do the correct protocol
     ptr->flags.use_udp= bool(data);
-    if (data)
+    if (bool(data))
     {
-      ptr->flags.no_reply= bool(data);
+      ptr->flags.no_reply= true;
+      ptr->flags.buffer_requests= false;
     }
     break;
 
@@ -189,7 +199,12 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr,
     break;
 
   case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT:
-    ptr->retry_timeout= (int32_t)data;
+    if (data == 0)
+    {
+      return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+                                        memcached_literal_param("MEMCACHED_BEHAVIOR_RETRY_TIMEOUT requires a value greater then zero."));
+    }
+    ptr->retry_timeout= int32_t(data);
     break;
 
   case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE:
@@ -212,10 +227,15 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr,
                                memcached_literal_param("MEMCACHED_BEHAVIOR_USER_DATA deprecated."));
 
   case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY:
-    ptr->flags.hash_with_prefix_key= bool(data);
+    ptr->flags.hash_with_namespace= bool(data);
     break;
 
   case MEMCACHED_BEHAVIOR_NOREPLY:
+    if (ptr->flags.use_udp and bool(data) == false)
+    {
+      return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+                                 memcached_literal_param("MEMCACHED_BEHAVIOR_NOREPLY cannot be disabled while MEMCACHED_BEHAVIOR_USE_UDP is enabled."));
+    }
     ptr->flags.no_reply= bool(data);
     break;
 
@@ -238,10 +258,10 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr,
 
   case MEMCACHED_BEHAVIOR_MAX:
   default:
-    /* Shouldn't get here */
-    WATCHPOINT_ASSERT(0);
-    return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
-                               memcached_literal_param("Invalid behavior passed to memcached_behavior_set()"));
+      /* Shouldn't get here */
+      assert_msg(0, "Invalid behavior passed to memcached_behavior_set()");
+      return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+                                 memcached_literal_param("Invalid behavior passed to memcached_behavior_set()"));
   }
 
   return MEMCACHED_SUCCESS;
@@ -415,7 +435,7 @@ uint64_t memcached_behavior_get(memcached_st *ptr,
     return 0;
 
   case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY:
-    return ptr->flags.hash_with_prefix_key;
+    return ptr->flags.hash_with_namespace;
 
   case MEMCACHED_BEHAVIOR_NOREPLY:
     return ptr->flags.no_reply;
@@ -441,7 +461,7 @@ uint64_t memcached_behavior_get(memcached_st *ptr,
 
   case MEMCACHED_BEHAVIOR_MAX:
   default:
-    WATCHPOINT_ASSERT(0); /* Programming mistake if it gets this far */
+    assert_msg(0, "Invalid behavior passed to memcached_behavior_set()");
     return 0;
   }
 
@@ -461,8 +481,10 @@ memcached_return_t memcached_behavior_set_distribution(memcached_st *ptr, memcac
     {
       ptr->ketama.weighted= false;
     }
+
     ptr->distribution= type;
     run_distribution(ptr);
+
     return MEMCACHED_SUCCESS;
   }
 
@@ -479,7 +501,9 @@ memcached_server_distribution_t memcached_behavior_get_distribution(memcached_st
 memcached_return_t memcached_behavior_set_key_hash(memcached_st *ptr, memcached_hash_t type)
 {
   if (hashkit_success(hashkit_set_function(&ptr->hashkit, (hashkit_hash_algorithm_t)type)))
+  {
     return MEMCACHED_SUCCESS;
+  }
 
   return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
                              memcached_literal_param("Invalid memcached_hash_t()"));