Silently ignore the new stats fields
[awesomized/libmemcached] / libmemcached / memcached_delete.c
index 3e1390fa56d71fe6e78874a79af664c6710a4106..f2fab3221a53cca25203b936d100d86460c5a259 100644 (file)
@@ -26,14 +26,17 @@ memcached_return memcached_delete_by_key(memcached_st *ptr,
 
   LIBMEMCACHED_MEMCACHED_DELETE_START();
 
-  unlikely (key_length == 0)
-    return MEMCACHED_NO_KEY_PROVIDED;
+  rc= memcached_validate_key_length(key_length, 
+                                    ptr->flags & MEM_BINARY_PROTOCOL);
+  unlikely (rc != MEMCACHED_SUCCESS)
+    return rc;
 
   unlikely (ptr->hosts == NULL || ptr->number_of_hosts == 0)
     return MEMCACHED_NO_SERVERS;
 
   server_key= memcached_generate_hash(ptr, master_key, master_key_length);
   to_write= (ptr->flags & MEM_BUFFER_REQUESTS) ? 0 : 1;
+  bool no_reply= (ptr->flags & MEM_NOREPLY);
      
   if (ptr->flags & MEM_BINARY_PROTOCOL) 
     rc= binary_delete(ptr, server_key, key, key_length, to_write);
@@ -41,22 +44,30 @@ memcached_return memcached_delete_by_key(memcached_st *ptr,
   {
     if (expiration)
       send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
-                            "delete %s%.*s %llu\r\n", 
+                            "delete %s%.*s %u%s\r\n",
                             ptr->prefix_key,
                             (int)key_length, key, 
-                            (unsigned long long)expiration);
+                            (uint32_t)expiration, no_reply ? " noreply" :"" );
     else
        send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
-                             "delete %s%.*s\r\n", 
+                             "delete %s%.*s%s\r\n",
                              ptr->prefix_key,
-                             (int)key_length, key);
+                             (int)key_length, key, no_reply ? " noreply" :"");
     
     if (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE) 
     {
       rc= MEMCACHED_WRITE_FAILURE;
       goto error;
     }
-     
+
+    if (ptr->flags & MEM_USE_UDP && !to_write)
+    {
+      if (send_length > MAX_UDP_DATAGRAM_LENGTH - UDP_DATAGRAM_HEADER_LENGTH)
+        return MEMCACHED_WRITE_FAILURE;
+      if (send_length + ptr->hosts[server_key].write_buffer_offset > MAX_UDP_DATAGRAM_LENGTH)
+        memcached_io_write(&ptr->hosts[server_key], NULL, 0, 1);
+    }
+    
     rc= memcached_do(&ptr->hosts[server_key], buffer, send_length, to_write);
   }
 
@@ -64,10 +75,8 @@ memcached_return memcached_delete_by_key(memcached_st *ptr,
     goto error;
 
   if ((ptr->flags & MEM_BUFFER_REQUESTS))
-  {
     rc= MEMCACHED_BUFFERED;
-  }
-  else
+  else if (!no_reply)
   {
     rc= memcached_response(&ptr->hosts[server_key], buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL);
     if (rc == MEMCACHED_DELETED)
@@ -91,10 +100,22 @@ static inline memcached_return binary_delete(memcached_st *ptr,
   protocol_binary_request_delete request= {.bytes= {0}};
 
   request.message.header.request.magic= PROTOCOL_BINARY_REQ;
-  request.message.header.request.opcode= PROTOCOL_BINARY_CMD_DELETE;
+  if (ptr->flags & MEM_NOREPLY)
+    request.message.header.request.opcode= PROTOCOL_BINARY_CMD_DELETEQ;
+  else
+    request.message.header.request.opcode= PROTOCOL_BINARY_CMD_DELETE;
   request.message.header.request.keylen= htons((uint16_t)key_length);
   request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
   request.message.header.request.bodylen= htonl(key_length);
+
+  if (ptr->flags & MEM_USE_UDP && !flush)
+  {
+    size_t cmd_size= sizeof(request.bytes) + key_length;
+    if (cmd_size > MAX_UDP_DATAGRAM_LENGTH - UDP_DATAGRAM_HEADER_LENGTH)
+      return MEMCACHED_WRITE_FAILURE;
+    if (cmd_size + ptr->hosts[server_key].write_buffer_offset > MAX_UDP_DATAGRAM_LENGTH)
+      memcached_io_write(&ptr->hosts[server_key], NULL, 0, 1);
+  }
   
   if ((memcached_do(&ptr->hosts[server_key], request.bytes, 
                     sizeof(request.bytes), 0) != MEMCACHED_SUCCESS) ||