request.message.header.request.magic= PROTOCOL_BINARY_REQ;
request.message.header.request.opcode= cmd;
request.message.header.request.magic= PROTOCOL_BINARY_REQ;
request.message.header.request.opcode= cmd;
request.message.header.request.extlen= 20;
request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
request.message.header.request.bodylen= htonl(key_length + request.message.header.request.extlen);
request.message.header.request.extlen= 20;
request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
request.message.header.request.bodylen= htonl(key_length + request.message.header.request.extlen);