request.message.header.request.opcode= PROTOCOL_BINARY_CMD_TOUCH;
request.message.header.request.extlen= 4;
request.message.header.request.keylen= htons((uint16_t)(key_length +memcached_array_size(instance->root->_namespace)));
request.message.header.request.opcode= PROTOCOL_BINARY_CMD_TOUCH;
request.message.header.request.extlen= 4;
request.message.header.request.keylen= htons((uint16_t)(key_length +memcached_array_size(instance->root->_namespace)));