private void maybeLogRequestContent(@Nullable Object message) {
        if (!ctx.log().isAvailable(RequestLogProperty.REQUEST_CONTENT)) {
            if (message == null) {
                ctx.logBuilder()
                   .requestContent(GrpcLogUtil.rpcRequest(method, simpleMethodName), null);
            } else {
                ctx.logBuilder()
                   .requestContent(GrpcLogUtil.rpcRequest(method, simpleMethodName, message), null);
            }
        }
    }
Cancels a call when the call was closed by a client, not by server.
grpc/src/main/java/com/linecorp/armeria/internal/server/grpc/AbstractServerCall.java