| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License.. |
| |
| extern crate sgx_types; |
| extern crate sgx_urts; |
| use sgx_types::*; |
| use sgx_urts::SgxEnclave; |
| |
| use std::time::Instant; |
| |
| static ENCLAVE_FILE: &'static str = "enclave.signed.so"; |
| |
| extern { |
| fn ecall_repeat_ocalls(eid: sgx_enclave_id_t, |
| nrepeats: u64, |
| use_switchless: u32) -> sgx_status_t; |
| |
| fn ecall_empty(eid: sgx_enclave_id_t) -> sgx_status_t; |
| fn ecall_empty_switchless(eid: sgx_enclave_id_t) -> sgx_status_t; |
| } |
| |
| fn init_enclave(num_uworker : u32, num_tworker : u32) -> SgxResult<SgxEnclave> { |
| let mut launch_token: sgx_launch_token_t = [0; 1024]; |
| let mut launch_token_updated: i32 = 0; |
| // call sgx_create_enclave to initialize an enclave instance |
| // Debug Support: set 2nd parameter to 1 |
| let debug = 1; |
| let mut misc_attr = sgx_misc_attribute_t {secs_attr: sgx_attributes_t { flags:0, xfrm:0}, misc_select:0}; |
| SgxEnclave::create_with_workers(ENCLAVE_FILE, |
| debug, |
| &mut launch_token, |
| &mut launch_token_updated, |
| &mut misc_attr, |
| num_uworker, |
| num_tworker) |
| } |
| |
| #[no_mangle] |
| pub extern "C" |
| fn ocall_empty() { |
| } |
| |
| #[no_mangle] |
| pub extern "C" |
| fn ocall_empty_switchless() { |
| } |
| |
| const REPEATS:u64 = 500000; |
| |
| fn benchmark_empty_ocall(eid : sgx_enclave_id_t, |
| is_switchless : u32) { |
| let info = match is_switchless { |
| 0 => "ordinary", |
| _ => "switchless", |
| }; |
| |
| println!("Repeating an **{}** OCall that does nothing for {} times", info, REPEATS); |
| |
| let start = Instant::now(); |
| let _ = unsafe { |
| ecall_repeat_ocalls(eid, REPEATS, is_switchless) |
| }; |
| let elapsed = start.elapsed(); |
| println!("Time elapsed {:?}", elapsed); |
| } |
| |
| fn benchmark_empty_ecall(eid : sgx_enclave_id_t, |
| is_switchless : u32) { |
| let info = match is_switchless { |
| 0 => "ordinary", |
| _ => "switchless", |
| }; |
| |
| let func : unsafe extern "C" fn(sgx_enclave_id_t) -> sgx_status_t = match is_switchless { |
| 0 => ecall_empty, |
| _ => ecall_empty_switchless, |
| }; |
| |
| println!("Repeating an **{}** OCall that does nothing for {} times", info, REPEATS); |
| |
| let start = Instant::now(); |
| for _ in 0..REPEATS { |
| let _ = unsafe { |
| func(eid) |
| }; |
| } |
| let elapsed = start.elapsed(); |
| println!("Time elapsed {:?}", elapsed); |
| } |
| |
| fn main() { |
| |
| let enclave = match init_enclave(2,2) { |
| Ok(r) => { |
| println!("[+] Init Enclave Successful {}!", r.geteid()); |
| r |
| }, |
| Err(x) => { |
| println!("[-] Init Enclave Failed {}!", x.as_str()); |
| return; |
| }, |
| }; |
| |
| benchmark_empty_ocall(enclave.geteid(),0); |
| benchmark_empty_ocall(enclave.geteid(),1); |
| benchmark_empty_ecall(enclave.geteid(),0); |
| benchmark_empty_ecall(enclave.geteid(),1); |
| |
| println!("[+] say_something success..."); |
| |
| enclave.destroy(); |
| } |