samplecode/sgxtime/enclave/src/lib.rs

// Copyright (C) 2017-2018 Baidu, Inc. All Rights Reserved.
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#![crate_name = "sgxtimeenclave"]
#![crate_type = "staticlib"]

#![cfg_attr(not(target_env = "sgx"), no_std)]
#![cfg_attr(target_env = "sgx", feature(rustc_private))]

extern crate sgx_types;
#[cfg(not(target_env = "sgx"))]
#[macro_use]
extern crate sgx_tstd as std;
extern crate sgx_tservice;

use sgx_types::*;
use sgx_tservice::*;

#[no_mangle]
pub extern "C" fn sgx_time_sample() -> sgx_status_t {

    match rsgx_create_pse_session() {
        Ok(_) => println!("Create PSE session done"),
        _ => {
            println!("Cannot create PSE session");
            return sgx_status_t::SGX_ERROR_UNEXPECTED;
        }
    }
    let ttime = sgxtime::SgxTime::now();
    //println!("timestamp: {}", ttime.timestamp);
    match ttime {
        Ok(st) => println!("Ok with {:?}", st),
        Err(x) => {
            println!("Err with {}", x);
            return sgx_status_t::SGX_ERROR_UNEXPECTED;
        }
    }
    match rsgx_close_pse_session() {
        Ok(_) => println!("close PSE session done"),
        _ => {
            println!("Cannot close PSE session");
            return sgx_status_t::SGX_ERROR_UNEXPECTED;
        }
    }
    
    sgx_status_t::SGX_SUCCESS
}