intel-linux-sgx/SampleCode/SampleDNNL/App/App.cpp

/*
 * Copyright (C) 2011-2020 Intel Corporation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *   * Neither the name of Intel Corporation nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */



// App.cpp : Define the entry point for the console application.
//

#include <string.h>
#include <assert.h>
#include <fstream>
#include <thread>
#include <iostream>

#include "Enclave_u.h"
#include "sgx_urts.h"
#include "sgx_tseal.h"

#define ENCLAVE_NAME "libenclave.signed.so"

// Global data
sgx_enclave_id_t global_eid = 0;

typedef struct _sgx_errlist_t {
    sgx_status_t err;
    const char *msg;
    const char *sug; /* Suggestion */
} sgx_errlist_t;

using namespace std;

/* Error code returned by sgx_create_enclave */
static sgx_errlist_t sgx_errlist[] = {
    {
        SGX_ERROR_UNEXPECTED,
        "Unexpected error occurred.",
        NULL
    },
    {
        SGX_ERROR_INVALID_PARAMETER,
        "Invalid parameter.",
        NULL
    },
    {
        SGX_ERROR_OUT_OF_MEMORY,
        "Out of memory.",
        NULL
    },
    {
        SGX_ERROR_ENCLAVE_LOST,
        "Power transition occurred.",
        "Please refer to the sample \"PowerTransition\" for details."
    },
    {
        SGX_ERROR_INVALID_ENCLAVE,
        "Invalid enclave image.",
        NULL
    },
    {
        SGX_ERROR_INVALID_ENCLAVE_ID,
        "Invalid enclave identification.",
        NULL
    },
    {
        SGX_ERROR_INVALID_SIGNATURE,
        "Invalid enclave signature.",
        NULL
    },
    {
        SGX_ERROR_OUT_OF_EPC,
        "Out of EPC memory.",
        NULL
    },
    {
        SGX_ERROR_NO_DEVICE,
        "Invalid SGX device.",
        "Please make sure SGX module is enabled in the BIOS, and install SGX driver afterwards."
    },
    {
        SGX_ERROR_MEMORY_MAP_CONFLICT,
        "Memory map conflicted.",
        NULL
    },
    {
        SGX_ERROR_INVALID_METADATA,
        "Invalid enclave metadata.",
        NULL
    },
    {
        SGX_ERROR_DEVICE_BUSY,
        "SGX device was busy.",
        NULL
    },
    {
        SGX_ERROR_INVALID_VERSION,
        "Enclave version was invalid.",
        NULL
    },
    {
        SGX_ERROR_INVALID_ATTRIBUTE,
        "Enclave was not authorized.",
        NULL
    },
    {
        SGX_ERROR_ENCLAVE_FILE_ACCESS,
        "Can't open enclave file.",
        NULL
    },
};

/* Check error conditions for loading enclave */
void print_error_message(sgx_status_t ret)
{
    size_t idx = 0;
    size_t ttl = sizeof sgx_errlist/sizeof sgx_errlist[0];

    for (idx = 0; idx < ttl; idx++) {
        if(ret == sgx_errlist[idx].err) {
            if(NULL != sgx_errlist[idx].sug)
                printf("Info: %s\n", sgx_errlist[idx].sug);
            printf("Error: %s\n", sgx_errlist[idx].msg);
            break;
        }
    }
    
    if (idx == ttl)
    	printf("Error code is 0x%X. Please refer to the \"Intel SGX SDK Developer Reference\" for more details.\n", ret);
}

/* OCall functions */
void ocall_print_string(const char *str)
{
    /* Proxy/Bridge will check the length and null-terminate 
     * the input string to prevent buffer overflow. 
     */
    printf("%s", str);
}

int main(int argc, char* argv[])
{
    (void)argc, (void)argv;

    sgx_status_t ret = SGX_SUCCESS;
    int retval = 0;
    sgx_enclave_id_t eid = 0;

    // load the enclave
    // Debug: set the 2nd parameter to 1 which indicates the enclave are launched in debug mode
    ret = sgx_create_enclave(ENCLAVE_NAME, SGX_DEBUG_FLAG, NULL, NULL, &eid, NULL);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
        return -1;
    }

    cout<<"Intel(R) Deep Neural Network Library (DNNL)" <<endl;

    ret = getting_started(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
    }

    ret = cnn_inference_f32_c(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
    }

    ret = cnn_inference_f32_cpp(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
    }

    ret = cnn_inference_int8_cpp(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
    }

    ret = cnn_training_f32_cpp(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
    }

    ret = cpu_cnn_training_f32_c(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
    }

    ret = rnn_training_f32_cpp(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
    }

    ret = memory_format_propagation(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
        return -1;
    }

    ret = cpu_rnn_inference_int8_cpp(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
    }

    ret = cpu_rnn_inference_f32_cpp(eid, &retval);
    if(ret != SGX_SUCCESS)
    {
        print_error_message(ret);
    }

    // Destroy the enclave
    sgx_destroy_enclave(eid);

    cout << "Enter a character before exit ..." << endl;
    getchar();
    return 0;
}