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[flash] implement flash storage driver for settings (#4552)

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Jonathan Hui
2020-03-18 20:51:41 -07:00
parent 4ee8010558
commit b3d05af6ff
9 changed files with 866 additions and 0 deletions
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tests/unit/test_flash.cpp
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/*
* Copyright (c) 2020, The OpenThread Authors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the copyright holder 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 HOLDER 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.
*/
#include <openthread/platform/flash.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "utils/flash.hpp"
#include "test_platform.h"
#include "test_util.h"
namespace ot {
void TestFlash(void)
{
uint8_t readBuffer[256];
uint8_t writeBuffer[256];
Instance *instance = testInitInstance();
Flash flash(*instance);
for (uint32_t i = 0; i < sizeof(readBuffer); i++)
{
readBuffer[i] = i & 0xff;
}
flash.Init();
// No records in settings
VerifyOrQuit(flash.Delete(0, 0) == OT_ERROR_NOT_FOUND, "Delete() failed");
VerifyOrQuit(flash.Get(0, 0, NULL, NULL) == OT_ERROR_NOT_FOUND, "Get() failed");
// Multiple records with different keys
for (uint16_t key = 0; key < 16; key++)
{
uint16_t length = key;
SuccessOrQuit(flash.Add(key, writeBuffer, length), "Add() failed");
}
for (uint16_t key = 0; key < 16; key++)
{
uint16_t length = key;
SuccessOrQuit(flash.Get(key, 0, readBuffer, &length), "Get() failed");
VerifyOrQuit(length == key, "Get() did not return expected length");
VerifyOrQuit(memcmp(readBuffer, writeBuffer, length) == 0, "Get() did not return expected value");
}
for (uint16_t key = 0; key < 16; key++)
{
SuccessOrQuit(flash.Delete(key, 0), "Delete() failed");
}
for (uint16_t key = 0; key < 16; key++)
{
VerifyOrQuit(flash.Delete(key, 0) == OT_ERROR_NOT_FOUND, "Delete() failed");
VerifyOrQuit(flash.Get(key, 0, NULL, NULL) == OT_ERROR_NOT_FOUND, "Get() failed");
}
// Multiple records with the same key
for (uint16_t index = 0; index < 16; index++)
{
uint16_t length = index;
SuccessOrQuit(flash.Add(0, writeBuffer, length), "Add() failed");
}
for (uint16_t index = 0; index < 16; index++)
{
uint16_t length = index;
SuccessOrQuit(flash.Get(0, index, readBuffer, &length), "Get() failed");
VerifyOrQuit(length == index, "Get() did not return expected length");
VerifyOrQuit(memcmp(readBuffer, writeBuffer, length) == 0, "Get() did not return expected value");
}
for (uint16_t index = 0; index < 16; index++)
{
SuccessOrQuit(flash.Delete(0, 0), "Delete() failed");
}
VerifyOrQuit(flash.Delete(0, 0) == OT_ERROR_NOT_FOUND, "Delete() failed");
VerifyOrQuit(flash.Get(0, 0, NULL, NULL) == OT_ERROR_NOT_FOUND, "Get() failed");
// Multiple records with the same key
for (uint16_t index = 0; index < 16; index++)
{
uint16_t length = index;
if ((index % 4) == 0)
{
SuccessOrQuit(flash.Set(0, writeBuffer, length), "Add() failed");
}
else
{
SuccessOrQuit(flash.Add(0, writeBuffer, length), "Add() failed");
}
}
for (uint16_t index = 0; index < 4; index++)
{
uint16_t length = index + 12;
SuccessOrQuit(flash.Get(0, index, readBuffer, &length), "Get() failed");
VerifyOrQuit(length == (index + 12), "Get() did not return expected length");
VerifyOrQuit(memcmp(readBuffer, writeBuffer, length) == 0, "Get() did not return expected value");
}
for (uint16_t index = 0; index < 4; index++)
{
SuccessOrQuit(flash.Delete(0, 0), "Delete() failed");
}
VerifyOrQuit(flash.Delete(0, 0) == OT_ERROR_NOT_FOUND, "Delete() failed");
VerifyOrQuit(flash.Get(0, 0, NULL, NULL) == OT_ERROR_NOT_FOUND, "Get() failed");
// Wipe()
for (uint16_t key = 0; key < 16; key++)
{
uint16_t length = key;
SuccessOrQuit(flash.Add(key, writeBuffer, length), "Add() failed");
}
flash.Wipe();
for (uint16_t key = 0; key < 16; key++)
{
VerifyOrQuit(flash.Delete(key, 0) == OT_ERROR_NOT_FOUND, "Delete() failed");
VerifyOrQuit(flash.Get(key, 0, NULL, NULL) == OT_ERROR_NOT_FOUND, "Get() failed");
}
// Test swap
for (uint16_t index = 0; index < 4096; index++)
{
uint16_t key = index & 0xf;
uint16_t length = index & 0xf;
SuccessOrQuit(flash.Set(key, writeBuffer, length), "Set() failed");
}
for (uint16_t key = 0; key < 16; key++)
{
uint16_t length = key;
SuccessOrQuit(flash.Get(key, 0, readBuffer, &length), "Get() failed");
VerifyOrQuit(length == key, "Get() did not return expected length");
VerifyOrQuit(memcmp(readBuffer, writeBuffer, length) == 0, "Get() did not return expected value");
}
}
} // namespace ot
int main(void)
{
ot::TestFlash();
printf("All tests passed\n");
return 0;
}