/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsCache.h"

#include "nsDiskCache.h"

#include "nsDiskCacheEntry.h"

#include "nsDiskCacheBinding.h"

#include "nsCRT.h"

#include "nsISerializable.h"

#include "nsSerializationHelper.h"

/******************************************************************************

 *  nsDiskCacheEntry

 *****************************************************************************/

/**

 *  CreateCacheEntry()

 *

 *  Creates an nsCacheEntry and sets all fields except for the binding.

 */

nsCacheEntry *

nsDiskCacheEntry::CreateCacheEntry(nsCacheDevice *  device)

{

    nsCacheEntry * entry = nullptr;

    nsresult       rv = nsCacheEntry::Create(Key(),

                                             nsICache::STREAM_BASED,

                                             nsICache::STORE_ON_DISK,

                                             device,

                                             &entry);

    if (NS_FAILED(rv) || !entry) return nullptr;

    entry->SetFetchCount(mFetchCount);

    entry->SetLastFetched(mLastFetched);

    entry->SetLastModified(mLastModified);

    entry->SetExpirationTime(mExpirationTime);

    entry->SetCacheDevice(device);

    // XXX why does nsCacheService have to fill out device in BindEntry()?

    entry->SetDataSize(mDataSize);

    rv = entry->UnflattenMetaData(MetaData(), mMetaDataSize);

    if (NS_FAILED(rv)) {

        delete entry;

        return nullptr;

    }

    // Restore security info, if present

    const char* info = entry->GetMetaDataElement("security-info");

    if (info) {

        nsCOMPtr<nsISupports> infoObj;

        rv = NS_DeserializeObject(nsDependentCString(info),

                                  getter_AddRefs(infoObj));

        if (NS_FAILED(rv)) {

            delete entry;

            return nullptr;

        }

        entry->SetSecurityInfo(infoObj);

    }

    return entry;

}

/******************************************************************************

 *  nsDiskCacheEntryInfo

 *****************************************************************************/

NS_IMPL_ISUPPORTS(nsDiskCacheEntryInfo, nsICacheEntryInfo)

NS_IMETHODIMP nsDiskCacheEntryInfo::GetClientID(nsACString& aClientID)

{

    return ClientIDFromCacheKey(nsDependentCString(mDiskEntry->Key()), aClientID);

}

extern const char DISK_CACHE_DEVICE_ID[];

NS_IMETHODIMP nsDiskCacheEntryInfo::GetDeviceID(nsACString& aDeviceID)

{

    aDeviceID.Assign(mDeviceID);

    return NS_OK;

}

NS_IMETHODIMP nsDiskCacheEntryInfo::GetKey(nsACString &clientKey)

{

    return ClientKeyFromCacheKey(nsDependentCString(mDiskEntry->Key()), clientKey);

}

NS_IMETHODIMP nsDiskCacheEntryInfo::GetFetchCount(int32_t *aFetchCount)

{

    NS_ENSURE_ARG_POINTER(aFetchCount);

    *aFetchCount = mDiskEntry->mFetchCount;

    return NS_OK;

}

NS_IMETHODIMP nsDiskCacheEntryInfo::GetLastFetched(uint32_t *aLastFetched)

{

    NS_ENSURE_ARG_POINTER(aLastFetched);

    *aLastFetched = mDiskEntry->mLastFetched;

    return NS_OK;

}

NS_IMETHODIMP nsDiskCacheEntryInfo::GetLastModified(uint32_t *aLastModified)

{

    NS_ENSURE_ARG_POINTER(aLastModified);

    *aLastModified = mDiskEntry->mLastModified;

    return NS_OK;

}

NS_IMETHODIMP nsDiskCacheEntryInfo::GetExpirationTime(uint32_t *aExpirationTime)

{

    NS_ENSURE_ARG_POINTER(aExpirationTime);

    *aExpirationTime = mDiskEntry->mExpirationTime;

    return NS_OK;

}

NS_IMETHODIMP nsDiskCacheEntryInfo::IsStreamBased(bool *aStreamBased)

{

    NS_ENSURE_ARG_POINTER(aStreamBased);

    *aStreamBased = true;

    return NS_OK;

}

NS_IMETHODIMP nsDiskCacheEntryInfo::GetDataSize(uint32_t *aDataSize)

{

    NS_ENSURE_ARG_POINTER(aDataSize);

    *aDataSize = mDiskEntry->mDataSize;

    return NS_OK;

}