michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsCache.h"
michael@0: #include "nsDiskCache.h"
michael@0: #include "nsDiskCacheEntry.h"
michael@0: #include "nsDiskCacheBinding.h"
michael@0: #include "nsCRT.h"
michael@0: 
michael@0: #include "nsISerializable.h"
michael@0: #include "nsSerializationHelper.h"
michael@0: 
michael@0: /******************************************************************************
michael@0:  *  nsDiskCacheEntry
michael@0:  *****************************************************************************/
michael@0: 
michael@0: /**
michael@0:  *  CreateCacheEntry()
michael@0:  *
michael@0:  *  Creates an nsCacheEntry and sets all fields except for the binding.
michael@0:  */
michael@0: nsCacheEntry *
michael@0: nsDiskCacheEntry::CreateCacheEntry(nsCacheDevice *  device)
michael@0: {
michael@0:     nsCacheEntry * entry = nullptr;
michael@0:     nsresult       rv = nsCacheEntry::Create(Key(),
michael@0:                                              nsICache::STREAM_BASED,
michael@0:                                              nsICache::STORE_ON_DISK,
michael@0:                                              device,
michael@0:                                              &entry);
michael@0:     if (NS_FAILED(rv) || !entry) return nullptr;
michael@0:     
michael@0:     entry->SetFetchCount(mFetchCount);
michael@0:     entry->SetLastFetched(mLastFetched);
michael@0:     entry->SetLastModified(mLastModified);
michael@0:     entry->SetExpirationTime(mExpirationTime);
michael@0:     entry->SetCacheDevice(device);
michael@0:     // XXX why does nsCacheService have to fill out device in BindEntry()?
michael@0:     entry->SetDataSize(mDataSize);
michael@0:     
michael@0:     rv = entry->UnflattenMetaData(MetaData(), mMetaDataSize);
michael@0:     if (NS_FAILED(rv)) {
michael@0:         delete entry;
michael@0:         return nullptr;
michael@0:     }
michael@0: 
michael@0:     // Restore security info, if present
michael@0:     const char* info = entry->GetMetaDataElement("security-info");
michael@0:     if (info) {
michael@0:         nsCOMPtr<nsISupports> infoObj;
michael@0:         rv = NS_DeserializeObject(nsDependentCString(info),
michael@0:                                   getter_AddRefs(infoObj));
michael@0:         if (NS_FAILED(rv)) {
michael@0:             delete entry;
michael@0:             return nullptr;
michael@0:         }
michael@0:         entry->SetSecurityInfo(infoObj);
michael@0:     }
michael@0: 
michael@0:     return entry;                      
michael@0: }
michael@0: 
michael@0: 
michael@0: /******************************************************************************
michael@0:  *  nsDiskCacheEntryInfo
michael@0:  *****************************************************************************/
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsDiskCacheEntryInfo, nsICacheEntryInfo)
michael@0: 
michael@0: NS_IMETHODIMP nsDiskCacheEntryInfo::GetClientID(char ** clientID)
michael@0: {
michael@0:     NS_ENSURE_ARG_POINTER(clientID);
michael@0:     return ClientIDFromCacheKey(nsDependentCString(mDiskEntry->Key()), clientID);
michael@0: }
michael@0: 
michael@0: extern const char DISK_CACHE_DEVICE_ID[];
michael@0: NS_IMETHODIMP nsDiskCacheEntryInfo::GetDeviceID(char ** deviceID)
michael@0: {
michael@0:     NS_ENSURE_ARG_POINTER(deviceID);
michael@0:     *deviceID = NS_strdup(mDeviceID);
michael@0:     return *deviceID ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
michael@0: }
michael@0: 
michael@0: 
michael@0: NS_IMETHODIMP nsDiskCacheEntryInfo::GetKey(nsACString &clientKey)
michael@0: {
michael@0:     return ClientKeyFromCacheKey(nsDependentCString(mDiskEntry->Key()), clientKey);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsDiskCacheEntryInfo::GetFetchCount(int32_t *aFetchCount)
michael@0: {
michael@0:     NS_ENSURE_ARG_POINTER(aFetchCount);
michael@0:     *aFetchCount = mDiskEntry->mFetchCount;
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsDiskCacheEntryInfo::GetLastFetched(uint32_t *aLastFetched)
michael@0: {
michael@0:     NS_ENSURE_ARG_POINTER(aLastFetched);
michael@0:     *aLastFetched = mDiskEntry->mLastFetched;
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsDiskCacheEntryInfo::GetLastModified(uint32_t *aLastModified)
michael@0: {
michael@0:     NS_ENSURE_ARG_POINTER(aLastModified);
michael@0:     *aLastModified = mDiskEntry->mLastModified;
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsDiskCacheEntryInfo::GetExpirationTime(uint32_t *aExpirationTime)
michael@0: {
michael@0:     NS_ENSURE_ARG_POINTER(aExpirationTime);
michael@0:     *aExpirationTime = mDiskEntry->mExpirationTime;
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsDiskCacheEntryInfo::IsStreamBased(bool *aStreamBased)
michael@0: {
michael@0:     NS_ENSURE_ARG_POINTER(aStreamBased);
michael@0:     *aStreamBased = true;
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsDiskCacheEntryInfo::GetDataSize(uint32_t *aDataSize)
michael@0: {
michael@0:     NS_ENSURE_ARG_POINTER(aDataSize);
michael@0:     *aDataSize = mDiskEntry->mDataSize;
michael@0:     return NS_OK;
michael@0: }