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netwerk/cache/nsDiskCacheEntry.cpp@6474c204b198 (annotated)

netwerk/cache/nsDiskCacheEntry.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0	2	*
michael@0	3	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#include "nsCache.h"
michael@0	8	#include "nsDiskCache.h"
michael@0	9	#include "nsDiskCacheEntry.h"
michael@0	10	#include "nsDiskCacheBinding.h"
michael@0	11	#include "nsCRT.h"
michael@0	12
michael@0	13	#include "nsISerializable.h"
michael@0	14	#include "nsSerializationHelper.h"
michael@0	15
michael@0	16	/******************************************************************************
michael@0	17	* nsDiskCacheEntry
michael@0	18	*****************************************************************************/
michael@0	19
michael@0	20	/**
michael@0	21	* CreateCacheEntry()
michael@0	22	*
michael@0	23	* Creates an nsCacheEntry and sets all fields except for the binding.
michael@0	24	*/
michael@0	25	nsCacheEntry *
michael@0	26	nsDiskCacheEntry::CreateCacheEntry(nsCacheDevice * device)
michael@0	27	{
michael@0	28	nsCacheEntry * entry = nullptr;
michael@0	29	nsresult rv = nsCacheEntry::Create(Key(),
michael@0	30	nsICache::STREAM_BASED,
michael@0	31	nsICache::STORE_ON_DISK,
michael@0	32	device,
michael@0	33	&entry);
michael@0	34	if (NS_FAILED(rv) || !entry) return nullptr;
michael@0	35
michael@0	36	entry->SetFetchCount(mFetchCount);
michael@0	37	entry->SetLastFetched(mLastFetched);
michael@0	38	entry->SetLastModified(mLastModified);
michael@0	39	entry->SetExpirationTime(mExpirationTime);
michael@0	40	entry->SetCacheDevice(device);
michael@0	41	// XXX why does nsCacheService have to fill out device in BindEntry()?
michael@0	42	entry->SetDataSize(mDataSize);
michael@0	43
michael@0	44	rv = entry->UnflattenMetaData(MetaData(), mMetaDataSize);
michael@0	45	if (NS_FAILED(rv)) {
michael@0	46	delete entry;
michael@0	47	return nullptr;
michael@0	48	}
michael@0	49
michael@0	50	// Restore security info, if present
michael@0	51	const char* info = entry->GetMetaDataElement("security-info");
michael@0	52	if (info) {
michael@0	53	nsCOMPtr<nsISupports> infoObj;
michael@0	54	rv = NS_DeserializeObject(nsDependentCString(info),
michael@0	55	getter_AddRefs(infoObj));
michael@0	56	if (NS_FAILED(rv)) {
michael@0	57	delete entry;
michael@0	58	return nullptr;
michael@0	59	}
michael@0	60	entry->SetSecurityInfo(infoObj);
michael@0	61	}
michael@0	62
michael@0	63	return entry;
michael@0	64	}
michael@0	65
michael@0	66
michael@0	67	/******************************************************************************
michael@0	68	* nsDiskCacheEntryInfo
michael@0	69	*****************************************************************************/
michael@0	70
michael@0	71	NS_IMPL_ISUPPORTS(nsDiskCacheEntryInfo, nsICacheEntryInfo)
michael@0	72
michael@0	73	NS_IMETHODIMP nsDiskCacheEntryInfo::GetClientID(char ** clientID)
michael@0	74	{
michael@0	75	NS_ENSURE_ARG_POINTER(clientID);
michael@0	76	return ClientIDFromCacheKey(nsDependentCString(mDiskEntry->Key()), clientID);
michael@0	77	}
michael@0	78
michael@0	79	extern const char DISK_CACHE_DEVICE_ID[];
michael@0	80	NS_IMETHODIMP nsDiskCacheEntryInfo::GetDeviceID(char ** deviceID)
michael@0	81	{
michael@0	82	NS_ENSURE_ARG_POINTER(deviceID);
michael@0	83	*deviceID = NS_strdup(mDeviceID);
michael@0	84	return *deviceID ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
michael@0	85	}
michael@0	86
michael@0	87
michael@0	88	NS_IMETHODIMP nsDiskCacheEntryInfo::GetKey(nsACString &clientKey)
michael@0	89	{
michael@0	90	return ClientKeyFromCacheKey(nsDependentCString(mDiskEntry->Key()), clientKey);
michael@0	91	}
michael@0	92
michael@0	93	NS_IMETHODIMP nsDiskCacheEntryInfo::GetFetchCount(int32_t *aFetchCount)
michael@0	94	{
michael@0	95	NS_ENSURE_ARG_POINTER(aFetchCount);
michael@0	96	*aFetchCount = mDiskEntry->mFetchCount;
michael@0	97	return NS_OK;
michael@0	98	}
michael@0	99
michael@0	100	NS_IMETHODIMP nsDiskCacheEntryInfo::GetLastFetched(uint32_t *aLastFetched)
michael@0	101	{
michael@0	102	NS_ENSURE_ARG_POINTER(aLastFetched);
michael@0	103	*aLastFetched = mDiskEntry->mLastFetched;
michael@0	104	return NS_OK;
michael@0	105	}
michael@0	106
michael@0	107	NS_IMETHODIMP nsDiskCacheEntryInfo::GetLastModified(uint32_t *aLastModified)
michael@0	108	{
michael@0	109	NS_ENSURE_ARG_POINTER(aLastModified);
michael@0	110	*aLastModified = mDiskEntry->mLastModified;
michael@0	111	return NS_OK;
michael@0	112	}
michael@0	113
michael@0	114	NS_IMETHODIMP nsDiskCacheEntryInfo::GetExpirationTime(uint32_t *aExpirationTime)
michael@0	115	{
michael@0	116	NS_ENSURE_ARG_POINTER(aExpirationTime);
michael@0	117	*aExpirationTime = mDiskEntry->mExpirationTime;
michael@0	118	return NS_OK;
michael@0	119	}
michael@0	120
michael@0	121	NS_IMETHODIMP nsDiskCacheEntryInfo::IsStreamBased(bool *aStreamBased)
michael@0	122	{
michael@0	123	NS_ENSURE_ARG_POINTER(aStreamBased);
michael@0	124	*aStreamBased = true;
michael@0	125	return NS_OK;
michael@0	126	}
michael@0	127
michael@0	128	NS_IMETHODIMP nsDiskCacheEntryInfo::GetDataSize(uint32_t *aDataSize)
michael@0	129	{
michael@0	130	NS_ENSURE_ARG_POINTER(aDataSize);
michael@0	131	*aDataSize = mDiskEntry->mDataSize;
michael@0	132	return NS_OK;
michael@0	133	}