/* -*- 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 "nsReadableUtils.h" #include "nsDependentSubstring.h" #include "nsString.h" /** * Cache Service Utility Functions */ mozilla::LazyLogModule gCacheLog("cache"); void CacheLogPrintPath(mozilla::LogLevel level, const char * format, nsIFile * item) { nsAutoCString path; nsresult rv = item->GetNativePath(path); if (NS_SUCCEEDED(rv)) { MOZ_LOG(gCacheLog, level, (format, path.get())); } else { MOZ_LOG(gCacheLog, level, ("GetNativePath failed: %x", rv)); } } uint32_t SecondsFromPRTime(PRTime prTime) { int64_t microSecondsPerSecond = PR_USEC_PER_SEC; return uint32_t(prTime / microSecondsPerSecond); } PRTime PRTimeFromSeconds(uint32_t seconds) { int64_t intermediateResult = seconds; PRTime prTime = intermediateResult * PR_USEC_PER_SEC; return prTime; } nsresult ClientIDFromCacheKey(const nsACString& key, char ** result) { nsresult rv = NS_OK; *result = nullptr; nsReadingIterator<char> colon; key.BeginReading(colon); nsReadingIterator<char> start; key.BeginReading(start); nsReadingIterator<char> end; key.EndReading(end); if (FindCharInReadable(':', colon, end)) { *result = ToNewCString( Substring(start, colon)); if (!*result) rv = NS_ERROR_OUT_OF_MEMORY; } else { NS_ASSERTION(false, "FindCharInRead failed to find ':'"); rv = NS_ERROR_UNEXPECTED; } return rv; } nsresult ClientKeyFromCacheKey(const nsCString& key, nsACString &result) { nsresult rv = NS_OK; nsReadingIterator<char> start; key.BeginReading(start); nsReadingIterator<char> end; key.EndReading(end); if (FindCharInReadable(':', start, end)) { ++start; // advance past clientID ':' delimiter result.Assign(Substring(start, end)); } else { NS_ASSERTION(false, "FindCharInRead failed to find ':'"); rv = NS_ERROR_UNEXPECTED; result.Truncate(0); } return rv; }