gecko-dev/netwerk/cache/nsCache.cpp

71 строка
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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"
#include "mozilla/IntegerPrintfMacros.h"
/**
* Cache Service Utility Functions
*/
mozilla::LazyLogModule gCacheLog("cache");
void CacheLogPrintPath(mozilla::LogLevel level, const char* format,
nsIFile* item) {
MOZ_LOG(gCacheLog, level, (format, item->HumanReadablePath().get()));
}
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, nsACString& result) {
nsReadingIterator<char> colon;
key.BeginReading(colon);
nsReadingIterator<char> start;
key.BeginReading(start);
nsReadingIterator<char> end;
key.EndReading(end);
if (FindCharInReadable(':', colon, end)) {
result.Assign(Substring(start, colon));
return NS_OK;
}
NS_ASSERTION(false, "FindCharInRead failed to find ':'");
return NS_ERROR_UNEXPECTED;
}
nsresult ClientKeyFromCacheKey(const nsCString& key, nsACString& result) {
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));
return NS_OK;
}
NS_ASSERTION(false, "FindCharInRead failed to find ':'");
result.Truncate(0);
return NS_ERROR_UNEXPECTED;
}