121 lines
3.1 KiB
C++
121 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is nsCache.cpp, released March 18, 2001.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape Communications
|
|
* Corporation. Portions created by Netscape are
|
|
* Copyright (C) 2001 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Gordon Sheridan <gordon@netscape.com>
|
|
* Patrick C. Beard <beard@netscape.com>
|
|
* Darin Fisher <darin@netscape.com>
|
|
*/
|
|
|
|
#include "nsCache.h"
|
|
#include "nsReadableUtils.h"
|
|
#include "nsDependentSubstring.h"
|
|
|
|
|
|
/**
|
|
* Cache Service Utility Functions
|
|
*/
|
|
|
|
#if defined(PR_LOGGING)
|
|
PRLogModuleInfo * gCacheLog = nsnull;
|
|
|
|
void
|
|
CacheLogInit()
|
|
{
|
|
if (gCacheLog) return;
|
|
gCacheLog = PR_NewLogModule("cache");
|
|
NS_ASSERTION(gCacheLog, "\n### failed to allocate cache log.\n");
|
|
}
|
|
#endif
|
|
|
|
PRUint32
|
|
SecondsFromPRTime(PRTime prTime)
|
|
{
|
|
PRInt64 microSecondsPerSecond, intermediateResult;
|
|
PRUint32 seconds;
|
|
|
|
LL_I2L(microSecondsPerSecond, PR_USEC_PER_SEC);
|
|
LL_DIV(intermediateResult, prTime, microSecondsPerSecond);
|
|
LL_L2UI(seconds, intermediateResult);
|
|
return seconds;
|
|
}
|
|
|
|
|
|
PRTime
|
|
PRTimeFromSeconds(PRUint32 seconds)
|
|
{
|
|
PRInt64 microSecondsPerSecond, intermediateResult;
|
|
PRTime prTime;
|
|
|
|
LL_I2L(microSecondsPerSecond, PR_USEC_PER_SEC);
|
|
LL_UI2L(intermediateResult, seconds);
|
|
LL_MUL(prTime, intermediateResult, microSecondsPerSecond);
|
|
return prTime;
|
|
}
|
|
|
|
|
|
nsresult
|
|
ClientIDFromCacheKey(const nsACString& key, char ** result)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
*result = nsnull;
|
|
|
|
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(PR_FALSE, "FindCharInRead failed to find ':'");
|
|
rv = NS_ERROR_UNEXPECTED;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
nsresult
|
|
ClientKeyFromCacheKey(const nsACString& key, char ** result)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
*result = nsnull;
|
|
|
|
nsReadingIterator<char> start;
|
|
key.BeginReading(start);
|
|
|
|
nsReadingIterator<char> end;
|
|
key.EndReading(end);
|
|
|
|
if (FindCharInReadable(':', start, end)) {
|
|
++start; // advance past clientID ':' delimiter
|
|
*result = ToNewCString( Substring(start, end));
|
|
if (!*result) rv = NS_ERROR_OUT_OF_MEMORY;
|
|
} else {
|
|
NS_ASSERTION(PR_FALSE, "FindCharInRead failed to find ':'");
|
|
rv = NS_ERROR_UNEXPECTED;
|
|
}
|
|
return rv;
|
|
}
|