mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 05:35:31 +00:00
154 lines
4.3 KiB
C++
154 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* 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 the Initial Developer are Copyright (C) 2001
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Gordon Sheridan <gordon@netscape.com>
|
|
* Patrick C. Beard <beard@netscape.com>
|
|
* Darin Fisher <darin@netscape.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsCache.h"
|
|
#include "nsReadableUtils.h"
|
|
#include "nsDependentSubstring.h"
|
|
#include "nsString.h"
|
|
|
|
|
|
/**
|
|
* Cache Service Utility Functions
|
|
*/
|
|
|
|
#if defined(PR_LOGGING)
|
|
PRLogModuleInfo * gCacheLog = nsnull;
|
|
|
|
|
|
void
|
|
CacheLogInit()
|
|
{
|
|
if (gCacheLog) return;
|
|
gCacheLog = PR_NewLogModule("cache");
|
|
NS_ASSERTION(gCacheLog, "\nfailed to allocate cache log.\n");
|
|
}
|
|
|
|
|
|
void
|
|
CacheLogPrintPath(PRLogModuleLevel level, const char * format, nsIFile * item)
|
|
{
|
|
nsCAutoString path;
|
|
nsresult rv = item->GetNativePath(path);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
PR_LOG(gCacheLog, level, (format, path.get()));
|
|
} else {
|
|
PR_LOG(gCacheLog, level, ("GetNativePath failed: %x", rv));
|
|
}
|
|
}
|
|
|
|
#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(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;
|
|
}
|