summaryrefslogtreecommitdiffstats
path: root/khtml/khtml_pagecache.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'khtml/khtml_pagecache.cpp')
-rw-r--r--khtml/khtml_pagecache.cpp313
1 files changed, 0 insertions, 313 deletions
diff --git a/khtml/khtml_pagecache.cpp b/khtml/khtml_pagecache.cpp
deleted file mode 100644
index 935f31cc0..000000000
--- a/khtml/khtml_pagecache.cpp
+++ /dev/null
@@ -1,313 +0,0 @@
-/* This file is part of the KDE project
- *
- * Copyright (C) 2000 Waldo Bastian <bastian@kde.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "khtml_pagecache.h"
-
-#include <kstaticdeleter.h>
-#include <ktempfile.h>
-#include <kstandarddirs.h>
-
-#include <tqintdict.h>
-#include <tqtimer.h>
-
-#include <sys/types.h>
-#include <unistd.h>
-#include <assert.h>
-
-// We keep 12 pages in memory.
-#ifndef KHTML_PAGE_CACHE_SIZE
-#define KHTML_PAGE_CACHE_SIZE 12
-#endif
-
-template class TQPtrList<KHTMLPageCacheDelivery>;
-class KHTMLPageCacheEntry
-{
- friend class KHTMLPageCache;
-public:
- KHTMLPageCacheEntry(long id);
-
- ~KHTMLPageCacheEntry();
-
- void addData(const TQByteArray &data);
-
- void endData();
-
- bool isComplete()
- { return m_complete; }
-
- KHTMLPageCacheDelivery *fetchData(TQObject *recvObj, const char *recvSlot);
-private:
- long m_id;
- bool m_complete;
- TQValueList<TQByteArray> m_data;
- KTempFile *m_file;
-};
-
-class KHTMLPageCachePrivate
-{
-public:
- long newId;
- TQIntDict<KHTMLPageCacheEntry> dict;
- TQPtrList<KHTMLPageCacheDelivery> delivery;
- TQPtrList<KHTMLPageCacheEntry> expireQueue;
- bool deliveryActive;
-};
-
-KHTMLPageCacheEntry::KHTMLPageCacheEntry(long id) : m_id(id), m_complete(false)
-{
- TQString path = locateLocal("tmp", "khtmlcache");
- m_file = new KTempFile(path);
- m_file->unlink();
-}
-
-KHTMLPageCacheEntry::~KHTMLPageCacheEntry()
-{
- delete m_file;
-}
-
-
-void
-KHTMLPageCacheEntry::addData(const TQByteArray &data)
-{
- if (m_file->status() == 0)
- m_file->dataStream()->writeRawBytes(data.data(), data.size());
-}
-
-void
-KHTMLPageCacheEntry::endData()
-{
- m_complete = true;
- if ( m_file->status() == 0) {
- m_file->dataStream()->device()->flush();
- m_file->dataStream()->device()->at(0);
- }
-}
-
-
-KHTMLPageCacheDelivery *
-KHTMLPageCacheEntry::fetchData(TQObject *recvObj, const char *recvSlot)
-{
- // Duplicate fd so that entry can be safely deleted while delivering the data.
- int fd = dup(m_file->handle());
- lseek(fd, 0, SEEK_SET);
- KHTMLPageCacheDelivery *delivery = new KHTMLPageCacheDelivery(fd);
- recvObj->connect(delivery, TQT_SIGNAL(emitData(const TQByteArray&)), recvSlot);
- delivery->recvObj = recvObj;
- return delivery;
-}
-
-static KStaticDeleter<KHTMLPageCache> pageCacheDeleter;
-
-KHTMLPageCache *KHTMLPageCache::_self = 0;
-
-KHTMLPageCache *
-KHTMLPageCache::self()
-{
- if (!_self)
- _self = pageCacheDeleter.setObject(_self, new KHTMLPageCache);
- return _self;
-}
-
-KHTMLPageCache::KHTMLPageCache()
-{
- d = new KHTMLPageCachePrivate;
- d->newId = 1;
- d->deliveryActive = false;
-}
-
-KHTMLPageCache::~KHTMLPageCache()
-{
- d->delivery.setAutoDelete(true);
- d->dict.setAutoDelete(true);
- delete d;
-}
-
-long
-KHTMLPageCache::createCacheEntry()
-{
- KHTMLPageCacheEntry *entry = new KHTMLPageCacheEntry(d->newId);
- d->dict.insert(d->newId, entry);
- d->expireQueue.append(entry);
- if (d->expireQueue.count() > KHTML_PAGE_CACHE_SIZE)
- {
- KHTMLPageCacheEntry *entry = d->expireQueue.take(0);
- d->dict.remove(entry->m_id);
- delete entry;
- }
- return (d->newId++);
-}
-
-void
-KHTMLPageCache::addData(long id, const TQByteArray &data)
-{
- KHTMLPageCacheEntry *entry = d->dict.find(id);
- if (entry)
- entry->addData(data);
-}
-
-void
-KHTMLPageCache::endData(long id)
-{
- KHTMLPageCacheEntry *entry = d->dict.find(id);
- if (entry)
- entry->endData();
-}
-
-void
-KHTMLPageCache::cancelEntry(long id)
-{
- KHTMLPageCacheEntry *entry = d->dict.take(id);
- if (entry)
- {
- d->expireQueue.removeRef(entry);
- delete entry;
- }
-}
-
-bool
-KHTMLPageCache::isValid(long id)
-{
- return (d->dict.find(id) != 0);
-}
-
-bool
-KHTMLPageCache::isComplete(long id)
-{
- KHTMLPageCacheEntry *entry = d->dict.find(id);
- if (entry)
- return entry->isComplete();
- return false;
-}
-
-void
-KHTMLPageCache::fetchData(long id, TQObject *recvObj, const char *recvSlot)
-{
- KHTMLPageCacheEntry *entry = d->dict.find(id);
- if (!entry || !entry->isComplete()) return;
-
- // Make this entry the most recent entry.
- d->expireQueue.removeRef(entry);
- d->expireQueue.append(entry);
-
- d->delivery.append( entry->fetchData(recvObj, recvSlot) );
- if (!d->deliveryActive)
- {
- d->deliveryActive = true;
- TQTimer::singleShot(20, this, TQT_SLOT(sendData()));
- }
-}
-
-void
-KHTMLPageCache::cancelFetch(TQObject *recvObj)
-{
- KHTMLPageCacheDelivery *next;
- for(KHTMLPageCacheDelivery* delivery = d->delivery.first();
- delivery;
- delivery = next)
- {
- next = d->delivery.next();
- if (delivery->recvObj == recvObj)
- {
- d->delivery.removeRef(delivery);
- delete delivery;
- }
- }
-}
-
-void
-KHTMLPageCache::sendData()
-{
- if (d->delivery.isEmpty())
- {
- d->deliveryActive = false;
- return;
- }
- KHTMLPageCacheDelivery *delivery = d->delivery.take(0);
- assert(delivery);
-
- char buf[8192];
- TQByteArray byteArray;
-
- int n = read(delivery->fd, buf, 8192);
-
- if ((n < 0) && (errno == EINTR))
- {
- // try again later
- d->delivery.append( delivery );
- }
- else if (n <= 0)
- {
- // done.
- delivery->emitData(byteArray); // Empty array
- delete delivery;
- }
- else
- {
- byteArray.setRawData(buf, n);
- delivery->emitData(byteArray);
- byteArray.resetRawData(buf, n);
- d->delivery.append( delivery );
- }
- TQTimer::singleShot(0, this, TQT_SLOT(sendData()));
-}
-
-void
-KHTMLPageCache::saveData(long id, TQDataStream *str)
-{
- KHTMLPageCacheEntry *entry = d->dict.find(id);
- assert(entry);
-
- int fd = entry->m_file->handle();
- if ( fd < 0 ) return;
-
- off_t pos = lseek(fd, 0, SEEK_CUR);
- lseek(fd, 0, SEEK_SET);
-
- char buf[8192];
-
- while(true)
- {
- int n = read(fd, buf, 8192);
- if ((n < 0) && (errno == EINTR))
- {
- // try again
- continue;
- }
- else if (n <= 0)
- {
- // done.
- break;
- }
- else
- {
- str->writeRawBytes(buf, n);
- }
- }
-
- if (pos != (off_t)-1)
- lseek(fd, pos, SEEK_SET);
-}
-
-KHTMLPageCacheDelivery::~KHTMLPageCacheDelivery()
-{
- close(fd);
-}
-
-#include "khtml_pagecache.moc"
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-13 07:42:08 +0000