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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/ftp/ftp_auth_cache.h"
#include "base/logging.h"
#include "googleurl/src/gurl.h"
namespace net {
// static
const size_t FtpAuthCache::kMaxEntries = 10;
AuthData* FtpAuthCache::Lookup(const GURL& origin) {
Entry* entry = LookupEntry(origin);
return (entry ? entry->auth_data : NULL);
}
void FtpAuthCache::Add(const GURL& origin, AuthData* auth_data) {
DCHECK(origin.SchemeIs("ftp"));
DCHECK_EQ(origin.GetOrigin(), origin);
Entry* entry = LookupEntry(origin);
if (entry) {
entry->auth_data = auth_data;
} else {
entries_.push_front(Entry(origin, auth_data));
// Prevent unbound memory growth of the cache.
if (entries_.size() > kMaxEntries)
entries_.pop_back();
}
}
void FtpAuthCache::Remove(const GURL& origin) {
for (EntryList::iterator it = entries_.begin(); it != entries_.end(); ++it) {
if (it->origin == origin) {
entries_.erase(it);
DCHECK(!LookupEntry(origin));
return;
}
}
}
FtpAuthCache::Entry* FtpAuthCache::LookupEntry(const GURL& origin) {
for (EntryList::iterator it = entries_.begin(); it != entries_.end(); ++it) {
if (it->origin == origin)
return &(*it);
}
return NULL;
}
} // namespace net
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