blob: db96a5d26fa7f9b6f4adb293bbab38a2084bdd95 [file] [log] [blame]
// Copyright 2016 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 <vector>
#include "base/observer_list.h"
#include "components/certificate_transparency/sth_observer.h"
#include "components/certificate_transparency/sth_reporter.h"
#include "net/base/net_export.h"
namespace net {
namespace ct {
struct SignedTreeHead;
} // namespace ct
} // namespace net
namespace certificate_transparency {
// A proxy for delegating new STH notifications to all registered
// observers.
// For each |observer| registered with RegisterObserver, the
// NewSTHObserved method will be called whenever the STHDistributor's
// NewSTHObserved method is invoked.
class STHDistributor : public STHObserver, public STHReporter {
~STHDistributor() override;
// STHObserver implementation.
void NewSTHObserved(const net::ct::SignedTreeHead& sth) override;
// STHReporter implementation
// Registers |observer| for new STH notifications. On registration,
// the |observer| will be notified of the latest STH for each log tha the
// STHDistributor has observed.
void RegisterObserver(STHObserver* observer) override;
// Unregisters |observer|, which must have been previously
// registered via RegisterObserver()
void UnregisterObserver(STHObserver* observer) override;
// STHs from logs, one for each log.
std::vector<net::ct::SignedTreeHead> observed_sths_;
// The observers for new STH notifications.
base::ObserverList<STHObserver, true>::Unchecked observer_list_;
} // namespace certificate_transparency