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// Copyright (c) 2012 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 "remoting/client/plugin/pepper_network_manager.h"
#include <stddef.h>
#include "base/bind.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "ppapi/cpp/module.h"
#include "ppapi/cpp/net_address.h"
#include "ppapi/cpp/network_list.h"
#include "remoting/client/plugin/pepper_util.h"
#include "third_party/webrtc/base/socketaddress.h"
namespace remoting {
PepperNetworkManager::PepperNetworkManager(const pp::InstanceHandle& instance)
: monitor_(instance),
start_count_(0),
network_list_received_(false),
callback_factory_(this),
weak_factory_(this) {
pp::CompletionCallbackWithOutput<pp::NetworkList> callback =
callback_factory_.NewCallbackWithOutput(
&PepperNetworkManager::OnNetworkList);
monitor_.UpdateNetworkList(callback);
}
PepperNetworkManager::~PepperNetworkManager() {
DCHECK(!start_count_);
}
void PepperNetworkManager::StartUpdating() {
if (network_list_received_) {
// Post a task to avoid reentrancy.
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&PepperNetworkManager::SendNetworksChangedSignal,
weak_factory_.GetWeakPtr()));
}
++start_count_;
}
void PepperNetworkManager::StopUpdating() {
DCHECK_GT(start_count_, 0);
--start_count_;
}
void PepperNetworkManager::OnNetworkList(int32_t result,
const pp::NetworkList& list) {
if (result != PP_OK) {
SignalError();
return;
}
DCHECK(!list.is_null());
network_list_received_ = true;
// Request for the next update.
pp::CompletionCallbackWithOutput<pp::NetworkList> callback =
callback_factory_.NewCallbackWithOutput(
&PepperNetworkManager::OnNetworkList);
monitor_.UpdateNetworkList(callback);
// Convert the networks to rtc::Network.
std::vector<rtc::Network*> networks;
size_t count = list.GetCount();
for (size_t i = 0; i < count; i++) {
std::vector<pp::NetAddress> addresses;
list.GetIpAddresses(i, &addresses);
if (addresses.size() == 0)
continue;
for (size_t i = 0; i < addresses.size(); ++i) {
rtc::SocketAddress address;
PpNetAddressToSocketAddress(addresses[i], &address);
if (address.family() == AF_INET6 && IPIsSiteLocal(address.ipaddr())) {
// Link-local IPv6 addresses can't be bound via the current PPAPI
// Bind() interface as designed (see crbug.com/384854); trying to do so
// would fail.
continue;
}
rtc::Network* network = new rtc::Network(
list.GetName(i), list.GetDisplayName(i), address.ipaddr(), 0);
network->AddIP(address.ipaddr());
networks.push_back(network);
}
}
bool changed = false;
MergeNetworkList(networks, &changed);
if (changed)
SignalNetworksChanged();
}
void PepperNetworkManager::SendNetworksChangedSignal() {
SignalNetworksChanged();
}
} // namespace remoting
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