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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 "content/renderer/p2p/ipc_network_manager.h"
#include "base/bind.h"
#include "base/sys_byteorder.h"
#include "net/base/net_util.h"
namespace content {
IpcNetworkManager::IpcNetworkManager(P2PSocketDispatcher* socket_dispatcher)
: socket_dispatcher_(socket_dispatcher),
start_count_(0),
network_list_received_(false),
weak_factory_(this) {
socket_dispatcher_->AddNetworkListObserver(this);
}
IpcNetworkManager::~IpcNetworkManager() {
DCHECK(!start_count_);
socket_dispatcher_->RemoveNetworkListObserver(this);
}
void IpcNetworkManager::StartUpdating() {
if (network_list_received_) {
// Post a task to avoid reentrancy.
base::MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&IpcNetworkManager::SendNetworksChangedSignal,
weak_factory_.GetWeakPtr()));
}
++start_count_;
}
void IpcNetworkManager::StopUpdating() {
DCHECK_GT(start_count_, 0);
--start_count_;
}
void IpcNetworkManager::OnNetworkListChanged(
const net::NetworkInterfaceList& list) {
// Update flag if network list received for the first time.
if (!network_list_received_)
network_list_received_ = true;
std::vector<talk_base::Network*> networks;
for (net::NetworkInterfaceList::const_iterator it = list.begin();
it != list.end(); it++) {
uint32 address;
if (it->address.size() != net::kIPv4AddressSize)
continue;
memcpy(&address, &it->address[0], sizeof(uint32));
address = talk_base::NetworkToHost32(address);
talk_base::Network* network = new talk_base::Network(
it->name, it->name, talk_base::IPAddress(address), 32);
network->AddIP(talk_base::IPAddress(address));
networks.push_back(network);
}
bool changed = false;
MergeNetworkList(networks, &changed);
if (changed)
SignalNetworksChanged();
}
void IpcNetworkManager::SendNetworksChangedSignal() {
SignalNetworksChanged();
}
} // namespace content
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