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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 "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/private/network_list_private.h"
#include "ppapi/cpp/private/net_address_private.h"
namespace remoting {
PepperNetworkManager::PepperNetworkManager(const pp::InstanceHandle& instance)
: monitor_(instance, &PepperNetworkManager::OnNetworkListCallbackHandler,
this),
start_count_(0),
network_list_received_(false),
ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
}
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_;
}
// static
void PepperNetworkManager::OnNetworkListCallbackHandler(
void* user_data,
PP_Resource list_resource) {
PepperNetworkManager* object = static_cast<PepperNetworkManager*>(user_data);
pp::NetworkListPrivate list(pp::PASS_REF, list_resource);
object->OnNetworkList(list);
}
void PepperNetworkManager::OnNetworkList(const pp::NetworkListPrivate& list) {
network_list_received_ = true;
std::vector<talk_base::Network*> networks;
size_t count = list.GetCount();
for (size_t i = 0; i < count; i++) {
std::vector<PP_NetAddress_Private> addresses;
list.GetIpAddresses(i, &addresses);
if (addresses.size() == 0)
continue;
char address_bytes[sizeof(in6_addr)];
if (!pp::NetAddressPrivate::GetAddress(
addresses[0], &address_bytes, sizeof(address_bytes))) {
LOG(ERROR) << "Failed to get address for network interface.";
continue;
}
int prefix_length;
// TODO(sergeyu): Copy all addresses, not only the first one.
talk_base::IPAddress address;
switch (pp::NetAddressPrivate::GetFamily(addresses[0])) {
case PP_NETADDRESSFAMILY_IPV4: {
in_addr* address_ipv4 = reinterpret_cast<in_addr*>(address_bytes);
address = talk_base::IPAddress(*address_ipv4);
prefix_length = sizeof(in_addr) * 8;
break;
}
case PP_NETADDRESSFAMILY_IPV6: {
in6_addr* address_ipv6 = reinterpret_cast<in6_addr*>(address_bytes);
address = talk_base::IPAddress(*address_ipv6);
prefix_length = sizeof(in6_addr) * 8;
break;
}
default:
LOG(WARNING) << "Skipping address with unknown family: "
<< pp::NetAddressPrivate::GetFamily(addresses[0]);
continue;
}
talk_base::Network* network = new talk_base::Network(
list.GetName(i), list.GetDisplayName(i), address, prefix_length);
network->AddIP(address);
networks.push_back(network);
}
bool changed = false;
MergeNetworkList(networks, &changed);
if (changed)
SignalNetworksChanged();
}
void PepperNetworkManager::SendNetworksChangedSignal() {
SignalNetworksChanged();
}
} // namespace remoting
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