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/*
* Copyright 2009 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_FAKENETWORK_H_
#define RTC_BASE_FAKENETWORK_H_
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "rtc_base/messagehandler.h"
#include "rtc_base/network.h"
#include "rtc_base/socketaddress.h"
#include "rtc_base/stringencode.h"
#include "rtc_base/thread.h"
namespace rtc {
const int kFakeIPv4NetworkPrefixLength = 24;
const int kFakeIPv6NetworkPrefixLength = 64;
// Fake network manager that allows us to manually specify the IPs to use.
class FakeNetworkManager : public NetworkManagerBase,
public MessageHandler {
public:
FakeNetworkManager() {}
typedef std::vector<std::pair<SocketAddress, AdapterType>> IfaceList;
void AddInterface(const SocketAddress& iface) {
// Ensure a unique name for the interface if its name is not given.
AddInterface(iface, "test" + rtc::ToString(next_index_++));
}
void AddInterface(const SocketAddress& iface, const std::string& if_name) {
AddInterface(iface, if_name, ADAPTER_TYPE_UNKNOWN);
}
void AddInterface(const SocketAddress& iface,
const std::string& if_name,
AdapterType type) {
SocketAddress address(if_name, 0);
address.SetResolvedIP(iface.ipaddr());
ifaces_.push_back(std::make_pair(address, type));
DoUpdateNetworks();
}
void RemoveInterface(const SocketAddress& iface) {
for (IfaceList::iterator it = ifaces_.begin();
it != ifaces_.end(); ++it) {
if (it->first.EqualIPs(iface)) {
ifaces_.erase(it);
break;
}
}
DoUpdateNetworks();
}
virtual void StartUpdating() {
++start_count_;
if (start_count_ == 1) {
sent_first_update_ = false;
rtc::Thread::Current()->Post(RTC_FROM_HERE, this);
} else {
if (sent_first_update_) {
SignalNetworksChanged();
}
}
}
virtual void StopUpdating() { --start_count_; }
// MessageHandler interface.
virtual void OnMessage(Message* msg) {
DoUpdateNetworks();
}
using NetworkManagerBase::set_enumeration_permission;
using NetworkManagerBase::set_default_local_addresses;
private:
void DoUpdateNetworks() {
if (start_count_ == 0)
return;
std::vector<Network*> networks;
for (IfaceList::iterator it = ifaces_.begin();
it != ifaces_.end(); ++it) {
int prefix_length = 0;
if (it->first.ipaddr().family() == AF_INET) {
prefix_length = kFakeIPv4NetworkPrefixLength;
} else if (it->first.ipaddr().family() == AF_INET6) {
prefix_length = kFakeIPv6NetworkPrefixLength;
}
IPAddress prefix = TruncateIP(it->first.ipaddr(), prefix_length);
std::unique_ptr<Network> net(new Network(it->first.hostname(),
it->first.hostname(), prefix,
prefix_length, it->second));
net->set_default_local_address_provider(this);
net->AddIP(it->first.ipaddr());
networks.push_back(net.release());
}
bool changed;
MergeNetworkList(networks, &changed);
if (changed || !sent_first_update_) {
SignalNetworksChanged();
sent_first_update_ = true;
}
}
IfaceList ifaces_;
int next_index_ = 0;
int start_count_ = 0;
bool sent_first_update_ = false;
IPAddress default_local_ipv4_address_;
IPAddress default_local_ipv6_address_;
};
} // namespace rtc
#endif // RTC_BASE_FAKENETWORK_H_
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