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rhubarb-lip-sync/lib/webrtc-8d2248ff/webrtc/base/network_unittest.cc

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/*
* Copyright 2004 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.
*/
#include "webrtc/base/network.h"
#include "webrtc/base/nethelpers.h"
#include "webrtc/base/networkmonitor.h"
#include <memory>
#include <vector>
#if defined(WEBRTC_POSIX)
#include <sys/types.h>
#include <net/if.h>
#include "webrtc/base/ifaddrs_converter.h"
#endif // defined(WEBRTC_POSIX)
#include "webrtc/base/gunit.h"
#if defined(WEBRTC_WIN)
#include "webrtc/base/logging.h" // For LOG_GLE
#endif
namespace rtc {
namespace {
class FakeNetworkMonitor : public NetworkMonitorBase {
public:
void Start() override { started_ = true; }
void Stop() override { started_ = false; }
bool started() { return started_; }
AdapterType GetAdapterType(const std::string& if_name) override {
// Note that the name matching rules are different from the
// GetAdapterTypeFromName in NetworkManager.
if (if_name.find("wifi") == 0) {
return ADAPTER_TYPE_WIFI;
}
if (if_name.find("cellular") == 0) {
return ADAPTER_TYPE_CELLULAR;
}
return ADAPTER_TYPE_UNKNOWN;
}
private:
bool started_ = false;
};
class FakeNetworkMonitorFactory : public NetworkMonitorFactory {
public:
FakeNetworkMonitorFactory() {}
NetworkMonitorInterface* CreateNetworkMonitor() override {
return new FakeNetworkMonitor();
}
};
} // namespace
class NetworkTest : public testing::Test, public sigslot::has_slots<> {
public:
NetworkTest() : callback_called_(false) {}
void OnNetworksChanged() {
callback_called_ = true;
}
void listenToNetworkInactive(BasicNetworkManager& network_manager) {
BasicNetworkManager::NetworkList networks;
network_manager.GetNetworks(&networks);
for (Network* network : networks) {
network->SignalInactive.connect(this, &NetworkTest::OnNetworkInactive);
}
}
void OnNetworkInactive(const Network* network) { num_networks_inactive_++; }
NetworkManager::Stats MergeNetworkList(
BasicNetworkManager& network_manager,
const NetworkManager::NetworkList& list,
bool* changed) {
NetworkManager::Stats stats;
network_manager.MergeNetworkList(list, changed, &stats);
return stats;
}
bool IsIgnoredNetwork(BasicNetworkManager& network_manager,
const Network& network) {
return network_manager.IsIgnoredNetwork(network);
}
NetworkManager::NetworkList GetNetworks(
const BasicNetworkManager& network_manager, bool include_ignored) {
NetworkManager::NetworkList list;
network_manager.CreateNetworks(include_ignored, &list);
return list;
}
FakeNetworkMonitor* GetNetworkMonitor(BasicNetworkManager& network_manager) {
return static_cast<FakeNetworkMonitor*>(
network_manager.network_monitor_.get());
}
void ClearNetworks(BasicNetworkManager& network_manager) {
for (const auto& kv : network_manager.networks_map_) {
delete kv.second;
}
network_manager.networks_.clear();
network_manager.networks_map_.clear();
}
AdapterType GetAdapterType(BasicNetworkManager& network_manager) {
BasicNetworkManager::NetworkList list;
network_manager.GetNetworks(&list);
ASSERT(list.size() == 1u);
return list[0]->type();
}
#if defined(WEBRTC_POSIX)
// Separated from CreateNetworks for tests.
static void CallConvertIfAddrs(const BasicNetworkManager& network_manager,
struct ifaddrs* interfaces,
bool include_ignored,
NetworkManager::NetworkList* networks) {
// Use the base IfAddrsConverter for test cases.
std::unique_ptr<IfAddrsConverter> ifaddrs_converter(new IfAddrsConverter());
network_manager.ConvertIfAddrs(interfaces, ifaddrs_converter.get(),
include_ignored, networks);
}
struct sockaddr_in6* CreateIpv6Addr(const std::string& ip_string,
uint32_t scope_id) {
struct sockaddr_in6* ipv6_addr = new struct sockaddr_in6;
memset(ipv6_addr, 0, sizeof(struct sockaddr_in6));
ipv6_addr->sin6_family = AF_INET6;
ipv6_addr->sin6_scope_id = scope_id;
IPAddress ip;
IPFromString(ip_string, &ip);
ipv6_addr->sin6_addr = ip.ipv6_address();
return ipv6_addr;
}
// Pointers created here need to be released via ReleaseIfAddrs.
struct ifaddrs* AddIpv6Address(struct ifaddrs* list,
char* if_name,
const std::string& ipv6_address,
const std::string& ipv6_netmask,
uint32_t scope_id) {
struct ifaddrs* if_addr = new struct ifaddrs;
memset(if_addr, 0, sizeof(struct ifaddrs));
if_addr->ifa_name = if_name;
if_addr->ifa_addr = reinterpret_cast<struct sockaddr*>(
CreateIpv6Addr(ipv6_address, scope_id));
if_addr->ifa_netmask =
reinterpret_cast<struct sockaddr*>(CreateIpv6Addr(ipv6_netmask, 0));
if_addr->ifa_next = list;
if_addr->ifa_flags = IFF_RUNNING;
return if_addr;
}
struct ifaddrs* InstallIpv6Network(char* if_name,
const std::string& ipv6_address,
const std::string& ipv6_mask,
BasicNetworkManager& network_manager) {
ifaddrs* addr_list = nullptr;
addr_list = AddIpv6Address(addr_list, if_name, ipv6_address, ipv6_mask, 0);
NetworkManager::NetworkList result;
bool changed;
NetworkManager::Stats stats;
CallConvertIfAddrs(network_manager, addr_list, true, &result);
network_manager.MergeNetworkList(result, &changed, &stats);
return addr_list;
}
void ReleaseIfAddrs(struct ifaddrs* list) {
struct ifaddrs* if_addr = list;
while (if_addr != nullptr) {
struct ifaddrs* next_addr = if_addr->ifa_next;
delete if_addr->ifa_addr;
delete if_addr->ifa_netmask;
delete if_addr;
if_addr = next_addr;
}
}
#endif // defined(WEBRTC_POSIX)
protected:
bool callback_called_;
// Number of networks that become inactive.
int num_networks_inactive_ = 0;
};
class TestBasicNetworkManager : public BasicNetworkManager {
public:
using BasicNetworkManager::QueryDefaultLocalAddress;
using BasicNetworkManager::set_default_local_addresses;
};
// Test that the Network ctor works properly.
TEST_F(NetworkTest, TestNetworkConstruct) {
Network ipv4_network1("test_eth0", "Test Network Adapter 1",
IPAddress(0x12345600U), 24);
EXPECT_EQ("test_eth0", ipv4_network1.name());
EXPECT_EQ("Test Network Adapter 1", ipv4_network1.description());
EXPECT_EQ(IPAddress(0x12345600U), ipv4_network1.prefix());
EXPECT_EQ(24, ipv4_network1.prefix_length());
EXPECT_FALSE(ipv4_network1.ignored());
}
TEST_F(NetworkTest, TestIsIgnoredNetworkIgnoresIPsStartingWith0) {
Network ipv4_network1("test_eth0", "Test Network Adapter 1",
IPAddress(0x12345600U), 24, ADAPTER_TYPE_ETHERNET);
Network ipv4_network2("test_eth1", "Test Network Adapter 2",
IPAddress(0x010000U), 24, ADAPTER_TYPE_ETHERNET);
BasicNetworkManager network_manager;
EXPECT_FALSE(IsIgnoredNetwork(network_manager, ipv4_network1));
EXPECT_TRUE(IsIgnoredNetwork(network_manager, ipv4_network2));
}
// TODO(phoglund): Remove when ignore list goes away.
TEST_F(NetworkTest, TestIgnoreList) {
Network ignore_me("ignore_me", "Ignore me please!",
IPAddress(0x12345600U), 24);
Network include_me("include_me", "Include me please!",
IPAddress(0x12345600U), 24);
BasicNetworkManager network_manager;
EXPECT_FALSE(IsIgnoredNetwork(network_manager, ignore_me));
EXPECT_FALSE(IsIgnoredNetwork(network_manager, include_me));
std::vector<std::string> ignore_list;
ignore_list.push_back("ignore_me");
network_manager.set_network_ignore_list(ignore_list);
EXPECT_TRUE(IsIgnoredNetwork(network_manager, ignore_me));
EXPECT_FALSE(IsIgnoredNetwork(network_manager, include_me));
}
// Test is failing on Windows opt: b/11288214
TEST_F(NetworkTest, DISABLED_TestCreateNetworks) {
BasicNetworkManager manager;
NetworkManager::NetworkList result = GetNetworks(manager, true);
// We should be able to bind to any addresses we find.
NetworkManager::NetworkList::iterator it;
for (it = result.begin();
it != result.end();
++it) {
sockaddr_storage storage;
memset(&storage, 0, sizeof(storage));
IPAddress ip = (*it)->GetBestIP();
SocketAddress bindaddress(ip, 0);
bindaddress.SetScopeID((*it)->scope_id());
// TODO(thaloun): Use rtc::AsyncSocket once it supports IPv6.
int fd = static_cast<int>(socket(ip.family(), SOCK_STREAM, IPPROTO_TCP));
if (fd > 0) {
size_t ipsize = bindaddress.ToSockAddrStorage(&storage);
EXPECT_GE(ipsize, 0U);
int success = ::bind(fd,
reinterpret_cast<sockaddr*>(&storage),
static_cast<int>(ipsize));
#if defined(WEBRTC_WIN)
if (success) LOG_GLE(LS_ERROR) << "Socket bind failed.";
#endif
EXPECT_EQ(0, success);
#if defined(WEBRTC_WIN)
closesocket(fd);
#else
close(fd);
#endif
}
delete (*it);
}
}
// Test StartUpdating() and StopUpdating(). network_permission_state starts with
// ALLOWED.
TEST_F(NetworkTest, TestUpdateNetworks) {
BasicNetworkManager manager;
manager.SignalNetworksChanged.connect(
static_cast<NetworkTest*>(this), &NetworkTest::OnNetworksChanged);
EXPECT_EQ(NetworkManager::ENUMERATION_ALLOWED,
manager.enumeration_permission());
manager.StartUpdating();
Thread::Current()->ProcessMessages(0);
EXPECT_TRUE(callback_called_);
callback_called_ = false;
// Callback should be triggered immediately when StartUpdating
// is called, after network update signal is already sent.
manager.StartUpdating();
EXPECT_TRUE(manager.started());
Thread::Current()->ProcessMessages(0);
EXPECT_TRUE(callback_called_);
manager.StopUpdating();
EXPECT_TRUE(manager.started());
manager.StopUpdating();
EXPECT_EQ(NetworkManager::ENUMERATION_ALLOWED,
manager.enumeration_permission());
EXPECT_FALSE(manager.started());
manager.StopUpdating();
EXPECT_FALSE(manager.started());
callback_called_ = false;
// Callback should be triggered immediately after StartUpdating is called
// when start_count_ is reset to 0.
manager.StartUpdating();
Thread::Current()->ProcessMessages(0);
EXPECT_TRUE(callback_called_);
}
// Verify that MergeNetworkList() merges network lists properly.
TEST_F(NetworkTest, TestBasicMergeNetworkList) {
Network ipv4_network1("test_eth0", "Test Network Adapter 1",
IPAddress(0x12345600U), 24);
Network ipv4_network2("test_eth1", "Test Network Adapter 2",
IPAddress(0x00010000U), 16);
ipv4_network1.AddIP(IPAddress(0x12345678));
ipv4_network2.AddIP(IPAddress(0x00010004));
BasicNetworkManager manager;
// Add ipv4_network1 to the list of networks.
NetworkManager::NetworkList list;
list.push_back(new Network(ipv4_network1));
bool changed;
NetworkManager::Stats stats = MergeNetworkList(manager, list, &changed);
EXPECT_TRUE(changed);
EXPECT_EQ(stats.ipv6_network_count, 0);
EXPECT_EQ(stats.ipv4_network_count, 1);
listenToNetworkInactive(manager);
list.clear();
manager.GetNetworks(&list);
EXPECT_EQ(1U, list.size());
EXPECT_EQ(ipv4_network1.ToString(), list[0]->ToString());
Network* net1 = list[0];
uint16_t net_id1 = net1->id();
EXPECT_EQ(1, net_id1);
list.clear();
// Replace ipv4_network1 with ipv4_network2.
list.push_back(new Network(ipv4_network2));
stats = MergeNetworkList(manager, list, &changed);
EXPECT_TRUE(changed);
EXPECT_EQ(stats.ipv6_network_count, 0);
EXPECT_EQ(stats.ipv4_network_count, 1);
EXPECT_EQ(1, num_networks_inactive_);
list.clear();
num_networks_inactive_ = 0;
manager.GetNetworks(&list);
EXPECT_EQ(1U, list.size());
EXPECT_EQ(ipv4_network2.ToString(), list[0]->ToString());
Network* net2 = list[0];
uint16_t net_id2 = net2->id();
// Network id will increase.
EXPECT_LT(net_id1, net_id2);
list.clear();
// Add Network2 back.
list.push_back(new Network(ipv4_network1));
list.push_back(new Network(ipv4_network2));
stats = MergeNetworkList(manager, list, &changed);
EXPECT_TRUE(changed);
EXPECT_EQ(stats.ipv6_network_count, 0);
EXPECT_EQ(stats.ipv4_network_count, 2);
EXPECT_EQ(0, num_networks_inactive_);
list.clear();
// Verify that we get previous instances of Network objects.
manager.GetNetworks(&list);
EXPECT_EQ(2U, list.size());
EXPECT_TRUE((net1 == list[0] && net2 == list[1]) ||
(net1 == list[1] && net2 == list[0]));
EXPECT_TRUE((net_id1 == list[0]->id() && net_id2 == list[1]->id()) ||
(net_id1 == list[1]->id() && net_id2 == list[0]->id()));
list.clear();
// Call MergeNetworkList() again and verify that we don't get update
// notification.
list.push_back(new Network(ipv4_network2));
list.push_back(new Network(ipv4_network1));
stats = MergeNetworkList(manager, list, &changed);
EXPECT_FALSE(changed);
EXPECT_EQ(stats.ipv6_network_count, 0);
EXPECT_EQ(stats.ipv4_network_count, 2);
EXPECT_EQ(0, num_networks_inactive_);
list.clear();
// Verify that we get previous instances of Network objects.
manager.GetNetworks(&list);
EXPECT_EQ(2U, list.size());
EXPECT_TRUE((net1 == list[0] && net2 == list[1]) ||
(net1 == list[1] && net2 == list[0]));
EXPECT_TRUE((net_id1 == list[0]->id() && net_id2 == list[1]->id()) ||
(net_id1 == list[1]->id() && net_id2 == list[0]->id()));
list.clear();
}
// Sets up some test IPv6 networks and appends them to list.
// Four networks are added - public and link local, for two interfaces.
void SetupNetworks(NetworkManager::NetworkList* list) {
IPAddress ip;
IPAddress prefix;
EXPECT_TRUE(IPFromString("abcd::1234:5678:abcd:ef12", &ip));
EXPECT_TRUE(IPFromString("abcd::", &prefix));
// First, fake link-locals.
Network ipv6_eth0_linklocalnetwork("test_eth0", "Test NetworkAdapter 1",
prefix, 64);
ipv6_eth0_linklocalnetwork.AddIP(ip);
EXPECT_TRUE(IPFromString("abcd::5678:abcd:ef12:3456", &ip));
Network ipv6_eth1_linklocalnetwork("test_eth1", "Test NetworkAdapter 2",
prefix, 64);
ipv6_eth1_linklocalnetwork.AddIP(ip);
// Public networks:
EXPECT_TRUE(IPFromString("2401:fa00:4:1000:be30:5bff:fee5:c3", &ip));
prefix = TruncateIP(ip, 64);
Network ipv6_eth0_publicnetwork1_ip1("test_eth0", "Test NetworkAdapter 1",
prefix, 64);
ipv6_eth0_publicnetwork1_ip1.AddIP(ip);
EXPECT_TRUE(IPFromString("2400:4030:1:2c00:be30:abcd:efab:cdef", &ip));
prefix = TruncateIP(ip, 64);
Network ipv6_eth1_publicnetwork1_ip1("test_eth1", "Test NetworkAdapter 1",
prefix, 64);
ipv6_eth1_publicnetwork1_ip1.AddIP(ip);
list->push_back(new Network(ipv6_eth0_linklocalnetwork));
list->push_back(new Network(ipv6_eth1_linklocalnetwork));
list->push_back(new Network(ipv6_eth0_publicnetwork1_ip1));
list->push_back(new Network(ipv6_eth1_publicnetwork1_ip1));
}
// Test that the basic network merging case works.
TEST_F(NetworkTest, TestIPv6MergeNetworkList) {
BasicNetworkManager manager;
manager.SignalNetworksChanged.connect(
static_cast<NetworkTest*>(this), &NetworkTest::OnNetworksChanged);
NetworkManager::NetworkList original_list;
SetupNetworks(&original_list);
bool changed = false;
NetworkManager::Stats stats =
MergeNetworkList(manager, original_list, &changed);
EXPECT_TRUE(changed);
EXPECT_EQ(stats.ipv6_network_count, 4);
EXPECT_EQ(stats.ipv4_network_count, 0);
NetworkManager::NetworkList list;
manager.GetNetworks(&list);
EXPECT_EQ(original_list.size(), list.size());
// Verify that the original members are in the merged list.
for (NetworkManager::NetworkList::iterator it = original_list.begin();
it != original_list.end(); ++it) {
EXPECT_NE(list.end(), std::find(list.begin(), list.end(), *it));
}
}
// Test that no more than manager.max_ipv6_networks() IPv6 networks get
// returned.
TEST_F(NetworkTest, TestIPv6MergeNetworkListTrimExcessive) {
BasicNetworkManager manager;
manager.SignalNetworksChanged.connect(static_cast<NetworkTest*>(this),
&NetworkTest::OnNetworksChanged);
NetworkManager::NetworkList original_list;
// Add twice the allowed number of IPv6 networks.
for (int i = 0; i < 2 * manager.max_ipv6_networks(); i++) {
// Make a network with different prefix length.
IPAddress ip;
EXPECT_TRUE(IPFromString("2401:fa01:4:1000:be30:faa:fee:faa", &ip));
IPAddress prefix = TruncateIP(ip, 64 - i);
Network* ipv6_network =
new Network("test_eth0", "Test Network Adapter 1", prefix, 64 - i);
ipv6_network->AddIP(ip);
original_list.push_back(ipv6_network);
}
// Add one IPv4 network.
Network* ipv4_network = new Network("test_eth0", "Test Network Adapter 1",
IPAddress(0x12345600U), 24);
ipv4_network->AddIP(IPAddress(0x12345600U));
original_list.push_back(ipv4_network);
bool changed = false;
MergeNetworkList(manager, original_list, &changed);
EXPECT_TRUE(changed);
NetworkManager::NetworkList list;
manager.GetNetworks(&list);
// List size should be the max allowed IPv6 networks plus one IPv4 network.
EXPECT_EQ(manager.max_ipv6_networks() + 1, (int)list.size());
// Verify that the IPv4 network is in the list.
EXPECT_NE(list.end(), std::find(list.begin(), list.end(), ipv4_network));
}
// Tests that when two network lists that describe the same set of networks are
// merged, that the changed callback is not called, and that the original
// objects remain in the result list.
TEST_F(NetworkTest, TestNoChangeMerge) {
BasicNetworkManager manager;
manager.SignalNetworksChanged.connect(
static_cast<NetworkTest*>(this), &NetworkTest::OnNetworksChanged);
NetworkManager::NetworkList original_list;
SetupNetworks(&original_list);
bool changed = false;
MergeNetworkList(manager, original_list, &changed);
EXPECT_TRUE(changed);
// Second list that describes the same networks but with new objects.
NetworkManager::NetworkList second_list;
SetupNetworks(&second_list);
changed = false;
MergeNetworkList(manager, second_list, &changed);
EXPECT_FALSE(changed);
NetworkManager::NetworkList resulting_list;
manager.GetNetworks(&resulting_list);
EXPECT_EQ(original_list.size(), resulting_list.size());
// Verify that the original members are in the merged list.
for (NetworkManager::NetworkList::iterator it = original_list.begin();
it != original_list.end(); ++it) {
EXPECT_NE(resulting_list.end(),
std::find(resulting_list.begin(), resulting_list.end(), *it));
}
// Doublecheck that the new networks aren't in the list.
for (NetworkManager::NetworkList::iterator it = second_list.begin();
it != second_list.end(); ++it) {
EXPECT_EQ(resulting_list.end(),
std::find(resulting_list.begin(), resulting_list.end(), *it));
}
}
// Test that we can merge a network that is the same as another network but with
// a different IP. The original network should remain in the list, but have its
// IP changed.
TEST_F(NetworkTest, MergeWithChangedIP) {
BasicNetworkManager manager;
manager.SignalNetworksChanged.connect(
static_cast<NetworkTest*>(this), &NetworkTest::OnNetworksChanged);
NetworkManager::NetworkList original_list;
SetupNetworks(&original_list);
// Make a network that we're going to change.
IPAddress ip;
EXPECT_TRUE(IPFromString("2401:fa01:4:1000:be30:faa:fee:faa", &ip));
IPAddress prefix = TruncateIP(ip, 64);
Network* network_to_change = new Network("test_eth0",
"Test Network Adapter 1",
prefix, 64);
Network* changed_network = new Network(*network_to_change);
network_to_change->AddIP(ip);
IPAddress changed_ip;
EXPECT_TRUE(IPFromString("2401:fa01:4:1000:be30:f00:f00:f00", &changed_ip));
changed_network->AddIP(changed_ip);
original_list.push_back(network_to_change);
bool changed = false;
MergeNetworkList(manager, original_list, &changed);
NetworkManager::NetworkList second_list;
SetupNetworks(&second_list);
second_list.push_back(changed_network);
changed = false;
MergeNetworkList(manager, second_list, &changed);
EXPECT_TRUE(changed);
NetworkManager::NetworkList list;
manager.GetNetworks(&list);
EXPECT_EQ(original_list.size(), list.size());
// Make sure the original network is still in the merged list.
EXPECT_NE(list.end(),
std::find(list.begin(), list.end(), network_to_change));
EXPECT_EQ(changed_ip, network_to_change->GetIPs().at(0));
}
// Testing a similar case to above, but checking that a network can be updated
// with additional IPs (not just a replacement).
TEST_F(NetworkTest, TestMultipleIPMergeNetworkList) {
BasicNetworkManager manager;
manager.SignalNetworksChanged.connect(
static_cast<NetworkTest*>(this), &NetworkTest::OnNetworksChanged);
NetworkManager::NetworkList original_list;
SetupNetworks(&original_list);
bool changed = false;
MergeNetworkList(manager, original_list, &changed);
EXPECT_TRUE(changed);
IPAddress ip;
IPAddress check_ip;
IPAddress prefix;
// Add a second IP to the public network on eth0 (2401:fa00:4:1000/64).
EXPECT_TRUE(IPFromString("2401:fa00:4:1000:be30:5bff:fee5:c6", &ip));
prefix = TruncateIP(ip, 64);
Network ipv6_eth0_publicnetwork1_ip2("test_eth0", "Test NetworkAdapter 1",
prefix, 64);
// This is the IP that already existed in the public network on eth0.
EXPECT_TRUE(IPFromString("2401:fa00:4:1000:be30:5bff:fee5:c3", &check_ip));
ipv6_eth0_publicnetwork1_ip2.AddIP(ip);
original_list.push_back(new Network(ipv6_eth0_publicnetwork1_ip2));
changed = false;
MergeNetworkList(manager, original_list, &changed);
EXPECT_TRUE(changed);
// There should still be four networks.
NetworkManager::NetworkList list;
manager.GetNetworks(&list);
EXPECT_EQ(4U, list.size());
// Check the gathered IPs.
int matchcount = 0;
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
if ((*it)->ToString() == original_list[2]->ToString()) {
++matchcount;
EXPECT_EQ(1, matchcount);
// This should be the same network object as before.
EXPECT_EQ((*it), original_list[2]);
// But with two addresses now.
EXPECT_EQ(2U, (*it)->GetIPs().size());
EXPECT_NE((*it)->GetIPs().end(),
std::find((*it)->GetIPs().begin(),
(*it)->GetIPs().end(),
check_ip));
EXPECT_NE((*it)->GetIPs().end(),
std::find((*it)->GetIPs().begin(),
(*it)->GetIPs().end(),
ip));
} else {
// Check the IP didn't get added anywhere it wasn't supposed to.
EXPECT_EQ((*it)->GetIPs().end(),
std::find((*it)->GetIPs().begin(),
(*it)->GetIPs().end(),
ip));
}
}
}
// Test that merge correctly distinguishes multiple networks on an interface.
TEST_F(NetworkTest, TestMultiplePublicNetworksOnOneInterfaceMerge) {
BasicNetworkManager manager;
manager.SignalNetworksChanged.connect(
static_cast<NetworkTest*>(this), &NetworkTest::OnNetworksChanged);
NetworkManager::NetworkList original_list;
SetupNetworks(&original_list);
bool changed = false;
MergeNetworkList(manager, original_list, &changed);
EXPECT_TRUE(changed);
IPAddress ip;
IPAddress prefix;
// A second network for eth0.
EXPECT_TRUE(IPFromString("2400:4030:1:2c00:be30:5bff:fee5:c3", &ip));
prefix = TruncateIP(ip, 64);
Network ipv6_eth0_publicnetwork2_ip1("test_eth0", "Test NetworkAdapter 1",
prefix, 64);
ipv6_eth0_publicnetwork2_ip1.AddIP(ip);
original_list.push_back(new Network(ipv6_eth0_publicnetwork2_ip1));
changed = false;
MergeNetworkList(manager, original_list, &changed);
EXPECT_TRUE(changed);
// There should be five networks now.
NetworkManager::NetworkList list;
manager.GetNetworks(&list);
EXPECT_EQ(5U, list.size());
// Check the resulting addresses.
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
if ((*it)->prefix() == ipv6_eth0_publicnetwork2_ip1.prefix() &&
(*it)->name() == ipv6_eth0_publicnetwork2_ip1.name()) {
// Check the new network has 1 IP and that it's the correct one.
EXPECT_EQ(1U, (*it)->GetIPs().size());
EXPECT_EQ(ip, (*it)->GetIPs().at(0));
} else {
// Check the IP didn't get added anywhere it wasn't supposed to.
EXPECT_EQ((*it)->GetIPs().end(),
std::find((*it)->GetIPs().begin(),
(*it)->GetIPs().end(),
ip));
}
}
}
// Test that DumpNetworks does not crash.
TEST_F(NetworkTest, TestCreateAndDumpNetworks) {
BasicNetworkManager manager;
NetworkManager::NetworkList list = GetNetworks(manager, true);
bool changed;
MergeNetworkList(manager, list, &changed);
manager.DumpNetworks();
}
// Test that we can toggle IPv6 on and off.
// Crashes on Linux. See webrtc:4923.
#if defined(WEBRTC_LINUX)
#define MAYBE_TestIPv6Toggle DISABLED_TestIPv6Toggle
#else
#define MAYBE_TestIPv6Toggle TestIPv6Toggle
#endif
TEST_F(NetworkTest, MAYBE_TestIPv6Toggle) {
BasicNetworkManager manager;
bool ipv6_found = false;
NetworkManager::NetworkList list;
#if !defined(WEBRTC_WIN)
// There should be at least one IPv6 network (fe80::/64 should be in there).
// TODO(thaloun): Disabling this test on windows for the moment as the test
// machines don't seem to have IPv6 installed on them at all.
manager.set_ipv6_enabled(true);
list = GetNetworks(manager, true);
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
if ((*it)->prefix().family() == AF_INET6) {
ipv6_found = true;
break;
}
}
EXPECT_TRUE(ipv6_found);
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
delete (*it);
}
#endif
ipv6_found = false;
manager.set_ipv6_enabled(false);
list = GetNetworks(manager, true);
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
if ((*it)->prefix().family() == AF_INET6) {
ipv6_found = true;
break;
}
}
EXPECT_FALSE(ipv6_found);
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
delete (*it);
}
}
TEST_F(NetworkTest, TestNetworkListSorting) {
BasicNetworkManager manager;
Network ipv4_network1("test_eth0", "Test Network Adapter 1",
IPAddress(0x12345600U), 24);
ipv4_network1.AddIP(IPAddress(0x12345600U));
IPAddress ip;
IPAddress prefix;
EXPECT_TRUE(IPFromString("2400:4030:1:2c00:be30:abcd:efab:cdef", &ip));
prefix = TruncateIP(ip, 64);
Network ipv6_eth1_publicnetwork1_ip1("test_eth1", "Test NetworkAdapter 2",
prefix, 64);
ipv6_eth1_publicnetwork1_ip1.AddIP(ip);
NetworkManager::NetworkList list;
list.push_back(new Network(ipv4_network1));
list.push_back(new Network(ipv6_eth1_publicnetwork1_ip1));
Network* net1 = list[0];
Network* net2 = list[1];
bool changed = false;
MergeNetworkList(manager, list, &changed);
ASSERT_TRUE(changed);
// After sorting IPv6 network should be higher order than IPv4 networks.
EXPECT_TRUE(net1->preference() < net2->preference());
}
TEST_F(NetworkTest, TestNetworkAdapterTypes) {
Network wifi("wlan0", "Wireless Adapter", IPAddress(0x12345600U), 24,
ADAPTER_TYPE_WIFI);
EXPECT_EQ(ADAPTER_TYPE_WIFI, wifi.type());
Network ethernet("eth0", "Ethernet", IPAddress(0x12345600U), 24,
ADAPTER_TYPE_ETHERNET);
EXPECT_EQ(ADAPTER_TYPE_ETHERNET, ethernet.type());
Network cellular("test_cell", "Cellular Adapter", IPAddress(0x12345600U), 24,
ADAPTER_TYPE_CELLULAR);
EXPECT_EQ(ADAPTER_TYPE_CELLULAR, cellular.type());
Network vpn("bridge_test", "VPN Adapter", IPAddress(0x12345600U), 24,
ADAPTER_TYPE_VPN);
EXPECT_EQ(ADAPTER_TYPE_VPN, vpn.type());
Network unknown("test", "Test Adapter", IPAddress(0x12345600U), 24,
ADAPTER_TYPE_UNKNOWN);
EXPECT_EQ(ADAPTER_TYPE_UNKNOWN, unknown.type());
}
#if defined(WEBRTC_POSIX)
// Verify that we correctly handle interfaces with no address.
TEST_F(NetworkTest, TestConvertIfAddrsNoAddress) {
ifaddrs list;
memset(&list, 0, sizeof(list));
list.ifa_name = const_cast<char*>("test_iface");
NetworkManager::NetworkList result;
BasicNetworkManager manager;
CallConvertIfAddrs(manager, &list, true, &result);
EXPECT_TRUE(result.empty());
}
// Verify that if there are two addresses on one interface, only one network
// is generated.
TEST_F(NetworkTest, TestConvertIfAddrsMultiAddressesOnOneInterface) {
char if_name[20] = "rmnet0";
ifaddrs* list = nullptr;
list = AddIpv6Address(list, if_name, "1000:2000:3000:4000:0:0:0:1",
"FFFF:FFFF:FFFF:FFFF::", 0);
list = AddIpv6Address(list, if_name, "1000:2000:3000:4000:0:0:0:2",
"FFFF:FFFF:FFFF:FFFF::", 0);
NetworkManager::NetworkList result;
BasicNetworkManager manager;
CallConvertIfAddrs(manager, list, true, &result);
EXPECT_EQ(1U, result.size());
bool changed;
// This ensures we release the objects created in CallConvertIfAddrs.
MergeNetworkList(manager, result, &changed);
ReleaseIfAddrs(list);
}
TEST_F(NetworkTest, TestConvertIfAddrsNotRunning) {
ifaddrs list;
memset(&list, 0, sizeof(list));
list.ifa_name = const_cast<char*>("test_iface");
sockaddr ifa_addr;
sockaddr ifa_netmask;
list.ifa_addr = &ifa_addr;
list.ifa_netmask = &ifa_netmask;
NetworkManager::NetworkList result;
BasicNetworkManager manager;
CallConvertIfAddrs(manager, &list, true, &result);
EXPECT_TRUE(result.empty());
}
// Tests that the network type can be updated after the network monitor is
// started.
TEST_F(NetworkTest, TestGetAdapterTypeFromNetworkMonitor) {
char if_name1[20] = "wifi0";
std::string ipv6_address1 = "1000:2000:3000:4000:0:0:0:1";
std::string ipv6_address2 = "1000:2000:3000:8000:0:0:0:1";
std::string ipv6_mask = "FFFF:FFFF:FFFF:FFFF::";
BasicNetworkManager manager;
// A network created before the network monitor is started will get
// UNKNOWN type.
ifaddrs* addr_list =
InstallIpv6Network(if_name1, ipv6_address1, ipv6_mask, manager);
EXPECT_EQ(ADAPTER_TYPE_UNKNOWN, GetAdapterType(manager));
ReleaseIfAddrs(addr_list);
// Note: Do not call ClearNetworks here in order to test that the type
// of an existing network can be changed after the network monitor starts
// and detects the network type correctly.
// After the network monitor starts, the type will be updated.
FakeNetworkMonitorFactory* factory = new FakeNetworkMonitorFactory();
NetworkMonitorFactory::SetFactory(factory);
// This brings up the hook with the network monitor.
manager.StartUpdating();
// Add the same ipv6 address as before but it has the right network type
// detected by the network monitor now.
addr_list = InstallIpv6Network(if_name1, ipv6_address1, ipv6_mask, manager);
EXPECT_EQ(ADAPTER_TYPE_WIFI, GetAdapterType(manager));
ReleaseIfAddrs(addr_list);
ClearNetworks(manager);
// Add another network with the type inferred from the network monitor.
char if_name2[20] = "cellular0";
addr_list = InstallIpv6Network(if_name2, ipv6_address2, ipv6_mask, manager);
EXPECT_EQ(ADAPTER_TYPE_CELLULAR, GetAdapterType(manager));
ReleaseIfAddrs(addr_list);
ClearNetworks(manager);
}
// Test that the network type can be determined based on name matching in
// a few cases. Note that UNKNOWN type for non-matching strings has been tested
// in the above test.
TEST_F(NetworkTest, TestGetAdapterTypeFromNameMatching) {
std::string ipv6_address1 = "1000:2000:3000:4000:0:0:0:1";
std::string ipv6_address2 = "1000:2000:3000:8000:0:0:0:1";
std::string ipv6_mask = "FFFF:FFFF:FFFF:FFFF::";
BasicNetworkManager manager;
#if defined(WEBRTC_IOS)
char if_name[20] = "pdp_ip0";
ifaddrs* addr_list =
InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
EXPECT_EQ(ADAPTER_TYPE_CELLULAR, GetAdapterType(manager));
ClearNetworks(manager);
ReleaseIfAddrs(addr_list);
strcpy(if_name, "en0");
addr_list = InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
EXPECT_EQ(ADAPTER_TYPE_WIFI, GetAdapterType(manager));
ClearNetworks(manager);
ReleaseIfAddrs(addr_list);
#elif defined(WEBRTC_ANDROID)
char if_name[20] = "rmnet0";
ifaddrs* addr_list =
InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
EXPECT_EQ(ADAPTER_TYPE_CELLULAR, GetAdapterType(manager));
ClearNetworks(manager);
ReleaseIfAddrs(addr_list);
strcpy(if_name, "wlan1");
addr_list = InstallIpv6Network(if_name, ipv6_address2, ipv6_mask, manager);
EXPECT_EQ(ADAPTER_TYPE_WIFI, GetAdapterType(manager));
ClearNetworks(manager);
ReleaseIfAddrs(addr_list);
strcpy(if_name, "v4-rmnet_data0");
addr_list = InstallIpv6Network(if_name, ipv6_address2, ipv6_mask, manager);
EXPECT_EQ(ADAPTER_TYPE_CELLULAR, GetAdapterType(manager));
ClearNetworks(manager);
ReleaseIfAddrs(addr_list);
#else
char if_name[20] = "wlan0";
ifaddrs* addr_list =
InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
EXPECT_EQ(ADAPTER_TYPE_UNKNOWN, GetAdapterType(manager));
ClearNetworks(manager);
ReleaseIfAddrs(addr_list);
#endif
}
#endif // defined(WEBRTC_POSIX)
#if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
// If you want to test non-default routes, you can do the following on a linux
// machine:
// 1) Load the dummy network driver:
// sudo modprobe dummy
// sudo ifconfig dummy0 127.0.0.1
// 2) Run this test and confirm the output says it found a dummy route (and
// passes).
// 3) When done:
// sudo rmmmod dummy
TEST_F(NetworkTest, TestIgnoreNonDefaultRoutes) {
BasicNetworkManager manager;
NetworkManager::NetworkList list;
list = GetNetworks(manager, false);
bool found_dummy = false;
LOG(LS_INFO) << "Looking for dummy network: ";
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
LOG(LS_INFO) << " Network name: " << (*it)->name();
found_dummy |= (*it)->name().find("dummy0") != std::string::npos;
}
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
delete (*it);
}
if (!found_dummy) {
LOG(LS_INFO) << "No dummy found, quitting.";
return;
}
LOG(LS_INFO) << "Found dummy, running again while ignoring non-default "
<< "routes.";
manager.set_ignore_non_default_routes(true);
list = GetNetworks(manager, false);
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
LOG(LS_INFO) << " Network name: " << (*it)->name();
EXPECT_TRUE((*it)->name().find("dummy0") == std::string::npos);
}
for (NetworkManager::NetworkList::iterator it = list.begin();
it != list.end(); ++it) {
delete (*it);
}
}
#endif
// Test MergeNetworkList successfully combines all IPs for the same
// prefix/length into a single Network.
TEST_F(NetworkTest, TestMergeNetworkList) {
BasicNetworkManager manager;
NetworkManager::NetworkList list;
// Create 2 IPAddress classes with only last digit different.
IPAddress ip1, ip2;
EXPECT_TRUE(IPFromString("2400:4030:1:2c00:be30:0:0:1", &ip1));
EXPECT_TRUE(IPFromString("2400:4030:1:2c00:be30:0:0:2", &ip2));
// Create 2 networks with the same prefix and length.
Network* net1 = new Network("em1", "em1", TruncateIP(ip1, 64), 64);
Network* net2 = new Network("em1", "em1", TruncateIP(ip1, 64), 64);
// Add different IP into each.
net1->AddIP(ip1);
net2->AddIP(ip2);
list.push_back(net1);
list.push_back(net2);
bool changed;
MergeNetworkList(manager, list, &changed);
EXPECT_TRUE(changed);
NetworkManager::NetworkList list2;
manager.GetNetworks(&list2);
// Make sure the resulted networklist has only 1 element and 2
// IPAddresses.
EXPECT_EQ(list2.size(), 1uL);
EXPECT_EQ(list2[0]->GetIPs().size(), 2uL);
EXPECT_EQ(list2[0]->GetIPs()[0], ip1);
EXPECT_EQ(list2[0]->GetIPs()[1], ip2);
}
// Test that MergeNetworkList successfully detects the change if
// a network becomes inactive and then active again.
TEST_F(NetworkTest, TestMergeNetworkListWithInactiveNetworks) {
BasicNetworkManager manager;
Network network1("test_wifi", "Test Network Adapter 1",
IPAddress(0x12345600U), 24);
Network network2("test_eth0", "Test Network Adapter 2",
IPAddress(0x00010000U), 16);
network1.AddIP(IPAddress(0x12345678));
network2.AddIP(IPAddress(0x00010004));
NetworkManager::NetworkList list;
Network* net1 = new Network(network1);
list.push_back(net1);
bool changed;
MergeNetworkList(manager, list, &changed);
EXPECT_TRUE(changed);
list.clear();
manager.GetNetworks(&list);
ASSERT_EQ(1U, list.size());
EXPECT_EQ(net1, list[0]);
list.clear();
Network* net2 = new Network(network2);
list.push_back(net2);
MergeNetworkList(manager, list, &changed);
EXPECT_TRUE(changed);
list.clear();
manager.GetNetworks(&list);
ASSERT_EQ(1U, list.size());
EXPECT_EQ(net2, list[0]);
// Now network1 is inactive. Try to merge it again.
list.clear();
list.push_back(new Network(network1));
MergeNetworkList(manager, list, &changed);
EXPECT_TRUE(changed);
list.clear();
manager.GetNetworks(&list);
ASSERT_EQ(1U, list.size());
EXPECT_TRUE(list[0]->active());
EXPECT_EQ(net1, list[0]);
}
// Test that the filtering logic follows the defined ruleset in network.h.
TEST_F(NetworkTest, TestIPv6Selection) {
InterfaceAddress ip;
std::string ipstr;
ipstr = "2401:fa00:4:1000:be30:5bff:fee5:c3";
ASSERT_TRUE(IPFromString(ipstr, IPV6_ADDRESS_FLAG_DEPRECATED, &ip));
// Create a network with this prefix.
Network ipv6_network(
"test_eth0", "Test NetworkAdapter", TruncateIP(ip, 64), 64);
// When there is no address added, it should return an unspecified
// address.
EXPECT_EQ(ipv6_network.GetBestIP(), IPAddress());
EXPECT_TRUE(IPIsUnspec(ipv6_network.GetBestIP()));
// Deprecated one should not be returned.
ipv6_network.AddIP(ip);
EXPECT_EQ(ipv6_network.GetBestIP(), IPAddress());
// Add ULA one. ULA is unique local address which is starting either
// with 0xfc or 0xfd.
ipstr = "fd00:fa00:4:1000:be30:5bff:fee5:c4";
ASSERT_TRUE(IPFromString(ipstr, IPV6_ADDRESS_FLAG_NONE, &ip));
ipv6_network.AddIP(ip);
EXPECT_EQ(ipv6_network.GetBestIP(), static_cast<IPAddress>(ip));
// Add global one.
ipstr = "2401:fa00:4:1000:be30:5bff:fee5:c5";
ASSERT_TRUE(IPFromString(ipstr, IPV6_ADDRESS_FLAG_NONE, &ip));
ipv6_network.AddIP(ip);
EXPECT_EQ(ipv6_network.GetBestIP(), static_cast<IPAddress>(ip));
// Add global dynamic temporary one.
ipstr = "2401:fa00:4:1000:be30:5bff:fee5:c6";
ASSERT_TRUE(IPFromString(ipstr, IPV6_ADDRESS_FLAG_TEMPORARY, &ip));
ipv6_network.AddIP(ip);
EXPECT_EQ(ipv6_network.GetBestIP(), static_cast<IPAddress>(ip));
}
TEST_F(NetworkTest, TestNetworkMonitoring) {
BasicNetworkManager manager;
manager.SignalNetworksChanged.connect(static_cast<NetworkTest*>(this),
&NetworkTest::OnNetworksChanged);
FakeNetworkMonitorFactory* factory = new FakeNetworkMonitorFactory();
NetworkMonitorFactory::SetFactory(factory);
manager.StartUpdating();
FakeNetworkMonitor* network_monitor = GetNetworkMonitor(manager);
EXPECT_TRUE(network_monitor && network_monitor->started());
EXPECT_TRUE_WAIT(callback_called_, 1000);
callback_called_ = false;
// Clear the networks so that there will be network changes below.
ClearNetworks(manager);
// Network manager is started, so the callback is called when the network
// monitor fires the network-change event.
network_monitor->OnNetworksChanged();
EXPECT_TRUE_WAIT(callback_called_, 1000);
// Network manager is stopped.
manager.StopUpdating();
EXPECT_FALSE(GetNetworkMonitor(manager)->started());
NetworkMonitorFactory::ReleaseFactory(factory);
}
TEST_F(NetworkTest, DefaultLocalAddress) {
IPAddress ip;
TestBasicNetworkManager manager;
manager.SignalNetworksChanged.connect(static_cast<NetworkTest*>(this),
&NetworkTest::OnNetworksChanged);
FakeNetworkMonitorFactory* factory = new FakeNetworkMonitorFactory();
NetworkMonitorFactory::SetFactory(factory);
manager.StartUpdating();
EXPECT_TRUE_WAIT(callback_called_, 1000);
// Make sure we can query default local address when an address for such
// address family exists.
std::vector<Network*> networks;
manager.GetNetworks(&networks);
EXPECT_TRUE(!networks.empty());
for (auto& network : networks) {
if (network->GetBestIP().family() == AF_INET) {
EXPECT_TRUE(manager.QueryDefaultLocalAddress(AF_INET) != IPAddress());
} else if (network->GetBestIP().family() == AF_INET6 &&
!IPIsLoopback(network->GetBestIP())) {
// Existence of an IPv6 loopback address doesn't mean it has IPv6 network
// enabled.
EXPECT_TRUE(manager.QueryDefaultLocalAddress(AF_INET6) != IPAddress());
}
}
// GetDefaultLocalAddress should return the valid default address after set.
manager.set_default_local_addresses(GetLoopbackIP(AF_INET),
GetLoopbackIP(AF_INET6));
EXPECT_TRUE(manager.GetDefaultLocalAddress(AF_INET, &ip));
EXPECT_EQ(ip, GetLoopbackIP(AF_INET));
EXPECT_TRUE(manager.GetDefaultLocalAddress(AF_INET6, &ip));
EXPECT_EQ(ip, GetLoopbackIP(AF_INET6));
// More tests on GetDefaultLocalAddress with ipv6 addresses where the set
// default address may be different from the best IP address of any network.
InterfaceAddress ip1;
EXPECT_TRUE(IPFromString("abcd::1234:5678:abcd:1111",
IPV6_ADDRESS_FLAG_TEMPORARY, &ip1));
// Create a network with a prefix of ip1.
Network ipv6_network("test_eth0", "Test NetworkAdapter", TruncateIP(ip1, 64),
64);
IPAddress ip2;
EXPECT_TRUE(IPFromString("abcd::1234:5678:abcd:2222", &ip2));
ipv6_network.AddIP(ip1);
ipv6_network.AddIP(ip2);
BasicNetworkManager::NetworkList list(1, new Network(ipv6_network));
bool changed;
MergeNetworkList(manager, list, &changed);
// If the set default address is not in any network, GetDefaultLocalAddress
// should return it.
IPAddress ip3;
EXPECT_TRUE(IPFromString("abcd::1234:5678:abcd:3333", &ip3));
manager.set_default_local_addresses(GetLoopbackIP(AF_INET), ip3);
EXPECT_TRUE(manager.GetDefaultLocalAddress(AF_INET6, &ip));
EXPECT_EQ(ip3, ip);
// If the set default address is in a network, GetDefaultLocalAddress will
// return the best IP in that network.
manager.set_default_local_addresses(GetLoopbackIP(AF_INET), ip2);
EXPECT_TRUE(manager.GetDefaultLocalAddress(AF_INET6, &ip));
EXPECT_EQ(static_cast<IPAddress>(ip1), ip);
manager.StopUpdating();
}
} // namespace rtc
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