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gecko/media/mtransport/test/ice_unittest.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
// Original author: ekr@rtfm.com
#include <algorithm>
#include <iostream>
#include <limits>
#include <map>
#include <string>
#include <vector>
#include "sigslot.h"
#include "logging.h"
#include "nspr.h"
#include "nss.h"
#include "ssl.h"
#include "mozilla/Scoped.h"
#include "nsThreadUtils.h"
#include "nsXPCOM.h"
#include "nricectx.h"
#include "nricemediastream.h"
#include "nriceresolverfake.h"
#include "nriceresolver.h"
#include "nrinterfaceprioritizer.h"
#include "mtransport_test_utils.h"
#include "runnable_utils.h"
#include "stunserver.h"
// TODO(bcampen@mozilla.com): Big fat hack since the build system doesn't give
// us a clean way to add object files to a single executable.
#include "stunserver.cpp"
#define GTEST_HAS_RTTI 0
#include "gtest/gtest.h"
#include "gtest_utils.h"
using namespace mozilla;
MtransportTestUtils *test_utils;
bool stream_added = false;
const std::string kDefaultStunServerAddress((char *)"23.21.150.121");
const std::string kDefaultStunServerHostname(
(char *)"ec2-23-21-150-121.compute-1.amazonaws.com");
const std::string kBogusStunServerHostname(
(char *)"stun-server-nonexistent.invalid");
const uint16_t kDefaultStunServerPort=3478;
const std::string kBogusIceCandidate(
(char *)"candidate:0 2 UDP 2113601790 192.168.178.20 50769 typ");
std::string g_stun_server_address(kDefaultStunServerAddress);
std::string g_stun_server_hostname(kDefaultStunServerHostname);
std::string g_turn_server;
std::string g_turn_user;
std::string g_turn_password;
namespace {
enum TrickleMode { TRICKLE_NONE, TRICKLE_SIMULATE, TRICKLE_REAL };
typedef bool (*CandidateFilter)(const std::string& candidate);
static bool IsRelayCandidate(const std::string& candidate) {
return candidate.find("typ relay") != std::string::npos;
}
bool ContainsSucceededPair(const std::vector<NrIceCandidatePair>& pairs) {
for (size_t i = 0; i < pairs.size(); ++i) {
if (pairs[i].state == NrIceCandidatePair::STATE_SUCCEEDED) {
return true;
}
}
return false;
}
// Note: Does not correspond to any notion of prioritization; this is just
// so we can use stl containers/algorithms that need a comparator
bool operator<(const NrIceCandidate& lhs,
const NrIceCandidate& rhs) {
if (lhs.host == rhs.host) {
if (lhs.port == rhs.port) {
return lhs.type < rhs.type;
}
return lhs.port < rhs.port;
}
return lhs.host < rhs.host;
}
bool operator==(const NrIceCandidate& lhs,
const NrIceCandidate& rhs) {
return lhs.host == rhs.host &&
lhs.port == rhs.port &&
lhs.type == rhs.type;
}
class IceCandidatePairCompare {
public:
bool operator()(const NrIceCandidatePair& lhs,
const NrIceCandidatePair& rhs) const {
if (lhs.priority == rhs.priority) {
if (lhs.local == rhs.local) {
return lhs.remote < rhs.remote;
}
return lhs.local < rhs.local;
}
return lhs.priority < rhs.priority;
}
};
class IceTestPeer : public sigslot::has_slots<> {
public:
IceTestPeer(const std::string& name, bool offerer, bool set_priorities) :
name_(name),
ice_ctx_(NrIceCtx::Create(name, offerer, set_priorities)),
streams_(),
candidates_(),
gathering_complete_(false),
ready_ct_(0),
ice_complete_(false),
received_(0),
sent_(0),
fake_resolver_(),
dns_resolver_(new NrIceResolver()),
remote_(nullptr),
candidate_filter_(nullptr),
expected_local_type_(NrIceCandidate::ICE_HOST),
expected_remote_type_(NrIceCandidate::ICE_HOST),
trickle_mode_(TRICKLE_NONE),
trickled_(0) {
ice_ctx_->SignalGatheringCompleted.connect(this,
&IceTestPeer::GatheringComplete);
ice_ctx_->SignalCompleted.connect(this, &IceTestPeer::IceCompleted);
}
~IceTestPeer() {
test_utils->sts_target()->Dispatch(WrapRunnable(this,
&IceTestPeer::Shutdown),
NS_DISPATCH_SYNC);
// Give the ICE destruction callback time to fire before
// we destroy the resolver.
PR_Sleep(1000);
}
void AddStream(int components) {
char name[100];
snprintf(name, sizeof(name), "%s:stream%d", name_.c_str(),
(int)streams_.size());
mozilla::RefPtr<NrIceMediaStream> stream =
ice_ctx_->CreateStream(static_cast<char *>(name), components);
ASSERT_TRUE(stream);
streams_.push_back(stream);
stream->SignalCandidate.connect(this, &IceTestPeer::CandidateInitialized);
stream->SignalReady.connect(this, &IceTestPeer::StreamReady);
stream->SignalFailed.connect(this, &IceTestPeer::StreamFailed);
stream->SignalPacketReceived.connect(this, &IceTestPeer::PacketReceived);
}
void SetStunServer(const std::string addr, uint16_t port) {
std::vector<NrIceStunServer> stun_servers;
ScopedDeletePtr<NrIceStunServer> server(NrIceStunServer::Create(addr,
port));
stun_servers.push_back(*server);
ASSERT_TRUE(NS_SUCCEEDED(ice_ctx_->SetStunServers(stun_servers)));
}
void SetTurnServer(const std::string addr, uint16_t port,
const std::string username,
const std::string password) {
std::vector<unsigned char> password_vec(password.begin(), password.end());
SetTurnServer(addr, port, username, password_vec);
}
void SetTurnServer(const std::string addr, uint16_t port,
const std::string username,
const std::vector<unsigned char> password) {
std::vector<NrIceTurnServer> turn_servers;
ScopedDeletePtr<NrIceTurnServer> server(NrIceTurnServer::Create(
addr, port, username, password));
turn_servers.push_back(*server);
ASSERT_TRUE(NS_SUCCEEDED(ice_ctx_->SetTurnServers(turn_servers)));
}
void SetFakeResolver() {
ASSERT_TRUE(NS_SUCCEEDED(dns_resolver_->Init()));
PRNetAddr addr;
PRStatus status = PR_StringToNetAddr(g_stun_server_address.c_str(),
&addr);
addr.inet.port = kDefaultStunServerPort;
ASSERT_EQ(PR_SUCCESS, status);
fake_resolver_.SetAddr(g_stun_server_hostname, addr);
ASSERT_TRUE(NS_SUCCEEDED(ice_ctx_->SetResolver(
fake_resolver_.AllocateResolver())));
}
void SetDNSResolver() {
ASSERT_TRUE(NS_SUCCEEDED(dns_resolver_->Init()));
ASSERT_TRUE(NS_SUCCEEDED(ice_ctx_->SetResolver(
dns_resolver_->AllocateResolver())));
}
void Gather() {
nsresult res;
test_utils->sts_target()->Dispatch(
WrapRunnableRet(ice_ctx_, &NrIceCtx::StartGathering, &res),
NS_DISPATCH_SYNC);
ASSERT_TRUE(NS_SUCCEEDED(res));
}
// Get various pieces of state
std::vector<std::string> GetGlobalAttributes() {
return ice_ctx_->GetGlobalAttributes();
}
std::vector<std::string> GetCandidates(size_t stream) {
std::vector<std::string> v;
RUN_ON_THREAD(
test_utils->sts_target(),
WrapRunnableRet(this, &IceTestPeer::GetCandidates_s, stream, &v),
NS_DISPATCH_SYNC);
return v;
}
std::vector<std::string> GetCandidates_s(size_t stream) {
std::vector<std::string> candidates;
if (stream >= streams_.size())
return candidates;
std::vector<std::string> candidates_in =
streams_[stream]->GetCandidates();
for (size_t i=0; i < candidates_in.size(); i++) {
if ((!candidate_filter_) || candidate_filter_(candidates_in[i])) {
std::cerr << "Returning candidate: " << candidates_in[i] << std::endl;
candidates.push_back(candidates_in[i]);
}
}
return candidates;
}
void SetExpectedTypes(NrIceCandidate::Type local,
NrIceCandidate::Type remote) {
expected_local_type_ = local;
expected_remote_type_ = remote;
}
bool gathering_complete() { return gathering_complete_; }
int ready_ct() { return ready_ct_; }
bool is_ready(size_t stream) {
return streams_[stream]->state() == NrIceMediaStream::ICE_OPEN;
}
bool ice_complete() { return ice_complete_; }
size_t received() { return received_; }
size_t sent() { return sent_; }
// Start connecting to another peer
void Connect_s(IceTestPeer *remote, TrickleMode trickle_mode,
bool start = true) {
nsresult res;
remote_ = remote;
trickle_mode_ = trickle_mode;
res = ice_ctx_->ParseGlobalAttributes(remote->GetGlobalAttributes());
ASSERT_TRUE(NS_SUCCEEDED(res));
if (trickle_mode == TRICKLE_NONE ||
trickle_mode == TRICKLE_REAL) {
for (size_t i=0; i<streams_.size(); ++i) {
std::vector<std::string> candidates =
remote->GetCandidates(i);
for (size_t j=0; j<candidates.size(); ++j) {
std::cerr << "Candidate: " + candidates[j] << std::endl;
}
res = streams_[i]->ParseAttributes(candidates);
ASSERT_TRUE(NS_SUCCEEDED(res));
}
} else {
// Parse empty attributes and then trickle them out later
for (size_t i=0; i<streams_.size(); ++i) {
std::vector<std::string> empty_attrs;
res = streams_[i]->ParseAttributes(empty_attrs);
ASSERT_TRUE(NS_SUCCEEDED(res));
}
}
if (start) {
// Now start checks
res = ice_ctx_->StartChecks();
ASSERT_TRUE(NS_SUCCEEDED(res));
}
}
void Connect(IceTestPeer *remote, TrickleMode trickle_mode,
bool start = true) {
test_utils->sts_target()->Dispatch(
WrapRunnable(
this, &IceTestPeer::Connect_s, remote, trickle_mode, start),
NS_DISPATCH_SYNC);
}
void SimulateTrickle(size_t stream) {
std::cerr << "Doing trickle for stream " << stream << std::endl;
// If we are in trickle deferred mode, now trickle in the candidates
// for |stream}
nsresult res;
ASSERT_GT(remote_->streams_.size(), stream);
std::vector<std::string> candidates =
remote_->GetCandidates(stream);
for (size_t j=0; j<candidates.size(); j++) {
test_utils->sts_target()->Dispatch(
WrapRunnableRet(streams_[stream],
&NrIceMediaStream::ParseTrickleCandidate,
candidates[j],
&res), NS_DISPATCH_SYNC);
ASSERT_TRUE(NS_SUCCEEDED(res));
}
}
void DumpCandidate(std::string which, const NrIceCandidate& cand) {
std::string type;
switch(cand.type) {
case NrIceCandidate::ICE_HOST:
type = "host";
break;
case NrIceCandidate::ICE_SERVER_REFLEXIVE:
type = "srflx";
break;
case NrIceCandidate::ICE_PEER_REFLEXIVE:
type = "prflx";
break;
case NrIceCandidate::ICE_RELAYED:
type = "relay";
break;
default:
FAIL();
};
std::cerr << which
<< " --> "
<< type
<< " "
<< cand.host
<< ":"
<< cand.port
<< std::endl;
}
void DumpAndCheckActiveCandidates() {
std::cerr << "Active candidates:" << std::endl;
for (size_t i=0; i < streams_.size(); ++i) {
for (int j=0; j < streams_[i]->components(); ++j) {
std::cerr << "Stream " << i << " component " << j+1 << std::endl;
NrIceCandidate *local;
NrIceCandidate *remote;
nsresult res = streams_[i]->GetActivePair(j+1, &local, &remote);
if (res == NS_ERROR_NOT_AVAILABLE) {
std::cerr << "Component unpaired or disabled." << std::endl;
} else {
ASSERT_TRUE(NS_SUCCEEDED(res));
DumpCandidate("Local ", *local);
ASSERT_EQ(expected_local_type_, local->type);
DumpCandidate("Remote ", *remote);
ASSERT_EQ(expected_remote_type_, remote->type);
delete local;
delete remote;
}
}
}
}
void Close() {
test_utils->sts_target()->Dispatch(
WrapRunnable(ice_ctx_, &NrIceCtx::destroy_peer_ctx),
NS_DISPATCH_SYNC);
}
void Shutdown() {
ice_ctx_ = nullptr;
}
void StartChecks() {
nsresult res;
// Now start checks
test_utils->sts_target()->Dispatch(
WrapRunnableRet(ice_ctx_, &NrIceCtx::StartChecks, &res),
NS_DISPATCH_SYNC);
ASSERT_TRUE(NS_SUCCEEDED(res));
}
// Handle events
void GatheringComplete(NrIceCtx *ctx) {
std::cerr << "Gathering complete for " << name_ << std::endl;
gathering_complete_ = true;
std::cerr << "CANDIDATES:" << std::endl;
for (size_t i=0; i<streams_.size(); ++i) {
std::cerr << "Stream " << name_ << std::endl;
std::vector<std::string> candidates =
streams_[i]->GetCandidates();
for(size_t j=0; j<candidates.size(); ++j) {
std::cerr << candidates[j] << std::endl;
}
}
std::cerr << std::endl;
}
void CandidateInitialized(NrIceMediaStream *stream, const std::string &candidate) {
std::cerr << "Candidate initialized: " << candidate << std::endl;
candidates_[stream->name()].push_back(candidate);
// If we are connected, then try to trickle to the
// other side.
if (remote_ && remote_->remote_) {
std::vector<mozilla::RefPtr<NrIceMediaStream> >::iterator it =
std::find(streams_.begin(), streams_.end(), stream);
ASSERT_NE(streams_.end(), it);
size_t index = it - streams_.begin();
ASSERT_GT(remote_->streams_.size(), index);
nsresult res = remote_->streams_[index]->ParseTrickleCandidate(
candidate);
ASSERT_TRUE(NS_SUCCEEDED(res));
++trickled_;
}
}
nsresult GetCandidatePairs(size_t stream_index,
std::vector<NrIceCandidatePair>* pairs) {
MOZ_ASSERT(pairs);
if (stream_index >= streams_.size()) {
// Is there a better error for "no such index"?
ADD_FAILURE() << "No such media stream index: " << stream_index;
return NS_ERROR_INVALID_ARG;
}
nsresult res;
test_utils->sts_target()->Dispatch(
WrapRunnableRet(streams_[stream_index],
&NrIceMediaStream::GetCandidatePairs,
pairs,
&res),
NS_DISPATCH_SYNC);
return res;
}
void DumpCandidatePair(const NrIceCandidatePair& pair) {
std::cerr << std::endl;
DumpCandidate("Local", pair.local);
DumpCandidate("Remote", pair.remote);
std::cerr << "state = " << pair.state
<< " priority = " << pair.priority
<< " nominated = " << pair.nominated
<< " selected = " << pair.selected << std::endl;
}
void DumpCandidatePairs(NrIceMediaStream *stream) {
std::vector<NrIceCandidatePair> pairs;
nsresult res = stream->GetCandidatePairs(&pairs);
ASSERT_TRUE(NS_SUCCEEDED(res));
std::cerr << "Begin list of candidate pairs [" << std::endl;
for (std::vector<NrIceCandidatePair>::iterator p = pairs.begin();
p != pairs.end(); ++p) {
DumpCandidatePair(*p);
}
std::cerr << "]" << std::endl;
}
void DumpCandidatePairs() {
std::cerr << "Dumping candidate pairs for all streams [" << std::endl;
for (size_t s = 0; s < streams_.size(); ++s) {
DumpCandidatePairs(streams_[s]);
}
std::cerr << "]" << std::endl;
}
bool CandidatePairsPriorityDescending(const std::vector<NrIceCandidatePair>&
pairs) {
// Verify that priority is descending
uint64_t priority = std::numeric_limits<uint64_t>::max();
for (size_t p = 0; p < pairs.size(); ++p) {
if (priority < pairs[p].priority) {
std::cerr << "Priority increased in subsequent pairs:" << std::endl;
DumpCandidatePair(pairs[p-1]);
DumpCandidatePair(pairs[p]);
return false;
} else if (priority == pairs[p].priority) {
std::cerr << "Duplicate priority in subseqent pairs:" << std::endl;
DumpCandidatePair(pairs[p-1]);
DumpCandidatePair(pairs[p]);
return false;
}
priority = pairs[p].priority;
}
return true;
}
void UpdateAndValidateCandidatePairs(size_t stream_index,
std::vector<NrIceCandidatePair>*
new_pairs) {
std::vector<NrIceCandidatePair> old_pairs = *new_pairs;
GetCandidatePairs(stream_index, new_pairs);
ASSERT_TRUE(CandidatePairsPriorityDescending(*new_pairs)) << "New list of "
"candidate pairs is either not sorted in priority order, or has "
"duplicate priorities.";
ASSERT_TRUE(CandidatePairsPriorityDescending(old_pairs)) << "Old list of "
"candidate pairs is either not sorted in priority order, or has "
"duplicate priorities. This indicates some bug in the test case.";
std::vector<NrIceCandidatePair> added_pairs;
std::vector<NrIceCandidatePair> removed_pairs;
// set_difference computes the set of elements that are present in the
// first set, but not the second
// NrIceCandidatePair::operator< compares based on the priority, local
// candidate, and remote candidate in that order. This means this will
// catch cases where the priority has remained the same, but one of the
// candidates has changed.
std::set_difference((*new_pairs).begin(),
(*new_pairs).end(),
old_pairs.begin(),
old_pairs.end(),
std::inserter(added_pairs, added_pairs.begin()),
IceCandidatePairCompare());
std::set_difference(old_pairs.begin(),
old_pairs.end(),
(*new_pairs).begin(),
(*new_pairs).end(),
std::inserter(removed_pairs, removed_pairs.begin()),
IceCandidatePairCompare());
for (std::vector<NrIceCandidatePair>::iterator a = added_pairs.begin();
a != added_pairs.end(); ++a) {
std::cerr << "Found new candidate pair." << std::endl;
DumpCandidatePair(*a);
}
for (std::vector<NrIceCandidatePair>::iterator r = removed_pairs.begin();
r != removed_pairs.end(); ++r) {
std::cerr << "Pre-existing candidate pair is now missing:" << std::endl;
DumpCandidatePair(*r);
}
ASSERT_TRUE(removed_pairs.empty()) << "At least one candidate pair has "
"gone missing.";
}
void StreamReady(NrIceMediaStream *stream) {
++ready_ct_;
std::cerr << "Stream ready " << stream->name() << " ct=" << ready_ct_ << std::endl;
DumpCandidatePairs(stream);
}
void StreamFailed(NrIceMediaStream *stream) {
std::cerr << "Stream failed " << stream->name() << " ct=" << ready_ct_ << std::endl;
DumpCandidatePairs(stream);
}
void IceCompleted(NrIceCtx *ctx) {
std::cerr << "ICE completed " << name_ << std::endl;
ice_complete_ = true;
}
void PacketReceived(NrIceMediaStream *stream, int component, const unsigned char *data,
int len) {
std::cerr << "Received " << len << " bytes" << std::endl;
++received_;
}
void SendPacket(int stream, int component, const unsigned char *data,
int len) {
ASSERT_TRUE(NS_SUCCEEDED(streams_[stream]->SendPacket(component, data, len)));
++sent_;
std::cerr << "Sent " << len << " bytes" << std::endl;
}
void SetCandidateFilter(CandidateFilter filter) {
candidate_filter_ = filter;
}
// Allow us to parse candidates directly on the current thread.
void ParseCandidate(size_t i, const std::string& candidate) {
std::vector<std::string> attributes;
attributes.push_back(candidate);
streams_[i]->ParseAttributes(attributes);
}
void DisableComponent(size_t stream, int component_id) {
ASSERT_LT(stream, streams_.size());
nsresult res = streams_[stream]->DisableComponent(component_id);
ASSERT_TRUE(NS_SUCCEEDED(res));
}
int trickled() { return trickled_; }
private:
std::string name_;
nsRefPtr<NrIceCtx> ice_ctx_;
std::vector<mozilla::RefPtr<NrIceMediaStream> > streams_;
std::map<std::string, std::vector<std::string> > candidates_;
bool gathering_complete_;
int ready_ct_;
bool ice_complete_;
size_t received_;
size_t sent_;
NrIceResolverFake fake_resolver_;
nsRefPtr<NrIceResolver> dns_resolver_;
IceTestPeer *remote_;
CandidateFilter candidate_filter_;
NrIceCandidate::Type expected_local_type_;
NrIceCandidate::Type expected_remote_type_;
TrickleMode trickle_mode_;
int trickled_;
};
class IceGatherTest : public ::testing::Test {
public:
void SetUp() {
test_utils->sts_target()->Dispatch(WrapRunnable(TestStunServer::GetInstance(),
&TestStunServer::Reset),
NS_DISPATCH_SYNC);
peer_ = new IceTestPeer("P1", true, false);
peer_->AddStream(1);
}
void Gather(bool wait = true) {
peer_->Gather();
if (wait) {
WaitForGather();
}
}
void WaitForGather() {
ASSERT_TRUE_WAIT(peer_->gathering_complete(), 10000);
}
void UseFakeStunServerWithResponse(const std::string& fake_addr,
uint16_t fake_port) {
TestStunServer::GetInstance()->SetResponseAddr(fake_addr, fake_port);
// Sets an additional stun server
peer_->SetStunServer(TestStunServer::GetInstance()->addr(),
TestStunServer::GetInstance()->port());
}
// NB: Only does substring matching, watch out for stuff like "1.2.3.4"
// matching "21.2.3.47". " 1.2.3.4 " should not have false positives.
bool StreamHasMatchingCandidate(unsigned int stream,
const std::string& match) {
std::vector<std::string> candidates = peer_->GetCandidates(stream);
for (size_t c = 0; c < candidates.size(); ++c) {
if (std::string::npos != candidates[c].find(match)) {
return true;
}
}
return false;
}
protected:
mozilla::ScopedDeletePtr<IceTestPeer> peer_;
};
class IceConnectTest : public ::testing::Test {
public:
IceConnectTest() : initted_(false) {}
void SetUp() {
nsresult rv;
target_ = do_GetService(NS_SOCKETTRANSPORTSERVICE_CONTRACTID, &rv);
ASSERT_TRUE(NS_SUCCEEDED(rv));
}
void AddStream(const std::string& name, int components) {
Init(false);
p1_->AddStream(components);
p2_->AddStream(components);
}
void Init(bool set_priorities) {
if (!initted_) {
p1_ = new IceTestPeer("P1", true, set_priorities);
p2_ = new IceTestPeer("P2", false, set_priorities);
}
initted_ = true;
}
bool Gather(bool wait) {
Init(false);
p1_->SetStunServer(g_stun_server_address, kDefaultStunServerPort);
p2_->SetStunServer(g_stun_server_address, kDefaultStunServerPort);
p1_->Gather();
p2_->Gather();
if (wait) {
EXPECT_TRUE_WAIT(p1_->gathering_complete(), 10000);
if (!p1_->gathering_complete())
return false;
EXPECT_TRUE_WAIT(p2_->gathering_complete(), 10000);
if (!p2_->gathering_complete())
return false;
}
return true;
}
void SetTurnServer(const std::string addr, uint16_t port,
const std::string username,
const std::string password) {
p1_->SetTurnServer(addr, port, username, password);
p2_->SetTurnServer(addr, port, username, password);
}
void SetCandidateFilter(CandidateFilter filter, bool both=true) {
p1_->SetCandidateFilter(filter);
if (both) {
p2_->SetCandidateFilter(filter);
}
}
void Connect() {
p1_->Connect(p2_, TRICKLE_NONE);
p2_->Connect(p1_, TRICKLE_NONE);
ASSERT_TRUE_WAIT(p1_->ready_ct() == 1 && p2_->ready_ct() == 1, 5000);
ASSERT_TRUE_WAIT(p1_->ice_complete() && p2_->ice_complete(), 5000);
p1_->DumpAndCheckActiveCandidates();
p2_->DumpAndCheckActiveCandidates();
}
void SetExpectedTypes(NrIceCandidate::Type local, NrIceCandidate::Type remote) {
p1_->SetExpectedTypes(local, remote);
p2_->SetExpectedTypes(local, remote);
}
void SetExpectedTypes(NrIceCandidate::Type local1, NrIceCandidate::Type remote1,
NrIceCandidate::Type local2, NrIceCandidate::Type remote2) {
p1_->SetExpectedTypes(local1, remote1);
p2_->SetExpectedTypes(local2, remote2);
}
void ConnectP1(TrickleMode mode = TRICKLE_NONE) {
p1_->Connect(p2_, mode);
}
void ConnectP2(TrickleMode mode = TRICKLE_NONE) {
p2_->Connect(p1_, mode);
}
void WaitForComplete(int expected_streams = 1) {
ASSERT_TRUE_WAIT(p1_->ready_ct() == expected_streams &&
p2_->ready_ct() == expected_streams, 5000);
ASSERT_TRUE_WAIT(p1_->ice_complete() && p2_->ice_complete(), 5000);
}
void WaitForGather() {
ASSERT_TRUE_WAIT(p1_->gathering_complete(), 10000);
ASSERT_TRUE_WAIT(p2_->gathering_complete(), 10000);
}
void ConnectTrickle(TrickleMode trickle = TRICKLE_SIMULATE) {
p1_->Connect(p2_, trickle);
p2_->Connect(p1_, trickle);
}
void SimulateTrickle(size_t stream) {
p1_->SimulateTrickle(stream);
p2_->SimulateTrickle(stream);
ASSERT_TRUE_WAIT(p1_->is_ready(stream), 5000);
ASSERT_TRUE_WAIT(p2_->is_ready(stream), 5000);
}
void SimulateTrickleP1(size_t stream) {
p1_->SimulateTrickle(stream);
}
void SimulateTrickleP2(size_t stream) {
p2_->SimulateTrickle(stream);
}
void VerifyConnected() {
}
void CloseP1() {
p1_->Close();
}
void ConnectThenDelete() {
p1_->Connect(p2_, TRICKLE_NONE, true);
p2_->Connect(p1_, TRICKLE_NONE, false);
test_utils->sts_target()->Dispatch(WrapRunnable(this,
&IceConnectTest::CloseP1),
NS_DISPATCH_SYNC);
p2_->StartChecks();
// Wait to see if we crash
PR_Sleep(PR_MillisecondsToInterval(5000));
}
void SendReceive() {
// p1_->Send(2);
test_utils->sts_target()->Dispatch(
WrapRunnable(p1_.get(),
&IceTestPeer::SendPacket, 0, 1,
reinterpret_cast<const unsigned char *>("TEST"), 4),
NS_DISPATCH_SYNC);
ASSERT_EQ(1u, p1_->sent());
ASSERT_TRUE_WAIT(p2_->received() == 1, 1000);
}
protected:
bool initted_;
nsCOMPtr<nsIEventTarget> target_;
mozilla::ScopedDeletePtr<IceTestPeer> p1_;
mozilla::ScopedDeletePtr<IceTestPeer> p2_;
};
class PrioritizerTest : public ::testing::Test {
public:
PrioritizerTest():
prioritizer_(nullptr) {}
~PrioritizerTest() {
if (prioritizer_) {
nr_interface_prioritizer_destroy(&prioritizer_);
}
}
void SetPriorizer(nr_interface_prioritizer *prioritizer) {
prioritizer_ = prioritizer;
}
void AddInterface(const std::string& num, int type, int estimated_speed) {
std::string str_addr = "10.0.0." + num;
std::string ifname = "eth" + num;
nr_local_addr local_addr;
local_addr.interface.type = type;
local_addr.interface.estimated_speed = estimated_speed;
int r = nr_ip4_str_port_to_transport_addr(str_addr.c_str(), 0,
IPPROTO_UDP, &(local_addr.addr));
ASSERT_EQ(0, r);
strncpy(local_addr.addr.ifname, ifname.c_str(), MAXIFNAME);
r = nr_interface_prioritizer_add_interface(prioritizer_, &local_addr);
ASSERT_EQ(0, r);
r = nr_interface_prioritizer_sort_preference(prioritizer_);
ASSERT_EQ(0, r);
}
void HasLowerPreference(const std::string& num1, const std::string& num2) {
std::string key1 = "eth" + num1 + ":10.0.0." + num1;
std::string key2 = "eth" + num2 + ":10.0.0." + num2;
UCHAR pref1, pref2;
int r = nr_interface_prioritizer_get_priority(prioritizer_, key1.c_str(), &pref1);
ASSERT_EQ(0, r);
r = nr_interface_prioritizer_get_priority(prioritizer_, key2.c_str(), &pref2);
ASSERT_EQ(0, r);
ASSERT_LE(pref1, pref2);
}
private:
nr_interface_prioritizer *prioritizer_;
};
} // end namespace
TEST_F(IceGatherTest, TestGatherFakeStunServerHostnameNoResolver) {
peer_->SetStunServer(g_stun_server_hostname, kDefaultStunServerPort);
Gather();
}
TEST_F(IceGatherTest, TestGatherFakeStunServerIpAddress) {
peer_->SetStunServer(g_stun_server_address, kDefaultStunServerPort);
peer_->SetFakeResolver();
Gather();
}
TEST_F(IceGatherTest, TestGatherFakeStunServerHostname) {
peer_->SetStunServer(g_stun_server_hostname, kDefaultStunServerPort);
peer_->SetFakeResolver();
Gather();
}
TEST_F(IceGatherTest, TestGatherFakeStunBogusHostname) {
peer_->SetStunServer(kBogusStunServerHostname, kDefaultStunServerPort);
peer_->SetFakeResolver();
Gather();
}
TEST_F(IceGatherTest, TestGatherDNSStunServerIpAddress) {
peer_->SetStunServer(g_stun_server_address, kDefaultStunServerPort);
peer_->SetDNSResolver();
Gather();
// TODO(jib@mozilla.com): ensure we get server reflexive candidates Bug 848094
}
TEST_F(IceGatherTest, TestGatherDNSStunServerHostname) {
peer_->SetStunServer(g_stun_server_hostname, kDefaultStunServerPort);
peer_->SetDNSResolver();
Gather();
}
TEST_F(IceGatherTest, TestGatherDNSStunBogusHostname) {
peer_->SetStunServer(kBogusStunServerHostname, kDefaultStunServerPort);
peer_->SetDNSResolver();
Gather();
}
TEST_F(IceGatherTest, TestGatherTurn) {
if (g_turn_server.empty())
return;
peer_->SetTurnServer(g_turn_server, kDefaultStunServerPort,
g_turn_user, g_turn_password);
Gather();
}
TEST_F(IceGatherTest, TestGatherDisableComponent) {
peer_->SetStunServer(kDefaultStunServerHostname, kDefaultStunServerPort);
peer_->AddStream(2);
peer_->DisableComponent(1, 2);
Gather();
std::vector<std::string> candidates =
peer_->GetCandidates(1);
for (size_t i=0; i<candidates.size(); ++i) {
size_t sp1 = candidates[i].find(' ');
ASSERT_EQ(0, candidates[i].compare(sp1+1, 1, "1", 1));
}
}
// Verify that a bogus candidate doesn't cause crashes on the
// main thread. See bug 856433.
TEST_F(IceGatherTest, TestBogusCandidate) {
Gather();
peer_->ParseCandidate(0, kBogusIceCandidate);
}
TEST_F(IceGatherTest, VerifyTestStunServer) {
UseFakeStunServerWithResponse("192.0.2.133", 3333);
Gather();
ASSERT_TRUE(StreamHasMatchingCandidate(0, " 192.0.2.133 3333 "));
}
TEST_F(IceGatherTest, TestStunServerReturnsWildcardAddr) {
UseFakeStunServerWithResponse("0.0.0.0", 3333);
Gather();
ASSERT_FALSE(StreamHasMatchingCandidate(0, " 0.0.0.0 "));
}
TEST_F(IceGatherTest, TestStunServerReturnsPort0) {
UseFakeStunServerWithResponse("192.0.2.133", 0);
Gather();
ASSERT_FALSE(StreamHasMatchingCandidate(0, " 192.0.2.133 0 "));
}
TEST_F(IceGatherTest, TestStunServerReturnsLoopbackAddr) {
UseFakeStunServerWithResponse("127.0.0.133", 3333);
Gather();
ASSERT_FALSE(StreamHasMatchingCandidate(0, " 127.0.0.133 "));
}
TEST_F(IceGatherTest, TestStunServerTrickle) {
UseFakeStunServerWithResponse("192.0.2.1", 3333);
TestStunServer::GetInstance()->SetActive(false);
Gather(false);
ASSERT_FALSE(StreamHasMatchingCandidate(0, "192.0.2.1"));
TestStunServer::GetInstance()->SetActive(true);
WaitForGather();
ASSERT_TRUE(StreamHasMatchingCandidate(0, "192.0.2.1"));
}
TEST_F(IceConnectTest, TestGather) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
}
TEST_F(IceConnectTest, TestGatherAutoPrioritize) {
Init(false);
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
}
TEST_F(IceConnectTest, TestConnect) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
Connect();
}
TEST_F(IceConnectTest, TestConnectTwoComponents) {
AddStream("first", 2);
ASSERT_TRUE(Gather(true));
Connect();
}
TEST_F(IceConnectTest, TestConnectTwoComponentsDisableSecond) {
AddStream("first", 2);
ASSERT_TRUE(Gather(true));
p1_->DisableComponent(0, 2);
p2_->DisableComponent(0, 2);
Connect();
}
TEST_F(IceConnectTest, TestConnectP2ThenP1) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
ConnectP2();
PR_Sleep(1000);
ConnectP1();
WaitForComplete();
}
TEST_F(IceConnectTest, TestConnectP2ThenP1Trickle) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
ConnectP2();
PR_Sleep(1000);
ConnectP1(TRICKLE_SIMULATE);
SimulateTrickleP1(0);
WaitForComplete();
}
TEST_F(IceConnectTest, TestConnectP2ThenP1TrickleTwoComponents) {
AddStream("first", 1);
AddStream("second", 2);
ASSERT_TRUE(Gather(true));
ConnectP2();
PR_Sleep(1000);
ConnectP1(TRICKLE_SIMULATE);
SimulateTrickleP1(0);
std::cerr << "Sleeping between trickle streams" << std::endl;
PR_Sleep(1000); // Give this some time to settle but not complete
// all of ICE.
SimulateTrickleP1(1);
WaitForComplete(2);
}
TEST_F(IceConnectTest, TestConnectAutoPrioritize) {
Init(false);
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
Connect();
}
TEST_F(IceConnectTest, TestConnectTrickleOneStreamOneComponent) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
ConnectTrickle();
SimulateTrickle(0);
ASSERT_TRUE_WAIT(p1_->ice_complete(), 1000);
ASSERT_TRUE_WAIT(p2_->ice_complete(), 1000);
}
TEST_F(IceConnectTest, TestConnectTrickleTwoStreamsOneComponent) {
AddStream("first", 1);
AddStream("second", 1);
ASSERT_TRUE(Gather(true));
ConnectTrickle();
SimulateTrickle(0);
SimulateTrickle(1);
ASSERT_TRUE_WAIT(p1_->ice_complete(), 1000);
ASSERT_TRUE_WAIT(p2_->ice_complete(), 1000);
}
TEST_F(IceConnectTest, TestConnectRealTrickleOneStreamOneComponent) {
AddStream("first", 1);
AddStream("second", 1);
ASSERT_TRUE(Gather(false));
ConnectTrickle(TRICKLE_REAL);
ASSERT_TRUE_WAIT(p1_->ice_complete(), 5000);
ASSERT_TRUE_WAIT(p2_->ice_complete(), 5000);
WaitForGather(); // ICE can complete before we finish gathering.
}
TEST_F(IceConnectTest, TestSendReceive) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
Connect();
SendReceive();
}
TEST_F(IceConnectTest, TestConnectTurn) {
if (g_turn_server.empty())
return;
AddStream("first", 1);
SetTurnServer(g_turn_server, kDefaultStunServerPort,
g_turn_user, g_turn_password);
ASSERT_TRUE(Gather(true));
Connect();
}
TEST_F(IceConnectTest, TestConnectTurnOnly) {
if (g_turn_server.empty())
return;
AddStream("first", 1);
SetTurnServer(g_turn_server, kDefaultStunServerPort,
g_turn_user, g_turn_password);
ASSERT_TRUE(Gather(true));
SetCandidateFilter(IsRelayCandidate);
SetExpectedTypes(NrIceCandidate::Type::ICE_RELAYED,
NrIceCandidate::Type::ICE_RELAYED);
Connect();
}
TEST_F(IceConnectTest, TestSendReceiveTurnOnly) {
if (g_turn_server.empty())
return;
AddStream("first", 1);
SetTurnServer(g_turn_server, kDefaultStunServerPort,
g_turn_user, g_turn_password);
ASSERT_TRUE(Gather(true));
SetCandidateFilter(IsRelayCandidate);
SetExpectedTypes(NrIceCandidate::Type::ICE_RELAYED,
NrIceCandidate::Type::ICE_RELAYED);
Connect();
SendReceive();
}
TEST_F(IceConnectTest, TestConnectShutdownOneSide) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
ConnectThenDelete();
}
TEST_F(IceConnectTest, TestPollCandPairsBeforeConnect) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
std::vector<NrIceCandidatePair> pairs;
nsresult res = p1_->GetCandidatePairs(0, &pairs);
// There should be no candidate pairs prior to calling Connect()
ASSERT_TRUE(NS_FAILED(res));
ASSERT_EQ(0U, pairs.size());
res = p2_->GetCandidatePairs(0, &pairs);
ASSERT_TRUE(NS_FAILED(res));
ASSERT_EQ(0U, pairs.size());
}
TEST_F(IceConnectTest, TestPollCandPairsAfterConnect) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
Connect();
std::vector<NrIceCandidatePair> pairs;
nsresult r = p1_->GetCandidatePairs(0, &pairs);
ASSERT_EQ(NS_OK, r);
// How detailed of a check do we want to do here? If the turn server is
// functioning, we'll get at least two pairs, but this is probably not
// something we should assume.
ASSERT_NE(0U, pairs.size());
ASSERT_TRUE(p1_->CandidatePairsPriorityDescending(pairs));
ASSERT_TRUE(ContainsSucceededPair(pairs));
pairs.clear();
r = p2_->GetCandidatePairs(0, &pairs);
ASSERT_EQ(NS_OK, r);
ASSERT_NE(0U, pairs.size());
ASSERT_TRUE(p2_->CandidatePairsPriorityDescending(pairs));
ASSERT_TRUE(ContainsSucceededPair(pairs));
}
TEST_F(IceConnectTest, TestPollCandPairsDuringConnect) {
AddStream("first", 1);
ASSERT_TRUE(Gather(true));
p1_->Connect(p2_, TRICKLE_NONE, false);
p2_->Connect(p1_, TRICKLE_NONE, false);
std::vector<NrIceCandidatePair> pairs1;
std::vector<NrIceCandidatePair> pairs2;
p1_->StartChecks();
p1_->UpdateAndValidateCandidatePairs(0, &pairs1);
p2_->UpdateAndValidateCandidatePairs(0, &pairs2);
p2_->StartChecks();
p1_->UpdateAndValidateCandidatePairs(0, &pairs1);
p2_->UpdateAndValidateCandidatePairs(0, &pairs2);
WaitForComplete();
p1_->UpdateAndValidateCandidatePairs(0, &pairs1);
p2_->UpdateAndValidateCandidatePairs(0, &pairs2);
ASSERT_TRUE(ContainsSucceededPair(pairs1));
ASSERT_TRUE(ContainsSucceededPair(pairs2));
}
TEST_F(PrioritizerTest, TestPrioritizer) {
SetPriorizer(::mozilla::CreateInterfacePrioritizer());
AddInterface("0", NR_INTERFACE_TYPE_VPN, 100); // unknown vpn
AddInterface("1", NR_INTERFACE_TYPE_VPN | NR_INTERFACE_TYPE_WIRED, 100); // wired vpn
AddInterface("2", NR_INTERFACE_TYPE_VPN | NR_INTERFACE_TYPE_WIFI, 100); // wifi vpn
AddInterface("3", NR_INTERFACE_TYPE_VPN | NR_INTERFACE_TYPE_MOBILE, 100); // wifi vpn
AddInterface("4", NR_INTERFACE_TYPE_WIRED, 1000); // wired, high speed
AddInterface("5", NR_INTERFACE_TYPE_WIRED, 10); // wired, low speed
AddInterface("6", NR_INTERFACE_TYPE_WIFI, 10); // wifi, low speed
AddInterface("7", NR_INTERFACE_TYPE_WIFI, 1000); // wifi, high speed
AddInterface("8", NR_INTERFACE_TYPE_MOBILE, 10); // mobile, low speed
AddInterface("9", NR_INTERFACE_TYPE_MOBILE, 1000); // mobile, high speed
AddInterface("10", NR_INTERFACE_TYPE_UNKNOWN, 10); // unknown, low speed
AddInterface("11", NR_INTERFACE_TYPE_UNKNOWN, 1000); // unknown, high speed
// expected preference "4" > "5" > "1" > "7" > "6" > "2" > "9" > "8" > "3" > "11" > "10" > "0"
HasLowerPreference("0", "10");
HasLowerPreference("10", "11");
HasLowerPreference("11", "3");
HasLowerPreference("3", "8");
HasLowerPreference("8", "9");
HasLowerPreference("9", "2");
HasLowerPreference("2", "6");
HasLowerPreference("6", "7");
HasLowerPreference("7", "1");
HasLowerPreference("1", "5");
HasLowerPreference("5", "4");
}
static std::string get_environment(const char *name) {
char *value = getenv(name);
if (!value)
return "";
return value;
}
int main(int argc, char **argv)
{
#ifdef LINUX
// This test can cause intermittent oranges on the builders on Linux
CHECK_ENVIRONMENT_FLAG("MOZ_WEBRTC_TESTS")
#endif
g_turn_server = get_environment("TURN_SERVER_ADDRESS");
g_turn_user = get_environment("TURN_SERVER_USER");
g_turn_password = get_environment("TURN_SERVER_PASSWORD");
if (g_turn_server.empty() ||
g_turn_user.empty(),
g_turn_password.empty()) {
printf(
"Set TURN_SERVER_ADDRESS, TURN_SERVER_USER, and TURN_SERVER_PASSWORD\n"
"environment variables to run this test\n");
g_turn_server="";
}
std::string tmp = get_environment("STUN_SERVER_ADDRESS");
if (tmp != "")
g_stun_server_address = tmp;
tmp = get_environment("STUN_SERVER_HOSTNAME");
if (tmp != "")
g_stun_server_hostname = tmp;
test_utils = new MtransportTestUtils();
NSS_NoDB_Init(nullptr);
NSS_SetDomesticPolicy();
// Start the tests
::testing::InitGoogleTest(&argc, argv);
test_utils->sts_target()->Dispatch(
WrapRunnableNM(&TestStunServer::GetInstance), NS_DISPATCH_SYNC);
int rv = RUN_ALL_TESTS();
test_utils->sts_target()->Dispatch(
WrapRunnableNM(&TestStunServer::ShutdownInstance), NS_DISPATCH_SYNC);
delete test_utils;
return rv;
}
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