1 /*
2 * Copyright 2015 The WebRTC Project Authors. All rights reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <memory>
12 #include <set>
13 #include <sstream>
14 #include <string>
15 #include <vector>
16
17 #include "absl/flags/flag.h"
18 #include "absl/flags/parse.h"
19 #include "p2p/base/basic_packet_socket_factory.h"
20 #include "p2p/stunprober/stun_prober.h"
21 #include "rtc_base/helpers.h"
22 #include "rtc_base/logging.h"
23 #include "rtc_base/network.h"
24 #include "rtc_base/socket_address.h"
25 #include "rtc_base/ssl_adapter.h"
26 #include "rtc_base/thread.h"
27 #include "rtc_base/time_utils.h"
28
29 using stunprober::AsyncCallback;
30 using stunprober::StunProber;
31
32 ABSL_FLAG(int,
33 interval,
34 10,
35 "Interval of consecutive stun pings in milliseconds");
36 ABSL_FLAG(bool,
37 shared_socket,
38 false,
39 "Share socket mode for different remote IPs");
40 ABSL_FLAG(int,
41 pings_per_ip,
42 10,
43 "Number of consecutive stun pings to send for each IP");
44 ABSL_FLAG(int,
45 timeout,
46 1000,
47 "Milliseconds of wait after the last ping sent before exiting");
48 ABSL_FLAG(
49 std::string,
50 servers,
51 "stun.l.google.com:19302,stun1.l.google.com:19302,stun2.l.google.com:19302",
52 "Comma separated STUN server addresses with ports");
53
54 namespace {
55
PrintNatType(stunprober::NatType type)56 const char* PrintNatType(stunprober::NatType type) {
57 switch (type) {
58 case stunprober::NATTYPE_NONE:
59 return "Not behind a NAT";
60 case stunprober::NATTYPE_UNKNOWN:
61 return "Unknown NAT type";
62 case stunprober::NATTYPE_SYMMETRIC:
63 return "Symmetric NAT";
64 case stunprober::NATTYPE_NON_SYMMETRIC:
65 return "Non-Symmetric NAT";
66 default:
67 return "Invalid";
68 }
69 }
70
PrintStats(StunProber * prober)71 void PrintStats(StunProber* prober) {
72 StunProber::Stats stats;
73 if (!prober->GetStats(&stats)) {
74 RTC_LOG(LS_WARNING) << "Results are inconclusive.";
75 return;
76 }
77
78 RTC_LOG(LS_INFO) << "Shared Socket Mode: " << stats.shared_socket_mode;
79 RTC_LOG(LS_INFO) << "Requests sent: " << stats.num_request_sent;
80 RTC_LOG(LS_INFO) << "Responses received: " << stats.num_response_received;
81 RTC_LOG(LS_INFO) << "Target interval (ns): "
82 << stats.target_request_interval_ns;
83 RTC_LOG(LS_INFO) << "Actual interval (ns): "
84 << stats.actual_request_interval_ns;
85 RTC_LOG(LS_INFO) << "NAT Type: " << PrintNatType(stats.nat_type);
86 RTC_LOG(LS_INFO) << "Host IP: " << stats.host_ip;
87 RTC_LOG(LS_INFO) << "Server-reflexive ips: ";
88 for (auto& ip : stats.srflx_addrs) {
89 RTC_LOG(LS_INFO) << "\t" << ip;
90 }
91
92 RTC_LOG(LS_INFO) << "Success Precent: " << stats.success_percent;
93 RTC_LOG(LS_INFO) << "Response Latency:" << stats.average_rtt_ms;
94 }
95
StopTrial(rtc::Thread * thread,StunProber * prober,int result)96 void StopTrial(rtc::Thread* thread, StunProber* prober, int result) {
97 thread->Quit();
98 if (prober) {
99 RTC_LOG(LS_INFO) << "Result: " << result;
100 if (result == StunProber::SUCCESS) {
101 PrintStats(prober);
102 }
103 }
104 }
105
106 } // namespace
107
main(int argc,char * argv[])108 int main(int argc, char* argv[]) {
109 absl::ParseCommandLine(argc, argv);
110
111 std::vector<rtc::SocketAddress> server_addresses;
112 std::istringstream servers(absl::GetFlag(FLAGS_servers));
113 std::string server;
114 while (getline(servers, server, ',')) {
115 rtc::SocketAddress addr;
116 if (!addr.FromString(server)) {
117 RTC_LOG(LS_ERROR) << "Parsing " << server << " failed.";
118 return -1;
119 }
120 server_addresses.push_back(addr);
121 }
122
123 rtc::InitializeSSL();
124 rtc::InitRandom(rtc::Time32());
125 rtc::Thread* thread = rtc::ThreadManager::Instance()->WrapCurrentThread();
126 std::unique_ptr<rtc::BasicPacketSocketFactory> socket_factory(
127 new rtc::BasicPacketSocketFactory());
128 std::unique_ptr<rtc::BasicNetworkManager> network_manager(
129 new rtc::BasicNetworkManager());
130 rtc::NetworkManager::NetworkList networks;
131 network_manager->GetNetworks(&networks);
132 StunProber* prober =
133 new StunProber(socket_factory.get(), rtc::Thread::Current(), networks);
134 auto finish_callback = [thread](StunProber* prober, int result) {
135 StopTrial(thread, prober, result);
136 };
137 prober->Start(server_addresses, absl::GetFlag(FLAGS_shared_socket),
138 absl::GetFlag(FLAGS_interval),
139 absl::GetFlag(FLAGS_pings_per_ip), absl::GetFlag(FLAGS_timeout),
140 AsyncCallback(finish_callback));
141 thread->Run();
142 delete prober;
143 return 0;
144 }
145