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/*
* Copyright 2015 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 <memory>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include "absl/flags/flag.h"
#include "absl/flags/parse.h"
#include "p2p/base/basic_packet_socket_factory.h"
#include "p2p/stunprober/stun_prober.h"
#include "rtc_base/helpers.h"
#include "rtc_base/logging.h"
#include "rtc_base/network.h"
#include "rtc_base/socket_address.h"
#include "rtc_base/ssl_adapter.h"
#include "rtc_base/thread.h"
#include "rtc_base/time_utils.h"
using stunprober::AsyncCallback;
using stunprober::StunProber;
ABSL_FLAG(int,
interval,
10,
"Interval of consecutive stun pings in milliseconds");
ABSL_FLAG(bool,
shared_socket,
false,
"Share socket mode for different remote IPs");
ABSL_FLAG(int,
pings_per_ip,
10,
"Number of consecutive stun pings to send for each IP");
ABSL_FLAG(int,
timeout,
1000,
"Milliseconds of wait after the last ping sent before exiting");
ABSL_FLAG(
std::string,
servers,
"stun.l.google.com:19302,stun1.l.google.com:19302,stun2.l.google.com:19302",
"Comma separated STUN server addresses with ports");
namespace {
const char* PrintNatType(stunprober::NatType type) {
switch (type) {
case stunprober::NATTYPE_NONE:
return "Not behind a NAT";
case stunprober::NATTYPE_UNKNOWN:
return "Unknown NAT type";
case stunprober::NATTYPE_SYMMETRIC:
return "Symmetric NAT";
case stunprober::NATTYPE_NON_SYMMETRIC:
return "Non-Symmetric NAT";
default:
return "Invalid";
}
}
void PrintStats(StunProber* prober) {
StunProber::Stats stats;
if (!prober->GetStats(&stats)) {
RTC_LOG(LS_WARNING) << "Results are inconclusive.";
return;
}
RTC_LOG(LS_INFO) << "Shared Socket Mode: " << stats.shared_socket_mode;
RTC_LOG(LS_INFO) << "Requests sent: " << stats.num_request_sent;
RTC_LOG(LS_INFO) << "Responses received: " << stats.num_response_received;
RTC_LOG(LS_INFO) << "Target interval (ns): "
<< stats.target_request_interval_ns;
RTC_LOG(LS_INFO) << "Actual interval (ns): "
<< stats.actual_request_interval_ns;
RTC_LOG(LS_INFO) << "NAT Type: " << PrintNatType(stats.nat_type);
RTC_LOG(LS_INFO) << "Host IP: " << stats.host_ip;
RTC_LOG(LS_INFO) << "Server-reflexive ips: ";
for (auto& ip : stats.srflx_addrs) {
RTC_LOG(LS_INFO) << "\t" << ip;
}
RTC_LOG(LS_INFO) << "Success Precent: " << stats.success_percent;
RTC_LOG(LS_INFO) << "Response Latency:" << stats.average_rtt_ms;
}
void StopTrial(rtc::Thread* thread, StunProber* prober, int result) {
thread->Quit();
if (prober) {
RTC_LOG(LS_INFO) << "Result: " << result;
if (result == StunProber::SUCCESS) {
PrintStats(prober);
}
}
}
} // namespace
int main(int argc, char* argv[]) {
absl::ParseCommandLine(argc, argv);
std::vector<rtc::SocketAddress> server_addresses;
std::istringstream servers(absl::GetFlag(FLAGS_servers));
std::string server;
while (getline(servers, server, ',')) {
rtc::SocketAddress addr;
if (!addr.FromString(server)) {
RTC_LOG(LS_ERROR) << "Parsing " << server << " failed.";
return -1;
}
server_addresses.push_back(addr);
}
rtc::InitializeSSL();
rtc::InitRandom(rtc::Time32());
rtc::Thread* thread = rtc::ThreadManager::Instance()->WrapCurrentThread();
std::unique_ptr<rtc::BasicPacketSocketFactory> socket_factory(
new rtc::BasicPacketSocketFactory());
std::unique_ptr<rtc::BasicNetworkManager> network_manager(
new rtc::BasicNetworkManager());
rtc::NetworkManager::NetworkList networks;
network_manager->GetNetworks(&networks);
StunProber* prober =
new StunProber(socket_factory.get(), rtc::Thread::Current(), networks);
auto finish_callback = [thread](StunProber* prober, int result) {
StopTrial(thread, prober, result);
};
prober->Start(server_addresses, absl::GetFlag(FLAGS_shared_socket),
absl::GetFlag(FLAGS_interval),
absl::GetFlag(FLAGS_pings_per_ip), absl::GetFlag(FLAGS_timeout),
AsyncCallback(finish_callback));
thread->Run();
delete prober;
return 0;
}
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