1/*
2 *  Copyright 2012 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 "webrtc/examples/peerconnection/client/defaults.h"
12
13#include <stdlib.h>
14#include <string.h>
15
16#ifdef WIN32
17#include <winsock2.h>
18#else
19#include <unistd.h>
20#endif
21
22#include "webrtc/base/arraysize.h"
23#include "webrtc/base/common.h"
24
25const char kAudioLabel[] = "audio_label";
26const char kVideoLabel[] = "video_label";
27const char kStreamLabel[] = "stream_label";
28const uint16_t kDefaultServerPort = 8888;
29
30std::string GetEnvVarOrDefault(const char* env_var_name,
31                               const char* default_value) {
32  std::string value;
33  const char* env_var = getenv(env_var_name);
34  if (env_var)
35    value = env_var;
36
37  if (value.empty())
38    value = default_value;
39
40  return value;
41}
42
43std::string GetPeerConnectionString() {
44  return GetEnvVarOrDefault("WEBRTC_CONNECT", "stun:stun.l.google.com:19302");
45}
46
47std::string GetDefaultServerName() {
48  return GetEnvVarOrDefault("WEBRTC_SERVER", "localhost");
49}
50
51std::string GetPeerName() {
52  char computer_name[256];
53  std::string ret(GetEnvVarOrDefault("USERNAME", "user"));
54  ret += '@';
55  if (gethostname(computer_name, arraysize(computer_name)) == 0) {
56    ret += computer_name;
57  } else {
58    ret += "host";
59  }
60  return ret;
61}
62