1/*
2 * libjingle
3 * Copyright 2012, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "talk/examples/peerconnection/client/defaults.h"
29
30#include <stdlib.h>
31#include <string.h>
32
33#ifdef WIN32
34#include <winsock2.h>
35#else
36#include <unistd.h>
37#endif
38
39#include "webrtc/base/common.h"
40
41const char kAudioLabel[] = "audio_label";
42const char kVideoLabel[] = "video_label";
43const char kStreamLabel[] = "stream_label";
44const uint16 kDefaultServerPort = 8888;
45
46std::string GetEnvVarOrDefault(const char* env_var_name,
47                               const char* default_value) {
48  std::string value;
49  const char* env_var = getenv(env_var_name);
50  if (env_var)
51    value = env_var;
52
53  if (value.empty())
54    value = default_value;
55
56  return value;
57}
58
59std::string GetPeerConnectionString() {
60  return GetEnvVarOrDefault("WEBRTC_CONNECT", "stun:stun.l.google.com:19302");
61}
62
63std::string GetDefaultServerName() {
64  return GetEnvVarOrDefault("WEBRTC_SERVER", "localhost");
65}
66
67std::string GetPeerName() {
68  char computer_name[256];
69  if (gethostname(computer_name, ARRAY_SIZE(computer_name)) != 0)
70    strcpy(computer_name, "host");
71  std::string ret(GetEnvVarOrDefault("USERNAME", "user"));
72  ret += '@';
73  ret += computer_name;
74  return ret;
75}
76