utils.cc revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "jingle/glue/utils.h"
6
7#include "base/json/json_reader.h"
8#include "base/json/json_writer.h"
9#include "base/logging.h"
10#include "base/memory/scoped_ptr.h"
11#include "base/values.h"
12#include "net/base/ip_endpoint.h"
13#include "net/base/net_util.h"
14#include "third_party/libjingle/source/talk/base/byteorder.h"
15#include "third_party/libjingle/source/talk/base/socketaddress.h"
16#include "third_party/libjingle/source/talk/p2p/base/candidate.h"
17
18namespace jingle_glue {
19
20bool IPEndPointToSocketAddress(const net::IPEndPoint& ip_endpoint,
21                               talk_base::SocketAddress* address) {
22  sockaddr_storage addr;
23  socklen_t len = sizeof(addr);
24  return ip_endpoint.ToSockAddr(reinterpret_cast<sockaddr*>(&addr), &len) &&
25      talk_base::SocketAddressFromSockAddrStorage(addr, address);
26}
27
28bool SocketAddressToIPEndPoint(const talk_base::SocketAddress& address,
29                               net::IPEndPoint* ip_endpoint) {
30  sockaddr_storage addr;
31  int size = address.ToSockAddrStorage(&addr);
32  return (size > 0) &&
33      ip_endpoint->FromSockAddr(reinterpret_cast<sockaddr*>(&addr), size);
34}
35
36std::string SerializeP2PCandidate(const cricket::Candidate& candidate) {
37  // TODO(sergeyu): Use SDP to format candidates?
38  DictionaryValue value;
39  value.SetString("ip", candidate.address().ipaddr().ToString());
40  value.SetInteger("port", candidate.address().port());
41  value.SetString("type", candidate.type());
42  value.SetString("protocol", candidate.protocol());
43  value.SetString("username", candidate.username());
44  value.SetString("password", candidate.password());
45  value.SetDouble("preference", candidate.preference());
46  value.SetInteger("generation", candidate.generation());
47
48  std::string result;
49  base::JSONWriter::Write(&value, &result);
50  return result;
51}
52
53bool DeserializeP2PCandidate(const std::string& candidate_str,
54                             cricket::Candidate* candidate) {
55  scoped_ptr<Value> value(
56      base::JSONReader::Read(candidate_str, base::JSON_ALLOW_TRAILING_COMMAS));
57  if (!value.get() || !value->IsType(Value::TYPE_DICTIONARY)) {
58    return false;
59  }
60
61  DictionaryValue* dic_value = static_cast<DictionaryValue*>(value.get());
62
63  std::string ip;
64  int port;
65  std::string type;
66  std::string protocol;
67  std::string username;
68  std::string password;
69  double preference;
70  int generation;
71
72  if (!dic_value->GetString("ip", &ip) ||
73      !dic_value->GetInteger("port", &port) ||
74      !dic_value->GetString("type", &type) ||
75      !dic_value->GetString("protocol", &protocol) ||
76      !dic_value->GetString("username", &username) ||
77      !dic_value->GetString("password", &password) ||
78      !dic_value->GetDouble("preference", &preference) ||
79      !dic_value->GetInteger("generation", &generation)) {
80    return false;
81  }
82
83  candidate->set_address(talk_base::SocketAddress(ip, port));
84  candidate->set_type(type);
85  candidate->set_protocol(protocol);
86  candidate->set_username(username);
87  candidate->set_password(password);
88  candidate->set_preference(static_cast<float>(preference));
89  candidate->set_generation(generation);
90
91  return true;
92}
93
94}  // namespace jingle_glue
95