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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 
18 namespace jingle_glue {
19 
IPEndPointToSocketAddress(const net::IPEndPoint & ip_endpoint,talk_base::SocketAddress * address)20 bool 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 
SocketAddressToIPEndPoint(const talk_base::SocketAddress & address,net::IPEndPoint * ip_endpoint)28 bool 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 
SerializeP2PCandidate(const cricket::Candidate & candidate)36 std::string SerializeP2PCandidate(const cricket::Candidate& candidate) {
37   // TODO(sergeyu): Use SDP to format candidates?
38   base::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 
DeserializeP2PCandidate(const std::string & candidate_str,cricket::Candidate * candidate)53 bool DeserializeP2PCandidate(const std::string& candidate_str,
54                              cricket::Candidate* candidate) {
55   scoped_ptr<base::Value> value(
56       base::JSONReader::Read(candidate_str, base::JSON_ALLOW_TRAILING_COMMAS));
57   if (!value.get() || !value->IsType(base::Value::TYPE_DICTIONARY)) {
58     return false;
59   }
60 
61   base::DictionaryValue* dic_value =
62       static_cast<base::DictionaryValue*>(value.get());
63 
64   std::string ip;
65   int port;
66   std::string type;
67   std::string protocol;
68   std::string username;
69   std::string password;
70   double preference;
71   int generation;
72 
73   if (!dic_value->GetString("ip", &ip) ||
74       !dic_value->GetInteger("port", &port) ||
75       !dic_value->GetString("type", &type) ||
76       !dic_value->GetString("protocol", &protocol) ||
77       !dic_value->GetString("username", &username) ||
78       !dic_value->GetString("password", &password) ||
79       !dic_value->GetDouble("preference", &preference) ||
80       !dic_value->GetInteger("generation", &generation)) {
81     return false;
82   }
83 
84   candidate->set_address(talk_base::SocketAddress(ip, port));
85   candidate->set_type(type);
86   candidate->set_protocol(protocol);
87   candidate->set_username(username);
88   candidate->set_password(password);
89   candidate->set_preference(static_cast<float>(preference));
90   candidate->set_generation(generation);
91 
92   return true;
93 }
94 
95 }  // namespace jingle_glue
96