src/jingle/glue/utils.cc

   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/webrtc/base/byteorder.h"
  15 #include "third_party/webrtc/base/socketaddress.h"
  16 #include "third_party/webrtc/p2p/base/candidate.h"
  17
  18 namespace jingle_glue {
  19
  20 bool IPEndPointToSocketAddress(const net::IPEndPoint& ip_endpoint,
  21                                rtc::SocketAddress* address) {
  22   sockaddr_storage addr;
  23   socklen_t len = sizeof(addr);
  24   return ip_endpoint.ToSockAddr(reinterpret_cast<sockaddr*>(&addr), &len) &&
  25       rtc::SocketAddressFromSockAddrStorage(addr, address);
  26 }
  27
  28 bool SocketAddressToIPEndPoint(const rtc::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
  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
  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 = 0;
  66   std::string type;
  67   std::string protocol;
  68   std::string username;
  69   std::string password;
  70   double preference = 0;
  71   int generation = 0;
  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(rtc::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