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- // Copyright (c) 2012 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "components/webrtc/net_address_utils.h"
- #include <stdint.h>
- #include <memory>
- #include "base/json/json_reader.h"
- #include "base/json/json_writer.h"
- #include "base/values.h"
- #include "net/base/ip_address.h"
- #include "net/base/ip_endpoint.h"
- #include "third_party/webrtc/api/candidate.h"
- #include "third_party/webrtc/rtc_base/byte_order.h"
- #include "third_party/webrtc/rtc_base/socket_address.h"
- namespace webrtc {
- bool IPEndPointToSocketAddress(const net::IPEndPoint& ip_endpoint,
- rtc::SocketAddress* address) {
- sockaddr_storage addr;
- socklen_t len = sizeof(addr);
- return ip_endpoint.ToSockAddr(reinterpret_cast<sockaddr*>(&addr), &len) &&
- rtc::SocketAddressFromSockAddrStorage(addr, address);
- }
- bool SocketAddressToIPEndPoint(const rtc::SocketAddress& address,
- net::IPEndPoint* ip_endpoint) {
- sockaddr_storage addr;
- int size = address.ToSockAddrStorage(&addr);
- return (size > 0) &&
- ip_endpoint->FromSockAddr(reinterpret_cast<sockaddr*>(&addr), size);
- }
- rtc::IPAddress NetIPAddressToRtcIPAddress(const net::IPAddress& ip_address) {
- if (ip_address.IsIPv4()) {
- uint32_t address;
- memcpy(&address, ip_address.bytes().data(), sizeof(uint32_t));
- address = rtc::NetworkToHost32(address);
- return rtc::IPAddress(address);
- }
- if (ip_address.IsIPv6()) {
- in6_addr address;
- memcpy(&address, ip_address.bytes().data(), sizeof(in6_addr));
- return rtc::IPAddress(address);
- }
- return rtc::IPAddress();
- }
- net::IPAddress RtcIPAddressToNetIPAddress(const rtc::IPAddress& ip_address) {
- rtc::SocketAddress socket_address(ip_address, 0);
- net::IPEndPoint ip_endpoint;
- webrtc::SocketAddressToIPEndPoint(socket_address, &ip_endpoint);
- return ip_endpoint.address();
- }
- std::string SerializeP2PCandidate(const cricket::Candidate& candidate) {
- // TODO(sergeyu): Use SDP to format candidates?
- base::Value::Dict value;
- value.Set("ip", candidate.address().ipaddr().ToString());
- value.Set("port", candidate.address().port());
- value.Set("type", candidate.type());
- value.Set("protocol", candidate.protocol());
- value.Set("username", candidate.username());
- value.Set("password", candidate.password());
- value.Set("preference", candidate.preference());
- value.Set("generation", static_cast<int>(candidate.generation()));
- std::string result;
- base::JSONWriter::Write(value, &result);
- return result;
- }
- bool DeserializeP2PCandidate(const std::string& candidate_str,
- cricket::Candidate* candidate) {
- absl::optional<base::Value> value(
- base::JSONReader::Read(candidate_str, base::JSON_ALLOW_TRAILING_COMMAS));
- if (!value || !value->is_dict()) {
- return false;
- }
- base::Value::Dict& dic_value = value->GetDict();
- std::string* ip = dic_value.FindString("ip");
- absl::optional<int> port = dic_value.FindInt("port");
- std::string* type = dic_value.FindString("type");
- std::string* protocol = dic_value.FindString("protocol");
- std::string* username = dic_value.FindString("username");
- std::string* password = dic_value.FindString("password");
- absl::optional<double> preference = dic_value.FindDouble("preference");
- absl::optional<int> generation = dic_value.FindInt("generation");
- if (!ip || !port || !type || !protocol || !username || !password ||
- !preference || !generation) {
- return false;
- }
- candidate->set_address(rtc::SocketAddress(std::move(*ip), *port));
- candidate->set_type(std::move(*type));
- candidate->set_protocol(std::move(*protocol));
- candidate->set_username(std::move(*username));
- candidate->set_password(std::move(*password));
- candidate->set_preference(static_cast<float>(*preference));
- candidate->set_generation(*generation);
- return true;
- }
- } // namespace webrtc
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