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// Copyright 2012 The Chromium Authors
// 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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