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/*
* Copyright 2008 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_NET_HELPERS_H_
#define RTC_BASE_NET_HELPERS_H_
#if defined(WEBRTC_POSIX)
#include <sys/socket.h>
#elif WEBRTC_WIN
#include <winsock2.h> // NOLINT
#endif
#include <vector>
#include "rtc_base/async_resolver_interface.h"
#include "rtc_base/ip_address.h"
#include "rtc_base/signal_thread.h"
#include "rtc_base/socket_address.h"
namespace rtc {
// AsyncResolver will perform async DNS resolution, signaling the result on
// the SignalDone from AsyncResolverInterface when the operation completes.
class AsyncResolver : public SignalThread, public AsyncResolverInterface {
public:
AsyncResolver();
~AsyncResolver() override;
void Start(const SocketAddress& addr) override;
bool GetResolvedAddress(int family, SocketAddress* addr) const override;
int GetError() const override;
void Destroy(bool wait) override;
const std::vector<IPAddress>& addresses() const { return addresses_; }
void set_error(int error) { error_ = error; }
protected:
void DoWork() override;
void OnWorkDone() override;
private:
SocketAddress addr_;
std::vector<IPAddress> addresses_;
int error_;
};
// rtc namespaced wrappers for inet_ntop and inet_pton so we can avoid
// the windows-native versions of these.
const char* inet_ntop(int af, const void* src, char* dst, socklen_t size);
int inet_pton(int af, const char* src, void* dst);
bool HasIPv4Enabled();
bool HasIPv6Enabled();
} // namespace rtc
#endif // RTC_BASE_NET_HELPERS_H_