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/*
* libjingle
* Copyright 2008, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TALK_BASE_NETHELPERS_H_
#define TALK_BASE_NETHELPERS_H_
#ifdef POSIX
#include <netdb.h>
#include <cstddef>
#elif WIN32
#include <winsock2.h> // NOLINT
#endif
#include <list>
#include "talk/base/asyncresolverinterface.h"
#include "talk/base/signalthread.h"
#include "talk/base/sigslot.h"
#include "talk/base/socketaddress.h"
namespace talk_base {
class AsyncResolverTest;
// 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();
virtual ~AsyncResolver() {}
virtual void Start(const SocketAddress& addr);
virtual bool GetResolvedAddress(int family, SocketAddress* addr) const;
virtual int GetError() const { return error_; }
virtual void Destroy(bool wait) { SignalThread::Destroy(wait); }
const std::vector<IPAddress>& addresses() const { return addresses_; }
void set_error(int error) { error_ = error; }
protected:
virtual void DoWork();
virtual void OnWorkDone();
private:
SocketAddress addr_;
std::vector<IPAddress> addresses_;
int error_;
};
// talk_base 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 HasIPv6Enabled();
} // namespace talk_base
#endif // TALK_BASE_NETHELPERS_H_
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