78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
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/*
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* libjingle
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* Copyright 2008, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_BASE_NETHELPERS_H_
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#define TALK_BASE_NETHELPERS_H_
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#ifdef POSIX
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#include <netdb.h>
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#include <cstddef>
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#elif WIN32
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#include <winsock2.h> // NOLINT
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#endif
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#include <list>
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#include "talk/base/signalthread.h"
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#include "talk/base/sigslot.h"
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#include "talk/base/socketaddress.h"
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namespace talk_base {
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// AsyncResolver will perform async DNS resolution, signaling the result on
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// the inherited SignalWorkDone when the operation completes.
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class AsyncResolver : public SignalThread {
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public:
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AsyncResolver();
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const SocketAddress& address() const { return addr_; }
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const std::vector<IPAddress>& addresses() const { return addresses_; }
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void set_address(const SocketAddress& addr) { addr_ = addr; }
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int error() const { return error_; }
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void set_error(int error) { error_ = error; }
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protected:
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virtual void DoWork();
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virtual void OnWorkDone();
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private:
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SocketAddress addr_;
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std::vector<IPAddress> addresses_;
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int error_;
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};
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// talk_base namespaced wrappers for inet_ntop and inet_pton so we can avoid
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// the windows-native versions of these.
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const char* inet_ntop(int af, const void *src, char* dst, socklen_t size);
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int inet_pton(int af, const char* src, void *dst);
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bool HasIPv6Enabled();
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} // namespace talk_base
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#endif // TALK_BASE_NETHELPERS_H_
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