mirror of
https://github.com/MGislv/NekoX.git
synced 2024-07-06 23:53:47 +00:00
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/*
|
|
* Copyright 2004 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.
|
|
*/
|
|
|
|
#include "rtc_base/nat_types.h"
|
|
|
|
#include "rtc_base/checks.h"
|
|
|
|
namespace rtc {
|
|
|
|
class SymmetricNAT : public NAT {
|
|
public:
|
|
bool IsSymmetric() override { return true; }
|
|
bool FiltersIP() override { return true; }
|
|
bool FiltersPort() override { return true; }
|
|
};
|
|
|
|
class OpenConeNAT : public NAT {
|
|
public:
|
|
bool IsSymmetric() override { return false; }
|
|
bool FiltersIP() override { return false; }
|
|
bool FiltersPort() override { return false; }
|
|
};
|
|
|
|
class AddressRestrictedNAT : public NAT {
|
|
public:
|
|
bool IsSymmetric() override { return false; }
|
|
bool FiltersIP() override { return true; }
|
|
bool FiltersPort() override { return false; }
|
|
};
|
|
|
|
class PortRestrictedNAT : public NAT {
|
|
public:
|
|
bool IsSymmetric() override { return false; }
|
|
bool FiltersIP() override { return true; }
|
|
bool FiltersPort() override { return true; }
|
|
};
|
|
|
|
NAT* NAT::Create(NATType type) {
|
|
switch (type) {
|
|
case NAT_OPEN_CONE:
|
|
return new OpenConeNAT();
|
|
case NAT_ADDR_RESTRICTED:
|
|
return new AddressRestrictedNAT();
|
|
case NAT_PORT_RESTRICTED:
|
|
return new PortRestrictedNAT();
|
|
case NAT_SYMMETRIC:
|
|
return new SymmetricNAT();
|
|
default:
|
|
RTC_DCHECK_NOTREACHED();
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
} // namespace rtc
|