Adrien Béraud | 612b55b | 2023-05-29 10:42:04 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004-2023 Savoir-faire Linux Inc. |
| 3 | * |
| 4 | * Author: Eden Abitbol <eden.abitbol@savoirfairelinux.com> |
| 5 | * Author: Mohamed Chibani <mohamed.chibani@savoirfairelinux.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 3 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | */ |
| 21 | #pragma once |
| 22 | |
| 23 | #include <mutex> |
Morteza Namvar | 5f63952 | 2023-07-04 17:08:58 -0400 | [diff] [blame] | 24 | #include <atomic> |
Adrien Béraud | 612b55b | 2023-05-29 10:42:04 -0400 | [diff] [blame] | 25 | |
| 26 | #include "ip_utils.h" |
Morteza Namvar | 5f63952 | 2023-07-04 17:08:58 -0400 | [diff] [blame] | 27 | #include "upnp/mapping.h" |
Adrien Béraud | 612b55b | 2023-05-29 10:42:04 -0400 | [diff] [blame] | 28 | |
| 29 | #ifdef _MSC_VER |
| 30 | typedef uint16_t in_port_t; |
| 31 | #endif |
| 32 | |
Adrien Béraud | 1ae60aa | 2023-07-07 09:55:09 -0400 | [diff] [blame] | 33 | namespace dhtnet { |
Adrien Béraud | 612b55b | 2023-05-29 10:42:04 -0400 | [diff] [blame] | 34 | namespace upnp { |
| 35 | |
| 36 | enum class NatProtocolType { UNKNOWN, PUPNP, NAT_PMP }; |
| 37 | |
| 38 | class IGD |
| 39 | { |
| 40 | public: |
| 41 | // Max error before moving the IGD to invalid state. |
| 42 | constexpr static int MAX_ERRORS_COUNT = 10; |
| 43 | |
| 44 | IGD(NatProtocolType prot); |
| 45 | virtual ~IGD() = default; |
| 46 | bool operator==(IGD& other) const; |
| 47 | |
| 48 | NatProtocolType getProtocol() const { return protocol_; } |
| 49 | |
| 50 | char const* getProtocolName() const |
| 51 | { |
| 52 | return protocol_ == NatProtocolType::NAT_PMP ? "NAT-PMP" : "UPNP"; |
| 53 | }; |
| 54 | |
| 55 | IpAddr getLocalIp() const |
| 56 | { |
| 57 | std::lock_guard<std::mutex> lock(mutex_); |
| 58 | return localIp_; |
| 59 | } |
| 60 | IpAddr getPublicIp() const |
| 61 | { |
| 62 | std::lock_guard<std::mutex> lock(mutex_); |
| 63 | return publicIp_; |
| 64 | } |
| 65 | void setLocalIp(const IpAddr& addr) |
| 66 | { |
| 67 | std::lock_guard<std::mutex> lock(mutex_); |
| 68 | localIp_ = addr; |
| 69 | } |
| 70 | void setPublicIp(const IpAddr& addr) |
| 71 | { |
| 72 | std::lock_guard<std::mutex> lock(mutex_); |
| 73 | publicIp_ = addr; |
| 74 | } |
| 75 | void setUID(const std::string& uid) |
| 76 | { |
| 77 | std::lock_guard<std::mutex> lock(mutex_); |
| 78 | uid_ = uid; |
| 79 | } |
| 80 | std::string getUID() const |
| 81 | { |
| 82 | std::lock_guard<std::mutex> lock(mutex_); |
| 83 | return uid_; |
| 84 | } |
| 85 | |
| 86 | void setValid(bool valid); |
| 87 | bool isValid() const { return valid_; } |
| 88 | bool incrementErrorsCounter(); |
| 89 | int getErrorsCount() const; |
| 90 | |
| 91 | virtual const std::string toString() const = 0; |
| 92 | |
| 93 | protected: |
| 94 | const NatProtocolType protocol_ {NatProtocolType::UNKNOWN}; |
| 95 | std::atomic_bool valid_ {false}; |
| 96 | std::atomic<int> errorsCounter_ {0}; |
| 97 | |
| 98 | mutable std::mutex mutex_; |
| 99 | IpAddr localIp_ {}; // Local IP of the IGD (typically the same as the gateway). |
| 100 | IpAddr publicIp_ {}; // External/public IP of IGD. |
| 101 | std::string uid_ {}; |
| 102 | |
| 103 | private: |
| 104 | IGD(IGD&& other) = delete; |
| 105 | IGD(IGD& other) = delete; |
| 106 | IGD& operator=(IGD&& other) = delete; |
| 107 | IGD& operator=(IGD& other) = delete; |
| 108 | }; |
| 109 | |
| 110 | } // namespace upnp |
| 111 | } // namespace jami |