108 lines
2.6 KiB
C++
108 lines
2.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "base/observer.h"
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#include "mtproto/rsa_public_key.h"
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#include <string>
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#include <vector>
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#include <map>
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namespace MTP {
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enum class DcType {
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Regular,
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Temporary,
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MediaDownload,
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Cdn,
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};
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class DcOptions {
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public:
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// construct methods don't notify "changed" subscribers.
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void constructFromSerialized(const QByteArray &serialized);
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void constructFromBuiltIn();
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void constructAddOne(int id, MTPDdcOption::Flags flags, const std::string &ip, int port);
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QByteArray serialize() const;
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using Ids = std::vector<DcId>;
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base::Observable<Ids> &changed() const {
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return _changed;
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}
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void setFromList(const MTPVector<MTPDcOption> &options);
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void addFromList(const MTPVector<MTPDcOption> &options);
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void addFromOther(DcOptions &&options);
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Ids configEnumDcIds() const;
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struct Endpoint {
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std::string ip;
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int port = 0;
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MTPDdcOption::Flags flags = 0;
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};
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struct Variants {
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enum {
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IPv4 = 0,
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IPv6 = 1,
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AddressTypeCount = 2,
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};
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enum {
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Tcp = 0,
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Http = 1,
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ProtocolCount = 2,
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};
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Endpoint data[AddressTypeCount][ProtocolCount];
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};
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Variants lookup(DcId dcId, DcType type) const;
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DcType dcType(ShiftedDcId shiftedDcId) const;
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void setCDNConfig(const MTPDcdnConfig &config);
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bool hasCDNKeysForDc(DcId dcId) const;
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bool getDcRSAKey(DcId dcId, const QVector<MTPlong> &fingerprints, internal::RSAPublicKey *result) const;
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// Debug feature for now.
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bool loadFromFile(const QString &path);
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bool writeToFile(const QString &path) const;
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private:
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struct Option {
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Option(DcId id, MTPDdcOption::Flags flags, const std::string &ip, int port) : id(id), flags(flags), ip(ip), port(port) {
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}
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DcId id;
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MTPDdcOption::Flags flags;
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std::string ip;
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int port;
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};
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bool applyOneGuarded(DcId dcId, MTPDdcOption::Flags flags, const std::string &ip, int port);
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void processFromList(const QVector<MTPDcOption> &options, bool overwrite);
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void computeCdnDcIds();
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void readBuiltInPublicKeys();
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class WriteLocker;
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friend class WriteLocker;
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class ReadLocker;
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friend class ReadLocker;
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std::map<ShiftedDcId, Option> _data;
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std::set<DcId> _cdnDcIds;
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std::map<uint64, internal::RSAPublicKey> _publicKeys;
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std::map<DcId, std::map<uint64, internal::RSAPublicKey>> _cdnPublicKeys;
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mutable QReadWriteLock _useThroughLockers;
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mutable base::Observable<Ids> _changed;
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// True when we have overriden options from a .tdesktop-endpoints file.
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bool _immutable = false;
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};
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} // namespace MTP
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