120 lines
3.3 KiB
C++
120 lines
3.3 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 "mtproto/type_utils.h"
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#include "mtproto/mtp_instance.h"
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namespace MTP {
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namespace details {
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[[nodiscard]] bool paused();
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void pause();
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void unpause();
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[[nodiscard]] rpl::producer<> unpaused();
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} // namespace details
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// send(MTPhelp_GetConfig(), MTP::configDcId(dc)) - for dc enumeration
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constexpr ShiftedDcId configDcId(DcId dcId) {
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return ShiftDcId(dcId, kConfigDcShift);
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}
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// send(MTPauth_LogOut(), MTP::logoutDcId(dc)) - for logout of guest dcs enumeration
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constexpr ShiftedDcId logoutDcId(DcId dcId) {
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return ShiftDcId(dcId, kLogoutDcShift);
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}
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// send(MTPupload_GetFile(), MTP::updaterDcId(dc)) - for autoupdater
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constexpr ShiftedDcId updaterDcId(DcId dcId) {
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return ShiftDcId(dcId, kUpdaterDcShift);
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}
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constexpr auto kUploadSessionsCount = 2;
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constexpr auto kUploadSessionsCountMax = 8;
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namespace details {
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constexpr ShiftedDcId downloadDcId(DcId dcId, int index) {
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Expects(index < kMaxMediaDcCount);
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return ShiftDcId(dcId, kBaseDownloadDcShift + index);
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};
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} // namespace details
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// send(req, callbacks, MTP::downloadDcId(dc, index)) - for download shifted dc id
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inline ShiftedDcId downloadDcId(DcId dcId, int index) {
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return details::downloadDcId(dcId, index);
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}
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inline constexpr bool isDownloadDcId(ShiftedDcId shiftedDcId) {
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return (shiftedDcId >= details::downloadDcId(0, 0))
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&& (shiftedDcId < details::downloadDcId(0, kMaxMediaDcCount - 1) + kDcShift);
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}
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inline bool isCdnDc(MTPDdcOption::Flags flags) {
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return (flags & MTPDdcOption::Flag::f_cdn);
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}
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inline bool isTemporaryDcId(ShiftedDcId shiftedDcId) {
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auto dcId = BareDcId(shiftedDcId);
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return (dcId >= Instance::Fields::kTemporaryMainDc);
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}
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inline DcId getRealIdFromTemporaryDcId(ShiftedDcId shiftedDcId) {
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auto dcId = BareDcId(shiftedDcId);
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return (dcId >= Instance::Fields::kTemporaryMainDc) ? (dcId - Instance::Fields::kTemporaryMainDc) : 0;
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}
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inline DcId getTemporaryIdFromRealDcId(ShiftedDcId shiftedDcId) {
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auto dcId = BareDcId(shiftedDcId);
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return (dcId < Instance::Fields::kTemporaryMainDc) ? (dcId + Instance::Fields::kTemporaryMainDc) : 0;
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}
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namespace details {
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constexpr ShiftedDcId uploadDcId(DcId dcId, int index) {
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static_assert(kUploadSessionsCountMax < kMaxMediaDcCount, "Too large MTPUploadSessionsCount!");
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return ShiftDcId(dcId, kBaseUploadDcShift + index);
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};
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} // namespace details
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// send(req, callbacks, MTP::uploadDcId(index)) - for upload shifted dc id
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// uploading always to the main dc so BareDcId(result) == 0
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inline ShiftedDcId uploadDcId(int index) {
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Expects(index >= 0 && index < kUploadSessionsCountMax);
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return details::uploadDcId(0, index);
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};
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constexpr bool isUploadDcId(ShiftedDcId shiftedDcId) {
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return (shiftedDcId >= details::uploadDcId(0, 0))
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&& (shiftedDcId < details::uploadDcId(0, kUploadSessionsCountMax - 1) + kDcShift);
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}
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inline ShiftedDcId destroyKeyNextDcId(ShiftedDcId shiftedDcId) {
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const auto shift = GetDcIdShift(shiftedDcId);
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return ShiftDcId(BareDcId(shiftedDcId), shift ? (shift + 1) : kDestroyKeyStartDcShift);
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}
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enum {
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DisconnectedState = 0,
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ConnectingState = 1,
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ConnectedState = 2,
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};
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enum {
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RequestSent = 0,
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RequestConnecting = 1,
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RequestSending = 2
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};
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} // namespace MTP
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