279 lines
11 KiB
C++
279 lines
11 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/FileReferenceManager.h"
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#include "td/telegram/AnimationsManager.h"
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#include "td/telegram/ContactsManager.h"
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#include "td/telegram/files/FileManager.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/MessagesManager.h"
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#include "td/telegram/WallpaperManager.h"
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#include "td/telegram/WebPagesManager.h"
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#include "td/utils/logging.h"
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#include "td/utils/misc.h"
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#include "td/utils/overloaded.h"
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namespace td {
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int VERBOSITY_NAME(file_references) = VERBOSITY_NAME(WARNING);
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bool FileReferenceManager::is_file_reference_error(const Status &error) {
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return error.is_error() && error.code() == 400 && begins_with(error.message(), "FILE_REFERENCE_");
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}
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/*
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fileSourceMessage chat_id:int53 message_id:int53 = FileSource; // repaired with get_messages_from_server
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fileSourceUserProfilePhoto user_id:int32 photo_id:int64 = FileSource; // repaired with photos.getUserPhotos
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fileSourceBasicGroupPhoto basic_group_id:int32 = FileSource; // repaired with messages.getChats
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fileSourceSupergroupPhoto supergroup_id:int32 = FileSource; // repaired with channels.getChannels
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fileSourceWebPage url:string = FileSource; // repaired with messages.getWebPage
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fileSourceWallpapers = FileSource; // repaired with account.getWallPapers
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fileSourceSavedAnimations = FileSource; // repaired with messages.getSavedGifs
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*/
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FileSourceId FileReferenceManager::get_current_file_source_id() const {
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return FileSourceId(narrow_cast<int32>(file_sources_.size()));
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}
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template <class T>
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FileSourceId FileReferenceManager::add_file_source_id(T source, Slice source_str) {
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file_sources_.emplace_back(std::move(source));
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VLOG(file_references) << "Create file source " << file_sources_.size() << " for " << source_str;
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return get_current_file_source_id();
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}
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FileSourceId FileReferenceManager::create_message_file_source(FullMessageId full_message_id) {
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FileSourceMessage source{full_message_id};
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return add_file_source_id(source, PSLICE() << full_message_id);
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}
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FileSourceId FileReferenceManager::create_user_photo_file_source(UserId user_id, int64 photo_id) {
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FileSourceUserPhoto source{photo_id, user_id};
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return add_file_source_id(source, PSLICE() << "photo " << photo_id << " of " << user_id);
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}
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FileSourceId FileReferenceManager::create_chat_photo_file_source(ChatId chat_id) {
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FileSourceChatPhoto source{chat_id};
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return add_file_source_id(source, PSLICE() << "photo of " << chat_id);
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}
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FileSourceId FileReferenceManager::create_channel_photo_file_source(ChannelId channel_id) {
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FileSourceChannelPhoto source{channel_id};
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return add_file_source_id(source, PSLICE() << "photo of " << channel_id);
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}
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FileSourceId FileReferenceManager::create_wallpapers_file_source() {
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FileSourceWallpapers source;
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return add_file_source_id(source, "wallpapers");
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}
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FileSourceId FileReferenceManager::create_web_page_file_source(string url) {
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FileSourceWebPage source{std::move(url)};
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auto source_str = PSTRING() << "web page of " << source.url;
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return add_file_source_id(std::move(source), source_str);
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}
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FileSourceId FileReferenceManager::create_saved_animations_file_source() {
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FileSourceSavedAnimations source;
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return add_file_source_id(source, "saved animations");
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}
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void FileReferenceManager::add_file_source(NodeId node_id, FileSourceId file_source_id) {
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VLOG(file_references) << "Add " << file_source_id << " for file " << node_id;
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nodes_[node_id].file_source_ids.add(file_source_id);
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}
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void FileReferenceManager::remove_file_source(NodeId node_id, FileSourceId file_source_id) {
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VLOG(file_references) << "Remove " << file_source_id << " from file " << node_id;
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nodes_[node_id].file_source_ids.remove(file_source_id);
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}
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void FileReferenceManager::merge(NodeId to_node_id, NodeId from_node_id) {
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auto from_it = nodes_.find(from_node_id);
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if (from_it == nodes_.end()) {
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return;
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}
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auto &to = nodes_[to_node_id];
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auto &from = from_it->second;
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VLOG(file_references) << "Merge " << to.file_source_ids.size() << " and " << from.file_source_ids.size()
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<< " sources of files " << to_node_id << " and " << from_node_id;
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CHECK(!to.query || to.query->proxy.empty());
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CHECK(!from.query || from.query->proxy.empty());
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if (to.query || from.query) {
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if (!to.query) {
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to.query = make_unique<Query>();
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to.query->generation = ++query_generation_;
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}
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if (from.query) {
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combine(to.query->promises, std::move(from.query->promises));
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to.query->active_queries += from.query->active_queries;
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from.query->proxy = {to_node_id, to.query->generation};
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}
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}
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to.file_source_ids.merge(std::move(from.file_source_ids));
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run_node(to_node_id);
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run_node(from_node_id);
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}
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void FileReferenceManager::run_node(NodeId node_id) {
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Node &node = nodes_[node_id];
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if (!node.query) {
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return;
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}
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if (node.query->active_queries != 0) {
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return;
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}
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VLOG(file_references) << "Trying to repair file reference for file " << node_id;
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if (node.query->promises.empty()) {
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node.query = {};
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return;
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}
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if (!node.file_source_ids.has_next()) {
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VLOG(file_references) << "Have no more file sources to repair file reference for file " << node_id;
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for (auto &p : node.query->promises) {
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if (node.file_source_ids.empty()) {
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p.set_error(Status::Error(400, "File not found"));
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} else {
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p.set_error(Status::Error(429, "Too Many Requests: retry after 1"));
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}
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}
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node.query = {};
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return;
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}
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auto file_source_id = node.file_source_ids.next();
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send_query({node_id, node.query->generation}, file_source_id);
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}
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void FileReferenceManager::send_query(Destination dest, FileSourceId file_source_id) {
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VLOG(file_references) << "Send file references repair query for file " << dest.node_id << " with generation "
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<< dest.generation << " from " << file_source_id;
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auto &node = nodes_[dest.node_id];
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node.query->active_queries++;
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auto promise = PromiseCreator::lambda([dest, file_source_id, file_reference_manager = G()->file_reference_manager(),
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file_manager = G()->file_manager()](Result<Unit> result) mutable {
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if (G()->close_flag()) {
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VLOG(file_references) << "Ignore file reference repair from " << file_source_id << " during closing";
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return;
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}
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auto new_promise =
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PromiseCreator::lambda([dest, file_source_id, file_reference_manager](Result<Unit> result) mutable {
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if (G()->close_flag()) {
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VLOG(file_references) << "Ignore file reference repair from " << file_source_id << " during closing";
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return;
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}
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Status status;
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if (result.is_error()) {
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status = result.move_as_error();
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}
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send_closure(file_reference_manager, &FileReferenceManager::on_query_result, dest, file_source_id,
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std::move(status), 0);
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});
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if (result.is_error()) {
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new_promise.set_result(std::move(result));
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}
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send_lambda(file_manager, [file_manager, dest, new_promise = std::move(new_promise)]() mutable {
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auto view = file_manager.get_actor_unsafe()->get_file_view(dest.node_id);
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CHECK(!view.empty());
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if (view.has_active_remote_location()) {
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new_promise.set_value({});
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} else {
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new_promise.set_error(Status::Error("No active remote location"));
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}
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});
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});
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auto index = static_cast<size_t>(file_source_id.get()) - 1;
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CHECK(index < file_sources_.size());
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file_sources_[index].visit(overloaded(
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[&](const FileSourceMessage &source) {
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send_closure_later(G()->messages_manager(), &MessagesManager::get_messages_from_server,
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vector<FullMessageId>{source.full_message_id}, std::move(promise), nullptr);
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},
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[&](const FileSourceUserPhoto &source) {
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send_closure_later(G()->contacts_manager(), &ContactsManager::reload_user_profile_photo, source.user_id,
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source.photo_id, std::move(promise));
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},
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[&](const FileSourceChatPhoto &source) {
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send_closure_later(G()->contacts_manager(), &ContactsManager::reload_chat, source.chat_id, std::move(promise));
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},
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[&](const FileSourceChannelPhoto &source) {
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send_closure_later(G()->contacts_manager(), &ContactsManager::reload_channel, source.channel_id,
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std::move(promise));
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},
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[&](const FileSourceWallpapers &source) {
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send_closure_later(G()->wallpaper_manager(), &WallpaperManager::reload_wallpapers, std::move(promise));
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},
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[&](const FileSourceWebPage &source) {
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send_closure_later(G()->web_pages_manager(), &WebPagesManager::reload_web_page_by_url, source.url,
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std::move(promise));
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},
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[&](const FileSourceSavedAnimations &source) {
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send_closure_later(G()->animations_manager(), &AnimationsManager::reload_saved_animations_force,
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std::move(promise));
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}));
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}
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FileReferenceManager::Destination FileReferenceManager::on_query_result(Destination dest, FileSourceId file_source_id,
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Status status, int32 sub) {
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VLOG(file_references) << "Receive result of file references repair query for file " << dest.node_id
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<< " with generation " << dest.generation << " from " << file_source_id << ": " << status << " "
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<< sub;
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auto &node = nodes_[dest.node_id];
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auto query = node.query.get();
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if (!query) {
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return dest;
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}
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if (query->generation != dest.generation) {
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return dest;
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}
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query->active_queries--;
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CHECK(query->active_queries >= 0);
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if (!query->proxy.empty()) {
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query->active_queries -= sub;
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CHECK(query->active_queries >= 0);
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auto new_proxy = on_query_result(query->proxy, file_source_id, std::move(status), query->active_queries);
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query->proxy = new_proxy;
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run_node(dest.node_id);
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return new_proxy;
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}
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if (status.is_ok()) {
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for (auto &p : query->promises) {
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p.set_value(Unit());
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}
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node.query = {};
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}
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if (status.is_error() && status.error().code() != 429 && status.error().code() < 500 && !G()->close_flag()) {
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VLOG(file_references) << "Invalid " << file_source_id << " " << status;
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remove_file_source(dest.node_id, file_source_id);
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}
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run_node(dest.node_id);
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return dest;
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}
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void FileReferenceManager::repair_file_reference(NodeId node_id, Promise<> promise) {
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VLOG(file_references) << "Repair file reference for file " << node_id;
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auto &node = nodes_[node_id];
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if (!node.query) {
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node.query = make_unique<Query>();
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node.query->generation = ++query_generation_;
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node.file_source_ids.reset_position();
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VLOG(file_references) << "Create new file reference repair query with " << query_generation_;
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}
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node.query->promises.push_back(std::move(promise));
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run_node(node_id);
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}
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} // namespace td
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