mirror of
https://github.com/tdlight-team/tdlight-telegram-bot-api.git
synced 2024-08-28 10:05:27 +02:00
593 lines
22 KiB
C++
593 lines
22 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
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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 "telegram-bot-api/ClientManager.h"
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#include "telegram-bot-api/ClientParameters.h"
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#include "telegram-bot-api/WebhookActor.h"
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#include "td/telegram/ClientActor.h"
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#include "td/telegram/td_api.h"
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#include "td/db/binlog/Binlog.h"
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#include "td/db/binlog/ConcurrentBinlog.h"
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#include "td/db/BinlogKeyValue.h"
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#include "td/db/DbKey.h"
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#include "td/db/TQueue.h"
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#include "td/net/HttpFile.h"
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#include "td/actor/MultiPromise.h"
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#include "td/utils/common.h"
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#include "td/utils/format.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/Parser.h"
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#include "td/utils/port/IPAddress.h"
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#include "td/utils/port/Stat.h"
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#include "td/utils/port/thread.h"
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#include "td/utils/Slice.h"
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#include "td/utils/SliceBuilder.h"
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#include "td/utils/StackAllocator.h"
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#include "td/utils/StringBuilder.h"
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#include "td/utils/Time.h"
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#include "memprof/memprof.h"
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#include <algorithm>
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#include <atomic>
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#include <tuple>
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namespace telegram_bot_api {
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void ClientManager::close(td::Promise<td::Unit> &&promise) {
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close_promises_.push_back(std::move(promise));
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if (close_flag_) {
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return;
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}
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close_flag_ = true;
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watchdog_id_.reset();
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dump_statistics();
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auto ids = clients_.ids();
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for (auto id : ids) {
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auto *client_info = clients_.get(id);
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CHECK(client_info);
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send_closure(client_info->client_, &Client::close);
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}
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if (ids.empty()) {
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close_db();
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}
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}
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void ClientManager::send(PromisedQueryPtr query) {
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if (close_flag_) {
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// automatically send 429
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return;
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}
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td::string token = query->token().str();
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if (token[0] == '0' || token.size() > 80u || token.find('/') != td::string::npos ||
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token.find(':') == td::string::npos) {
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return fail_query(401, "Unauthorized: invalid token specified", std::move(query));
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}
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auto r_user_id = td::to_integer_safe<td::int64>(query->token().substr(0, token.find(':')));
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if (r_user_id.is_error() || !token_range_(r_user_id.ok())) {
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return fail_query(421, "Misdirected Request: unallowed token specified", std::move(query));
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}
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auto user_id = r_user_id.ok();
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if (user_id <= 0 || user_id >= (static_cast<td::int64>(1) << 54)) {
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return fail_query(401, "Unauthorized: invalid token specified", std::move(query));
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}
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if (query->is_test_dc()) {
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token += "/test";
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}
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auto id_it = token_to_id_.find(token);
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if (id_it == token_to_id_.end()) {
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td::string ip_address = query->get_peer_ip_address();
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if (!ip_address.empty()) {
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td::IPAddress tmp;
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tmp.init_host_port(ip_address, 0).ignore();
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tmp.clear_ipv6_interface();
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if (tmp.is_valid()) {
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ip_address = tmp.get_ip_str().str();
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}
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}
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LOG(DEBUG) << "Receive incoming query for new bot " << token << " from " << ip_address;
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if (!ip_address.empty()) {
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LOG(DEBUG) << "Check Client creation flood control for IP address " << ip_address;
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auto res = flood_controls_.emplace(std::move(ip_address), td::FloodControlFast());
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auto &flood_control = res.first->second;
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if (res.second) {
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flood_control.add_limit(60, 20); // 20 in a minute
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flood_control.add_limit(60 * 60, 600); // 600 in an hour
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}
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auto now = td::Time::now();
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auto wakeup_at = flood_control.get_wakeup_at();
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if (wakeup_at > now) {
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LOG(INFO) << "Failed to create Client from IP address " << ip_address;
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return query->set_retry_after_error(static_cast<int>(wakeup_at - now) + 1);
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}
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flood_control.add_event(now);
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}
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auto tqueue_id = get_tqueue_id(user_id, query->is_test_dc());
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if (active_client_count_.count(tqueue_id) != 0) {
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// return query->set_retry_after_error(1);
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}
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auto id =
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clients_.create(ClientInfo{BotStatActor(stat_.actor_id(&stat_)), token, tqueue_id, td::ActorOwn<Client>()});
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auto *client_info = clients_.get(id);
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client_info->client_ = td::create_actor<Client>(PSLICE() << "Client/" << token, actor_shared(this, id),
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query->token().str(), query->is_test_dc(), tqueue_id, parameters_,
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client_info->stat_.actor_id(&client_info->stat_));
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auto method = query->method();
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if (method != "deletewebhook" && method != "setwebhook") {
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auto bot_token_with_dc = PSTRING() << query->token() << (query->is_test_dc() ? ":T" : "");
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auto webhook_info = parameters_->shared_data_->webhook_db_->get(bot_token_with_dc);
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if (!webhook_info.empty()) {
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send_closure(client_info->client_, &Client::send,
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get_webhook_restore_query(bot_token_with_dc, webhook_info, parameters_->shared_data_));
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}
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}
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std::tie(id_it, std::ignore) = token_to_id_.emplace(token, id);
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}
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send_closure(clients_.get(id_it->second)->client_, &Client::send,
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std::move(query)); // will send 429 if the client is already closed
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}
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ClientManager::TopClients ClientManager::get_top_clients(std::size_t max_count, td::Slice token_filter) {
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auto now = td::Time::now();
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TopClients result;
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td::vector<std::pair<td::int64, td::uint64>> top_client_ids;
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for (auto id : clients_.ids()) {
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auto *client_info = clients_.get(id);
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CHECK(client_info);
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if (client_info->stat_.is_active(now)) {
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result.active_count++;
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}
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if (!td::begins_with(client_info->token_, token_filter)) {
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continue;
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}
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auto score = static_cast<td::int64>(client_info->stat_.get_score(now) * -1e9);
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if (score == 0 && top_client_ids.size() >= max_count) {
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continue;
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}
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top_client_ids.emplace_back(score, id);
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}
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if (top_client_ids.size() < max_count) {
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max_count = top_client_ids.size();
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}
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std::partial_sort(top_client_ids.begin(), top_client_ids.begin() + max_count, top_client_ids.end());
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result.top_client_ids.reserve(max_count);
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for (std::size_t i = 0; i < max_count; i++) {
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result.top_client_ids.push_back(top_client_ids[i].second);
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}
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return result;
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}
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void ClientManager::get_stats(td::Promise<td::BufferSlice> promise,
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td::vector<std::pair<td::string, td::string>> args) {
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if (close_flag_) {
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promise.set_value(td::BufferSlice("Closing"));
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return;
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}
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size_t buf_size = 1 << 14;
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auto buf = td::StackAllocator::alloc(buf_size);
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td::StringBuilder sb(buf.as_slice());
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td::Slice id_filter;
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int new_verbosity_level = -1;
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td::string tag;
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for (auto &arg : args) {
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if (arg.first == "id") {
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id_filter = arg.second;
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}
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if (arg.first == "v") {
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auto r_new_verbosity_level = td::to_integer_safe<int>(arg.second);
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if (r_new_verbosity_level.is_ok()) {
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new_verbosity_level = r_new_verbosity_level.ok();
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}
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}
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if (arg.first == "tag") {
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tag = arg.second;
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}
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}
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if (new_verbosity_level > 0) {
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if (tag.empty()) {
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parameters_->shared_data_->next_verbosity_level_ = new_verbosity_level;
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} else {
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td::ClientActor::execute(td::td_api::make_object<td::td_api::setLogTagVerbosityLevel>(tag, new_verbosity_level));
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}
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}
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auto now = td::Time::now();
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auto top_clients = get_top_clients(50, id_filter);
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sb << stat_.get_description() << '\n';
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if (id_filter.empty()) {
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sb << "uptime\t" << now - parameters_->start_time_ << '\n';
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sb << "bot_count\t" << clients_.size() << '\n';
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sb << "active_bot_count\t" << top_clients.active_count << '\n';
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auto r_mem_stat = td::mem_stat();
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if (r_mem_stat.is_ok()) {
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auto mem_stat = r_mem_stat.move_as_ok();
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sb << "rss\t" << td::format::as_size(mem_stat.resident_size_) << '\n';
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sb << "vm\t" << td::format::as_size(mem_stat.virtual_size_) << '\n';
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sb << "rss_peak\t" << td::format::as_size(mem_stat.resident_size_peak_) << '\n';
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sb << "vm_peak\t" << td::format::as_size(mem_stat.virtual_size_peak_) << '\n';
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} else {
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LOG(INFO) << "Failed to get memory statistics: " << r_mem_stat.error();
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}
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ServerCpuStat::update(td::Time::now());
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auto cpu_stats = ServerCpuStat::instance().as_vector(td::Time::now());
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for (auto &stat : cpu_stats) {
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sb << stat.key_ << "\t" << stat.value_ << '\n';
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}
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sb << "buffer_memory\t" << td::format::as_size(td::BufferAllocator::get_buffer_mem()) << '\n';
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sb << "active_webhook_connections\t" << WebhookActor::get_total_connection_count() << '\n';
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sb << "active_requests\t" << parameters_->shared_data_->query_count_.load(std::memory_order_relaxed) << '\n';
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sb << "active_network_queries\t" << td::get_pending_network_query_count(*parameters_->net_query_stats_) << '\n';
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auto stats = stat_.as_vector(now);
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for (auto &stat : stats) {
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sb << stat.key_ << "\t" << stat.value_ << '\n';
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}
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}
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for (auto top_client_id : top_clients.top_client_ids) {
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auto *client_info = clients_.get(top_client_id);
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CHECK(client_info);
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auto bot_info = client_info->client_.get_actor_unsafe()->get_bot_info();
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auto active_request_count = client_info->stat_.get_active_request_count();
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auto active_file_upload_bytes = client_info->stat_.get_active_file_upload_bytes();
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auto active_file_upload_count = client_info->stat_.get_active_file_upload_count();
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sb << '\n';
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sb << "id\t" << bot_info.id_ << '\n';
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sb << "uptime\t" << now - bot_info.start_time_ << '\n';
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sb << "token\t" << bot_info.token_ << '\n';
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sb << "username\t" << bot_info.username_ << '\n';
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if (active_request_count != 0) {
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sb << "active_request_count\t" << active_request_count << '\n';
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}
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if (active_file_upload_bytes != 0) {
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sb << "active_file_upload_bytes\t" << active_file_upload_bytes << '\n';
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}
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if (active_file_upload_count != 0) {
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sb << "active_file_upload_count\t" << active_file_upload_count << '\n';
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}
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if (!bot_info.webhook_.empty()) {
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sb << "webhook\t" << bot_info.webhook_ << '\n';
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if (bot_info.has_webhook_certificate_) {
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sb << "has_custom_certificate\t" << bot_info.has_webhook_certificate_ << '\n';
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}
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if (bot_info.webhook_max_connections_ != parameters_->default_max_webhook_connections_) {
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sb << "webhook_max_connections\t" << bot_info.webhook_max_connections_ << '\n';
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}
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}
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sb << "head_update_id\t" << bot_info.head_update_id_ << '\n';
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if (bot_info.pending_update_count_ != 0) {
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sb << "tail_update_id\t" << bot_info.tail_update_id_ << '\n';
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sb << "pending_update_count\t" << bot_info.pending_update_count_ << '\n';
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}
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auto stats = client_info->stat_.as_vector(now);
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for (auto &stat : stats) {
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if (stat.key_ == "update_count" || stat.key_ == "request_count") {
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sb << stat.key_ << "/sec\t" << stat.value_ << '\n';
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}
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}
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if (sb.is_error()) {
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break;
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}
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}
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// ignore sb overflow
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promise.set_value(td::BufferSlice(sb.as_cslice()));
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}
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td::int64 ClientManager::get_tqueue_id(td::int64 user_id, bool is_test_dc) {
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return user_id + (static_cast<td::int64>(is_test_dc) << 54);
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}
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void ClientManager::start_up() {
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// init tqueue
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{
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auto load_start_time = td::Time::now();
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auto tqueue_binlog = td::make_unique<td::TQueueBinlog<td::Binlog>>();
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auto binlog = td::make_unique<td::Binlog>();
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auto tqueue = td::TQueue::create();
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td::vector<td::uint64> failed_to_replay_log_event_ids;
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td::int64 loaded_event_count = 0;
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binlog
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->init(parameters_->working_directory_ + "tqueue.binlog",
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[&](const td::BinlogEvent &event) {
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if (tqueue_binlog->replay(event, *tqueue).is_error()) {
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failed_to_replay_log_event_ids.push_back(event.id_);
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} else {
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loaded_event_count++;
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}
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})
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.ensure();
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tqueue_binlog.reset();
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if (!failed_to_replay_log_event_ids.empty()) {
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LOG(ERROR) << "Failed to replay " << failed_to_replay_log_event_ids.size() << " TQueue events";
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for (auto &log_event_id : failed_to_replay_log_event_ids) {
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binlog->erase(log_event_id);
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}
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}
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auto concurrent_binlog =
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std::make_shared<td::ConcurrentBinlog>(std::move(binlog), SharedData::get_binlog_scheduler_id());
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auto concurrent_tqueue_binlog = td::make_unique<td::TQueueBinlog<td::BinlogInterface>>();
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concurrent_tqueue_binlog->set_binlog(std::move(concurrent_binlog));
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tqueue->set_callback(std::move(concurrent_tqueue_binlog));
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parameters_->shared_data_->tqueue_ = std::move(tqueue);
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LOG(WARNING) << "Loaded " << loaded_event_count << " TQueue events in " << (td::Time::now() - load_start_time)
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<< " seconds";
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next_tqueue_gc_time_ = td::Time::now() + 600;
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}
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// init webhook_db
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auto concurrent_webhook_db = td::make_unique<td::BinlogKeyValue<td::ConcurrentBinlog>>();
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auto status = concurrent_webhook_db->init(parameters_->working_directory_ + "webhooks_db.binlog", td::DbKey::empty(),
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SharedData::get_binlog_scheduler_id());
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LOG_IF(FATAL, status.is_error()) << "Can't open webhooks_db.binlog " << status;
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parameters_->shared_data_->webhook_db_ = std::move(concurrent_webhook_db);
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auto &webhook_db = *parameters_->shared_data_->webhook_db_;
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for (auto key_value : webhook_db.get_all()) {
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if (!token_range_(td::to_integer<td::uint64>(key_value.first))) {
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LOG(WARNING) << "DROP WEBHOOK: " << key_value.first << " ---> " << key_value.second;
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webhook_db.erase(key_value.first);
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continue;
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}
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auto query = get_webhook_restore_query(key_value.first, key_value.second, parameters_->shared_data_);
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send_closure_later(actor_id(this), &ClientManager::send, std::move(query));
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}
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// launch watchdog
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watchdog_id_ = td::create_actor_on_scheduler<Watchdog>("ManagerWatchdog", SharedData::get_watchdog_scheduler_id(),
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td::this_thread::get_id(), WATCHDOG_TIMEOUT);
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set_timeout_in(600.0);
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}
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PromisedQueryPtr ClientManager::get_webhook_restore_query(td::Slice token, td::Slice webhook_info,
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std::shared_ptr<SharedData> shared_data) {
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// create Query with empty promise
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td::vector<td::BufferSlice> containers;
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auto add_string = [&containers](td::Slice str) {
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containers.emplace_back(str);
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return containers.back().as_mutable_slice();
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};
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token = add_string(token);
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LOG(WARNING) << "WEBHOOK: " << token << " ---> " << webhook_info;
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bool is_test_dc = false;
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if (td::ends_with(token, ":T")) {
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token.remove_suffix(2);
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is_test_dc = true;
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}
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td::ConstParser parser{webhook_info};
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td::vector<std::pair<td::MutableSlice, td::MutableSlice>> args;
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if (parser.try_skip("cert/")) {
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args.emplace_back(add_string("certificate"), add_string("previous"));
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}
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if (parser.try_skip("#maxc")) {
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args.emplace_back(add_string("max_connections"), add_string(parser.read_till('/')));
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parser.skip('/');
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}
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if (parser.try_skip("#ip")) {
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args.emplace_back(add_string("ip_address"), add_string(parser.read_till('/')));
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parser.skip('/');
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}
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if (parser.try_skip("#fix_ip")) {
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args.emplace_back(add_string("fix_ip_address"), add_string("1"));
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parser.skip('/');
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}
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if (parser.try_skip("#secret")) {
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args.emplace_back(add_string("secret_token"), add_string(parser.read_till('/')));
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parser.skip('/');
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}
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if (parser.try_skip("#allow")) {
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args.emplace_back(add_string("allowed_updates"), add_string(parser.read_till('/')));
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parser.skip('/');
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}
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args.emplace_back(add_string("url"), add_string(parser.read_all()));
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const auto method = add_string("setwebhook");
|
|
auto query = td::make_unique<Query>(std::move(containers), token, is_test_dc, method, std::move(args),
|
|
td::vector<std::pair<td::MutableSlice, td::MutableSlice>>(),
|
|
td::vector<td::HttpFile>(), std::move(shared_data), td::IPAddress(), true);
|
|
return PromisedQueryPtr(query.release(), PromiseDeleter(td::Promise<td::unique_ptr<Query>>()));
|
|
}
|
|
|
|
void ClientManager::dump_statistics() {
|
|
if (is_memprof_on()) {
|
|
LOG(WARNING) << "Memory dump:";
|
|
td::vector<AllocInfo> v;
|
|
dump_alloc([&](const AllocInfo &info) { v.push_back(info); });
|
|
std::sort(v.begin(), v.end(), [](const AllocInfo &a, const AllocInfo &b) { return a.size > b.size; });
|
|
size_t total_size = 0;
|
|
size_t other_size = 0;
|
|
int count = 0;
|
|
for (auto &info : v) {
|
|
if (count++ < 50) {
|
|
LOG(WARNING) << td::format::as_size(info.size) << td::format::as_array(info.backtrace);
|
|
} else {
|
|
other_size += info.size;
|
|
}
|
|
total_size += info.size;
|
|
}
|
|
LOG(WARNING) << td::tag("other", td::format::as_size(other_size));
|
|
LOG(WARNING) << td::tag("total size", td::format::as_size(total_size));
|
|
LOG(WARNING) << td::tag("total traces", get_ht_size());
|
|
LOG(WARNING) << td::tag("fast_backtrace_success_rate", get_fast_backtrace_success_rate());
|
|
}
|
|
auto r_mem_stat = td::mem_stat();
|
|
if (r_mem_stat.is_ok()) {
|
|
auto mem_stat = r_mem_stat.move_as_ok();
|
|
LOG(WARNING) << td::tag("rss", td::format::as_size(mem_stat.resident_size_));
|
|
LOG(WARNING) << td::tag("vm", td::format::as_size(mem_stat.virtual_size_));
|
|
LOG(WARNING) << td::tag("rss_peak", td::format::as_size(mem_stat.resident_size_peak_));
|
|
LOG(WARNING) << td::tag("vm_peak", td::format::as_size(mem_stat.virtual_size_peak_));
|
|
}
|
|
LOG(WARNING) << td::tag("buffer_mem", td::format::as_size(td::BufferAllocator::get_buffer_mem()));
|
|
LOG(WARNING) << td::tag("buffer_slice_size", td::format::as_size(td::BufferAllocator::get_buffer_slice_size()));
|
|
|
|
const auto &shared_data = parameters_->shared_data_;
|
|
auto query_list_size = shared_data->query_list_size_.load(std::memory_order_relaxed);
|
|
auto query_count = shared_data->query_count_.load(std::memory_order_relaxed);
|
|
LOG(WARNING) << td::tag("pending queries", query_count) << td::tag("pending requests", query_list_size);
|
|
|
|
td::uint64 i = 0;
|
|
bool was_gap = false;
|
|
for (auto end = &shared_data->query_list_, cur = end->prev; cur != end; cur = cur->prev, i++) {
|
|
if (i < 20 || i > query_list_size - 20 || i % (query_list_size / 50 + 1) == 0) {
|
|
if (was_gap) {
|
|
LOG(WARNING) << "...";
|
|
was_gap = false;
|
|
}
|
|
LOG(WARNING) << static_cast<const Query &>(*cur);
|
|
} else {
|
|
was_gap = true;
|
|
}
|
|
}
|
|
|
|
td::dump_pending_network_queries(*parameters_->net_query_stats_);
|
|
|
|
auto now = td::Time::now();
|
|
auto top_clients = get_top_clients(10, {});
|
|
for (auto top_client_id : top_clients.top_client_ids) {
|
|
auto *client_info = clients_.get(top_client_id);
|
|
CHECK(client_info);
|
|
|
|
auto bot_info = client_info->client_.get_actor_unsafe()->get_bot_info();
|
|
td::string update_count;
|
|
td::string request_count;
|
|
auto replace_tabs = [](td::string &str) {
|
|
for (auto &c : str) {
|
|
if (c == '\t') {
|
|
c = ' ';
|
|
}
|
|
}
|
|
};
|
|
auto stats = client_info->stat_.as_vector(now);
|
|
for (auto &stat : stats) {
|
|
if (stat.key_ == "update_count") {
|
|
replace_tabs(stat.value_);
|
|
update_count = std::move(stat.value_);
|
|
}
|
|
if (stat.key_ == "request_count") {
|
|
replace_tabs(stat.value_);
|
|
request_count = std::move(stat.value_);
|
|
}
|
|
}
|
|
LOG(WARNING) << td::tag("id", bot_info.id_) << td::tag("update_count", update_count)
|
|
<< td::tag("request_count", request_count);
|
|
}
|
|
}
|
|
|
|
void ClientManager::raw_event(const td::Event::Raw &event) {
|
|
auto id = get_link_token();
|
|
auto *info = clients_.get(id);
|
|
CHECK(info != nullptr);
|
|
CHECK(info->tqueue_id_ != 0);
|
|
auto &value = active_client_count_[info->tqueue_id_];
|
|
if (event.ptr != nullptr) {
|
|
value++;
|
|
} else {
|
|
CHECK(value > 0);
|
|
if (--value == 0) {
|
|
active_client_count_.erase(info->tqueue_id_);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ClientManager::timeout_expired() {
|
|
send_closure(watchdog_id_, &Watchdog::kick);
|
|
set_timeout_in(WATCHDOG_TIMEOUT / 2);
|
|
|
|
double now = td::Time::now();
|
|
if (now > next_tqueue_gc_time_) {
|
|
auto unix_time = parameters_->shared_data_->get_unix_time(now);
|
|
LOG(INFO) << "Run TQueue GC at " << unix_time;
|
|
td::int64 deleted_events;
|
|
bool is_finished;
|
|
std::tie(deleted_events, is_finished) = parameters_->shared_data_->tqueue_->run_gc(unix_time);
|
|
LOG(INFO) << "TQueue GC deleted " << deleted_events << " events";
|
|
next_tqueue_gc_time_ = td::Time::now() + (is_finished ? 60.0 : 1.0);
|
|
|
|
tqueue_deleted_events_ += deleted_events;
|
|
if (tqueue_deleted_events_ > last_tqueue_deleted_events_ + 10000) {
|
|
LOG(WARNING) << "TQueue GC already deleted " << tqueue_deleted_events_ << " events since the start";
|
|
last_tqueue_deleted_events_ = tqueue_deleted_events_;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ClientManager::hangup_shared() {
|
|
auto id = get_link_token();
|
|
auto *info = clients_.get(id);
|
|
CHECK(info != nullptr);
|
|
info->client_.release();
|
|
token_to_id_.erase(info->token_);
|
|
clients_.erase(id);
|
|
|
|
if (close_flag_ && clients_.empty()) {
|
|
CHECK(active_client_count_.empty());
|
|
close_db();
|
|
}
|
|
}
|
|
|
|
void ClientManager::close_db() {
|
|
LOG(WARNING) << "Closing databases";
|
|
td::MultiPromiseActorSafe mpas("close binlogs");
|
|
mpas.add_promise(td::PromiseCreator::lambda(
|
|
[actor_id = actor_id(this)](td::Unit) { send_closure(actor_id, &ClientManager::finish_close); }));
|
|
mpas.set_ignore_errors(true);
|
|
|
|
auto lock = mpas.get_promise();
|
|
parameters_->shared_data_->tqueue_->close(mpas.get_promise());
|
|
parameters_->shared_data_->webhook_db_->close(mpas.get_promise());
|
|
lock.set_value(td::Unit());
|
|
}
|
|
|
|
void ClientManager::finish_close() {
|
|
LOG(WARNING) << "Stop ClientManager";
|
|
auto promises = std::move(close_promises_);
|
|
for (auto &promise : promises) {
|
|
promise.set_value(td::Unit());
|
|
}
|
|
stop();
|
|
}
|
|
|
|
constexpr double ClientManager::WATCHDOG_TIMEOUT;
|
|
|
|
} // namespace telegram_bot_api
|