2018-12-31 20:04:05 +01:00
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//
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2020-01-01 02:23:48 +01:00
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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2018-12-31 20:04:05 +01:00
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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/Client.h"
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#include "td/telegram/Td.h"
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2020-07-30 03:04:57 +02:00
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#include "td/telegram/TdCallback.h"
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2018-12-31 20:04:05 +01:00
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2018-07-03 21:29:04 +02:00
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#include "td/actor/actor.h"
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2019-02-12 22:26:36 +01:00
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#include "td/utils/common.h"
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2018-12-31 20:04:05 +01:00
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#include "td/utils/crypto.h"
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#include "td/utils/logging.h"
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2019-04-23 12:02:10 +02:00
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#include "td/utils/misc.h"
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2018-12-31 20:04:05 +01:00
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#include "td/utils/MpscPollableQueue.h"
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2020-07-29 15:49:35 +02:00
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#include "td/utils/port/RwMutex.h"
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2018-12-31 20:04:05 +01:00
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#include "td/utils/port/thread.h"
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2019-04-23 12:02:10 +02:00
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#include <algorithm>
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2018-07-23 13:45:31 +02:00
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#include <atomic>
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2019-03-21 23:42:41 +01:00
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#include <memory>
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#include <mutex>
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2020-07-30 03:04:57 +02:00
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#include <queue>
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2019-03-21 23:42:41 +01:00
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#include <unordered_map>
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2018-12-31 20:04:05 +01:00
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namespace td {
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2020-07-29 15:49:35 +02:00
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class MultiTd : public Actor {
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2018-12-31 20:04:05 +01:00
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public:
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void create(int32 td_id, unique_ptr<TdCallback> callback) {
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auto &td = tds_[td_id];
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CHECK(td.empty());
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string name = "Td";
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class TdActorContext : public ActorContext {
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public:
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explicit TdActorContext(string tag) : tag_(std::move(tag)) {
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}
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int32 get_id() const override {
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return 0x172ae58d;
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}
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string tag_;
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};
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auto context = std::make_shared<TdActorContext>(to_string(td_id));
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auto old_context = set_context(context);
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auto old_tag = set_tag(context->tag_);
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td = create_actor<Td>("Td", std::move(callback));
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set_context(old_context);
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set_tag(old_tag);
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}
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2020-07-29 15:49:35 +02:00
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void send(MultiClient::ClientId client_id, MultiClient::RequestId request_id, MultiClient::Function function) {
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auto &td = tds_[client_id];
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CHECK(!td.empty());
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send_closure(td, &Td::request, request_id, std::move(function));
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}
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2020-07-29 15:49:35 +02:00
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void destroy(int32 td_id) {
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auto size = tds_.erase(td_id);
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CHECK(size == 1);
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}
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private:
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std::unordered_map<int32, ActorOwn<Td>> tds_;
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};
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#if TD_THREAD_UNSUPPORTED || TD_EVENTFD_UNSUPPORTED
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class TdReceiver {
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public:
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MultiClient::Response receive(double timeout) {
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if (!responses_.empty()) {
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auto result = std::move(responses_.front());
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responses_.pop_front();
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return result;
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}
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return {0, 0, nullptr};
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}
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2020-07-30 03:04:57 +02:00
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unique_ptr<TdCallback> create_callback(MultiClient::ClientId client_id) {
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2018-09-15 18:33:27 +02:00
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class Callback : public TdCallback {
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public:
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Callback(MultiClient::ClientId client_id, TdReceiver *impl) : client_id_(client_id), impl_(impl) {
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}
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void on_result(uint64 id, td_api::object_ptr<td_api::Object> result) override {
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impl_->responses_.push_back({client_id_, id, std::move(result)});
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2018-09-15 18:33:27 +02:00
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}
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void on_error(uint64 id, td_api::object_ptr<td_api::error> error) override {
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impl_->responses_.push_back({client_id_, id, std::move(error)});
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2018-09-15 18:33:27 +02:00
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}
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Callback(const Callback &) = delete;
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Callback &operator=(const Callback &) = delete;
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Callback(Callback &&) = delete;
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Callback &operator=(Callback &&) = delete;
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~Callback() override {
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impl_->responses_.push_back({client_id_, 0, nullptr});
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2018-09-15 18:33:27 +02:00
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}
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private:
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2020-07-29 15:49:35 +02:00
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MultiClient::ClientId client_id_;
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TdReceiver *impl_;
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2018-09-15 18:33:27 +02:00
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};
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2020-07-29 15:49:35 +02:00
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return td::make_unique<Callback>(client_id, this);
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}
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private:
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2020-07-30 03:04:57 +02:00
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std::queue<MultiClient::Response> responses_;
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2020-07-29 15:49:35 +02:00
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};
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class MultiClient::Impl final {
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public:
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Impl() {
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concurrent_scheduler_ = make_unique<ConcurrentScheduler>();
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concurrent_scheduler_->init(0);
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receiver_ = make_unique<TdReceiver>();
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2018-09-15 18:33:27 +02:00
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concurrent_scheduler_->start();
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2018-12-31 20:04:05 +01:00
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}
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2020-07-29 15:49:35 +02:00
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ClientId create_client() {
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auto client_id = ++client_id_;
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tds_[client_id] = concurrent_scheduler_->create_actor_unsafe<Td>(0, "Td", receiver_->create_callback(client_id));
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return client_id;
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}
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void send(ClientId client_id, RequestId request_id, Function function) {
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Request request;
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request.client_id = client_id;
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request.id = request_id;
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request.function = std::move(function);
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2018-12-31 20:04:05 +01:00
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requests_.push_back(std::move(request));
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}
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Response receive(double timeout) {
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if (!requests_.empty()) {
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2018-09-18 15:43:16 +02:00
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auto guard = concurrent_scheduler_->get_main_guard();
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2018-12-31 20:04:05 +01:00
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for (auto &request : requests_) {
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auto &td = tds_[request.client_id];
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CHECK(!td.empty());
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send_closure_later(td, &Td::request, request.id, std::move(request.function));
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2018-12-31 20:04:05 +01:00
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}
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requests_.clear();
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}
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2020-07-29 15:49:35 +02:00
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auto response = receiver_->receive(0);
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if (response.client_id == 0) {
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2018-09-14 20:40:33 +02:00
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concurrent_scheduler_->run_main(0);
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2020-07-29 15:49:35 +02:00
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response = receiver_->receive(0);
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2018-09-18 15:43:16 +02:00
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} else {
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ConcurrentScheduler::emscripten_clear_main_timeout();
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2018-12-31 20:04:05 +01:00
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}
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if (response.client_id != 0 && !response.object) {
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auto guard = concurrent_scheduler_->get_main_guard();
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tds_.erase(response.client_id);
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}
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return response;
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}
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2020-07-30 03:04:57 +02:00
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Impl() = default;
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Impl(const Impl &) = delete;
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Impl &operator=(const Impl &) = delete;
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Impl(Impl &&) = delete;
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Impl &operator=(Impl &&) = delete;
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2018-12-31 20:04:05 +01:00
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~Impl() {
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{
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2018-09-18 15:43:16 +02:00
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auto guard = concurrent_scheduler_->get_main_guard();
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2020-07-29 15:49:35 +02:00
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for (auto &td : tds_) {
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td.second = {};
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}
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2018-12-31 20:04:05 +01:00
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}
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2020-07-29 15:49:35 +02:00
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while (!tds_.empty()) {
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receive(10);
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2018-12-31 20:04:05 +01:00
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}
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2020-07-29 15:49:35 +02:00
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concurrent_scheduler_->finish();
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2018-12-31 20:04:05 +01:00
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}
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private:
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unique_ptr<TdReceiver> receiver_;
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struct Request {
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ClientId client_id;
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RequestId id;
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Function function;
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};
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2018-12-31 20:04:05 +01:00
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std::vector<Request> requests_;
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2018-09-27 03:19:03 +02:00
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unique_ptr<ConcurrentScheduler> concurrent_scheduler_;
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2020-07-29 15:49:35 +02:00
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ClientId client_id_{0};
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2020-07-30 03:04:57 +02:00
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std::unordered_map<int32, ActorOwn<Td>> tds_;
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2020-07-29 15:49:35 +02:00
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};
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class Client::Impl final {
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public:
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Impl() {
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client_id_ = impl_.create_client();
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}
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void send(Request request) {
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impl_.send(client_id_, request.id, std::move(request.function));
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}
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Response receive(double timeout) {
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auto response = impl_.receive(timeout);
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Response old_response;
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old_response.id = response.id;
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old_response.object = std::move(response.object);
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return old_response;
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}
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private:
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MultiClient::Impl impl_;
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MultiClient::ClientId client_id_;
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2018-09-15 18:33:27 +02:00
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};
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2018-12-31 20:04:05 +01:00
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2018-09-15 18:33:27 +02:00
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#else
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2020-07-30 03:04:57 +02:00
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class TdReceiver {
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2019-03-21 10:59:20 +01:00
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public:
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TdReceiver() {
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output_queue_ = std::make_shared<OutputQueue>();
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output_queue_->init();
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}
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2020-07-30 03:04:57 +02:00
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MultiClient::Response receive(double timeout) {
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if (output_queue_ready_cnt_ == 0) {
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output_queue_ready_cnt_ = output_queue_->reader_wait_nonblock();
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}
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if (output_queue_ready_cnt_ > 0) {
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output_queue_ready_cnt_--;
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return output_queue_->reader_get_unsafe();
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}
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if (timeout != 0) {
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output_queue_->reader_get_event_fd().wait(static_cast<int>(timeout * 1000));
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return receive(0);
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}
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return {0, 0, nullptr};
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}
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2020-07-30 03:04:57 +02:00
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unique_ptr<TdCallback> create_callback(MultiClient::ClientId client_id) {
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2020-07-29 15:49:35 +02:00
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class Callback : public TdCallback {
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2019-04-23 10:56:32 +02:00
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public:
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explicit Callback(MultiClient::ClientId client_id, std::shared_ptr<OutputQueue> output_queue)
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: client_id_(client_id), output_queue_(std::move(output_queue)) {
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2019-04-23 10:56:32 +02:00
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}
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2020-07-30 03:04:57 +02:00
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void on_result(uint64 id, td_api::object_ptr<td_api::Object> result) override {
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output_queue_->writer_put({client_id_, id, std::move(result)});
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2019-08-01 21:12:04 +02:00
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}
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2020-07-30 03:04:57 +02:00
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void on_error(uint64 id, td_api::object_ptr<td_api::error> error) override {
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2020-07-29 15:49:35 +02:00
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output_queue_->writer_put({client_id_, id, std::move(error)});
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}
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Callback(const Callback &) = delete;
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Callback &operator=(const Callback &) = delete;
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Callback(Callback &&) = delete;
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Callback &operator=(Callback &&) = delete;
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~Callback() override {
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output_queue_->writer_put({client_id_, 0, nullptr});
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}
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private:
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MultiClient::ClientId client_id_;
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std::shared_ptr<OutputQueue> output_queue_;
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2019-04-23 10:56:32 +02:00
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};
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2020-07-29 15:49:35 +02:00
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return td::make_unique<Callback>(client_id, output_queue_);
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2019-03-21 10:59:20 +01:00
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}
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private:
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using OutputQueue = MpscPollableQueue<MultiClient::Response>;
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std::shared_ptr<OutputQueue> output_queue_;
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int output_queue_ready_cnt_{0};
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2019-03-21 10:59:20 +01:00
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};
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class MultiImpl {
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public:
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MultiImpl() {
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concurrent_scheduler_ = std::make_shared<ConcurrentScheduler>();
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concurrent_scheduler_->init(3);
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concurrent_scheduler_->start();
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{
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auto guard = concurrent_scheduler_->get_main_guard();
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multi_td_ = create_actor<MultiTd>("MultiTd");
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}
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scheduler_thread_ = thread([concurrent_scheduler = concurrent_scheduler_] {
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while (concurrent_scheduler->run_main(10)) {
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}
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});
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}
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2019-03-21 23:42:41 +01:00
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MultiImpl(const MultiImpl &) = delete;
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MultiImpl &operator=(const MultiImpl &) = delete;
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MultiImpl(MultiImpl &&) = delete;
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MultiImpl &operator=(MultiImpl &&) = delete;
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2020-07-29 15:49:35 +02:00
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int32 create(TdReceiver &receiver) {
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auto id = create_id();
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create(id, receiver.create_callback(id));
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return id;
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2019-03-21 10:59:20 +01:00
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}
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2019-03-21 23:42:41 +01:00
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
void send(MultiClient::ClientId client_id, MultiClient::RequestId request_id, MultiClient::Function function) {
|
2019-03-21 10:59:20 +01:00
|
|
|
auto guard = concurrent_scheduler_->get_send_guard();
|
2020-07-29 15:49:35 +02:00
|
|
|
send_closure(multi_td_, &MultiTd::send, client_id, request_id, std::move(function));
|
2019-03-21 10:59:20 +01:00
|
|
|
}
|
2019-03-21 23:42:41 +01:00
|
|
|
|
2019-03-21 10:59:20 +01:00
|
|
|
void destroy(int32 td_id) {
|
|
|
|
auto guard = concurrent_scheduler_->get_send_guard();
|
|
|
|
send_closure(multi_td_, &MultiTd::destroy, td_id);
|
|
|
|
}
|
|
|
|
|
|
|
|
~MultiImpl() {
|
|
|
|
{
|
|
|
|
auto guard = concurrent_scheduler_->get_send_guard();
|
|
|
|
multi_td_.reset();
|
|
|
|
Scheduler::instance()->finish();
|
|
|
|
}
|
|
|
|
scheduler_thread_.join();
|
2019-05-20 18:57:28 +02:00
|
|
|
concurrent_scheduler_->finish();
|
2019-03-21 10:59:20 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
std::shared_ptr<ConcurrentScheduler> concurrent_scheduler_;
|
2019-03-21 23:42:41 +01:00
|
|
|
thread scheduler_thread_;
|
|
|
|
ActorOwn<MultiTd> multi_td_;
|
2020-07-29 15:49:35 +02:00
|
|
|
|
2020-07-30 03:04:57 +02:00
|
|
|
static int32 create_id() {
|
|
|
|
static std::atomic<int32> current_id{1};
|
|
|
|
return current_id.fetch_add(1);
|
2020-07-29 15:49:35 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
void create(int32 td_id, unique_ptr<TdCallback> callback) {
|
|
|
|
auto guard = concurrent_scheduler_->get_send_guard();
|
|
|
|
send_closure(multi_td_, &MultiTd::create, td_id, std::move(callback));
|
|
|
|
}
|
2019-03-21 10:59:20 +01:00
|
|
|
};
|
2018-09-15 18:33:27 +02:00
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
class MultiImplPool {
|
2018-09-15 18:33:27 +02:00
|
|
|
public:
|
2020-07-29 15:49:35 +02:00
|
|
|
std::shared_ptr<MultiImpl> get() {
|
|
|
|
std::unique_lock<std::mutex> lock(mutex_);
|
|
|
|
if (impls_.size() == 0) {
|
|
|
|
impls_.resize(clamp(thread::hardware_concurrency(), 8u, 1000u) * 5 / 4);
|
|
|
|
}
|
|
|
|
auto &impl = *std::min_element(impls_.begin(), impls_.end(),
|
|
|
|
[](auto &a, auto &b) { return a.lock().use_count() < b.lock().use_count(); });
|
|
|
|
auto res = impl.lock();
|
|
|
|
if (!res) {
|
|
|
|
res = std::make_shared<MultiImpl>();
|
|
|
|
impl = res;
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
2019-03-21 10:59:20 +01:00
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
private:
|
|
|
|
std::mutex mutex_;
|
2020-07-30 03:04:57 +02:00
|
|
|
std::vector<std::weak_ptr<MultiImpl>> impls_;
|
2020-07-29 15:49:35 +02:00
|
|
|
};
|
2018-12-31 20:04:05 +01:00
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
class MultiClient::Impl final {
|
|
|
|
public:
|
|
|
|
ClientId create_client() {
|
|
|
|
auto impl = pool_.get();
|
|
|
|
auto client_id = impl->create(*receiver_);
|
|
|
|
{
|
|
|
|
auto lock = impls_mutex_.lock_write().move_as_ok();
|
|
|
|
impls_[client_id] = std::move(impl);
|
|
|
|
}
|
|
|
|
return client_id;
|
|
|
|
}
|
2020-07-30 03:04:57 +02:00
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
void send(ClientId client_id, RequestId request_id, Function function) {
|
|
|
|
auto lock = impls_mutex_.lock_read().move_as_ok();
|
|
|
|
auto it = impls_.find(client_id);
|
|
|
|
CHECK(it != impls_.end());
|
|
|
|
it->second->send(client_id, request_id, std::move(function));
|
|
|
|
}
|
2020-07-30 03:04:57 +02:00
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
Response receive(double timeout) {
|
|
|
|
auto res = receiver_->receive(timeout);
|
|
|
|
if (res.client_id != 0 && !res.object) {
|
|
|
|
auto lock = impls_mutex_.lock_write().move_as_ok();
|
|
|
|
impls_.erase(res.client_id);
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2020-07-30 03:04:57 +02:00
|
|
|
Impl() = default;
|
|
|
|
Impl(const Impl &) = delete;
|
|
|
|
Impl &operator=(const Impl &) = delete;
|
|
|
|
Impl(Impl &&) = delete;
|
|
|
|
Impl &operator=(Impl &&) = delete;
|
2020-07-29 15:49:35 +02:00
|
|
|
~Impl() {
|
|
|
|
for (auto &it : impls_) {
|
|
|
|
it.second->destroy(it.first);
|
|
|
|
}
|
|
|
|
while (!impls_.empty()) {
|
|
|
|
receive(10);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
MultiImplPool pool_;
|
2020-07-30 03:04:57 +02:00
|
|
|
RwMutex impls_mutex_;
|
|
|
|
std::unordered_map<ClientId, std::shared_ptr<MultiImpl>> impls_;
|
|
|
|
unique_ptr<TdReceiver> receiver_{make_unique<TdReceiver>()};
|
2020-07-29 15:49:35 +02:00
|
|
|
};
|
2018-12-31 20:04:05 +01:00
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
class Client::Impl final {
|
|
|
|
public:
|
|
|
|
Impl() {
|
|
|
|
static MultiImplPool pool;
|
|
|
|
multi_impl_ = pool.get();
|
2020-07-30 03:04:57 +02:00
|
|
|
receiver_ = make_unique<TdReceiver>();
|
2020-07-29 15:49:35 +02:00
|
|
|
td_id_ = multi_impl_->create(*receiver_);
|
2018-12-31 20:04:05 +01:00
|
|
|
}
|
|
|
|
|
2019-03-21 10:59:20 +01:00
|
|
|
void send(Client::Request request) {
|
2018-12-31 20:04:05 +01:00
|
|
|
if (request.id == 0 || request.function == nullptr) {
|
|
|
|
LOG(ERROR) << "Drop wrong request " << request.id;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
multi_impl_->send(td_id_, request.id, std::move(request.function));
|
2018-12-31 20:04:05 +01:00
|
|
|
}
|
|
|
|
|
2019-03-21 10:59:20 +01:00
|
|
|
Client::Response receive(double timeout) {
|
2020-07-29 15:49:35 +02:00
|
|
|
auto res = receiver_->receive(0);
|
|
|
|
|
|
|
|
if (res.client_id != 0 && !res.object) {
|
|
|
|
is_closed_ = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
Client::Response old_res;
|
|
|
|
old_res.id = res.id;
|
|
|
|
old_res.object = std::move(res.object);
|
|
|
|
return old_res;
|
2018-12-31 20:04:05 +01:00
|
|
|
}
|
|
|
|
|
2018-07-09 01:36:44 +02:00
|
|
|
Impl(const Impl &) = delete;
|
|
|
|
Impl &operator=(const Impl &) = delete;
|
|
|
|
Impl(Impl &&) = delete;
|
|
|
|
Impl &operator=(Impl &&) = delete;
|
2018-12-31 20:04:05 +01:00
|
|
|
~Impl() {
|
2019-03-21 10:59:20 +01:00
|
|
|
multi_impl_->destroy(td_id_);
|
|
|
|
while (!is_closed_) {
|
|
|
|
receive(10);
|
|
|
|
}
|
2018-12-31 20:04:05 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
2019-03-21 10:59:20 +01:00
|
|
|
std::shared_ptr<MultiImpl> multi_impl_;
|
2020-07-30 03:04:57 +02:00
|
|
|
unique_ptr<TdReceiver> receiver_;
|
2019-03-21 10:59:20 +01:00
|
|
|
|
|
|
|
bool is_closed_{false};
|
|
|
|
int32 td_id_;
|
2018-12-31 20:04:05 +01:00
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
2018-09-27 03:19:03 +02:00
|
|
|
Client::Client() : impl_(std::make_unique<Impl>()) {
|
2018-12-31 20:04:05 +01:00
|
|
|
// At least it should be enough for everybody who uses TDLib
|
|
|
|
init_openssl_threads();
|
|
|
|
}
|
|
|
|
|
2018-03-11 21:49:38 +01:00
|
|
|
void Client::send(Request &&request) {
|
2018-12-31 20:04:05 +01:00
|
|
|
impl_->send(std::move(request));
|
|
|
|
}
|
|
|
|
|
|
|
|
Client::Response Client::receive(double timeout) {
|
|
|
|
return impl_->receive(timeout);
|
|
|
|
}
|
|
|
|
|
2018-03-11 21:49:38 +01:00
|
|
|
Client::Response Client::execute(Request &&request) {
|
2018-12-31 20:04:05 +01:00
|
|
|
Response response;
|
|
|
|
response.id = request.id;
|
|
|
|
response.object = Td::static_request(std::move(request.function));
|
|
|
|
return response;
|
|
|
|
}
|
|
|
|
|
|
|
|
Client::~Client() = default;
|
|
|
|
Client::Client(Client &&other) = default;
|
|
|
|
Client &Client::operator=(Client &&other) = default;
|
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
MultiClient::MultiClient() : impl_(std::make_unique<Impl>()) {
|
|
|
|
}
|
|
|
|
|
|
|
|
MultiClient::ClientId MultiClient::create_client() {
|
|
|
|
return impl_->create_client();
|
|
|
|
}
|
2020-07-30 03:04:57 +02:00
|
|
|
|
|
|
|
void MultiClient::send(ClientId client_id, RequestId request_id, Function &&function) {
|
2020-07-29 15:49:35 +02:00
|
|
|
impl_->send(client_id, request_id, std::move(function));
|
|
|
|
}
|
2020-07-30 03:04:57 +02:00
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
MultiClient::Response MultiClient::receive(double timeout) {
|
|
|
|
return impl_->receive(timeout);
|
|
|
|
}
|
2020-07-30 03:04:57 +02:00
|
|
|
|
2020-07-29 15:49:35 +02:00
|
|
|
MultiClient::Object MultiClient::execute(Function &&function) {
|
2020-07-30 03:04:57 +02:00
|
|
|
return Td::static_request(std::move(function));
|
2020-07-29 15:49:35 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
MultiClient::~MultiClient() = default;
|
|
|
|
MultiClient::MultiClient(MultiClient &&other) = default;
|
|
|
|
MultiClient &MultiClient::operator=(MultiClient &&other) = default;
|
|
|
|
|
2018-12-31 20:04:05 +01:00
|
|
|
} // namespace td
|