517 lines
14 KiB
C++
517 lines
14 KiB
C++
//
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
#include "td/telegram/Client.h"
|
|
|
|
#include "td/telegram/Td.h"
|
|
#include "td/telegram/TdCallback.h"
|
|
|
|
#include "td/actor/actor.h"
|
|
|
|
#include "td/utils/common.h"
|
|
#include "td/utils/crypto.h"
|
|
#include "td/utils/logging.h"
|
|
#include "td/utils/misc.h"
|
|
#include "td/utils/MpscPollableQueue.h"
|
|
#include "td/utils/port/RwMutex.h"
|
|
#include "td/utils/port/thread.h"
|
|
|
|
#include <algorithm>
|
|
#include <atomic>
|
|
#include <memory>
|
|
#include <mutex>
|
|
#include <queue>
|
|
#include <unordered_map>
|
|
|
|
namespace td {
|
|
|
|
class MultiTd : public Actor {
|
|
public:
|
|
explicit MultiTd(Td::Options options) : options_(std::move(options)) {
|
|
}
|
|
void create(int32 td_id, unique_ptr<TdCallback> callback) {
|
|
auto &td = tds_[td_id];
|
|
CHECK(td.empty());
|
|
|
|
string name = "Td";
|
|
auto context = std::make_shared<td::ActorContext>();
|
|
auto old_context = set_context(context);
|
|
auto old_tag = set_tag(to_string(td_id));
|
|
td = create_actor<Td>("Td", std::move(callback), options_);
|
|
set_context(old_context);
|
|
set_tag(old_tag);
|
|
}
|
|
|
|
void send(MultiClient::ClientId client_id, MultiClient::RequestId request_id, MultiClient::Function function) {
|
|
auto &td = tds_[client_id];
|
|
CHECK(!td.empty());
|
|
send_closure(td, &Td::request, request_id, std::move(function));
|
|
}
|
|
|
|
void close(int32 td_id) {
|
|
auto size = tds_.erase(td_id);
|
|
CHECK(size == 1);
|
|
}
|
|
|
|
private:
|
|
Td::Options options_;
|
|
std::unordered_map<int32, ActorOwn<Td>> tds_;
|
|
};
|
|
|
|
#if TD_THREAD_UNSUPPORTED || TD_EVENTFD_UNSUPPORTED
|
|
class TdReceiver {
|
|
public:
|
|
MultiClient::Response receive(double timeout) {
|
|
if (!responses_.empty()) {
|
|
auto result = std::move(responses_.front());
|
|
responses_.pop_front();
|
|
return result;
|
|
}
|
|
return {0, 0, nullptr};
|
|
}
|
|
|
|
unique_ptr<TdCallback> create_callback(MultiClient::ClientId client_id) {
|
|
class Callback : public TdCallback {
|
|
public:
|
|
Callback(MultiClient::ClientId client_id, TdReceiver *impl) : client_id_(client_id), impl_(impl) {
|
|
}
|
|
void on_result(uint64 id, td_api::object_ptr<td_api::Object> result) override {
|
|
impl_->responses_.push_back({client_id_, id, std::move(result)});
|
|
}
|
|
void on_error(uint64 id, td_api::object_ptr<td_api::error> error) override {
|
|
impl_->responses_.push_back({client_id_, id, std::move(error)});
|
|
}
|
|
Callback(const Callback &) = delete;
|
|
Callback &operator=(const Callback &) = delete;
|
|
Callback(Callback &&) = delete;
|
|
Callback &operator=(Callback &&) = delete;
|
|
~Callback() override {
|
|
impl_->responses_.push_back({client_id_, 0, nullptr});
|
|
}
|
|
|
|
private:
|
|
MultiClient::ClientId client_id_;
|
|
TdReceiver *impl_;
|
|
};
|
|
return td::make_unique<Callback>(client_id, this);
|
|
}
|
|
|
|
private:
|
|
std::queue<MultiClient::Response> responses_;
|
|
};
|
|
|
|
class MultiClient::Impl final {
|
|
public:
|
|
Impl() {
|
|
options_.net_query_stats = std::make_shared<NetQueryStats>();
|
|
concurrent_scheduler_ = make_unique<ConcurrentScheduler>();
|
|
concurrent_scheduler_->init(0);
|
|
receiver_ = make_unique<TdReceiver>();
|
|
concurrent_scheduler_->start();
|
|
}
|
|
|
|
ClientId create_client() {
|
|
auto client_id = ++client_id_;
|
|
tds_[client_id] =
|
|
concurrent_scheduler_->create_actor_unsafe<Td>(0, "Td", receiver_->create_callback(client_id), options_);
|
|
return client_id;
|
|
}
|
|
|
|
void send(ClientId client_id, RequestId request_id, Function function) {
|
|
Request request;
|
|
request.client_id = client_id;
|
|
request.id = request_id;
|
|
request.function = std::move(function);
|
|
requests_.push_back(std::move(request));
|
|
}
|
|
|
|
Response receive(double timeout) {
|
|
if (!requests_.empty()) {
|
|
auto guard = concurrent_scheduler_->get_main_guard();
|
|
for (auto &request : requests_) {
|
|
auto &td = tds_[request.client_id];
|
|
CHECK(!td.empty());
|
|
send_closure_later(td, &Td::request, request.id, std::move(request.function));
|
|
}
|
|
requests_.clear();
|
|
}
|
|
|
|
auto response = receiver_->receive(0);
|
|
if (response.client_id == 0) {
|
|
concurrent_scheduler_->run_main(0);
|
|
response = receiver_->receive(0);
|
|
} else {
|
|
ConcurrentScheduler::emscripten_clear_main_timeout();
|
|
}
|
|
if (response.client_id != 0 && !response.object) {
|
|
auto guard = concurrent_scheduler_->get_main_guard();
|
|
tds_.erase(response.client_id);
|
|
}
|
|
return response;
|
|
}
|
|
|
|
Impl() = default;
|
|
Impl(const Impl &) = delete;
|
|
Impl &operator=(const Impl &) = delete;
|
|
Impl(Impl &&) = delete;
|
|
Impl &operator=(Impl &&) = delete;
|
|
~Impl() {
|
|
{
|
|
auto guard = concurrent_scheduler_->get_main_guard();
|
|
for (auto &td : tds_) {
|
|
td.second = {};
|
|
}
|
|
}
|
|
while (!tds_.empty()) {
|
|
receive(10);
|
|
}
|
|
concurrent_scheduler_->finish();
|
|
}
|
|
|
|
private:
|
|
unique_ptr<TdReceiver> receiver_;
|
|
struct Request {
|
|
ClientId client_id;
|
|
RequestId id;
|
|
Function function;
|
|
};
|
|
std::vector<Request> requests_;
|
|
unique_ptr<ConcurrentScheduler> concurrent_scheduler_;
|
|
ClientId client_id_{0};
|
|
Td::Options options_;
|
|
std::unordered_map<int32, ActorOwn<Td>> tds_;
|
|
};
|
|
|
|
class Client::Impl final {
|
|
public:
|
|
Impl() {
|
|
client_id_ = impl_.create_client();
|
|
}
|
|
|
|
void send(Request request) {
|
|
impl_.send(client_id_, request.id, std::move(request.function));
|
|
}
|
|
|
|
Response receive(double timeout) {
|
|
auto response = impl_.receive(timeout);
|
|
Response old_response;
|
|
old_response.id = response.id;
|
|
old_response.object = std::move(response.object);
|
|
return old_response;
|
|
}
|
|
|
|
private:
|
|
MultiClient::Impl impl_;
|
|
MultiClient::ClientId client_id_;
|
|
};
|
|
|
|
#else
|
|
|
|
class TdReceiver {
|
|
public:
|
|
TdReceiver() {
|
|
output_queue_ = std::make_shared<OutputQueue>();
|
|
output_queue_->init();
|
|
}
|
|
|
|
MultiClient::Response receive(double timeout) {
|
|
VLOG(td_requests) << "Begin to wait for updates with timeout " << timeout;
|
|
auto is_locked = receive_lock_.exchange(true);
|
|
CHECK(!is_locked);
|
|
auto response = receive_unlocked(timeout);
|
|
is_locked = receive_lock_.exchange(false);
|
|
CHECK(is_locked);
|
|
VLOG(td_requests) << "End to wait for updates, returning object " << response.id << ' ' << response.object.get();
|
|
return response;
|
|
}
|
|
|
|
unique_ptr<TdCallback> create_callback(MultiClient::ClientId client_id) {
|
|
class Callback : public TdCallback {
|
|
public:
|
|
explicit Callback(MultiClient::ClientId client_id, std::shared_ptr<OutputQueue> output_queue)
|
|
: client_id_(client_id), output_queue_(std::move(output_queue)) {
|
|
}
|
|
void on_result(uint64 id, td_api::object_ptr<td_api::Object> result) override {
|
|
output_queue_->writer_put({client_id_, id, std::move(result)});
|
|
}
|
|
void on_error(uint64 id, td_api::object_ptr<td_api::error> error) override {
|
|
output_queue_->writer_put({client_id_, id, std::move(error)});
|
|
}
|
|
Callback(const Callback &) = delete;
|
|
Callback &operator=(const Callback &) = delete;
|
|
Callback(Callback &&) = delete;
|
|
Callback &operator=(Callback &&) = delete;
|
|
~Callback() override {
|
|
output_queue_->writer_put({client_id_, 0, nullptr});
|
|
}
|
|
|
|
private:
|
|
MultiClient::ClientId client_id_;
|
|
std::shared_ptr<OutputQueue> output_queue_;
|
|
};
|
|
return td::make_unique<Callback>(client_id, output_queue_);
|
|
}
|
|
|
|
private:
|
|
using OutputQueue = MpscPollableQueue<MultiClient::Response>;
|
|
std::shared_ptr<OutputQueue> output_queue_;
|
|
int output_queue_ready_cnt_{0};
|
|
std::atomic<bool> receive_lock_{false};
|
|
|
|
MultiClient::Response receive_unlocked(double timeout) {
|
|
if (output_queue_ready_cnt_ == 0) {
|
|
output_queue_ready_cnt_ = output_queue_->reader_wait_nonblock();
|
|
}
|
|
if (output_queue_ready_cnt_ > 0) {
|
|
output_queue_ready_cnt_--;
|
|
return output_queue_->reader_get_unsafe();
|
|
}
|
|
if (timeout != 0) {
|
|
output_queue_->reader_get_event_fd().wait(static_cast<int>(timeout * 1000));
|
|
return receive_unlocked(0);
|
|
}
|
|
return {0, 0, nullptr};
|
|
}
|
|
};
|
|
|
|
class MultiImpl {
|
|
public:
|
|
explicit MultiImpl(std::shared_ptr<NetQueryStats> net_query_stats) {
|
|
concurrent_scheduler_ = std::make_shared<ConcurrentScheduler>();
|
|
concurrent_scheduler_->init(3);
|
|
concurrent_scheduler_->start();
|
|
|
|
{
|
|
auto guard = concurrent_scheduler_->get_main_guard();
|
|
Td::Options options;
|
|
options.net_query_stats = std::move(net_query_stats);
|
|
multi_td_ = create_actor<MultiTd>("MultiTd", std::move(options));
|
|
}
|
|
|
|
scheduler_thread_ = thread([concurrent_scheduler = concurrent_scheduler_] {
|
|
while (concurrent_scheduler->run_main(10)) {
|
|
}
|
|
});
|
|
}
|
|
MultiImpl(const MultiImpl &) = delete;
|
|
MultiImpl &operator=(const MultiImpl &) = delete;
|
|
MultiImpl(MultiImpl &&) = delete;
|
|
MultiImpl &operator=(MultiImpl &&) = delete;
|
|
|
|
int32 create(TdReceiver &receiver) {
|
|
auto id = create_id();
|
|
create(id, receiver.create_callback(id));
|
|
return id;
|
|
}
|
|
|
|
void send(MultiClient::ClientId client_id, MultiClient::RequestId request_id, MultiClient::Function function) {
|
|
auto guard = concurrent_scheduler_->get_send_guard();
|
|
send_closure(multi_td_, &MultiTd::send, client_id, request_id, std::move(function));
|
|
}
|
|
|
|
void close(int32 td_id) {
|
|
auto guard = concurrent_scheduler_->get_send_guard();
|
|
send_closure(multi_td_, &MultiTd::close, td_id);
|
|
}
|
|
|
|
~MultiImpl() {
|
|
{
|
|
auto guard = concurrent_scheduler_->get_send_guard();
|
|
multi_td_.reset();
|
|
Scheduler::instance()->finish();
|
|
}
|
|
scheduler_thread_.join();
|
|
concurrent_scheduler_->finish();
|
|
}
|
|
|
|
private:
|
|
std::shared_ptr<ConcurrentScheduler> concurrent_scheduler_;
|
|
thread scheduler_thread_;
|
|
ActorOwn<MultiTd> multi_td_;
|
|
|
|
static int32 create_id() {
|
|
static std::atomic<int32> current_id{1};
|
|
return current_id.fetch_add(1);
|
|
}
|
|
|
|
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));
|
|
}
|
|
};
|
|
|
|
class MultiImplPool {
|
|
public:
|
|
std::shared_ptr<MultiImpl> get() {
|
|
std::unique_lock<std::mutex> lock(mutex_);
|
|
if (impls_.empty()) {
|
|
init_openssl_threads();
|
|
|
|
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>(net_query_stats_);
|
|
impl = res;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
private:
|
|
std::mutex mutex_;
|
|
std::vector<std::weak_ptr<MultiImpl>> impls_;
|
|
std::shared_ptr<NetQueryStats> net_query_stats_ = std::make_shared<NetQueryStats>();
|
|
};
|
|
|
|
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;
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
Impl() = default;
|
|
Impl(const Impl &) = delete;
|
|
Impl &operator=(const Impl &) = delete;
|
|
Impl(Impl &&) = delete;
|
|
Impl &operator=(Impl &&) = delete;
|
|
~Impl() {
|
|
for (auto &it : impls_) {
|
|
it.second->close(it.first);
|
|
}
|
|
while (!impls_.empty()) {
|
|
receive(10);
|
|
}
|
|
}
|
|
|
|
private:
|
|
MultiImplPool pool_;
|
|
RwMutex impls_mutex_;
|
|
std::unordered_map<ClientId, std::shared_ptr<MultiImpl>> impls_;
|
|
unique_ptr<TdReceiver> receiver_{make_unique<TdReceiver>()};
|
|
};
|
|
|
|
class Client::Impl final {
|
|
public:
|
|
Impl() {
|
|
static MultiImplPool pool;
|
|
multi_impl_ = pool.get();
|
|
receiver_ = make_unique<TdReceiver>();
|
|
td_id_ = multi_impl_->create(*receiver_);
|
|
}
|
|
|
|
void send(Client::Request request) {
|
|
if (request.id == 0 || request.function == nullptr) {
|
|
LOG(ERROR) << "Drop wrong request " << request.id;
|
|
return;
|
|
}
|
|
|
|
multi_impl_->send(td_id_, request.id, std::move(request.function));
|
|
}
|
|
|
|
Client::Response receive(double timeout) {
|
|
auto res = receiver_->receive(timeout);
|
|
|
|
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;
|
|
}
|
|
|
|
Impl(const Impl &) = delete;
|
|
Impl &operator=(const Impl &) = delete;
|
|
Impl(Impl &&) = delete;
|
|
Impl &operator=(Impl &&) = delete;
|
|
~Impl() {
|
|
multi_impl_->close(td_id_);
|
|
while (!is_closed_) {
|
|
receive(10);
|
|
}
|
|
}
|
|
|
|
private:
|
|
std::shared_ptr<MultiImpl> multi_impl_;
|
|
unique_ptr<TdReceiver> receiver_;
|
|
|
|
bool is_closed_{false};
|
|
int32 td_id_;
|
|
};
|
|
#endif
|
|
|
|
Client::Client() : impl_(std::make_unique<Impl>()) {
|
|
}
|
|
|
|
void Client::send(Request &&request) {
|
|
impl_->send(std::move(request));
|
|
}
|
|
|
|
Client::Response Client::receive(double timeout) {
|
|
return impl_->receive(timeout);
|
|
}
|
|
|
|
Client::Response Client::execute(Request &&request) {
|
|
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;
|
|
|
|
MultiClient::MultiClient() : impl_(std::make_unique<Impl>()) {
|
|
}
|
|
|
|
MultiClient::ClientId MultiClient::create_client() {
|
|
return impl_->create_client();
|
|
}
|
|
|
|
void MultiClient::send(ClientId client_id, RequestId request_id, Function &&function) {
|
|
impl_->send(client_id, request_id, std::move(function));
|
|
}
|
|
|
|
MultiClient::Response MultiClient::receive(double timeout) {
|
|
return impl_->receive(timeout);
|
|
}
|
|
|
|
MultiClient::Object MultiClient::execute(Function &&function) {
|
|
return Td::static_request(std::move(function));
|
|
}
|
|
|
|
MultiClient::~MultiClient() = default;
|
|
MultiClient::MultiClient(MultiClient &&other) = default;
|
|
MultiClient &MultiClient::operator=(MultiClient &&other) = default;
|
|
|
|
} // namespace td
|