796 lines
30 KiB
C++
796 lines
30 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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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/CallActor.h"
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#include "td/telegram/td_api.h"
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#include "td/telegram/telegram_api.h"
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#include "td/telegram/telegram_api.hpp"
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#include "td/telegram/ConfigShared.h"
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#include "td/telegram/ContactsManager.h"
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#include "td/telegram/DhCache.h"
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#include "td/telegram/DialogId.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/misc.h"
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#include "td/telegram/net/NetQueryCreator.h"
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#include "td/telegram/net/NetQueryDispatcher.h"
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#include "td/telegram/NotificationManager.h"
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#include "td/telegram/Td.h"
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#include "td/telegram/UpdatesManager.h"
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#include "td/utils/as.h"
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#include "td/utils/bits.h"
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#include "td/utils/buffer.h"
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#include "td/utils/common.h"
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#include "td/utils/crypto.h"
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#include "td/utils/logging.h"
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#include "td/utils/Random.h"
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#include <tuple>
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#include <unordered_set>
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namespace td {
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CallProtocol CallProtocol::from_telegram_api(const telegram_api::phoneCallProtocol &protocol) {
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CallProtocol res;
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res.udp_p2p = protocol.udp_p2p_;
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res.udp_reflector = protocol.udp_reflector_;
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res.min_layer = protocol.min_layer_;
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res.max_layer = protocol.max_layer_;
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res.library_versions = protocol.library_versions_;
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return res;
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}
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tl_object_ptr<telegram_api::phoneCallProtocol> CallProtocol::as_telegram_api() const {
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int32 flags = 0;
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if (udp_p2p) {
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flags |= telegram_api::phoneCallProtocol::UDP_P2P_MASK;
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}
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if (udp_reflector) {
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flags |= telegram_api::phoneCallProtocol::UDP_REFLECTOR_MASK;
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}
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return make_tl_object<telegram_api::phoneCallProtocol>(flags, udp_p2p, udp_reflector, min_layer, max_layer,
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vector<string>(library_versions));
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}
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CallProtocol CallProtocol::from_td_api(const td_api::callProtocol &protocol) {
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CallProtocol res;
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res.udp_p2p = protocol.udp_p2p_;
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res.udp_reflector = protocol.udp_reflector_;
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res.min_layer = protocol.min_layer_;
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res.max_layer = protocol.max_layer_;
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res.library_versions = protocol.library_versions_;
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return res;
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}
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tl_object_ptr<td_api::callProtocol> CallProtocol::as_td_api() const {
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return make_tl_object<td_api::callProtocol>(udp_p2p, udp_reflector, min_layer, max_layer,
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vector<string>(library_versions));
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}
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CallConnection CallConnection::from_telegram_api(const telegram_api::phoneConnection &connection) {
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CallConnection res;
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res.id = connection.id_;
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res.ip = connection.ip_;
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res.ipv6 = connection.ipv6_;
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res.port = connection.port_;
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res.peer_tag = connection.peer_tag_.as_slice().str();
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return res;
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}
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tl_object_ptr<telegram_api::phoneConnection> CallConnection::as_telegram_api() const {
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return make_tl_object<telegram_api::phoneConnection>(id, ip, ipv6, port, BufferSlice(peer_tag));
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}
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tl_object_ptr<td_api::callConnection> CallConnection::as_td_api() const {
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return make_tl_object<td_api::callConnection>(id, ip, ipv6, port, peer_tag);
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}
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// CallState
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tl_object_ptr<td_api::CallState> CallState::as_td_api() const {
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switch (type) {
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case Type::Pending:
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return make_tl_object<td_api::callStatePending>(is_created, is_received);
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case Type::ExchangingKey:
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return make_tl_object<td_api::callStateExchangingKeys>();
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case Type::Ready: {
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std::vector<tl_object_ptr<td_api::callConnection>> v;
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for (auto &c : connections) {
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v.push_back(c.as_td_api());
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}
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return make_tl_object<td_api::callStateReady>(protocol.as_td_api(), std::move(v), config, key,
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vector<string>(emojis_fingerprint), allow_p2p);
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}
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case Type::HangingUp:
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return make_tl_object<td_api::callStateHangingUp>();
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case Type::Discarded:
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return make_tl_object<td_api::callStateDiscarded>(get_call_discard_reason_object(discard_reason), need_rating,
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need_debug_information);
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case Type::Error:
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CHECK(error.is_error());
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return make_tl_object<td_api::callStateError>(make_tl_object<td_api::error>(error.code(), error.message().str()));
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case Type::Empty:
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default:
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UNREACHABLE();
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return nullptr;
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}
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}
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CallActor::CallActor(CallId call_id, ActorShared<> parent, Promise<int64> promise)
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: parent_(std::move(parent)), call_id_promise_(std::move(promise)), local_call_id_(call_id) {
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}
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void CallActor::create_call(UserId user_id, tl_object_ptr<telegram_api::InputUser> &&input_user,
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CallProtocol &&protocol, bool is_video, Promise<CallId> &&promise) {
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CHECK(state_ == State::Empty);
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state_ = State::SendRequestQuery;
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is_outgoing_ = true;
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is_video_ = is_video;
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user_id_ = user_id;
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input_user_ = std::move(input_user);
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call_state_.protocol = std::move(protocol);
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call_state_.type = CallState::Type::Pending;
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call_state_.is_received = false;
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call_state_need_flush_ = true;
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loop();
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promise.set_value(CallId(local_call_id_));
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}
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void CallActor::discard_call(bool is_disconnected, int32 duration, bool is_video, int64 connection_id,
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Promise<> promise) {
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promise.set_value(Unit());
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if (state_ == State::Discarded || state_ == State::WaitDiscardResult || state_ == State::SendDiscardQuery) {
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return;
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}
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is_video_ |= is_video;
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if (state_ == State::WaitRequestResult && !request_query_ref_.empty()) {
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LOG(INFO) << "Cancel request call query";
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cancel_query(request_query_ref_);
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}
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switch (call_state_.type) {
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case CallState::Type::Empty:
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case CallState::Type::Pending:
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if (is_outgoing_) {
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call_state_.discard_reason = CallDiscardReason::Missed;
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} else {
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call_state_.discard_reason = CallDiscardReason::Declined;
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}
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break;
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case CallState::Type::ExchangingKey:
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call_state_.discard_reason = is_disconnected ? CallDiscardReason::Disconnected : CallDiscardReason::HungUp;
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break;
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case CallState::Type::Ready:
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call_state_.discard_reason = is_disconnected ? CallDiscardReason::Disconnected : CallDiscardReason::HungUp;
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duration_ = duration;
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connection_id_ = connection_id;
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break;
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case CallState::Type::HangingUp:
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case CallState::Type::Discarded:
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case CallState::Type::Error:
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default:
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UNREACHABLE();
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return;
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}
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call_state_.type = CallState::Type::HangingUp;
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call_state_need_flush_ = true;
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state_ = State::SendDiscardQuery;
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loop();
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}
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void CallActor::accept_call(CallProtocol &&protocol, Promise<> promise) {
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if (state_ != State::SendAcceptQuery) {
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return promise.set_error(Status::Error(400, "Unexpected acceptCall"));
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}
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is_accepted_ = true;
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call_state_.protocol = std::move(protocol);
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promise.set_value(Unit());
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loop();
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}
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void CallActor::rate_call(int32 rating, string comment, vector<td_api::object_ptr<td_api::CallProblem>> &&problems,
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Promise<> promise) {
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if (!call_state_.need_rating) {
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return promise.set_error(Status::Error(400, "Unexpected sendCallRating"));
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}
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promise.set_value(Unit());
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if (rating == 5) {
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comment.clear();
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}
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std::unordered_set<string> tags;
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for (auto &problem : problems) {
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if (problem == nullptr) {
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continue;
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}
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const char *tag = [problem_id = problem->get_id()] {
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switch (problem_id) {
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case td_api::callProblemEcho::ID:
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return "echo";
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case td_api::callProblemNoise::ID:
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return "noise";
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case td_api::callProblemInterruptions::ID:
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return "interruptions";
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case td_api::callProblemDistortedSpeech::ID:
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return "distorted_speech";
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case td_api::callProblemSilentLocal::ID:
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return "silent_local";
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case td_api::callProblemSilentRemote::ID:
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return "silent_remote";
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case td_api::callProblemDropped::ID:
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return "dropped";
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default:
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UNREACHABLE();
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return "";
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}
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}();
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if (tags.insert(tag).second) {
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if (!comment.empty()) {
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comment += ' ';
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}
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comment += '#';
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comment += tag;
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}
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}
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auto tl_query = telegram_api::phone_setCallRating(0, false /*ignored*/, get_input_phone_call("rate_call"), rating,
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std::move(comment));
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auto query = G()->net_query_creator().create(tl_query);
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send_with_promise(std::move(query), PromiseCreator::lambda([actor_id = actor_id(this)](NetQueryPtr net_query) {
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send_closure(actor_id, &CallActor::on_set_rating_query_result, std::move(net_query));
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}));
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loop();
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}
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void CallActor::on_set_rating_query_result(NetQueryPtr net_query) {
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auto res = fetch_result<telegram_api::phone_setCallRating>(std::move(net_query));
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if (res.is_error()) {
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return on_error(res.move_as_error());
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}
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call_state_.need_rating = false;
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send_closure(G()->updates_manager(), &UpdatesManager::on_get_updates, res.move_as_ok());
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}
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void CallActor::send_call_debug_information(string data, Promise<> promise) {
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if (!call_state_.need_debug_information) {
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return promise.set_error(Status::Error(400, "Unexpected sendCallDebugInformation"));
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}
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promise.set_value(Unit());
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auto tl_query = telegram_api::phone_saveCallDebug(get_input_phone_call("send_call_debug_information"),
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make_tl_object<telegram_api::dataJSON>(std::move(data)));
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auto query = G()->net_query_creator().create(tl_query);
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send_with_promise(std::move(query), PromiseCreator::lambda([actor_id = actor_id(this)](NetQueryPtr net_query) {
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send_closure(actor_id, &CallActor::on_set_debug_query_result, std::move(net_query));
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}));
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loop();
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}
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void CallActor::on_set_debug_query_result(NetQueryPtr net_query) {
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auto res = fetch_result<telegram_api::phone_saveCallDebug>(std::move(net_query));
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if (res.is_error()) {
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return on_error(res.move_as_error());
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}
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call_state_.need_debug_information = false;
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}
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// Requests
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void CallActor::update_call(tl_object_ptr<telegram_api::PhoneCall> call) {
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LOG(INFO) << "Receive " << to_string(call);
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Status status;
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downcast_call(*call, [&](auto &call) { status = this->do_update_call(call); });
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if (status.is_error()) {
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LOG(INFO) << "Receive error " << status << ", while handling update " << to_string(call);
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on_error(std::move(status));
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}
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loop();
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}
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void CallActor::update_call_inner(tl_object_ptr<telegram_api::phone_phoneCall> call) {
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LOG(INFO) << "Update call with " << to_string(call);
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send_closure(G()->contacts_manager(), &ContactsManager::on_get_users, std::move(call->users_), "UpdatePhoneCall");
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update_call(std::move(call->phone_call_));
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}
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Status CallActor::do_update_call(telegram_api::phoneCallEmpty &call) {
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return Status::Error(400, "Call is finished");
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}
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Status CallActor::do_update_call(telegram_api::phoneCallWaiting &call) {
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if (state_ != State::WaitRequestResult && state_ != State::WaitAcceptResult) {
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return Status::Error(500, PSLICE() << "Drop unexpected " << to_string(call));
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}
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if (state_ == State::WaitAcceptResult) {
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LOG(DEBUG) << "Do update call to Waiting";
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on_begin_exchanging_key();
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} else {
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LOG(DEBUG) << "Do update call to Waiting";
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if ((call.flags_ & telegram_api::phoneCallWaiting::RECEIVE_DATE_MASK) != 0) {
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call_state_.is_received = true;
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call_state_need_flush_ = true;
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int32 call_ring_timeout_ms = G()->shared_config().get_option_integer("call_ring_timeout_ms", 90000);
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set_timeout_in(call_ring_timeout_ms * 0.001);
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}
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}
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call_id_ = call.id_;
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call_access_hash_ = call.access_hash_;
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is_call_id_inited_ = true;
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is_video_ |= (call.flags_ & telegram_api::phoneCallWaiting::VIDEO_MASK) != 0;
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call_admin_id_ = call.admin_id_;
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call_participant_id_ = call.participant_id_;
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if (call_id_promise_) {
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call_id_promise_.set_value(std::move(call.id_));
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}
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if (!call_state_.is_created) {
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call_state_.is_created = true;
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call_state_need_flush_ = true;
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}
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return Status::OK();
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}
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Status CallActor::do_update_call(telegram_api::phoneCallRequested &call) {
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if (state_ != State::Empty) {
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return Status::Error(500, PSLICE() << "Drop unexpected " << to_string(call));
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}
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LOG(DEBUG) << "Do update call to Requested";
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call_id_ = call.id_;
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call_access_hash_ = call.access_hash_;
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is_call_id_inited_ = true;
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is_video_ |= (call.flags_ & telegram_api::phoneCallRequested::VIDEO_MASK) != 0;
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call_admin_id_ = call.admin_id_;
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call_participant_id_ = call.participant_id_;
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if (call_id_promise_) {
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call_id_promise_.set_value(std::move(call.id_));
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}
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dh_handshake_.set_g_a_hash(call.g_a_hash_.as_slice());
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state_ = State::SendAcceptQuery;
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call_state_.type = CallState::Type::Pending;
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call_state_.is_created = true;
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call_state_.is_received = true;
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call_state_need_flush_ = true;
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send_received_query();
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return Status::OK();
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}
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tl_object_ptr<telegram_api::inputPhoneCall> CallActor::get_input_phone_call(const char *source) {
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LOG_CHECK(is_call_id_inited_) << source;
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return make_tl_object<telegram_api::inputPhoneCall>(call_id_, call_access_hash_);
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}
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Status CallActor::do_update_call(telegram_api::phoneCallAccepted &call) {
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if (state_ != State::WaitRequestResult) {
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return Status::Error(500, PSLICE() << "Drop unexpected " << to_string(call));
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}
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LOG(DEBUG) << "Do update call to Accepted";
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if (!is_call_id_inited_) {
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call_id_ = call.id_;
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call_access_hash_ = call.access_hash_;
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is_call_id_inited_ = true;
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call_admin_id_ = call.admin_id_;
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call_participant_id_ = call.participant_id_;
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if (call_id_promise_) {
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call_id_promise_.set_value(std::move(call.id_));
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}
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}
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is_video_ |= (call.flags_ & telegram_api::phoneCallAccepted::VIDEO_MASK) != 0;
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dh_handshake_.set_g_a(call.g_b_.as_slice());
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TRY_STATUS(dh_handshake_.run_checks(true, DhCache::instance()));
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std::tie(call_state_.key_fingerprint, call_state_.key) = dh_handshake_.gen_key();
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state_ = State::SendConfirmQuery;
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on_begin_exchanging_key();
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return Status::OK();
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}
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void CallActor::on_begin_exchanging_key() {
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call_state_.type = CallState::Type::ExchangingKey;
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call_state_need_flush_ = true;
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int32 call_receive_timeout_ms = G()->shared_config().get_option_integer("call_receive_timeout_ms", 20000);
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double timeout = call_receive_timeout_ms * 0.001;
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LOG(INFO) << "Set call timeout to " << timeout;
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set_timeout_in(timeout);
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}
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Status CallActor::do_update_call(telegram_api::phoneCall &call) {
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if (state_ != State::WaitAcceptResult && state_ != State::WaitConfirmResult) {
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return Status::Error(500, PSLICE() << "Drop unexpected " << to_string(call));
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}
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cancel_timeout();
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LOG(DEBUG) << "Do update call to Ready from state " << static_cast<int32>(state_);
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if (state_ == State::WaitAcceptResult) {
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dh_handshake_.set_g_a(call.g_a_or_b_.as_slice());
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TRY_STATUS(dh_handshake_.run_checks(true, DhCache::instance()));
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std::tie(call_state_.key_fingerprint, call_state_.key) = dh_handshake_.gen_key();
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}
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if (call_state_.key_fingerprint != call.key_fingerprint_) {
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return Status::Error(400, "Key fingerprints mismatch");
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}
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call_state_.emojis_fingerprint =
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get_emojis_fingerprint(call_state_.key, is_outgoing_ ? dh_handshake_.get_g_b() : dh_handshake_.get_g_a());
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for (auto &connection : call.connections_) {
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call_state_.connections.push_back(CallConnection::from_telegram_api(*connection));
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}
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call_state_.protocol = CallProtocol::from_telegram_api(*call.protocol_);
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call_state_.allow_p2p = (call.flags_ & telegram_api::phoneCall::P2P_ALLOWED_MASK) != 0;
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call_state_.type = CallState::Type::Ready;
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call_state_need_flush_ = true;
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return Status::OK();
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}
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Status CallActor::do_update_call(telegram_api::phoneCallDiscarded &call) {
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LOG(DEBUG) << "Do update call to Discarded";
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on_call_discarded(get_call_discard_reason(call.reason_), call.need_rating_, call.need_debug_, call.video_);
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return Status::OK();
|
|
}
|
|
|
|
void CallActor::on_call_discarded(CallDiscardReason reason, bool need_rating, bool need_debug, bool is_video) {
|
|
state_ = State::Discarded;
|
|
is_video_ |= is_video;
|
|
|
|
if (call_state_.discard_reason == CallDiscardReason::Empty || reason != CallDiscardReason::Empty) {
|
|
call_state_.discard_reason = reason;
|
|
}
|
|
if (call_state_.type != CallState::Type::Error) {
|
|
call_state_.need_rating = need_rating;
|
|
call_state_.need_debug_information = need_debug;
|
|
call_state_.type = CallState::Type::Discarded;
|
|
call_state_need_flush_ = true;
|
|
}
|
|
}
|
|
|
|
bool CallActor::load_dh_config() {
|
|
if (dh_config_ready_) {
|
|
LOG(DEBUG) << "Dh config is ready";
|
|
return true;
|
|
}
|
|
if (!dh_config_query_sent_) {
|
|
dh_config_query_sent_ = true;
|
|
do_load_dh_config(PromiseCreator::lambda([actor_id = actor_id(this)](Result<std::shared_ptr<DhConfig>> dh_config) {
|
|
send_closure(actor_id, &CallActor::on_dh_config, std::move(dh_config), false);
|
|
}));
|
|
}
|
|
LOG(INFO) << "Dh config is not loaded";
|
|
return false;
|
|
}
|
|
|
|
void CallActor::on_error(Status status) {
|
|
CHECK(status.is_error());
|
|
LOG(INFO) << "Receive error " << status;
|
|
|
|
if (state_ == State::WaitRequestResult && !request_query_ref_.empty()) {
|
|
LOG(INFO) << "Cancel request call query";
|
|
cancel_query(request_query_ref_);
|
|
}
|
|
if (state_ == State::WaitDiscardResult || state_ == State::Discarded) {
|
|
state_ = State::Discarded;
|
|
} else {
|
|
state_ = State::SendDiscardQuery;
|
|
call_state_.discard_reason =
|
|
call_state_.type == CallState::Type::Pending ? CallDiscardReason::Missed : CallDiscardReason::Disconnected;
|
|
}
|
|
|
|
call_state_.type = CallState::Type::Error;
|
|
call_state_.error = std::move(status);
|
|
call_state_need_flush_ = true;
|
|
}
|
|
|
|
void CallActor::on_dh_config(Result<std::shared_ptr<DhConfig>> r_dh_config, bool dummy) {
|
|
if (r_dh_config.is_error()) {
|
|
return on_error(r_dh_config.move_as_error());
|
|
}
|
|
|
|
dh_config_ = r_dh_config.move_as_ok();
|
|
auto check_result = DhHandshake::check_config(dh_config_->g, dh_config_->prime, DhCache::instance());
|
|
if (check_result.is_error()) {
|
|
return on_error(std::move(check_result));
|
|
}
|
|
|
|
dh_config_ready_ = true;
|
|
yield();
|
|
}
|
|
|
|
void CallActor::do_load_dh_config(Promise<std::shared_ptr<DhConfig>> promise) {
|
|
//TODO: move to external actor
|
|
auto dh_config = G()->get_dh_config();
|
|
int32 version = 0;
|
|
if (dh_config) {
|
|
version = dh_config->version;
|
|
}
|
|
int random_length = 0;
|
|
telegram_api::messages_getDhConfig tl_query(version, random_length);
|
|
auto query = G()->net_query_creator().create(tl_query);
|
|
send_with_promise(std::move(query),
|
|
PromiseCreator::lambda([actor_id = actor_id(this), old_dh_config = std::move(dh_config),
|
|
promise = std::move(promise)](Result<NetQueryPtr> result_query) mutable {
|
|
promise.set_result([&]() -> Result<std::shared_ptr<DhConfig>> {
|
|
TRY_RESULT(query, std::move(result_query));
|
|
TRY_RESULT(new_dh_config, fetch_result<telegram_api::messages_getDhConfig>(std::move(query)));
|
|
if (new_dh_config->get_id() == telegram_api::messages_dhConfig::ID) {
|
|
auto dh = move_tl_object_as<telegram_api::messages_dhConfig>(new_dh_config);
|
|
auto dh_config = std::make_shared<DhConfig>();
|
|
dh_config->version = dh->version_;
|
|
dh_config->prime = dh->p_.as_slice().str();
|
|
dh_config->g = dh->g_;
|
|
Random::add_seed(dh->random_.as_slice());
|
|
G()->set_dh_config(dh_config);
|
|
return std::move(dh_config);
|
|
} else if (new_dh_config->get_id() == telegram_api::messages_dhConfigNotModified::ID) {
|
|
auto dh = move_tl_object_as<telegram_api::messages_dhConfigNotModified>(new_dh_config);
|
|
Random::add_seed(dh->random_.as_slice());
|
|
}
|
|
if (old_dh_config) {
|
|
return std::move(old_dh_config);
|
|
}
|
|
return Status::Error(500, "Can't load DhConfig");
|
|
}());
|
|
}));
|
|
}
|
|
|
|
void CallActor::send_received_query() {
|
|
auto tl_query = telegram_api::phone_receivedCall(get_input_phone_call("send_received_query"));
|
|
auto query = G()->net_query_creator().create(tl_query);
|
|
send_with_promise(std::move(query), PromiseCreator::lambda([actor_id = actor_id(this)](NetQueryPtr net_query) {
|
|
send_closure(actor_id, &CallActor::on_received_query_result, std::move(net_query));
|
|
}));
|
|
}
|
|
|
|
void CallActor::on_received_query_result(NetQueryPtr net_query) {
|
|
auto res = fetch_result<telegram_api::phone_receivedCall>(std::move(net_query));
|
|
if (res.is_error()) {
|
|
return on_error(res.move_as_error());
|
|
}
|
|
}
|
|
|
|
void CallActor::try_send_request_query() {
|
|
LOG(INFO) << "Trying to send request query";
|
|
if (!load_dh_config()) {
|
|
return;
|
|
}
|
|
dh_handshake_.set_config(dh_config_->g, dh_config_->prime);
|
|
CHECK(input_user_ != nullptr);
|
|
int32 flags = 0;
|
|
if (is_video_) {
|
|
flags |= telegram_api::phone_requestCall::VIDEO_MASK;
|
|
}
|
|
auto tl_query = telegram_api::phone_requestCall(flags, false /*ignored*/, std::move(input_user_),
|
|
Random::secure_int32(), BufferSlice(dh_handshake_.get_g_b_hash()),
|
|
call_state_.protocol.as_telegram_api());
|
|
auto query = G()->net_query_creator().create(tl_query);
|
|
state_ = State::WaitRequestResult;
|
|
int32 call_receive_timeout_ms = G()->shared_config().get_option_integer("call_receive_timeout_ms", 20000);
|
|
double timeout = call_receive_timeout_ms * 0.001;
|
|
LOG(INFO) << "Set call timeout to " << timeout;
|
|
set_timeout_in(timeout);
|
|
query->total_timeout_limit = timeout;
|
|
request_query_ref_ = query.get_weak();
|
|
send_with_promise(std::move(query), PromiseCreator::lambda([actor_id = actor_id(this)](NetQueryPtr net_query) {
|
|
send_closure(actor_id, &CallActor::on_request_query_result, std::move(net_query));
|
|
}));
|
|
}
|
|
|
|
void CallActor::on_request_query_result(NetQueryPtr net_query) {
|
|
auto res = fetch_result<telegram_api::phone_requestCall>(std::move(net_query));
|
|
if (res.is_error()) {
|
|
return on_error(res.move_as_error());
|
|
}
|
|
update_call_inner(res.move_as_ok());
|
|
}
|
|
|
|
//phone.acceptCall#3bd2b4a0 peer:InputPhoneCall g_b:bytes protocol:PhoneCallProtocol = phone.PhoneCall;
|
|
void CallActor::try_send_accept_query() {
|
|
LOG(INFO) << "Trying to send accept query";
|
|
if (!load_dh_config()) {
|
|
return;
|
|
}
|
|
if (!is_accepted_) {
|
|
LOG(DEBUG) << "Call is not accepted";
|
|
return;
|
|
}
|
|
dh_handshake_.set_config(dh_config_->g, dh_config_->prime);
|
|
auto tl_query =
|
|
telegram_api::phone_acceptCall(get_input_phone_call("try_send_accept_query"),
|
|
BufferSlice(dh_handshake_.get_g_b()), call_state_.protocol.as_telegram_api());
|
|
auto query = G()->net_query_creator().create(tl_query);
|
|
state_ = State::WaitAcceptResult;
|
|
send_with_promise(std::move(query), PromiseCreator::lambda([actor_id = actor_id(this)](NetQueryPtr net_query) {
|
|
send_closure(actor_id, &CallActor::on_accept_query_result, std::move(net_query));
|
|
}));
|
|
}
|
|
|
|
void CallActor::on_accept_query_result(NetQueryPtr net_query) {
|
|
auto res = fetch_result<telegram_api::phone_acceptCall>(std::move(net_query));
|
|
if (res.is_error()) {
|
|
return on_error(res.move_as_error());
|
|
}
|
|
update_call_inner(res.move_as_ok());
|
|
}
|
|
|
|
//phone.confirmCall#2efe1722 peer:InputPhoneCall g_a:bytes key_fingerprint:long protocol:PhoneCallProtocol = phone.PhoneCall;
|
|
void CallActor::try_send_confirm_query() {
|
|
LOG(INFO) << "Trying to send confirm query";
|
|
if (!load_dh_config()) {
|
|
return;
|
|
}
|
|
auto tl_query = telegram_api::phone_confirmCall(get_input_phone_call("try_send_confirm_query"),
|
|
BufferSlice(dh_handshake_.get_g_b()), call_state_.key_fingerprint,
|
|
call_state_.protocol.as_telegram_api());
|
|
auto query = G()->net_query_creator().create(tl_query);
|
|
state_ = State::WaitConfirmResult;
|
|
send_with_promise(std::move(query), PromiseCreator::lambda([actor_id = actor_id(this)](NetQueryPtr net_query) {
|
|
send_closure(actor_id, &CallActor::on_confirm_query_result, std::move(net_query));
|
|
}));
|
|
}
|
|
|
|
void CallActor::on_confirm_query_result(NetQueryPtr net_query) {
|
|
auto res = fetch_result<telegram_api::phone_confirmCall>(std::move(net_query));
|
|
if (res.is_error()) {
|
|
return on_error(res.move_as_error());
|
|
}
|
|
update_call_inner(res.move_as_ok());
|
|
}
|
|
|
|
void CallActor::try_send_discard_query() {
|
|
if (call_id_ == 0) {
|
|
LOG(INFO) << "Failed to send discard query, because call_id_ is unknown";
|
|
on_call_discarded(CallDiscardReason::Missed, false, false, is_video_);
|
|
yield();
|
|
return;
|
|
}
|
|
LOG(INFO) << "Trying to send discard query";
|
|
int32 flags = 0;
|
|
if (is_video_) {
|
|
flags |= telegram_api::phone_discardCall::VIDEO_MASK;
|
|
}
|
|
auto tl_query = telegram_api::phone_discardCall(
|
|
flags, false /*ignored*/, get_input_phone_call("try_send_discard_query"), duration_,
|
|
get_input_phone_call_discard_reason(call_state_.discard_reason), connection_id_);
|
|
auto query = G()->net_query_creator().create(tl_query);
|
|
state_ = State::WaitDiscardResult;
|
|
send_with_promise(std::move(query), PromiseCreator::lambda([actor_id = actor_id(this)](NetQueryPtr net_query) {
|
|
send_closure(actor_id, &CallActor::on_discard_query_result, std::move(net_query));
|
|
}));
|
|
}
|
|
|
|
void CallActor::on_discard_query_result(NetQueryPtr net_query) {
|
|
auto res = fetch_result<telegram_api::phone_discardCall>(std::move(net_query));
|
|
if (res.is_error()) {
|
|
return on_error(res.move_as_error());
|
|
}
|
|
send_closure(G()->updates_manager(), &UpdatesManager::on_get_updates, res.move_as_ok());
|
|
}
|
|
|
|
void CallActor::flush_call_state() {
|
|
if (call_state_need_flush_) {
|
|
if (!is_outgoing_) {
|
|
if (call_state_.type == CallState::Type::Pending) {
|
|
if (!has_notification_) {
|
|
has_notification_ = true;
|
|
send_closure(G()->notification_manager(), &NotificationManager::add_call_notification,
|
|
DialogId(UserId(call_admin_id_)), local_call_id_);
|
|
}
|
|
} else {
|
|
if (has_notification_) {
|
|
has_notification_ = false;
|
|
send_closure(G()->notification_manager(), &NotificationManager::remove_call_notification,
|
|
DialogId(UserId(call_admin_id_)), local_call_id_);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (call_state_.type == CallState::Type::Ready && !call_state_has_config_) {
|
|
return;
|
|
}
|
|
call_state_need_flush_ = false;
|
|
|
|
// TODO can't call const function
|
|
// send_closure(G()->contacts_manager(), &ContactsManager::get_user_id_object, user_id_, "flush_call_state");
|
|
send_closure(G()->td(), &Td::send_update,
|
|
make_tl_object<td_api::updateCall>(
|
|
make_tl_object<td_api::call>(local_call_id_.get(), is_outgoing_ ? user_id_.get() : call_admin_id_,
|
|
is_outgoing_, call_state_.as_td_api())));
|
|
}
|
|
}
|
|
|
|
void CallActor::start_up() {
|
|
auto tl_query = telegram_api::phone_getCallConfig();
|
|
auto query = G()->net_query_creator().create(tl_query);
|
|
send_with_promise(std::move(query), PromiseCreator::lambda([actor_id = actor_id(this)](NetQueryPtr net_query) {
|
|
send_closure(actor_id, &CallActor::on_get_call_config_result, std::move(net_query));
|
|
}));
|
|
}
|
|
|
|
void CallActor::on_get_call_config_result(NetQueryPtr net_query) {
|
|
auto res = fetch_result<telegram_api::phone_getCallConfig>(std::move(net_query));
|
|
if (res.is_error()) {
|
|
return on_error(res.move_as_error());
|
|
}
|
|
call_state_.config = res.ok()->data_;
|
|
call_state_has_config_ = true;
|
|
}
|
|
|
|
void CallActor::loop() {
|
|
LOG(DEBUG) << "Enter loop for call " << call_id_ << " in state " << static_cast<int32>(state_) << '/'
|
|
<< static_cast<int32>(call_state_.type);
|
|
flush_call_state();
|
|
switch (state_) {
|
|
case State::SendRequestQuery:
|
|
try_send_request_query();
|
|
break;
|
|
case State::SendAcceptQuery:
|
|
try_send_accept_query();
|
|
break;
|
|
case State::SendConfirmQuery:
|
|
try_send_confirm_query();
|
|
break;
|
|
case State::SendDiscardQuery:
|
|
try_send_discard_query();
|
|
break;
|
|
case State::Discarded: {
|
|
if (call_state_.type == CallState::Type::Discarded &&
|
|
(call_state_.need_rating || call_state_.need_debug_information)) {
|
|
break;
|
|
}
|
|
LOG(INFO) << "Close call " << local_call_id_;
|
|
stop();
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CallActor::timeout_expired() {
|
|
on_error(Status::Error(4005000, "Call timeout expired"));
|
|
yield();
|
|
}
|
|
|
|
void CallActor::on_result(NetQueryPtr query) {
|
|
auto token = get_link_token();
|
|
container_.extract(token).set_value(std::move(query));
|
|
yield(); // Call loop AFTER all events from the promise are executed
|
|
}
|
|
|
|
void CallActor::send_with_promise(NetQueryPtr query, Promise<NetQueryPtr> promise) {
|
|
auto id = container_.create(std::move(promise));
|
|
G()->net_query_dispatcher().dispatch_with_callback(std::move(query), actor_shared(this, id));
|
|
}
|
|
|
|
void CallActor::hangup() {
|
|
container_.for_each(
|
|
[](auto id, Promise<NetQueryPtr> &promise) { promise.set_error(Status::Error(500, "Request aborted")); });
|
|
stop();
|
|
}
|
|
|
|
vector<string> CallActor::get_emojis_fingerprint(const string &key, const string &g_a) {
|
|
string str = key + g_a;
|
|
unsigned char sha256_buf[32];
|
|
sha256(str, {sha256_buf, 32});
|
|
|
|
vector<string> result;
|
|
result.reserve(4);
|
|
for (int i = 0; i < 4; i++) {
|
|
uint64 num = bswap64(as<uint64>(sha256_buf + 8 * i));
|
|
result.push_back(get_emoji_fingerprint(num));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
} // namespace td
|