tdlight/td/telegram/CallActor.h

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// 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)
//
#pragma once
#include "td/telegram/CallDiscardReason.h"
#include "td/telegram/CallId.h"
#include "td/telegram/DhConfig.h"
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#include "td/telegram/files/FileId.h"
#include "td/telegram/net/NetQuery.h"
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#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/UserId.h"
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#include "td/mtproto/DhHandshake.h"
#include "td/actor/actor.h"
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#include "td/utils/common.h"
#include "td/utils/Container.h"
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#include "td/utils/Promise.h"
#include "td/utils/Status.h"
#include <memory>
namespace td {
struct CallProtocol {
bool udp_p2p{true};
bool udp_reflector{true};
int32 min_layer{65};
int32 max_layer{65};
vector<string> library_versions;
CallProtocol() = default;
explicit CallProtocol(const td_api::callProtocol &protocol);
explicit CallProtocol(const telegram_api::phoneCallProtocol &protocol);
tl_object_ptr<telegram_api::phoneCallProtocol> get_input_phone_call_protocol() const;
tl_object_ptr<td_api::callProtocol> get_call_protocol_object() const;
};
struct CallConnection {
enum class Type : int32 { Telegram, Webrtc };
Type type;
int64 id;
string ip;
string ipv6;
int32 port;
// Telegram
string peer_tag;
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bool is_tcp = false;
// WebRTC
string username;
string password;
bool supports_turn = false;
bool supports_stun = false;
explicit CallConnection(const telegram_api::PhoneConnection &connection);
tl_object_ptr<td_api::callServer> get_call_server_object() const;
};
struct CallState {
enum class Type : int32 { Empty, Pending, ExchangingKey, Ready, HangingUp, Discarded, Error } type{Type::Empty};
CallProtocol protocol;
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vector<CallConnection> connections;
CallDiscardReason discard_reason{CallDiscardReason::Empty};
bool is_created{false};
bool is_received{false};
bool need_debug_information{false};
bool need_rating{false};
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bool need_log{false};
int64 key_fingerprint{0};
string key;
string config;
vector<string> emojis_fingerprint;
bool allow_p2p{false};
Status error;
tl_object_ptr<td_api::CallState> get_call_state_object() const;
};
class CallActor final : public NetQueryCallback {
public:
CallActor(CallId call_id, ActorShared<> parent, Promise<int64> promise);
void create_call(UserId user_id, tl_object_ptr<telegram_api::InputUser> &&input_user, CallProtocol &&protocol,
bool is_video, Promise<CallId> &&promise);
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void accept_call(CallProtocol &&protocol, Promise<Unit> promise);
void update_call_signaling_data(string data);
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void send_call_signaling_data(string &&data, Promise<Unit> promise);
void discard_call(bool is_disconnected, int32 duration, bool is_video, int64 connection_id, Promise<Unit> promise);
void rate_call(int32 rating, string comment, vector<td_api::object_ptr<td_api::CallProblem>> &&problems,
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Promise<Unit> promise);
void send_call_debug_information(string data, Promise<Unit> promise);
void send_call_log(td_api::object_ptr<td_api::InputFile> log_file, Promise<Unit> promise);
void update_call(tl_object_ptr<telegram_api::PhoneCall> call);
private:
void update_call_inner(tl_object_ptr<telegram_api::phone_phoneCall> call);
ActorShared<> parent_;
Promise<int64> call_id_promise_;
mtproto::DhHandshake dh_handshake_;
std::shared_ptr<DhConfig> dh_config_;
bool dh_config_query_sent_{false};
bool dh_config_ready_{false};
int32 duration_{0};
int64 connection_id_{0};
enum class State : int32 {
Empty,
SendRequestQuery,
WaitRequestResult,
SendAcceptQuery,
WaitAcceptResult,
SendConfirmQuery,
WaitConfirmResult,
SendDiscardQuery,
WaitDiscardResult,
Discarded
} state_{State::Empty};
bool is_accepted_{false};
bool is_outgoing_{false};
bool is_video_{false};
UserId user_id_;
tl_object_ptr<telegram_api::InputUser> input_user_;
CallId local_call_id_;
int64 call_id_{0};
bool is_call_id_inited_{false};
bool has_notification_{false};
int64 call_access_hash_{0};
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UserId call_admin_user_id_;
// UserId call_participant_user_id_;
CallState call_state_;
bool call_state_need_flush_{false};
bool call_state_has_config_{false};
NetQueryRef request_query_ref_;
tl_object_ptr<telegram_api::inputPhoneCall> get_input_phone_call(const char *source);
bool load_dh_config();
void on_dh_config(Result<std::shared_ptr<DhConfig>> r_dh_config, bool dummy);
void do_load_dh_config(Promise<std::shared_ptr<DhConfig>> promise);
Status do_update_call(telegram_api::phoneCallEmpty &call);
Status do_update_call(telegram_api::phoneCallWaiting &call);
Status do_update_call(telegram_api::phoneCallRequested &call);
Status do_update_call(telegram_api::phoneCallAccepted &call);
Status do_update_call(telegram_api::phoneCall &call);
Status do_update_call(telegram_api::phoneCallDiscarded &call);
void send_received_query();
void on_received_query_result(Result<NetQueryPtr> r_net_query);
void try_send_request_query();
void on_request_query_result(Result<NetQueryPtr> r_net_query);
void try_send_accept_query();
void on_accept_query_result(Result<NetQueryPtr> r_net_query);
void try_send_confirm_query();
void on_confirm_query_result(Result<NetQueryPtr> r_net_query);
void try_send_discard_query();
void on_discard_query_result(Result<NetQueryPtr> r_net_query);
void on_begin_exchanging_key();
void on_call_discarded(CallDiscardReason reason, bool need_rating, bool need_debug, bool is_video);
void on_set_rating_query_result(Result<NetQueryPtr> r_net_query);
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void on_save_debug_query_result(Result<NetQueryPtr> r_net_query);
void upload_log_file(FileId file_id, Promise<Unit> &&promise);
void on_upload_log_file(FileId file_id, Promise<Unit> &&promise, tl_object_ptr<telegram_api::InputFile> input_file);
void on_upload_log_file_error(FileId file_id, Promise<Unit> &&promise, Status status);
void do_upload_log_file(FileId file_id, tl_object_ptr<telegram_api::InputFile> &&input_file, Promise<Unit> &&promise);
void on_save_log_query_result(FileId file_id, Promise<Unit> promise, Result<NetQueryPtr> r_net_query);
void on_get_call_config_result(Result<NetQueryPtr> r_net_query);
void flush_call_state();
static vector<string> get_emojis_fingerprint(const string &key, const string &g_a);
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void start_up() final;
void loop() final;
Container<Promise<NetQueryPtr>> container_;
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void on_result(NetQueryPtr query) final;
void send_with_promise(NetQueryPtr query, Promise<NetQueryPtr> promise);
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void timeout_expired() final;
void hangup() final;
void on_error(Status status);
};
} // namespace td