295 lines
9.1 KiB
C++
295 lines
9.1 KiB
C++
//
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
|
|
//
|
|
// 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/td_api.h"
|
|
#include "td/telegram/telegram_api.h"
|
|
|
|
#include "td/telegram/net/DcOptions.h"
|
|
#include "td/telegram/net/DcOptionsSet.h"
|
|
#include "td/telegram/net/NetQuery.h"
|
|
#include "td/telegram/StateManager.h"
|
|
|
|
#include "td/mtproto/IStreamTransport.h"
|
|
|
|
#include "td/actor/actor.h"
|
|
#include "td/actor/PromiseFuture.h"
|
|
#include "td/actor/SignalSlot.h"
|
|
|
|
#include "td/net/NetStats.h"
|
|
|
|
#include "td/utils/FloodControlStrict.h"
|
|
#include "td/utils/port/IPAddress.h"
|
|
#include "td/utils/port/SocketFd.h"
|
|
#include "td/utils/Slice.h"
|
|
#include "td/utils/Status.h"
|
|
#include "td/utils/StringBuilder.h"
|
|
#include "td/utils/Time.h"
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <unordered_map>
|
|
#include <utility>
|
|
|
|
namespace td {
|
|
namespace mtproto {
|
|
class RawConnection;
|
|
} // namespace mtproto
|
|
namespace detail {
|
|
class StatsCallback;
|
|
}
|
|
class GetHostByNameActor;
|
|
} // namespace td
|
|
|
|
namespace td {
|
|
|
|
class Proxy {
|
|
public:
|
|
static Proxy socks5(string server, int32 port, string user, string password) {
|
|
Proxy proxy;
|
|
proxy.type_ = Type::Socks5;
|
|
proxy.server_ = std::move(server);
|
|
proxy.port_ = std::move(port);
|
|
proxy.user_ = std::move(user);
|
|
proxy.password_ = std::move(password);
|
|
return proxy;
|
|
}
|
|
|
|
static Proxy mtproto(string server, int32 port, string secret) {
|
|
Proxy proxy;
|
|
proxy.type_ = Type::Mtproto;
|
|
proxy.server_ = std::move(server);
|
|
proxy.port_ = std::move(port);
|
|
proxy.secret_ = std::move(secret);
|
|
return proxy;
|
|
}
|
|
|
|
CSlice server() const {
|
|
return server_;
|
|
}
|
|
|
|
int32 port() const {
|
|
return port_;
|
|
}
|
|
|
|
CSlice user() const {
|
|
return user_;
|
|
}
|
|
|
|
CSlice password() const {
|
|
return password_;
|
|
}
|
|
|
|
CSlice secret() const {
|
|
return secret_;
|
|
}
|
|
|
|
enum class Type : int32 { None, Socks5, Mtproto };
|
|
Type type() const {
|
|
return type_;
|
|
}
|
|
|
|
template <class T>
|
|
void parse(T &parser);
|
|
|
|
template <class T>
|
|
void store(T &storer) const;
|
|
|
|
private:
|
|
Type type_{Type::None};
|
|
string server_;
|
|
int32 port_ = 0;
|
|
string user_;
|
|
string password_;
|
|
string secret_;
|
|
};
|
|
|
|
inline bool operator==(const Proxy &lhs, const Proxy &rhs) {
|
|
return lhs.type() == rhs.type() && lhs.server() == rhs.server() && lhs.port() == rhs.port() &&
|
|
lhs.user() == rhs.user() && lhs.password() == rhs.password() && lhs.secret() == rhs.secret();
|
|
}
|
|
|
|
inline bool operator!=(const Proxy &lhs, const Proxy &rhs) {
|
|
return !(lhs == rhs);
|
|
}
|
|
|
|
StringBuilder &operator<<(StringBuilder &string_builder, const Proxy &proxy);
|
|
|
|
class ConnectionCreator : public NetQueryCallback {
|
|
public:
|
|
explicit ConnectionCreator(ActorShared<> parent);
|
|
ConnectionCreator(ConnectionCreator &&other);
|
|
ConnectionCreator &operator=(ConnectionCreator &&other);
|
|
~ConnectionCreator() override;
|
|
|
|
void on_dc_options(DcOptions new_dc_options);
|
|
void on_dc_update(DcId dc_id, string ip_port, Promise<> promise);
|
|
void on_pong(size_t hash);
|
|
void on_mtproto_error(size_t hash);
|
|
void request_raw_connection(DcId dc_id, bool allow_media_only, bool is_media,
|
|
Promise<std::unique_ptr<mtproto::RawConnection>> promise, size_t hash = 0);
|
|
void request_raw_connection_by_ip(IPAddress ip_address, Promise<std::unique_ptr<mtproto::RawConnection>> promise);
|
|
|
|
void set_net_stats_callback(std::shared_ptr<NetStatsCallback> common_callback,
|
|
std::shared_ptr<NetStatsCallback> media_callback);
|
|
|
|
void add_proxy(string server, int32 port, bool enable, td_api::object_ptr<td_api::ProxyType> proxy_type,
|
|
Promise<td_api::object_ptr<td_api::proxy>> promise);
|
|
void enable_proxy(int32 proxy_id, Promise<Unit> promise);
|
|
void disable_proxy(Promise<Unit> promise);
|
|
void remove_proxy(int32 proxy_id, Promise<Unit> promise);
|
|
void get_proxies(Promise<td_api::object_ptr<td_api::proxies>> promise);
|
|
void get_proxy_link(int32 proxy_id, Promise<string> promise);
|
|
void ping_proxy(int32 proxy_id, Promise<double> promise);
|
|
|
|
private:
|
|
ActorShared<> parent_;
|
|
DcOptionsSet dc_options_set_;
|
|
bool network_flag_ = false;
|
|
uint32 network_generation_ = 0;
|
|
bool online_flag_ = false;
|
|
bool is_inited_ = false;
|
|
|
|
static constexpr int32 MAX_PROXY_LAST_USED_SAVE_DELAY = 60;
|
|
std::map<int32, Proxy> proxies_;
|
|
std::unordered_map<int32, int32> proxy_last_used_date_;
|
|
std::unordered_map<int32, int32> proxy_last_used_saved_date_;
|
|
int32 max_proxy_id_ = 0;
|
|
int32 active_proxy_id_ = 0;
|
|
ActorOwn<GetHostByNameActor> get_host_by_name_actor_;
|
|
IPAddress proxy_ip_address_;
|
|
Timestamp resolve_proxy_timestamp_;
|
|
uint64 resolve_proxy_query_token_{0};
|
|
|
|
uint64 get_proxy_info_query_token_{0};
|
|
Timestamp get_proxy_info_timestamp_;
|
|
|
|
struct ClientInfo {
|
|
class Backoff {
|
|
#if TD_ANDROID || TD_DARWIN_IOS || TD_DARWIN_WATCH_OS || TD_TIZEN
|
|
static constexpr int32 MAX_BACKOFF = 300;
|
|
#else
|
|
static constexpr int32 MAX_BACKOFF = 16;
|
|
#endif
|
|
|
|
public:
|
|
void add_event(int32 now) {
|
|
wakeup_at_ = now + next_delay_;
|
|
next_delay_ = min(MAX_BACKOFF, next_delay_ * 2);
|
|
}
|
|
int32 get_wakeup_at() const {
|
|
return wakeup_at_;
|
|
}
|
|
void clear() {
|
|
*this = {};
|
|
}
|
|
|
|
private:
|
|
int32 wakeup_at_{0};
|
|
int32 next_delay_ = 1;
|
|
};
|
|
ClientInfo();
|
|
|
|
Backoff backoff;
|
|
FloodControlStrict flood_control;
|
|
FloodControlStrict flood_control_online;
|
|
FloodControlStrict mtproto_error_flood_control;
|
|
Slot slot;
|
|
size_t pending_connections{0};
|
|
size_t checking_connections{0};
|
|
std::vector<std::pair<std::unique_ptr<mtproto::RawConnection>, double>> ready_connections;
|
|
std::vector<Promise<std::unique_ptr<mtproto::RawConnection>>> queries;
|
|
|
|
static constexpr double READY_CONNECTIONS_TIMEOUT = 10;
|
|
|
|
bool inited{false};
|
|
size_t hash{0};
|
|
DcId dc_id;
|
|
bool allow_media_only;
|
|
bool is_media;
|
|
};
|
|
std::map<size_t, ClientInfo> clients_;
|
|
|
|
std::shared_ptr<NetStatsCallback> media_net_stats_callback_;
|
|
std::shared_ptr<NetStatsCallback> common_net_stats_callback_;
|
|
|
|
ActorShared<> ref_cnt_guard_;
|
|
int ref_cnt_{0};
|
|
ActorShared<ConnectionCreator> create_reference(int64 token);
|
|
bool close_flag_{false};
|
|
uint64 current_token_ = 0;
|
|
std::map<int64, std::pair<bool, ActorShared<>>> children_;
|
|
|
|
uint64 next_token() {
|
|
return ++current_token_;
|
|
}
|
|
|
|
void enable_proxy_impl(int32 proxy_id);
|
|
void disable_proxy_impl();
|
|
void on_proxy_changed(bool from_db);
|
|
static string get_proxy_database_key(int32 proxy_id);
|
|
static string get_proxy_used_database_key(int32 proxy_id);
|
|
void save_proxy_last_used_date(int32 delay);
|
|
td_api::object_ptr<td_api::proxy> get_proxy_object(int32 proxy_id) const;
|
|
|
|
void start_up() override;
|
|
void hangup_shared() override;
|
|
void hangup() override;
|
|
void loop() override;
|
|
|
|
void on_result(NetQueryPtr query) override;
|
|
|
|
void save_dc_options();
|
|
Result<SocketFd> do_request_connection(DcId dc_id, bool allow_media_only);
|
|
Result<std::pair<std::unique_ptr<mtproto::RawConnection>, bool>> do_request_raw_connection(DcId dc_id,
|
|
bool allow_media_only,
|
|
bool is_media,
|
|
size_t hash);
|
|
|
|
void on_network(bool network_flag, uint32 network_generation);
|
|
void on_online(bool online_flag);
|
|
|
|
static void update_mtproto_header(const Proxy &proxy);
|
|
|
|
void client_wakeup(size_t hash);
|
|
void client_loop(ClientInfo &client);
|
|
struct ConnectionData {
|
|
SocketFd socket_fd;
|
|
StateManager::ConnectionToken connection_token;
|
|
std::unique_ptr<detail::StatsCallback> stats_callback;
|
|
};
|
|
void client_create_raw_connection(Result<ConnectionData> r_connection_data, bool check_mode,
|
|
mtproto::TransportType transport_type, size_t hash, string debug_str,
|
|
uint32 network_generation);
|
|
void client_add_connection(size_t hash, Result<std::unique_ptr<mtproto::RawConnection>> r_raw_connection,
|
|
bool check_flag);
|
|
void client_set_timeout_at(ClientInfo &client, double wakeup_at);
|
|
|
|
void on_get_proxy_info(telegram_api::object_ptr<telegram_api::help_ProxyData> proxy_data_ptr);
|
|
|
|
void schedule_get_proxy_info(int32 expires);
|
|
|
|
void on_proxy_resolved(Result<IPAddress> ip_address, bool dummy);
|
|
|
|
static DcOptions get_default_dc_options(bool is_test);
|
|
|
|
struct FindConnectionExtra {
|
|
DcOptionsSet::Stat *stat{nullptr};
|
|
mtproto::TransportType transport_type;
|
|
string debug_str;
|
|
IPAddress mtproto_ip;
|
|
bool check_mode{false};
|
|
};
|
|
class ProxyInfo;
|
|
Result<SocketFd> find_connection(const ProxyInfo &proxy, DcId dc_id, bool allow_media_only,
|
|
FindConnectionExtra &extra);
|
|
void ping_proxy_resolved(int32 proxy_id, IPAddress ip_address, Promise<double> promise);
|
|
void ping_proxy_socket_fd(SocketFd socket_fd, mtproto::TransportType transport_type, Promise<double> promise);
|
|
};
|
|
|
|
} // namespace td
|