125 lines
3.9 KiB
C++
125 lines
3.9 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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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/net/SessionMultiProxy.h"
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#include "td/telegram/net/SessionProxy.h"
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#include "td/utils/format.h"
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#include "td/utils/logging.h"
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#include "td/utils/Slice.h"
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namespace td {
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SessionMultiProxy::SessionMultiProxy() = default;
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SessionMultiProxy::~SessionMultiProxy() = default;
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SessionMultiProxy::SessionMultiProxy(int32 session_count, std::shared_ptr<AuthDataShared> shared_auth_data,
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bool is_main, bool use_pfs, bool allow_media_only, bool is_media, bool is_cdn,
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bool need_destroy_auth_key)
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: session_count_(session_count)
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, auth_data_(std::move(shared_auth_data))
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, is_main_(is_main)
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, use_pfs_(use_pfs)
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, allow_media_only_(allow_media_only)
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, is_media_(is_media)
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, is_cdn_(is_cdn)
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, need_destroy_auth_key_(need_destroy_auth_key) {
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if (allow_media_only_) {
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CHECK(is_media_);
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}
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}
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void SessionMultiProxy::send(NetQueryPtr query) {
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size_t pos = 0;
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// TODO temporary hack with total_timeout_limit
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if (query->auth_flag() == NetQuery::AuthFlag::On && query->total_timeout_limit > 50) {
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if (query->session_rand()) {
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pos = query->session_rand() % sessions_.size();
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} else {
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pos = pos_++ % sessions_.size();
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}
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}
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query->debug(PSTRING() << get_name() << ": send to proxy #" << pos);
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send_closure(sessions_[pos], &SessionProxy::send, std::move(query));
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}
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void SessionMultiProxy::update_main_flag(bool is_main) {
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LOG(INFO) << "Update " << get_name() << " is_main to " << is_main;
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is_main_ = is_main;
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for (auto &session : sessions_) {
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send_closure(session, &SessionProxy::update_main_flag, is_main);
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}
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}
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void SessionMultiProxy::update_destroy_auth_key(bool need_destroy_auth_key) {
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need_destroy_auth_key_ = need_destroy_auth_key;
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send_closure(sessions_[0], &SessionProxy::update_destroy, need_destroy_auth_key_);
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}
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void SessionMultiProxy::update_session_count(int32 session_count) {
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update_options(session_count, use_pfs_);
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}
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void SessionMultiProxy::update_use_pfs(bool use_pfs) {
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update_options(session_count_, use_pfs);
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}
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void SessionMultiProxy::update_options(int32 session_count, bool use_pfs) {
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bool changed = false;
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if (session_count != session_count_) {
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session_count_ = session_count;
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if (session_count_ <= 0) {
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session_count_ = 1;
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}
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if (session_count_ > 100) {
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session_count_ = 100;
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}
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LOG(INFO) << "Update " << get_name() << " session_count to " << session_count_;
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changed = true;
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}
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if (use_pfs != use_pfs_) {
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bool old_pfs_flag = get_pfs_flag();
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use_pfs_ = use_pfs;
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if (old_pfs_flag != get_pfs_flag()) {
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LOG(INFO) << "Update " << get_name() << " use_pfs to " << use_pfs_;
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changed = true;
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}
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}
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if (changed) {
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init();
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}
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}
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void SessionMultiProxy::update_mtproto_header() {
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for (auto &session : sessions_) {
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send_closure_later(session, &SessionProxy::update_mtproto_header);
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}
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}
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void SessionMultiProxy::start_up() {
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init();
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}
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bool SessionMultiProxy::get_pfs_flag() const {
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return use_pfs_;
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}
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void SessionMultiProxy::init() {
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sessions_.clear();
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if (is_main_) {
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LOG(WARNING) << tag("session_count", session_count_);
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}
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for (int32 i = 0; i < session_count_; i++) {
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string name = PSTRING() << "Session" << get_name().substr(Slice("SessionMulti").size())
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<< format::cond(session_count_ > 1, format::concat("#", i));
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sessions_.push_back(create_actor<SessionProxy>(name, auth_data_, is_main_, allow_media_only_, is_media_,
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get_pfs_flag(), is_cdn_, need_destroy_auth_key_ && i == 0));
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}
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}
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} // namespace td
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