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Make country information static.

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This commit is contained in:
levlam 2021-08-30 19:20:40 +03:00
parent 44556b3309
commit 8699d0aadb
2 changed files with 90 additions and 45 deletions
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120
td/telegram/CountryInfoManager.cpp
View File

@ -105,13 +105,13 @@ struct CountryInfoManager::CountryInfo {
};
struct CountryInfoManager::CountryList {
vector<CountryInfo> countries_;
vector<CountryInfo> countries;
int32 hash = 0;
double next_reload_time = 0.0;
td_api::object_ptr<td_api::countries> get_countries_object() const {
return td_api::make_object<td_api::countries>(
transform(countries_, [](const CountryInfo &info) { return info.get_country_info_object(); }));
transform(countries, [](const CountryInfo &info) { return info.get_country_info_object(); }));
}
};
@ -120,8 +120,20 @@ CountryInfoManager::CountryInfoManager(Td *td, ActorShared<> parent) : td_(td),
CountryInfoManager::~CountryInfoManager() = default;
void CountryInfoManager::start_up() {
std::lock_guard<std::mutex> country_lock(country_mutex_);
manager_count_++;
}
void CountryInfoManager::tear_down() {
parent_.reset();
std::lock_guard<std::mutex> country_lock(country_mutex_);
manager_count_--;
if (manager_count_ == 0) {
LOG(INFO) << "Clear country info";
countries_.clear();
}
}
string CountryInfoManager::get_main_language_code() {
@ -141,23 +153,27 @@ void CountryInfoManager::do_get_countries(string language_code, bool is_recursiv
is_recursive = false;
}
}
auto list = get_country_list(language_code);
if (list == nullptr) {
if (is_recursive) {
return promise.set_error(Status::Error(500, "Requested data is inaccessible"));
{
std::lock_guard<std::mutex> country_lock(country_mutex_);
auto list = get_country_list(this, language_code);
if (list != nullptr) {
return promise.set_value(list->get_countries_object());
}
return load_country_list(language_code, 0,
PromiseCreator::lambda([actor_id = actor_id(this), language_code,
promise = std::move(promise)](Result<Unit> &&result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
send_closure(actor_id, &CountryInfoManager::do_get_countries, std::move(language_code),
true, std::move(promise));
}));
}
promise.set_value(list->get_countries_object());
if (is_recursive) {
return promise.set_error(Status::Error(500, "Requested data is inaccessible"));
}
load_country_list(language_code, 0,
PromiseCreator::lambda([actor_id = actor_id(this), language_code,
promise = std::move(promise)](Result<Unit> &&result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
send_closure(actor_id, &CountryInfoManager::do_get_countries, std::move(language_code), true,
std::move(promise));
}));
}
void CountryInfoManager::get_phone_number_info(string phone_number_prefix,
@ -178,24 +194,26 @@ void CountryInfoManager::do_get_phone_number_info(string phone_number_prefix, st
is_recursive = false;
}
}
auto list = get_country_list(language_code);
if (list == nullptr) {
if (is_recursive) {
return promise.set_error(Status::Error(500, "Requested data is inaccessible"));
{
std::lock_guard<std::mutex> country_lock(country_mutex_);
auto list = get_country_list(this, language_code);
if (list != nullptr) {
return promise.set_value(get_phone_number_info_object(list, phone_number_prefix));
}
return load_country_list(language_code, 0,
PromiseCreator::lambda([actor_id = actor_id(this), phone_number_prefix, language_code,
promise = std::move(promise)](Result<Unit> &&result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
send_closure(actor_id, &CountryInfoManager::do_get_phone_number_info,
std::move(phone_number_prefix), std::move(language_code), true,
std::move(promise));
}));
}
promise.set_value(get_phone_number_info_object(list, phone_number_prefix));
if (is_recursive) {
return promise.set_error(Status::Error(500, "Requested data is inaccessible"));
}
load_country_list(language_code, 0,
PromiseCreator::lambda([actor_id = actor_id(this), phone_number_prefix, language_code,
promise = std::move(promise)](Result<Unit> &&result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
send_closure(actor_id, &CountryInfoManager::do_get_phone_number_info,
std::move(phone_number_prefix), std::move(language_code), true, std::move(promise));
}));
}
td_api::object_ptr<td_api::phoneNumberInfo> CountryInfoManager::get_phone_number_info_object(const CountryList *list,
@ -205,7 +223,7 @@ td_api::object_ptr<td_api::phoneNumberInfo> CountryInfoManager::get_phone_number
const CallingCodeInfo *best_calling_code = nullptr;
size_t best_length = 0;
bool is_prefix = false; // is phone number a prefix of a valid country_code + prefix
for (auto &country : list->countries_) {
for (auto &country : list->countries) {
for (auto &calling_code : country.calling_codes) {
if (begins_with(phone_number, calling_code.calling_code)) {
auto calling_code_size = calling_code.calling_code.size();
@ -315,9 +333,19 @@ void CountryInfoManager::on_get_country_list(const string &language_code,
pending_load_country_queries_.erase(query_it);
if (r_country_list.is_error()) {
auto it = countries_.find(language_code);
if (it != countries_.end()) {
it->second->next_reload_time = Time::now() + Random::fast(60, 120);
{
std::lock_guard<std::mutex> country_lock(country_mutex_);
auto it = countries_.find(language_code);
if (it != countries_.end()) {
// don't try to reload countries more often than once in 1-2 minutes
it->second->next_reload_time = max(Time::now() + Random::fast(60, 120), it->second->next_reload_time);
// if we have data for the language, then we don't need to fail promises
for (auto &promise : promises) {
promise.set_value(Unit());
}
return;
}
}
for (auto &promise : promises) {
promise.set_error(r_country_list.error().clone());
@ -325,7 +353,10 @@ void CountryInfoManager::on_get_country_list(const string &language_code,
return;
}
on_get_country_list_impl(language_code, r_country_list.move_as_ok());
{
std::lock_guard<std::mutex> country_lock(country_mutex_);
on_get_country_list_impl(language_code, r_country_list.move_as_ok());
}
for (auto &promise : promises) {
promise.set_value(Unit());
@ -378,7 +409,7 @@ void CountryInfoManager::on_get_country_list_impl(const string &language_code,
continue;
}
countries->countries_.push_back(std::move(info));
countries->countries.push_back(std::move(info));
}
countries->hash = list->hash_;
countries->next_reload_time = Time::now() + Random::fast(86400, 2 * 86400);
@ -389,7 +420,8 @@ void CountryInfoManager::on_get_country_list_impl(const string &language_code,
}
}
const CountryInfoManager::CountryList *CountryInfoManager::get_country_list(const string &language_code) {
const CountryInfoManager::CountryList *CountryInfoManager::get_country_list(CountryInfoManager *manager,
const string &language_code) {
auto it = countries_.find(language_code);
if (it == countries_.end()) {
if (language_code == "en") {
@ -467,7 +499,9 @@ const CountryInfoManager::CountryList *CountryInfoManager::get_country_list(cons
it = countries_.find(language_code);
CHECK(it != countries_.end())
auto *country = it->second.get();
load_country_list(language_code, country->hash, Auto());
if (manager != nullptr) {
manager->load_country_list(language_code, country->hash, Auto());
}
return country;
}
return nullptr;
@ -475,11 +509,15 @@ const CountryInfoManager::CountryList *CountryInfoManager::get_country_list(cons
auto *country = it->second.get();
CHECK(country != nullptr);
if (country->next_reload_time < Time::now()) {
load_country_list(language_code, country->hash, Auto());
if (manager != nullptr && country->next_reload_time < Time::now()) {
manager->load_country_list(language_code, country->hash, Auto());
}
return country;
}
int32 CountryInfoManager::manager_count_ = 0;
std::mutex CountryInfoManager::country_mutex_;
std::unordered_map<string, unique_ptr<CountryInfoManager::CountryList>> CountryInfoManager::countries_;
} // namespace td

15
td/telegram/CountryInfoManager.h
View File

@ -15,6 +15,7 @@
#include "td/utils/common.h"
#include "td/utils/Status.h"
#include <mutex>
#include <unordered_map>
namespace td {
@ -39,6 +40,7 @@ class CountryInfoManager final : public Actor {
~CountryInfoManager() final;
private:
void start_up() final;
void tear_down() final;
struct CallingCodeInfo;
@ -58,16 +60,21 @@ class CountryInfoManager final : public Actor {
void on_get_country_list(const string &language_code,
Result<tl_object_ptr<telegram_api::help_CountriesList>> r_country_list);
void on_get_country_list_impl(const string &language_code,
tl_object_ptr<telegram_api::help_CountriesList> country_list);
static void on_get_country_list_impl(const string &language_code,
tl_object_ptr<telegram_api::help_CountriesList> country_list);
const CountryList *get_country_list(const string &language_code);
static const CountryList *get_country_list(CountryInfoManager *manager, const string &language_code);
static td_api::object_ptr<td_api::phoneNumberInfo> get_phone_number_info_object(const CountryList *list,
Slice phone_number);
static std::mutex country_mutex_;
static int32 manager_count_;
static std::unordered_map<string, unique_ptr<CountryList>> countries_;
std::unordered_map<string, vector<Promise<Unit>>> pending_load_country_queries_;
std::unordered_map<string, unique_ptr<CountryList>> countries_;
Td *td_;
ActorShared<> parent_;