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tdlib-fork/td/telegram/files/FileStats.cpp

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//
// 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)
//
#include "td/telegram/files/FileStats.h"
#include "td/telegram/td_api.h"
#include "td/telegram/files/FileLoaderUtils.h"
#include "td/telegram/Global.h"
#include "td/utils/format.h"
#include "td/utils/logging.h"
#include "td/utils/Slice.h"
#include <algorithm>
#include <unordered_set>
#include <utility>
namespace td {
tl_object_ptr<td_api::storageStatisticsFast> FileStatsFast::as_td_api() const {
return make_tl_object<td_api::storageStatisticsFast>(size, count, db_size);
}
void FileStats::add(StatByType &by_type, FileType file_type, int64 size) {
auto pos = static_cast<size_t>(file_type);
CHECK(pos < stat_by_type.size());
by_type[pos].size += size;
by_type[pos].cnt++;
}
void FileStats::add(FullFileInfo &&info) {
if (split_by_owner_dialog_id) {
add(stat_by_owner_dialog_id[info.owner_dialog_id], info.file_type, info.size);
} else {
add(stat_by_type, info.file_type, info.size);
}
if (need_all_files) {
all_files.emplace_back(std::move(info));
}
}
FileTypeStat get_nontemp_stat(const FileStats::StatByType &by_type) {
FileTypeStat stat;
for (size_t i = 0; i < file_type_size; i++) {
if (FileType(i) != FileType::Temp) {
stat.size += by_type[i].size;
stat.cnt += by_type[i].cnt;
}
}
return stat;
}
FileTypeStat FileStats::get_total_nontemp_stat() const {
if (!split_by_owner_dialog_id) {
return get_nontemp_stat(stat_by_type);
}
FileTypeStat stat;
for (auto &dialog : stat_by_owner_dialog_id) {
auto tmp = get_nontemp_stat(dialog.second);
stat.size += tmp.size;
stat.cnt += tmp.cnt;
}
return stat;
}
void FileStats::apply_dialog_limit(int32 limit) {
if (limit == -1) {
return;
}
if (!split_by_owner_dialog_id) {
return;
}
std::vector<std::pair<int64, DialogId>> dialogs;
for (auto &dialog : stat_by_owner_dialog_id) {
if (!dialog.first.is_valid()) {
continue;
}
int64 size = 0;
for (auto &it : dialog.second) {
size += it.size;
}
dialogs.push_back(std::make_pair(size, dialog.first));
}
size_t prefix = dialogs.size();
if (prefix > static_cast<size_t>(limit)) {
prefix = static_cast<size_t>(limit);
}
std::partial_sort(dialogs.begin(), dialogs.begin() + prefix, dialogs.end(),
[](const auto &x, const auto &y) { return x.first > y.first; });
dialogs.resize(prefix);
std::unordered_set<DialogId, DialogIdHash> all_dialogs;
for (auto &dialog : dialogs) {
all_dialogs.insert(dialog.second);
}
StatByType other_stats;
bool other_flag = false;
for (auto it = stat_by_owner_dialog_id.begin(); it != stat_by_owner_dialog_id.end();) {
if (all_dialogs.count(it->first)) {
++it;
} else {
for (size_t i = 0; i < file_type_size; i++) {
other_stats[i].size += it->second[i].size;
other_stats[i].cnt += it->second[i].cnt;
}
other_flag = true;
it = stat_by_owner_dialog_id.erase(it);
}
}
if (other_flag) {
DialogId other_dialog_id;
stat_by_owner_dialog_id[other_dialog_id] = other_stats;
}
}
tl_object_ptr<td_api::storageStatisticsByChat> as_td_api(DialogId dialog_id,
const FileStats::StatByType &stat_by_type) {
auto stats = make_tl_object<td_api::storageStatisticsByChat>(dialog_id.get(), 0, 0, Auto());
for (size_t i = 0; i < file_type_size; i++) {
if (stat_by_type[i].size == 0) {
continue;
}
stats->size_ += stat_by_type[i].size;
stats->count_ += stat_by_type[i].cnt;
stats->by_file_type_.push_back(make_tl_object<td_api::storageStatisticsByFileType>(
as_td_api(FileType(i)), stat_by_type[i].size, stat_by_type[i].cnt));
}
return stats;
}
tl_object_ptr<td_api::storageStatistics> FileStats::as_td_api() const {
auto stats = make_tl_object<td_api::storageStatistics>(0, 0, Auto());
if (!split_by_owner_dialog_id) {
stats->by_chat_.reserve(1);
stats->by_chat_.push_back(::td::as_td_api(DialogId(), stat_by_type));
} else {
stats->by_chat_.reserve(stat_by_owner_dialog_id.size());
for (auto &by_dialog : stat_by_owner_dialog_id) {
stats->by_chat_.push_back(::td::as_td_api(by_dialog.first, by_dialog.second));
}
std::sort(stats->by_chat_.begin(), stats->by_chat_.end(), [](const auto &x, const auto &y) {
if (x->chat_id_ == 0 || y->chat_id_ == 0) {
return (x->chat_id_ == 0) < (y->chat_id_ == 0);
}
return x->size_ > y->size_;
});
}
for (const auto &by_dialog : stats->by_chat_) {
stats->size_ += by_dialog->size_;
stats->count_ += by_dialog->count_;
}
return stats;
}
std::vector<DialogId> FileStats::get_dialog_ids() const {
std::vector<DialogId> res;
if (!split_by_owner_dialog_id) {
return res;
}
res.reserve(stat_by_owner_dialog_id.size());
for (auto &by_dialog : stat_by_owner_dialog_id) {
if (by_dialog.first.is_valid()) {
res.push_back(by_dialog.first);
}
}
return res;
}
StringBuilder &operator<<(StringBuilder &sb, const FileTypeStat &stat) {
return sb << tag("size", format::as_size(stat.size)) << tag("count", stat.cnt);
}
StringBuilder &operator<<(StringBuilder &sb, const FileStats &file_stats) {
if (!file_stats.split_by_owner_dialog_id) {
FileTypeStat total_stat;
for (auto &type_stat : file_stats.stat_by_type) {
total_stat.size += type_stat.size;
total_stat.cnt += type_stat.cnt;
}
sb << "[FileStat " << tag("total", total_stat);
for (int i = 0; i < file_type_size; i++) {
sb << tag(Slice(file_type_name[i]), file_stats.stat_by_type[i]);
}
sb << "]";
} else {
{
FileTypeStat total_stat;
for (auto &by_type : file_stats.stat_by_owner_dialog_id) {
for (auto &type_stat : by_type.second) {
total_stat.size += type_stat.size;
total_stat.cnt += type_stat.cnt;
}
}
sb << "[FileStat " << tag("total", total_stat);
}
for (auto &by_type : file_stats.stat_by_owner_dialog_id) {
FileTypeStat dialog_stat;
for (auto &type_stat : by_type.second) {
dialog_stat.size += type_stat.size;
dialog_stat.cnt += type_stat.cnt;
}
sb << "[FileStat " << tag("owner_dialog_id", by_type.first) << tag("total", dialog_stat);
for (int i = 0; i < file_type_size; i++) {
sb << tag(Slice(file_type_name[i]), by_type.second[i]);
}
sb << "]";
}
sb << "]";
}
return sb;
}
} // namespace td