77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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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/NetQueryCreator.h"
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#include "td/telegram/AuthManager.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/Td.h"
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#include "td/telegram/telegram_api.h"
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#include "td/utils/format.h"
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#include "td/utils/Gzip.h"
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#include "td/utils/logging.h"
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#include "td/utils/Slice.h"
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#include "td/utils/Storer.h"
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namespace td {
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NetQueryPtr NetQueryCreator::create(const telegram_api::Function &function, DcId dc_id, NetQuery::Type type) {
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return create(UniqueId::next(), function, dc_id, type, NetQuery::AuthFlag::On);
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}
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NetQueryPtr NetQueryCreator::create(uint64 id, const telegram_api::Function &function, DcId dc_id, NetQuery::Type type,
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NetQuery::AuthFlag auth_flag) {
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LOG(DEBUG) << "Create query " << to_string(function);
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auto storer = DefaultStorer<telegram_api::Function>(function);
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BufferSlice slice(storer.size());
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auto real_size = storer.store(slice.as_slice().ubegin());
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LOG_CHECK(real_size == slice.size()) << real_size << " " << slice.size() << " "
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<< format::as_hex_dump<4>(Slice(slice.as_slice()));
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int32 tl_constructor = NetQuery::tl_magic(slice);
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size_t MIN_GZIPPED_SIZE = 128;
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auto gzip_flag = slice.size() < MIN_GZIPPED_SIZE ? NetQuery::GzipFlag::Off : NetQuery::GzipFlag::On;
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if (slice.size() >= 16384) {
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// test compression ratio for the middle part
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// if it is less than 0.9, then try to compress the whole request
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size_t TESTED_SIZE = 1024;
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BufferSlice compressed_part = gzencode(slice.as_slice().substr((slice.size() - TESTED_SIZE) / 2, TESTED_SIZE), 0.9);
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if (compressed_part.empty()) {
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gzip_flag = NetQuery::GzipFlag::Off;
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}
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}
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if (gzip_flag == NetQuery::GzipFlag::On) {
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BufferSlice compressed = gzencode(slice.as_slice(), 0.9);
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if (compressed.empty()) {
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gzip_flag = NetQuery::GzipFlag::Off;
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} else {
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slice = std::move(compressed);
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}
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}
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double total_timeout_limit = 60;
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if (!G()->close_flag()) {
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auto td = G()->td();
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if (!td.empty()) {
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auto auth_manager = td.get_actor_unsafe()->auth_manager_.get();
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if (auth_manager != nullptr && auth_manager->is_bot()) {
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total_timeout_limit = 8;
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}
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if ((auth_manager == nullptr || !auth_manager->is_authorized()) && auth_flag == NetQuery::AuthFlag::On) {
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LOG(ERROR) << "Send query before authorization: " << to_string(function);
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}
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}
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}
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auto query = object_pool_.create(NetQuery::State::Query, id, std::move(slice), BufferSlice(), dc_id, type, auth_flag,
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gzip_flag, tl_constructor, total_timeout_limit);
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query->set_cancellation_token(query.generation());
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return query;
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}
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} // namespace td
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