mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
119 lines
3.8 KiB
C++
119 lines
3.8 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2019 Telegram Systems LLP
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*/
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#include "tonlib/ClientJson.h"
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#include "auto/tl/tonlib_api_json.h"
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#include "tl/tl_json.h"
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#include "td/utils/common.h"
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#include "td/utils/format.h"
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#include "td/utils/JsonBuilder.h"
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#include "td/utils/logging.h"
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#include "td/utils/port/thread_local.h"
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#include "td/utils/Status.h"
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#include <utility>
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namespace tonlib {
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static td::Result<std::pair<tonlib_api::object_ptr<tonlib_api::Function>, std::string>> to_request(td::Slice request) {
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auto request_str = request.str();
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TRY_RESULT(json_value, td::json_decode(request_str));
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if (json_value.type() != td::JsonValue::Type::Object) {
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return td::Status::Error("Expected an Object");
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}
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std::string extra;
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if (has_json_object_field(json_value.get_object(), "@extra")) {
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extra = td::json_encode<std::string>(
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get_json_object_field(json_value.get_object(), "@extra", td::JsonValue::Type::Null).move_as_ok());
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}
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tonlib_api::object_ptr<tonlib_api::Function> func;
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TRY_STATUS(from_json(func, json_value));
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return std::make_pair(std::move(func), extra);
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}
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static std::string from_response(const tonlib_api::Object &object, const td::string &extra) {
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auto str = td::json_encode<td::string>(td::ToJson(object));
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CHECK(!str.empty() && str.back() == '}');
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if (!extra.empty()) {
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str.pop_back();
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str.reserve(str.size() + 11 + extra.size());
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str += ",\"@extra\":";
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str += extra;
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str += '}';
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}
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return str;
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}
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static TD_THREAD_LOCAL std::string *current_output;
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static td::CSlice store_string(std::string str) {
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td::init_thread_local<std::string>(current_output);
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*current_output = std::move(str);
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return *current_output;
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}
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void ClientJson::send(td::Slice request) {
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auto r_request = to_request(request);
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if (r_request.is_error()) {
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LOG(ERROR) << "Failed to parse " << tag("request", td::format::escaped(request)) << " " << r_request.error();
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return;
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}
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std::uint64_t extra_id = extra_id_.fetch_add(1, std::memory_order_relaxed);
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if (!r_request.ok_ref().second.empty()) {
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std::lock_guard<std::mutex> guard(mutex_);
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extra_[extra_id] = std::move(r_request.ok_ref().second);
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}
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client_.send(Client::Request{extra_id, std::move(r_request.ok_ref().first)});
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}
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td::CSlice ClientJson::receive(double timeout) {
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auto response = client_.receive(timeout);
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if (!response.object) {
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return {};
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}
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std::string extra;
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if (response.id != 0) {
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std::lock_guard<std::mutex> guard(mutex_);
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auto it = extra_.find(response.id);
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if (it != extra_.end()) {
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extra = std::move(it->second);
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extra_.erase(it);
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}
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}
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return store_string(from_response(*response.object, extra));
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}
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td::CSlice ClientJson::execute(td::Slice request) {
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auto r_request = to_request(request);
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if (r_request.is_error()) {
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LOG(ERROR) << "Failed to parse " << tag("request", td::format::escaped(request)) << " " << r_request.error();
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return {};
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}
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return store_string(from_response(*Client::execute(Client::Request{0, std::move(r_request.ok_ref().first)}).object,
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r_request.ok().second));
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}
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} // namespace tonlib
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