mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
127 lines
3.7 KiB
C++
127 lines
3.7 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 2019-2020 Telegram Systems LLP
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*/
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#pragma once
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#include "http.h"
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#include "http-connection.h"
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#include "http-client.h"
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#include <list>
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namespace ton {
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namespace http {
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class HttpOutboundConnection : public HttpConnection {
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public:
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struct Query {
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std::unique_ptr<HttpRequest> request;
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std::shared_ptr<HttpPayload> payload;
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td::Timestamp timeout;
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td::Promise<std::pair<std::unique_ptr<HttpResponse>, std::shared_ptr<HttpPayload>>> promise;
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};
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HttpOutboundConnection(td::SocketFd fd, std::shared_ptr<HttpClient::Callback> http_callback)
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: HttpConnection(std::move(fd), nullptr, false), http_callback_(std::move(http_callback)) {
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}
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td::Status receive_eof() override {
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found_eof_ = true;
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if (reading_payload_) {
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if (reading_payload_->payload_type() != HttpPayload::PayloadType::pt_eof &&
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reading_payload_->payload_type() != HttpPayload::PayloadType::pt_tunnel) {
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return td::Status::Error("unexpected EOF");
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} else {
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LOG(INFO) << "stopping (EOF payload)";
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reading_payload_->complete_parse();
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stop();
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return td::Status::OK();
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}
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} else {
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LOG(INFO) << "stopping (no req)";
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stop();
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return td::Status::OK();
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}
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}
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void alarm() override {
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LOG(INFO) << "closing outbound HTTP connection because of request timeout";
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if (promise_) {
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answer_error(HttpStatusCode::status_gateway_timeout, "", std::move(promise_));
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}
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stop();
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}
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void start_up() override {
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class Cb : public HttpConnection::Callback {
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public:
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Cb(std::shared_ptr<HttpClient::Callback> callback) : callback_(std::move(callback)) {
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}
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void on_ready(td::actor::ActorId<HttpConnection> conn) {
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callback_->on_ready();
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}
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void on_close(td::actor::ActorId<HttpConnection> conn) {
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callback_->on_stop_ready();
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}
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private:
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std::shared_ptr<HttpClient::Callback> callback_;
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};
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callback_ = std::make_unique<Cb>(std::move(http_callback_));
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HttpConnection::start_up();
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}
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td::Status receive(td::ChainBufferReader &input) override;
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void send_query(std::unique_ptr<HttpRequest> request, std::shared_ptr<HttpPayload> payload, td::Timestamp timeout,
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td::Promise<std::pair<std::unique_ptr<HttpResponse>, std::shared_ptr<HttpPayload>>> promise);
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void send_next_query();
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void payload_read() override {
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reading_payload_ = nullptr;
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if (!close_after_read_) {
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alarm_timestamp() = td::Timestamp::never();
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send_next_query();
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} else {
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stop();
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}
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}
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void payload_written() override {
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writing_payload_ = nullptr;
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}
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private:
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std::shared_ptr<HttpClient::Callback> http_callback_;
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td::Promise<std::pair<std::unique_ptr<HttpResponse>, std::shared_ptr<HttpPayload>>> promise_;
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bool force_no_payload_;
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bool keep_alive_;
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std::unique_ptr<HttpResponse> cur_response_;
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std::string cur_line_;
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std::list<Query> next_;
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};
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} // namespace http
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} // namespace ton
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