updated tonlib

- updated tonlib
- updated validator
- updated documentation
- first version of http over rldp proxy

http/http-outbound-connection.h

@@ -0,0 +1,125 @@
+/*
+    This file is part of TON Blockchain Library.
+
+    TON Blockchain Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    TON Blockchain Library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2019-2020 Telegram Systems LLP
+*/
+#pragma once
+
+#include "http.h"
+#include "http-connection.h"
+#include "http-client.h"
+
+#include <list>
+
+namespace ton {
+
+namespace http {
+
+class HttpOutboundConnection : public HttpConnection {
+ public:
+  struct Query {
+    std::unique_ptr<HttpRequest> request;
+    std::shared_ptr<HttpPayload> payload;
+    td::Timestamp timeout;
+    td::Promise<std::pair<std::unique_ptr<HttpResponse>, std::shared_ptr<HttpPayload>>> promise;
+  };
+
+  HttpOutboundConnection(td::SocketFd fd, std::shared_ptr<HttpClient::Callback> http_callback)
+      : HttpConnection(std::move(fd), nullptr, false), http_callback_(std::move(http_callback)) {
+  }
+
+  td::Status receive_eof() override {
+    if (reading_payload_) {
+      if (reading_payload_->payload_type() != HttpPayload::PayloadType::pt_eof) {
+        return td::Status::Error("unexpected EOF");
+      } else {
+        LOG(INFO) << "stopping (EOF payload)";
+        reading_payload_->complete_parse();
+        stop();
+        return td::Status::OK();
+      }
+    } else {
+      LOG(INFO) << "stopping (no req)";
+      stop();
+      return td::Status::OK();
+    }
+  }
+
+  void alarm() override {
+    LOG(INFO) << "closing outbound HTTP connection because of request timeout";
+    if (promise_) {
+      answer_error(HttpStatusCode::status_gateway_timeout, "", std::move(promise_));
+    }
+    stop();
+  }
+
+  void start_up() override {
+    class Cb : public HttpConnection::Callback {
+     public:
+      Cb(std::shared_ptr<HttpClient::Callback> callback) : callback_(std::move(callback)) {
+      }
+      void on_ready(td::actor::ActorId<HttpConnection> conn) {
+        callback_->on_ready();
+      }
+      void on_close(td::actor::ActorId<HttpConnection> conn) {
+        callback_->on_stop_ready();
+      }
+
+     private:
+      std::shared_ptr<HttpClient::Callback> callback_;
+    };
+
+    callback_ = std::make_unique<Cb>(std::move(http_callback_));
+
+    HttpConnection::start_up();
+  }
+
+  td::Status receive(td::ChainBufferReader &input) override;
+  void send_query(std::unique_ptr<HttpRequest> request, std::shared_ptr<HttpPayload> payload, td::Timestamp timeout,
+                  td::Promise<std::pair<std::unique_ptr<HttpResponse>, std::shared_ptr<HttpPayload>>> promise);
+
+  void send_next_query();
+
+  void payload_read() override {
+    reading_payload_ = nullptr;
+
+    if (!close_after_read_) {
+      alarm_timestamp() = td::Timestamp::never();
+      send_next_query();
+    } else {
+      stop();
+    }
+  }
+  void payload_written() override {
+    writing_payload_ = nullptr;
+  }
+
+ private:
+  std::shared_ptr<HttpClient::Callback> http_callback_;
+
+  td::Promise<std::pair<std::unique_ptr<HttpResponse>, std::shared_ptr<HttpPayload>>> promise_;
+  bool force_no_payload_;
+  bool keep_alive_;
+
+  std::unique_ptr<HttpResponse> cur_response_;
+  std::string cur_line_;
+
+  std::list<Query> next_;
+};
+
+}  // namespace http
+
+}  // namespace ton