initial commit

adnl/adnl-ext-server.hpp

@@ -0,0 +1,92 @@
+/*
+    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 2017-2019 Telegram Systems LLP
+*/
+#pragma once
+
+#include "adnl-peer-table.h"
+#include "td/net/TcpListener.h"
+#include "td/utils/crypto.h"
+#include "td/utils/BufferedFd.h"
+#include "adnl-ext-connection.hpp"
+#include "adnl-ext-server.h"
+
+#include <map>
+#include <set>
+
+namespace ton {
+
+namespace adnl {
+
+class AdnlExtServerImpl;
+
+class AdnlInboundConnection : public AdnlExtConnection {
+ public:
+  AdnlInboundConnection(td::SocketFd fd, td::actor::ActorId<AdnlPeerTable> peer_table,
+                        td::actor::ActorId<AdnlExtServerImpl> ext_server)
+      : AdnlExtConnection(std::move(fd), nullptr, false), peer_table_(peer_table), ext_server_(ext_server) {
+  }
+
+  td::Status process_packet(td::BufferSlice data) override;
+  td::Status process_init_packet(td::BufferSlice data) override;
+  td::Status process_custom_packet(td::BufferSlice &data, bool &processed) override;
+  void inited_crypto(td::Result<td::BufferSlice> R);
+
+ private:
+  td::actor::ActorId<AdnlPeerTable> peer_table_;
+  td::actor::ActorId<AdnlExtServerImpl> ext_server_;
+  AdnlNodeIdShort local_id_;
+
+  td::SecureString nonce_;
+  AdnlNodeIdShort remote_id_ = AdnlNodeIdShort::zero();
+};
+
+class AdnlExtServerImpl : public AdnlExtServer {
+ public:
+  void add_tcp_port(td::uint16 port) override;
+  void add_local_id(AdnlNodeIdShort id) override;
+  void accepted(td::SocketFd fd);
+  void decrypt_init_packet(AdnlNodeIdShort dst, td::BufferSlice data, td::Promise<td::BufferSlice> promise);
+
+  void start_up() override {
+    for (auto &port : ports_) {
+      add_tcp_port(port);
+    }
+    ports_.clear();
+  }
+
+  AdnlExtServerImpl(td::actor::ActorId<AdnlPeerTable> adnl, std::vector<AdnlNodeIdShort> ids,
+                    std::vector<td::uint16> ports)
+      : peer_table_(adnl) {
+    for (auto &id : ids) {
+      add_local_id(id);
+    }
+    for (auto &port : ports) {
+      ports_.insert(port);
+    }
+  }
+
+ private:
+  td::actor::ActorId<AdnlPeerTable> peer_table_;
+  std::set<AdnlNodeIdShort> local_ids_;
+  std::set<td::uint16> ports_;
+  std::map<td::uint16, td::actor::ActorOwn<td::TcpListener>> listeners_;
+};
+
+}  // namespace adnl
+
+}  // namespace ton