rldp-http-proxy: use tonlib

- rldp-http-proxy used TONLib to resolve domains via DNS smartcontract
- updated tonlib
- bugfixes

http/http-connection.h

@@ -133,6 +133,7 @@ class HttpConnection : public td::actor::Actor, public td::ObserverBase {
     // unsubscribe from socket updates
     // nb: interface will be changed
     td::actor::SchedulerContext::get()->get_poll().unsubscribe(buffered_fd_.get_poll_info().get_pollable_fd_ref());
+    buffered_fd_.close();
   }
 };
 

http/http-inbound-connection.cpp

@@ -27,25 +27,31 @@ void HttpInboundConnection::send_client_error() {
   static const auto s =
       "HTTP/1.0 400 Bad Request\r\n"
       "Connection: Close\r\n"
+      "Content-length: 0\r\n"
       "\r\n";
   buffered_fd_.output_buffer().append(td::Slice(s, strlen(s)));
   close_after_write_ = true;
+  loop();
 }
 
 void HttpInboundConnection::send_server_error() {
   static const auto s =
       "HTTP/1.1 502 Bad Gateway\r\n"
       "Connection: keep-alive\r\n"
+      "Content-length: 0\r\n"
       "\r\n";
   buffered_fd_.output_buffer().append(td::Slice(s, strlen(s)));
+  loop();
 }
 
 void HttpInboundConnection::send_proxy_error() {
   static const auto s =
       "HTTP/1.1 502 Bad Gateway\r\n"
       "Connection: keep-alive\r\n"
+      "Content-length: 0\r\n"
       "\r\n";
   buffered_fd_.output_buffer().append(td::Slice(s, strlen(s)));
+  loop();
 }
 
 td::Status HttpInboundConnection::receive(td::ChainBufferReader &input) {

http/http-inbound-connection.h

@@ -33,6 +33,7 @@ class HttpInboundConnection : public HttpConnection {
   }
 
   td::Status receive_eof() override {
+    found_eof_ = true;
     if (reading_payload_) {
       if (reading_payload_->payload_type() != HttpPayload::PayloadType::pt_eof) {
         return td::Status::Error("unexpected EOF");
@@ -42,6 +43,10 @@ class HttpInboundConnection : public HttpConnection {
         return td::Status::OK();
       }
     } else {
+      if (read_next_request_) {
+        stop();
+        return td::Status::OK();
+      }
       return td::Status::OK();
     }
   }
@@ -54,6 +59,10 @@ class HttpInboundConnection : public HttpConnection {
     writing_payload_ = nullptr;
     if (!close_after_write_) {
       read_next_request_ = true;
+      if (found_eof_) {
+        stop();
+        return;
+      }
     }
   }
   void payload_read() override {

http/http-outbound-connection.h

@@ -42,6 +42,7 @@ class HttpOutboundConnection : public HttpConnection {
   }
 
   td::Status receive_eof() override {
+    found_eof_ = true;
     if (reading_payload_) {
       if (reading_payload_->payload_type() != HttpPayload::PayloadType::pt_eof) {
         return td::Status::Error("unexpected EOF");