dart:io | Enable multithreaded secure networking encryption.

runtime/bin/secure_socket.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_SECURE_SOCKET_H_
 #define BIN_SECURE_SOCKET_H_
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 #include <sys/types.h>
 
 #include <prinit.h>
 #include <prerror.h>
 #include <prnetdb.h>
 #include <ssl.h>
 
 #include "platform/globals.h"
 #include "platform/thread.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
 #include "bin/socket.h"
 #include "bin/utils.h"
+#include "bin/native_service.h"
 
 namespace dart {
 namespace bin {
 
 static void ThrowException(const char* message) {
   Dart_Handle socket_exception =
       DartUtils::NewDartSocketException(message, Dart_Null());
   Dart_ThrowException(socket_exception);
 }
 
@@ skipping 46 matching lines @@
                bool request_client_certificate,
                bool require_client_certificate,
                bool send_client_certificate);
   void Destroy();
   void Handshake();
   void RegisterHandshakeCompleteCallback(Dart_Handle handshake_complete);
   void RegisterBadCertificateCallback(Dart_Handle callback);
   Dart_Handle bad_certificate_callback() {
     return Dart_HandleFromPersistent(bad_certificate_callback_);
   }
+  intptr_t ProcessReadPlaintextBuffer(int start, int end);
+  intptr_t ProcessWritePlaintextBuffer(int start1, int end1,
+                                       int start2, int end2);
+  intptr_t ProcessReadEncryptedBuffer(int start, int end);
+  intptr_t ProcessWriteEncryptedBuffer(int start, int end);
+  void ProcessAllBuffers(int starts[kNumBuffers],
+                         int ends[kNumBuffers],
+                         bool in_handshake);
+  Dart_Handle PeerCertificate();
   static void InitializeLibrary(const char* certificate_database,
                                 const char* password,
                                 bool use_builtin_root_certificates,
                                 bool report_duplicate_initialization = true);
-  intptr_t ProcessBuffer(int bufferIndex);
-  Dart_Handle PeerCertificate();
+  static Dart_Port GetServicePort();
 
  private:
   static const int kMemioBufferSize = 20 * KB;
   static bool library_initialized_;
   static const char* password_;
   static dart::Mutex mutex_;  // To protect library initialization.
+  static NativeService filter_service_;
 
   uint8_t* buffers_[kNumBuffers];
   int buffer_size_;
   int encrypted_buffer_size_;
   Dart_PersistentHandle string_start_;
   Dart_PersistentHandle string_length_;
   Dart_PersistentHandle dart_buffer_objects_[kNumBuffers];
   Dart_PersistentHandle handshake_complete_;
   Dart_PersistentHandle bad_certificate_callback_;
   bool in_handshake_;
   bool is_server_;
   char* client_certificate_name_;
   PRFileDesc* filter_;
 
-  static bool isEncrypted(int i) {
+  static bool isBufferEncrypted(int i) {
     return static_cast<BufferIndex>(i) >= kFirstEncrypted;
   }
   void InitializeBuffers(Dart_Handle dart_this);
   void InitializePlatformData();
 
   DISALLOW_COPY_AND_ASSIGN(SSLFilter);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_SECURE_SOCKET_H_