Start adding TLS (SSL) sockets to dart:io.

runtime/bin/tls_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_TLS_SOCKET_H_
+#define BIN_TLS_SOCKET_H_
+
+#if defined(_WIN32)

[Anders Johnsen, 2012/07/27 15:58:49]

Is this how we are supposed to do stuff like this? I would suggest either:
1) Have a util header for stuff like this.
2) Use stdint.h (if Google standards approve this, not sure).

[Bill Hesse, 2012/08/08 17:00:05]

No.  Removed.

On 2012/07/27 15:58:49, ajohnsen wrote:

+typedef signed __int64 int64_t;
+typedef unsigned __int8 uint8_t;
+#else
+#include <stdint.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+
+#include "bin/builtin.h"
+#include "bin/dartutils.h"
+#include "platform/globals.h"
+#include "platform/thread.h"
+
+static Dart_Handle HandleError(Dart_Handle handle) {
+  if (Dart_IsError(handle)) Dart_PropagateError(handle);
+  return handle;
+}
+
+
+class TlsFilterPlatformData;
+
+class TlsFilter {
+ public:
+  enum BufferIndex { kReadPlaintext,
+                     kWritePlaintext,
+                     kReadEncrypted,
+                     kWriteEncrypted,
+                     kNumBuffers};
+
+  TlsFilter();
+  void Init(Dart_Handle dart_this);
+  void Connect();
+  void Destroy();
+  void RegisterHandshakeCallbacks(Dart_Handle start, Dart_Handle finish);
+
+  intptr_t ProcessBuffer(int bufferIndex);
+
+ private:
+  static const char* bufferNames[kNumBuffers];
+  int64_t buffer_size;
+  uint8_t* buffers[kNumBuffers];
+
+  Dart_Handle peer_;
+  Dart_Handle stringStart;
+  Dart_Handle stringLength;
+  Dart_Handle dart_buffer_objects[kNumBuffers];
+  Dart_Handle handshake_start;
+  Dart_Handle handshake_finish;
+  bool in_handshake;
+  TlsFilterPlatformData* data;
+
+  void InitializeBuffers();
+  void InitializePlatformData();
+  static bool library_initialized_;  // Should be mutex protected.
+  void InitializeLibrary();
+  void LockInitMutex() {}
+  void UnlockInitMutex() {}
+
+  DISALLOW_COPY_AND_ASSIGN(TlsFilter);
+};
+
+#endif  // BIN_TLS_SOCKET_H_