Revert of Remove webrtc/libjingle/{xmllite,xmpp}

webrtc/libjingle/xmpp/xmppsocket.h

Index: webrtc/libjingle/xmpp/xmppsocket.h
diff --git a/webrtc/libjingle/xmpp/xmppsocket.h b/webrtc/libjingle/xmpp/xmppsocket.h
new file mode 100644
index 0000000000000000000000000000000000000000..02d645383c3b9774a291d0b43f0bdb70d485ac71
--- /dev/null
+++ b/webrtc/libjingle/xmpp/xmppsocket.h
@@ -0,0 +1,72 @@
+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_LIBJINGLE_XMPP_XMPPSOCKET_H_
+#define WEBRTC_LIBJINGLE_XMPP_XMPPSOCKET_H_
+
+#include "webrtc/libjingle/xmpp/asyncsocket.h"
+#include "webrtc/libjingle/xmpp/xmppengine.h"
+#include "webrtc/base/asyncsocket.h"
+#include "webrtc/base/buffer.h"
+#include "webrtc/base/sigslot.h"
+
+// The below define selects the SSLStreamAdapter implementation for
+// SSL, as opposed to the SSLAdapter socket adapter.
+// #define USE_SSLSTREAM
+
+namespace rtc {
+  class StreamInterface;
+  class SocketAddress;
+};
+extern rtc::AsyncSocket* cricket_socket_;
+
+namespace buzz {
+
+class XmppSocket : public buzz::AsyncSocket, public sigslot::has_slots<> {
+public:
+  XmppSocket(buzz::TlsOptions tls);
+  ~XmppSocket();
+
+  virtual buzz::AsyncSocket::State state();
+  virtual buzz::AsyncSocket::Error error();
+  virtual int GetError();
+
+  virtual bool Connect(const rtc::SocketAddress& addr);
+  virtual bool Read(char * data, size_t len, size_t* len_read);
+  virtual bool Write(const char * data, size_t len);
+  virtual bool Close();
+  virtual bool StartTls(const std::string & domainname);
+
+  sigslot::signal1<int> SignalCloseEvent;
+
+private:
+  void CreateCricketSocket(int family);
+#ifndef USE_SSLSTREAM
+  void OnReadEvent(rtc::AsyncSocket * socket);
+  void OnWriteEvent(rtc::AsyncSocket * socket);
+  void OnConnectEvent(rtc::AsyncSocket * socket);
+  void OnCloseEvent(rtc::AsyncSocket * socket, int error);
+#else  // USE_SSLSTREAM
+  void OnEvent(rtc::StreamInterface* stream, int events, int err);
+#endif  // USE_SSLSTREAM
+
+  rtc::AsyncSocket * cricket_socket_;
+#ifdef USE_SSLSTREAM
+  rtc::StreamInterface *stream_;
+#endif  // USE_SSLSTREAM
+  buzz::AsyncSocket::State state_;
+  rtc::Buffer buffer_;
+  buzz::TlsOptions tls_;
+};
+
+}  // namespace buzz
+
+#endif // WEBRTC_LIBJINGLE_XMPP_XMPPSOCKET_H_
+