SSLTCP (pseudo-SSL with fake handshake and unencrypted data) support for p2p socket.

content/browser/renderer_host/p2p/socket_host_tcp.h

Index: content/browser/renderer_host/p2p/socket_host_tcp.h
===================================================================
--- content/browser/renderer_host/p2p/socket_host_tcp.h	(revision 205587)
+++ content/browser/renderer_host/p2p/socket_host_tcp.h	(working copy)
@@ -25,9 +25,11 @@
 
 namespace content {
 
+class SsltcpHelper;
+
 class CONTENT_EXPORT P2PSocketHostTcpBase : public P2PSocketHost {
  public:
-  P2PSocketHostTcpBase(IPC::Sender* message_sender, int id);
+  P2PSocketHostTcpBase(IPC::Sender* message_sender, int id, bool ssl);

[Sergey Ulanov, 2013/06/18 20:01:26]

can you please define some enum (e.g. SslMode) with two values instead of using
bool here (it helps to make the calling code more readable).

[Ronghua Wu (Left Chromium), 2013/06/18 22:19:48]

Reused P2PSocketType.

   virtual ~P2PSocketHostTcpBase();
 
   bool InitAccepted(const net::IPEndPoint& remote_address,
@@ -51,6 +53,12 @@
   void OnPacket(const std::vector<char>& data);
   void OnError();
 
+  int MaybeHandleSslHello(char** cur, int* cur_len, int* consumed);
+
+  scoped_ptr<SsltcpHelper> ssltcp_helper_;

[Sergey Ulanov, 2013/06/18 20:01:26]

does this need to be protected? I think P2PSocketHostTcp and
P2PSocketHostStunTcp shouldn't care if this is a SSL socket or not.

+
+  net::IPEndPoint remote_address_;

[Sergey Ulanov, 2013/06/18 20:01:26]

This still can private.

+
  private:
   friend class P2PSocketHostTcpTest;
   friend class P2PSocketHostTcpServerTest;
@@ -67,8 +75,6 @@
   void OnRead(int result);
   void OnWritten(int result);
 
-  net::IPEndPoint remote_address_;
-
   scoped_ptr<net::StreamSocket> socket_;
   scoped_refptr<net::GrowableIOBuffer> read_buffer_;
   std::queue<scoped_refptr<net::DrainableIOBuffer> > write_queue_;
@@ -83,7 +89,7 @@
 
 class CONTENT_EXPORT P2PSocketHostTcp : public P2PSocketHostTcpBase {
  public:
-  P2PSocketHostTcp(IPC::Sender* message_sender, int id);
+  P2PSocketHostTcp(IPC::Sender* message_sender, int id, bool ssl);
   virtual ~P2PSocketHostTcp();
 
  protected:
@@ -100,7 +106,7 @@
 // Formatting of messages is defined in RFC5766.
 class CONTENT_EXPORT P2PSocketHostStunTcp : public P2PSocketHostTcpBase {
  public:
-  P2PSocketHostStunTcp(IPC::Sender* message_sender, int id);
+  P2PSocketHostStunTcp(IPC::Sender* message_sender, int id, bool ssl);
   virtual ~P2PSocketHostStunTcp();
 
  protected: