WebSocket over SPDY.

net/websockets/websocket_job.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/websockets/websocket_job.h"
 
 #include <algorithm>
 
 #include "base/lazy_instance.h"
 #include "base/string_tokenizer.h"
@@ skipping 262 matching lines @@
     SocketStream* socket, AuthChallengeInfo* auth_info) {
   if (delegate_)
     delegate_->OnAuthRequired(socket, auth_info);
 }
 
 void WebSocketJob::OnError(const SocketStream* socket, int error) {
   if (delegate_)
     delegate_->OnError(socket, error);
 }
 
+void WebSocketJob::OnCreatedSpdyStream(int result) {
+  if (state_ == CLOSED) {
+    spdy_websocket_stream_.reset();
+    //DoCallback(ERR_ABORTED);
+    return;
+  }
+  DCHECK(spdy_websocket_stream_.get());
+  DCHECK(socket_.get());
+  DCHECK_NE(ERR_IO_PENDING, result);
+  spdy_websocket_stream_.reset();
+  //DoCallback(result);
+}
+
+void WebSocketJob::OnSentSpdyHeaders(int result) {
+  // TODO(toyoshim): Error handling on result.
+  if (state_ != CONNECTING)
+    return;
+  if (delegate_)
+    delegate_->OnSentData(
+        socket_,
+        handshake_request_->original_length());
+  handshake_request_.reset();
+}
+
+int WebSocketJob::OnReceivedSpdyResponseHeader(
+    const spdy::SpdyHeaderBlock& headers, int status) {
+  DCHECK_NE(INITIALIZED, state_);
+  if (state_ != CONNECTING)
+    return status;
+  if (status != OK)
+    return status;
+  // TODO(toyoshim): Fallback to non-spdy connection?
+  handshake_response_->ParseResponseHeaderBlock(headers, challenge_);
+
+  SaveCookiesAndNotifyHeaderComplete();
+  return OK;
+}
+
+void WebSocketJob::OnSentSpdyData(int amount_sent) {
+  DCHECK_NE(INITIALIZED, state_);
+  DCHECK_NE(CONNECTING, state_);
+  if (state_ == CLOSED)
+    return;
+  if (!spdy_websocket_stream_.get())
+    return;
+  OnSentData(socket_, amount_sent);
+}
+
+void WebSocketJob::OnReceivedSpdyData(const char* data, int length) {
+  DCHECK_NE(INITIALIZED, state_);
+  DCHECK_NE(CONNECTING, state_);
+  if (state_ == CLOSED)
+    return;
+  if (!spdy_websocket_stream_.get())
+    return;
+  OnReceivedData(socket_, data, length);
+}
+
+void WebSocketJob::OnCloseSpdyStream() {
+  spdy_websocket_stream_.reset();
+  OnClose(socket_);
+}
+
 bool WebSocketJob::SendHandshakeRequest(const char* data, int len) {
   DCHECK_EQ(state_, CONNECTING);
   if (started_to_send_handshake_request_)
     return false;
   if (!handshake_request_->ParseRequest(data, len))
     return false;
 
   // handshake message is completed.
   handshake_response_->set_protocol_version(
       handshake_request_->protocol_version());
@@ skipping 17 matching lines @@
         CookieOptions cookie_options;
         cookie_options.set_include_httponly();
         std::string cookie =
             socket_->context()->cookie_store()->GetCookiesWithOptions(
                 GetURLForCookies(), cookie_options);
         if (!cookie.empty())
           handshake_request_->AppendHeaderIfMissing("Cookie", cookie);
       }
     }
 
-    const std::string& handshake_request = handshake_request_->GetRawRequest();
-    handshake_request_sent_ = 0;
-    socket_->net_log()->AddEvent(
-        NetLog::TYPE_WEB_SOCKET_SEND_REQUEST_HEADERS,
-        make_scoped_refptr(
-            new NetLogWebSocketHandshakeParameter(handshake_request)));
-    socket_->SendData(handshake_request.data(),
-                      handshake_request.size());
+    if (spdy_websocket_stream_.get()) {
+      linked_ptr<spdy::SpdyHeaderBlock> headers(new spdy::SpdyHeaderBlock);
+      handshake_request_->GetRequestHeaderBlock(
+          socket_->url(), headers.get(), &challenge_);
+      spdy_websocket_stream_->SendRequest(headers);
+    } else {
+      const std::string& handshake_request =
+          handshake_request_->GetRawRequest();
+      handshake_request_sent_ = 0;
+      socket_->net_log()->AddEvent(
+          NetLog::TYPE_WEB_SOCKET_SEND_REQUEST_HEADERS,
+          make_scoped_refptr(
+              new NetLogWebSocketHandshakeParameter(handshake_request)));
+      socket_->SendData(handshake_request.data(),
+                        handshake_request.size());
+    }
   }
 }
 
 void WebSocketJob::OnSentHandshakeRequest(
     SocketStream* socket, int amount_sent) {
   DCHECK_EQ(state_, CONNECTING);
   handshake_request_sent_ += amount_sent;
   DCHECK_LE(handshake_request_sent_, handshake_request_->raw_length());
   if (handshake_request_sent_ >= handshake_request_->raw_length()) {
     // handshake request has been sent.
@@ skipping 119 matching lines @@
     // If so, use it to create the websocket stream.
     HttpTransactionFactory* factory =
         socket_->context()->http_transaction_factory();
     if (factory) {
       scoped_refptr<HttpNetworkSession> session = factory->GetSession();
       if (session.get()) {
         SpdySessionPool* spdy_pool = session->spdy_session_pool();
         const HostPortProxyPair pair(HostPortPair::FromURL(socket_->url()),
                                      socket_->proxy_server());
         if (spdy_pool->HasSession(pair)) {
-          // TODO(toyoshim): Switch to SpdyWebSocketStream here by returning
-          // ERR_PROTOCOL_SWITCHED.
+          scoped_refptr<SpdySession> spdy_session =
+              spdy_pool->Get(pair, *socket_->net_log());
+
+          spdy_websocket_stream_.reset(
+              new SpdyWebSocketStream(spdy_session, this));
+
+          int result = spdy_websocket_stream_->InitializeStream(
+              socket_->url(), MEDIUM, *socket_->net_log());
+          if (result == OK)
+            return ERR_PROTOCOL_SWITCHED;
+          return result;
         }
       }
     }
   }
   // No SPDY session was available.
   // Fallback to connecting a new socket.
   return OK;
 }
 
 void WebSocketJob::SetWaiting() {
@@ skipping 19 matching lines @@
   // |callback_| may be NULL if OnClose() or DetachDelegate() was called.
   if (callback_) {
     net::CompletionCallback* callback = callback_;
     callback_ = NULL;
     callback->Run(result);
     Release();  // Balanced with OnStartOpenConnection().
   }
 }
 
 bool WebSocketJob::SendDataInternal(const char* data, int length) {
-  // TODO(toyoshim): Call protocol specific SendData().
+  if (spdy_websocket_stream_.get()) {
+    // TODO(toyoshim): Error handling.
+    spdy_websocket_stream_->SendData(data, length);
+    return true;
+  }
   return socket_->SendData(data, length);
 }
 
 void WebSocketJob::CloseInternal() {
-  // TODO(toyoshim): Call protocol specific Close().
-  socket_->Close();
+  if (spdy_websocket_stream_.get())
+    spdy_websocket_stream_->Close();
+  else
+    socket_->Close();
 }
 
 void WebSocketJob::SendPending() {
   if (current_buffer_)
     return;
   // Current buffer is done.  Try next buffer if any.
   // Don't buffer sending data. See comment on case OPEN in SendData().
   if (send_frame_handler_->UpdateCurrentBuffer(false) <= 0) {
     // No more data to send.
     if (state_ == CLOSING)
       CloseInternal();
     return;
   }
   current_buffer_ = new DrainableIOBuffer(
       send_frame_handler_->GetCurrentBuffer(),
       send_frame_handler_->GetCurrentBufferSize());
   SendDataInternal(current_buffer_->data(), current_buffer_->BytesRemaining());
 }
 
 }  // namespace net