Redo: Adding a mojo interface to the mojo spy

mojo/spy/websocket_server.cc

 // Copyright 2014 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 "mojo/spy/websocket_server.h"
 
+#include <string>
+
 #include "base/bind.h"
 #include "base/strings/stringprintf.h"
+
+#include "mojo/public/cpp/bindings/message.h"
+
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
 #include "net/server/http_server_request_info.h"
 #include "net/server/http_server_response_info.h"
 #include "net/socket/tcp_listen_socket.h"
 
-namespace spy {
+namespace mojo {
 
 const int kNotConnected = -1;
 
-WebSocketServer::WebSocketServer(int port)
-    : port_(port), connection_id_(kNotConnected) {
+WebSocketServer::WebSocketServer(int port,
+                                 mojo::ScopedMessagePipeHandle server_pipe)
+    : port_(port),
+      connection_id_(kNotConnected),
+      spy_server_(MakeProxy<spy_api::SpyServer>(server_pipe.Pass())) {
+  spy_server_.set_client(this);
 }
 
 WebSocketServer::~WebSocketServer() {
 }
 
 bool WebSocketServer::Start() {
   net::TCPListenSocketFactory factory("0.0.0.0", port_);
-  server_ = new net::HttpServer(factory, this);
+  web_server_ = new net::HttpServer(factory, this);
   net::IPEndPoint address;
-  int error = server_->GetLocalAddress(&address);
+  int error = web_server_->GetLocalAddress(&address);
   port_ = address.port();
   return (error == net::OK);
 }
 
 void WebSocketServer::OnHttpRequest(
     int connection_id,
     const net::HttpServerRequestInfo& info) {
-  server_->Send500(connection_id, "websockets protocol only");
+  web_server_->Send500(connection_id, "websockets protocol only");
 }
 
 void WebSocketServer::OnWebSocketRequest(
     int connection_id,
     const net::HttpServerRequestInfo& info) {
   if (connection_id_ != kNotConnected) {
     // Reject connection since we already have our client.
     base::MessageLoop::current()->PostTask(
         FROM_HERE,
-        base::Bind(&net::HttpServer::Close, server_, connection_id));
+        base::Bind(&net::HttpServer::Close, web_server_, connection_id));
     return;
   }
   // Accept the connection.
-  server_->AcceptWebSocket(connection_id, info);
+  web_server_->AcceptWebSocket(connection_id, info);
   connection_id_ = connection_id;
 }
 
 void WebSocketServer::OnWebSocketMessage(
     int connection_id,
     const std::string& data) {
-  // TODO(cpu): remove this test code soon.
-  if (data == "\"hello\"")
-    server_->SendOverWebSocket(connection_id, "\"hi there!\"");
+
+  if (data == "\"start\"") {
+    spy_api::VersionPtr ver = spy_api::Version::New();
+    ver->v_major = 0;
+    ver->v_minor = 1;
+    spy_server_->StartSession(
+        ver.Pass(),
+        base::Bind(&WebSocketServer::OnStartSession, base::Unretained(this)));
+  } else if (data == "\"stop\"") {
+    spy_server_->StopSession(
+        base::Bind(&WebSocketServer::OnSessionEnd, base::Unretained(this)));
+  }
+}
+
+void WebSocketServer::OnFatalError(spy_api::Result result) {
+  web_server_->SendOverWebSocket(connection_id_, "\"fatal error\"");
 }
 
 void WebSocketServer::OnClose(
     int connection_id) {
-  if (connection_id == connection_id_)
-    connection_id_ = kNotConnected;
+  if (connection_id != connection_id_)
+    return;
+  connection_id_ = kNotConnected;
+
+  spy_server_->StopSession(
+      base::Bind(&WebSocketServer::OnSessionEnd, base::Unretained(this)));
 }
 
-}  // namespace spy
+void WebSocketServer::OnSessionEnd(spy_api::Result result) {
+  // Called when the spy session (not the websocket) ends.
+}
+
+void WebSocketServer::OnClientConnection(
+  const mojo::String& name,
+  uint32_t id,
+  spy_api::ConnectionOptions options) {
+  std::string cc("\"");
+  cc += name.To<std::string>() + "\"";
+  web_server_->SendOverWebSocket(connection_id_, cc);
+}
+
+void WebSocketServer::OnMessage(spy_api::MessagePtr message) {
+}
+
+void WebSocketServer::OnStartSession(spy_api::Result, mojo::String) {
+  web_server_->SendOverWebSocket(connection_id_, "\"ok start\"");
+}
+
+}  // namespace mojo