Rename SkyDebugger to KioskWM and move to /services

sky/tools/debugger/prompt/prompt.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 <algorithm>
-
-#include "base/bind.h"
-#include "base/debug/profiler.h"
-#include "base/memory/weak_ptr.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/stringprintf.h"
-#include "mojo/application/application_runner_chromium.h"
-#include "mojo/public/c/system/main.h"
-#include "mojo/public/cpp/application/application_delegate.h"
-#include "mojo/public/cpp/application/application_impl.h"
-#include "net/base/net_errors.h"
-#include "net/server/http_server.h"
-#include "net/server/http_server_request_info.h"
-#include "net/socket/tcp_server_socket.h"
-#include "services/tracing/tracing.mojom.h"
-#include "sky/tools/debugger/debugger.mojom.h"
-#include "sky/tools/debugger/prompt/trace_collector.h"
-
-namespace sky {
-namespace debugger {
-namespace {
-
-const size_t kMinSendBufferSize = 1024 * 1024;
-}
-
-class Prompt : public mojo::ApplicationDelegate,
-               public net::HttpServer::Delegate {
- public:
-  Prompt()
-      : is_tracing_(false),
-        weak_ptr_factory_(this) {
-  }
-  virtual ~Prompt() {
-  }
-
- private:
-  // Overridden from mojo::ApplicationDelegate:
-  virtual void Initialize(mojo::ApplicationImpl* app) override {
-    app->ConnectToService("mojo:tracing", &tracing_);
-    // Format: --args-for="app_url command_port"
-    if (app->args().size() < 2) {
-      LOG(ERROR) << "--args-for required to specify command_port";
-      mojo::ApplicationImpl::Terminate();
-      return;
-    }
-
-    base::StringToUint(app->args()[1], &command_port_);
-
-    scoped_ptr<net::ServerSocket> server_socket(
-        new net::TCPServerSocket(NULL, net::NetLog::Source()));
-    int result = server_socket->ListenWithAddressAndPort("0.0.0.0", command_port_, 1);
-    if (result != net::OK) {
-      LOG(ERROR) << "Failed to bind to port " << command_port_
-                 << " skydb commands will not work.";
-      mojo::ApplicationImpl::Terminate();
-      return;
-    }
-    web_server_.reset(new net::HttpServer(server_socket.Pass(), this));
-  }
-
-  virtual bool ConfigureIncomingConnection(
-      mojo::ApplicationConnection* connection) override {
-    connection->ConnectToService(&debugger_);
-    return true;
-  }
-
-  // net::HttpServer::Delegate
-  void OnConnect(int connection_id) override {
-  }
-
-  void OnClose(int connection_id) override {
-  }
-
-  void OnHttpRequest(
-      int connection_id, const net::HttpServerRequestInfo& info) override {
-
-    // FIXME: We should use use a fancier lookup system more like what
-    // services/http_server/http_server.cc does with AddHandler.
-    if (info.path == "/reload")
-      Load(connection_id, url_);
-    else if (info.path == "/inspect")
-      Inspect(connection_id);
-    else if (info.path == "/quit")
-      Quit(connection_id);
-    else if (info.path == "/load")
-      Load(connection_id, info.data);
-    else if (info.path == "/start_profiling")
-      StartProfiling(connection_id);
-    else if (info.path == "/stop_profiling")
-      StopProfiling(connection_id);
-    else if (info.path == "/start_tracing")
-      StartTracing(connection_id);
-    else if (info.path == "/stop_tracing")
-      StopTracing(connection_id);
-    else
-      Help(info.path, connection_id);
-  }
-
-  void OnWebSocketRequest(
-      int connection_id, const net::HttpServerRequestInfo& info) override {
-    Error(connection_id, "OnWebSocketRequest not implemented");
-  }
-
-  void OnWebSocketMessage(
-      int connection_id, const std::string& data) override {
-    Error(connection_id, "OnWebSocketMessage not implemented");
-  }
-
-  void Error(int connection_id, std::string message) {
-    web_server_->Send500(connection_id, message);
-  }
-
-  void Respond(int connection_id, std::string response) {
-    // When sending tracing data back over the wire to the client, we can blow
-    // through the default send buffer size.
-    web_server_->SetSendBufferSize(
-        connection_id, std::max(kMinSendBufferSize, response.length()));
-    web_server_->Send200(connection_id, response, "text/plain");
-  }
-
-  void Help(std::string path, int connection_id) {
-    std::string help = base::StringPrintf("Sky Debugger running on port %d\n"
-        "Supported URLs:\n"
-        "/reload           -- Reload the current page\n"
-        "/quit             -- Quit\n"
-        "/load             -- Load a new URL, url in POST body.\n",
-        command_port_);
-    if (path != "/")
-      help = "Unknown path: " + path + "\n\n" + help;
-    Respond(connection_id, help);
-  }
-
-  void Load(int connection_id, std::string url) {
-    url_ = url;
-    Reload();
-    std::string response = std::string("Loaded ") + url + "\n";
-    Respond(connection_id, response);
-  }
-
-  void Reload() {
-    debugger_->NavigateToURL(url_);
-  }
-
-  void Inspect(int connection_id) {
-    debugger_->InjectInspector();
-    Respond(connection_id,
-        "Open the following URL in Chrome:\n"
-        "chrome-devtools://devtools/bundled/devtools.html?ws=localhost:9898\n");
-  }
-
-  void Quit(int connection_id) {
-    debugger_->Shutdown();
-  }
-
-  void StartTracing(int connection_id) {
-    if (is_tracing_) {
-      Error(connection_id, "Already tracing. Use stop_tracing to stop.\n");
-      return;
-    }
-
-    is_tracing_ = true;
-    mojo::DataPipe pipe;
-    tracing_->Start(pipe.producer_handle.Pass(), mojo::String("*"));
-    trace_collector_.reset(new TraceCollector(pipe.consumer_handle.Pass()));
-    Respond(connection_id, "Starting trace (type 'stop_tracing' to stop)\n");
-  }
-
-  void StopTracing(int connection_id) {
-    if (!is_tracing_) {
-      Error(connection_id, "Not tracing yet. Use start_tracing to start.\n");
-      return;
-    }
-
-    is_tracing_ = false;
-    tracing_->StopAndFlush();
-    trace_collector_->GetTrace(base::Bind(
-        &Prompt::OnTraceAvailable, base::Unretained(this), connection_id));
-  }
-
-  void OnTraceAvailable(int connection_id, std::string trace) {
-    trace_collector_.reset();
-    Respond(connection_id, trace);
-  }
-
-  void StartProfiling(int connection_id) {
-#if !defined(NDEBUG) || !defined(ENABLE_PROFILING)
-    Error(connection_id,
-          "Profiling requires is_debug=false and enable_profiling=true");
-    return;
-#else
-    base::debug::StartProfiling("sky_viewer.pprof");
-    Respond(connection_id, "Starting profiling (stop with 'stop_profiling')");
-#endif
-  }
-
-  void StopProfiling(int connection_id) {
-    if (!base::debug::BeingProfiled()) {
-      Error(connection_id, "Profiling not started");
-      return;
-    }
-    base::debug::StopProfiling();
-    Respond(connection_id, "Stopped profiling");
-  }
-
-  bool is_tracing_;
-  DebuggerPtr debugger_;
-  tracing::TraceCoordinatorPtr tracing_;
-  std::string url_;
-  base::WeakPtrFactory<Prompt> weak_ptr_factory_;
-  scoped_ptr<net::HttpServer> web_server_;
-  uint32_t command_port_;
-
-  scoped_ptr<TraceCollector> trace_collector_;
-
-  DISALLOW_COPY_AND_ASSIGN(Prompt);
-};
-
-}  // namespace debugger
-}  // namespace sky
-
-MojoResult MojoMain(MojoHandle shell_handle) {
-  mojo::ApplicationRunnerChromium runner(new sky::debugger::Prompt);
-  runner.set_message_loop_type(base::MessageLoop::TYPE_IO);
-  return runner.Run(shell_handle);
-}