refactor: rename the atom directory to shell

shell/browser/api/atom_api_net_log.cc

@@ -0,0 +1,190 @@
+// Copyright (c) 2018 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/api/atom_api_net_log.h"
+
+#include <utility>
+
+#include "atom/browser/atom_browser_context.h"
+#include "atom/browser/net/system_network_context_manager.h"
+#include "atom/common/native_mate_converters/callback.h"
+#include "atom/common/native_mate_converters/file_path_converter.h"
+#include "atom/common/node_includes.h"
+#include "base/command_line.h"
+#include "chrome/browser/browser_process.h"
+#include "components/net_log/chrome_net_log.h"
+#include "content/public/browser/storage_partition.h"
+#include "electron/electron_version.h"
+#include "native_mate/dictionary.h"
+#include "native_mate/handle.h"
+#include "net/url_request/url_request_context_getter.h"
+
+namespace atom {
+
+namespace {
+
+scoped_refptr<base::SequencedTaskRunner> CreateFileTaskRunner() {
+  // The tasks posted to this sequenced task runner do synchronous File I/O for
+  // checking paths and setting permissions on files.
+  //
+  // These operations can be skipped on shutdown since FileNetLogObserver's API
+  // doesn't require things to have completed until notified of completion.
+  return base::CreateSequencedTaskRunnerWithTraits(
+      {base::MayBlock(), base::TaskPriority::USER_VISIBLE,
+       base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN});
+}
+
+base::File OpenFileForWriting(base::FilePath path) {
+  return base::File(path,
+                    base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
+}
+
+void ResolvePromiseWithNetError(util::Promise promise, int32_t error) {
+  if (error == net::OK) {
+    promise.Resolve();
+  } else {
+    promise.RejectWithErrorMessage(net::ErrorToString(error));
+  }
+}
+
+}  // namespace
+
+namespace api {
+
+NetLog::NetLog(v8::Isolate* isolate, AtomBrowserContext* browser_context)
+    : browser_context_(browser_context), weak_ptr_factory_(this) {
+  Init(isolate);
+  file_task_runner_ = CreateFileTaskRunner();
+}
+
+NetLog::~NetLog() = default;
+
+v8::Local<v8::Promise> NetLog::StartLogging(mate::Arguments* args) {
+  base::FilePath log_path;
+  if (!args->GetNext(&log_path) || log_path.empty()) {
+    args->ThrowError("The first parameter must be a valid string");
+    return v8::Local<v8::Promise>();
+  }
+
+  if (net_log_exporter_) {
+    args->ThrowError("There is already a net log running");
+    return v8::Local<v8::Promise>();
+  }
+
+  pending_start_promise_ = base::make_optional<util::Promise>(isolate());
+  v8::Local<v8::Promise> handle = pending_start_promise_->GetHandle();
+
+  auto command_line_string =
+      base::CommandLine::ForCurrentProcess()->GetCommandLineString();
+  auto channel_string = std::string("Electron " ELECTRON_VERSION);
+  base::Value custom_constants = base::Value::FromUniquePtrValue(
+      net_log::ChromeNetLog::GetPlatformConstants(command_line_string,
+                                                  channel_string));
+
+  auto* network_context =
+      content::BrowserContext::GetDefaultStoragePartition(browser_context_)
+          ->GetNetworkContext();
+
+  network_context->CreateNetLogExporter(mojo::MakeRequest(&net_log_exporter_));
+  net_log_exporter_.set_connection_error_handler(
+      base::BindOnce(&NetLog::OnConnectionError, base::Unretained(this)));
+
+  // TODO(deepak1556): Provide more flexibility to this module
+  // by allowing customizations on the capturing options.
+  auto capture_mode = net::NetLogCaptureMode::Default();
+  auto max_file_size = network::mojom::NetLogExporter::kUnlimitedFileSize;
+
+  base::PostTaskAndReplyWithResult(
+      file_task_runner_.get(), FROM_HERE,
+      base::BindOnce(OpenFileForWriting, log_path),
+      base::BindOnce(&NetLog::StartNetLogAfterCreateFile,
+                     weak_ptr_factory_.GetWeakPtr(), capture_mode,
+                     max_file_size, std::move(custom_constants)));
+
+  return handle;
+}
+
+void NetLog::StartNetLogAfterCreateFile(net::NetLogCaptureMode capture_mode,
+                                        uint64_t max_file_size,
+                                        base::Value custom_constants,
+                                        base::File output_file) {
+  if (!net_log_exporter_) {
+    // Theoretically the mojo pipe could have been closed by the time we get
+    // here via the connection error handler. If so, the promise has already
+    // been resolved.
+    return;
+  }
+  DCHECK(pending_start_promise_);
+  if (!output_file.IsValid()) {
+    std::move(*pending_start_promise_)
+        .RejectWithErrorMessage(
+            base::File::ErrorToString(output_file.error_details()));
+    net_log_exporter_.reset();
+    return;
+  }
+  net_log_exporter_->Start(
+      std::move(output_file), std::move(custom_constants), capture_mode,
+      max_file_size,
+      base::BindOnce(&NetLog::NetLogStarted, base::Unretained(this)));
+}
+
+void NetLog::NetLogStarted(int32_t error) {
+  DCHECK(pending_start_promise_);
+  ResolvePromiseWithNetError(std::move(*pending_start_promise_), error);
+}
+
+void NetLog::OnConnectionError() {
+  net_log_exporter_.reset();
+  if (pending_start_promise_) {
+    std::move(*pending_start_promise_)
+        .RejectWithErrorMessage("Failed to start net log exporter");
+  }
+}
+
+bool NetLog::IsCurrentlyLogging() const {
+  return !!net_log_exporter_;
+}
+
+v8::Local<v8::Promise> NetLog::StopLogging(mate::Arguments* args) {
+  util::Promise promise(isolate());
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  if (net_log_exporter_) {
+    // Move the net_log_exporter_ into the callback to ensure that the mojo
+    // pointer lives long enough to resolve the promise. Moving it into the
+    // callback will cause the instance variable to become empty.
+    net_log_exporter_->Stop(
+        base::Value(base::Value::Type::DICTIONARY),
+        base::BindOnce(
+            [](network::mojom::NetLogExporterPtr, util::Promise promise,
+               int32_t error) {
+              ResolvePromiseWithNetError(std::move(promise), error);
+            },
+            std::move(net_log_exporter_), std::move(promise)));
+  } else {
+    promise.RejectWithErrorMessage("No net log in progress");
+  }
+
+  return handle;
+}
+
+// static
+mate::Handle<NetLog> NetLog::Create(v8::Isolate* isolate,
+                                    AtomBrowserContext* browser_context) {
+  return mate::CreateHandle(isolate, new NetLog(isolate, browser_context));
+}
+
+// static
+void NetLog::BuildPrototype(v8::Isolate* isolate,
+                            v8::Local<v8::FunctionTemplate> prototype) {
+  prototype->SetClassName(mate::StringToV8(isolate, "NetLog"));
+  mate::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
+      .SetProperty("currentlyLogging", &NetLog::IsCurrentlyLogging)
+      .SetMethod("startLogging", &NetLog::StartLogging)
+      .SetMethod("stopLogging", &NetLog::StopLogging);
+}
+
+}  // namespace api
+
+}  // namespace atom