| // 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/shell/in_process_dynamic_service_runner.h" |
| |
| #include "base/bind.h" |
| #include "base/callback_helpers.h" |
| #include "base/file_util.h" |
| #include "base/logging.h" |
| #include "base/scoped_native_library.h" |
| |
| namespace mojo { |
| namespace shell { |
| |
| InProcessDynamicServiceRunner::InProcessDynamicServiceRunner( |
| Context* /*context*/) |
| : thread_(this, "app_thread") { |
| } |
| |
| InProcessDynamicServiceRunner::~InProcessDynamicServiceRunner() { |
| if (thread_.HasBeenStarted()) { |
| DCHECK(!thread_.HasBeenJoined()); |
| thread_.Join(); |
| } |
| } |
| |
| void InProcessDynamicServiceRunner::Start( |
| const base::FilePath& app_path, |
| ScopedShellHandle service_handle, |
| const base::Closure& app_completed_callback) { |
| app_path_ = app_path; |
| |
| DCHECK(!service_handle_.is_valid()); |
| service_handle_ = service_handle.Pass(); |
| |
| DCHECK(app_completed_callback_.is_null()); |
| app_completed_callback_ = app_completed_callback; |
| |
| DCHECK(!thread_.HasBeenStarted()); |
| thread_.Start(); |
| } |
| |
| void InProcessDynamicServiceRunner::Run() { |
| DVLOG(2) << "Loading/running Mojo app from " << app_path_.value() |
| << " in process"; |
| |
| base::ScopedClosureRunner app_deleter( |
| base::Bind(base::IgnoreResult(&base::DeleteFile), app_path_, false)); |
| |
| do { |
| std::string load_error; |
| base::ScopedNativeLibrary app_library( |
| base::LoadNativeLibrary(app_path_, &load_error)); |
| if (!app_library.is_valid()) { |
| LOG(ERROR) << "Failed to load library (error: " << load_error << ")"; |
| break; |
| } |
| |
| typedef MojoResult (*MojoMainFunction)(MojoHandle); |
| MojoMainFunction main_function = reinterpret_cast<MojoMainFunction>( |
| app_library.GetFunctionPointer("MojoMain")); |
| if (!main_function) { |
| LOG(ERROR) << "Entrypoint MojoMain not found"; |
| break; |
| } |
| |
| // |MojoMain()| takes ownership of the service handle. |
| MojoResult result = main_function(service_handle_.release().value()); |
| if (result < MOJO_RESULT_OK) |
| LOG(ERROR) << "MojoMain returned an error: " << result; |
| } while (false); |
| |
| app_completed_callback_.Run(); |
| app_completed_callback_.Reset(); |
| } |
| |
| } // namespace shell |
| } // namespace mojo |