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// Copyright 2015 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/runner/child/runner_connection.h"
#include <stdint.h>
#include <utility>
#include "base/bind.h"
#include "base/callback.h"
#include "base/command_line.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "mojo/edk/embedder/embedder.h"
#include "mojo/edk/embedder/platform_channel_pair.h"
#include "mojo/edk/embedder/scoped_platform_handle.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "mojo/shell/public/interfaces/shell_client_factory.mojom.h"
#include "mojo/shell/runner/common/switches.h"
namespace mojo {
namespace shell {
namespace {
class RunnerConnectionImpl : public RunnerConnection,
public mojom::ShellClientFactory {
public:
RunnerConnectionImpl(mojo::ShellConnection* shell_connetion,
mojom::ShellClientFactoryRequest client_factory_request,
bool exit_on_error)
: shell_connection_(shell_connetion),
binding_(this, std::move(client_factory_request)),
exit_on_error_(exit_on_error) {
binding_.set_connection_error_handler([this] { OnConnectionError(); });
}
~RunnerConnectionImpl() override {}
private:
// mojom::ShellClientFactory:
void CreateShellClient(mojom::ShellClientRequest client_request,
const String& name) override {
shell_connection_->BindToRequest(std::move(client_request));
}
void OnConnectionError() {
// A connection error means the connection to the shell is lost. This is not
// recoverable.
DLOG(ERROR) << "Connection error to the shell.";
if (exit_on_error_)
_exit(1);
}
mojo::ShellConnection* const shell_connection_;
Binding<mojom::ShellClientFactory> binding_;
const bool exit_on_error_;
DISALLOW_COPY_AND_ASSIGN(RunnerConnectionImpl);
};
} // namespace
RunnerConnection::~RunnerConnection() {}
// static
scoped_ptr<RunnerConnection> RunnerConnection::Create(
mojo::ShellConnection* shell_connection,
bool exit_on_error) {
std::string primordial_pipe_token =
base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
switches::kPrimordialPipeToken);
mojom::ShellClientFactoryRequest client_factory_request;
client_factory_request.Bind(
edk::CreateChildMessagePipe(primordial_pipe_token));
return make_scoped_ptr(new RunnerConnectionImpl(
shell_connection, std::move(client_factory_request), exit_on_error));
}
RunnerConnection::RunnerConnection() {}
} // namespace shell
} // namespace mojo
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