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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/cast_streaming/test/cast_message_port_sender_impl.h"
#include "base/logging.h"
#include "components/cast_streaming/common/message_serialization.h"
#include "third_party/openscreen/src/platform/base/error.h"
namespace cast_streaming {
CastMessagePortSenderImpl::CastMessagePortSenderImpl(
std::unique_ptr<cast_api_bindings::MessagePort> message_port,
base::OnceClosure on_close,
base::OnceClosure on_system_sender_message_received)
: message_port_(std::move(message_port)),
on_close_(std::move(on_close)),
on_system_sender_message_received_(
std::move(on_system_sender_message_received)) {
VLOG(1) << __func__;
message_port_->SetReceiver(this);
}
CastMessagePortSenderImpl::~CastMessagePortSenderImpl() = default;
void CastMessagePortSenderImpl::MaybeClose() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
// We may be called multiple times, but only want to close once.
if (is_closed_) {
return;
}
if (message_port_) {
message_port_.reset();
}
if (client_) {
client_->OnError(
openscreen::Error(openscreen::Error::Code::kCastV2CastSocketError));
if (on_close_) {
std::move(on_close_).Run();
}
}
is_closed_ = true;
}
void CastMessagePortSenderImpl::SetClient(
openscreen::cast::MessagePort::Client& client) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
VLOG(2) << __func__;
client_ = &client;
}
void CastMessagePortSenderImpl::ResetClient() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
client_ = nullptr;
MaybeClose();
}
void CastMessagePortSenderImpl::PostMessage(
const std::string& sender_id,
const std::string& message_namespace,
const std::string& message) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
VLOG(3) << __func__;
if (!message_port_) {
return;
}
VLOG(3) << "Received Open Screen message. SenderId: " << sender_id
<< ". Namespace: " << message_namespace << ". Message: " << message;
message_port_->PostMessage(
SerializeCastMessage(sender_id, message_namespace, message));
}
bool CastMessagePortSenderImpl::OnMessage(
std::string_view message,
std::vector<std::unique_ptr<cast_api_bindings::MessagePort>> ports) {
VLOG(3) << __func__;
// If |client_| was cleared, |message_port_| should have been reset.
CHECK(client_);
if (!ports.empty()) {
// We should never receive any ports for Cast Streaming.
MaybeClose();
return false;
}
std::string sender_id;
std::string message_namespace;
std::string str_message;
if (!DeserializeCastMessage(message, &sender_id, &message_namespace,
&str_message)) {
LOG(ERROR) << "Received bad message. " << message;
client_->OnError(
openscreen::Error(openscreen::Error::Code::kCastV2InvalidMessage));
return false;
}
VLOG(3) << "Received Cast message. SenderId: " << sender_id
<< ". Namespace: " << message_namespace
<< ". Message: " << str_message;
if (message_namespace == kSystemNamespace) {
if (on_system_sender_message_received_) {
std::move(on_system_sender_message_received_).Run();
}
} else {
client_->OnMessage(sender_id, message_namespace, str_message);
}
return true;
}
void CastMessagePortSenderImpl::OnPipeError() {
VLOG(3) << __func__;
MaybeClose();
}
} // namespace cast_streaming
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