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// Copyright 2016 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 "media/remoting/rpc_broker.h"
#include <utility>
#include "base/logging.h"
#include "media/base/bind_to_current_loop.h"
namespace media {
namespace remoting {
namespace {
std::ostream& operator<<(std::ostream& out, const pb::RpcMessage& message) {
out << "handle=" << message.handle() << ", proc=" << message.proc();
switch (message.rpc_oneof_case()) {
case pb::RpcMessage::kIntegerValue:
out << ", integer_value=" << message.integer_value();
break;
case pb::RpcMessage::kInteger64Value:
out << ", integer64_value=" << message.integer64_value();
break;
case pb::RpcMessage::kDoubleValue:
out << ", double_value=" << message.double_value();
break;
case pb::RpcMessage::kBooleanValue:
out << ", boolean_value=" << message.boolean_value();
break;
case pb::RpcMessage::kStringValue:
out << ", string_value=" << message.string_value();
break;
default:
out << ", rpc_oneof=" << message.rpc_oneof_case();
break;
}
return out;
}
} // namespace
RpcBroker::RpcBroker(const SendMessageCallback& send_message_cb)
: next_handle_(kFirstHandle),
send_message_cb_(send_message_cb),
weak_factory_(this) {}
RpcBroker::~RpcBroker() {
DCHECK(thread_checker_.CalledOnValidThread());
receive_callbacks_.clear();
}
int RpcBroker::GetUniqueHandle() {
DCHECK(thread_checker_.CalledOnValidThread());
return next_handle_++;
}
void RpcBroker::RegisterMessageReceiverCallback(
int handle,
const ReceiveMessageCallback& callback) {
VLOG(2) << __func__ << "handle=" << handle;
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK(receive_callbacks_.find(handle) == receive_callbacks_.end());
receive_callbacks_[handle] = callback;
}
void RpcBroker::UnregisterMessageReceiverCallback(int handle) {
VLOG(2) << __func__ << " handle=" << handle;
DCHECK(thread_checker_.CalledOnValidThread());
receive_callbacks_.erase(handle);
}
void RpcBroker::ProcessMessageFromRemote(
std::unique_ptr<pb::RpcMessage> message) {
DCHECK(message);
DCHECK(thread_checker_.CalledOnValidThread());
VLOG(3) << __func__ << ": " << *message;
const auto entry = receive_callbacks_.find(message->handle());
if (entry == receive_callbacks_.end()) {
VLOG(1) << "unregistered handle: " << message->handle();
return;
}
entry->second.Run(std::move(message));
}
void RpcBroker::SendMessageToRemote(std::unique_ptr<pb::RpcMessage> message) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK(message);
VLOG(3) << __func__ << ": " << *message;
std::unique_ptr<std::vector<uint8_t>> serialized_message(
new std::vector<uint8_t>(message->ByteSize()));
CHECK(message->SerializeToArray(serialized_message->data(),
serialized_message->size()));
send_message_cb_.Run(std::move(serialized_message));
}
base::WeakPtr<RpcBroker> RpcBroker::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
void RpcBroker::SetMessageCallbackForTesting(
const SendMessageCallback& send_message_cb) {
DCHECK(thread_checker_.CalledOnValidThread());
send_message_cb_ = send_message_cb;
}
} // namespace remoting
} // namespace media
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