MessageProcessorBase.cpp

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include <io/rpc/MessageProcessorBase.h>
#include <io/rpc/Messages.h>
#include <io/rpc/ZMQContext.h>
 
#include <zmq.hpp>
 
using namespace cloudViewer::utility;
 
namespace {
std::shared_ptr<zmq::message_t> CreateStatusMessage(
        const cloudViewer::io::rpc::messages::Status& status) {
    msgpack::sbuffer sbuf;
    cloudViewer::io::rpc::messages::Reply reply{status.MsgId()};
    msgpack::pack(sbuf, reply);
    msgpack::pack(sbuf, status);
    std::shared_ptr<zmq::message_t> msg =
            std::make_shared<zmq::message_t>(sbuf.data(), sbuf.size());
 
    return msg;
}
 
template <class T>
std::shared_ptr<zmq::message_t> IgnoreMessage(
        const cloudViewer::io::rpc::messages::Request& req,
        const T& msg,
        const msgpack::object_handle& obj) {
    LogInfo("MessageProcessorBase::ProcessMessage: messages with id {} will be "
            "ignored",
            msg.MsgId());
    auto status =
            cloudViewer::io::rpc::messages::Status::ErrorProcessingMessage();
    status.str += ": messages with id " + msg.MsgId() + " are not supported";
    return CreateStatusMessage(status);
}
 
}  // namespace
 
namespace cloudViewer {
namespace io {
namespace rpc {
 
MessageProcessorBase::MessageProcessorBase() {}
 
MessageProcessorBase::~MessageProcessorBase() {}
 
std::shared_ptr<zmq::message_t> MessageProcessorBase::ProcessMessage(
        const messages::Request& req,
        const messages::SetMeshData& msg,
        const msgpack::object_handle& obj) {
    return IgnoreMessage(req, msg, obj);
}
 
std::shared_ptr<zmq::message_t> MessageProcessorBase::ProcessMessage(
        const messages::Request& req,
        const messages::GetMeshData& msg,
        const msgpack::object_handle& obj) {
    return IgnoreMessage(req, msg, obj);
}
 
std::shared_ptr<zmq::message_t> MessageProcessorBase::ProcessMessage(
        const messages::Request& req,
        const messages::SetCameraData& msg,
        const msgpack::object_handle& obj) {
    return IgnoreMessage(req, msg, obj);
}
 
std::shared_ptr<zmq::message_t> MessageProcessorBase::ProcessMessage(
        const messages::Request& req,
        const messages::SetProperties& msg,
        const msgpack::object_handle& obj) {
    return IgnoreMessage(req, msg, obj);
}
 
std::shared_ptr<zmq::message_t> MessageProcessorBase::ProcessMessage(
        const messages::Request& req,
        const messages::SetActiveCamera& msg,
        const msgpack::object_handle& obj) {
    return IgnoreMessage(req, msg, obj);
}
 
std::shared_ptr<zmq::message_t> MessageProcessorBase::ProcessMessage(
        const messages::Request& req,
        const messages::SetTime& msg,
        const msgpack::object_handle& obj) {
    return IgnoreMessage(req, msg, obj);
}
 
}  // namespace rpc
}  // namespace io
}  // namespace cloudViewer