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MessageWrapper.hpp
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MessageWrapper.hpp
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#pragma once
#include <fstream>
#include <nlohmann/json.hpp>
#include "FactoryMethod.hpp"
#include "socket.pb.h"
struct CommandRouter
{
int16_t high;
int16_t low;
int32_t code() const {
return high << 16 | low;
}
operator int32_t () const
{
return code();
}
NLOHMANN_DEFINE_TYPE_INTRUSIVE(CommandRouter, high, low);
};
class CommandRouterMap final
: protected std::map<std::string, CommandRouter>
{
public:
bool load(std::string filepath)
{
SPDLOG_DEBUG("{} Load from {}", __FUNCTION__, filepath);
std::ifstream ifs{ filepath };
if (!ifs)
{
SPDLOG_ERROR("{} Cannot load {}", __FUNCTION__, filepath);
return false;
}
nlohmann::json j;
ifs >> j;
ifs.close();
SPDLOG_DEBUG("{} {} routers loaded", __FUNCTION__, j.size());
clear();
for (auto item : j.items())
{
auto key = item.key();
CommandRouter router = item.value();
insert(std::make_pair(key, router));
}
return true;
}
bool contains(std::string router_name) const
{
return find(router_name) != end();
}
CommandRouter router(std::string router_name) const
{
return at(router_name);
}
CommandRouter router(std::string router_name, CommandRouter default_router) const
{
if (contains(router_name))
return at(router_name);
else
return default_router;
}
public:
static auto& instance() {
static CommandRouterMap ins_;
return ins_;
}
protected:
CommandRouterMap() = default;
CommandRouterMap(const CommandRouterMap&) = delete;
CommandRouterMap(CommandRouterMap&&) = delete;
CommandRouterMap& operator = (const CommandRouterMap&&) = delete;
CommandRouterMap& operator = (CommandRouterMap&&) = delete;
};
class MessageWrapper
{
public:
using SocketMessage = pb::socket::ExternalMessage;
auto setCmdCode(int32_t cmdcode) {
return message_.set_cmdcode(cmdcode);
}
auto cmdCode() const {
return message_.cmdcode();
}
auto setProtocolSwitch(int32_t protocolswitch) {
return message_.set_protocolswitch(protocolswitch);
}
auto protocolSwitch() const {
return message_.protocolswitch();
}
auto setCmdMerge(int32_t cmdmerge) {
return message_.set_cmdmerge(cmdmerge);
}
auto cmdMerge() const {
return message_.cmdmerge();
}
auto setResponseStatus(int32_t responsestatus) {
return message_.set_responsestatus(responsestatus);
}
auto reponseStatus() const {
return message_.responsestatus();
}
auto setValidMsg(std::string validmsg) {
return message_.set_validmsg(validmsg);
}
auto validMsg() const {
return message_.validmsg();
}
auto setData(std::string data) {
return message_.set_data(data);
}
auto data() const {
return message_.data();
}
auto setData(const google::protobuf::Message& data) {
return message_.set_data(data.SerializeAsString());
}
template<typename T>
typename std::enable_if<std::is_base_of<google::protobuf::Message, T>::value, T>::type object() const
{
T t;
t.ParseFromString(data());
return t;
}
auto toObject(google::protobuf::Message& msg) const
{
return msg.ParseFromString(data());
}
public:
void setRouter(std::string routerName)
{
auto& router = CommandRouterMap::instance();
setCmdMerge(router.router(routerName, CommandRouter{ 0, 0 }));
SPDLOG_DEBUG("{} {} Router \"{}\"", __FUNCTION__, static_cast<void*>(this), routerName);
}
void setRouter(google::protobuf::Message& msg)
{
return setRouter(msg.GetTypeName());
}
public:
auto serializeAsString() const
{
return message_.SerializeAsString();
}
auto parseFromString(std::string str)
{
return message_.ParseFromString(str);
}
auto static FromString(std::string str)
{
MessageWrapper wrapper;
wrapper.parseFromString(str);
return std::move(wrapper);
}
SocketMessage& message() {
return message_;
}
const SocketMessage& message() const{
return message_;
}
protected:
SocketMessage message_{};
};