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/*
*
* (C) 2010-2025 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*/
#pragma once
#include "httpd.h"
#include <variant>
class RPCBlock
{
public:
/** Represents possible types of RPC value. */
using RPCValue = std::variant<RPCBlock, Anope::string, std::nullptr_t, bool, double, int64_t, uint64_t>;
/** Retrieves the list of RPC replies. */
inline const auto &GetReplies() const { return this->replies; }
template <typename Stringable>
inline RPCBlock &Reply(const Anope::string &key, const Stringable &value)
{
this->replies.emplace(key, Anope::ToString(value));
return *this;
}
inline RPCBlock &ReplyBlock(const Anope::string &key)
{
auto it = this->replies.emplace(key, RPCBlock());
return std::get<RPCBlock>(it.first->second);
}
inline RPCBlock &ReplyBool(const Anope::string &key, bool value)
{
this->replies.emplace(key, value);
return *this;
}
inline RPCBlock &ReplyFloat(const Anope::string &key, double value)
{
this->replies.emplace(key, value);
return *this;
}
inline RPCBlock &ReplyInt(const Anope::string &key, int64_t value)
{
this->replies.emplace(key, value);
return *this;
}
inline RPCBlock &ReplyNull(const Anope::string &key)
{
this->replies.emplace(key, nullptr);
return *this;
}
inline RPCBlock &ReplyUInt(const Anope::string &key, uint64_t value)
{
this->replies.emplace(key, value);
return *this;
}
private:
Anope::map<RPCValue> replies;
};
class RPCRequest final
: public RPCBlock
{
private:
std::optional<std::pair<int64_t, Anope::string>> error;
public:
Anope::string name;
Anope::string id;
std::deque<Anope::string> data;
HTTPReply &reply;
RPCRequest(HTTPReply &r)
: reply(r)
{
}
inline void Error(uint64_t errcode, const Anope::string &errstr)
{
this->error.emplace(errcode, errstr);
}
inline const auto &GetError() const { return this->error; }
};
class RPCServiceInterface;
class RPCEvent
{
private:
Anope::string event;
protected:
RPCEvent(const Anope::string& e)
: event(e)
{
}
public:
virtual ~RPCEvent() = default;
const auto &GetEvent() const { return event; }
virtual bool Run(RPCServiceInterface *iface, HTTPClient *client, RPCRequest &request) = 0;
};
class RPCServiceInterface
: public Service
{
public:
RPCServiceInterface(Module *creator, const Anope::string &sname) : Service(creator, "RPCServiceInterface", sname) { }
virtual bool Register(RPCEvent *event) = 0;
virtual bool Unregister(RPCEvent *event) = 0;
virtual void Reply(RPCRequest &request) = 0;
};
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