// Anope IRC Services <https://www.anope.org/>
//
// Copyright (C) 2003-2026 Anope Contributors
//
// Anope is free software. You can use, modify, and/or distribute it under the
// terms of version 2 of the GNU General Public License. See docs/LICENSE.txt
// for the complete terms of this license and docs/AUTHORS.txt for a list of
// contributors.
//
// Based on the original code of Epona by Lara
// Based on the original code of Services by Andy Church
//
// SPDX-License-Identifier: GPL-2.0-only

#include "services.h"
#include "anope.h"
#include "logger.h"
#include "sockets.h"

#include <cerrno>

void ConnectionSocket::Connect(const Anope::string &TargetHost, int Port)
{
	this->io->Connect(this, TargetHost, Port);
}

bool ConnectionSocket::Process()
{
	try
	{
		if (this->flags[SF_CONNECTED])
			return true;
		else if (this->flags[SF_CONNECTING])
			this->flags[this->io->FinishConnect(this)] = true;
		else
			this->flags[SF_DEAD] = true;
	}
	catch (const SocketException &ex)
	{
		Log() << ex.GetReason();
	}
	return false;
}

void ConnectionSocket::ProcessError()
{
	int optval = 0;
	socklen_t optlen = sizeof(optval);
	getsockopt(this->GetFD(), SOL_SOCKET, SO_ERROR, reinterpret_cast<char *>(&optval), &optlen);
	errno = optval;
	this->OnError(optval ? Anope::LastError() : "");
}

void ConnectionSocket::OnConnect()
{
}

void ConnectionSocket::OnError(const Anope::string &error)
{
	Log(LOG_DEBUG) << "Socket error: " << error;
}

ClientSocket::ClientSocket(ListenSocket *l, const sockaddrs &addr) : ls(l), clientaddr(addr)
{
}

bool ClientSocket::Process()
{
	try
	{
		if (this->flags[SF_ACCEPTED])
			return true;
		else if (this->flags[SF_ACCEPTING])
			this->flags[this->io->FinishAccept(this)] = true;
		else
			this->flags[SF_DEAD] = true;
	}
	catch (const SocketException &ex)
	{
		Log() << ex.GetReason();
	}
	return false;
}

void ClientSocket::ProcessError()
{
	int optval = 0;
	socklen_t optlen = sizeof(optval);
	getsockopt(this->GetFD(), SOL_SOCKET, SO_ERROR, reinterpret_cast<char *>(&optval), &optlen);
	errno = optval;
	this->OnError(optval ? Anope::LastError() : "");
}

void ClientSocket::OnAccept()
{
}

void ClientSocket::OnError(const Anope::string &error)
{
	Log(LOG_DEBUG) << "Socket error: " << error;
}