// Frontend: Logging functions for programs using the safcm library

// Copyright (C) 2021  Simon Ruderich
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package frontend

import (
	"ruderich.org/simon/safcm"
	"ruderich.org/simon/safcm/rpc"
)

type Event struct {
	Host Host

	// Only one of Error, Log and ConnEvent is set in a single event
	Error     error
	Log       Log
	ConnEvent rpc.ConnEvent

	Escaped bool // true if untrusted input is already escaped
}

type Log struct {
	Level safcm.LogLevel
	Text  string
}

func (l *Loop) Log(host Host, level safcm.LogLevel, escaped bool,
	msg string) {

	l.events <- Event{
		Host: host,
		Log: Log{
			Level: level,
			Text:  msg,
		},
		Escaped: escaped,
	}
}