Move synchronization loop into new package frontend

[safcm/safcm.git] / frontend / log.go

diff --git a/frontend/log.go b/frontend/log.go
new file mode 100644 (file)
index 0000000..33fa1d0
--- /dev/null
+++ b/frontend/log.go
@@ -0,0 +1,52 @@
+// 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,
+       }
+}