/
tracer_mem.go
70 lines (62 loc) · 1.65 KB
/
tracer_mem.go
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/*
* Copyright 2016 Fabrício Godoy
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package tlog
// A TracerMemory represents a container for service event entries that stores events
// in-memory.
type TracerMemory struct {
FilterLevel Level
Entries []TracerEntry
}
// NewTracerMemory creates a new instance of TracerMemory type.
func NewTracerMemory(level Level) *TracerMemory {
return &TracerMemory{
level,
make([]TracerEntry, 0),
}
}
// AddEntry appends a new event to current container.
func (t *TracerMemory) AddEntry(
level Level, code, msg string,
htStatus int, err error,
svcname string, stack ...string,
) *TracerEntry {
if level < t.FilterLevel {
return nil
}
entry := TracerEntry{
code,
level,
svcname,
stack,
msg,
htStatus,
err,
}
t.Entries = append(t.Entries, entry)
return &entry
}
// FilterEntries returns event entries where its severity level is greater or equal to
// specified level.
func (t *TracerMemory) FilterEntries(level Level) []TracerEntry {
var res []TracerEntry
for _, e := range t.Entries {
if e.Level >= level {
res = append(res, e)
}
}
return res
}
var _ Tracer = (*TracerMemory)(nil)