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authorVladimir Lavor <vlavor@cisco.com>2021-07-06 14:17:36 +0200
committerVladimir Lavor <vlavor@cisco.com>2021-07-22 09:39:16 +0200
commit57de49f7583b8174c7f3d8e21956d4eaac64ac28 (patch)
tree9aece9ad7abcb1f757dcb9298d39fb0d27086f24 /core/trace.go
parent91800ed117b781ede18cd45b84b80408ec31daf5 (diff)
feat: api-trace
Signed-off-by: Vladimir Lavor <vlavor@cisco.com> Change-Id: I7de363dfb3930db13a30e97f154c57d75c07f01c
Diffstat (limited to 'core/trace.go')
-rw-r--r--core/trace.go70
1 files changed, 70 insertions, 0 deletions
diff --git a/core/trace.go b/core/trace.go
new file mode 100644
index 0000000..ea9a57b
--- /dev/null
+++ b/core/trace.go
@@ -0,0 +1,70 @@
+// Copyright (c) 2021 Cisco and/or its affiliates.
+//
+// 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 core
+
+import (
+ "git.fd.io/govpp.git/api"
+ "sort"
+ "sync"
+ "sync/atomic"
+)
+
+// trace is the API tracer object synchronizing and keeping recoded messages.
+type trace struct {
+ list []*api.Record
+ mux *sync.Mutex
+
+ isEnabled int32
+}
+
+func (c *trace) Enable(enable bool) {
+ if enable && atomic.CompareAndSwapInt32(&c.isEnabled, 0, 1) {
+ log.Debugf("API trace enabled")
+ } else if atomic.CompareAndSwapInt32(&c.isEnabled, 1, 0) {
+ log.Debugf("API trace disabled")
+ }
+}
+
+func (c *trace) GetRecords() (list []*api.Record) {
+ c.mux.Lock()
+ for _, entry := range c.list {
+ list = append(list, entry)
+ }
+ c.mux.Unlock()
+ sort.Slice(list, func(i, j int) bool {
+ return list[i].Timestamp.Before(list[j].Timestamp)
+ })
+ return list
+}
+
+func (c *trace) GetRecordsForChannel(chId uint16) (list []*api.Record) {
+ c.mux.Lock()
+ for _, entry := range c.list {
+ if entry.ChannelID == chId {
+ list = append(list, entry)
+ }
+ }
+ c.mux.Unlock()
+ sort.Slice(list, func(i, j int) bool {
+ return list[i].Timestamp.Before(list[j].Timestamp)
+ })
+ return list
+}
+
+func (c *trace) Clear() {
+ c.mux.Lock()
+ c.list = make([]*api.Record, 0)
+ c.mux.Unlock()
+}