/
reporter.go
83 lines (66 loc) · 1.86 KB
/
reporter.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
// Copyright 2018 Istio Authors
//
// 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 dispatcher
import (
"context"
tpb "istio.io/api/mixer/adapter/model/v1beta1"
"istio.io/istio/mixer/pkg/attribute"
"istio.io/istio/mixer/pkg/runtime/routing"
)
// Reporter is used to produce a series of reports
type Reporter interface {
// Report adds an entry to the report state
Report(requestBag attribute.Bag) error
// Flush dispatches all buffered state to the appropriate adapters.
Flush() error
// Completes use of the reporter
Done()
}
// reporter is the implementation of the Reporter interface
type reporter struct {
impl *Impl
rc *RoutingContext
ctx context.Context
states map[*routing.Destination]*dispatchState
}
var _ Reporter = &reporter{}
func (r *reporter) clear() {
r.impl = nil
r.rc = nil
r.ctx = nil
for k := range r.states {
delete(r.states, k)
}
}
func (r *reporter) Report(bag attribute.Bag) error {
s := r.impl.getSession(r.ctx, tpb.TEMPLATE_VARIETY_REPORT, bag)
s.reportStates = r.states
err := s.dispatch()
if err == nil {
err = s.err
}
r.impl.putSession(s)
return err
}
func (r *reporter) Flush() error {
s := r.impl.getSession(r.ctx, tpb.TEMPLATE_VARIETY_REPORT, nil)
s.reportStates = r.states
s.dispatchBufferedReports()
err := s.err
r.impl.putSession(s)
return err
}
func (r *reporter) Done() {
r.impl.putReporter(r)
}