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f5ea51d82e
As EdgeVPN can be used as library and it turns out to be quite useful, change license for follow up versions to Apache so can be used as a library easilier.
64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
/*
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Copyright © 2021-2022 Ettore Di Giacinto <mudler@mocaccino.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package hub
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import "encoding/json"
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// Message gets converted to/from JSON and sent in the body of pubsub messages.
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type Message struct {
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Message string
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SenderID string
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Annotations map[string]interface{}
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}
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type MessageOption func(cfg *Message) error
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// Apply applies the given options to the config, returning the first error
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// encountered (if any).
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func (m *Message) Apply(opts ...MessageOption) error {
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for _, opt := range opts {
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if opt == nil {
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continue
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}
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if err := opt(m); err != nil {
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return err
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}
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}
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return nil
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}
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func NewMessage(s string) *Message {
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return &Message{Message: s}
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}
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func (m *Message) Copy() *Message {
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copy := *m
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return ©
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}
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func (m *Message) WithMessage(s string) *Message {
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copy := m.Copy()
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copy.Message = s
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return copy
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}
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func (m *Message) AnnotationsToObj(v interface{}) error {
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blob, err := json.Marshal(m.Annotations)
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if err != nil {
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return err
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}
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return json.Unmarshal(blob, v)
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}
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