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mqtt protocol binding #910
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@@ -54,6 +54,11 @@ jobs: | |
| } | ||
| ports: | ||
| - 5672:5672 | ||
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| mqtt: | ||
| image: eclipse-mosquitto:1.6 | ||
| ports: | ||
| - 1883:1883 | ||
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| steps: | ||
|
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|
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@@ -35,3 +35,4 @@ test/benchmark/e2e/http/results/ | |
| tmp/ | ||
| test/coverage.tmp | ||
|
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| vendor/ | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| module github.com/cloudevents/sdk-go/protocol/mqtt_paho/v2 | ||
|
|
||
| go 1.17 | ||
|
|
||
| replace github.com/cloudevents/sdk-go/v2 => ../../../v2 | ||
|
|
||
| require ( | ||
| github.com/cloudevents/sdk-go/v2 v2.5.0 | ||
| github.com/eclipse/paho.golang v0.11.0 | ||
| github.com/stretchr/testify v1.8.0 | ||
| ) | ||
|
|
||
| require ( | ||
| github.com/davecgh/go-spew v1.1.1 // indirect | ||
| github.com/google/go-cmp v0.5.5 // indirect | ||
| github.com/json-iterator/go v1.1.10 // indirect | ||
| github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect | ||
| github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 // indirect | ||
| github.com/pmezard/go-difflib v1.0.0 // indirect | ||
| go.uber.org/atomic v1.4.0 // indirect | ||
| go.uber.org/multierr v1.1.0 // indirect | ||
| go.uber.org/zap v1.10.0 // indirect | ||
| golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect | ||
| gopkg.in/yaml.v3 v3.0.1 // indirect | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= | ||
| github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
| github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= | ||
| github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
| github.com/eclipse/paho.golang v0.11.0 h1:6Avu5dkkCfcB61/y1vx+XrPQ0oAl4TPYtY0uw3HbQdM= | ||
| github.com/eclipse/paho.golang v0.11.0/go.mod h1:rhrV37IEwauUyx8FHrvmXOKo+QRKng5ncoN1vJiJMcs= | ||
| github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= | ||
| github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU= | ||
| github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= | ||
| github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= | ||
| github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= | ||
| github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE= | ||
| github.com/json-iterator/go v1.1.10 h1:Kz6Cvnvv2wGdaG/V8yMvfkmNiXq9Ya2KUv4rouJJr68= | ||
| github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= | ||
| github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= | ||
| github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= | ||
| github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= | ||
| github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= | ||
| github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc= | ||
| github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= | ||
| github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg= | ||
| github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= | ||
| github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs= | ||
| github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= | ||
| github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= | ||
| github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= | ||
| github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= | ||
| github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | ||
| github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= | ||
| github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= | ||
| github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= | ||
| github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= | ||
| github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= | ||
| github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk= | ||
| github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= | ||
| github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc= | ||
| go.uber.org/atomic v1.4.0 h1:cxzIVoETapQEqDhQu3QfnvXAV4AlzcvUCxkVUFw3+EU= | ||
| go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= | ||
| go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI= | ||
| go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0= | ||
| go.uber.org/zap v1.10.0 h1:ORx85nbTijNz8ljznvCMR1ZBIPKFn3jQrag10X2AsuM= | ||
| go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q= | ||
| golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= | ||
| golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= | ||
| golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ= | ||
| golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= | ||
| golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= | ||
| golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= | ||
| golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= | ||
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||
| gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU= | ||
| gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||
| gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= | ||
| gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= | ||
| gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| package mqtt_paho | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "strings" | ||
|
|
||
| "github.com/cloudevents/sdk-go/v2/binding" | ||
| "github.com/cloudevents/sdk-go/v2/binding/format" | ||
| "github.com/cloudevents/sdk-go/v2/binding/spec" | ||
| "github.com/eclipse/paho.golang/paho" | ||
| ) | ||
|
|
||
| const ( | ||
| prefix = "ce-" | ||
| contentType = "Content-Type" | ||
| ) | ||
|
|
||
| var specs = spec.WithPrefix(prefix) | ||
|
|
||
| // Message represents a MQTT message. | ||
| // This message *can* be read several times safely | ||
| type Message struct { | ||
| internal *paho.Publish | ||
| version spec.Version | ||
| format format.Format | ||
| } | ||
|
|
||
| // Check if Message implements binding.Message | ||
| var ( | ||
| _ binding.Message = (*Message)(nil) | ||
| _ binding.MessageMetadataReader = (*Message)(nil) | ||
| ) | ||
|
|
||
| func NewMessage(msg *paho.Publish) *Message { | ||
| var f format.Format | ||
| var v spec.Version | ||
| if msg.Properties != nil { | ||
| // Use properties.User["Content-type"] to determine if message is structured | ||
| if s := msg.Properties.User.Get(contentType); format.IsFormat(s) { | ||
| f = format.Lookup(s) | ||
| } else if s := msg.Properties.User.Get(specs.PrefixedSpecVersionName()); s != "" { | ||
| v = specs.Version(s) | ||
| } | ||
| } | ||
| return &Message{ | ||
| internal: msg, | ||
| version: v, | ||
| format: f, | ||
| } | ||
| } | ||
|
|
||
| func (m *Message) ReadEncoding() binding.Encoding { | ||
| if m.version != nil { | ||
| return binding.EncodingBinary | ||
| } | ||
| if m.format != nil { | ||
| return binding.EncodingStructured | ||
| } | ||
| return binding.EncodingUnknown | ||
| } | ||
|
|
||
| func (m *Message) ReadStructured(ctx context.Context, encoder binding.StructuredWriter) error { | ||
| if m.version != nil { | ||
| return binding.ErrNotStructured | ||
| } | ||
| if m.format == nil { | ||
| return binding.ErrNotStructured | ||
| } | ||
| return encoder.SetStructuredEvent(ctx, m.format, bytes.NewReader(m.internal.Payload)) | ||
| } | ||
|
|
||
| func (m *Message) ReadBinary(ctx context.Context, encoder binding.BinaryWriter) (err error) { | ||
| if m.format != nil { | ||
| return binding.ErrNotBinary | ||
| } | ||
|
|
||
| for _, userProperty := range m.internal.Properties.User { | ||
| if strings.HasPrefix(userProperty.Key, prefix) { | ||
| attr := m.version.Attribute(userProperty.Key) | ||
| if attr != nil { | ||
| err = encoder.SetAttribute(attr, userProperty.Value) | ||
| } else { | ||
| err = encoder.SetExtension(strings.TrimPrefix(userProperty.Key, prefix), userProperty.Value) | ||
| } | ||
| } else if userProperty.Key == contentType { | ||
| err = encoder.SetAttribute(m.version.AttributeFromKind(spec.DataContentType), string(userProperty.Value)) | ||
| } | ||
| if err != nil { | ||
| return | ||
| } | ||
| } | ||
|
|
||
| if m.internal.Payload != nil { | ||
| return encoder.SetData(bytes.NewBuffer(m.internal.Payload)) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (m *Message) Finish(error) error { | ||
| return nil | ||
| } | ||
|
|
||
| func (m *Message) GetAttribute(k spec.Kind) (spec.Attribute, interface{}) { | ||
| attr := m.version.AttributeFromKind(k) | ||
| if attr != nil { | ||
| return attr, m.internal.Properties.User.Get(prefix + attr.Name()) | ||
| } | ||
| return nil, nil | ||
| } | ||
|
|
||
| func (m *Message) GetExtension(name string) interface{} { | ||
| return m.internal.Properties.User.Get(prefix + name) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package mqtt_paho | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
||
| "github.com/cloudevents/sdk-go/v2/binding" | ||
| "github.com/cloudevents/sdk-go/v2/event" | ||
| "github.com/eclipse/paho.golang/paho" | ||
| ) | ||
|
|
||
| func TestReadStructured(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| msg *paho.Publish | ||
| wantErr error | ||
| }{ | ||
| { | ||
| name: "nil format", | ||
| msg: &paho.Publish{ | ||
| Payload: []byte(""), | ||
| }, | ||
| wantErr: binding.ErrNotStructured, | ||
| }, | ||
| { | ||
| name: "json format", | ||
| msg: &paho.Publish{ | ||
| Payload: []byte(""), | ||
| Properties: &paho.PublishProperties{ | ||
| User: []paho.UserProperty{{Key: contentType, Value: event.ApplicationCloudEventsJSON}}, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| for _, tc := range tests { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| msg := NewMessage(tc.msg) | ||
| err := msg.ReadStructured(context.Background(), (*pubMessageWriter)(tc.msg)) | ||
| if err != tc.wantErr { | ||
| t.Errorf("Error unexpected. got: %v, want: %v", err, tc.wantErr) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestReadBinary(t *testing.T) { | ||
| msg := &paho.Publish{ | ||
| Payload: []byte("{hello:world}"), | ||
| Properties: &paho.PublishProperties{ | ||
| User: []paho.UserProperty{ | ||
| {Key: "ce-specversion", Value: "1.0"}, | ||
| {Key: "ce-type", Value: "binary.test"}, | ||
| {Key: "ce-source", Value: "test-source"}, | ||
| {Key: "ce-id", Value: "ABC-123"}, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| message := NewMessage(msg) | ||
| err := message.ReadBinary(context.Background(), (*pubMessageWriter)(msg)) | ||
| if err != nil { | ||
| t.Errorf("Error unexpected. got: %v", err) | ||
| } | ||
| } |
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can you add the copyright?
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Thanks @lionelvillard ! Done~