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Merge pull request #2070 from horoc/add-eventmesh-message-protocol
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137 changes: 137 additions & 0 deletions
137
eventmesh-sdk-go/http/producer/eventmesh_message_producer.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one or more | ||
| // contributor license agreements. See the NOTICE file distributed with | ||
| // this work for additional information regarding copyright ownership. | ||
| // The ASF licenses this file to You 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 producer | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| gcommon "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/common" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/common/protocol" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/common/protocol/http/common" | ||
| protocol_message "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/common/protocol/http/message" | ||
| gutils "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/common/utils" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/http" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/http/conf" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/http/constants" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/http/model" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/http/utils" | ||
| nethttp "net/http" | ||
| "strconv" | ||
| "time" | ||
| ) | ||
|
|
||
| type EventMeshMessageProducer struct { | ||
| *http.AbstractHttpClient | ||
| } | ||
|
|
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| func NewEventMeshMessageProducer(eventMeshHttpClientConfig conf.EventMeshHttpClientConfig) *EventMeshMessageProducer { | ||
| c := &EventMeshMessageProducer{AbstractHttpClient: http.NewAbstractHttpClient(eventMeshHttpClientConfig)} | ||
| return c | ||
| } | ||
|
|
||
| func (c *EventMeshMessageProducer) Publish(message *protocol.EventMeshMessage) error { | ||
| err := c.validateEventMeshMessage(message) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| requestParam := c.buildCommonPostParam(message) | ||
| requestParam.AddHeader(common.ProtocolKey.REQUEST_CODE, strconv.Itoa(common.DefaultRequestCode.MSG_SEND_ASYNC.RequestCode)) | ||
|
|
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| target := c.SelectEventMesh() | ||
| resp := utils.HttpPost(c.HttpClient, target, requestParam) | ||
| var ret http.EventMeshRetObj | ||
| gutils.UnMarshalJsonString(resp, &ret) | ||
| if ret.RetCode != common.DefaultEventMeshRetCode.SUCCESS.RetCode { | ||
| return fmt.Errorf("publish failed, http request error code: %d", ret.RetCode) | ||
| } | ||
| return nil | ||
| } | ||
|
|
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| func (c *EventMeshMessageProducer) Request(message *protocol.EventMeshMessage, timeout time.Duration) (*protocol.EventMeshMessage, error) { | ||
| err := c.validateEventMeshMessage(message) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| requestParam := c.buildCommonPostParam(message) | ||
| requestParam.AddHeader(common.ProtocolKey.REQUEST_CODE, strconv.Itoa(common.DefaultRequestCode.MSG_SEND_SYNC.RequestCode)) | ||
| requestParam.SetTimeout(timeout.Milliseconds()) | ||
| target := c.SelectEventMesh() | ||
| resp := utils.HttpPost(c.HttpClient, target, requestParam) | ||
| var ret http.EventMeshRetObj | ||
| gutils.UnMarshalJsonString(resp, &ret) | ||
| if ret.RetCode != common.DefaultEventMeshRetCode.SUCCESS.RetCode { | ||
| return nil, fmt.Errorf("request failed, http request code: %d", ret.RetCode) | ||
| } | ||
| retMessage, err := c.transferMessage(&ret) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return retMessage, nil | ||
| } | ||
|
|
||
| func (c *EventMeshMessageProducer) transferMessage(retObj *http.EventMeshRetObj) (message *protocol.EventMeshMessage, err error) { | ||
| defer func() { | ||
| if r := recover(); r != nil { | ||
| err = errors.New("fail to transfer from EventMeshRetObj to EventMeshMessage") | ||
| } | ||
| }() | ||
| var replyMessage http.ReplyMessage | ||
| gutils.UnMarshalJsonString(retObj.RetMsg, &replyMessage) | ||
| return &protocol.EventMeshMessage{ | ||
| Topic: replyMessage.Topic, | ||
| Content: replyMessage.Body, | ||
| Prop: replyMessage.Properties, | ||
| }, nil | ||
| } | ||
|
|
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| func (c *EventMeshMessageProducer) buildCommonPostParam(message *protocol.EventMeshMessage) *model.RequestParam { | ||
| requestParam := model.NewRequestParam(nethttp.MethodPost) | ||
| requestParam.AddHeader(common.ProtocolKey.ClientInstanceKey.ENV, c.EventMeshHttpClientConfig.Env()) | ||
| requestParam.AddHeader(common.ProtocolKey.ClientInstanceKey.IDC, c.EventMeshHttpClientConfig.Idc()) | ||
| requestParam.AddHeader(common.ProtocolKey.ClientInstanceKey.IP, c.EventMeshHttpClientConfig.Ip()) | ||
| requestParam.AddHeader(common.ProtocolKey.ClientInstanceKey.PID, c.EventMeshHttpClientConfig.Pid()) | ||
| requestParam.AddHeader(common.ProtocolKey.ClientInstanceKey.SYS, c.EventMeshHttpClientConfig.Sys()) | ||
| requestParam.AddHeader(common.ProtocolKey.ClientInstanceKey.USERNAME, c.EventMeshHttpClientConfig.UserName()) | ||
| requestParam.AddHeader(common.ProtocolKey.ClientInstanceKey.PASSWORD, c.EventMeshHttpClientConfig.Password()) | ||
| requestParam.AddHeader(common.ProtocolKey.VERSION, common.DefaultProtocolVersion.V1.Version()) | ||
| requestParam.AddHeader(common.ProtocolKey.PROTOCOL_TYPE, constants.EventMeshMessageProtocol) | ||
| requestParam.AddHeader(common.ProtocolKey.PROTOCOL_DESC, constants.ProtocolDesc) | ||
| requestParam.AddHeader(common.ProtocolKey.PROTOCOL_VERSION, common.DefaultProtocolVersion.V1.Version()) | ||
| requestParam.AddHeader(common.ProtocolKey.LANGUAGE, gcommon.Constants.LANGUAGE_GO) | ||
|
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| requestParam.AddBody(protocol_message.SendMessageRequestBodyKey.PRODUCERGROUP, c.EventMeshHttpClientConfig.ProducerGroup()) | ||
| requestParam.AddBody(protocol_message.SendMessageRequestBodyKey.TOPIC, message.Topic) | ||
| requestParam.AddBody(protocol_message.SendMessageRequestBodyKey.CONTENT, message.Content) | ||
| requestParam.AddBody(protocol_message.SendMessageRequestBodyKey.TTL, message.Prop[constants.EventMeshMessageConstTTL]) | ||
| requestParam.AddBody(protocol_message.SendMessageRequestBodyKey.BIZSEQNO, message.BizSeqNo) | ||
| requestParam.AddBody(protocol_message.SendMessageRequestBodyKey.UNIQUEID, message.UniqueId) | ||
| return requestParam | ||
| } | ||
|
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| func (c *EventMeshMessageProducer) validateEventMeshMessage(message *protocol.EventMeshMessage) error { | ||
| if message == nil { | ||
| return errors.New("EventMeshMessage can not be nil") | ||
| } | ||
| if len(message.Topic) == 0 { | ||
| return errors.New("EventMeshMessage topic can not be empty") | ||
| } | ||
| if len(message.Content) == 0 { | ||
| return errors.New("EventMeshMessage content can not be empty") | ||
| } | ||
| return nil | ||
| } |
82 changes: 82 additions & 0 deletions
82
eventmesh-sdk-go/http/producer/eventmesh_message_producer_test.go
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|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one or more | ||
| // contributor license agreements. See the NOTICE file distributed with | ||
| // this work for additional information regarding copyright ownership. | ||
| // The ASF licenses this file to You 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 producer | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/common/protocol" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/common/utils" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/http/conf" | ||
| "github.com/stretchr/testify/assert" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
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| func TestEventMeshHttpProducer_PublishEventMeshMessage(t *testing.T) { | ||
| f := func(w http.ResponseWriter, r *http.Request) { | ||
| w.WriteHeader(http.StatusOK) | ||
| w.Write([]byte(`{"retCode":0}`)) | ||
| } | ||
| server := httptest.NewServer(http.HandlerFunc(f)) | ||
| defer server.Close() | ||
|
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| eventMeshClientConfig := conf.DefaultEventMeshHttpClientConfig | ||
| sp := strings.Split(server.URL, ":") | ||
| eventMeshClientConfig.SetLiteEventMeshAddr(fmt.Sprintf("127.0.0.1:%s", sp[len(sp)-1])) | ||
|
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| message := &protocol.EventMeshMessage{ | ||
| BizSeqNo: "test-biz-no", | ||
| UniqueId: "test-unique-id", | ||
| Topic: "test-topic", | ||
| Content: "test-content", | ||
| Prop: map[string]string{"hello": "EventMesh"}, | ||
| } | ||
| // Publish event | ||
| httpProducer := NewEventMeshHttpProducer(eventMeshClientConfig) | ||
| err := httpProducer.PublishEventMeshMessage(message) | ||
| assert.Nil(t, err) | ||
| } | ||
|
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| func TestEventMeshHttpProducer_RequestEventMeshMessage(t *testing.T) { | ||
| f := func(w http.ResponseWriter, r *http.Request) { | ||
| w.WriteHeader(http.StatusOK) | ||
| w.Write([]byte(`{"retCode":0, "retMsg":"{\"topic\":\"test-topic\",\"body\":\"{\\\"data\\\":1}\",\"properties\":null}"}`)) | ||
| } | ||
|
|
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| server := httptest.NewServer(http.HandlerFunc(f)) | ||
| defer server.Close() | ||
|
|
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| eventMeshClientConfig := conf.DefaultEventMeshHttpClientConfig | ||
| sp := strings.Split(server.URL, ":") | ||
| eventMeshClientConfig.SetLiteEventMeshAddr(fmt.Sprintf("127.0.0.1:%s", sp[len(sp)-1])) | ||
|
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| message := &protocol.EventMeshMessage{ | ||
| BizSeqNo: "test-biz-no", | ||
| UniqueId: "test-unique-id", | ||
| Topic: "test-topic", | ||
| Content: "test-content", | ||
| Prop: map[string]string{"hello": "EventMesh"}, | ||
| } | ||
| httpProducer := NewEventMeshHttpProducer(eventMeshClientConfig) | ||
| ret, err := httpProducer.RequestEventMeshMessage(message, time.Second) | ||
| assert.Nil(t, err) | ||
| retData := make(map[string]interface{}) | ||
| utils.UnMarshalJsonString(ret.Content, &retData) | ||
| assert.Equal(t, float64(1), retData["data"]) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one or more | ||
| // contributor license agreements. See the NOTICE file distributed with | ||
| // this work for additional information regarding copyright ownership. | ||
| // The ASF licenses this file to You 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 producer | ||
|
|
||
| import ( | ||
| "errors" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/common/protocol" | ||
| "github.com/apache/incubator-eventmesh/eventmesh-sdk-go/http/conf" | ||
| cloudevents "github.com/cloudevents/sdk-go/v2" | ||
| "time" | ||
| ) | ||
|
|
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| type EventMeshHttpProducer struct { | ||
| cloudEventProducer *CloudEventProducer | ||
| eventMeshMessageProducer *EventMeshMessageProducer | ||
| } | ||
|
|
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| func NewEventMeshHttpProducer(eventMeshHttpClientConfig conf.EventMeshHttpClientConfig) *EventMeshHttpProducer { | ||
| return &EventMeshHttpProducer{ | ||
| cloudEventProducer: NewCloudEventProducer(eventMeshHttpClientConfig), | ||
| eventMeshMessageProducer: NewEventMeshMessageProducer(eventMeshHttpClientConfig), | ||
| } | ||
| } | ||
|
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| func (e *EventMeshHttpProducer) PublishCloudEvent(event *cloudevents.Event) error { | ||
| if event == nil { | ||
| return errors.New("publish CloudEvent message failed, message is nil") | ||
| } | ||
| return e.cloudEventProducer.Publish(event) | ||
| } | ||
|
|
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| func (e *EventMeshHttpProducer) RequestCloudEvent(event *cloudevents.Event, timeout time.Duration) (*cloudevents.Event, error) { | ||
| if event == nil { | ||
| return nil, errors.New("request CloudEvent message failed, message is nil") | ||
| } | ||
| return e.cloudEventProducer.Request(event, timeout) | ||
| } | ||
|
|
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| func (e *EventMeshHttpProducer) PublishEventMeshMessage(message *protocol.EventMeshMessage) error { | ||
| if message == nil { | ||
| return errors.New("publish EventMesh message failed, message is nil") | ||
| } | ||
| return e.eventMeshMessageProducer.Publish(message) | ||
| } | ||
|
|
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| func (e *EventMeshHttpProducer) RequestEventMeshMessage(message *protocol.EventMeshMessage, timeout time.Duration) (*protocol.EventMeshMessage, error) { | ||
| if message == nil { | ||
| return nil, errors.New("request EventMesh message failed, message is nil") | ||
| } | ||
| return e.eventMeshMessageProducer.Request(message, timeout) | ||
| } |
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