forked from eclipse-iofog/iofog-go-sdk
/
httpclient.go
114 lines (105 loc) · 3.71 KB
/
httpclient.go
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/*
*******************************************************************************
* Copyright (c) 2018 Edgeworx, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************
*/
package microservices
import (
"bytes"
"encoding/json"
"fmt"
)
type ioFogHttpClient struct {
url_base_rest string
url_get_config string
url_get_next_messages string
url_get_publishers_messages string
url_post_message string
requestBodyId []byte
}
func newIoFogHttpClient(id string, ssl bool, host string, port int) *ioFogHttpClient {
client := ioFogHttpClient{}
protocol_rest := HTTP
if ssl {
protocol_rest = HTTPS
}
client.url_base_rest = fmt.Sprintf("%s://%s:%d", protocol_rest, host, port)
client.url_get_config = fmt.Sprint(client.url_base_rest, URL_GET_CONFIG)
client.url_get_next_messages = fmt.Sprint(client.url_base_rest, URL_GET_NEXT_MESSAGES)
client.url_get_publishers_messages = fmt.Sprint(client.url_base_rest, URL_GET_PUBLISHERS_MESSAGES)
client.url_post_message = fmt.Sprint(client.url_base_rest, URL_POST_MESSAGE)
client.requestBodyId, _ = json.Marshal(map[string]interface{}{
ID: id,
})
return &client
}
func (client *ioFogHttpClient) getConfig() (map[string]interface{}, error) {
resp, err := makePostRequest(client.url_get_config, APPLICATION_JSON, bytes.NewBuffer(client.requestBodyId))
if err != nil {
return nil, err
}
configResponse := new(getConfigResponse)
config := make(map[string]interface{})
if err := json.Unmarshal(resp, configResponse); err != nil {
return nil, err
}
if err := json.Unmarshal([]byte(configResponse.Config), &config); err != nil {
return nil, err
}
return config, nil
}
func (client *ioFogHttpClient) getConfigIntoStruct(config interface{}) error {
resp, err := makePostRequest(client.url_get_config, APPLICATION_JSON, bytes.NewBuffer(client.requestBodyId))
if err != nil {
return err
}
configResponse := new(getConfigResponse)
if err := json.Unmarshal(resp, configResponse); err != nil {
return err
}
if err := json.Unmarshal([]byte(configResponse.Config), config); err != nil {
return err
}
return nil
}
func (client *ioFogHttpClient) getNextMessages() ([]IoMessage, error) {
resp, err := makePostRequest(client.url_get_next_messages, APPLICATION_JSON, bytes.NewBuffer(client.requestBodyId))
if err != nil {
return nil, err
}
nextMessagesResponse := new(getNextMessagesResponse)
if err := json.Unmarshal(resp, nextMessagesResponse); err != nil {
return nil, err
}
return nextMessagesResponse.Messages, nil
}
func (client *ioFogHttpClient) postMessage(msg *IoMessage) (*PostMessageResponse, error) {
requestBytes, _ := json.Marshal(msg)
resp, err := makePostRequest(client.url_post_message, APPLICATION_JSON, bytes.NewBuffer(requestBytes))
if err != nil {
return nil, err
}
postMessageResponse := new(PostMessageResponse)
if err := json.Unmarshal(resp, postMessageResponse); err != nil {
return nil, err
}
return postMessageResponse, nil
}
func (client *ioFogHttpClient) getMessagesFromPublishersWithinTimeFrame(query *MessagesQueryParameters) (*TimeFrameMessages, error) {
requestBytes, _ := json.Marshal(query)
resp, err := makePostRequest(client.url_get_publishers_messages, APPLICATION_JSON, bytes.NewBuffer(requestBytes))
if err != nil {
return nil, err
}
nextMessagesResponse := new(getNextMessagesResponse)
if err := json.Unmarshal(resp, nextMessagesResponse); err != nil {
return nil, err
}
return (*TimeFrameMessages)(nextMessagesResponse), nil
}