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io_service.go
47 lines (45 loc) · 1.12 KB
/
io_service.go
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package abb
import (
"encoding/xml"
"fmt"
"io"
"net/http"
)
func (c *Client) GetIOSignals() (*IOSignals, error) {
var signals IOSignalsHTML
var signals_struct IOSignals
c.Client = c.DigestAuthenticate()
req, err := http.NewRequest("GET", "http://"+c.Host+"/rw/iosystem/signals", nil)
if err != nil {
return nil, err
}
resp, err := c.Client.Do(req)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("HTTP Status Code: %d", resp.StatusCode)
}
signals_raw, err := io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
err = xml.Unmarshal(signals_raw, &signals)
if err != nil {
return nil, err
}
defer resp.Body.Close()
for _, signal := range signals.Body.Div.UL.LIs {
for _, span := range signal.Spans {
switch span.Class {
case "name":
signals_struct.SignalName = append(signals_struct.SignalName, span.Content)
case "type":
signals_struct.SignalType = append(signals_struct.SignalType, span.Content)
case "lvalue":
signals_struct.SignalValue = append(signals_struct.SignalValue, span.Content)
}
}
}
return &signals_struct, nil
}