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internendpoint.go
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internendpoint.go
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package main
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"github.com/leoleovich/3djuggler/gcodefeeder"
"github.com/leoleovich/3djuggler/juggler"
"net/http"
"net/url"
"time"
log "github.com/sirupsen/logrus"
)
const maxHTTPRetries = 3
const requestTimeout = 60 * time.Second
const retryInterval = 5 * time.Second
func requestWithRetry(request *http.Request) (resp *http.Response, err error) {
client := &http.Client{Timeout: requestTimeout}
for i := 0; i < maxHTTPRetries; i++ {
resp, err = client.Do(request)
if err == nil {
return resp, nil
}
time.Sleep(retryInterval)
}
return nil, err
}
func (ie *InternEnpoint) reportJobStatusChange(job *juggler.Job) error {
// Don't report default daemon status
// TODO: think about separation of daemon and job statuses
if job.Status == juggler.StatusWaitingJob {
return nil
}
statusWithProgress := string(job.Status)
// Detailed message if needed
if job.Status == juggler.StatusPrinting && job.FeederStatus == gcodefeeder.Printing {
sofar := job.Progress
statusWithProgress = fmt.Sprintf("Printing... (%0.1f%%)", sofar)
} else if job.Status == juggler.StatusPaused {
switch job.FeederStatus {
case gcodefeeder.MMUBusy:
statusWithProgress = fmt.Sprintf("Printing paused: MMU paused printing")
case gcodefeeder.FSensorBusy:
statusWithProgress = fmt.Sprintf("Printing paused: Filament sensor paused printing")
case gcodefeeder.ManuallyPaused:
statusWithProgress = fmt.Sprintf("Printing paused manually")
}
}
log.Infof("Updating intern status to '%s'", statusWithProgress)
data := url.Values{}
data.Set("app", ie.Api_app)
data.Add("token", ie.Api_key)
data.Add("action", "update")
data.Add("status", statusWithProgress)
data.Add("id", fmt.Sprintf("%d", job.Id))
data.Add("printer_name", ie.PrinterName)
data.Add("office_name", ie.OfficeName)
req, err := http.NewRequest("POST", ie.Api_uri+"/job/", bytes.NewBufferString(data.Encode()))
if err != nil {
return err
}
resp, err := requestWithRetry(req)
if err != nil {
return err
}
resp.Body.Close()
return nil
}
func (ie *InternEnpoint) reschedule() error {
data := url.Values{}
data.Set("app", ie.Api_app)
data.Add("token", ie.Api_key)
data.Add("action", "reschedule")
data.Add("printer_name", ie.PrinterName)
data.Add("office_name", ie.OfficeName)
req, err := http.NewRequest("POST", ie.Api_uri+"/printer/", bytes.NewBufferString(data.Encode()))
if err != nil {
return err
}
resp, err := requestWithRetry(req)
if err != nil {
return err
}
resp.Body.Close()
return nil
}
func (ie *InternEnpoint) deleteJob(job *juggler.Job) error {
data := url.Values{}
data.Set("app", ie.Api_app)
data.Add("token", ie.Api_key)
data.Add("action", "delete")
data.Add("id", fmt.Sprintf("%d", job.Id))
data.Add("printer_name", ie.PrinterName)
data.Add("office_name", ie.OfficeName)
req, err := http.NewRequest("POST", ie.Api_uri+"/job/", bytes.NewBufferString(data.Encode()))
if err != nil {
return err
}
resp, err := requestWithRetry(req)
if err != nil {
return err
}
resp.Body.Close()
return nil
}
func (ie *InternEnpoint) nextJob() error {
return ie.getJob(0)
}
func (ie *InternEnpoint) getJob(id int) error {
data := url.Values{}
data.Set("app", ie.Api_app)
data.Add("token", ie.Api_key)
data.Add("action", "get")
data.Add("printer_name", ie.PrinterName)
data.Add("office_name", ie.OfficeName)
if id != 0 {
data.Add("id", fmt.Sprint(id))
}
req, err := http.NewRequest("POST", ie.Api_uri+"/job/", bytes.NewBufferString(data.Encode()))
if err != nil {
return err
}
resp, err := requestWithRetry(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return fmt.Errorf("bad response status from intern endpoint: %d", resp.StatusCode)
}
dec := json.NewDecoder(resp.Body)
var result struct {
Success bool
Content *juggler.Job
Error string
}
err = dec.Decode(&result)
if err != nil {
return err
}
if !result.Success {
return fmt.Errorf("job %v action 'get' unsuccessful: %v", id, result.Error)
}
ie.job = result.Content
if ie.job.Id == 0 {
return errors.New("Nothing to print")
}
return nil
}
func (ie *InternEnpoint) reportStat() error {
data := url.Values{}
data.Set("app", ie.Api_app)
data.Add("token", ie.Api_key)
data.Add("action", "heartbeat")
data.Add("printer_name", ie.PrinterName)
data.Add("office_name", ie.OfficeName)
req, err := http.NewRequest("POST", ie.Api_uri+"/printer/", bytes.NewBufferString(data.Encode()))
if err != nil {
return err
}
resp, err := requestWithRetry(req)
if err != nil {
return err
}
resp.Body.Close()
return nil
}