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|
package parallel_support
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"time"
"github.com/onsi/ginkgo/v2/types"
)
type httpClient struct {
serverHost string
}
func newHttpClient(serverHost string) *httpClient {
return &httpClient{
serverHost: serverHost,
}
}
func (client *httpClient) Connect() bool {
resp, err := http.Get(client.serverHost + "/up")
if err != nil {
return false
}
resp.Body.Close()
return resp.StatusCode == http.StatusOK
}
func (client *httpClient) Close() error {
return nil
}
func (client *httpClient) post(path string, data interface{}) error {
var body io.Reader
if data != nil {
encoded, err := json.Marshal(data)
if err != nil {
return err
}
body = bytes.NewBuffer(encoded)
}
resp, err := http.Post(client.serverHost+path, "application/json", body)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("received unexpected status code %d", resp.StatusCode)
}
return nil
}
func (client *httpClient) poll(path string, data interface{}) error {
for {
resp, err := http.Get(client.serverHost + path)
if err != nil {
return err
}
if resp.StatusCode == http.StatusTooEarly {
resp.Body.Close()
time.Sleep(POLLING_INTERVAL)
continue
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusGone {
return ErrorGone
}
if resp.StatusCode == http.StatusFailedDependency {
return ErrorFailed
}
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("received unexpected status code %d", resp.StatusCode)
}
if data != nil {
return json.NewDecoder(resp.Body).Decode(data)
}
return nil
}
}
func (client *httpClient) PostSuiteWillBegin(report types.Report) error {
return client.post("/suite-will-begin", report)
}
func (client *httpClient) PostDidRun(report types.SpecReport) error {
return client.post("/did-run", report)
}
func (client *httpClient) PostSuiteDidEnd(report types.Report) error {
return client.post("/suite-did-end", report)
}
func (client *httpClient) PostEmitProgressReport(report types.ProgressReport) error {
return client.post("/progress-report", report)
}
func (client *httpClient) PostReportBeforeSuiteCompleted(state types.SpecState) error {
return client.post("/report-before-suite-completed", state)
}
func (client *httpClient) BlockUntilReportBeforeSuiteCompleted() (types.SpecState, error) {
var state types.SpecState
err := client.poll("/report-before-suite-state", &state)
if err == ErrorGone {
return types.SpecStateFailed, nil
}
return state, err
}
func (client *httpClient) PostSynchronizedBeforeSuiteCompleted(state types.SpecState, data []byte) error {
beforeSuiteState := BeforeSuiteState{
State: state,
Data: data,
}
return client.post("/before-suite-completed", beforeSuiteState)
}
func (client *httpClient) BlockUntilSynchronizedBeforeSuiteData() (types.SpecState, []byte, error) {
var beforeSuiteState BeforeSuiteState
err := client.poll("/before-suite-state", &beforeSuiteState)
if err == ErrorGone {
return types.SpecStateInvalid, nil, types.GinkgoErrors.SynchronizedBeforeSuiteDisappearedOnProc1()
}
return beforeSuiteState.State, beforeSuiteState.Data, err
}
func (client *httpClient) BlockUntilNonprimaryProcsHaveFinished() error {
return client.poll("/have-nonprimary-procs-finished", nil)
}
func (client *httpClient) BlockUntilAggregatedNonprimaryProcsReport() (types.Report, error) {
var report types.Report
err := client.poll("/aggregated-nonprimary-procs-report", &report)
if err == ErrorGone {
return types.Report{}, types.GinkgoErrors.AggregatedReportUnavailableDueToNodeDisappearing()
}
return report, err
}
func (client *httpClient) FetchNextCounter() (int, error) {
var counter ParallelIndexCounter
err := client.poll("/counter", &counter)
return counter.Index, err
}
func (client *httpClient) PostAbort() error {
return client.post("/abort", nil)
}
func (client *httpClient) ShouldAbort() bool {
err := client.poll("/abort", nil)
if err == ErrorGone {
return true
}
return false
}
func (client *httpClient) Write(p []byte) (int, error) {
resp, err := http.Post(client.serverHost+"/emit-output", "text/plain;charset=UTF-8 ", bytes.NewReader(p))
resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return 0, fmt.Errorf("failed to emit output")
}
return len(p), err
}
|
