53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
package reader
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import (
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"context"
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"errors"
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"github.com/iMDT/bbb-graphql-middleware/internal/common"
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log "github.com/sirupsen/logrus"
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"nhooyr.io/websocket"
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"nhooyr.io/websocket/wsjson"
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"sync"
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"time"
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)
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func BrowserConnectionReader(browserConnectionId string, ctx context.Context, ctxCancel context.CancelFunc, browserWsConn *websocket.Conn, fromBrowserToHasuraChannel *common.SafeChannel, fromBrowserToHasuraConnectionEstablishingChannel *common.SafeChannel, waitGroups []*sync.WaitGroup) {
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log := log.WithField("_routine", "BrowserConnectionReader").WithField("browserConnectionId", browserConnectionId)
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defer log.Debugf("finished")
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log.Debugf("starting")
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defer func() {
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fromBrowserToHasuraChannel.Close()
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fromBrowserToHasuraConnectionEstablishingChannel.Close()
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}()
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defer func() {
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// Let other routines know this is about to die
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for _, wg := range waitGroups {
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wg.Done()
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}
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// Wait a little bit before closing the channels
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time.Sleep(100 * time.Millisecond)
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}()
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defer ctxCancel()
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for {
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var v interface{}
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err := wsjson.Read(ctx, browserWsConn, &v)
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if err != nil {
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if errors.Is(err, context.Canceled) {
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log.Debugf("Closing Browser ws connection as Context was cancelled!")
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} else {
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log.Debugf("Hasura is disconnected, skiping reading of ws message: %v", err)
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}
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return
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}
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log.Tracef("received from browser: %v", v)
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fromBrowserToHasuraChannel.Send(v)
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fromBrowserToHasuraConnectionEstablishingChannel.Send(v)
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}
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}
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