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api.go
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api.go
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package common
import (
"fmt"
"github.com/na4ma4/rsca/api"
"go.uber.org/zap"
)
type streamServer interface {
Send(*api.Message) error
}
// ProcessPingMessage is a common handler for processing PingMessage messages.
func ProcessPingMessage(
logger *zap.Logger,
stream streamServer,
hostName string,
in *api.Message,
msg *api.Message_PingMessage,
) error {
logger.Debug("Received PingMessage")
if err := stream.Send(&api.Message{
Envelope: &api.Envelope{
Sender: &api.Member{
Name: hostName,
},
Recipient: api.RecipientBySender(in.GetEnvelope().GetSender()),
},
Message: &api.Message_PongMessage{
PongMessage: &api.PongMessage{
Id: msg.PingMessage.GetId(),
StreamId: msg.PingMessage.GetStreamId(),
Ts: msg.PingMessage.GetTs(),
},
},
}); err != nil {
return fmt.Errorf("unable to send ping message: %w", err)
}
return nil
}
// GeneratePingMessage is a common handler for generating PingMessage messages.
func GeneratePingMessage(
logger *zap.Logger,
hostName string,
in *api.Message,
msg *api.Message_PingMessage,
) *api.Message {
logger.Debug("Received PingMessage")
return &api.Message{
Envelope: &api.Envelope{
Sender: &api.Member{
Name: hostName,
},
Recipient: api.RecipientBySender(in.GetEnvelope().GetSender()),
},
Message: &api.Message_PongMessage{
PongMessage: &api.PongMessage{
Id: msg.PingMessage.GetId(),
StreamId: msg.PingMessage.GetStreamId(),
Ts: msg.PingMessage.GetTs(),
},
},
}
}