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raw_ingress_client.go
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/
raw_ingress_client.go
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package loggregator
import (
"context"
"crypto/tls"
"code.cloudfoundry.org/go-loggregator/rpc/loggregator_v2"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
)
// RawIngressClient is an emitter of bare envelopes to loggregator.
// Only use this if you do not want the tagging and batching features of
// ingress client.
type RawIngressClient struct {
conn loggregator_v2.IngressClient
sender loggregator_v2.Ingress_BatchSenderClient
}
// NewRawIngressClient creates a new RawIngressClient.
func NewRawIngressClient(addr string, tlsConfig *tls.Config) (*RawIngressClient, error) {
conn, err := grpc.Dial(
addr,
grpc.WithTransportCredentials(credentials.NewTLS(tlsConfig)),
)
if err != nil {
return nil, err
}
return &RawIngressClient{
conn: loggregator_v2.NewIngressClient(conn),
}, nil
}
// Emit will send the batch of envelopes down the current stream to the
// loggregator system. It will not alter any of the envelopes in any way.
func (c *RawIngressClient) Emit(e []*loggregator_v2.Envelope) error {
if c.sender == nil {
var err error
c.sender, err = c.conn.BatchSender(context.TODO())
if err != nil {
return err
}
}
err := c.sender.Send(&loggregator_v2.EnvelopeBatch{Batch: e})
if err != nil {
c.sender = nil
return err
}
return nil
}