micro/transport/grpc/handler.go

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package grpc
import (
"runtime/debug"
"github.com/micro/go-micro/v2/errors"
log "github.com/micro/go-micro/v2/logger"
"github.com/micro/go-micro/v2/transport"
pb "github.com/micro/go-micro/v2/transport/grpc/proto"
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"google.golang.org/grpc/peer"
)
// microTransport satisfies the pb.TransportServer inteface
type microTransport struct {
addr string
fn func(transport.Socket)
}
func (m *microTransport) Stream(ts pb.Transport_StreamServer) (err error) {
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sock := &grpcTransportSocket{
stream: ts,
local: m.addr,
}
p, ok := peer.FromContext(ts.Context())
if ok {
sock.remote = p.Addr.String()
}
defer func() {
if r := recover(); r != nil {
log.Error(r, string(debug.Stack()))
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sock.Close()
err = errors.InternalServerError("go.micro.transport", "panic recovered: %v", r)
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}
}()
// execute socket func
m.fn(sock)
return err
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}