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/*
*
* Copyright 2018 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package service
import (
"time"
"github.com/golang/protobuf/ptypes"
durpb "github.com/golang/protobuf/ptypes/duration"
channelzpb "google.golang.org/grpc/channelz/grpc_channelz_v1"
"google.golang.org/grpc/internal/channelz"
"google.golang.org/protobuf/types/known/anypb"
)
func convertToPtypesDuration(sec int64, usec int64) *durpb.Duration {
return ptypes.DurationProto(time.Duration(sec*1e9 + usec*1e3))
}
func sockoptToProto(skopts *channelz.SocketOptionData) []*channelzpb.SocketOption {
var opts []*channelzpb.SocketOption
if skopts.Linger != nil {
additional, err := anypb.New(&channelzpb.SocketOptionLinger{
Active: skopts.Linger.Onoff != 0,
Duration: convertToPtypesDuration(int64(skopts.Linger.Linger), 0),
})
if err == nil {
opts = append(opts, &channelzpb.SocketOption{
Name: "SO_LINGER",
Additional: additional,
})
} else {
logger.Warningf("Failed to marshal socket options linger %+v: %v", skopts.Linger, err)
}
}
if skopts.RecvTimeout != nil {
additional, err := anypb.New(&channelzpb.SocketOptionTimeout{
Duration: convertToPtypesDuration(int64(skopts.RecvTimeout.Sec), int64(skopts.RecvTimeout.Usec)),
})
if err == nil {
opts = append(opts, &channelzpb.SocketOption{
Name: "SO_RCVTIMEO",
Additional: additional,
})
} else {
logger.Warningf("Failed to marshal socket options receive timeout %+v: %v", skopts.RecvTimeout, err)
}
}
if skopts.SendTimeout != nil {
additional, err := anypb.New(&channelzpb.SocketOptionTimeout{
Duration: convertToPtypesDuration(int64(skopts.SendTimeout.Sec), int64(skopts.SendTimeout.Usec)),
})
if err == nil {
opts = append(opts, &channelzpb.SocketOption{
Name: "SO_SNDTIMEO",
Additional: additional,
})
} else {
logger.Warningf("Failed to marshal socket options send timeout %+v: %v", skopts.SendTimeout, err)
}
}
if skopts.TCPInfo != nil {
additional, err := anypb.New(&channelzpb.SocketOptionTcpInfo{
TcpiState: uint32(skopts.TCPInfo.State),
TcpiCaState: uint32(skopts.TCPInfo.Ca_state),
TcpiRetransmits: uint32(skopts.TCPInfo.Retransmits),
TcpiProbes: uint32(skopts.TCPInfo.Probes),
TcpiBackoff: uint32(skopts.TCPInfo.Backoff),
TcpiOptions: uint32(skopts.TCPInfo.Options),
// https://golang.org/pkg/syscall/#TCPInfo
// TCPInfo struct does not contain info about TcpiSndWscale and TcpiRcvWscale.
TcpiRto: skopts.TCPInfo.Rto,
TcpiAto: skopts.TCPInfo.Ato,
TcpiSndMss: skopts.TCPInfo.Snd_mss,
TcpiRcvMss: skopts.TCPInfo.Rcv_mss,
TcpiUnacked: skopts.TCPInfo.Unacked,
TcpiSacked: skopts.TCPInfo.Sacked,
TcpiLost: skopts.TCPInfo.Lost,
TcpiRetrans: skopts.TCPInfo.Retrans,
TcpiFackets: skopts.TCPInfo.Fackets,
TcpiLastDataSent: skopts.TCPInfo.Last_data_sent,
TcpiLastAckSent: skopts.TCPInfo.Last_ack_sent,
TcpiLastDataRecv: skopts.TCPInfo.Last_data_recv,
TcpiLastAckRecv: skopts.TCPInfo.Last_ack_recv,
TcpiPmtu: skopts.TCPInfo.Pmtu,
TcpiRcvSsthresh: skopts.TCPInfo.Rcv_ssthresh,
TcpiRtt: skopts.TCPInfo.Rtt,
TcpiRttvar: skopts.TCPInfo.Rttvar,
TcpiSndSsthresh: skopts.TCPInfo.Snd_ssthresh,
TcpiSndCwnd: skopts.TCPInfo.Snd_cwnd,
TcpiAdvmss: skopts.TCPInfo.Advmss,
TcpiReordering: skopts.TCPInfo.Reordering,
})
if err == nil {
opts = append(opts, &channelzpb.SocketOption{
Name: "TCP_INFO",
Additional: additional,
})
} else {
logger.Warningf("Failed to marshal socket options TCP info %+v: %v", skopts.TCPInfo, err)
}
}
return opts
}
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