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Add sockopt interface setting for binding outbound to a particular device like "eth0" (#1494)

Browse Source 
* Update sockopt_linux.go

add Interface Name

* Update config.pb.go

add Interface Name

* Update transport_internet.go

add Interface Name

* Update config.pb.go

* update config.proto add interface

* Update config.pb.go
This commit is contained in:
aeeq 2023-01-09 22:26:23 +08:00 committed by yuhan6665
parent 32ce7cd730
commit 620eb63c1b
4 changed files with 43 additions and 23 deletions
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2
infra/conf/transport_internet.go
View File

@ -534,6 +534,7 @@ type SocketConfig struct {
TCPKeepAliveInterval int32 `json:"tcpKeepAliveInterval"`
TCPKeepAliveIdle int32 `json:"tcpKeepAliveIdle"`
TCPCongestion string `json:"tcpCongestion"`
Interface string `json:"interface"`
}
// Build implements Buildable.
@ -583,6 +584,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
TcpKeepAliveInterval: c.TCPKeepAliveInterval,
TcpKeepAliveIdle: c.TCPKeepAliveIdle,
TcpCongestion: c.TCPCongestion,
Interface: c.Interface,
}, nil
}

56
transport/internet/config.pb.go
View File

@ -1,7 +1,7 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.28.1
// protoc v3.18.0
// protoc v3.21.9
// source: transport/internet/config.proto
package internet
@ -425,6 +425,7 @@ type SocketConfig struct {
TcpKeepAliveInterval int32 `protobuf:"varint,10,opt,name=tcp_keep_alive_interval,json=tcpKeepAliveInterval,proto3" json:"tcp_keep_alive_interval,omitempty"`
TcpKeepAliveIdle int32 `protobuf:"varint,11,opt,name=tcp_keep_alive_idle,json=tcpKeepAliveIdle,proto3" json:"tcp_keep_alive_idle,omitempty"`
TcpCongestion string `protobuf:"bytes,12,opt,name=tcp_congestion,json=tcpCongestion,proto3" json:"tcp_congestion,omitempty"`
Interface string `protobuf:"bytes,13,opt,name=interface,proto3" json:"interface,omitempty"`
}
func (x *SocketConfig) Reset() {
@ -543,6 +544,13 @@ func (x *SocketConfig) GetTcpCongestion() string {
return ""
}
func (x *SocketConfig) GetInterface() string {
if x != nil {
return x.Interface
}
return ""
}
var File_transport_internet_config_proto protoreflect.FileDescriptor
var file_transport_internet_config_proto_rawDesc = []byte{
@ -595,7 +603,7 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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@ -630,27 +638,29 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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}
var (

2
transport/internet/config.proto
View File

@ -98,4 +98,6 @@ message SocketConfig {
int32 tcp_keep_alive_idle = 11;
string tcp_congestion = 12;
string interface = 13;
}

6
transport/internet/sockopt_linux.go
View File

@ -46,6 +46,12 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
return newError("failed to set SO_MARK").Base(err)
}
}
if config.Interface != "" {
if err := syscall.BindToDevice(int(fd), config.Interface); err != nil {
return newError("failed to set Interface").Base(err)
}
}
if isTCPSocket(network) {
tfo := config.ParseTFOValue()