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unix: add support for TCP_CONNECTION_INFO on macOS

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x/sys provides support for accessing TCP_INFO on Linux but does
not provide support for accessing the equivalent (TCP_CONNECTION_INFO)
on macOS. This patch adds that functionality.

Fixes golang/go#53330

Change-Id: Ia1c1bf79a8bbb76f3ccfe58c61e1a82e08735152
Reviewed-on: https://go-review.googlesource.com/c/sys/+/411734
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Will Hawkins
2022-06-15 21:25:26 +00:00
committed by Gopher Robot
parent bf31f56cad
commit ff8c426e75
4 changed files with 133 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files
unix/syscall_darwin.go
+7
View File
@@ -393,6 +393,13 @@ func GetsockoptXucred(fd, level, opt int) (*Xucred, error) {
return x, err
}
func GetsockoptTCPConnectionInfo(fd, level, opt int) (*TCPConnectionInfo, error) {
var value TCPConnectionInfo
vallen := _Socklen(SizeofTCPConnectionInfo)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
func SysctlKinfoProc(name string, args ...int) (*KinfoProc, error) {
mib, err := sysctlmib(name, args...)
if err != nil {
unix/types_darwin.go
+3
View File
@@ -200,6 +200,8 @@ type IPv6MTUInfo C.struct_ip6_mtuinfo
type ICMPv6Filter C.struct_icmp6_filter
type TCPConnectionInfo C.struct_tcp_connection_info
const (
SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in
SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
@@ -224,6 +226,7 @@ const (
SizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
SizeofIPv6MTUInfo = C.sizeof_struct_ip6_mtuinfo
SizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
SizeofTCPConnectionInfo = C.sizeof_struct_tcp_connection_info
)
// Ptrace requests
unix/ztypes_darwin_amd64.go
+27
View File
@@ -366,6 +366,32 @@ type ICMPv6Filter struct {
Filt [8]uint32
}
type TCPConnectionInfo struct {
State uint8
Snd_wscale uint8
Rcv_wscale uint8
_ uint8
Options uint32
Flags uint32
Rto uint32
Maxseg uint32
Snd_ssthresh uint32
Snd_cwnd uint32
Snd_wnd uint32
Snd_sbbytes uint32
Rcv_wnd uint32
Rttcur uint32
Srtt uint32
Rttvar uint32
Txpackets uint64
Txbytes uint64
Txretransmitbytes uint64
Rxpackets uint64
Rxbytes uint64
Rxoutoforderbytes uint64
Txretransmitpackets uint64
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -390,6 +416,7 @@ const (
SizeofInet6Pktinfo = 0x14
SizeofIPv6MTUInfo = 0x20
SizeofICMPv6Filter = 0x20
SizeofTCPConnectionInfo = 0x70
)
const (
unix/ztypes_darwin_arm64.go
+27
View File
@@ -366,6 +366,32 @@ type ICMPv6Filter struct {
Filt [8]uint32
}
type TCPConnectionInfo struct {
State uint8
Snd_wscale uint8
Rcv_wscale uint8
_ uint8
Options uint32
Flags uint32
Rto uint32
Maxseg uint32
Snd_ssthresh uint32
Snd_cwnd uint32
Snd_wnd uint32
Snd_sbbytes uint32
Rcv_wnd uint32
Rttcur uint32
Srtt uint32
Rttvar uint32
Txpackets uint64
Txbytes uint64
Txretransmitbytes uint64
Rxpackets uint64
Rxbytes uint64
Rxoutoforderbytes uint64
Txretransmitpackets uint64
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -390,6 +416,7 @@ const (
SizeofInet6Pktinfo = 0x14
SizeofIPv6MTUInfo = 0x20
SizeofICMPv6Filter = 0x20
SizeofTCPConnectionInfo = 0x70
)
const (