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ping: Add logs

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世界 2025-08-24 12:39:56 +08:00
parent 7f41766568
commit d53158b8d7
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GPG key ID: CD109927C34A63C4
3 changed files with 24 additions and 8 deletions
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16
ping/ping.go
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@ -1,6 +1,7 @@
package ping
import (
"context"
"net"
"net/netip"
"reflect"
@ -14,6 +15,7 @@ import (
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/control"
E "github.com/sagernet/sing/common/exceptions"
"github.com/sagernet/sing/common/logger"
M "github.com/sagernet/sing/common/metadata"
"golang.org/x/net/ipv4"
@ -21,18 +23,22 @@ import (
)
type Conn struct {
ctx context.Context
logger logger.ContextLogger
privileged bool
conn net.Conn
destination netip.Addr
source atomic.TypedValue[netip.Addr]
}
func Connect(privileged bool, controlFunc control.Func, destination netip.Addr) (*Conn, error) {
func Connect(ctx context.Context, logger logger.ContextLogger, privileged bool, controlFunc control.Func, destination netip.Addr) (*Conn, error) {
conn, err := connect(privileged, controlFunc, destination)
if err != nil {
return nil, err
}
return &Conn{
ctx: ctx,
logger: logger,
privileged: privileged,
conn: conn,
destination: destination,
@ -95,6 +101,7 @@ func (c *Conn) ReadIP(buffer *buf.Buffer) error {
TotalLength: uint16(buffer.Len()),
})
ipHdr.SetChecksum(^ipHdr.CalculateChecksum())
c.logger.TraceContext(c.ctx, "read icmpv4 echo reply from ", ipHdr.SourceAddr(), " to ", ipHdr.DestinationAddr())
} else {
oob := make([]byte, 1024)
buffer.Advance(header.IPv6MinimumSize)
@ -131,6 +138,7 @@ func (c *Conn) ReadIP(buffer *buf.Buffer) error {
SrcAddr: addr,
DstAddr: c.source.Load(),
})
c.logger.TraceContext(c.ctx, "read icmpv6 echo reply from ", ipHdr.SourceAddr(), " to ", ipHdr.DestinationAddr())
}
} else {
_, err := buffer.ReadOnceFrom(c.conn)
@ -144,6 +152,7 @@ func (c *Conn) ReadIP(buffer *buf.Buffer) error {
ipHdr.SetChecksum(^ipHdr.CalculateChecksum())
icmpHdr := header.ICMPv4(ipHdr.Payload())
icmpHdr.SetChecksum(header.ICMPv4Checksum(icmpHdr[:header.ICMPv4MinimumSize], checksum.Checksum(icmpHdr.Payload(), 0)))
c.logger.TraceContext(c.ctx, "read icmpv4 echo reply from ", ipHdr.SourceAddr(), " to ", ipHdr.DestinationAddr())
} else {
ipHdr := header.IPv6(buffer.Bytes())
ipHdr.SetDestinationAddr(c.source.Load())
@ -153,6 +162,7 @@ func (c *Conn) ReadIP(buffer *buf.Buffer) error {
Src: ipHdr.SourceAddressSlice(),
Dst: ipHdr.DestinationAddressSlice(),
}))
c.logger.TraceContext(c.ctx, "read icmpv6 echo reply from ", ipHdr.SourceAddr(), " to ", ipHdr.DestinationAddr())
}
}
return nil
@ -169,9 +179,11 @@ func (c *Conn) ReadICMP(buffer *buf.Buffer) error {
if !c.destination.Is6() {
ipHdr := header.IPv4(buffer.Bytes())
buffer.Advance(int(ipHdr.HeaderLength()))
c.logger.TraceContext(c.ctx, "read icmpv4 echo reply from ", ipHdr.SourceAddr(), " to ", ipHdr.DestinationAddr())
} else {
ipHdr := header.IPv6(buffer.Bytes())
buffer.Advance(buffer.Len() - int(ipHdr.PayloadLength()))
c.logger.TraceContext(c.ctx, "read icmpv6 echo reply from ", ipHdr.SourceAddr(), " to ", ipHdr.DestinationAddr())
}
return nil
}
@ -181,10 +193,12 @@ func (c *Conn) WriteIP(buffer *buf.Buffer) error {
if !c.destination.Is6() {
ipHdr := header.IPv4(buffer.Bytes())
c.source.Store(M.AddrFromIP(ipHdr.SourceAddressSlice()))
c.logger.TraceContext(c.ctx, "write icmpv4 echo request from ", ipHdr.SourceAddr(), " to ", ipHdr.DestinationAddr())
return common.Error(c.conn.Write(ipHdr.Payload()))
} else {
ipHdr := header.IPv6(buffer.Bytes())
c.source.Store(M.AddrFromIP(ipHdr.SourceAddressSlice()))
c.logger.TraceContext(c.ctx, "write icmpv6 echo request from ", ipHdr.SourceAddr(), " to ", ipHdr.DestinationAddr())
return common.Error(c.conn.Write(ipHdr.Payload()))
}
}