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procnet_test.go
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procnet_test.go
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package procspy
import (
"net"
"reflect"
"testing"
)
func TestProcNet(t *testing.T) {
testString := ` sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout Inode
0: 00000000:A6C0 00000000:0000 01 00000000:00000000 00:00000000 00000000 105 0 5107 1 ffff8800a6aaf040 100 0 0 10 0
1: 00000000:006F 00000000:0000 01 00000000:00000000 00:00000000 00000000 0 0 5084 1 ffff8800a6aaf740 100 0 0 10 0
2: 0100007F:0019 00000000:0000 01 00000000:00000000 00:00000000 00000000 0 0 10550 1 ffff8800a729b780 100 0 0 10 0
3: A12CF62E:E4D7 57FC1EC0:01BB 01 00000000:00000000 02:000006FA 00000000 1000 0 639474 2 ffff88007e75a740 48 4 26 10 -1
`
p := NewProcNet([]byte(testString), TcpEstablished)
expected := []Connection{
{
LocalAddress: net.IP([]byte{0, 0, 0, 0}),
LocalPort: 0xa6c0,
RemoteAddress: net.IP([]byte{0, 0, 0, 0}),
RemotePort: 0x0,
Inode: 5107,
},
{
LocalAddress: net.IP([]byte{0, 0, 0, 0}),
LocalPort: 0x006f,
RemoteAddress: net.IP([]byte{0, 0, 0, 0}),
RemotePort: 0x0,
Inode: 5084,
},
{
LocalAddress: net.IP([]byte{0x7f, 0x0, 0x0, 0x01}),
LocalPort: 0x0019,
RemoteAddress: net.IP([]byte{0, 0, 0, 0}),
RemotePort: 0x0,
Inode: 10550,
},
{
LocalAddress: net.IP([]byte{0x2e, 0xf6, 0x2c, 0xa1}),
LocalPort: 0xe4d7,
RemoteAddress: net.IP([]byte{0xc0, 0x1e, 0xfc, 0x57}),
RemotePort: 0x01bb,
Inode: 639474,
},
}
for i := 0; i < 4; i++ {
have := p.Next()
want := expected[i]
if !reflect.DeepEqual(*have, want) {
t.Errorf("transport 4 error. Got\n%+v\nExpected\n%+v\n", *have, want)
}
}
if got := p.Next(); got != nil {
t.Errorf("p.Next() wasn't empty")
}
}
func TestTransport6(t *testing.T) {
// Abridged copy of my /proc/net/tcp6
testString := ` sl local_address remote_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout Inode
0: 00000000000000000000000000000000:19C8 00000000000000000000000000000000:0000 01 00000000:00000000 00:00000000 00000000 0 0 23661201 1 ffff880103fb4800 100 0 0 10 -1
8: 4500032000BE692B8AE31EBD919D9D10:D61C 5014002A080805400000000015100000:01BB 01 00000000:00000000 02:00000045 00000000 1000 0 36856710 2 ffff88010b796080 22 4 30 8 7
`
p := NewProcNet([]byte(testString), TcpEstablished)
expected := []Connection{
{
// state: 10,
LocalAddress: net.IP(make([]byte, 16)),
LocalPort: 0x19c8,
RemoteAddress: net.IP(make([]byte, 16)),
RemotePort: 0x0,
// uid: 0,
Inode: 23661201,
},
{
// state: 1,
LocalAddress: net.IP([]byte{
0x20, 0x03, 0, 0x45,
0x2b, 0x69, 0xbe, 0x00,
0xbd, 0x1e, 0xe3, 0x8a,
0x10, 0x9d, 0x9d, 0x91,
}),
LocalPort: 0xd61c,
RemoteAddress: net.IP([]byte{
0x2a, 0x00, 0x14, 0x50,
0x40, 0x05, 0x08, 0x08,
0, 0, 0, 0,
0, 0, 0x10, 0x15,
}),
RemotePort: 0x01bb,
// uid: 1000,
Inode: 36856710,
},
}
for i := 0; i < 2; i++ {
have := p.Next()
want := expected[i]
if !reflect.DeepEqual(*have, want) {
t.Errorf("got\n%+v\nExpected\n%+v\n", *have, want)
}
}
if got := p.Next(); got != nil {
t.Errorf("p.Next() wasn't empty")
}
}
func TestTransportNonsense(t *testing.T) {
testString := ` sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout Inode
0: 00000000:A6C0 00000000:0000 01 000000
broken line
`
p := NewProcNet([]byte(testString), TcpEstablished)
expected := []Connection{
{
LocalAddress: net.IP([]byte{0, 0, 0, 0}),
LocalPort: 0xa6c0,
RemoteAddress: net.IP([]byte{0, 0, 0, 0}),
RemotePort: 0x0,
},
}
for i := 0; i < 1; i++ {
have := p.Next()
want := expected[i]
if !reflect.DeepEqual(*have, want) {
t.Errorf("Got\n%+v\nExpected\n%+v\n", *have, want)
}
}
if got := p.Next(); got != nil {
t.Errorf("p.Next() wasn't empty")
}
}
func TestProcNetFiltersDuplicates(t *testing.T) {
testString := ` sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout Inode
0: 00000000:A6C0 00000000:0000 01 00000000:00000000 00:00000000 00000000 105 0 5107 1 ffff8800a6aaf040 100 0 0 10 0
1: 00000000:A6C0 00000000:0000 01 00000000:00000000 00:00000000 00000000 105 0 5107 1 ffff8800a6aaf040 100 0 0 10 0
`
p := NewProcNet([]byte(testString), TcpEstablished)
expected := Connection{
LocalAddress: net.IP([]byte{0, 0, 0, 0}),
LocalPort: 0xa6c0,
RemoteAddress: net.IP([]byte{0, 0, 0, 0}),
RemotePort: 0x0,
Inode: 5107,
}
have := p.Next()
want := expected
if !reflect.DeepEqual(*have, want) {
t.Errorf("transport 4 error. Got\n%+v\nExpected\n%+v\n", *have, want)
}
if got := p.Next(); got != nil {
t.Errorf("p.Next() wasn't empty")
}
}