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Implement stats fetch using dump-flows #130

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merged 3 commits into from
Oct 21, 2024
Merged

Implement stats fetch using dump-flows #130

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b64fc3e
Implement stats fetch using dump-flows to provide an option to get st…
do-msingh Oct 15, 2024
a49b72a
Extend existing Flow structure
do-msingh Oct 18, 2024
80974b0
Clean up
do-msingh Oct 21, 2024
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1 change: 1 addition & 0 deletions AUTHORS
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Original file line number Diff line number Diff line change
Expand Up @@ -15,3 +15,4 @@ Neal Shrader <[email protected]>
Sangeetha Srikanth <[email protected]>
Franck Rupin <[email protected]>
Adam Simeth <[email protected]>
Manmeet Singh <[email protected]>
27 changes: 25 additions & 2 deletions ovs/flow.go
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@ const (
ProtocolUDPv6 Protocol = "udp6"
)

// A Flow is an OpenFlow flow meant for adding flows to a software bridge. It can be marshaled
// A Flow is an OpenFlow flow meant for adding/fetching flows to a software bridge. It can be marshaled
// to and from its textual form for use with Open vSwitch.
type Flow struct {
Priority int
Expand All @@ -64,6 +64,7 @@ type Flow struct {
IdleTimeout int
Cookie uint64
Actions []Action
Stats FlowStats
}

// A LearnedFlow is defined as part of the Learn action.
Expand Down Expand Up @@ -396,7 +397,29 @@ func (f *Flow) UnmarshalText(b []byte) error {
}
f.Table = int(table)
continue
case duration, nPackets, nBytes, hardAge, idleAge:
case nPackets:
// Parse nPackets into struct field.
pktCount, err := strconv.ParseUint(kv[1], 0, 64)
if err != nil {
return &FlowError{
Str: kv[1],
Err: err,
}
}
f.Stats.PacketCount = uint64(pktCount)
continue
case nBytes:
// Parse nBytes into struct field.
byteCount, err := strconv.ParseUint(kv[1], 0, 64)
if err != nil {
return &FlowError{
Str: kv[1],
Err: err,
}
}
f.Stats.ByteCount = uint64(byteCount)
continue
case duration, hardAge, idleAge:
// ignore those fields.
continue
}
Expand Down
8 changes: 8 additions & 0 deletions ovs/flow_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -785,6 +785,10 @@ func TestFlowUnmarshalText(t *testing.T) {
ModVLANVID(10),
Output(1),
},
Stats: FlowStats{
PacketCount: 6,
ByteCount: 480,
},
},
},
{
Expand Down Expand Up @@ -819,6 +823,10 @@ func TestFlowUnmarshalText(t *testing.T) {
Actions: []Action{
ConnectionTracking("commit,table=65"),
},
Stats: FlowStats{
PacketCount: 3,
ByteCount: 234,
},
},
},
{
Expand Down
72 changes: 72 additions & 0 deletions ovs/openflow_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -862,6 +862,10 @@ func TestClientOpenFlowDumpFlows(t *testing.T) {
ModVLANVID(10),
Output(1),
},
Stats: FlowStats{
PacketCount: 6,
ByteCount: 480,
},
},
},
err: nil,
Expand All @@ -886,6 +890,10 @@ func TestClientOpenFlowDumpFlows(t *testing.T) {
ModVLANVID(10),
Output(1),
},
Stats: FlowStats{
PacketCount: 6,
ByteCount: 480,
},
},
{
Priority: 110,
Expand All @@ -897,6 +905,10 @@ func TestClientOpenFlowDumpFlows(t *testing.T) {
Actions: []Action{
ConnectionTracking("table=51"),
},
Stats: FlowStats{
PacketCount: 0,
ByteCount: 0,
},
},
{
Priority: 101,
Expand All @@ -912,6 +924,10 @@ func TestClientOpenFlowDumpFlows(t *testing.T) {
Actions: []Action{
ConnectionTracking("commit,table=65"),
},
Stats: FlowStats{
PacketCount: 3,
ByteCount: 234,
},
},
{
Priority: 4040,
Expand All @@ -925,6 +941,10 @@ func TestClientOpenFlowDumpFlows(t *testing.T) {
Actions: []Action{
Output(19),
},
Stats: FlowStats{
PacketCount: 0,
ByteCount: 0,
},
},
{
Priority: 4321,
Expand All @@ -940,6 +960,10 @@ func TestClientOpenFlowDumpFlows(t *testing.T) {
Actions: []Action{
Resubmit(0, 13),
},
Stats: FlowStats{
PacketCount: 0,
ByteCount: 0,
},
},
},
err: nil,
Expand All @@ -965,6 +989,10 @@ NXST_FLOW reply (xid=0x4):
ModVLANVID(10),
Output(1),
},
Stats: FlowStats{
PacketCount: 6,
ByteCount: 480,
},
},
{
Priority: 110,
Expand All @@ -976,6 +1004,10 @@ NXST_FLOW reply (xid=0x4):
Actions: []Action{
ConnectionTracking("table=51"),
},
Stats: FlowStats{
PacketCount: 0,
ByteCount: 0,
},
},
{
Priority: 101,
Expand All @@ -991,6 +1023,10 @@ NXST_FLOW reply (xid=0x4):
Actions: []Action{
ConnectionTracking("commit,table=65"),
},
Stats: FlowStats{
PacketCount: 3,
ByteCount: 234,
},
},
{
Priority: 4040,
Expand All @@ -1004,6 +1040,10 @@ NXST_FLOW reply (xid=0x4):
Actions: []Action{
Output(19),
},
Stats: FlowStats{
PacketCount: 0,
ByteCount: 0,
},
},
{
Priority: 4321,
Expand All @@ -1019,6 +1059,10 @@ NXST_FLOW reply (xid=0x4):
Actions: []Action{
Resubmit(0, 13),
},
Stats: FlowStats{
PacketCount: 0,
ByteCount: 0,
},
},
},
err: nil,
Expand Down Expand Up @@ -1089,6 +1133,10 @@ func TestClientOpenFlowDumpFlowsWithFlowArgs(t *testing.T) {
ModVLANVID(10),
Output(1),
},
Stats: FlowStats{
PacketCount: 6,
ByteCount: 480,
},
},
},
err: nil,
Expand All @@ -1114,6 +1162,10 @@ func TestClientOpenFlowDumpFlowsWithFlowArgs(t *testing.T) {
ModVLANVID(10),
Output(1),
},
Stats: FlowStats{
PacketCount: 6,
ByteCount: 480,
},
},
{
Priority: 110,
Expand All @@ -1125,6 +1177,10 @@ func TestClientOpenFlowDumpFlowsWithFlowArgs(t *testing.T) {
Actions: []Action{
ConnectionTracking("table=51"),
},
Stats: FlowStats{
PacketCount: 0,
ByteCount: 0,
},
},
},
err: nil,
Expand Down Expand Up @@ -1193,6 +1249,10 @@ func TestClientOpenFlowDumpFlows15(t *testing.T) {
Actions: []Action{
ConnectionTracking("table=1"),
},
Stats: FlowStats{
PacketCount: 1127501,
ByteCount: 1595250938,
},
},
},
err: nil,
Expand All @@ -1216,6 +1276,10 @@ func TestClientOpenFlowDumpFlows15(t *testing.T) {
Actions: []Action{
ConnectionTracking("table=1"),
},
Stats: FlowStats{
PacketCount: 1127501,
ByteCount: 1595250938,
},
},
{
Priority: 0,
Expand All @@ -1224,6 +1288,10 @@ func TestClientOpenFlowDumpFlows15(t *testing.T) {
Actions: []Action{
Normal(),
},
Stats: FlowStats{
PacketCount: 7370490,
ByteCount: 893401420,
},
},
{
Priority: 1000,
Expand All @@ -1236,6 +1304,10 @@ func TestClientOpenFlowDumpFlows15(t *testing.T) {
ConnectionTracking("commit"),
Normal(),
},
Stats: FlowStats{
PacketCount: 1068,
ByteCount: 388186,
},
},
},
err: nil,
Expand Down
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