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dump_vppcalls.go
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dump_vppcalls.go
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// Copyright (c) 2019 Cisco and/or its affiliates.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package vpp1901
import (
"github.com/ligato/vpp-agent/api/models/vpp"
"github.com/ligato/vpp-agent/api/models/vpp/punt"
"github.com/ligato/vpp-agent/plugins/vpp/binapi/vpp1901/punt"
"github.com/ligato/vpp-agent/plugins/vpp/puntplugin/vppcalls"
)
// FIXME: temporary solutions for providing data in dump
var socketPathMap = make(map[uint32]*vpp.PuntToHost)
// DumpRegisteredPuntSockets returns punt to host via registered socket entries
// TODO since the binary API is not available, all data are read from local cache for now
func (h *PuntVppHandler) DumpRegisteredPuntSockets() (punts []*vppcalls.PuntDetails, err error) {
// TODO: use dumps from binapi
if _, err := h.dumpPunts(false); err != nil {
h.log.Errorf("punt dump failed: %v", err)
}
if _, err := h.dumpPunts(true); err != nil {
h.log.Errorf("punt dump failed: %v", err)
}
if _, err := h.dumpPuntSockets(false); err != nil {
h.log.Errorf("punt socket dump failed: %v", err)
}
if _, err := h.dumpPuntSockets(true); err != nil {
h.log.Errorf("punt socket dump failed: %v", err)
}
for _, punt := range socketPathMap {
punts = append(punts, &vppcalls.PuntDetails{
PuntData: punt,
SocketPath: punt.SocketPath,
})
}
if len(punts) > 0 {
h.log.Warnf("Dump punt socket register: all entries were read from local cache")
}
return punts, nil
}
func (h *PuntVppHandler) dumpPuntSockets(ipv6 bool) (punts []*vppcalls.PuntDetails, err error) {
var info = "IPv4"
if ipv6 {
info = "IPv6"
}
h.log.Debugf("=> dumping punt sockets (%s)", info)
req := h.callsChannel.SendMultiRequest(&punt.PuntSocketDump{
IsIPv6: boolToUint(ipv6),
})
for {
d := &punt.PuntSocketDetails{}
stop, err := req.ReceiveReply(d)
if stop {
break
}
if err != nil {
return nil, err
}
h.log.Debugf(" - dumped punt socket (%s): %+v", d.Pathname, d.Punt)
punts = append(punts, &vppcalls.PuntDetails{
PuntData: &vpp_punt.ToHost{
Port: uint32(d.Punt.L4Port),
// FIXME: L3Protocol seems to return 0 when registering ALL
L3Protocol: parseL3Proto(d.Punt.IPv),
L4Protocol: parseL4Proto(d.Punt.L4Protocol),
},
})
}
return punts, nil
}
func (h *PuntVppHandler) dumpPunts(ipv6 bool) (punts []*vppcalls.PuntDetails, err error) {
var info = "IPv4"
if ipv6 {
info = "IPv6"
}
h.log.Debugf("=> dumping punts (%s)", info)
req := h.callsChannel.SendMultiRequest(&punt.PuntDump{
IsIPv6: boolToUint(ipv6),
})
for {
d := &punt.PuntDetails{}
stop, err := req.ReceiveReply(d)
if stop {
break
}
if err != nil {
return nil, err
}
h.log.Debugf(" - dumped punt: %+v", d.Punt)
punts = append(punts, &vppcalls.PuntDetails{
PuntData: &vpp_punt.ToHost{
Port: uint32(d.Punt.L4Port),
L3Protocol: parseL3Proto(d.Punt.IPv),
L4Protocol: parseL4Proto(d.Punt.L4Protocol),
},
})
}
return punts, nil
}