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outbound.go
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outbound.go
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/*
* === This file is part of ALICE O² ===
*
* Copyright 2018 CERN and copyright holders of ALICE O².
* Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In applying this license CERN does not waive the privileges and
* immunities granted to it by virtue of its status as an
* Intergovernmental Organization or submit itself to any jurisdiction.
*/
package channel
import (
"fmt"
"strconv"
"strings"
"dario.cat/mergo"
"github.com/AliceO2Group/Control/core/controlcommands"
"github.com/sirupsen/logrus"
)
type Outbound struct {
Channel
}
func (outbound *Outbound) UnmarshalYAML(unmarshal func(interface{}) error) (err error) {
ch := Channel{}
err = unmarshal(&ch)
if err != nil {
return
}
outbound.Channel = ch
return
}
func (outbound Outbound) MarshalYAML() (interface{}, error) {
// Flatten Outbound to have Target and Channel elements on the same "level"
type _outbound struct {
Name string `yaml:"name"`
Type ChannelType `yaml:"type"`
SndBufSize int `yaml:"sndBufSize,omitempty"`
RcvBufSize int `yaml:"rcvBufSize,omitempty"`
RateLogging string `yaml:"rateLogging,omitempty"`
Transport TransportType `yaml:"transport"`
Target string `yaml:"target"`
}
auxOutbound := _outbound{
Name: outbound.Channel.Name,
Type: outbound.Channel.Type,
SndBufSize: outbound.Channel.SndBufSize,
RcvBufSize: outbound.Channel.RcvBufSize,
RateLogging: outbound.Channel.RateLogging,
Transport: outbound.Channel.Transport,
Target: outbound.Channel.Target,
}
return auxOutbound, nil
}
/*
FairMQ outbound channel property map example:
chans.data1.0.address = tcp://localhost:5555 <string> [provided]
chans.data1.0.method = connect <string> [provided]
chans.data1.0.rateLogging = 0 <int> [provided]
chans.data1.0.rcvBufSize = 1000 <int> [provided]
chans.data1.0.rcvKernelSize = 0 <int> [provided]
chans.data1.0.sndBufSize = 1000 <int> [provided]
chans.data1.0.sndKernelSize = 0 <int> [provided]
chans.data1.0.transport = default <string> [provided]
chans.data1.0.type = pull <string> [provided]
chans.data1.numSockets = 1
*/
func (outbound *Outbound) ToFMQMap(bindMap BindMap) (pm controlcommands.PropertyMap, err error) {
if outbound == nil {
err = fmt.Errorf("outbound channel object is nil")
return
}
var address string
var transport TransportType
// If an explicit target was provided, we use it
if strings.HasPrefix(outbound.Target, "tcp://") ||
strings.HasPrefix(outbound.Target, "ipc://") {
address = outbound.Target
transport = outbound.Transport
} else {
matched := false
// we don't need class.Bind data for this one, only task.bindPorts after resolving paths!
for chPath, endpoint := range bindMap {
// FIXME: implement more sophisticated channel matching here
if outbound.Target == chPath {
// We have a match, so we generate a resolved target address and break
address = endpoint.GetAddress()
transport = endpoint.GetTransport()
matched = true
break
}
}
if !matched {
err = fmt.Errorf("could not match target for outbound channel %s", outbound.Target)
}
}
if len(address) == 0 {
return
}
return outbound.buildFMQMap(address, transport), err
}
func (outbound *Outbound) buildFMQMap(address string, transport TransportType) (pm controlcommands.PropertyMap) {
pm = make(controlcommands.PropertyMap)
const chans = "chans"
chName := outbound.Name
// We assume one socket per channel, so this must always be set
pm[strings.Join([]string{chans, chName, "numSockets"}, ".")] = "1"
prefix := strings.Join([]string{chans, chName, "0"}, ".")
chanProps := controlcommands.PropertyMap{
"address": address,
"method": "connect",
"rateLogging": outbound.RateLogging,
"rcvBufSize": strconv.Itoa(outbound.RcvBufSize),
"rcvKernelSize": "0", //NOTE: hardcoded
"sndBufSize": strconv.Itoa(outbound.SndBufSize),
"sndKernelSize": "0", //NOTE: hardcoded
"transport": transport.String(),
"type": outbound.Type.String(),
}
if (transport != outbound.Transport) &&
(outbound.Transport != DEFAULT) {
log.WithFields(logrus.Fields{
"address": address,
"oubound": outbound.Name,
"actualInboundTransport": transport,
"outboundTransport": outbound.Transport,
}).
Warn("channel transport mismatch, fix workflow template")
}
for k, v := range chanProps {
pm[prefix+"."+k] = v
}
return
}
func MergeOutbound(hp, lp []Outbound) (channels []Outbound) {
channels = make([]Outbound, len(hp))
copy(channels, hp)
for _, v := range lp {
updated := false
for _, pCh := range channels {
if v.Name == pCh.Name {
mergo.Merge(&pCh, v)
updated = true
break
}
}
if !updated {
channels = append(channels, v)
}
}
return
}