zt/zttest/zt-traffic-test/loop3/scenario.go

/*
	Copyright NetFoundry Inc.

	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

	https://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 loop3

import (
	"os"
	"time"

	"github.com/hanzozt/zt/zttest/zt-traffic-test/loop3/pb"
	"gopkg.in/yaml.v2"
)

type Scenario struct {
	Workloads       []*Workload `yaml:"workloads"`
	ConnectionDelay int32       `yaml:"connectionDelay"`
	Metrics         *Metrics    `yaml:"metrics"`
}

type Workload struct {
	Name        string `yaml:"name"`
	Concurrency int32  `yaml:"concurrency"`
	Dialer      Test   `yaml:"dialer"`
	Listener    Test   `yaml:"listener"`
}

type Test struct {
	TxRequests   int32         `yaml:"txRequests"`
	TxPacing     time.Duration `yaml:"txPacing"`
	TxMaxJitter  time.Duration `yaml:"txMaxJitter"`
	TxPauseEvery time.Duration `yaml:"txPauseEvery"`
	TxPauseFor   time.Duration `yaml:"txPauseFor"`

	RxTimeout    int32         `yaml:"rxTimeout"`
	RxPacing     time.Duration `yaml:"rxPacing"`
	RxMaxJitter  time.Duration `yaml:"rxMaxJitter"`
	RxPauseEvery time.Duration `yaml:"rxPauseEvery"`
	RxPauseFor   time.Duration `yaml:"rxPauseFor"`

	PayloadMinBytes  int32  `yaml:"payloadMinBytes"`
	PayloadMaxBytes  int32  `yaml:"payloadMaxBytes"`
	LatencyFrequency int32  `yaml:"latencyFrequency"`
	BlockType        string `yaml:"blockType"`
}

func (workload *Workload) GetTests() (*loop3_pb.Test, *loop3_pb.Test) {
	local := &loop3_pb.Test{
		Name:             workload.Name,
		TxRequests:       workload.Dialer.TxRequests,
		TxPacing:         workload.Dialer.TxPacing.String(),
		TxMaxJitter:      workload.Dialer.TxMaxJitter.String(),
		TxPauseEvery:     workload.Dialer.TxPauseEvery.String(),
		TxPauseFor:       workload.Dialer.TxPauseFor.String(),
		RxRequests:       workload.Listener.TxRequests,
		RxPacing:         workload.Dialer.RxPacing.String(),
		RxMaxJitter:      workload.Dialer.RxMaxJitter.String(),
		RxPauseEvery:     workload.Dialer.RxPauseEvery.String(),
		RxPauseFor:       workload.Dialer.RxPauseFor.String(),
		RxTimeout:        workload.Dialer.RxTimeout,
		RxSeqBlockSize:   workload.Listener.PayloadMinBytes,
		PayloadMinBytes:  workload.Dialer.PayloadMinBytes,
		PayloadMaxBytes:  workload.Dialer.PayloadMaxBytes,
		LatencyFrequency: workload.Dialer.LatencyFrequency,
		TxBlockType:      workload.Dialer.BlockType,
		RxBlockType:      workload.Listener.BlockType,
	}

	remote := &loop3_pb.Test{
		Name:             workload.Name,
		TxRequests:       workload.Listener.TxRequests,
		TxPacing:         workload.Listener.TxPacing.String(),
		TxMaxJitter:      workload.Listener.TxMaxJitter.String(),
		TxPauseEvery:     workload.Listener.TxPauseEvery.String(),
		TxPauseFor:       workload.Listener.TxPauseFor.String(),
		RxRequests:       workload.Dialer.TxRequests,
		RxPacing:         workload.Listener.RxPacing.String(),
		RxMaxJitter:      workload.Listener.RxMaxJitter.String(),
		RxTimeout:        workload.Listener.RxTimeout,
		RxPauseEvery:     workload.Listener.RxPauseEvery.String(),
		RxPauseFor:       workload.Listener.RxPauseFor.String(),
		RxSeqBlockSize:   workload.Dialer.PayloadMinBytes,
		PayloadMinBytes:  workload.Listener.PayloadMinBytes,
		PayloadMaxBytes:  workload.Listener.PayloadMaxBytes,
		LatencyFrequency: workload.Listener.LatencyFrequency,
		TxBlockType:      workload.Listener.BlockType,
		RxBlockType:      workload.Dialer.BlockType,
	}

	return local, remote
}

type Metrics struct {
	Service        string        `yaml:"service"`
	ReportInterval time.Duration `yaml:"interval"`
	ClientId       string        `yaml:"clientId"`
}

func LoadScenario(path string) (*Scenario, error) {
	data, err := os.ReadFile(path)
	if err != nil {
		return nil, err
	}

	scenario := &Scenario{ConnectionDelay: 250}
	if err := yaml.Unmarshal(data, scenario); err != nil {
		return nil, err
	}

	return scenario, nil
}

func (scenario *Scenario) String() string {
	data, err := yaml.Marshal(scenario)
	if err != nil {
		panic(err)
	}
	return string(data)
}