parse lua-load-per-thrad as an array

config-parser/parsers/lua-load-per-thread.go

@@ -0,0 +1,187 @@
+/*
+Copyright 2019 HAProxy Technologies
+
+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 expressed or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package parsers
+
+import (
+	"github.com/haproxytech/client-native/v6/config-parser/common"
+	"github.com/haproxytech/client-native/v6/config-parser/errors"
+	"github.com/haproxytech/client-native/v6/config-parser/types"
+)
+
+type LuaLoadPerThread struct {
+	data        []types.LuaLoad
+	preComments []string // comments that appear before the actual line
+}
+
+func (p *LuaLoadPerThread) Init() {
+	p.data = []types.LuaLoad{}
+	p.preComments = []string{}
+}
+
+func (p *LuaLoadPerThread) GetParserName() string {
+	return "lua-load-per-thread"
+}
+
+func (p *LuaLoadPerThread) Get(createIfNotExist bool) (common.ParserData, error) {
+	if len(p.data) == 0 && !createIfNotExist {
+		return nil, errors.ErrFetch
+	}
+	return p.data, nil
+}
+
+func (p *LuaLoadPerThread) GetPreComments() ([]string, error) {
+	return p.preComments, nil
+}
+
+func (p *LuaLoadPerThread) SetPreComments(preComments []string) {
+	p.preComments = preComments
+}
+
+func (p *LuaLoadPerThread) GetOne(index int) (common.ParserData, error) {
+	if index < 0 || index >= len(p.data) {
+		return nil, errors.ErrFetch
+	}
+	return p.data[index], nil
+}
+
+func (p *LuaLoadPerThread) Delete(index int) error {
+	if index < 0 || index >= len(p.data) {
+		return errors.ErrFetch
+	}
+	copy(p.data[index:], p.data[index+1:])
+	p.data[len(p.data)-1] = types.LuaLoad{}
+	p.data = p.data[:len(p.data)-1]
+	return nil
+}
+
+func (p *LuaLoadPerThread) Insert(data common.ParserData, index int) error {
+	if data == nil {
+		return errors.ErrInvalidData
+	}
+	switch newValue := data.(type) {
+	case []types.LuaLoad:
+		p.data = newValue
+	case *types.LuaLoad:
+		if index > -1 {
+			if index > len(p.data) {
+				return errors.ErrIndexOutOfRange
+			}
+			p.data = append(p.data, types.LuaLoad{})
+			copy(p.data[index+1:], p.data[index:])
+			p.data[index] = *newValue
+		} else {
+			p.data = append(p.data, *newValue)
+		}
+	case types.LuaLoad:
+		if index > -1 {
+			if index > len(p.data) {
+				return errors.ErrIndexOutOfRange
+			}
+			p.data = append(p.data, types.LuaLoad{})
+			copy(p.data[index+1:], p.data[index:])
+			p.data[index] = newValue
+		} else {
+			p.data = append(p.data, newValue)
+		}
+	default:
+		return errors.ErrInvalidData
+	}
+	return nil
+}
+
+func (p *LuaLoadPerThread) Set(data common.ParserData, index int) error {
+	if data == nil {
+		p.Init()
+		return nil
+	}
+	switch newValue := data.(type) {
+	case []types.LuaLoad:
+		p.data = newValue
+	case *types.LuaLoad:
+		if index > -1 && index < len(p.data) {
+			p.data[index] = *newValue
+		} else if index == -1 {
+			p.data = append(p.data, *newValue)
+		} else {
+			return errors.ErrIndexOutOfRange
+		}
+	case types.LuaLoad:
+		if index > -1 && index < len(p.data) {
+			p.data[index] = newValue
+		} else if index == -1 {
+			p.data = append(p.data, newValue)
+		} else {
+			return errors.ErrIndexOutOfRange
+		}
+	default:
+		return errors.ErrInvalidData
+	}
+	return nil
+}
+
+func (p *LuaLoadPerThread) PreParse(line string, parts []string, preComments []string, comment string) (string, error) {
+	changeState, err := p.Parse(line, parts, comment)
+	if err == nil && preComments != nil {
+		p.preComments = append(p.preComments, preComments...)
+	}
+	return changeState, err
+}
+
+func (p *LuaLoadPerThread) Parse(line string, parts []string, comment string) (string, error) {
+	if parts[0] == "lua-load-per-thread" {
+		data, err := p.parse(line, parts, comment)
+		if err != nil {
+			if _, ok := err.(*errors.ParseError); ok {
+				return "", err
+			}
+			return "", &errors.ParseError{Parser: "LuaLoadPerThread", Line: line}
+		}
+		p.data = append(p.data, *data)
+		return "", nil
+	}
+	return "", &errors.ParseError{Parser: "LuaLoadPerThread", Line: line}
+}
+
+func (p *LuaLoadPerThread) Result() ([]common.ReturnResultLine, error) {
+	if len(p.data) == 0 {
+		return nil, errors.ErrFetch
+	}
+	result := make([]common.ReturnResultLine, len(p.data))
+	for index, data := range p.data {
+		result[index] = common.ReturnResultLine{
+			Data:    "lua-load-per-thread " + data.File,
+			Comment: data.Comment,
+		}
+	}
+	return result, nil
+}
+
+func (p *LuaLoadPerThread) ResultAll() ([]common.ReturnResultLine, []string, error) {
+	res, err := p.Result()
+	return res, p.preComments, err
+}
+
+func (p *LuaLoadPerThread) parse(line string, parts []string, comment string) (*types.LuaLoad, error) {
+	if len(parts) < 2 {
+		return nil, &errors.ParseError{Parser: "LuaLoadPerThread", Line: line}
+	}
+	lua := &types.LuaLoad{
+		File:    parts[1],
+		Comment: comment,
+	}
+	return lua, nil
+}

config-parser/section-parsers.go

@@ -437,7 +437,7 @@ func (p *configParser) getGlobalParser() *Parsers { //nolint: maintidx
 	addParser(parser, &sequence, &simple.Enabled{Name: "insecure-setuid-wanted"})
 	addParser(parser, &sequence, &simple.String{Name: "issuers-chain-path"})
 	addParser(parser, &sequence, &simple.Enabled{Name: "h2-workaround-bogus-websocket-clients"})
-	addParser(parser, &sequence, &simple.String{Name: "lua-load-per-thread"})
+	addParser(parser, &sequence, &parsers.LuaLoadPerThread{})
 	addParser(parser, &sequence, &simple.Number{Name: "mworker-max-reloads"})
 	addParser(parser, &sequence, &simple.String{Name: "node"})
 	addParser(parser, &sequence, &parsers.NumaCPUMapping{})