78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
/*
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* Copyright (C) 2020-2022, IrineSistiana
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*
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* This file is part of mosdns.
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*
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* mosdns is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* mosdns is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package sequence
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import (
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"context"
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"github.com/IrineSistiana/mosdns/v5/coremain"
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"github.com/IrineSistiana/mosdns/v5/pkg/query_context"
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)
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const PluginType = "sequence"
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func init() {
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coremain.RegNewPluginFunc(PluginType, Init, func() any { return new(Args) })
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MustRegExecQuickSetup("accept", setupAccept)
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MustRegExecQuickSetup("reject", setupReject)
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MustRegExecQuickSetup("return", setupReturn)
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MustRegExecQuickSetup("goto", setupGoto)
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MustRegExecQuickSetup("jump", setupJump)
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MustRegMatchQuickSetup("_true", setupTrue) // add _ prefix to avoid being mis-parsed as bool
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MustRegMatchQuickSetup("_false", setupFalse)
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}
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type Sequence struct {
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chain []*ChainNode
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anonymousPlugins []any
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}
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func (s *Sequence) Close() error {
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for _, plugin := range s.anonymousPlugins {
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closePlugin(plugin)
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}
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return nil
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}
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type Args = []RuleArgs
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func Init(bp *coremain.BP, args any) (any, error) {
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return NewSequence(bp, *args.(*Args))
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}
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func NewSequence(bq BQ, ra []RuleArgs) (*Sequence, error) {
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s := &Sequence{}
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var rc []RuleConfig
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for _, ra := range ra {
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rc = append(rc, parseArgs(ra))
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}
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if err := s.buildChain(bq, rc); err != nil {
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_ = s.Close()
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return nil, err
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}
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return s, nil
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}
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func (s *Sequence) Exec(ctx context.Context, qCtx *query_context.Context) error {
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walker := NewChainWalker(s.chain, nil)
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return walker.ExecNext(ctx, qCtx)
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}
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