65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
package build
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import (
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"sync"
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"git.novox.be/novox/mesh-sdk/go/delivery"
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)
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// LanguageOf is the language each build module's toolchains state holds (the indexer's ToolchainModules, reversed).
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var LanguageOf = map[string]string{GoBuildModule: "go", NodeBuildModule: "typescript"}
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// ToolchainSet holds what the build modules' toolchains buckets hold: each node's entry of a language, as the watches
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// put them in. Safe for use from the watches and from a build at once.
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type ToolchainSet struct {
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mu sync.Mutex
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by map[string]map[string]delivery.Toolchain // language -> node -> entry
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}
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// Put takes a change of a build module's toolchains bucket in: a put of a node's entry (key <node>.<language>) or its
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// delete. It answers whether the language's entries changed (a node's version or recipe, or a node appearing or going).
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// A key or a value that is not an entry of the module's language is left out.
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func (s *ToolchainSet) Put(module, key string, value []byte, deleted bool) bool {
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language, ok := LanguageOf[module]
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if !ok {
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return false
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}
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node, keyLanguage, err := delivery.ParseToolchainKey(key)
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if err != nil || keyLanguage != language {
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return false
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}
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s.mu.Lock()
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defer s.mu.Unlock()
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if deleted {
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if _, had := s.by[language][node]; !had {
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return false
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}
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delete(s.by[language], node)
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return true
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}
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tc, err := delivery.DecodeToolchain(value)
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if err != nil || tc.Language != language {
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return false
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}
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if s.by == nil {
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s.by = map[string]map[string]delivery.Toolchain{}
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}
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if s.by[language] == nil {
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s.by[language] = map[string]delivery.Toolchain{}
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}
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cur, had := s.by[language][node]
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s.by[language][node] = tc
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return !had || cur.Version != tc.Version || cur.Recipe != tc.Recipe
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}
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// Entries are the nodes' entries of a language, in no particular order.
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func (s *ToolchainSet) Entries(language string) []delivery.NodeToolchain {
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s.mu.Lock()
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defer s.mu.Unlock()
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var out []delivery.NodeToolchain
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for node, tc := range s.by[language] {
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out = append(out, delivery.NodeToolchain{Node: node, Toolchain: tc})
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}
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return out
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}
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