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package main |
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import ( |
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"flag" |
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"fmt" |
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"github.com/arazmj/gerdu/cache" |
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"github.com/arazmj/gerdu/grpcserver" |
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"github.com/arazmj/gerdu/httpserver" |
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"github.com/arazmj/gerdu/lfucache" |
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"github.com/arazmj/gerdu/lrucache" |
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"github.com/arazmj/gerdu/weakcache" |
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"github.com/inhies/go-bytesize" |
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"os" |
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"strings" |
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"sync" |
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) |
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var gerdu cache.UnImplementedCache |
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var wg = sync.WaitGroup{} |
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var ( |
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verbose = flag.Bool("verbose", false, "verbose logging") |
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capacityStr = flag.String("capacity", "64MB", |
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"The size of cache, once cache reached this capacity old values will evicted.\n"+ |
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"Specify a numerical value followed by one of the following units (not case sensitive)"+ |
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"\nK or KB: Kilobytes"+ |
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"\nM or MB: Megabytes"+ |
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"\nG or GB: Gigabytes"+ |
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"\nT or TB: Terabytes") |
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httpPort = flag.Int("httpport", 8080, "the http server port number") |
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grpcPort = flag.Int("grpcport", 8081, "the grpc server port number") |
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kind = flag.String("type", "lru", "type of cache, lru or lfu, weak") |
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protocols = flag.String("protocols", "http", "protocol grpc or http, multiple values can be selected seperated by comma") |
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tlsKey = flag.String("key", "", "SSL certificate private key") |
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tlsCert = flag.String("cert", "", "SSL certificate public key") |
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secure = len(*tlsCert) > 0 && len(*tlsKey) > 0 |
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) |
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func main() { |
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flag.Parse() |
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capacity, _ := bytesize.Parse(*capacityStr) |
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if strings.ToLower(*kind) == "lru" { |
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gerdu = lrucache.NewCache(capacity) |
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} else if strings.ToLower(*kind) == "lfu" { |
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gerdu = lfucache.NewCache(capacity) |
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} else if strings.ToLower(*kind) == "weak" { |
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gerdu = weakcache.NewWeakCache() |
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} else { |
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fmt.Println("Invalid value for type") |
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os.Exit(1) |
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} |
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*protocols = strings.ToLower(*protocols) |
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if strings.Contains(*protocols, "http") { |
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wg.Add(1) |
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go func() { |
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defer wg.Done() |
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if secure { |
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httpserver.HttpServeTLS(*httpPort, *tlsCert, *tlsKey, gerdu, *verbose) |
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} else { |
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httpserver.HttpServe(*httpPort, gerdu, *verbose) |
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} |
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}() |
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} |
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if strings.Contains(*protocols, "grpc") { |
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wg.Add(1) |
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go func() { |
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defer wg.Done() |
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if secure { |
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grpcserver.GrpcServeTLS(*grpcPort, *tlsCert, *tlsKey, gerdu, *verbose) |
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} else { |
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grpcserver.GrpcServe(*grpcPort, gerdu, *verbose) |
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} |
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}() |
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} else { |
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fmt.Println("Invalid value for protocol") |
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os.Exit(1) |
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} |
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wg.Wait() |
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} |
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