56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
package app
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import (
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"errors"
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"log"
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"net"
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"net/http"
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"os"
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"path/filepath"
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)
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func startServers(cfg Config, handler http.Handler) ([]*http.Server, func(), error) {
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var servers []*http.Server
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cleanup := func() {}
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if cfg.ListenAddr != "" {
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srv := &http.Server{Addr: cfg.ListenAddr, Handler: handler}
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servers = append(servers, srv)
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go func() {
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if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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log.Printf("tcp server error: %v", err)
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}
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}()
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}
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if cfg.UnixSocketPath != "" {
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if err := os.MkdirAll(filepath.Dir(cfg.UnixSocketPath), 0o755); err != nil {
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return nil, cleanup, err
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}
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_ = os.Remove(cfg.UnixSocketPath)
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ln, err := net.Listen("unix", cfg.UnixSocketPath)
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if err != nil {
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return nil, cleanup, err
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}
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if err := os.Chmod(cfg.UnixSocketPath, 0o666); err != nil {
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return nil, cleanup, err
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}
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srv := &http.Server{Handler: handler}
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servers = append(servers, srv)
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go func() {
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if err := srv.Serve(ln); err != nil && !errors.Is(err, http.ErrServerClosed) {
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log.Printf("unix server error: %v", err)
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}
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}()
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cleanup = func() {
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_ = ln.Close()
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_ = os.Remove(cfg.UnixSocketPath)
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}
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}
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if len(servers) == 0 {
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return nil, cleanup, errors.New("no listeners configured, set LISTEN_ADDR and/or UNIX_SOCKET_PATH")
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}
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return servers, cleanup, nil
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}
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