diff options
| author | Ophestra <cat@gensokyo.uk> | 2025-07-03 02:59:43 +0900 |
|---|---|---|
| committer | Ophestra <cat@gensokyo.uk> | 2025-07-03 02:59:43 +0900 |
| commit | 1b5ecd9eaf3289d164d8ed1bce6013e0e4ef8e86 (patch) | |
| tree | 047fe5fabdfb37d5c0088f7f572cebc8b13853bb /params.go | |
| parent | 82561d62b66f17c05604e87f18187bb3a91f00d2 (diff) | |
container: move out of toplevel
This allows slightly easier use of the vanity url. This also provides some disambiguation between low level containers and hakurei app containers.
Signed-off-by: Ophestra <cat@gensokyo.uk>
Diffstat (limited to 'params.go')
| -rw-r--r-- | params.go | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/params.go b/params.go deleted file mode 100644 index 47441235..00000000 --- a/params.go +++ /dev/null @@ -1,47 +0,0 @@ -package hakurei - -import ( - "encoding/gob" - "errors" - "os" - "strconv" -) - -var ( - ErrNotSet = errors.New("environment variable not set") - ErrInvalid = errors.New("bad file descriptor") -) - -// Setup appends the read end of a pipe for setup params transmission and returns its fd. -func Setup(extraFiles *[]*os.File) (int, *gob.Encoder, error) { - if r, w, err := os.Pipe(); err != nil { - return -1, nil, err - } else { - fd := 3 + len(*extraFiles) - *extraFiles = append(*extraFiles, r) - return fd, gob.NewEncoder(w), nil - } -} - -// Receive retrieves setup fd from the environment and receives params. -func Receive(key string, e any, v **os.File) (func() error, error) { - var setup *os.File - - if s, ok := os.LookupEnv(key); !ok { - return nil, ErrNotSet - } else { - if fd, err := strconv.Atoi(s); err != nil { - return nil, err - } else { - setup = os.NewFile(uintptr(fd), "setup") - if setup == nil { - return nil, ErrInvalid - } - if v != nil { - *v = setup - } - } - } - - return setup.Close, gob.NewDecoder(setup).Decode(e) -} |
