diff options
author | Robert Tonic <btonic@users.noreply.github.com> | 2019-07-29 14:57:14 -0700 |
---|---|---|
committer | Robert Tonic <btonic@users.noreply.github.com> | 2019-08-27 13:08:56 -0400 |
commit | c319b360d134cff66000fd036fce8b3816c296ea (patch) | |
tree | b0037d1a8fd29b4ec765b6e2ca08e8eb5ced81b8 /pkg | |
parent | b4cdaef4a1d545867d8e34036c5ed3175e55079d (diff) |
First pass at implementing Unix Domain Socket support. No tests.
This commit adds support for detecting the socket file type, connecting
to a Unix Domain Socket, and providing bidirectional communication
(without file descriptor transfer support).
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/fd/fd.go | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/pkg/fd/fd.go b/pkg/fd/fd.go index 83bcfe220..c3acd0fe2 100644 --- a/pkg/fd/fd.go +++ b/pkg/fd/fd.go @@ -22,6 +22,7 @@ import ( "runtime" "sync/atomic" "syscall" + "net" ) // ReadWriter implements io.ReadWriter, io.ReaderAt, and io.WriterAt for fd. It @@ -185,6 +186,21 @@ func OpenAt(dir *FD, path string, flags int, mode uint32) (*FD, error) { return New(f), nil } +// OpenUnix TODO: DOC +func OpenUnix(path string) (*FD, error) { + addr, _ := net.ResolveUnixAddr("unix", path) + f, err := net.DialUnix("unix", nil, addr); if err != nil { + return nil, fmt.Errorf("unable to open socket: %q, err: %v", path, err) + } + fConnd, err := f.File(); if err != nil { + return nil, fmt.Errorf("unable to convert to os.File: %q, err: %v", path, err) + } + fdConnd, err := NewFromFile(fConnd); if err != nil { + return nil, fmt.Errorf("unable to convert os.File to fd.FD: %q, err: %v", path, err) + } + return fdConnd, nil +} + // Close closes the file descriptor contained in the FD. // // Close is safe to call multiple times, but will return an error after the |