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Man Pages


Manual Reference Pages  -  SMUGFS (4)

NAME

smugfs - file system access to SmugMug photo sharing

CONTENTS

Synopsis
Description
Examples
Source
See Also
Bugs

SYNOPSIS

smugfs [ -DFH ] [ -k keypattern ] [ -m mtpt ] [ -s srvname ]

DESCRIPTION

Smugfs is a user-level file system that provides access to images stored on the SmugMug photo sharing service. It logs in after obtaining a password from factotum(4) using server=smugmug.com and keypattern (if any) as key criteria (see auth(3)). Then smugfs serves a virtual directory tree mounted at mtpt (default /n/smug) and posted at srvname , if the -s option is given.

The directory tree is arranged in five levels: root, user, category, album, and image. For example, /n/smug/cmac/ is a user directory, /n/smug/cmac/People/ is a category directory, /n/smug/cmac/People/Friends/ is an album directory, and /n/smug/cmac/albums/Friends/2631/ is an image directory.

SmugMug allows fine-grained classification via subcategories, but subcategories are not yet implemented.

All directories contain a special control file named ctl; text commands written to ctl change smugfs’s behavior or implement functionality that does not fit nicely into the file system interface.

Smugfs caches information about users, categories, albums, and images. If changes are made outside of smugfs (for example, using a web browser), the cache may need to be discarded. Writing the string sync to a directory’s ctl file causes smugfs to discard all cached information used to present that directory and its children. Thus, writing sync to the root ctl file discards all of smugfs ’s cached information.

    Root directory

The root directory contains directories named after users. By default, it contains only a directory for the logged-in user, but other directories will be created as needed to satisfy directory lookups.

In addition to user directories, the root directory contains three special files: ctl, rpclog, and uploads. Reading rpclog returns a list of recent RPCs issued to the SmugMug API server. Reads at the end of the file block until a new RPC is issued. The uploads file lists the file upload queue (q.v.).

    User directories

User directories contain category directories named after the categories. SmugMug pre-defines a variety of categories, so it is common to have many categories that do not contain albums.

In a user directory, creating a new directory creates a new category on SmugMug. Similarly, renaming or removing a category directory renames or removes the category on SmugMug. Categories cannot be removed if they contain albums.

User directories also contain a directory named albums that itself contains all of that user’s albums.

    Category directories

Each category directory contains album directories named using the album’s title.

In a category directory, creating a new directory creates a new album on SmugMug. Similarly, renaming or removing an album directory renames or removes the album on SmugMug. Albums cannot be removed if they contain images.

    Album directories

Each album directory contains image directories named using the image’s decimal SmugMug ID. Image directories cannot be created or renamed, but they can be removed. Removing an image directory removes the image from the album on SmugMug.

Album directories also contain three special files, ctl, settings, and url.

The settings file contains the album settings in textual form, one setting per line. Each line represents a single setting and is formatted as an alphabetic setting name followed by a single tab followed by the value. Many settings can be changed by writing new setting lines, in the same format, to the settings file.

Copying a file into the album directory queues it for uploading to SmugMug to be added to the album. Files disappear from the album directory once they have finished uploading, replaced by new image directories. The uploads file in the root directory lists all pending uploads, which are stored temporarily in /var/tmp.

    Image directories

Each image directory contains an image file, named with its original name, if available. If the image belongs to another user, SmugMug does not expose the original name, so the file is named nnnn.jpg, where nnnn is the SmugMug image ID number. The file content is the original image or else the largest image available.

The directory contains a settings file holding per-image settings, similar to the file in the album directory; and a url file, containing URLs to the various sized images on the SmugMug server.

EXAMPLES

Mount smugfs on /n/smug; the current user must have write access to /n/smug and /dev/fuse.
% smugfs Watch API calls as they execute:
% cat /n/smug/rpclog & Create a new album in the Vacation category and fill it with photos:
% mkdir /n/smug/you/Vacation/Summer % cp *.jpg /n/smug/you/Vacation/Summer
The photos are now uploading in the background. Wait for the uploads to finish:
% while(test -s /n/smug/uploads) sleep 60
Make the album publicly viewable and share it.
% echo public 1 >/n/smug/you/Vacation/Summer/settings % cat /n/smug/you/Vacation/Summer/url | mail friends

SOURCE

/usr/local/plan9/src/cmd/smugfs

SEE ALSO

SmugMug,

BUGS

If multiple categories or albums have the same name, only one will be accessible via the file system interface. Renaming the accessible one via mv(1) will resolve the problem.

Boolean values appear as true and false in settings files but must be changed using 1 and 0.

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