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A TopicFunc is an interface to let the pubisher decide whether it needs to send a message to a subscriber or not. It returns true if the publisher must send the message and false otherwise. Users of the pubsub package can create a subscriber with a topic function by calling `pubsub.SubscribeTopic`. Message delivery has also been modified to use concurrent channels per subscriber. That way, topic verification and message delivery is not o(N+M) anymore, based on the number of subscribers and topic verification complexity. Using pubsub topics, the API stops controlling the message delivery, delegating that function to a topic generated with the filtering provided by the user. The publisher sends every message to the subscriber if there is no filter, but the api doesn't have to select messages to return anymore. Signed-off-by: David Calavera <david.calavera@gmail.com> |
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|---|---|---|
| aaparser | ||
| ansiescape | ||
| archive | ||
| blkiodev | ||
| broadcaster | ||
| chrootarchive | ||
| devicemapper | ||
| directory | ||
| discovery | ||
| filenotify | ||
| fileutils | ||
| graphdb | ||
| homedir | ||
| httputils | ||
| idtools | ||
| integration | ||
| ioutils | ||
| jsonlog | ||
| jsonmessage | ||
| locker | ||
| longpath | ||
| mflag | ||
| mount | ||
| namesgenerator | ||
| nat | ||
| parsers | ||
| pidfile | ||
| platform | ||
| plugins | ||
| pools | ||
| progressreader | ||
| promise | ||
| proxy | ||
| pubsub | ||
| random | ||
| reexec | ||
| signal | ||
| sockets | ||
| stdcopy | ||
| streamformatter | ||
| stringid | ||
| stringutils | ||
| symlink | ||
| sysinfo | ||
| system | ||
| tailfile | ||
| tarsum | ||
| term | ||
| timeoutconn | ||
| timeutils | ||
| tlsconfig | ||
| truncindex | ||
| ulimit | ||
| units | ||
| urlutil | ||
| useragent | ||
| version | ||
| README.md | ||
pkg/ is a collection of utility packages used by the Docker project without being specific to its internals.
Utility packages are kept separate from the docker core codebase to keep it as small and concise as possible. If some utilities grow larger and their APIs stabilize, they may be moved to their own repository under the Docker organization, to facilitate re-use by other projects. However that is not the priority.
The directory pkg is named after the same directory in the camlistore project. Since Brad is a core
Go maintainer, we thought it made sense to copy his methods for organizing Go code :) Thanks Brad!
Because utility packages are small and neatly separated from the rest of the codebase, they are a good place to start for aspiring maintainers and contributors. Get in touch if you want to help maintain them!