struct GNUNET_PEERSTORE_WatchContext * GNUNET_PEERSTORE_watch(struct GNUNET_PEERSTORE_Handle *h, const char *sub_system, const struct GNUNET_PeerIdentity *peer, const char *key, GNUNET_PEERSTORE_Processor callback, void *callback_cls)
Request watching a given key User will be notified with any new values added to key.
Context for a watch request.
GNUNET_PEERSTORE_Processor callback
Callback with each record received.