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3 Copyright (C) 2010-2015, 2018 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
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20 * Bandwidth allocation API for applications to interact with
22 * @author Christian Grothoff
23 * @author Matthias Wachs
25 * @defgroup ats ATS service
26 * Bandwidth allocation
28 * @see [Documentation](https://gnunet.org/ats-subsystem)
32 #ifndef GNUNET_ATS_APPLICATION_SERVICE_H
33 #define GNUNET_ATS_APPLICATION_SERVICE_H
35 #include "gnunet_constants.h"
36 #include "gnunet_util_lib.h"
39 * Handle to the ATS subsystem for making suggestions about
40 * connections the peer would like to have.
42 struct GNUNET_ATS_ApplicationHandle;
46 * Initialize the ATS application client handle.
48 * @param cfg configuration to use
49 * @return ats application handle, NULL on error
51 struct GNUNET_ATS_ApplicationHandle *
52 GNUNET_ATS_application_init (const struct GNUNET_CONFIGURATION_Handle *cfg);
56 * Shutdown ATS application client.
58 * @param ch handle to destroy
61 GNUNET_ATS_application_done (struct GNUNET_ATS_ApplicationHandle *ch);
65 * Handle for suggestion requests.
67 struct GNUNET_ATS_ApplicationSuggestHandle;
71 * An application would like to communicate with a peer. ATS should
72 * allocate bandwith using a suitable address for requiremetns @a pk
76 * @param peer identity of the peer we need an address for
77 * @param pk what kind of application will the application require (can be
78 * #GNUNET_MQ_PREFERENCE_NONE, we will still try to connect)
79 * @param bw desired bandwith, can be zero (we will still try to connect)
80 * @return suggestion handle, NULL if request is already pending
82 struct GNUNET_ATS_ApplicationSuggestHandle *
83 GNUNET_ATS_application_suggest (struct GNUNET_ATS_ApplicationHandle *ch,
84 const struct GNUNET_PeerIdentity *peer,
85 enum GNUNET_MQ_PreferenceKind pk,
86 struct GNUNET_BANDWIDTH_Value32NBO bw);
90 * We no longer care about communicating with a peer.
95 GNUNET_ATS_application_suggest_cancel (struct GNUNET_ATS_ApplicationSuggestHandle *sh);
97 /** @} */ /* end of group */
100 /* end of file gnunet_ats_application_service.h */