aboutsummaryrefslogtreecommitdiff
path: root/src/ats/gnunet-service-ats_addresses_simplistic.h
blob: eab221cbf8204d153be0ceb3653039ab867c8093 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
     This file is part of GNUnet.
     (C) 2011 Christian Grothoff (and other contributing authors)

     GNUnet is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published
     by the Free Software Foundation; either version 3, or (at your
     option) any later version.

     GNUnet is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with GNUnet; see the file COPYING.  If not, write to the
     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
*/

/**
 * @file ats/gnunet-service-ats_addresses_simplistic.h
 * @brief ats simplistic ressource assignment
 * @author Matthias Wachs
 * @author Christian Grothoff
 */
#include "platform.h"
#include "gnunet_statistics_service.h"
#include "gnunet-service-ats_addresses.h"

#define BIG_M_STRING "unlimited"

/**
 * Init the simplistic problem solving component
 *
 * Quotas:
 * network[i] contains the network type as type GNUNET_ATS_NetworkType[i]
 * out_quota[i] contains outbound quota for network type i
 * in_quota[i] contains inbound quota for network type i
 *
 * Example
 * network = {GNUNET_ATS_NET_UNSPECIFIED, GNUNET_ATS_NET_LOOPBACK, GNUNET_ATS_NET_LAN, GNUNET_ATS_NET_WAN, GNUNET_ATS_NET_WLAN}
 * network[2]   == GNUNET_ATS_NET_LAN
 * out_quota[2] == 65353
 * in_quota[2]  == 65353
 *
 * @param cfg configuration handle
 * @param stats the GNUNET_STATISTICS handle
 * @param network array of GNUNET_ATS_NetworkType with length dest_length
 * @param out_quota array of outbound quotas
 * @param in_quota array of outbound quota
 * @param dest_length array length for quota arrays
 * @param bw_changed_cb callback for changed bandwidth amounts
 * @param bw_changed_cb_cls cls for callback
 * @return handle for the solver on success, NULL on fail
 */
void *
GAS_simplistic_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
                     const struct GNUNET_STATISTICS_Handle *stats,
                     int *network,
                     unsigned long long *out_quota,
                     unsigned long long *in_quota,
                     int dest_length,
                     GAS_bandwidth_changed_cb bw_changed_cb,
                     void *bw_changed_cb_cls);

/**
 * Shutdown the simplistic problem solving component
 *
 * @param solver the respective handle to shutdown
 */
void
GAS_simplistic_done (void * solver);

/**
 * Add a single address to the solve
 *
 * @param solver the solver Handle
 * @param addresses the address hashmap containing all addresses
 * @param address the address to add
 */
void
GAS_simplistic_address_add (void *solver, struct GNUNET_CONTAINER_MultiHashMap * addresses, struct ATS_Address *address);


/**
 * Updates a single address in the solve
 *
 * @param solver the solver Handle
 * @param addresses the address hashmap containing all addresses
 * @param address the update address
 * @param session the new session (if changed otherwise current)
 * @param in_use the new address in use state (if changed otherwise current)
 * @param atsi the latest ATS information
 * @param atsi_count the atsi count
 */
void
GAS_simplistic_address_update (void *solver,
    struct GNUNET_CONTAINER_MultiHashMap *addresses,
    struct ATS_Address *address,
    uint32_t session,
    int in_use,
    const struct GNUNET_ATS_Information *atsi,
    uint32_t atsi_count);


/**
 * Remove an address from the solver
 *
 * @param solver the solver handle
 * @param addresses the address hashmap containing all addresses
 * @param address the address to remove
 * @param session_only delete only session not whole address
 */
void
GAS_simplistic_address_delete (void *solver,
    struct GNUNET_CONTAINER_MultiHashMap * addresses,
    struct ATS_Address *address, int session_only);


/**
 * Get the prefered address for a specific peer
 *
 * @param solver the solver handle
 * @param addresses the address hashmap containing all addresses
 * @param peer the identity of the peer
 */
const struct ATS_Address *
GAS_simplistic_get_preferred_address (void *solver,
                               struct GNUNET_CONTAINER_MultiHashMap * addresses,
                               const struct GNUNET_PeerIdentity *peer);


/**
 * Changes the preferences for a peer in the problem
 *
 * @param solver the solver handle
 * @param client the client with this preference
 * @param peer the peer to change the preference for
 * @param kind the kind to change the preference
 * @param score the score
 */
void
GAS_simplistic_address_change_preference (void *solver,
                                   void *client,
                                   const struct GNUNET_PeerIdentity *peer,
                                   enum GNUNET_ATS_PreferenceKind kind,
                                   float score);


/* end of gnunet-service-ats_addresses_simplistic.h */