/*
- This file is part of GNUnet.
- (C) 2010,2011 Christian Grothoff (and other contributing authors)
+ This file is part of GNUnet.
+ (C) 2010,2011 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 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.
+ 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.
-*/
+ 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 include/gnunet_ats_service.h
* @brief automatic transport selection and outbound bandwidth determination
* UDP/IPv6 over Ethernet: 1024 + 38 + 40 + 8 = 1110 [bytes/kb]
*/
GNUNET_ATS_COST_WLAN
- /* Cost related values */
- /* =================== */
- /**
- * Volume based cost in financial units to transmit data
- *
- * Note: This value is not bound to a specific currency or unit and only
- * used locally.
- * "cent" just refers the smallest amount of money in the respective
- * currency.
- *
- * Unit: [cent/MB]
- *
- * Interpretation: less is better
- *
- * Examples:
- * LAN: 0 [cent/MB]
- * 2G : 10 [cent/MB]
- */
- // GNUNET_ATS_COST_FINANCIAL_PER_VOLUME = 1,
- /**
- * Time based cost in financial units to transmit data
- *
- * Note: This value is not bound to a specific currency or unit and only
- * used locally.
- * "cent" just refers the smallest amount of money in the respective
- * currency.
- *
- * Unit: [cent/h]
- *
- * Interpretation: less is better
- *
- * Examples:
- * LAN : 0 [cent/h]
- * Dialup: 10 [cent/h]
- */
- // GNUNET_ATS_COST_FINANCIAL_PER_TIME = 2,
- /**
- * Computational costs
- *
- * Effort of preparing data to be sent with this transport
- * Includes encoding, encryption and conversion of data
- * Partial values can be summed up: c_sum = c_enc + c_enc + c_conv
- * Resulting values depend on local system properties, e.g. CPU
- *
- * Unit: [ms/GB]
- *
- * Interpretation: less is better
- *
- * Examples:
- *
- * HTTPS with AES CBC-256: 7,382
- * HTTPS with AES CBC-128: 5,279
- * HTTPS with RC4-1024: 2,652
- */
- // GNUNET_ATS_COST_COMPUTATIONAL = 3,
- /**
- * Energy consumption
- *
- * Energy consumption using this transport when sending with a certain
- * power at a certain bitrate. This is only an approximation based on:
- * Energy consumption E = P / D
- *
- * with:
- * Power P in Watt (J/s)
- * Datarate D in MBit/s
- *
- * Conversion between power P and dBm used by WLAN in radiotap's dBm TX power:
- *
- * Lp(dbm) = 10 log10 (P/ 1mW)
- *
- * => P = 1 mW * 10^(Lp(dbm)/10)
- *
- * Unit: [mJ/MB]
- *
- * Interpretation: less is better
- *
- * Examples:
- *
- * LAN: 0
- * WLAN: 89 (600 mW @ 802.11g /w 54 MBit/s)
- * Bluetooth: 267 (100 mW @ BT2.0 EDR /w 3 MBit/s)
- */
- // GNUNET_ATS_COST_ENERGY_CONSUMPTION = 4,
- /**
- * Connect cost
- * How many bytes are transmitted to initiate a new connection using
- * this transport?
- *
- * Unit: [bytes]
- *
- * Interpretation: less is better
- *
- * Examples:
- *
- * UDP (No connection) :
- * 0 bytes
- * TCP (TCP 3-Way handshake):
- * 220 bytes Ethernet, 172 bytes TCP/IP, 122 bytes TCP
- * HTTP (TCP + Header) :
- * 477 bytes Ethernet, 429 bytes TCP/IP, 374 bytes TCP, 278 bytes HTTP
- * HTTPS HTTP+TLS Handshake:
- * 2129 bytes Ethernet, 1975 bytes TCP/IP, 1755 bytes TCP, 1403 bytes HTTPS
- *
- * */
- // GNUNET_ATS_COST_CONNECT = 5,
- /**
- * Bandwidth cost
- *
- * How many bandwidth is available to consume?
- * Used to calculate which impact sending data with this transport has
- *
- * Unit: [kB/s]
- *
- * Interpretation: more is better
- *
- * Examples:
- * LAN: 12,800 (100 MBit/s)
- * WLAN: 6,912 (54 MBit/s)
- * Dial-up: 8 (64 Kbit/s)
- *
- */
- // GNUNET_ATS_COST_BANDWITH_AVAILABLE = 6,
- /**
- * Network overhead
- *
- * How many bytes are sent over the wire when 1 kilobyte (1024 bytes)
- * of application data is transmitted?
- * A factor used with connect cost, bandwidth cost and energy cost
- * to describe the overhead produced by the transport protocol
- *
- * Unit: [bytes/kb]
- *
- * Interpretation: less is better
- *
- * Examples:
- *
- * TCP/IPv4 over Ethernet: 1024 + 38 + 20 + 20 = 1102 [bytes/kb]
- * TCP/IPv6 over Ethernet: 1024 + 38 + 20 + 40 = 1122 [bytes/kb]
- * UDP/IPv4 over Ethernet: 1024 + 38 + 20 + 8 = 1090 [bytes/kb]
- * UDP/IPv6 over Ethernet: 1024 + 38 + 40 + 8 = 1110 [bytes/kb]
- */
- // GNUNET_ATS_COST_NETWORK_OVERHEAD = 7,
- /* Quality related values */
- /* ====================== */
- /* Physical layer quality properties */
- /**
- * Signal strength on physical layer
- *
- * Unit: [dBm]
- */
- // GNUNET_ATS_QUALITY_PHY_SIGNAL_STRENGTH = 1025,
- /**
- * Collision rate on physical layer
- *
- * Unit: [B/s]
- */
- // GNUNET_ATS_QUALITY_PHY_COLLISION_RATE = 1026,
- /**
- * Error rate on physical layer
- *
- * Unit: [B/s]
- */
- // GNUNET_ATS_QUALITY_PHY_ERROR_RATE = 1027,
- /**
- * Jitter
- * Time variations of the delay
- * 1st derivative of a delay function
- *
- * Unit: [ms]
- */
- // GNUNET_ATS_QUALITY_NET_JITTER = 1029,
- /**
- * Error rate on network layer
- *
- * Unit: [B/s]
- *
- * Examples:
- *
- * LAN : 0
- * WLAN : 400
- * Bluetooth : 100
- * Note: This numbers are just assumptions as an example, not
- * measured or somehow determined
- */
- // GNUNET_ATS_QUALITY_NET_ERRORRATE = 1030,
- /**
- * Drop rate on network layer
- * Bytes actively dismissed by a network component during transmission
- * Reasons for dropped data can be full queues, congestion, quota violations...
- *
- * Unit: [B/s]
- *
- * Examples:
- *
- * LAN : 0
- * WLAN : 400
- * Bluetooth : 100
- * Note: This numbers are just assumptions as an example, not
- * measured or somehow determined
- */
- // GNUNET_ATS_QUALITY_NET_DROPRATE = 1031,
- /**
- * Loss rate on network layer
- * Bytes lost during transmission
- * Reasons can be collisions, ...
- *
- * Unit: [B/s]
- *
- * Examples:
- *
- * LAN : 0
- * WLAN : 40
- * Bluetooth : 10
- * Note: This numbers are just assumptions as an example, not measured
- * or somehow determined
- */
- // GNUNET_ATS_QUALITY_NET_LOSSRATE = 1032,
- /**
- * Throughput on network layer
- *
- * Unit: [kB/s]
- *
- * Examples:
- *
- * LAN : 3400
- * WLAN : 1200
- * Dialup: 4
- *
- */
- // GNUNET_ATS_QUALITY_NET_THROUGHPUT = 1033,
- /* Availability related values */
- /* =========================== */
- /**
- * Is a peer reachable?
- */
- // GNUNET_ATS_AVAILABILITY_REACHABLE = 2048,
- /**
- * Is there a connection established to a peer using this transport
- */
- // GNUNET_ATS_AVAILABILITY_CONNECTED = 2049
+/* Cost related values */
+/* =================== */
+/**
+ * Volume based cost in financial units to transmit data
+ *
+ * Note: This value is not bound to a specific currency or unit and only
+ * used locally.
+ * "cent" just refers the smallest amount of money in the respective
+ * currency.
+ *
+ * Unit: [cent/MB]
+ *
+ * Interpretation: less is better
+ *
+ * Examples:
+ * LAN: 0 [cent/MB]
+ * 2G : 10 [cent/MB]
+ */
+// GNUNET_ATS_COST_FINANCIAL_PER_VOLUME = 1,
+/**
+ * Time based cost in financial units to transmit data
+ *
+ * Note: This value is not bound to a specific currency or unit and only
+ * used locally.
+ * "cent" just refers the smallest amount of money in the respective
+ * currency.
+ *
+ * Unit: [cent/h]
+ *
+ * Interpretation: less is better
+ *
+ * Examples:
+ * LAN : 0 [cent/h]
+ * Dialup: 10 [cent/h]
+ */
+// GNUNET_ATS_COST_FINANCIAL_PER_TIME = 2,
+/**
+ * Computational costs
+ *
+ * Effort of preparing data to be sent with this transport
+ * Includes encoding, encryption and conversion of data
+ * Partial values can be summed up: c_sum = c_enc + c_enc + c_conv
+ * Resulting values depend on local system properties, e.g. CPU
+ *
+ * Unit: [ms/GB]
+ *
+ * Interpretation: less is better
+ *
+ * Examples:
+ *
+ * HTTPS with AES CBC-256: 7,382
+ * HTTPS with AES CBC-128: 5,279
+ * HTTPS with RC4-1024: 2,652
+ */
+// GNUNET_ATS_COST_COMPUTATIONAL = 3,
+/**
+ * Energy consumption
+ *
+ * Energy consumption using this transport when sending with a certain
+ * power at a certain bitrate. This is only an approximation based on:
+ * Energy consumption E = P / D
+ *
+ * with:
+ * Power P in Watt (J/s)
+ * Datarate D in MBit/s
+ *
+ * Conversion between power P and dBm used by WLAN in radiotap's dBm TX power:
+ *
+ * Lp(dbm) = 10 log10 (P/ 1mW)
+ *
+ * => P = 1 mW * 10^(Lp(dbm)/10)
+ *
+ * Unit: [mJ/MB]
+ *
+ * Interpretation: less is better
+ *
+ * Examples:
+ *
+ * LAN: 0
+ * WLAN: 89 (600 mW @ 802.11g /w 54 MBit/s)
+ * Bluetooth: 267 (100 mW @ BT2.0 EDR /w 3 MBit/s)
+ */
+// GNUNET_ATS_COST_ENERGY_CONSUMPTION = 4,
+/**
+ * Connect cost
+ * How many bytes are transmitted to initiate a new connection using
+ * this transport?
+ *
+ * Unit: [bytes]
+ *
+ * Interpretation: less is better
+ *
+ * Examples:
+ *
+ * UDP (No connection) :
+ * 0 bytes
+ * TCP (TCP 3-Way handshake):
+ * 220 bytes Ethernet, 172 bytes TCP/IP, 122 bytes TCP
+ * HTTP (TCP + Header) :
+ * 477 bytes Ethernet, 429 bytes TCP/IP, 374 bytes TCP, 278 bytes HTTP
+ * HTTPS HTTP+TLS Handshake:
+ * 2129 bytes Ethernet, 1975 bytes TCP/IP, 1755 bytes TCP, 1403 bytes HTTPS
+ *
+ * */
+// GNUNET_ATS_COST_CONNECT = 5,
+/**
+ * Bandwidth cost
+ *
+ * How many bandwidth is available to consume?
+ * Used to calculate which impact sending data with this transport has
+ *
+ * Unit: [kB/s]
+ *
+ * Interpretation: more is better
+ *
+ * Examples:
+ * LAN: 12,800 (100 MBit/s)
+ * WLAN: 6,912 (54 MBit/s)
+ * Dial-up: 8 (64 Kbit/s)
+ *
+ */
+// GNUNET_ATS_COST_BANDWITH_AVAILABLE = 6,
+/**
+ * Network overhead
+ *
+ * How many bytes are sent over the wire when 1 kilobyte (1024 bytes)
+ * of application data is transmitted?
+ * A factor used with connect cost, bandwidth cost and energy cost
+ * to describe the overhead produced by the transport protocol
+ *
+ * Unit: [bytes/kb]
+ *
+ * Interpretation: less is better
+ *
+ * Examples:
+ *
+ * TCP/IPv4 over Ethernet: 1024 + 38 + 20 + 20 = 1102 [bytes/kb]
+ * TCP/IPv6 over Ethernet: 1024 + 38 + 20 + 40 = 1122 [bytes/kb]
+ * UDP/IPv4 over Ethernet: 1024 + 38 + 20 + 8 = 1090 [bytes/kb]
+ * UDP/IPv6 over Ethernet: 1024 + 38 + 40 + 8 = 1110 [bytes/kb]
+ */
+// GNUNET_ATS_COST_NETWORK_OVERHEAD = 7,
+/* Quality related values */
+/* ====================== */
+/* Physical layer quality properties */
+/**
+ * Signal strength on physical layer
+ *
+ * Unit: [dBm]
+ */
+// GNUNET_ATS_QUALITY_PHY_SIGNAL_STRENGTH = 1025,
+/**
+ * Collision rate on physical layer
+ *
+ * Unit: [B/s]
+ */
+// GNUNET_ATS_QUALITY_PHY_COLLISION_RATE = 1026,
+/**
+ * Error rate on physical layer
+ *
+ * Unit: [B/s]
+ */
+// GNUNET_ATS_QUALITY_PHY_ERROR_RATE = 1027,
+/**
+ * Jitter
+ * Time variations of the delay
+ * 1st derivative of a delay function
+ *
+ * Unit: [ms]
+ */
+// GNUNET_ATS_QUALITY_NET_JITTER = 1029,
+/**
+ * Error rate on network layer
+ *
+ * Unit: [B/s]
+ *
+ * Examples:
+ *
+ * LAN : 0
+ * WLAN : 400
+ * Bluetooth : 100
+ * Note: This numbers are just assumptions as an example, not
+ * measured or somehow determined
+ */
+// GNUNET_ATS_QUALITY_NET_ERRORRATE = 1030,
+/**
+ * Drop rate on network layer
+ * Bytes actively dismissed by a network component during transmission
+ * Reasons for dropped data can be full queues, congestion, quota violations...
+ *
+ * Unit: [B/s]
+ *
+ * Examples:
+ *
+ * LAN : 0
+ * WLAN : 400
+ * Bluetooth : 100
+ * Note: This numbers are just assumptions as an example, not
+ * measured or somehow determined
+ */
+// GNUNET_ATS_QUALITY_NET_DROPRATE = 1031,
+/**
+ * Loss rate on network layer
+ * Bytes lost during transmission
+ * Reasons can be collisions, ...
+ *
+ * Unit: [B/s]
+ *
+ * Examples:
+ *
+ * LAN : 0
+ * WLAN : 40
+ * Bluetooth : 10
+ * Note: This numbers are just assumptions as an example, not measured
+ * or somehow determined
+ */
+// GNUNET_ATS_QUALITY_NET_LOSSRATE = 1032,
+/**
+ * Throughput on network layer
+ *
+ * Unit: [kB/s]
+ *
+ * Examples:
+ *
+ * LAN : 3400
+ * WLAN : 1200
+ * Dialup: 4
+ *
+ */
+// GNUNET_ATS_QUALITY_NET_THROUGHPUT = 1033,
+/* Availability related values */
+/* =========================== */
+/**
+ * Is a peer reachable?
+ */
+// GNUNET_ATS_AVAILABILITY_REACHABLE = 2048,
+/**
+ * Is there a connection established to a peer using this transport
+ */
+// GNUNET_ATS_AVAILABILITY_CONNECTED = 2049
};
/**
*/
#define GNUNET_ATS_QualityPropertiesString {"Delay", "Distance"}
-
GNUNET_NETWORK_STRUCT_BEGIN
/**
};
GNUNET_NETWORK_STRUCT_END
-
/* ******************************** Scheduling API ***************************** */
/**
*/
struct GNUNET_ATS_SuggestHandle;
-
-
/**
* Opaque session handle, defined by plugins. Contents not known to ATS.
*/
struct Session;
-
-
/**
* Signature of a function called by ATS with the current bandwidth
* and address preferences as determined by ATS.
* @param ats performance data for the address (as far as known)
* @param ats_count number of performance records in 'ats'
*/
-typedef void (*GNUNET_ATS_AddressSuggestionCallback) (void *cls,
- const struct
- GNUNET_HELLO_Address *
- address,
- struct Session * session,
- struct
- GNUNET_BANDWIDTH_Value32NBO
- bandwidth_out,
- struct
- GNUNET_BANDWIDTH_Value32NBO
- bandwidth_in,
- const struct
- GNUNET_ATS_Information *
- ats, uint32_t ats_count);
-
+typedef void
+(*GNUNET_ATS_AddressSuggestionCallback) (void *cls,
+ const struct GNUNET_HELLO_Address * address, struct Session * session,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
+ const struct GNUNET_ATS_Information * ats, uint32_t ats_count);
/**
* Initialize the ATS subsystem.
*/
struct GNUNET_ATS_SchedulingHandle *
GNUNET_ATS_scheduling_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
- GNUNET_ATS_AddressSuggestionCallback suggest_cb,
- void *suggest_cb_cls);
-
+ GNUNET_ATS_AddressSuggestionCallback suggest_cb, void *suggest_cb_cls);
/**
* Client is done with ATS scheduling, release resources.
void
GNUNET_ATS_scheduling_done (struct GNUNET_ATS_SchedulingHandle *sh);
-
/**
* We would like to reset the address suggestion block time for this
* peer
*/
void
GNUNET_ATS_reset_backoff (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct GNUNET_PeerIdentity *peer);
+ const struct GNUNET_PeerIdentity *peer);
/**
* We would like to establish a new connection with a peer. ATS
*/
struct GNUNET_ATS_SuggestHandle *
GNUNET_ATS_suggest_address (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct GNUNET_PeerIdentity *peer);
-
+ const struct GNUNET_PeerIdentity *peer);
/**
* We want to cancel ATS suggesting addresses for a peer.
*/
void
GNUNET_ATS_suggest_address_cancel (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct GNUNET_PeerIdentity *peer);
+ const struct GNUNET_PeerIdentity *peer);
/**
* Convert a ATS property to a string
const char *
GNUNET_ATS_print_property_type (uint32_t type);
-
/**
* Convert a GNUNET_ATS_NetworkType to a string
*
*/
struct GNUNET_ATS_Information
GNUNET_ATS_address_get_type (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct sockaddr * addr,
- socklen_t addrlen);
+ const struct sockaddr * addr, socklen_t addrlen);
/**
* Test if a address and a session is known to ATS
*/
int
GNUNET_ATS_session_known (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct GNUNET_HELLO_Address *address,
- struct Session *session);
+ const struct GNUNET_HELLO_Address *address, struct Session *session);
/**
* We have a new address ATS should know. Addresses have to be added with this
*/
int
GNUNET_ATS_address_add (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct GNUNET_HELLO_Address *address,
- struct Session *session,
- const struct GNUNET_ATS_Information *ats,
- uint32_t ats_count);
-
+ const struct GNUNET_HELLO_Address *address, struct Session *session,
+ const struct GNUNET_ATS_Information *ats, uint32_t ats_count);
/**
* We have updated performance statistics for a given address. Note
*/
int
GNUNET_ATS_address_update (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct GNUNET_HELLO_Address *address,
- struct Session *session,
- const struct GNUNET_ATS_Information *ats,
- uint32_t ats_count);
-
+ const struct GNUNET_HELLO_Address *address, struct Session *session,
+ const struct GNUNET_ATS_Information *ats, uint32_t ats_count);
/**
* An address is now in use or not used any more.
*/
void
GNUNET_ATS_address_in_use (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct GNUNET_HELLO_Address *address,
- struct Session *session, int in_use);
-
+ const struct GNUNET_HELLO_Address *address, struct Session *session,
+ int in_use);
/**
* A session got destroyed, stop including it as a valid address.
*/
void
GNUNET_ATS_address_destroyed (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct GNUNET_HELLO_Address *address,
- struct Session *session);
-
+ const struct GNUNET_HELLO_Address *address, struct Session *session);
/* ******************************** Performance API ***************************** */
* @param ats performance data for the address (as far as known)
* @param ats_count number of performance records in 'ats'
*/
-typedef void (*GNUNET_ATS_AddressInformationCallback) (void *cls,
- const struct GNUNET_HELLO_Address *address,
- int address_active,
- struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
- struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
- const struct GNUNET_ATS_Information *ats,
- uint32_t ats_count);
+typedef void
+(*GNUNET_ATS_AddressInformationCallback) (void *cls,
+ const struct GNUNET_HELLO_Address *address, int address_active,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
+ const struct GNUNET_ATS_Information *ats, uint32_t ats_count);
/**
* Handle for an address listing operation
*/
struct GNUNET_ATS_AddressListHandle;
-
/**
* Get handle to access performance API of the ATS subsystem.
*
*/
struct GNUNET_ATS_PerformanceHandle *
GNUNET_ATS_performance_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
- GNUNET_ATS_AddressInformationCallback addr_info_cb,
- void *addr_info_cb_cls);
+ GNUNET_ATS_AddressInformationCallback addr_info_cb, void *addr_info_cb_cls);
/**
* Get information about addresses known to the ATS subsystem.
* @return ats performance context
*/
struct GNUNET_ATS_AddressListHandle *
-GNUNET_ATS_performance_list_addresses (struct GNUNET_ATS_PerformanceHandle *handle,
- const struct GNUNET_PeerIdentity *peer,
- int all,
- GNUNET_ATS_AddressInformationCallback infocb,
- void *infocb_cls);
-
+GNUNET_ATS_performance_list_addresses (
+ struct GNUNET_ATS_PerformanceHandle *handle,
+ const struct GNUNET_PeerIdentity *peer, int all,
+ GNUNET_ATS_AddressInformationCallback infocb, void *infocb_cls);
/**
* Cancel a pending address listing operation
* @param handle the GNUNET_ATS_AddressListHandle handle to cancel
*/
void
-GNUNET_ATS_performance_list_addresses_cancel (struct GNUNET_ATS_AddressListHandle *handle);
-
+GNUNET_ATS_performance_list_addresses_cancel (
+ struct GNUNET_ATS_AddressListHandle *handle);
/**
* Client is done using the ATS performance subsystem, release resources.
void
GNUNET_ATS_performance_done (struct GNUNET_ATS_PerformanceHandle *ph);
-
/**
* Function called with reservation result.
*
* @param res_delay if the reservation could not be satisfied (amount was 0), how
* long should the client wait until re-trying?
*/
-typedef void (*GNUNET_ATS_ReservationCallback) (void *cls,
- const struct GNUNET_PeerIdentity
- * peer, int32_t amount,
- struct GNUNET_TIME_Relative
- res_delay);
-
-
+typedef void
+(*GNUNET_ATS_ReservationCallback) (void *cls,
+ const struct GNUNET_PeerIdentity * peer, int32_t amount,
+ struct GNUNET_TIME_Relative res_delay);
/**
* Context that can be used to cancel a peer information request.
*/
struct GNUNET_ATS_ReservationContext;
-
/**
* Reserve inbound bandwidth from the given peer. ATS will look at
* the current amount of traffic we receive from the peer and ensure
*/
struct GNUNET_ATS_ReservationContext *
GNUNET_ATS_reserve_bandwidth (struct GNUNET_ATS_PerformanceHandle *ph,
- const struct GNUNET_PeerIdentity *peer,
- int32_t amount,
- GNUNET_ATS_ReservationCallback rcb,
- void *rcb_cls);
-
+ const struct GNUNET_PeerIdentity *peer, int32_t amount,
+ GNUNET_ATS_ReservationCallback rcb, void *rcb_cls);
/**
* Cancel request for reserving bandwidth.
void
GNUNET_ATS_reserve_bandwidth_cancel (struct GNUNET_ATS_ReservationContext *rc);
-
/**
* Number of preference types supported by ATS
*/
*/
#define GNUNET_ATS_PreferenceTypeString {"END", "BANDWIDTH", "LATENCY"}
-
/**
* Enum defining all known preference categories.
*/
* @param ... 0-terminated specification of the desired changes
*/
void
-GNUNET_ATS_performance_change_preference (struct GNUNET_ATS_PerformanceHandle *ph,
- const struct GNUNET_PeerIdentity *peer, ...);
-
+GNUNET_ATS_performance_change_preference (
+ struct GNUNET_ATS_PerformanceHandle *ph,
+ const struct GNUNET_PeerIdentity *peer, ...);
/**
- * Send feedback to ATS on how good a the requirements for a peer and a
- * preference is satisfied by ATS
+ * Application feedback on how good preference requirements are fulfilled
+ * for the preferences included in the given time scope [now - scope .. now]
+ *
+ * An application notifies ATS if (and only if) it has feedback information
+ * for specific properties. This values are valid until the feedback scores are
+ * updated by the application.
+ *
+ * If the application has no feedback for this preference kind the application
+ * will not explicitly call for this property and will not include it in this
+ * function call.
*
* @param ph performance handle
* @param scope the time interval this valid for: [now - scope .. now]
*/
void
GNUNET_ATS_performance_give_feedback (struct GNUNET_ATS_PerformanceHandle *ph,
- const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_TIME_Relative scope, ...);
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_TIME_Relative scope, ...);
#endif
/* end of file gnunet-service-transport_ats.h */
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