GNUnet  0.11.x
Functions | Variables
gnunet-service-ats_plugins.c File Reference

ats service plugin management More...

#include "platform.h"
#include "gnunet_ats_plugin.h"
#include "gnunet-service-ats_connectivity.h"
#include "gnunet-service-ats_performance.h"
#include "gnunet-service-ats_preferences.h"
#include "gnunet-service-ats_plugins.h"
#include "gnunet-service-ats_reservations.h"
#include "gnunet-service-ats_scheduling.h"
#include "gnunet-service-ats_normalization.h"
Include dependency graph for gnunet-service-ats_plugins.c:

Go to the source code of this file.

Functions

void GAS_plugin_notify_preference_changed (const struct GNUNET_PeerIdentity *peer, enum GNUNET_ATS_PreferenceKind kind, double pref_rel)
 The preference changed for a peer, update solver. More...
 
void GAS_plugin_notify_property_changed (struct ATS_Address *address)
 The relative value for a property changed. More...
 
static void solver_info_cb (void *cls, enum GAS_Solver_Operation op, enum GAS_Solver_Status status, enum GAS_Solver_Additional_Information add)
 Solver information callback. More...
 
static void bandwidth_changed_cb (void *cls, struct ATS_Address *address)
 Callback for solver to notify about assignment changes. More...
 
static unsigned long long parse_quota (const char *quota_str, const char *direction, enum GNUNET_NetworkType network)
 Convert quota from text to numeric value. More...
 
static unsigned long long load_quota (const struct GNUNET_CONFIGURATION_Handle *cfg, enum GNUNET_NetworkType type, const char *direction)
 Load quota value from the configuration cfg for the given network type and direction. More...
 
static unsigned int load_quotas (const struct GNUNET_CONFIGURATION_Handle *cfg, unsigned long long *out_dest, unsigned long long *in_dest, int dest_length)
 Load quotas for networks from configuration. More...
 
int GAS_plugin_init (const struct GNUNET_CONFIGURATION_Handle *cfg)
 Initialize plugins subsystem. More...
 
void GAS_plugin_done ()
 Shutdown address subsystem. More...
 
void GAS_plugin_new_address (struct ATS_Address *new_address)
 Tell the solver that the given address can now be used for talking to the respective peer. More...
 
void GAS_plugin_delete_address (struct ATS_Address *address)
 Tell the solver that the given address is no longer valid can cannot be used any longer. More...
 
void GAS_plugin_notify_feedback (struct GNUNET_SERVICE_Client *application, const struct GNUNET_PeerIdentity *peer, const struct GNUNET_TIME_Relative scope, enum GNUNET_ATS_PreferenceKind kind, float score_abs)
 Tell the solver that the given client has expressed its appreciation for the past performance of a given connection. More...
 
void GAS_plugin_solver_lock ()
 Stop instant solving, there are many state updates happening in bulk right now. More...
 
void GAS_plugin_solver_unlock ()
 Resume instant solving, we are done with the bulk state updates. More...
 
void GAS_plugin_request_connect_start (const struct GNUNET_PeerIdentity *pid)
 Notify the plugin that a request to connect to a particular peer was given to us. More...
 
void GAS_plugin_request_connect_stop (const struct GNUNET_PeerIdentity *pid)
 Notify the plugin that a request to connect to a particular peer was dropped. More...
 

Variables

static struct GNUNET_ATS_SolverFunctionssf
 Solver handle. More...
 
static struct GNUNET_ATS_PluginEnvironment env
 Solver environment. More...
 
static char * plugin
 Solver plugin name as string. More...
 

Detailed Description

ats service plugin management

Author
Matthias Wachs
Christian Grothoff

Definition in file gnunet-service-ats_plugins.c.

Function Documentation

◆ GAS_plugin_notify_preference_changed()

void GAS_plugin_notify_preference_changed ( const struct GNUNET_PeerIdentity peer,
enum GNUNET_ATS_PreferenceKind  kind,
double  pref_rel 
)

The preference changed for a peer, update solver.

Parameters
peerthe peer
kindthe ATS kind
pref_relthe new relative preference value

Definition at line 62 of file gnunet-service-ats_plugins.c.

65 {
66  sf->s_pref (sf->cls,
67  peer,
68  kind,
69  pref_rel);
70 }
static struct GNUNET_ATS_SolverFunctions * sf
Solver handle.
void * cls
Closure to pass to all solver functions in this struct.
GAS_solver_address_change_preference s_pref
Change relative preference for quality in solver.
struct GNUNET_TESTBED_Peer * peer
The peer associated with this model.

References GNUNET_ATS_SolverFunctions::cls, peer, GNUNET_ATS_SolverFunctions::s_pref, and sf.

Referenced by update_relative_values_for_peer().

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◆ GAS_plugin_notify_property_changed()

void GAS_plugin_notify_property_changed ( struct ATS_Address address)

The relative value for a property changed.

Parameters
addressthe peer for which a property changed

Definition at line 79 of file gnunet-service-ats_plugins.c.

80 {
82  address);
83 }
static char * address
GNS address for this phone.
GAS_solver_address_property_changed s_address_update_property
Update the properties of an address in the solver.

References address, GNUNET_ATS_SolverFunctions::cls, GNUNET_ATS_SolverFunctions::s_address_update_property, and sf.

Referenced by notify_change().

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◆ solver_info_cb()

static void solver_info_cb ( void *  cls,
enum GAS_Solver_Operation  op,
enum GAS_Solver_Status  status,
enum GAS_Solver_Additional_Information  add 
)
static

Solver information callback.

Parameters
clsthe closure
opthe operation
statusoperation status
addadditional information

Definition at line 95 of file gnunet-service-ats_plugins.c.

99 {
100  const char *add_info;
101 
102  switch (add)
103  {
104  case GAS_INFO_NONE:
105  add_info = "GAS_INFO_NONE";
106  break;
107 
108  case GAS_INFO_FULL:
109  add_info = "GAS_INFO_MLP_FULL";
110  break;
111 
112  case GAS_INFO_UPDATED:
113  add_info = "GAS_INFO_MLP_UPDATED";
114  break;
115 
116  case GAS_INFO_PROP_ALL:
117  add_info = "GAS_INFO_PROP_ALL";
118  break;
119 
121  add_info = "GAS_INFO_PROP_SINGLE";
122  break;
123 
124  default:
125  add_info = "INVALID";
126  break;
127  }
128  switch (op)
129  {
130  case GAS_OP_SOLVE_START:
132  "Solver notifies `%s' with result `%s' `%s'\n",
133  "GAS_OP_SOLVE_START",
134  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL",
135  add_info);
136  return;
137 
138  case GAS_OP_SOLVE_STOP:
140  "Solver notifies `%s' with result `%s'\n",
141  "GAS_OP_SOLVE_STOP",
142  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL");
143  return;
144 
147  "Solver notifies `%s' with result `%s'\n",
148  "GAS_OP_SOLVE_SETUP_START",
149  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL");
150  return;
151 
154  "Solver notifies `%s' with result `%s'\n",
155  "GAS_OP_SOLVE_SETUP_STOP",
156  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL");
157  return;
158 
161  "Solver notifies `%s' with result `%s'\n",
162  "GAS_OP_SOLVE_LP_START",
163  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL");
164  return;
165 
168  "Solver notifies `%s' with result `%s'\n",
169  "GAS_OP_SOLVE_LP_STOP",
170  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL");
171  return;
172 
175  "Solver notifies `%s' with result `%s'\n",
176  "GAS_OP_SOLVE_MLP_START",
177  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL");
178  return;
179 
182  "Solver notifies `%s' with result `%s'\n",
183  "GAS_OP_SOLVE_MLP_STOP",
184  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL");
185  return;
186 
189  "Solver notifies `%s' with result `%s'\n",
190  "GAS_OP_SOLVE_UPDATE_NOTIFICATION_START",
191  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL");
192  return;
193 
196  "Solver notifies `%s' with result `%s'\n",
197  "GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP",
198  (GAS_STAT_SUCCESS == status) ? "SUCCESS" : "FAIL");
199  return;
200 
201  default:
202  GNUNET_break (0);
203  break;
204  }
205 }
static struct GNUNET_ARM_Operation * op
Current operation.
Definition: gnunet-arm.c:144
uint16_t status
See PRISM_STATUS_*-constants.
static int add
Desired action is to add a record.
#define GNUNET_log(kind,...)
@ GAS_STAT_SUCCESS
Success.
@ GAS_OP_SOLVE_UPDATE_NOTIFICATION_START
After the problem was finished, start notifications about changes to addresses.
@ GAS_OP_SOLVE_MLP_LP_STOP
Solving of the LP problem is done MLP solver only.
@ GAS_OP_SOLVE_START
A solution iteration has been started.
@ GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP
After the problem was finished, notifications about changes to addresses are done.
@ GAS_OP_SOLVE_MLP_LP_START
Solving of the LP problem was started MLP solver only.
@ GAS_OP_SOLVE_SETUP_STOP
The setup of the problem as a preparation to solve is finished.
@ GAS_OP_SOLVE_MLP_MLP_STOP
Solving of the MLP problem is done MLP solver only.
@ GAS_OP_SOLVE_SETUP_START
The setup of the problem as a preparation to solve it was started.
@ GAS_OP_SOLVE_MLP_MLP_START
Solving of the MLP problem was started MLP solver only.
@ GAS_OP_SOLVE_STOP
A solution iteration has been finished.
@ GAS_INFO_PROP_ALL
The proportional solver had to recalculate for all networks.
@ GAS_INFO_PROP_SINGLE
The proportional solver had to recalculate for a single network.
@ GAS_INFO_UPDATED
An existing solution was reused Quite specific to the MLP solver.
@ GAS_INFO_NONE
No more specific information.
@ GAS_INFO_FULL
A full solution process is performed Quite specific to the MLP solver.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
@ GNUNET_ERROR_TYPE_DEBUG

References add, GAS_INFO_FULL, GAS_INFO_NONE, GAS_INFO_PROP_ALL, GAS_INFO_PROP_SINGLE, GAS_INFO_UPDATED, GAS_OP_SOLVE_MLP_LP_START, GAS_OP_SOLVE_MLP_LP_STOP, GAS_OP_SOLVE_MLP_MLP_START, GAS_OP_SOLVE_MLP_MLP_STOP, GAS_OP_SOLVE_SETUP_START, GAS_OP_SOLVE_SETUP_STOP, GAS_OP_SOLVE_START, GAS_OP_SOLVE_STOP, GAS_OP_SOLVE_UPDATE_NOTIFICATION_START, GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP, GAS_STAT_SUCCESS, GNUNET_break, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, op, and status.

Referenced by GAS_plugin_init().

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◆ bandwidth_changed_cb()

static void bandwidth_changed_cb ( void *  cls,
struct ATS_Address address 
)
static

Callback for solver to notify about assignment changes.

Parameters
clsNULL
addressthe address with changes

Definition at line 215 of file gnunet-service-ats_plugins.c.

217 {
218  long long diff_out;
219  long long diff_in;
220 
222  "Bandwidth assignment changed for peer %s to %u/%u\n",
223  GNUNET_i2s (&address->peer),
224  (unsigned int) address->assigned_bw_in,
225  (unsigned int) address->assigned_bw_out);
228  address->assigned_bw_in));
229  /* Notify performance clients about changes to address */
231  address->plugin,
232  address->addr,
233  address->addr_len,
234  address->active,
235  &address->properties,
236  address->local_address_info,
238  address->assigned_bw_out),
240  address->assigned_bw_in));
241 
242  if ((0 == address->assigned_bw_in) &&
243  (0 == address->assigned_bw_out))
244  {
246  "Telling transport to disconnect peer `%s'\n",
247  GNUNET_i2s (&address->peer));
248 
249  /* Notify scheduling clients about suggestion */
251  address->session_id,
254  return;
255  }
256 
257  /* Do bandwidth stability check */
258  diff_out = llabs ((long long) address->assigned_bw_out
259  - (long long) address->last_notified_bw_out);
260  diff_in = llabs ((long long) address->assigned_bw_in
261  - (long long) address->last_notified_bw_in);
262  if ((diff_out < htonl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__)) &&
263  (diff_in < htonl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__)))
264  {
266  "Bandwidth change too small, not notifying client\n");
267  return;
268  }
269 
271  "Sending bandwidth update for peer `%s': %u/%u\n",
272  GNUNET_i2s (&address->peer),
273  address->assigned_bw_out,
274  address->assigned_bw_out);
275 
276  /* *Notify scheduling clients about suggestion */
278  address->session_id,
280  address->assigned_bw_out),
282  address->assigned_bw_in));
283 
284  address->last_notified_bw_out = address->assigned_bw_out;
285  address->last_notified_bw_in = address->assigned_bw_in;
286 }
void GAS_performance_notify_all_clients(const struct GNUNET_PeerIdentity *peer, const char *plugin_name, const void *plugin_addr, size_t plugin_addr_len, int active, const struct GNUNET_ATS_Properties *prop, enum GNUNET_HELLO_AddressInfo local_address_info, struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out, struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in)
Transmit the given performance information to all performance clients.
void GAS_reservations_set_bandwidth(const struct GNUNET_PeerIdentity *peer, struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in)
Set the amount of bandwidth the other peer could currently transmit to us (as far as we know) to the ...
void GAS_scheduling_transmit_address_suggestion(const struct GNUNET_PeerIdentity *peer, uint32_t session_id, struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out, struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in)
Transmit the given address suggestion and bandwidth update to all scheduling clients.
#define GNUNET_BANDWIDTH_ZERO
Convenience definition to use for 0-bandwidth.
struct GNUNET_BANDWIDTH_Value32NBO GNUNET_BANDWIDTH_value_init(uint32_t bytes_per_second)
Create a new bandwidth value.
Definition: bandwidth.c:39
#define GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT
Bandwidth (in/out) to assume initially (before either peer has communicated any particular preference...
const char * GNUNET_i2s(const struct GNUNET_PeerIdentity *pid)
Convert a peer identity to a string (for printing debug messages).

References address, GAS_performance_notify_all_clients(), GAS_reservations_set_bandwidth(), GAS_scheduling_transmit_address_suggestion(), GNUNET_BANDWIDTH_value_init(), GNUNET_BANDWIDTH_ZERO, GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT, GNUNET_ERROR_TYPE_DEBUG, GNUNET_i2s(), and GNUNET_log.

Referenced by GAS_plugin_init().

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◆ parse_quota()

static unsigned long long parse_quota ( const char *  quota_str,
const char *  direction,
enum GNUNET_NetworkType  network 
)
static

Convert quota from text to numeric value.

Parameters
quota_strthe value found in the configuration
directiondirection of the quota
networknetwork the quota applies to
Returns
numeric quota value to use

Definition at line 298 of file gnunet-service-ats_plugins.c.

301 {
302  int res;
303  unsigned long long ret;
304 
305  res = GNUNET_NO;
306  if (0 == strcmp (quota_str, GNUNET_ATS_MaxBandwidthString))
307  {
309  res = GNUNET_YES;
310  }
311  if ((GNUNET_NO == res) &&
312  (GNUNET_OK ==
314  &ret)))
315  res = GNUNET_YES;
316  if ((GNUNET_NO == res) &&
317  (1 ==
318  sscanf (quota_str,
319  "%llu",
320  &ret)))
321  res = GNUNET_YES;
322  if (GNUNET_NO == res)
323  {
325  _ (
326  "Could not load %s quota for network `%s': `%s', assigning default bandwidth %llu\n"),
327  direction,
328  GNUNET_NT_to_string (network),
329  quota_str,
330  (unsigned long long) GNUNET_ATS_DefaultBandwidth);
332  }
333  else
334  {
336  _ ("%s quota configured for network `%s' is %llu\n"),
337  direction,
338  GNUNET_NT_to_string (network),
339  ret);
340  }
341  return ret;
342 }
static int ret
Return value of the commandline.
Definition: gnunet-abd.c:81
enum GNUNET_ABD_AlgoDirectionFlags direction
API enum, filled and passed for collect/verify.
Definition: gnunet-abd.c:172
static int res
@ GNUNET_OK
Definition: gnunet_common.h:95
@ GNUNET_YES
Definition: gnunet_common.h:97
@ GNUNET_NO
Definition: gnunet_common.h:94
#define GNUNET_ATS_DefaultBandwidth
Default bandwidth assigned to a network : 64 KB/s.
#define GNUNET_ATS_MaxBandwidth
Maximum bandwidth assigned to a network : 4095 MB/s.
#define GNUNET_ATS_MaxBandwidthString
Textual equivalent for GNUNET_ATS_MaxBandwidth.
@ GNUNET_ERROR_TYPE_ERROR
@ GNUNET_ERROR_TYPE_INFO
const char * GNUNET_NT_to_string(enum GNUNET_NetworkType net)
Convert a enum GNUNET_NetworkType to a string.
Definition: nt.c:44
int GNUNET_STRINGS_fancy_size_to_bytes(const char *fancy_size, unsigned long long *size)
Convert a given fancy human-readable size to bytes.
Definition: strings.c:260
#define _(String)
GNU gettext support macro.
Definition: platform.h:177

References _, direction, GNUNET_ATS_DefaultBandwidth, GNUNET_ATS_MaxBandwidth, GNUNET_ATS_MaxBandwidthString, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_INFO, GNUNET_log, GNUNET_NO, GNUNET_NT_to_string(), GNUNET_OK, GNUNET_STRINGS_fancy_size_to_bytes(), GNUNET_YES, res, and ret.

Referenced by load_quota().

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◆ load_quota()

static unsigned long long load_quota ( const struct GNUNET_CONFIGURATION_Handle cfg,
enum GNUNET_NetworkType  type,
const char *  direction 
)
static

Load quota value from the configuration cfg for the given network type and direction.

Parameters
cfgconfiguration to parse
typenetwork type to parse for
directiontraffic direction to parse for
Returns
quota to apply

Definition at line 355 of file gnunet-service-ats_plugins.c.

358 {
359  char *entry;
360  char *quota_str;
361  unsigned long long ret;
362 
363  GNUNET_asprintf (&entry,
364  "%s_QUOTA_%s",
366  direction);
367  if (GNUNET_OK ==
369  "ats",
370  entry,
371  &quota_str))
372  {
373  ret = parse_quota (quota_str,
374  direction,
375  type);
376  GNUNET_free (quota_str);
377  }
378  else
379  {
381  _ (
382  "No %s-quota configured for network `%s', assigning default bandwidth %llu\n"),
383  direction,
385  (unsigned long long) GNUNET_ATS_DefaultBandwidth);
387  }
388  GNUNET_free (entry);
389  return ret;
390 }
static const struct GNUNET_CONFIGURATION_Handle * cfg
Configuration we are using.
Definition: gnunet-abd.c:36
static unsigned long long parse_quota(const char *quota_str, const char *direction, enum GNUNET_NetworkType network)
Convert quota from text to numeric value.
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_get_value_string(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, char **value)
Get a configuration value that should be a string.
int int GNUNET_asprintf(char **buf, const char *format,...) __attribute__((format(printf
Like asprintf, just portable.
#define GNUNET_free(ptr)
Wrapper around free.
enum GNUNET_TESTBED_UnderlayLinkModelType type
the type of this model

References _, cfg, direction, GNUNET_asprintf(), GNUNET_ATS_DefaultBandwidth, GNUNET_CONFIGURATION_get_value_string(), GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_log, GNUNET_NT_to_string(), GNUNET_OK, parse_quota(), ret, and type.

Referenced by load_quotas().

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◆ load_quotas()

static unsigned int load_quotas ( const struct GNUNET_CONFIGURATION_Handle cfg,
unsigned long long *  out_dest,
unsigned long long *  in_dest,
int  dest_length 
)
static

Load quotas for networks from configuration.

Parameters
cfgconfiguration handle
out_destwhere to write outbound quotas
in_destwhere to write inbound quotas
dest_lengthlength of inbound and outbound arrays
Returns
number of networks loaded

Definition at line 403 of file gnunet-service-ats_plugins.c.

407 {
408  unsigned int c;
409 
410  for (c = 0; (c < GNUNET_NT_COUNT) && (c < dest_length); c++)
411  {
412  in_dest[c] = load_quota (cfg,
413  c,
414  "out");
415  out_dest[c] = load_quota (cfg,
416  c,
417  "in");
419  "Loaded quota for network `%s' (in/out): %llu %llu\n",
421  in_dest[c],
422  out_dest[c]);
423  }
424  return c;
425 }
static unsigned long long load_quota(const struct GNUNET_CONFIGURATION_Handle *cfg, enum GNUNET_NetworkType type, const char *direction)
Load quota value from the configuration cfg for the given network type and direction.
#define GNUNET_NT_COUNT

References cfg, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NT_COUNT, GNUNET_NT_to_string(), and load_quota().

Referenced by GAS_plugin_init().

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◆ GAS_plugin_init()

int GAS_plugin_init ( const struct GNUNET_CONFIGURATION_Handle cfg)

Initialize plugins subsystem.

Initialize address subsystem.

Parameters
cfgconfiguration to use
Returns
GNUNET_OK on success, GNUNET_SYSERR on error (failed to load solver plugin)

Definition at line 436 of file gnunet-service-ats_plugins.c.

437 {
438  char *mode_str;
439 
440  /* Figure out configured solution method */
441  if (GNUNET_SYSERR ==
443  "ats",
444  "MODE",
445  &mode_str))
446  {
448  "No resource assignment method configured, using proportional approach\n");
449  mode_str = GNUNET_strdup ("proportional");
450  }
451  env.cls = NULL;
456  env.cfg = cfg;
457  env.stats = GSA_stats;
460  load_quotas (cfg,
461  env.out_quota,
462  env.in_quota,
465  "libgnunet_plugin_ats_%s",
466  mode_str);
468  "Initializing solver `%s'\n",
469  mode_str);
470  GNUNET_free (mode_str);
471  if (NULL == (sf = GNUNET_PLUGIN_load (plugin, &env)))
472  {
474  _ ("Failed to initialize solver `%s'!\n"),
475  plugin);
476  return GNUNET_SYSERR;
477  }
478  return GNUNET_OK;
479 }
struct GNUNET_STATISTICS_Handle * GSA_stats
Handle for statistics.
struct GNUNET_CONTAINER_MultiPeerMap * GSA_addresses
A multihashmap to store all addresses.
unsigned int GAS_connectivity_has_peer(void *cls, const struct GNUNET_PeerIdentity *peer)
Is the given peer in the list of peers for which we have an address request?
static unsigned int load_quotas(const struct GNUNET_CONFIGURATION_Handle *cfg, unsigned long long *out_dest, unsigned long long *in_dest, int dest_length)
Load quotas for networks from configuration.
static void bandwidth_changed_cb(void *cls, struct ATS_Address *address)
Callback for solver to notify about assignment changes.
static char * plugin
Solver plugin name as string.
static struct GNUNET_ATS_PluginEnvironment env
Solver environment.
static void solver_info_cb(void *cls, enum GAS_Solver_Operation op, enum GAS_Solver_Status status, enum GAS_Solver_Additional_Information add)
Solver information callback.
const double * GAS_preference_get_by_peer(void *cls, const struct GNUNET_PeerIdentity *id)
Get the normalized preference values for a specific peer or the default values if.
@ GNUNET_SYSERR
Definition: gnunet_common.h:93
@ GNUNET_ERROR_TYPE_WARNING
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
void * GNUNET_PLUGIN_load(const char *library_name, void *arg)
Setup plugin (runs the "init" callback and returns whatever "init" returned).
Definition: plugin.c:217
void * cls
Closure to pass to all callbacks in this struct.
GAS_solver_information_callback info_cb
Callback for solver to call with status information, can be NULL.
GAS_get_preferences get_preferences
ATS addresses function to obtain preference values.
unsigned long long in_quota[6]
Array of configured inbound quotas Order according to networks in network array.
struct GNUNET_CONTAINER_MultiPeerMap * addresses
Hashmap containing all addresses available.
const struct GNUNET_CONFIGURATION_Handle * cfg
Configuration handle to be used by the solver.
GAS_get_connectivity get_connectivity
ATS addresses function to obtain preference values.
unsigned int network_count
Number of networks available, size of the out_quota and in_quota arrays.
GAS_bandwidth_changed_cb bandwidth_changed_cb
ATS addresses callback to be notified about bandwidth assignment changes.
struct GNUNET_STATISTICS_Handle * stats
Statistics handle to be used by the solver.
unsigned long long out_quota[6]
Array of configured outbound quotas Order according to networks in network array.

References _, GNUNET_ATS_PluginEnvironment::addresses, bandwidth_changed_cb(), GNUNET_ATS_PluginEnvironment::bandwidth_changed_cb, cfg, GNUNET_ATS_PluginEnvironment::cfg, GNUNET_ATS_PluginEnvironment::cls, env, GAS_connectivity_has_peer(), GAS_preference_get_by_peer(), GNUNET_ATS_PluginEnvironment::get_connectivity, GNUNET_ATS_PluginEnvironment::get_preferences, GNUNET_asprintf(), GNUNET_CONFIGURATION_get_value_string(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_WARNING, GNUNET_free, GNUNET_log, GNUNET_NT_COUNT, GNUNET_OK, GNUNET_PLUGIN_load(), GNUNET_strdup, GNUNET_SYSERR, GSA_addresses, GSA_stats, GNUNET_ATS_PluginEnvironment::in_quota, GNUNET_ATS_PluginEnvironment::info_cb, load_quotas(), GNUNET_ATS_PluginEnvironment::network_count, GNUNET_ATS_PluginEnvironment::out_quota, plugin, sf, solver_info_cb(), and GNUNET_ATS_PluginEnvironment::stats.

Referenced by run().

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◆ GAS_plugin_done()

void GAS_plugin_done ( void  )

Shutdown address subsystem.

Definition at line 486 of file gnunet-service-ats_plugins.c.

487 {
489  sf);
490  sf = NULL;
492  plugin = NULL;
493 }
void * GNUNET_PLUGIN_unload(const char *library_name, void *arg)
Unload plugin (runs the "done" callback and returns whatever "done" returned).
Definition: plugin.c:269

References GNUNET_free, GNUNET_PLUGIN_unload(), plugin, and sf.

Referenced by cleanup_task().

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◆ GAS_plugin_new_address()

void GAS_plugin_new_address ( struct ATS_Address new_address)

Tell the solver that the given address can now be used for talking to the respective peer.

Parameters
new_addressthe new address

Definition at line 503 of file gnunet-service-ats_plugins.c.

504 {
505  sf->s_add (sf->cls,
506  new_address,
507  new_address->properties.scope); /* FIXME: remove 3rd arg here! */
508 }
struct GNUNET_ATS_Properties properties
ATS performance information for this address.
enum GNUNET_NetworkType scope
Which network scope does the respective address belong to? This property does not change.
GAS_solver_address_add s_add
Add a new address for a peer to the solver.

References GNUNET_ATS_SolverFunctions::cls, ATS_Address::properties, GNUNET_ATS_SolverFunctions::s_add, GNUNET_ATS_Properties::scope, and sf.

Referenced by GAS_addresses_add().

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◆ GAS_plugin_delete_address()

void GAS_plugin_delete_address ( struct ATS_Address address)

Tell the solver that the given address is no longer valid can cannot be used any longer.

Parameters
addressaddress that was deleted

Definition at line 518 of file gnunet-service-ats_plugins.c.

519 {
520  sf->s_del (sf->cls,
521  address);
522 }
GAS_solver_address_delete s_del
Delete an address in the solver.

References address, GNUNET_ATS_SolverFunctions::cls, GNUNET_ATS_SolverFunctions::s_del, and sf.

Referenced by free_address().

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◆ GAS_plugin_notify_feedback()

void GAS_plugin_notify_feedback ( struct GNUNET_SERVICE_Client application,
const struct GNUNET_PeerIdentity peer,
const struct GNUNET_TIME_Relative  scope,
enum GNUNET_ATS_PreferenceKind  kind,
float  score_abs 
)

Tell the solver that the given client has expressed its appreciation for the past performance of a given connection.

Parameters
applicationclient providing the feedback
peerpeer the feedback is about
scopetimeframe the feedback applies to
kindperformance property the feedback relates to
score_absdegree of the appreciation

Definition at line 536 of file gnunet-service-ats_plugins.c.

541 {
542  sf->s_feedback (sf->cls,
543  application,
544  peer,
545  scope,
546  kind,
547  score_abs);
548 }
static enum GNUNET_NetworkType scope
Which network scope do we belong to?
GAS_solver_address_feedback_preference s_feedback
Give feedback about the current assignment.

References GNUNET_ATS_SolverFunctions::cls, peer, GNUNET_ATS_SolverFunctions::s_feedback, scope, and sf.

Referenced by handle_feedback().

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◆ GAS_plugin_solver_lock()

void GAS_plugin_solver_lock ( void  )

Stop instant solving, there are many state updates happening in bulk right now.

Definition at line 556 of file gnunet-service-ats_plugins.c.

557 {
558  sf->s_bulk_start (sf->cls);
559 }
GAS_solver_bulk_start s_bulk_start
Start a bulk operation.

References GNUNET_ATS_SolverFunctions::cls, GNUNET_ATS_SolverFunctions::s_bulk_start, and sf.

Referenced by GAS_addresses_add(), GAS_addresses_destroy_all(), GAS_addresses_done(), GAS_connectivity_done(), GAS_handle_preference_change(), GAS_normalization_update_property(), and preference_aging().

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◆ GAS_plugin_solver_unlock()

void GAS_plugin_solver_unlock ( void  )

Resume instant solving, we are done with the bulk state updates.

Definition at line 566 of file gnunet-service-ats_plugins.c.

567 {
568  sf->s_bulk_stop (sf->cls);
569 }
GAS_solver_bulk_stop s_bulk_stop
Bulk operation done.

References GNUNET_ATS_SolverFunctions::cls, GNUNET_ATS_SolverFunctions::s_bulk_stop, and sf.

Referenced by GAS_addresses_add(), GAS_addresses_destroy_all(), GAS_addresses_done(), GAS_connectivity_done(), GAS_handle_preference_change(), GAS_normalization_update_property(), and preference_aging().

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◆ GAS_plugin_request_connect_start()

void GAS_plugin_request_connect_start ( const struct GNUNET_PeerIdentity pid)

Notify the plugin that a request to connect to a particular peer was given to us.

Parameters
pididentity of peer we now care about

Definition at line 579 of file gnunet-service-ats_plugins.c.

580 {
581  sf->s_get (sf->cls,
582  pid);
583 }
static struct GNUNET_PeerIdentity pid
Identity of the peer we transmit to / connect to.
GAS_solver_get_preferred_address s_get
Tell solver to notify ATS if the address to use changes for a specific peer using the bandwidth chang...

References GNUNET_ATS_SolverFunctions::cls, pid, GNUNET_ATS_SolverFunctions::s_get, and sf.

Referenced by GAS_handle_request_address().

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◆ GAS_plugin_request_connect_stop()

void GAS_plugin_request_connect_stop ( const struct GNUNET_PeerIdentity pid)

Notify the plugin that a request to connect to a particular peer was dropped.

Parameters
pididentity of peer we care now less about

Definition at line 593 of file gnunet-service-ats_plugins.c.

594 {
595  sf->s_get_stop (sf->cls,
596  pid);
597 }
GAS_solver_stop_get_preferred_address s_get_stop
Tell solver stop notifying ATS about changes for this peers.

References GNUNET_ATS_SolverFunctions::cls, pid, GNUNET_ATS_SolverFunctions::s_get_stop, and sf.

Referenced by free_matching_requests().

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Variable Documentation

◆ sf

struct GNUNET_ATS_SolverFunctions* sf
static

◆ env

struct GNUNET_ATS_PluginEnvironment env
static

Solver environment.

Definition at line 41 of file gnunet-service-ats_plugins.c.

Referenced by GAS_plugin_init().

◆ plugin

char* plugin
static

Solver plugin name as string.

Definition at line 51 of file gnunet-service-ats_plugins.c.

Referenced by GAS_plugin_done(), and GAS_plugin_init().