* @param version full version string
* @param major pointer to parsed major value
* @param minor pointer to parsed minor value
- * @return #GNUNET_OK if parsing went ok, #GNUNET_SYSERROR in case of error
+ * @return #GNUNET_OK if parsing went ok, #GNUNET_SYSERR in case of error
*/
static int
-version_parse(char *version, uint16_t *major, uint16_t *minor)
+version_parse (char *version, uint16_t * major, uint16_t * minor)
{
int majorval = 0;
int minorval = 0;
- for(; isdigit(*version); version++)
+ for (; isdigit (*version); version++)
{
majorval *= 10;
majorval += *version - '0';
}
- if(*version != '.')
+ if (*version != '.')
return GNUNET_SYSERR;
version++;
- for(; isdigit(*version); version++)
+ for (; isdigit (*version); version++)
{
minorval *= 10;
minorval += *version - '0';
}
- if(*version != 0)
+ if (*version != 0)
return GNUNET_SYSERR;
*major = majorval;
*minor = minorval;
return GNUNET_OK;
}
+
/**
* Load sensor definition from configuration
*
* @param cfg configuration handle
* @param sectionname configuration section containing definition
*/
-static struct SensorInfo *
-load_sensor_from_cfg(struct GNUNET_CONFIGURATION_Handle *cfg, const char *sectionname)
+static struct GNUNET_SENSOR_SensorInfo *
+load_sensor_from_cfg (struct GNUNET_CONFIGURATION_Handle *cfg,
+ const char *sectionname)
{
- struct SensorInfo *sensor;
+ struct GNUNET_SENSOR_SensorInfo *sensor;
char *version_str;
char *starttime_str;
char *endtime_str;
char *dummy;
struct GNUNET_CRYPTO_EddsaPublicKey public_key;
- sensor = GNUNET_new(struct SensorInfo);
+ sensor = GNUNET_new (struct GNUNET_SENSOR_SensorInfo);
+
//name
- sensor->name = GNUNET_strdup(sectionname);
+ sensor->name = GNUNET_strdup (sectionname);
//version
- if(GNUNET_OK != GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "VERSION", &version_str))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg, sectionname, "VERSION",
+ &version_str))
{
LOG (GNUNET_ERROR_TYPE_ERROR, _("Error reading sensor version\n"));
- GNUNET_free(sensor);
+ GNUNET_free (sensor);
return NULL;
}
- if(GNUNET_OK != version_parse(version_str, &(sensor->version_major), &(sensor->version_minor)))
+ if (GNUNET_OK !=
+ version_parse (version_str, &(sensor->version_major),
+ &(sensor->version_minor)))
{
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid sensor version number, format should be major.minor\n"));
- GNUNET_free(sensor);
- GNUNET_free(version_str);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Invalid sensor version number, format should be major.minor\n"));
+ GNUNET_free (sensor);
+ GNUNET_free (version_str);
return NULL;
}
- GNUNET_free(version_str);
+ GNUNET_free (version_str);
//description
- GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "DESCRIPTION", &sensor->description);
+ GNUNET_CONFIGURATION_get_value_string (cfg, sectionname, "DESCRIPTION",
+ &sensor->description);
//category
- if(GNUNET_OK != GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "CATEGORY", &sensor->category) ||
- NULL == sensor->category)
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg, sectionname, "CATEGORY",
+ &sensor->category) ||
+ NULL == sensor->category)
{
LOG (GNUNET_ERROR_TYPE_ERROR, _("Error reading sensor category\n"));
- GNUNET_free(sensor);
+ GNUNET_free (sensor);
return NULL;
}
//enabled
- if(GNUNET_NO == GNUNET_CONFIGURATION_get_value_yesno(cfg, sectionname, "ENABLED"))
+ if (GNUNET_NO ==
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, sectionname, "ENABLED"))
sensor->enabled = GNUNET_NO;
else
sensor->enabled = GNUNET_YES;
//start time
sensor->start_time = NULL;
- if(GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "START_TIME", &starttime_str))
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (cfg, sectionname, "START_TIME",
+ &starttime_str))
{
- GNUNET_STRINGS_fancy_time_to_absolute(starttime_str, sensor->start_time);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Start time loaded: `%s'. Parsed: %d\n", starttime_str, (NULL != sensor->start_time));
- GNUNET_free(starttime_str);
+ GNUNET_STRINGS_fancy_time_to_absolute (starttime_str, sensor->start_time);
+ GNUNET_free (starttime_str);
}
//end time
sensor->end_time = NULL;
- if(GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "END_TIME", &endtime_str))
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (cfg, sectionname, "END_TIME",
+ &endtime_str))
{
- GNUNET_STRINGS_fancy_time_to_absolute(endtime_str, sensor->end_time);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "End time loaded: `%s'. Parsed: %d\n", endtime_str, (NULL != sensor->end_time));
- GNUNET_free(endtime_str);
+ GNUNET_STRINGS_fancy_time_to_absolute (endtime_str, sensor->end_time);
+ GNUNET_free (endtime_str);
}
//interval
- if(GNUNET_OK != GNUNET_CONFIGURATION_get_value_number(cfg, sectionname, "INTERVAL", &time_sec))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (cfg, sectionname, "INTERVAL",
+ &time_sec))
{
LOG (GNUNET_ERROR_TYPE_ERROR, _("Error reading sensor run interval\n"));
- GNUNET_free(sensor);
+ GNUNET_free (sensor);
return NULL;
}
- if(time_sec < MIN_INTERVAL)
+ if (time_sec < MIN_INTERVAL)
{
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Sensor run interval too low (%" PRIu64 " < %d)\n"),
- time_sec, MIN_INTERVAL);
- GNUNET_free(sensor);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Sensor run interval too low (%" PRIu64 " < %d)\n"), time_sec,
+ MIN_INTERVAL);
+ GNUNET_free (sensor);
return NULL;
}
- sensor->interval = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, time_sec);
+ sensor->interval =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, time_sec);
//lifetime
- if(GNUNET_OK == GNUNET_CONFIGURATION_get_value_number(cfg, sectionname, "LIFETIME", &time_sec))
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_number (cfg, sectionname, "LIFETIME",
+ &time_sec))
{
- sensor->lifetime = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, time_sec);
+ sensor->lifetime =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, time_sec);
if (sensor->lifetime.rel_value_us < sensor->interval.rel_value_us)
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Lifetime of sensor data is preferred to be higher than interval for sensor `%s'.\n",
- sensor->name);
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Lifetime of sensor data is preferred to be higher than interval for sensor `%s'.\n",
+ sensor->name);
}
else
sensor->lifetime = GNUNET_TIME_UNIT_FOREVER_REL;
//capabilities TODO
//source
- if(GNUNET_OK != GNUNET_CONFIGURATION_get_value_choice(cfg, sectionname, "SOURCE", sources, (const char **)&sensor->source))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_choice (cfg, sectionname, "SOURCE",
+ sources,
+ (const char **) &sensor->source))
{
LOG (GNUNET_ERROR_TYPE_ERROR, _("Error reading sensor source\n"));
- GNUNET_free(sensor);
+ GNUNET_free (sensor);
return NULL;
}
- if(sources[0] == sensor->source) //gnunet-statistics
+ if (sources[0] == sensor->source) //gnunet-statistics
{
- if(GNUNET_OK != GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "GNUNET_STAT_SERVICE", &sensor->gnunet_stat_service) ||
- GNUNET_OK != GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "GNUNET_STAT_NAME", &sensor->gnunet_stat_name))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg, sectionname,
+ "GNUNET_STAT_SERVICE",
+ &sensor->gnunet_stat_service) ||
+ GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, sectionname,
+ "GNUNET_STAT_NAME",
+ &sensor->gnunet_stat_name))
{
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Error reading sensor gnunet-statistics source information\n"));
- GNUNET_free(sensor);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Error reading sensor gnunet-statistics source information\n"));
+ GNUNET_free (sensor);
return NULL;
}
sensor->gnunet_stat_get_handle = NULL;
}
- else if(sources[1] == sensor->source) //process
+ else if (sources[1] == sensor->source) //process
{
- if(GNUNET_OK != GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "EXT_PROCESS", &sensor->ext_process))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg, sectionname, "EXT_PROCESS",
+ &sensor->ext_process))
{
LOG (GNUNET_ERROR_TYPE_ERROR, _("Error reading sensor process name\n"));
- GNUNET_free(sensor);
+ GNUNET_free (sensor);
return NULL;
}
- GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "EXT_ARGS", &sensor->ext_args);
+ GNUNET_CONFIGURATION_get_value_string (cfg, sectionname, "EXT_ARGS",
+ &sensor->ext_args);
}
//expected datatype
- if(GNUNET_OK != GNUNET_CONFIGURATION_get_value_choice(cfg, sectionname, "EXPECTED_DATATYPE", datatypes, (const char **)&sensor->expected_datatype))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_choice (cfg, sectionname,
+ "EXPECTED_DATATYPE", datatypes,
+ (const char **)
+ &sensor->expected_datatype))
{
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Error reading sensor expected datatype\n"));
- GNUNET_free(sensor);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Error reading sensor expected datatype\n"));
+ GNUNET_free (sensor);
return NULL;
}
- if(sources[0] == sensor->source && datatypes[0] != sensor->expected_datatype)
+ if (sources[0] == sensor->source && datatypes[0] != sensor->expected_datatype)
{
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid expected datatype, gnunet-statistics returns uint64 values\n"));
- GNUNET_free(sensor);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _
+ ("Invalid expected datatype, gnunet-statistics returns uint64 values\n"));
+ GNUNET_free (sensor);
return NULL;
}
- //reporting mechanism
+ //reporting
sensor->collection_point = NULL;
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, sectionname, "COLLECTION_POINT", &dummy))
+ sensor->report_values = GNUNET_NO;
+ sensor->report_anomalies = GNUNET_NO;
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (cfg, sectionname,
+ "COLLECTION_POINT", &dummy))
{
- if(GNUNET_OK != GNUNET_CONFIGURATION_get_value_number(cfg, sectionname, "COLLECTION_INTERVAL", &time_sec))
- {
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Error reading sensor collection interval\n"));
- }
- else
+ if (GNUNET_OK ==
+ GNUNET_CRYPTO_eddsa_public_key_from_string (dummy, strlen (dummy),
+ &public_key))
{
- sensor->collection_interval = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, time_sec);
- if (GNUNET_OK == GNUNET_CRYPTO_eddsa_public_key_from_string(dummy, strlen(dummy), &public_key))
+ sensor->collection_point = GNUNET_new (struct GNUNET_PeerIdentity);
+
+ sensor->collection_point->public_key = public_key;
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_number (cfg, sectionname,
+ "VALUE_COLLECTION_INTERVAL",
+ &time_sec))
{
- sensor->collection_point = GNUNET_new(struct GNUNET_PeerIdentity);
- sensor->collection_point->public_key = public_key;
+ sensor->report_values = GNUNET_YES;
+ sensor->value_reporting_interval =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, time_sec);
}
+ if (GNUNET_YES ==
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, sectionname,
+ "REPORT_ANOMALIES"))
+ sensor->report_anomalies = GNUNET_YES;
}
GNUNET_free (dummy);
}
- sensor->p2p_report = GNUNET_NO;
- if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, sectionname, "P2P_REPORT"))
- {
- if(GNUNET_OK != GNUNET_CONFIGURATION_get_value_number(cfg, sectionname, "P2P_INTERVAL", &time_sec))
- {
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Error reading sensor p2p reporting interval\n"));
- }
- else
- {
- sensor->p2p_interval = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, time_sec);
- sensor->p2p_report = GNUNET_YES;
- }
- }
//execution task
sensor->execution_task = GNUNET_SCHEDULER_NO_TASK;
//running
sensor->running = GNUNET_NO;
-
return sensor;
}
+
/**
* Load sensor definition from file
*
* @param filename full path to file containing sensor definition
*/
-static struct SensorInfo *
-load_sensor_from_file(const char *filename)
+static struct GNUNET_SENSOR_SensorInfo *
+load_sensor_from_file (const char *filename)
{
struct GNUNET_CONFIGURATION_Handle *sensorcfg;
const char *filebasename;
- struct SensorInfo *sensor;
+ struct GNUNET_SENSOR_SensorInfo *sensor;
//test file
- if(GNUNET_YES != GNUNET_DISK_file_test(filename))
+ if (GNUNET_YES != GNUNET_DISK_file_test (filename))
{
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Failed to access sensor file: %s\n"), filename);
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Failed to access sensor file: %s\n"),
+ filename);
return NULL;
}
//load file as configuration
- sensorcfg = GNUNET_CONFIGURATION_create();
- if(GNUNET_SYSERR == GNUNET_CONFIGURATION_parse(sensorcfg, filename))
+ sensorcfg = GNUNET_CONFIGURATION_create ();
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_parse (sensorcfg, filename))
{
- GNUNET_CONFIGURATION_destroy(sensorcfg);
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Failed to load sensor definition: %s\n"), filename);
+ GNUNET_CONFIGURATION_destroy (sensorcfg);
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Failed to load sensor definition: %s\n"),
+ filename);
return NULL;
}
//configuration section should be the same as filename
- filebasename = GNUNET_STRINGS_get_short_name(filename);
- sensor = load_sensor_from_cfg(sensorcfg, filebasename);
- if(NULL == sensor)
+ filebasename = GNUNET_STRINGS_get_short_name (filename);
+ sensor = load_sensor_from_cfg (sensorcfg, filebasename);
+ if (NULL == sensor)
{
- GNUNET_CONFIGURATION_destroy(sensorcfg);
+ GNUNET_CONFIGURATION_destroy (sensorcfg);
return NULL;
}
- sensor->def_file = GNUNET_strdup(filename);
+ sensor->def_file = GNUNET_strdup (filename);
sensor->cfg = sensorcfg;
-
return sensor;
}
+
/**
- * Compares version numbers of two sensors
+ * Given two version numbers as major and minor, compare them.
*
- * @param s1 first sensor
- * @param s2 second sensor
- * @return 1: s1 > s2, 0: s1 == s2, -1: s1 < s2
+ * @param v1_major First part of first version number
+ * @param v1_minor Second part of first version number
+ * @param v2_major First part of second version number
+ * @param v2_minor Second part of second version number
*/
-static int
-sensor_version_compare(struct SensorInfo *s1, struct SensorInfo *s2)
+int
+GNUNET_SENSOR_version_compare (uint16_t v1_major, uint16_t v1_minor,
+ uint16_t v2_major, uint16_t v2_minor)
{
- if(s1->version_major == s2->version_major)
- return (s1->version_minor < s2->version_minor) ? -1 : (s1->version_minor > s2->version_minor);
+ if (v1_major == v2_major)
+ return (v1_minor < v2_minor) ? -1 : (v1_minor > v2_minor);
else
- return (s1->version_major < s2->version_major) ? -1 : (s1->version_major > s2->version_major);
+ return (v1_major < v2_major) ? -1 : (v1_major > v2_major);
}
+
/**
* Adds a new sensor to given hashmap.
* If the same name exist, compares versions and update if old.
*
* @param sensor Sensor structure to add
* @param map Hashmap to add to
- * @return #GNUNET_YES if added, #GNUNET_NO if not added which is not necessarily an error
+ * @return #GNUNET_YES if added
+ * #GNUNET_NO if not added which is not necessarily an error
*/
static int
-add_sensor_to_hashmap(struct SensorInfo *sensor, struct GNUNET_CONTAINER_MultiHashMap *map)
+add_sensor_to_hashmap (struct GNUNET_SENSOR_SensorInfo *sensor,
+ struct GNUNET_CONTAINER_MultiHashMap *map)
{
struct GNUNET_HashCode key;
- struct SensorInfo *existing;
+ struct GNUNET_SENSOR_SensorInfo *existing;
- GNUNET_CRYPTO_hash(sensor->name, strlen(sensor->name) + 1, &key);
- existing = GNUNET_CONTAINER_multihashmap_get(map, &key);
- if(NULL != existing) //sensor with same name already exists
+ GNUNET_CRYPTO_hash (sensor->name, strlen (sensor->name) + 1, &key);
+ existing = GNUNET_CONTAINER_multihashmap_get (map, &key);
+ if (NULL != existing) //sensor with same name already exists
{
- if(sensor_version_compare(existing, sensor) >= 0) //same or newer version already exist
+ if (GNUNET_SENSOR_version_compare
+ (existing->version_major, existing->version_minor,
+ sensor->version_major, sensor->version_minor) >= 0)
{
- LOG (GNUNET_ERROR_TYPE_INFO, _("Sensor `%s' already exists with same or newer version\n"), sensor->name);
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Sensor `%s' already exists with same or newer version\n"),
+ sensor->name);
return GNUNET_NO;
}
else
{
- GNUNET_CONTAINER_multihashmap_remove(map, &key, existing); //remove the old version
- GNUNET_free(existing);
- LOG (GNUNET_ERROR_TYPE_INFO, "Upgrading sensor `%s' to a newer version\n", sensor->name);
+ GNUNET_CONTAINER_multihashmap_remove (map, &key, existing); //remove the old version
+ GNUNET_free (existing);
+ LOG (GNUNET_ERROR_TYPE_INFO, "Upgrading sensor `%s' to a newer version\n",
+ sensor->name);
}
}
- if(GNUNET_SYSERR == GNUNET_CONTAINER_multihashmap_put(map, &key, sensor, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
+ if (GNUNET_SYSERR ==
+ GNUNET_CONTAINER_multihashmap_put (map, &key, sensor,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
{
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Error adding new sensor `%s' to global hashmap, this should not happen\n"), sensor->name);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Error adding new sensor `%s' to global hashmap.\n"), sensor->name);
return GNUNET_NO;
}
-
return GNUNET_YES;
}
+
/**
* Iterating over files in sensors directory
*
* @return #GNUNET_OK to continue to iterate
*/
static int
-reload_sensors_dir_cb(void *cls, const char *filename)
+reload_sensors_dir_cb (void *cls, const char *filename)
{
struct GNUNET_CONTAINER_MultiHashMap *sensors = cls;
- struct SensorInfo *sensor;
+ struct GNUNET_SENSOR_SensorInfo *sensor;
- if(GNUNET_YES != GNUNET_DISK_file_test(filename))
+ if (GNUNET_YES != GNUNET_DISK_file_test (filename))
return GNUNET_OK;
- sensor = load_sensor_from_file(filename);
- if(NULL == sensor)
+ sensor = load_sensor_from_file (filename);
+ if (NULL == sensor)
{
- LOG (GNUNET_ERROR_TYPE_ERROR,
- _("Error loading sensor from file: %s\n"), filename);
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Error loading sensor from file: %s\n"),
+ filename);
return GNUNET_OK;
}
- if(GNUNET_YES != add_sensor_to_hashmap(sensor, sensors))
+ if (GNUNET_YES != add_sensor_to_hashmap (sensor, sensors))
LOG (GNUNET_ERROR_TYPE_WARNING,
- "Could not add sensor `%s' to global hashmap\n", sensor->name);
-
+ "Could not add sensor `%s' to global hashmap\n", sensor->name);
return GNUNET_OK;
}
-/*
- * Get path to the directory containing the sensor definition files
+
+/**
+ * Get path to the default directory containing the sensor definition files with
+ * a trailing directory separator.
*
- * @return sensor files directory
+ * @return Default sensor files directory full path
*/
char *
-GNUNET_SENSOR_get_sensor_dir ()
+GNUNET_SENSOR_get_default_sensor_dir ()
{
- char* datadir;
- char* sensordir;
-
- datadir = GNUNET_OS_installation_get_path(GNUNET_OS_IPK_DATADIR);
- GNUNET_asprintf(&sensordir, "%ssensors%s",
- datadir, DIR_SEPARATOR_STR);
- GNUNET_free(datadir);
+ char *datadir;
+ char *sensordir;
+ datadir = GNUNET_OS_installation_get_path (GNUNET_OS_IPK_DATADIR);
+ GNUNET_asprintf (&sensordir, "%ssensors%s", datadir, DIR_SEPARATOR_STR);
+ GNUNET_free (datadir);
return sensordir;
}
+
/**
- * Reads sensor definitions from local data files
+ * Reads sensor definitions from given sensor directory.
*
+ * @param sensordir Path to sensor directory.
* @return a multihashmap of loaded sensors
*/
struct GNUNET_CONTAINER_MultiHashMap *
-GNUNET_SENSOR_load_all_sensors ()
+GNUNET_SENSOR_load_all_sensors (char *sensor_dir)
{
- char* sensordir;
struct GNUNET_CONTAINER_MultiHashMap *sensors;
- sensors = GNUNET_CONTAINER_multihashmap_create(10, GNUNET_NO);
- sensordir = GNUNET_SENSOR_get_sensor_dir ();
+ GNUNET_assert (NULL != sensor_dir);
+ sensors = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
LOG (GNUNET_ERROR_TYPE_INFO,
- "Loading sensor definitions from directory `%s'\n", sensordir);
- GNUNET_assert(GNUNET_YES == GNUNET_DISK_directory_test(sensordir, GNUNET_YES));
-
- //read all files in sensors directory
- GNUNET_DISK_directory_scan(sensordir, &reload_sensors_dir_cb, sensors);
+ "Loading sensor definitions from directory `%s'\n", sensor_dir);
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_DISK_directory_test (sensor_dir, GNUNET_YES));
+ /* read all files in sensors directory */
+ GNUNET_DISK_directory_scan (sensor_dir, &reload_sensors_dir_cb, sensors);
LOG (GNUNET_ERROR_TYPE_INFO, "Loaded %d sensors from directory `%s'\n",
- GNUNET_CONTAINER_multihashmap_size(sensors), sensordir);
- GNUNET_free(sensordir);
+ GNUNET_CONTAINER_multihashmap_size (sensors), sensor_dir);
return sensors;
}
-/**
- * Parses a sensor reading message struct
- *
- * @param msg message header received
- * @param sensors multihashmap of loaded sensors
- * @return sensor reading struct or NULL if error
- */
-struct GNUNET_SENSOR_Reading *
-GNUNET_SENSOR_parse_reading_message (const struct GNUNET_MessageHeader *msg,
- struct GNUNET_CONTAINER_MultiHashMap *sensors)
-{
- uint16_t msg_size;
- struct GNUNET_SENSOR_ReadingMessage *rm;
- uint16_t sensorname_size;
- uint16_t value_size;
- void *dummy;
- char *sensorname;
- struct GNUNET_HashCode key;
- struct SensorInfo *sensor;
- struct GNUNET_SENSOR_Reading *reading;
-
- msg_size = ntohs (msg->size);
- if (msg_size < sizeof (struct GNUNET_SENSOR_ReadingMessage))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "Invalid reading message size.\n");
- return NULL;
- }
- rm = (struct GNUNET_SENSOR_ReadingMessage *)msg;
- sensorname_size = ntohs (rm->sensorname_size);
- value_size = ntohs (rm->value_size);
- if ((sizeof (struct GNUNET_SENSOR_ReadingMessage)
- + sensorname_size + value_size) != msg_size)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "Invalid reading message size.\n");
- return NULL;
- }
- dummy = &rm[1];
- sensorname = GNUNET_malloc (sensorname_size);
- memcpy (sensorname, dummy, sensorname_size);
- GNUNET_CRYPTO_hash(sensorname, sensorname_size, &key);
- GNUNET_free (sensorname);
- sensor = GNUNET_CONTAINER_multihashmap_get (sensors, &key);
- if (NULL == sensor)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Unknown sensor name in reading message.\n");
- return NULL;
- }
- if ((sensor->version_minor != ntohs (rm->sensorversion_minor)) ||
- (sensor->version_major != ntohs (rm->sensorversion_major)))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Sensor version mismatch in reading message.\n");
- return NULL;
- }
- if (0 == strcmp (sensor->expected_datatype, "numeric") &&
- sizeof (double) != value_size)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Invalid value size for a numerical sensor.\n");
- return NULL;
- }
- reading = GNUNET_new (struct GNUNET_SENSOR_Reading);
- reading->sensor = sensor;
- reading->timestamp = GNUNET_be64toh (rm->timestamp);
- reading->value_size = value_size;
- reading->value = GNUNET_malloc (value_size);
- dummy += sensorname_size;
- memcpy (reading->value, dummy, value_size);
- return reading;
-}
/**
* Remove sensor execution from scheduler
*
* @param cls unused
* @param key hash of sensor name, key to hashmap
- * @param value a 'struct SensorInfo *'
+ * @param value a `struct GNUNET_SENSOR_SensorInfo *`
* @return #GNUNET_YES if we should continue to
* iterate,
* #GNUNET_NO if not.
*/
-static int destroy_sensor(void *cls,
- const struct GNUNET_HashCode *key, void *value)
+static int
+destroy_sensor (void *cls, const struct GNUNET_HashCode *key, void *value)
{
- struct SensorInfo *sensorinfo = value;
+ struct GNUNET_SENSOR_SensorInfo *sensor = value;
- if(GNUNET_SCHEDULER_NO_TASK != sensorinfo->execution_task)
+ if (GNUNET_SCHEDULER_NO_TASK != sensor->execution_task)
{
- GNUNET_SCHEDULER_cancel(sensorinfo->execution_task);
- sensorinfo->execution_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_SCHEDULER_cancel (sensor->execution_task);
+ sensor->execution_task = GNUNET_SCHEDULER_NO_TASK;
}
- if(NULL != sensorinfo->gnunet_stat_get_handle)
+ if (NULL != sensor->gnunet_stat_get_handle)
{
- GNUNET_STATISTICS_get_cancel(sensorinfo->gnunet_stat_get_handle);
- sensorinfo->gnunet_stat_get_handle = NULL;
+ GNUNET_STATISTICS_get_cancel (sensor->gnunet_stat_get_handle);
+ sensor->gnunet_stat_get_handle = NULL;
}
- if(NULL != sensorinfo->ext_cmd)
+ if (NULL != sensor->ext_cmd)
{
- GNUNET_OS_command_stop(sensorinfo->ext_cmd);
- sensorinfo->ext_cmd = NULL;
+ GNUNET_OS_command_stop (sensor->ext_cmd);
+ sensor->ext_cmd = NULL;
}
- if(NULL != sensorinfo->cfg)
- GNUNET_CONFIGURATION_destroy(sensorinfo->cfg);
- if(NULL != sensorinfo->name)
- GNUNET_free(sensorinfo->name);
- if(NULL != sensorinfo->def_file)
- GNUNET_free(sensorinfo->def_file);
- if(NULL != sensorinfo->description)
- GNUNET_free(sensorinfo->description);
- if(NULL != sensorinfo->category)
- GNUNET_free(sensorinfo->category);
- if(NULL != sensorinfo->capabilities)
- GNUNET_free(sensorinfo->capabilities);
- if(NULL != sensorinfo->gnunet_stat_service)
- GNUNET_free(sensorinfo->gnunet_stat_service);
- if(NULL != sensorinfo->gnunet_stat_name)
- GNUNET_free(sensorinfo->gnunet_stat_name);
- if(NULL != sensorinfo->ext_process)
- GNUNET_free(sensorinfo->ext_process);
- if(NULL != sensorinfo->ext_args)
- GNUNET_free(sensorinfo->ext_args);
- if (NULL != sensorinfo->collection_point)
- GNUNET_free (sensorinfo->collection_point);
- GNUNET_free(sensorinfo);
+ if (NULL != sensor->cfg)
+ GNUNET_CONFIGURATION_destroy (sensor->cfg);
+ if (NULL != sensor->name)
+ GNUNET_free (sensor->name);
+ if (NULL != sensor->def_file)
+ GNUNET_free (sensor->def_file);
+ if (NULL != sensor->description)
+ GNUNET_free (sensor->description);
+ if (NULL != sensor->category)
+ GNUNET_free (sensor->category);
+ if (NULL != sensor->capabilities)
+ GNUNET_free (sensor->capabilities);
+ if (NULL != sensor->gnunet_stat_service)
+ GNUNET_free (sensor->gnunet_stat_service);
+ if (NULL != sensor->gnunet_stat_name)
+ GNUNET_free (sensor->gnunet_stat_name);
+ if (NULL != sensor->ext_process)
+ GNUNET_free (sensor->ext_process);
+ if (NULL != sensor->ext_args)
+ GNUNET_free (sensor->ext_args);
+ if (NULL != sensor->collection_point)
+ GNUNET_free (sensor->collection_point);
+ GNUNET_free (sensor);
return GNUNET_YES;
}
+
/**
* Destroys a group of sensors in a hashmap and the hashmap itself
*
GNUNET_SENSOR_destroy_sensors (struct GNUNET_CONTAINER_MultiHashMap *sensors)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "Destroying sensor list.\n");
- GNUNET_CONTAINER_multihashmap_iterate(sensors, &destroy_sensor, NULL);
- GNUNET_CONTAINER_multihashmap_destroy(sensors);
+ GNUNET_CONTAINER_multihashmap_iterate (sensors, &destroy_sensor, NULL);
+ GNUNET_CONTAINER_multihashmap_destroy (sensors);
}
-