static void *camqp_subscribe_thread (void *user_data) /* {{{ */
{
camqp_config_t *conf = user_data;
int status;
cdtime_t interval = plugin_get_interval ();
while (subscriber_threads_running)
{
amqp_frame_t frame;
status = camqp_connect (conf);
if (status != 0)
{
struct timespec ts_interval;
ERROR ("amqp plugin: camqp_connect failed. "
"Will sleep for %.3f seconds.",
CDTIME_T_TO_DOUBLE (interval));
CDTIME_T_TO_TIMESPEC (interval, &ts_interval);
nanosleep (&ts_interval, /* remaining = */ NULL);
continue;
}
status = amqp_simple_wait_frame (conf->connection, &frame);
if (status < 0)
{
struct timespec ts_interval;
ERROR ("amqp plugin: amqp_simple_wait_frame failed. "
"Will sleep for %.3f seconds.",
CDTIME_T_TO_DOUBLE (interval));
camqp_close_connection (conf);
CDTIME_T_TO_TIMESPEC (interval, &ts_interval);
nanosleep (&ts_interval, /* remaining = */ NULL);
continue;
}
if (frame.frame_type != AMQP_FRAME_METHOD)
{
DEBUG ("amqp plugin: Unexpected frame type: %#"PRIx8,
frame.frame_type);
continue;
}
if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD)
{
DEBUG ("amqp plugin: Unexpected method id: %#"PRIx32,
frame.payload.method.id);
continue;
}
camqp_read_header (conf);
amqp_maybe_release_buffers (conf->connection);
} /* while (subscriber_threads_running) */
camqp_config_free (conf);
pthread_exit (NULL);
return (NULL);
} /* }}} void *camqp_subscribe_thread */
size_t cdtime_to_iso8601 (char *s, size_t max, cdtime_t t) /* {{{ */
{
struct timespec t_spec;
struct tm t_tm;
size_t len;
CDTIME_T_TO_TIMESPEC (t, &t_spec);
NORMALIZE_TIMESPEC (t_spec);
if (localtime_r ((time_t *)&t_spec.tv_sec, &t_tm) == NULL) {
char errbuf[1024];
ERROR ("cdtime_to_iso8601: localtime_r failed: %s",
sstrerror (errno, errbuf, sizeof (errbuf)));
return (0);
}
len = strftime (s, max, "%Y-%m-%dT%H:%M:%S", &t_tm);
if (len == 0)
return 0;
if (max - len > 2) {
int n = snprintf (s + len, max - len, ".%09i", (int)t_spec.tv_nsec);
len += (n < max - len) ? n : max - len;
}
if (max - len > 3) {
int n = strftime (s + len, max - len, "%z", &t_tm);
len += (n < max - len) ? n : max - len;
}
s[max - 1] = '\0';
return len;
} /* }}} size_t cdtime_to_iso8601 */
static int dns_sleep_one_interval (void) /* {{{ */
{
cdtime_t interval;
struct timespec ts = { 0, 0 };
int status = 0;
interval = plugin_get_interval ();
CDTIME_T_TO_TIMESPEC (interval, &ts);
while (42)
{
struct timespec rem = { 0, 0 };
status = nanosleep (&ts, &rem);
if (status == 0)
break;
else if ((errno == EINTR) || (errno == EAGAIN))
{
ts = rem;
continue;
}
else
break;
}
return (status);
} /* }}} int dns_sleep_one_interval */
static int do_loop(void) {
cdtime_t interval = cf_get_default_interval();
cdtime_t wait_until = cdtime() + interval;
while (loop == 0) {
#if HAVE_LIBKSTAT
update_kstat();
#endif
/* Issue all plugins */
plugin_read_all();
cdtime_t now = cdtime();
if (now >= wait_until) {
WARNING("Not sleeping because the next interval is "
"%.3f seconds in the past!",
CDTIME_T_TO_DOUBLE(now - wait_until));
wait_until = now + interval;
continue;
}
struct timespec ts_wait = CDTIME_T_TO_TIMESPEC(wait_until - now);
wait_until = wait_until + interval;
while ((loop == 0) && (nanosleep(&ts_wait, &ts_wait) != 0)) {
if (errno != EINTR) {
ERROR("nanosleep failed: %s", STRERRNO);
return -1;
}
}
} /* while (loop == 0) */
return 0;
} /* int do_loop */
/**
* Non blocking pause for the thread.
*/
static int cgps_thread_pause(cdtime_t pTime)
{
cdtime_t now;
now = cdtime ();
struct timespec pause_th;
CDTIME_T_TO_TIMESPEC (MS_TO_CDTIME_T(10), &pause_th);
while (CGPS_TRUE)
{
if ( (cdtime () - now) > pTime )
{
break;
}
pthread_mutex_lock (&cgps_thread_lock);
if (cgps_thread_shutdown == CGPS_TRUE)
{
return CGPS_FALSE;
}
pthread_mutex_unlock (&cgps_thread_lock);
nanosleep (&pause_th, NULL);
}
return CGPS_TRUE;
}
static int format_rfc3339 (char *buffer, size_t buffer_size, cdtime_t t, _Bool print_nano) /* {{{ */
{
struct timespec t_spec;
struct tm t_tm;
char base[20]; /* 2006-01-02T15:04:05 */
char nano[11]; /* .999999999 */
char zone[7]; /* +00:00 */
char *fields[] = {base, nano, zone};
size_t len;
CDTIME_T_TO_TIMESPEC (t, &t_spec);
NORMALIZE_TIMESPEC (t_spec);
if (localtime_r (&t_spec.tv_sec, &t_tm) == NULL) {
char errbuf[1024];
int status = errno;
ERROR ("format_rfc3339: localtime_r failed: %s",
sstrerror (status, errbuf, sizeof (errbuf)));
return (status);
}
len = strftime (base, sizeof (base), "%Y-%m-%dT%H:%M:%S", &t_tm);
if (len == 0)
return ENOMEM;
if (print_nano)
ssnprintf (nano, sizeof (nano), ".%09ld", (long) t_spec.tv_nsec);
else
sstrncpy (nano, "", sizeof (nano));
format_zone (zone, sizeof (zone));
if (strjoin (buffer, buffer_size, fields, STATIC_ARRAY_SIZE (fields), "") < 0)
return ENOMEM;
return 0;
} /* }}} int cdtime_to_rfc3339nano */
static int c_psql_config_database (oconfig_item_t *ci)
{
c_psql_database_t *db;
char cb_name[DATA_MAX_NAME_LEN];
struct timespec cb_interval = { 0, 0 };
user_data_t ud;
int i;
if ((1 != ci->values_num)
|| (OCONFIG_TYPE_STRING != ci->values[0].type)) {
log_err ("<Database> expects a single string argument.");
return 1;
}
memset (&ud, 0, sizeof (ud));
db = c_psql_database_new (ci->values[0].value.string);
if (db == NULL)
return -1;
for (i = 0; i < ci->children_num; ++i) {
oconfig_item_t *c = ci->children + i;
if (0 == strcasecmp (c->key, "Host"))
cf_util_get_string (c, &db->host);
else if (0 == strcasecmp (c->key, "Port"))
cf_util_get_service (c, &db->port);
else if (0 == strcasecmp (c->key, "User"))
cf_util_get_string (c, &db->user);
else if (0 == strcasecmp (c->key, "Password"))
cf_util_get_string (c, &db->password);
else if (0 == strcasecmp (c->key, "Instance"))
cf_util_get_string (c, &db->instance);
else if (0 == strcasecmp (c->key, "SSLMode"))
cf_util_get_string (c, &db->sslmode);
else if (0 == strcasecmp (c->key, "KRBSrvName"))
cf_util_get_string (c, &db->krbsrvname);
else if (0 == strcasecmp (c->key, "Service"))
cf_util_get_string (c, &db->service);
else if (0 == strcasecmp (c->key, "Query"))
udb_query_pick_from_list (c, queries, queries_num,
&db->queries, &db->queries_num);
else if (0 == strcasecmp (c->key, "Interval"))
cf_util_get_cdtime (c, &db->interval);
else
log_warn ("Ignoring unknown config key \"%s\".", c->key);
}
/* If no `Query' options were given, add the default queries.. */
if (db->queries_num == 0) {
for (i = 0; i < def_queries_num; i++)
udb_query_pick_from_list_by_name (def_queries[i],
queries, queries_num,
&db->queries, &db->queries_num);
}
if (db->queries_num > 0) {
db->q_prep_areas = (udb_query_preparation_area_t **) calloc (
db->queries_num, sizeof (*db->q_prep_areas));
if (db->q_prep_areas == NULL) {
log_err ("Out of memory.");
c_psql_database_delete (db);
return -1;
}
}
for (i = 0; (size_t)i < db->queries_num; ++i) {
c_psql_user_data_t *data;
data = udb_query_get_user_data (db->queries[i]);
if ((data != NULL) && (data->params_num > db->max_params_num))
db->max_params_num = data->params_num;
db->q_prep_areas[i]
= udb_query_allocate_preparation_area (db->queries[i]);
if (db->q_prep_areas[i] == NULL) {
log_err ("Out of memory.");
c_psql_database_delete (db);
return -1;
}
}
ud.data = db;
ud.free_func = c_psql_database_delete;
ssnprintf (cb_name, sizeof (cb_name), "postgresql-%s", db->instance);
CDTIME_T_TO_TIMESPEC (db->interval, &cb_interval);
plugin_register_complex_read ("postgresql", cb_name, c_psql_read,
/* interval = */ (db->interval > 0) ? &cb_interval : NULL,
&ud);
return 0;
} /* c_psql_config_database */
static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
{
cj_t *db;
int status = 0;
int i;
if ((ci->values_num != 1)
|| (ci->values[0].type != OCONFIG_TYPE_STRING))
{
WARNING ("curl_json plugin: The `URL' block "
"needs exactly one string argument.");
return (-1);
}
db = (cj_t *) malloc (sizeof (*db));
if (db == NULL)
{
ERROR ("curl_json plugin: malloc failed.");
return (-1);
}
memset (db, 0, sizeof (*db));
if (strcasecmp ("URL", ci->key) == 0)
status = cf_util_get_string (ci, &db->url);
else if (strcasecmp ("Sock", ci->key) == 0)
status = cf_util_get_string (ci, &db->sock);
else
{
ERROR ("curl_json plugin: cj_config: "
"Invalid key: %s", ci->key);
return (-1);
}
if (status != 0)
{
sfree (db);
return (status);
}
/* Fill the `cj_t' structure.. */
for (i = 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("Instance", child->key) == 0)
status = cf_util_get_string (child, &db->instance);
else if (strcasecmp ("Host", child->key) == 0)
status = cf_util_get_string (child, &db->host);
else if (db->url && strcasecmp ("User", child->key) == 0)
status = cf_util_get_string (child, &db->user);
else if (db->url && strcasecmp ("Password", child->key) == 0)
status = cf_util_get_string (child, &db->pass);
else if (strcasecmp ("Digest", child->key) == 0)
status = cf_util_get_boolean (child, &db->digest);
else if (db->url && strcasecmp ("VerifyPeer", child->key) == 0)
status = cf_util_get_boolean (child, &db->verify_peer);
else if (db->url && strcasecmp ("VerifyHost", child->key) == 0)
status = cf_util_get_boolean (child, &db->verify_host);
else if (db->url && strcasecmp ("CACert", child->key) == 0)
status = cf_util_get_string (child, &db->cacert);
else if (db->url && strcasecmp ("Header", child->key) == 0)
status = cj_config_append_string ("Header", &db->headers, child);
else if (db->url && strcasecmp ("Post", child->key) == 0)
status = cf_util_get_string (child, &db->post_body);
else if (strcasecmp ("Key", child->key) == 0)
status = cj_config_add_key (db, child);
else if (strcasecmp ("Interval", child->key) == 0)
status = cf_util_get_cdtime(child, &db->interval);
else
{
WARNING ("curl_json plugin: Option `%s' not allowed here.", child->key);
status = -1;
}
if (status != 0)
break;
}
if (status == 0)
{
if (db->tree == NULL)
{
WARNING ("curl_json plugin: No (valid) `Key' block within `%s' \"`%s'\".",
db->url ? "URL" : "Sock", db->url ? db->url : db->sock);
status = -1;
}
if (status == 0 && db->url)
status = cj_init_curl (db);
}
/* If all went well, register this database for reading */
if (status == 0)
{
user_data_t ud;
char *cb_name;
struct timespec interval = { 0, 0 };
CDTIME_T_TO_TIMESPEC (db->interval, &interval);
if (db->instance == NULL)
db->instance = strdup("default");
DEBUG ("curl_json plugin: Registering new read callback: %s",
db->instance);
memset (&ud, 0, sizeof (ud));
ud.data = (void *) db;
ud.free_func = cj_free;
cb_name = ssnprintf_alloc ("curl_json-%s-%s",
db->instance, db->url ? db->url : db->sock);
plugin_register_complex_read (/* group = */ NULL, cb_name, cj_read,
/* interval = */ (db->interval > 0) ? &interval : NULL,
&ud);
sfree (cb_name);
}
else
{
cj_free (db);
return (-1);
}
return (0);
}
static int mb_config_add_host (oconfig_item_t *ci) /* {{{ */
{
mb_host_t *host;
int status;
int i;
host = malloc (sizeof (*host));
if (host == NULL)
return (ENOMEM);
memset (host, 0, sizeof (*host));
host->slaves = NULL;
status = cf_util_get_string_buffer (ci, host->host, sizeof (host->host));
if (status != 0)
return (status);
if (host->host[0] == 0)
return (EINVAL);
for (i = 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
status = 0;
if (strcasecmp ("Address", child->key) == 0)
{
char buffer[NI_MAXHOST];
status = cf_util_get_string_buffer (child, buffer, sizeof (buffer));
if (status == 0)
status = mb_config_set_host_address (host, buffer);
}
else if (strcasecmp ("Port", child->key) == 0)
{
host->port = cf_util_get_port_number (child);
if (host->port <= 0)
status = -1;
}
else if (strcasecmp ("Interval", child->key) == 0)
status = cf_util_get_cdtime (child, &host->interval);
else if (strcasecmp ("Slave", child->key) == 0)
/* Don't set status: Gracefully continue if a slave fails. */
mb_config_add_slave (host, child);
else
{
ERROR ("Modbus plugin: Unknown configuration option: %s", child->key);
status = -1;
}
if (status != 0)
break;
} /* for (i = 0; i < ci->children_num; i++) */
assert (host->host[0] != 0);
if (host->host[0] == 0)
{
ERROR ("Modbus plugin: Data block \"%s\": No type has been specified.",
host->host);
status = -1;
}
if (status == 0)
{
user_data_t ud;
char name[1024];
struct timespec interval = { 0, 0 };
ud.data = host;
ud.free_func = host_free;
ssnprintf (name, sizeof (name), "modbus-%s", host->host);
CDTIME_T_TO_TIMESPEC (host->interval, &interval);
plugin_register_complex_read (/* group = */ NULL, name,
/* callback = */ mb_read,
/* interval = */ (host->interval > 0) ? &interval : NULL,
&ud);
}
else
{
host_free (host);
}
return (status);
} /* }}} int mb_config_add_host */
static int csnmp_config_add_host (oconfig_item_t *ci)
{
host_definition_t *hd;
int status = 0;
int i;
/* Registration stuff. */
char cb_name[DATA_MAX_NAME_LEN];
user_data_t cb_data;
struct timespec cb_interval;
hd = (host_definition_t *) malloc (sizeof (host_definition_t));
if (hd == NULL)
return (-1);
memset (hd, '\0', sizeof (host_definition_t));
hd->version = 2;
C_COMPLAIN_INIT (&hd->complaint);
status = cf_util_get_string(ci, &hd->name);
if (status != 0)
return status;
hd->sess_handle = NULL;
hd->interval = 0;
for (i = 0; i < ci->children_num; i++)
{
oconfig_item_t *option = ci->children + i;
status = 0;
if (strcasecmp ("Address", option->key) == 0)
status = cf_util_get_string(option, &hd->address);
else if (strcasecmp ("Community", option->key) == 0)
status = cf_util_get_string(option, &hd->community);
else if (strcasecmp ("Version", option->key) == 0)
status = csnmp_config_add_host_version (hd, option);
else if (strcasecmp ("Collect", option->key) == 0)
csnmp_config_add_host_collect (hd, option);
else if (strcasecmp ("Interval", option->key) == 0)
cf_util_get_cdtime (option, &hd->interval);
else if (strcasecmp ("Username", option->key) == 0)
status = cf_util_get_string(option, &hd->username);
else if (strcasecmp ("AuthProtocol", option->key) == 0)
status = csnmp_config_add_host_auth_protocol (hd, option);
else if (strcasecmp ("PrivacyProtocol", option->key) == 0)
status = csnmp_config_add_host_priv_protocol (hd, option);
else if (strcasecmp ("AuthPassphrase", option->key) == 0)
status = cf_util_get_string(option, &hd->auth_passphrase);
else if (strcasecmp ("PrivacyPassphrase", option->key) == 0)
status = cf_util_get_string(option, &hd->priv_passphrase);
else if (strcasecmp ("SecurityLevel", option->key) == 0)
status = csnmp_config_add_host_security_level (hd, option);
else if (strcasecmp ("Context", option->key) == 0)
status = cf_util_get_string(option, &hd->context);
else
{
WARNING ("snmp plugin: csnmp_config_add_host: Option `%s' not allowed here.", option->key);
status = -1;
}
if (status != 0)
break;
} /* for (ci->children) */
while (status == 0)
{
if (hd->address == NULL)
{
WARNING ("snmp plugin: `Address' not given for host `%s'", hd->name);
status = -1;
break;
}
if (hd->community == NULL && hd->version < 3)
{
WARNING ("snmp plugin: `Community' not given for host `%s'", hd->name);
status = -1;
break;
}
if (hd->version == 3)
{
if (hd->username == NULL)
{
WARNING ("snmp plugin: `Username' not given for host `%s'", hd->name);
status = -1;
break;
}
if (hd->security_level == 0)
{
WARNING ("snmp plugin: `SecurityLevel' not given for host `%s'", hd->name);
status = -1;
break;
}
if (hd->security_level == SNMP_SEC_LEVEL_AUTHNOPRIV || hd->security_level == SNMP_SEC_LEVEL_AUTHPRIV)
{
if (hd->auth_protocol == NULL)
{
WARNING ("snmp plugin: `AuthProtocol' not given for host `%s'", hd->name);
status = -1;
break;
}
if (hd->auth_passphrase == NULL)
{
WARNING ("snmp plugin: `AuthPassphrase' not given for host `%s'", hd->name);
status = -1;
break;
}
}
if (hd->security_level == SNMP_SEC_LEVEL_AUTHPRIV)
{
if (hd->priv_protocol == NULL)
{
WARNING ("snmp plugin: `PrivacyProtocol' not given for host `%s'", hd->name);
status = -1;
break;
}
if (hd->priv_passphrase == NULL)
{
WARNING ("snmp plugin: `PrivacyPassphrase' not given for host `%s'", hd->name);
status = -1;
break;
}
}
}
break;
} /* while (status == 0) */
if (status != 0)
{
csnmp_host_definition_destroy (hd);
return (-1);
}
DEBUG ("snmp plugin: hd = { name = %s, address = %s, community = %s, version = %i }",
hd->name, hd->address, hd->community, hd->version);
ssnprintf (cb_name, sizeof (cb_name), "snmp-%s", hd->name);
memset (&cb_data, 0, sizeof (cb_data));
cb_data.data = hd;
cb_data.free_func = csnmp_host_definition_destroy;
CDTIME_T_TO_TIMESPEC (hd->interval, &cb_interval);
status = plugin_register_complex_read (/* group = */ NULL, cb_name,
csnmp_read_host, /* interval = */ &cb_interval,
/* user_data = */ &cb_data);
if (status != 0)
{
ERROR ("snmp plugin: Registering complex read function failed.");
csnmp_host_definition_destroy (hd);
return (-1);
}
return (0);
} /* int csnmp_config_add_host */
static int csnmp_config_add_host (oconfig_item_t *ci)
{
host_definition_t *hd;
int status = 0;
int i;
/* Registration stuff. */
char cb_name[DATA_MAX_NAME_LEN];
user_data_t cb_data;
struct timespec cb_interval;
if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
{
WARNING ("snmp plugin: `Host' needs exactly one string argument.");
return (-1);
}
hd = (host_definition_t *) malloc (sizeof (host_definition_t));
if (hd == NULL)
return (-1);
memset (hd, '\0', sizeof (host_definition_t));
hd->version = 2;
C_COMPLAIN_INIT (&hd->complaint);
hd->name = strdup (ci->values[0].value.string);
if (hd->name == NULL)
{
free (hd);
return (-1);
}
hd->sess_handle = NULL;
hd->interval = 0;
for (i = 0; i < ci->children_num; i++)
{
oconfig_item_t *option = ci->children + i;
status = 0;
if (strcasecmp ("Address", option->key) == 0)
status = csnmp_config_add_host_address (hd, option);
else if (strcasecmp ("Community", option->key) == 0)
status = csnmp_config_add_host_community (hd, option);
else if (strcasecmp ("Version", option->key) == 0)
status = csnmp_config_add_host_version (hd, option);
else if (strcasecmp ("Collect", option->key) == 0)
csnmp_config_add_host_collect (hd, option);
else if (strcasecmp ("Interval", option->key) == 0)
cf_util_get_cdtime (option, &hd->interval);
else
{
WARNING ("snmp plugin: csnmp_config_add_host: Option `%s' not allowed here.", option->key);
status = -1;
}
if (status != 0)
break;
} /* for (ci->children) */
while (status == 0)
{
if (hd->address == NULL)
{
WARNING ("snmp plugin: `Address' not given for host `%s'", hd->name);
status = -1;
break;
}
if (hd->community == NULL)
{
WARNING ("snmp plugin: `Community' not given for host `%s'", hd->name);
status = -1;
break;
}
break;
} /* while (status == 0) */
if (status != 0)
{
csnmp_host_definition_destroy (hd);
return (-1);
}
DEBUG ("snmp plugin: hd = { name = %s, address = %s, community = %s, version = %i }",
hd->name, hd->address, hd->community, hd->version);
ssnprintf (cb_name, sizeof (cb_name), "snmp-%s", hd->name);
memset (&cb_data, 0, sizeof (cb_data));
cb_data.data = hd;
cb_data.free_func = csnmp_host_definition_destroy;
CDTIME_T_TO_TIMESPEC (hd->interval, &cb_interval);
status = plugin_register_complex_read (/* group = */ NULL, cb_name,
csnmp_read_host, /* interval = */ &cb_interval,
/* user_data = */ &cb_data);
if (status != 0)
{
ERROR ("snmp plugin: Registering complex read function failed.");
csnmp_host_definition_destroy (hd);
return (-1);
}
return (0);
} /* int csnmp_config_add_host */
