ipmi: add more analog sensors support
[collectd.git] / src / ipmi.c
index 2036d7d..22aff82 100644 (file)
@@ -79,12 +79,19 @@ struct c_ipmi_sensor_list_s {
   ipmi_sensor_id_t sensor_id;
   char sensor_name[DATA_MAX_NAME_LEN];
   char sensor_type[DATA_MAX_NAME_LEN];
+  char type_instance[DATA_MAX_NAME_LEN];
   int sensor_not_present;
   c_ipmi_sensor_list_t *next;
   c_ipmi_instance_t *instance;
   unsigned int use;
 };
 
+struct c_ipmi_db_type_map_s {
+  enum ipmi_unit_type_e type;
+  const char *type_name;
+};
+typedef struct c_ipmi_db_type_map_s c_ipmi_db_type_map_t;
+
 /*
  * Module global variables
  */
@@ -151,6 +158,14 @@ static void c_ipmi_log(os_handler_t *handler, const char *format,
   }
 } /* void c_ipmi_log */
 
+static notification_t c_ipmi_notification_init(c_ipmi_instance_t const *st,
+                                               int severity) {
+  notification_t n = {severity, cdtime(), "", "", "ipmi", "", "", "", NULL};
+
+  sstrncpy(n.host, (st->host != NULL) ? st->host : hostname_g, sizeof(n.host));
+  return n;
+} /* notification_t c_ipmi_notification_init */
+
 /*
  * Sensor handlers
  */
@@ -164,7 +179,7 @@ static void sensor_read_handler(ipmi_sensor_t *sensor, int err,
                                 void *user_data) {
   value_list_t vl = VALUE_LIST_INIT;
 
-  c_ipmi_sensor_list_t *list_item = (c_ipmi_sensor_list_t *)user_data;
+  c_ipmi_sensor_list_t *list_item = user_data;
   c_ipmi_instance_t *st = list_item->instance;
 
   list_item->use--;
@@ -180,12 +195,9 @@ static void sensor_read_handler(ipmi_sensor_t *sensor, int err,
              list_item->sensor_name, st->name);
 
         if (st->notify_notpresent) {
-          notification_t n = {
-              NOTIF_WARNING, cdtime(), "", "", "ipmi", "", "", "", NULL};
+          notification_t n = c_ipmi_notification_init(st, NOTIF_WARNING);
 
-          sstrncpy(n.host, (st->host != NULL) ? st->host : hostname_g,
-                   sizeof(n.host));
-          sstrncpy(n.type_instance, list_item->sensor_name,
+          sstrncpy(n.type_instance, list_item->type_instance,
                    sizeof(n.type_instance));
           sstrncpy(n.type, list_item->sensor_type, sizeof(n.type));
           snprintf(n.message, sizeof(n.message), "sensor %s not present",
@@ -236,12 +248,9 @@ static void sensor_read_handler(ipmi_sensor_t *sensor, int err,
          list_item->sensor_name, st->name);
 
     if (st->notify_notpresent) {
-      notification_t n = {NOTIF_OKAY, cdtime(), "", "",  "ipmi",
-                          "",         "",       "", NULL};
+      notification_t n = c_ipmi_notification_init(st, NOTIF_OKAY);
 
-      sstrncpy(n.host, (st->host != NULL) ? st->host : hostname_g,
-               sizeof(n.host));
-      sstrncpy(n.type_instance, list_item->sensor_name,
+      sstrncpy(n.type_instance, list_item->type_instance,
                sizeof(n.type_instance));
       sstrncpy(n.type, list_item->sensor_type, sizeof(n.type));
       snprintf(n.message, sizeof(n.message), "sensor %s present",
@@ -283,7 +292,8 @@ static void sensor_read_handler(ipmi_sensor_t *sensor, int err,
     sstrncpy(vl.host, st->host, sizeof(vl.host));
   sstrncpy(vl.plugin, "ipmi", sizeof(vl.plugin));
   sstrncpy(vl.type, list_item->sensor_type, sizeof(vl.type));
-  sstrncpy(vl.type_instance, list_item->sensor_name, sizeof(vl.type_instance));
+  sstrncpy(vl.type_instance, list_item->type_instance,
+           sizeof(vl.type_instance));
 
   plugin_dispatch_values(&vl);
 } /* void sensor_read_handler */
@@ -336,6 +346,24 @@ static void sensor_get_name(ipmi_sensor_t *sensor, char *buffer, int buf_len) {
   sstrncpy(buffer, sensor_name, buf_len);
 }
 
+static const char *sensor_unit_to_type(ipmi_sensor_t *sensor) {
+  static const c_ipmi_db_type_map_t ipmi_db_type_map[] = {
+      {IPMI_UNIT_TYPE_WATTS, "power"}, {IPMI_UNIT_TYPE_CFM, "flow"}};
+
+  /* check the modifier and rate of the sensor value */
+  if ((ipmi_sensor_get_modifier_unit_use(sensor) != IPMI_MODIFIER_UNIT_NONE) ||
+      (ipmi_sensor_get_rate_unit(sensor) != IPMI_RATE_UNIT_NONE))
+    return NULL;
+
+  /* find the db type by using sensor base unit type */
+  enum ipmi_unit_type_e ipmi_type = ipmi_sensor_get_base_unit(sensor);
+  for (int i = 0; i < STATIC_ARRAY_SIZE(ipmi_db_type_map); i++)
+    if (ipmi_db_type_map[i].type == ipmi_type)
+      return ipmi_db_type_map[i].type_name;
+
+  return NULL;
+} /* const char* sensor_unit_to_type */
+
 static int sensor_list_add(c_ipmi_instance_t *st, ipmi_sensor_t *sensor) {
   ipmi_sensor_id_t sensor_id;
   c_ipmi_sensor_list_t *list_item;
@@ -375,10 +403,10 @@ static int sensor_list_add(c_ipmi_instance_t *st, ipmi_sensor_t *sensor) {
    *
    * ipmi_sensor_id_get_reading() supports only 'Threshold' sensors.
    * See lib/sensor.c:4842, stand_ipmi_sensor_get_reading() for details.
-  */
+   */
   if (!ipmi_sensor_get_is_readable(sensor)) {
     INFO("ipmi plugin: sensor_list_add: Ignore sensor `%s` of `%s`, "
-         "because it don't readable! Its type: (%#x, %s). ",
+         "because it isn't readable! Its type: (%#x, %s). ",
          sensor_name_ptr, st->name, sensor_type,
          ipmi_sensor_get_sensor_type_string(sensor));
     return -1;
@@ -411,7 +439,15 @@ static int sensor_list_add(c_ipmi_instance_t *st, ipmi_sensor_t *sensor) {
     type = "fanspeed";
     break;
 
+  case IPMI_SENSOR_TYPE_MEMORY:
+    type = "memory";
+    break;
+
   default: {
+    /* try to get collectd DB type based on sensor base unit type */
+    if ((type = sensor_unit_to_type(sensor)) != NULL)
+      break;
+
     INFO("ipmi plugin: sensor_list_add: Ignore sensor `%s` of `%s`, "
          "because I don't know how to handle its type (%#x, %s). "
          "If you need this sensor, please file a bug report.",
@@ -450,6 +486,18 @@ static int sensor_list_add(c_ipmi_instance_t *st, ipmi_sensor_t *sensor) {
   else
     st->sensor_list = list_item;
 
+  /* if sensor provides the percentage value, use "percent" collectd type
+     and add the `percent` to the type instance of the reported value */
+  if (ipmi_sensor_get_percentage(sensor)) {
+    snprintf(list_item->type_instance, sizeof(list_item->type_instance),
+             "percent-%s", sensor_name_ptr);
+    type = "percent";
+  } else {
+    /* use type instance as a name of the sensor */
+    sstrncpy(list_item->type_instance, sensor_name_ptr,
+             sizeof(list_item->type_instance));
+  }
+
   sstrncpy(list_item->sensor_name, sensor_name_ptr,
            sizeof(list_item->sensor_name));
   sstrncpy(list_item->sensor_type, type, sizeof(list_item->sensor_type));
@@ -457,11 +505,10 @@ static int sensor_list_add(c_ipmi_instance_t *st, ipmi_sensor_t *sensor) {
   pthread_mutex_unlock(&st->sensor_list_lock);
 
   if (st->notify_add && (st->init_in_progress == 0)) {
-    notification_t n = {NOTIF_OKAY, cdtime(), "", "", "ipmi", "", "", "", NULL};
+    notification_t n = c_ipmi_notification_init(st, NOTIF_OKAY);
 
-    sstrncpy(n.host, (st->host != NULL) ? st->host : hostname_g,
-             sizeof(n.host));
-    sstrncpy(n.type_instance, list_item->sensor_name, sizeof(n.type_instance));
+    sstrncpy(n.type_instance, list_item->type_instance,
+             sizeof(n.type_instance));
     sstrncpy(n.type, list_item->sensor_type, sizeof(n.type));
     snprintf(n.message, sizeof(n.message), "sensor %s added",
              list_item->sensor_name);
@@ -505,12 +552,10 @@ static int sensor_list_remove(c_ipmi_instance_t *st, ipmi_sensor_t *sensor) {
   pthread_mutex_unlock(&st->sensor_list_lock);
 
   if (st->notify_remove && st->active) {
-    notification_t n = {NOTIF_WARNING, cdtime(), "", "", "ipmi", "", "", "",
-                        NULL};
+    notification_t n = c_ipmi_notification_init(st, NOTIF_WARNING);
 
-    sstrncpy(n.host, (st->host != NULL) ? st->host : hostname_g,
-             sizeof(n.host));
-    sstrncpy(n.type_instance, list_item->sensor_name, sizeof(n.type_instance));
+    sstrncpy(n.type_instance, list_item->type_instance,
+             sizeof(n.type_instance));
     sstrncpy(n.type, list_item->sensor_type, sizeof(n.type));
     snprintf(n.message, sizeof(n.message), "sensor %s removed",
              list_item->sensor_name);
@@ -605,7 +650,7 @@ static int sensor_threshold_event_handler(
     enum ipmi_value_present_e value_present, unsigned int raw_value,
     double value, void *cb_data, ipmi_event_t *event) {
 
-  c_ipmi_instance_t *st = (c_ipmi_instance_t *)cb_data;
+  c_ipmi_instance_t *st = cb_data;
 
   /* From the IPMI specification Chapter 2: Events.
    * If a callback handles the event, then all future callbacks called due to
@@ -615,9 +660,9 @@ static int sensor_threshold_event_handler(
   if (event == NULL)
     return IPMI_EVENT_NOT_HANDLED;
 
+  notification_t n = c_ipmi_notification_init(st, NOTIF_OKAY);
   /* offset is a table index and it's represented as enum of strings that are
      organized in the way - high and low for each threshold severity level */
-  notification_t n = {NOTIF_OKAY, cdtime(), "", "", "ipmi", "", "", "", NULL};
   unsigned int offset = (2 * threshold) + high_low;
   unsigned int event_type = ipmi_sensor_get_event_reading_type(sensor);
   unsigned int sensor_type = ipmi_sensor_get_sensor_type(sensor);
@@ -635,7 +680,6 @@ static int sensor_threshold_event_handler(
 
   DEBUG("Threshold event received for sensor %s", n.type_instance);
 
-  sstrncpy(n.host, (st->host != NULL) ? st->host : hostname_g, sizeof(n.host));
   sstrncpy(n.type, ipmi_sensor_get_sensor_type_string(sensor), sizeof(n.type));
   n.severity = sensor_convert_threshold_severity(threshold);
   n.time = NS_TO_CDTIME_T(ipmi_event_get_timestamp(event));
@@ -677,7 +721,7 @@ static int sensor_discrete_event_handler(ipmi_sensor_t *sensor,
                                          int severity, int prev_severity,
                                          void *cb_data, ipmi_event_t *event) {
 
-  c_ipmi_instance_t *st = (c_ipmi_instance_t *)cb_data;
+  c_ipmi_instance_t *st = cb_data;
 
   /* From the IPMI specification Chapter 2: Events.
    * If a callback handles the event, then all future callbacks called due to
@@ -687,7 +731,7 @@ static int sensor_discrete_event_handler(ipmi_sensor_t *sensor,
   if (event == NULL)
     return IPMI_EVENT_NOT_HANDLED;
 
-  notification_t n = {NOTIF_OKAY, cdtime(), "", "", "ipmi", "", "", "", NULL};
+  notification_t n = c_ipmi_notification_init(st, NOTIF_OKAY);
   unsigned int event_type = ipmi_sensor_get_event_reading_type(sensor);
   unsigned int sensor_type = ipmi_sensor_get_sensor_type(sensor);
   const char *event_state =
@@ -698,7 +742,6 @@ static int sensor_discrete_event_handler(ipmi_sensor_t *sensor,
 
   DEBUG("Discrete event received for sensor %s", n.type_instance);
 
-  sstrncpy(n.host, (st->host != NULL) ? st->host : hostname_g, sizeof(n.host));
   sstrncpy(n.type, ipmi_sensor_get_sensor_type_string(sensor), sizeof(n.type));
   n.time = NS_TO_CDTIME_T(ipmi_event_get_timestamp(event));
 
@@ -731,7 +774,7 @@ static void
 entity_sensor_update_handler(enum ipmi_update_e op,
                              ipmi_entity_t __attribute__((unused)) * entity,
                              ipmi_sensor_t *sensor, void *user_data) {
-  c_ipmi_instance_t *st = (c_ipmi_instance_t *)user_data;
+  c_ipmi_instance_t *st = user_data;
 
   if ((op == IPMI_ADDED) || (op == IPMI_CHANGED)) {
     /* Will check for duplicate entries.. */
@@ -780,7 +823,7 @@ domain_entity_update_handler(enum ipmi_update_e op,
                              ipmi_domain_t __attribute__((unused)) * domain,
                              ipmi_entity_t *entity, void *user_data) {
   int status;
-  c_ipmi_instance_t *st = (c_ipmi_instance_t *)user_data;
+  c_ipmi_instance_t *st = user_data;
 
   if (op == IPMI_ADDED) {
     status = ipmi_entity_add_sensor_update_handler(
@@ -825,7 +868,7 @@ static void domain_connection_change_handler(ipmi_domain_t *domain, int err,
         "user_data = %p);",
         (void *)domain, err, conn_num, port_num, still_connected, user_data);
 
-  c_ipmi_instance_t *st = (c_ipmi_instance_t *)user_data;
+  c_ipmi_instance_t *st = user_data;
 
   if (err != 0)
     c_ipmi_error(st, "domain_connection_change_handler", err);
@@ -833,11 +876,8 @@ static void domain_connection_change_handler(ipmi_domain_t *domain, int err,
   if (!still_connected) {
 
     if (st->notify_conn && st->connected && st->init_in_progress == 0) {
-      notification_t n = {NOTIF_FAILURE, cdtime(), "", "", "ipmi", "", "", "",
-                          NULL};
+      notification_t n = c_ipmi_notification_init(st, NOTIF_FAILURE);
 
-      sstrncpy(n.host, (st->host != NULL) ? st->host : hostname_g,
-               sizeof(n.host));
       sstrncpy(n.message, "IPMI connection lost", sizeof(n.plugin));
 
       plugin_dispatch_notification(&n);
@@ -848,10 +888,8 @@ static void domain_connection_change_handler(ipmi_domain_t *domain, int err,
   }
 
   if (st->notify_conn && !st->connected && st->init_in_progress == 0) {
-    notification_t n = {NOTIF_OKAY, cdtime(), "", "", "ipmi", "", "", "", NULL};
+    notification_t n = c_ipmi_notification_init(st, NOTIF_OKAY);
 
-    sstrncpy(n.host, (st->host != NULL) ? st->host : hostname_g,
-             sizeof(n.host));
     sstrncpy(n.message, "IPMI connection restored", sizeof(n.plugin));
 
     plugin_dispatch_notification(&n);
@@ -878,7 +916,7 @@ static int c_ipmi_thread_init(c_ipmi_instance_t *st) {
 
   if (st->connaddr != NULL) {
     status = ipmi_ip_setup_con(
-        &st->connaddr, (char * [1]){IPMI_LAN_STD_PORT_STR}, 1, st->authtype,
+        &st->connaddr, &(char *){IPMI_LAN_STD_PORT_STR}, 1, st->authtype,
         (unsigned int)IPMI_PRIVILEGE_USER, st->username, strlen(st->username),
         st->password, strlen(st->password), os_handler,
         /* user data = */ NULL, &st->connection);
@@ -921,7 +959,7 @@ static int c_ipmi_thread_init(c_ipmi_instance_t *st) {
 } /* int c_ipmi_thread_init */
 
 static void *c_ipmi_thread_main(void *user_data) {
-  c_ipmi_instance_t *st = (c_ipmi_instance_t *)user_data;
+  c_ipmi_instance_t *st = user_data;
 
   int status = c_ipmi_thread_init(st);
   if (status != 0) {