core: Added plugin name to (some) error reporting

[collectd.git] / src / daemon / plugin.c

diff --git a/src/daemon/plugin.c b/src/daemon/plugin.c
index 72e3591..73d7c84 100644 (file)
--- a/src/daemon/plugin.c
+++ b/src/daemon/plugin.c
@@ -292,10 +292,10 @@ static int register_callback(llist_t **list, /* {{{ */
     old_cf = le->value;
     le->value = cf;
 
-    WARNING("plugin: register_callback: "
-            "a callback named `%s' already exists - "
-            "overwriting the old entry!",
-            name);
+    P_WARNING("register_callback: "
+              "a callback named `%s' already exists - "
+              "overwriting the old entry!",
+              name);
 
     destroy_callback(old_cf);
     sfree(key);
@@ -315,7 +315,7 @@ static void log_list_callbacks(llist_t **list, /* {{{ */
 
   n = llist_size(*list);
   if (n == 0) {
-    INFO("%s [none]", comment);
+    INFO("%s: [none]", comment);
     return;
   }
 
@@ -347,7 +347,7 @@ static int create_register_callback(llist_t **list, /* {{{ */
                                     const char *name, void *callback,
                                     user_data_t const *ud) {
 
-  if ((name == NULL) || (callback == NULL))
+  if (name == NULL || callback == NULL)
     return EINVAL;
 
   callback_func_t *cf = calloc(1, sizeof(*cf));
@@ -713,25 +713,8 @@ plugin_value_list_clone(value_list_t const *vl_orig) /* {{{ */
     vl->time = cdtime();
 
   /* Fill in the interval from the thread context, if it is zero. */
-  if (vl->interval == 0) {
-    plugin_ctx_t ctx = plugin_get_ctx();
-
-    if (ctx.interval != 0)
-      vl->interval = ctx.interval;
-    else {
-      char name[6 * DATA_MAX_NAME_LEN];
-      FORMAT_VL(name, sizeof(name), vl);
-      ERROR("plugin_value_list_clone: Unable to determine "
-            "interval from context for "
-            "value list \"%s\". "
-            "This indicates a broken plugin. "
-            "Please report this problem to the "
-            "collectd mailing list or at "
-            "<http://collectd.org/bugs/>.",
-            name);
-      vl->interval = cf_get_default_interval();
-    }
-  }
+  if (vl->interval == 0)
+    vl->interval = plugin_get_interval();
 
   return vl;
 } /* }}} value_list_t *plugin_value_list_clone */
@@ -1114,9 +1097,9 @@ static int plugin_insert_read(read_func_t *rf) {
   le = llist_search(read_list, rf->rf_name);
   if (le != NULL) {
     pthread_mutex_unlock(&read_lock);
-    WARNING("The read function \"%s\" is already registered. "
-            "Check for duplicates in your configuration!",
-            rf->rf_name);
+    P_WARNING("The read function \"%s\" is already registered. "
+              "Check for duplicates in your configuration!",
+              rf->rf_name);
     return EINVAL;
   }
 
@@ -1162,6 +1145,7 @@ int plugin_register_read(const char *name, int (*callback)(void)) {
   rf->rf_name = strdup(name);
   rf->rf_type = RF_SIMPLE;
   rf->rf_interval = plugin_get_interval();
+  rf->rf_ctx.interval = rf->rf_interval;
 
   status = plugin_insert_read(rf);
   if (status != 0) {
@@ -1203,6 +1187,7 @@ int plugin_register_complex_read(const char *group, const char *name,
   }
 
   rf->rf_ctx = plugin_get_ctx();
+  rf->rf_ctx.interval = rf->rf_interval;
 
   status = plugin_insert_read(rf);
   if (status != 0) {
@@ -2208,7 +2193,7 @@ int plugin_dispatch_notification(const notification_t *notif) {
 } /* int plugin_dispatch_notification */
 
 void plugin_log(int level, const char *format, ...) {
-  char msg[1024] = "";
+  char msg[1024];
   va_list ap;
   llentry_t *le;
 
@@ -2217,13 +2202,9 @@ void plugin_log(int level, const char *format, ...) {
     return;
 #endif
 
-  char const *name = plugin_get_ctx().name;
-  if (name != NULL)
-    snprintf(msg, sizeof(msg), "%s plugin: ", name);
-
   va_start(ap, format);
-  vsnprintf(msg + strlen(msg), sizeof(msg) - strlen(msg), format, ap);
-  msg[sizeof(msg) - 1] = 0;
+  vsnprintf(msg, sizeof(msg), format, ap);
+  msg[sizeof(msg) - 1] = '\0';
   va_end(ap);
 
   if (list_log == NULL) {
@@ -2248,6 +2229,21 @@ void plugin_log(int level, const char *format, ...) {
   }
 } /* void plugin_log */
 
+void daemon_log(int level, const char *format, ...) {
+  char msg[1024] = ""; // Size inherits from plugin_log()
+
+  char const *name = plugin_get_ctx().name;
+  if (name == NULL)
+    name = "UNKNOWN";
+
+  va_list ap;
+  va_start(ap, format);
+  vsnprintf(msg, sizeof(msg), format, ap);
+  va_end(ap);
+
+  plugin_log(level, "%s plugin: %s", name, msg);
+} /* void daemon_log */
+
 int parse_log_severity(const char *severity) {
   int log_level = -1;
 
@@ -2287,7 +2283,7 @@ const data_set_t *plugin_get_ds(const char *name) {
   data_set_t *ds;
 
   if (data_sets == NULL) {
-    ERROR("plugin_get_ds: No data sets are defined yet.");
+    P_ERROR("plugin_get_ds: No data sets are defined yet.");
     return NULL;
   }
 
@@ -2518,6 +2514,8 @@ cdtime_t plugin_get_interval(void) {
   if (interval > 0)
     return interval;
 
+  P_ERROR("plugin_get_interval: Unable to determine Interval from context.");
+
   return cf_get_default_interval();
 } /* cdtime_t plugin_get_interval */