Add request specific statistics to all CURL-based plugins.

[collectd.git] / src / curl_json.c

diff --git a/src/curl_json.c b/src/curl_json.c
index 556263f..1cf6381 100644 (file)
--- a/src/curl_json.c
+++ b/src/curl_json.c
@@ -27,6 +27,7 @@
 #include "configfile.h"
 #include "utils_avltree.h"
 #include "utils_complain.h"
+#include "utils_curl_stats.h"
 
 #include <sys/types.h>
 #include <sys/un.h>
@@ -78,6 +79,7 @@ struct cj_s /* {{{ */
   char *post_body;
   cdtime_t interval;
   int timeout;
+  curl_stats_t *stats;
 
   CURL *curl;
   char curl_errbuf[CURL_ERROR_SIZE];
@@ -116,7 +118,7 @@ static size_t cj_curl_callback (void *buf, /* {{{ */
 
   len = size * nmemb;
 
-  if (len <= 0)
+  if (len == 0)
     return (len);
 
   db = user_data;
@@ -432,6 +434,7 @@ static void cj_free (void *arg) /* {{{ */
   sfree (db->cacert);
   sfree (db->post_body);
   curl_slist_free_all (db->headers);
+  curl_stats_destroy (db->stats);
 
   sfree (db);
 } /* }}} void cj_free */
@@ -446,16 +449,19 @@ static c_avl_tree_t *cj_avl_create(void)
 static int cj_config_append_string (const char *name, struct curl_slist **dest, /* {{{ */
     oconfig_item_t *ci)
 {
+  struct curl_slist *temp = NULL;
   if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
   {
     WARNING ("curl_json plugin: `%s' needs exactly one string argument.", name);
     return (-1);
   }
 
-  *dest = curl_slist_append(*dest, ci->values[0].value.string);
-  if (*dest == NULL)
+  temp = curl_slist_append(*dest, ci->values[0].value.string);
+  if (temp == NULL)
     return (-1);
 
+  *dest = temp;
+
   return (0);
 } /* }}} int cj_config_append_string */
 
@@ -474,13 +480,12 @@ static int cj_config_add_key (cj_t *db, /* {{{ */
     return (-1);
   }
 
-  key = (cj_key_t *) malloc (sizeof (*key));
+  key = calloc (1, sizeof (*key));
   if (key == NULL)
   {
-    ERROR ("curl_json plugin: malloc failed.");
+    ERROR ("curl_json plugin: calloc failed.");
     return (-1);
   }
-  memset (key, 0, sizeof (*key));
   key->magic = CJ_KEY_MAGIC;
 
   if (strcasecmp ("Key", ci->key) == 0)
@@ -615,7 +620,7 @@ static int cj_init_curl (cj_t *db) /* {{{ */
     if (db->pass != NULL)
       credentials_size += strlen (db->pass);
 
-    db->credentials = (char *) malloc (credentials_size);
+    db->credentials = malloc (credentials_size);
     if (db->credentials == NULL)
     {
       ERROR ("curl_json plugin: malloc failed.");
@@ -667,13 +672,12 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
     return (-1);
   }
 
-  db = (cj_t *) malloc (sizeof (*db));
+  db = calloc (1, sizeof (*db));
   if (db == NULL)
   {
-    ERROR ("curl_json plugin: malloc failed.");
+    ERROR ("curl_json plugin: calloc failed.");
     return (-1);
   }
-  memset (db, 0, sizeof (*db));
 
   db->timeout = -1;
 
@@ -725,6 +729,12 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
       status = cf_util_get_cdtime(child, &db->interval);
     else if (strcasecmp ("Timeout", child->key) == 0)
       status = cf_util_get_int (child, &db->timeout);
+    else if (strcasecmp ("Statistics", child->key) == 0)
+    {
+      db->stats = curl_stats_from_config (child);
+      if (db->stats == NULL)
+        status = -1;
+    }
     else
     {
       WARNING ("curl_json plugin: Option `%s' not allowed here.", child->key);
@@ -822,21 +832,22 @@ static int cj_config (oconfig_item_t *ci) /* {{{ */
 
 /* }}} End of configuration handling functions */
 
+static const char *cj_host (cj_t *db) /* {{{ */
+{
+  if ((db->host == NULL)
+      || (strcmp ("", db->host) == 0)
+      || (strcmp (CJ_DEFAULT_HOST, db->host) == 0))
+    return hostname_g;
+  return db->host;
+} /* }}} cj_host */
+
 static void cj_submit (cj_t *db, cj_key_t *key, value_t *value) /* {{{ */
 {
   value_list_t vl = VALUE_LIST_INIT;
-  char *host;
 
   vl.values     = value;
   vl.values_len = 1;
 
-  if ((db->host == NULL)
-      || (strcmp ("", db->host) == 0)
-      || (strcmp (CJ_DEFAULT_HOST, db->host) == 0))
-    host = hostname_g;
-  else
-    host = db->host;
-
   if (key->instance == NULL)
   {
     int i, len = 0;
@@ -847,7 +858,7 @@ static void cj_submit (cj_t *db, cj_key_t *key, value_t *value) /* {{{ */
   else
     sstrncpy (vl.type_instance, key->instance, sizeof (vl.type_instance));
 
-  sstrncpy (vl.host, host, sizeof (vl.host));
+  sstrncpy (vl.host, cj_host (db), sizeof (vl.host));
   sstrncpy (vl.plugin, "curl_json", sizeof (vl.plugin));
   sstrncpy (vl.plugin_instance, db->instance, sizeof (vl.plugin_instance));
   sstrncpy (vl.type, key->type, sizeof (vl.type));
@@ -861,7 +872,7 @@ static void cj_submit (cj_t *db, cj_key_t *key, value_t *value) /* {{{ */
 static int cj_sock_perform (cj_t *db) /* {{{ */
 {
   char errbuf[1024];
-  struct sockaddr_un sa_unix = {};
+  struct sockaddr_un sa_unix = { 0 };
   sa_unix.sun_family = AF_UNIX;
   sstrncpy (sa_unix.sun_path, db->sock, sizeof (sa_unix.sun_path));
 
@@ -910,6 +921,8 @@ static int cj_curl_perform(cj_t *db) /* {{{ */
            status, db->curl_errbuf, url);
     return (-1);
   }
+  if (db->stats != NULL)
+    curl_stats_dispatch (db->stats, db->curl, cj_host (db), "curl_json", db->instance, NULL);
 
   curl_easy_getinfo(db->curl, CURLINFO_EFFECTIVE_URL, &url);
   curl_easy_getinfo(db->curl, CURLINFO_RESPONSE_CODE, &rc);