curl_json: Add support for specifying a connection timeout

[collectd.git] / src / curl_json.c

diff --git a/src/curl_json.c b/src/curl_json.c
index 8a084fe..4cd4aec 100644 (file)
--- a/src/curl_json.c
+++ b/src/curl_json.c
@@ -78,6 +78,7 @@ struct cj_s /* {{{ */
   struct curl_slist *headers;
   char *post_body;
   cdtime_t interval;
+  int timeout;
 
   CURL *curl;
   char curl_errbuf[CURL_ERROR_SIZE];
@@ -231,12 +232,17 @@ static int cj_cb_number (void *ctx,
   buffer[sizeof (buffer) - 1] = 0;
 
   if ((key == NULL) || !CJ_IS_KEY (key)) {
-    if (key != NULL)
+    if (key != NULL && !db->state[db->depth].in_array/*can be inhomogeneous*/)
       NOTICE ("curl_json plugin: Found \"%s\", but the configuration expects"
               " a map.", buffer);
-    cj_cb_inc_array_index (ctx, /* update_key = */ 0);
-    return (CJ_CB_CONTINUE);
-  } else {
+    cj_cb_inc_array_index (ctx, /* update_key = */ 1);
+    key = db->state[db->depth].key;
+    if (key == NULL) {
+      return (CJ_CB_CONTINUE);
+    }
+  }
+  else
+  {
     cj_cb_inc_array_index (ctx, /* update_key = */ 1);
   }
 
@@ -276,10 +282,21 @@ static int cj_cb_map_key (void *ctx,
     memcpy (name, in_name, name_len);
     name[name_len] = 0;
 
-    if (c_avl_get (tree, name, (void *) &value) == 0)
-      db->state[db->depth].key = value;
+    if (c_avl_get (tree, name, (void *) &value) == 0) {
+      if (CJ_IS_KEY((cj_key_t*)value)) {
+        db->state[db->depth].key = value;
+      }
+      else {
+        db->state[db->depth].tree = (c_avl_tree_t*) value;
+      }
+    }
     else if (c_avl_get (tree, CJ_ANY, (void *) &value) == 0)
-      db->state[db->depth].key = value;
+      if (CJ_IS_KEY((cj_key_t*)value)) {
+        db->state[db->depth].key = value;
+      }
+      else {
+        db->state[db->depth].tree = (c_avl_tree_t*) value;
+      }
     else
       db->state[db->depth].key = NULL;
   }
@@ -592,6 +609,8 @@ static int cj_init_curl (cj_t *db) /* {{{ */
   curl_easy_setopt (db->curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT);
   curl_easy_setopt (db->curl, CURLOPT_ERRORBUFFER, db->curl_errbuf);
   curl_easy_setopt (db->curl, CURLOPT_URL, db->url);
+  curl_easy_setopt (db->curl, CURLOPT_FOLLOWLOCATION, 1L);
+  curl_easy_setopt (db->curl, CURLOPT_MAXREDIRS, 50L);
 
   if (db->user != NULL)
   {
@@ -631,6 +650,10 @@ static int cj_init_curl (cj_t *db) /* {{{ */
     curl_easy_setopt (db->curl, CURLOPT_HTTPHEADER, db->headers);
   if (db->post_body != NULL)
     curl_easy_setopt (db->curl, CURLOPT_POSTFIELDS, db->post_body);
+  curl_easy_setopt (db->curl, CURLOPT_TIMEOUT_MS,
+      db->timeout > 0 ?
+      db->timeout :
+      ( db->interval > 0 ? db->interval : cf_get_default_interval () ));
 
   return (0);
 } /* }}} int cj_init_curl */
@@ -702,6 +725,8 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
       status = cj_config_add_key (db, child);
     else if (strcasecmp ("Interval", child->key) == 0)
       status = cf_util_get_cdtime(child, &db->interval);
+    else if (strcasecmp ("Timeout", child->key) == 0)
+      status = cf_util_get_int (child, &db->timeout);
     else
     {
       WARNING ("curl_json plugin: Option `%s' not allowed here.", child->key);