Merge remote-tracking branch 'origin/pr/752' into wh_low_speed_limit
[collectd.git] / src / write_http.c
index a48cdf3..0e1bc73 100644 (file)
@@ -45,8 +45,9 @@
  */
 struct wh_callback_s
 {
-        char *location;
+        char *name;
 
+        char *location;
         char *user;
         char *pass;
         char *credentials;
@@ -58,7 +59,7 @@ struct wh_callback_s
         char *clientcert;
         char *clientkeypass;
         long sslversion;
-        _Bool store_rates; 
+        _Bool store_rates;
         _Bool abort_on_slow;
         int   low_limit_bytes;
         time_t interval;
@@ -125,16 +126,16 @@ static int wh_callback_init (wh_callback_t *cb) /* {{{ */
                 return (-1);
         }
 
-        if(cb->abort_on_slow && cb->interval > 0)
+        if (cb->abort_on_slow && cb->interval > 0)
         {
-            curl_easy_setopt(cb->curl, CURLOPT_LOW_SPEED_LIMIT, (cb->low_limit_bytes?cb->low_limit_bytes:WH_DEFAULT_LOW_LIMIT_BYTES_PER_SEC));
-            curl_easy_setopt(cb->curl, CURLOPT_LOW_SPEED_TIME, cb->interval);
-        }
-        if(cb->post_timeout >0)
-        {
-           curl_easy_setopt(cb->curl, CURLOPT_TIMEOUT, cb->post_timeout);
+                curl_easy_setopt (cb->curl, CURLOPT_LOW_SPEED_LIMIT,
+                                  (cb->low_limit_bytes ? cb->low_limit_bytes : WH_DEFAULT_LOW_LIMIT_BYTES_PER_SEC));
+                curl_easy_setopt (cb->curl, CURLOPT_LOW_SPEED_TIME, cb->interval);
         }
 
+        if (cb->post_timeout > 0)
+                curl_easy_setopt (cb->curl, CURLOPT_TIMEOUT, cb->post_timeout);
+
         curl_easy_setopt (cb->curl, CURLOPT_NOSIGNAL, 1L);
         curl_easy_setopt (cb->curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT);
 
@@ -149,9 +150,16 @@ static int wh_callback_init (wh_callback_t *cb) /* {{{ */
 
         curl_easy_setopt (cb->curl, CURLOPT_ERRORBUFFER, cb->curl_errbuf);
         curl_easy_setopt (cb->curl, CURLOPT_URL, cb->location);
+        curl_easy_setopt (cb->curl, CURLOPT_FOLLOWLOCATION, 1L);
+        curl_easy_setopt (cb->curl, CURLOPT_MAXREDIRS, 50L);
 
         if (cb->user != NULL)
         {
+#ifdef HAVE_CURLOPT_USERNAME
+                curl_easy_setopt (cb->curl, CURLOPT_USERNAME, cb->user);
+                curl_easy_setopt (cb->curl, CURLOPT_PASSWORD,
+                        (cb->pass == NULL) ? "" : cb->pass);
+#else
                 size_t credentials_size;
 
                 credentials_size = strlen (cb->user) + 2;
@@ -168,6 +176,7 @@ static int wh_callback_init (wh_callback_t *cb) /* {{{ */
                 ssnprintf (cb->credentials, credentials_size, "%s:%s",
                                 cb->user, (cb->pass == NULL) ? "" : cb->pass);
                 curl_easy_setopt (cb->curl, CURLOPT_USERPWD, cb->credentials);
+#endif
                 curl_easy_setopt (cb->curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
         }
 
@@ -304,6 +313,7 @@ static void wh_callback_free (void *data) /* {{{ */
                 curl_easy_cleanup (cb->curl);
                 cb->curl = NULL;
         }
+        sfree (cb->name);
         sfree (cb->location);
         sfree (cb->user);
         sfree (cb->pass);
@@ -410,7 +420,7 @@ static int wh_write_json (const data_set_t *ds, const value_list_t *vl, /* {{{ *
                 wh_callback_t *cb)
 {
         int status;
-               
+
         pthread_mutex_lock (&cb->send_lock);
 
         if (cb->curl == NULL)
@@ -509,11 +519,12 @@ static int config_set_format (wh_callback_t *cb, /* {{{ */
         return (0);
 } /* }}} int config_set_format */
 
-static int wh_config_url (oconfig_item_t *ci) /* {{{ */
+static int wh_config_node (oconfig_item_t *ci) /* {{{ */
 {
         wh_callback_t *cb;
         int buffer_size = 0;
         user_data_t user_data;
+        char callback_name[DATA_MAX_NAME_LEN];
         int i;
 
         cb = malloc (sizeof (*cb));
@@ -532,15 +543,19 @@ static int wh_config_url (oconfig_item_t *ci) /* {{{ */
 
         pthread_mutex_init (&cb->send_lock, /* attr = */ NULL);
 
-        cf_util_get_string (ci, &cb->location);
-        if (cb->location == NULL)
-                return (-1);
+        cf_util_get_string (ci, &cb->name);
+
+        /* FIXME: Remove this legacy mode in version 6. */
+        if (strcasecmp ("URL", ci->key) == 0)
+                cf_util_get_string (ci, &cb->location);
 
         for (i = 0; i < ci->children_num; i++)
         {
                 oconfig_item_t *child = ci->children + i;
 
-                if (strcasecmp ("User", child->key) == 0)
+                if (strcasecmp ("URL", child->key) == 0)
+                        cf_util_get_string (child, &cb->location);
+                else if (strcasecmp ("User", child->key) == 0)
                         cf_util_get_string (child, &cb->user);
                 else if (strcasecmp ("Password", child->key) == 0)
                         cf_util_get_string (child, &cb->pass);
@@ -605,16 +620,21 @@ static int wh_config_url (oconfig_item_t *ci) /* {{{ */
                 }
         }
 
-        if(cb->abort_on_slow)
-        {
-               cb->interval = CDTIME_T_TO_TIME_T(plugin_get_interval());
-        }
-        if(cb->post_timeout == 0)
+        if (cb->location == NULL)
         {
-               //setting default timeout to plugin interval.
-               cb->post_timeout = CDTIME_T_TO_TIME_T(plugin_get_interval());
+                ERROR ("write_http plugin: no URL defined for instance '%s'",
+                        cb->name);
+                wh_callback_free (cb);
+                return (-1);
         }
 
+        if (cb->abort_on_slow)
+                cb->interval = CDTIME_T_TO_TIME_T(plugin_get_interval());
+
+        if (cb->post_timeout == 0)
+                //setting default timeout to plugin interval.
+                cb->post_timeout = CDTIME_T_TO_TIME_T(plugin_get_interval());
+
         /* Determine send_buffer_size. */
         cb->send_buffer_size = WRITE_HTTP_DEFAULT_BUFFER_SIZE;
         if (buffer_size >= 1024)
@@ -634,19 +654,21 @@ static int wh_config_url (oconfig_item_t *ci) /* {{{ */
         /* Nulls the buffer and sets ..._free and ..._fill. */
         wh_reset_buffer (cb);
 
-        DEBUG ("write_http: Registering write callback with URL %s",
-                        cb->location);
+        ssnprintf (callback_name, sizeof (callback_name), "write_http/%s",
+                        cb->name);
+        DEBUG ("write_http: Registering write callback '%s' with URL '%s'",
+                        callback_name, cb->location);
 
         memset (&user_data, 0, sizeof (user_data));
         user_data.data = cb;
         user_data.free_func = NULL;
-        plugin_register_flush ("write_http", wh_flush, &user_data);
+        plugin_register_flush (callback_name, wh_flush, &user_data);
 
         user_data.free_func = wh_callback_free;
-        plugin_register_write ("write_http", wh_write, &user_data);
+        plugin_register_write (callback_name, wh_write, &user_data);
 
         return (0);
-} /* }}} int wh_config_url */
+} /* }}} int wh_config_node */
 
 static int wh_config (oconfig_item_t *ci) /* {{{ */
 {
@@ -656,8 +678,14 @@ static int wh_config (oconfig_item_t *ci) /* {{{ */
         {
                 oconfig_item_t *child = ci->children + i;
 
-                if (strcasecmp ("URL", child->key) == 0)
-                        wh_config_url (child);
+                if (strcasecmp ("Node", child->key) == 0)
+                        wh_config_node (child);
+                /* FIXME: Remove this legacy mode in version 6. */
+                else if (strcasecmp ("URL", child->key) == 0) {
+                        WARNING ("write_http plugin: Legacy <URL> block found. "
+                                "Please use <Node> instead.");
+                        wh_config_node (child);
+                }
                 else
                 {
                         ERROR ("write_http plugin: Invalid configuration "