Replace zu with PRIu64 and llu with new macro, PRIsz, which will make it easier to...

[collectd.git] / src / write_http.c

diff --git a/src/write_http.c b/src/write_http.c
index 06327ed..024dccc 100644 (file)
--- a/src/write_http.c
+++ b/src/write_http.c
@@ -36,6 +36,10 @@
 #define WRITE_HTTP_DEFAULT_BUFFER_SIZE 4096
 #endif
 
+#ifndef WRITE_HTTP_DEFAULT_PREFIX
+#define WRITE_HTTP_DEFAULT_PREFIX "collectd"
+#endif
+
 /*
  * Private variables
  */
@@ -80,6 +84,7 @@ struct wh_callback_s {
   pthread_mutex_t send_lock;
 
   int data_ttl;
+  char *metrics_prefix;
 };
 typedef struct wh_callback_s wh_callback_t;
 
@@ -223,7 +228,7 @@ static int wh_flush_nolock(cdtime_t timeout, wh_callback_t *cb) /* {{{ */
   int status;
 
   DEBUG("write_http plugin: wh_flush_nolock: timeout = %.3f; "
-        "send_buffer_fill = %zu;",
+        "send_buffer_fill = %" PRIsz ";",
         CDTIME_T_TO_DOUBLE(timeout), cb->send_buffer_fill);
 
   /* timeout == 0  => flush unconditionally */
@@ -328,6 +333,7 @@ static void wh_callback_free(void *data) /* {{{ */
   sfree(cb->clientcert);
   sfree(cb->clientkeypass);
   sfree(cb->send_buffer);
+  sfree(cb->metrics_prefix);
 
   sfree(cb);
 } /* }}} void wh_callback_free */
@@ -374,7 +380,7 @@ static int wh_write_command(const data_set_t *ds,
                                  CDTIME_T_TO_DOUBLE(vl->interval), values);
   if (command_len >= sizeof(command)) {
     ERROR("write_http plugin: Command buffer too small: "
-          "Need %zu bytes.",
+          "Need %" PRIsz " bytes.",
           command_len + 1);
     return -1;
   }
@@ -404,8 +410,8 @@ static int wh_write_command(const data_set_t *ds,
   cb->send_buffer_fill += command_len;
   cb->send_buffer_free -= command_len;
 
-  DEBUG("write_http plugin: <%s> buffer %zu/%zu (%g%%) \"%s\"", cb->location,
-        cb->send_buffer_fill, cb->send_buffer_size,
+  DEBUG("write_http plugin: <%s> buffer %" PRIsz "/%" PRIsz " (%g%%) \"%s\"",
+        cb->location, cb->send_buffer_fill, cb->send_buffer_size,
         100.0 * ((double)cb->send_buffer_fill) / ((double)cb->send_buffer_size),
         command);
 
@@ -446,8 +452,8 @@ static int wh_write_json(const data_set_t *ds, const value_list_t *vl, /* {{{ */
     return status;
   }
 
-  DEBUG("write_http plugin: <%s> buffer %zu/%zu (%g%%)", cb->location,
-        cb->send_buffer_fill, cb->send_buffer_size,
+  DEBUG("write_http plugin: <%s> buffer %" PRIsz "/%" PRIsz " (%g%%)",
+        cb->location, cb->send_buffer_fill, cb->send_buffer_size,
         100.0 * ((double)cb->send_buffer_fill) /
             ((double)cb->send_buffer_size));
 
@@ -476,7 +482,7 @@ static int wh_write_kairosdb(const data_set_t *ds,
   status = format_kairosdb_value_list(
       cb->send_buffer, &cb->send_buffer_fill, &cb->send_buffer_free, ds, vl,
       cb->store_rates, (char const *const *)http_attrs, http_attrs_num,
-      cb->data_ttl);
+      cb->data_ttl, cb->metrics_prefix);
   if (status == -ENOMEM) {
     status = wh_flush_nolock(/* timeout = */ 0, cb);
     if (status != 0) {
@@ -488,15 +494,15 @@ static int wh_write_kairosdb(const data_set_t *ds,
     status = format_kairosdb_value_list(
         cb->send_buffer, &cb->send_buffer_fill, &cb->send_buffer_free, ds, vl,
         cb->store_rates, (char const *const *)http_attrs, http_attrs_num,
-        cb->data_ttl);
+        cb->data_ttl, cb->metrics_prefix);
   }
   if (status != 0) {
     pthread_mutex_unlock(&cb->send_lock);
     return status;
   }
 
-  DEBUG("write_http plugin: <%s> buffer %zu/%zu (%g%%)", cb->location,
-        cb->send_buffer_fill, cb->send_buffer_size,
+  DEBUG("write_http plugin: <%s> buffer %" PRIsz "/%" PRIsz " (%g%%)",
+        cb->location, cb->send_buffer_fill, cb->send_buffer_size,
         100.0 * ((double)cb->send_buffer_fill) /
             ((double)cb->send_buffer_size));
 
@@ -629,6 +635,13 @@ static int wh_config_node(oconfig_item_t *ci) /* {{{ */
   cb->send_metrics = 1;
   cb->send_notifications = 0;
   cb->data_ttl = 0;
+  cb->metrics_prefix = strdup(WRITE_HTTP_DEFAULT_PREFIX);
+
+  if (cb->metrics_prefix == NULL) {
+    ERROR("write_http plugin: strdup failed.");
+    sfree(cb);
+    return -1;
+  }
 
   pthread_mutex_init(&cb->send_lock, /* attr = */ NULL);
 
@@ -740,6 +753,8 @@ static int wh_config_node(oconfig_item_t *ci) /* {{{ */
       sfree(val);
     } else if (strcasecmp("TTL", child->key) == 0) {
       status = cf_util_get_int(child, &cb->data_ttl);
+    } else if (strcasecmp("Prefix", child->key) == 0) {
+      status = cf_util_get_string(child, &cb->metrics_prefix);
     } else {
       ERROR("write_http plugin: Invalid configuration "
             "option: %s.",
@@ -770,6 +785,9 @@ static int wh_config_node(oconfig_item_t *ci) /* {{{ */
     return -1;
   }
 
+  if (strlen(cb->metrics_prefix) == 0)
+    sfree(cb->metrics_prefix);
+
   if (cb->low_speed_limit > 0)
     cb->low_speed_time = CDTIME_T_TO_TIME_T(plugin_get_interval());
 
@@ -784,7 +802,8 @@ static int wh_config_node(oconfig_item_t *ci) /* {{{ */
   /* Allocate the buffer. */
   cb->send_buffer = malloc(cb->send_buffer_size);
   if (cb->send_buffer == NULL) {
-    ERROR("write_http plugin: malloc(%zu) failed.", cb->send_buffer_size);
+    ERROR("write_http plugin: malloc(%" PRIsz ") failed.",
+          cb->send_buffer_size);
     wh_callback_free(cb);
     return -1;
   }