X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcurl_json.c;h=8a084fed6fb9bb3bbb3d4c619579f9a83317b97d;hb=59547eb66a3743ca0b458222d7a4318f3e659a60;hp=42a3a10c8f3d3174d29acd095b2d7ab18d7c317c;hpb=e616449c23b1320b1f18f37a8a6f4b0e0b9c458d;p=collectd.git

diff --git a/src/curl_json.c b/src/curl_json.c
index 42a3a10c..98ba0bb2 100644
--- a/src/curl_json.c
+++ b/src/curl_json.c
@@ -71,11 +71,14 @@ struct cj_s /* {{{ */
   char *user;
   char *pass;
   char *credentials;
+  _Bool digest;
   _Bool verify_peer;
   _Bool verify_host;
   char *cacert;
   struct curl_slist *headers;
   char *post_body;
+  cdtime_t interval;
+  int timeout;
 
   CURL *curl;
   char curl_errbuf[CURL_ERROR_SIZE];
@@ -229,12 +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);
   }
 
@@ -274,10 +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;
   }
@@ -484,6 +503,7 @@ static int cj_config_add_key (cj_t *db, /* {{{ */
   {
     ERROR ("curl_json plugin: cj_config: "
            "Invalid key: %s", ci->key);
+    cj_key_free (key);
     return (-1);
   }
 
@@ -506,72 +526,68 @@ static int cj_config_add_key (cj_t *db, /* {{{ */
       break;
   } /* for (i = 0; i < ci->children_num; i++) */
 
-  while (status == 0)
+  if (status != 0)
   {
-    if (key->type == NULL)
-    {
-      WARNING ("curl_json plugin: `Type' missing in `Key' block.");
-      status = -1;
-    }
+    cj_key_free (key);
+    return (-1);
+  }
 
-    break;
-  } /* while (status == 0) */
+  if (key->type == NULL)
+  {
+    WARNING ("curl_json plugin: `Type' missing in `Key' block.");
+    cj_key_free (key);
+    return (-1);
+  }
 
   /* store path in a tree that will match the json map structure, example:
    * "httpd/requests/count",
    * "httpd/requests/current" ->
    * { "httpd": { "requests": { "count": $key, "current": $key } } }
    */
-  if (status == 0)
+  char *ptr;
+  char *name;
+  c_avl_tree_t *tree;
+
+  if (db->tree == NULL)
+    db->tree = cj_avl_create();
+
+  tree = db->tree;
+  ptr = key->path;
+  if (*ptr == '/')
+    ++ptr;
+
+  name = ptr;
+  while ((ptr = strchr (name, '/')) != NULL)
   {
-    char *ptr;
-    char *name;
     char ent[PATH_MAX];
-    c_avl_tree_t *tree;
+    c_avl_tree_t *value;
+    size_t len;
 
-    if (db->tree == NULL)
-      db->tree = cj_avl_create();
+    len = ptr - name;
+    if (len == 0)
+      break;
 
-    tree = db->tree;
-    name = key->path;
-    ptr = key->path;
-    if (*ptr == '/')
-      ++ptr;
+    len = COUCH_MIN(len, sizeof (ent)-1);
+    sstrncpy (ent, name, len+1);
 
-    name = ptr;
-    while (*ptr)
+    if (c_avl_get (tree, ent, (void *) &value) != 0)
     {
-      if (*ptr == '/')
-      {
-        c_avl_tree_t *value;
-        int len;
-
-        len = ptr-name;
-        if (len == 0)
-          break;
-        len = COUCH_MIN(len, sizeof (ent)-1);
-        sstrncpy (ent, name, len+1);
-
-        if (c_avl_get (tree, ent, (void *) &value) != 0)
-        {
-          value = cj_avl_create ();
-          c_avl_insert (tree, strdup (ent), value);
-        }
-
-        tree = value;
-        name = ptr+1;
-      }
-      ++ptr;
-    }
-    if (*name)
-      c_avl_insert (tree, strdup(name), key);
-    else
-    {
-      ERROR ("curl_json plugin: invalid key: %s", key->path);
-      status = -1;
+      value = cj_avl_create ();
+      c_avl_insert (tree, strdup (ent), value);
     }
+
+    tree = value;
+    name = ptr + 1;
+  }
+
+  if (strlen (name) == 0)
+  {
+    ERROR ("curl_json plugin: invalid key: %s", key->path);
+    cj_key_free (key);
+    return (-1);
   }
 
+  c_avl_insert (tree, strdup (name), key);
   return (status);
 } /* }}} int cj_config_add_key */
 
@@ -587,13 +603,19 @@ static int cj_init_curl (cj_t *db) /* {{{ */
   curl_easy_setopt (db->curl, CURLOPT_NOSIGNAL, 1L);
   curl_easy_setopt (db->curl, CURLOPT_WRITEFUNCTION, cj_curl_callback);
   curl_easy_setopt (db->curl, CURLOPT_WRITEDATA, db);
-  curl_easy_setopt (db->curl, CURLOPT_USERAGENT,
-                    PACKAGE_NAME"/"PACKAGE_VERSION);
+  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)
   {
+#ifdef HAVE_CURLOPT_USERNAME
+    curl_easy_setopt (db->curl, CURLOPT_USERNAME, db->user);
+    curl_easy_setopt (db->curl, CURLOPT_PASSWORD,
+        (db->pass == NULL) ? "" : db->pass);
+#else
     size_t credentials_size;
 
     credentials_size = strlen (db->user) + 2;
@@ -610,6 +632,10 @@ static int cj_init_curl (cj_t *db) /* {{{ */
     ssnprintf (db->credentials, credentials_size, "%s:%s",
                db->user, (db->pass == NULL) ? "" : db->pass);
     curl_easy_setopt (db->curl, CURLOPT_USERPWD, db->credentials);
+#endif
+
+    if (db->digest)
+      curl_easy_setopt (db->curl, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
   }
 
   curl_easy_setopt (db->curl, CURLOPT_SSL_VERIFYPEER, (long) db->verify_peer);
@@ -622,6 +648,17 @@ static int cj_init_curl (cj_t *db) /* {{{ */
   if (db->post_body != NULL)
     curl_easy_setopt (db->curl, CURLOPT_POSTFIELDS, db->post_body);
 
+#ifdef HAVE_CURLOPT_TIMEOUT_MS
+  if (db->timeout >= 0)
+    curl_easy_setopt (db->curl, CURLOPT_TIMEOUT_MS, (long) db->timeout);
+  else if (db->interval > 0)
+    curl_easy_setopt (db->curl, CURLOPT_TIMEOUT_MS,
+        CDTIME_T_TO_MS(db->timeout));
+  else
+    curl_easy_setopt (db->curl, CURLOPT_TIMEOUT_MS,
+        CDTIME_T_TO_MS(plugin_get_interval()));
+#endif
+
   return (0);
 } /* }}} int cj_init_curl */
 
@@ -647,6 +684,8 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
   }
   memset (db, 0, sizeof (*db));
 
+  db->timeout = -1;
+
   if (strcasecmp ("URL", ci->key) == 0)
     status = cf_util_get_string (ci, &db->url);
   else if (strcasecmp ("Sock", ci->key) == 0)
@@ -655,6 +694,7 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
   {
     ERROR ("curl_json plugin: cj_config: "
            "Invalid key: %s", ci->key);
+    cj_free (db);
     return (-1);
   }
   if (status != 0)
@@ -676,6 +716,8 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
       status = cf_util_get_string (child, &db->user);
     else if (db->url && strcasecmp ("Password", child->key) == 0)
       status = cf_util_get_string (child, &db->pass);
+    else if (strcasecmp ("Digest", child->key) == 0)
+      status = cf_util_get_boolean (child, &db->digest);
     else if (db->url && strcasecmp ("VerifyPeer", child->key) == 0)
       status = cf_util_get_boolean (child, &db->verify_peer);
     else if (db->url && strcasecmp ("VerifyHost", child->key) == 0)
@@ -688,6 +730,10 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
       status = cf_util_get_string (child, &db->post_body);
     else if (strcasecmp ("Key", child->key) == 0)
       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);
@@ -715,6 +761,9 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
   {
     user_data_t ud;
     char *cb_name;
+    struct timespec interval = { 0, 0 };
+
+    CDTIME_T_TO_TIMESPEC (db->interval, &interval);
 
     if (db->instance == NULL)
       db->instance = strdup("default");
@@ -729,8 +778,9 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
     cb_name = ssnprintf_alloc ("curl_json-%s-%s",
                db->instance, db->url ? db->url : db->sock);
 
-    plugin_register_complex_read (/* group = */ "curl_json", cb_name, cj_read,
-                                  /* interval = */ NULL, &ud);
+    plugin_register_complex_read (/* group = */ NULL, cb_name, cj_read,
+                                  /* interval = */ (db->interval > 0) ? &interval : NULL,
+                                  &ud);
     sfree (cb_name);
   }
   else
@@ -801,11 +851,10 @@ static void cj_submit (cj_t *db, cj_key_t *key, value_t *value) /* {{{ */
 
   if (key->instance == NULL)
   {
-    if ((db->depth == 0) || (strcmp ("", db->state[db->depth-1].name) == 0))
-      sstrncpy (vl.type_instance, db->state[db->depth].name, sizeof (vl.type_instance));
-    else
-      ssnprintf (vl.type_instance, sizeof (vl.type_instance), "%s-%s",
-          db->state[db->depth-1].name, db->state[db->depth].name);
+    int i, len = 0;
+    for (i = 0; i < db->depth; i++)
+      len += ssnprintf(vl.type_instance+len, sizeof(vl.type_instance)-len,
+                       i ? "-%s" : "%s", db->state[i+1].name);
   }
   else
     sstrncpy (vl.type_instance, key->instance, sizeof (vl.type_instance));
@@ -815,6 +864,9 @@ static void cj_submit (cj_t *db, cj_key_t *key, value_t *value) /* {{{ */
   sstrncpy (vl.plugin_instance, db->instance, sizeof (vl.plugin_instance));
   sstrncpy (vl.type, key->type, sizeof (vl.type));
 
+  if (db->interval > 0)
+    vl.interval = db->interval;
+
   plugin_dispatch_values (&vl);
 } /* }}} int cj_submit */
 
@@ -958,9 +1010,18 @@ static int cj_read (user_data_t *ud) /* {{{ */
   return cj_perform (db);
 } /* }}} int cj_read */
 
+static int cj_init (void) /* {{{ */
+{
+  /* Call this while collectd is still single-threaded to avoid
+   * initialization issues in libgcrypt. */
+  curl_global_init (CURL_GLOBAL_SSL);
+  return (0);
+} /* }}} int cj_init */
+
 void module_register (void)
 {
   plugin_register_complex_config ("curl_json", cj_config);
+  plugin_register_init ("curl_json", cj_init);
 } /* void module_register */
 
 /* vim: set sw=2 sts=2 et fdm=marker : */