Merge branch 'collectd-5.7' into collectd-5.8

diff --git a/src/gps.c b/src/gps.c
index ecb4bba..1d32d04 100644 (file)
--- a/src/gps.c
+++ b/src/gps.c
@@ -26,10 +26,10 @@
  *   Marc Fournier <marc.fournier at camptocamp.com>
  **/
 
+#include "collectd.h"
 #include "common.h"
 #include "plugin.h"
 #include "utils_time.h"
-#include "collectd.h"
 
 #define CGPS_TRUE 1
 #define CGPS_FALSE 0
@@ -80,7 +80,7 @@ static int cgps_thread_pause(cdtime_t pTime) {
 
   int ret = !cgps_thread_shutdown;
 
-  pthread_mutex_lock(&cgps_thread_lock);
+  pthread_mutex_unlock(&cgps_thread_lock);
   return ret;
 }
 

diff --git a/src/table.c b/src/table.c
index 5fb5151..7cae3f7 100644 (file)
--- a/src/table.c
+++ b/src/table.c
@@ -169,16 +169,13 @@ static int tbl_config_append_array_i(char *name, size_t **var, size_t *len,
 } /* tbl_config_append_array_s */
 
 static int tbl_config_result(tbl_t *tbl, oconfig_item_t *ci) {
-  tbl_result_t *res;
-
-  int status = 0;
-
   if (0 != ci->values_num) {
     log_err("<Result> does not expect any arguments.");
     return 1;
   }
 
-  res = realloc(tbl->results, (tbl->results_num + 1) * sizeof(*tbl->results));
+  tbl_result_t *res =
+      realloc(tbl->results, (tbl->results_num + 1) * sizeof(*tbl->results));
   if (res == NULL) {
     char errbuf[1024];
     log_err("realloc failed: %s.", sstrerror(errno, errbuf, sizeof(errbuf)));
@@ -186,9 +183,8 @@ static int tbl_config_result(tbl_t *tbl, oconfig_item_t *ci) {
   }
 
   tbl->results = res;
-  ++tbl->results_num;
 
-  res = tbl->results + tbl->results_num - 1;
+  res = tbl->results + tbl->results_num;
   tbl_result_setup(res);
 
   for (int i = 0; i < ci->children_num; ++i) {
@@ -209,39 +205,35 @@ static int tbl_config_result(tbl_t *tbl, oconfig_item_t *ci) {
                c->key);
   }
 
+  int status = 0;
   if (NULL == res->type) {
-    log_err("No \"Type\" option specified for <Result> "
-            "in table \"%s\".",
+    log_err("No \"Type\" option specified for <Result> in table \"%s\".",
             tbl->file);
     status = 1;
   }
 
   if (NULL == res->values) {
-    log_err("No \"ValuesFrom\" option specified for <Result> "
-            "in table \"%s\".",
+    log_err("No \"ValuesFrom\" option specified for <Result> in table \"%s\".",
             tbl->file);
     status = 1;
   }
 
   if (0 != status) {
     tbl_result_clear(res);
-    --tbl->results_num;
     return status;
   }
+
+  tbl->results_num++;
   return 0;
 } /* tbl_config_result */
 
 static int tbl_config_table(oconfig_item_t *ci) {
-  tbl_t *tbl;
-
-  int status = 0;
-
   if ((1 != ci->values_num) || (OCONFIG_TYPE_STRING != ci->values[0].type)) {
     log_err("<Table> expects a single string argument.");
     return 1;
   }
 
-  tbl = realloc(tables, (tables_num + 1) * sizeof(*tables));
+  tbl_t *tbl = realloc(tables, (tables_num + 1) * sizeof(*tables));
   if (NULL == tbl) {
     char errbuf[1024];
     log_err("realloc failed: %s.", sstrerror(errno, errbuf, sizeof(errbuf)));
@@ -249,9 +241,8 @@ static int tbl_config_table(oconfig_item_t *ci) {
   }
 
   tables = tbl;
-  ++tables_num;
 
-  tbl = tables + tables_num - 1;
+  tbl = tables + tables_num;
   tbl_setup(tbl, ci->values[0].value.string);
 
   for (size_t i = 0; i < ((size_t)ci->children_num); ++i) {
@@ -271,6 +262,7 @@ static int tbl_config_table(oconfig_item_t *ci) {
                c->key, tbl->file);
   }
 
+  int status = 0;
   if (NULL == tbl->sep) {
     log_err("Table \"%s\" does not specify any separator.", tbl->file);
     status = 1;
@@ -284,13 +276,13 @@ static int tbl_config_table(oconfig_item_t *ci) {
   }
 
   if (NULL == tbl->results) {
+    assert(tbl->results_num == 0);
     log_err("Table \"%s\" does not specify any (valid) results.", tbl->file);
     status = 1;
   }
 
   if (0 != status) {
     tbl_clear(tbl);
-    --tables_num;
     return status;
   }
 
@@ -305,6 +297,8 @@ static int tbl_config_table(oconfig_item_t *ci) {
       if (res->values[j] > tbl->max_colnum)
         tbl->max_colnum = res->values[j];
   }
+
+  tables_num++;
   return 0;
 } /* tbl_config_table */
 

diff --git a/src/target_set.c b/src/target_set.c
index 33ab96c..47e2d29 100644 (file)
--- a/src/target_set.c
+++ b/src/target_set.c
@@ -184,11 +184,12 @@ static void ts_subst(char *dest, size_t size, const char *string, /* {{{ */
 
   if (vl->meta != NULL) {
     char **meta_toc = NULL;
-    int meta_entries = meta_data_toc(vl->meta, &meta_toc);
-    if (meta_entries <= 0)
+    int status = meta_data_toc(vl->meta, &meta_toc);
+    if (status <= 0)
       return;
+    size_t meta_entries = (size_t)status;
 
-    for (int i = 0; i < meta_entries; i++) {
+    for (size_t i = 0; i < meta_entries; i++) {
       char meta_name[DATA_MAX_NAME_LEN];
       char *value_str;
       const char *key = meta_toc[i];
@@ -342,7 +343,6 @@ static int ts_invoke(const data_set_t *ds, value_list_t *vl, /* {{{ */
 
   if (data->meta != NULL) {
     char temp[DATA_MAX_NAME_LEN * 2];
-    int meta_entries;
     char **meta_toc;
 
     if ((new_meta = meta_data_create()) == NULL) {
@@ -350,8 +350,14 @@ static int ts_invoke(const data_set_t *ds, value_list_t *vl, /* {{{ */
       return -ENOMEM;
     }
 
-    meta_entries = meta_data_toc(data->meta, &meta_toc);
-    for (int i = 0; i < meta_entries; i++) {
+    int status = meta_data_toc(data->meta, &meta_toc);
+    if (status < 0) {
+      ERROR("Target `set': meta_data_toc failed with status %d.", status);
+      return status;
+    }
+    size_t meta_entries = (size_t)status;
+
+    for (size_t i = 0; i < meta_entries; i++) {
       const char *key = meta_toc[i];
       char *string;
       int status;
@@ -360,7 +366,7 @@ static int ts_invoke(const data_set_t *ds, value_list_t *vl, /* {{{ */
       if (status) {
         ERROR("Target `set': Unable to get replacement metadata value `%s'.",
               key);
-        strarray_free(meta_toc, (size_t)meta_entries);
+        strarray_free(meta_toc, meta_entries);
         meta_data_destroy(new_meta);
         return status;
       }
@@ -376,13 +382,13 @@ static int ts_invoke(const data_set_t *ds, value_list_t *vl, /* {{{ */
       status = meta_data_add_string(new_meta, key, temp);
       if (status) {
         ERROR("Target `set': Unable to set metadata value `%s'.", key);
-        strarray_free(meta_toc, (size_t)meta_entries);
+        strarray_free(meta_toc, meta_entries);
         meta_data_destroy(new_meta);
         return status;
       }
     }
 
-    strarray_free(meta_toc, (size_t)meta_entries);
+    strarray_free(meta_toc, meta_entries);
   }
 
 #define SUBST_FIELD(f)                                                         \

diff --git a/src/utils_format_json.c b/src/utils_format_json.c
index 53a38b8..4ecbfbe 100644 (file)
--- a/src/utils_format_json.c
+++ b/src/utils_format_json.c
@@ -500,6 +500,14 @@ static int json_add_string(yajl_gen g, char const *str) /* {{{ */
     }                                                                          \
   } while (0)
 
+#define CHECK_SUCCESS(cmd)                                                     \
+  do {                                                                         \
+    yajl_gen_status s = (cmd);                                                 \
+    if (s != yajl_gen_status_ok) {                                             \
+      return (int)s;                                                           \
+    }                                                                          \
+  } while (0)
+
 static int format_json_meta(yajl_gen g, notification_meta_t *meta) /* {{{ */
 {
   if (meta == NULL)
@@ -525,7 +533,7 @@ static int format_json_meta(yajl_gen g, notification_meta_t *meta) /* {{{ */
   default:
     ERROR("format_json_meta: unknown meta data type %d (name \"%s\")",
           meta->type, meta->name);
-    yajl_gen_null(g);
+    CHECK_SUCCESS(yajl_gen_null(g));
   }
 
   return format_json_meta(g, meta->next);
@@ -544,14 +552,14 @@ static int format_time(yajl_gen g, cdtime_t t) /* {{{ */
 
 static int format_alert(yajl_gen g, notification_t const *n) /* {{{ */
 {
-  yajl_gen_array_open(g);
-  yajl_gen_map_open(g); /* BEGIN alert */
+  CHECK_SUCCESS(yajl_gen_array_open(g)); /* BEGIN array */
+  CHECK_SUCCESS(yajl_gen_map_open(g));   /* BEGIN alert */
 
   /*
    * labels
    */
   JSON_ADD(g, "labels");
-  yajl_gen_map_open(g); /* BEGIN labels */
+  CHECK_SUCCESS(yajl_gen_map_open(g)); /* BEGIN labels */
 
   JSON_ADD(g, "alertname");
   if (strncmp(n->plugin, n->type, strlen(n->plugin)) == 0)
@@ -587,27 +595,30 @@ static int format_alert(yajl_gen g, notification_t const *n) /* {{{ */
   JSON_ADD(g, "service");
   JSON_ADD(g, "collectd");
 
-  yajl_gen_map_close(g); /* END labels */
+  CHECK_SUCCESS(yajl_gen_map_close(g)); /* END labels */
 
   /*
    * annotations
    */
   JSON_ADD(g, "annotations");
-  yajl_gen_map_open(g); /* BEGIN annotations */
+  CHECK_SUCCESS(yajl_gen_map_open(g)); /* BEGIN annotations */
 
   JSON_ADD(g, "summary");
   JSON_ADD(g, n->message);
 
-  if (format_json_meta(g, n->meta) != 0)
+  if (format_json_meta(g, n->meta) != 0) {
     return -1;
+  }
 
-  yajl_gen_map_close(g); /* END annotations */
+  CHECK_SUCCESS(yajl_gen_map_close(g)); /* END annotations */
 
   JSON_ADD(g, "startsAt");
-  format_time(g, n->time);
+  if (format_time(g, n->time) != 0) {
+    return -1;
+  }
 
-  yajl_gen_map_close(g); /* END alert */
-  yajl_gen_array_close(g);
+  CHECK_SUCCESS(yajl_gen_map_close(g));   /* END alert */
+  CHECK_SUCCESS(yajl_gen_array_close(g)); /* END array */
 
   return 0;
 } /* }}} format_alert */
@@ -672,7 +683,11 @@ int format_json_notification(char *buffer, size_t buffer_size, /* {{{ */
   }
 
   /* copy to output buffer */
-  yajl_gen_get_buf(g, &out, &unused_out_len);
+  if (yajl_gen_get_buf(g, &out, &unused_out_len) != yajl_gen_status_ok) {
+    yajl_gen_clear(g);
+    yajl_gen_free(g);
+    return -1;
+  }
   sstrncpy(buffer, (void *)out, buffer_size);
 
   yajl_gen_clear(g);

diff --git a/src/write_graphite.c b/src/write_graphite.c
index a8d1320..7d7c0e8 100644 (file)
--- a/src/write_graphite.c
+++ b/src/write_graphite.c
@@ -312,6 +312,7 @@ static void wg_callback_free(void *data) {
   sfree(cb->prefix);
   sfree(cb->postfix);
 
+  pthread_mutex_unlock(&cb->send_lock);
   pthread_mutex_destroy(&cb->send_lock);
 
   sfree(cb);

diff --git a/src/write_sensu.c b/src/write_sensu.c
index ce23e65..bd7a56d 100644 (file)
--- a/src/write_sensu.c
+++ b/src/write_sensu.c
@@ -28,14 +28,15 @@
 
 #include "collectd.h"
 
+#include "common.h"
+#include "plugin.h"
+#include "utils_cache.h"
+
 #include <arpa/inet.h>
 #include <errno.h>
 #include <inttypes.h>
 #include <netdb.h>
 #include <stddef.h>
-#include "common.h"
-#include "plugin.h"
-#include "utils_cache.h"
 
 #include <stdlib.h>
 #define SENSU_HOST "localhost"
@@ -998,7 +999,10 @@ static void sensu_free(void *p) /* {{{ */
   sfree(host->separator);
   free_str_list(&(host->metric_handlers));
   free_str_list(&(host->notification_handlers));
+
+  pthread_mutex_unlock(&host->lock);
   pthread_mutex_destroy(&host->lock);
+
   sfree(host);
 } /* }}} void sensu_free */
 

diff --git a/src/write_tsdb.c b/src/write_tsdb.c
index eb6ceb3..5c43eda 100644 (file)
--- a/src/write_tsdb.c
+++ b/src/write_tsdb.c
@@ -279,6 +279,7 @@ static void wt_callback_free(void *data) {
   sfree(cb->service);
   sfree(cb->host_tags);
 
+  pthread_mutex_unlock(&cb->send_lock);
   pthread_mutex_destroy(&cb->send_lock);
 
   sfree(cb);