# include <pthread.h>
#endif
-#include <sys/socket.h>
#include <sys/un.h>
#include <sys/select.h>
break;
continue;
}
+ if (len < 3) { /* [a-z] ':' '\n' */
+ continue;
+ }
- line[len - 1] = '\0';
+ line[len - 1] = 0;
log_debug ("collect: line = '%s'", line);
bytes = atoi (tmp);
pthread_mutex_lock (&count_mutex);
- type_list_incr (&list_count, type, 1);
+ type_list_incr (&list_count, type, /* increment = */ 1);
pthread_mutex_unlock (&count_mutex);
if (bytes > 0) {
pthread_mutex_lock (&size_mutex);
- type_list_incr (&list_size, type, bytes);
+ type_list_incr (&list_size, type, /* increment = */ bytes);
pthread_mutex_unlock (&size_mutex);
}
}
pthread_mutex_unlock (&score_mutex);
}
else if ('c' == line[0]) { /* c:<type1>[,<type2>,...] */
- char *ptr = NULL;
- char *type = strtok_r (line + 2, ",", &ptr);
-
- do {
- pthread_mutex_lock (&check_mutex);
- type_list_incr (&list_check, type, 1);
- pthread_mutex_unlock (&check_mutex);
- } while (NULL != (type = strtok_r (NULL, ",", &ptr)));
+ char *dummy = line + 2;
+ char *endptr = NULL;
+ char *type;
+
+ pthread_mutex_lock (&check_mutex);
+ while ((type = strtok_r (dummy, ",", &endptr)) != NULL)
+ {
+ dummy = NULL;
+ type_list_incr (&list_check, type, /* increment = */ 1);
+ }
+ pthread_mutex_unlock (&check_mutex);
}
else {
log_err ("collect: unknown type '%c'", line[0]);
}
connection = malloc (sizeof (*connection));
- if (connection != NULL)
+ if (connection == NULL)
{
close (remote);
continue;
/**
* collectd - src/gmond.c
- * Copyright (C) 2009,2010 Florian octo Forster
+ * Copyright (C) 2009-2015 Florian octo Forster
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#if HAVE_PTHREAD_H
# include <pthread.h>
#endif
-#if HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
-#endif
#if HAVE_NETDB_H
# include <netdb.h>
#endif
struct metric_map_s
{
- char *ganglia_name;
- char *type;
- char *type_instance;
- char *ds_name;
- int ds_type;
- int ds_index;
+ char *ganglia_name;
+ char *type;
+ char *type_instance;
+ char *ds_name;
+ int ds_type;
+ size_t ds_index;
};
typedef struct metric_map_s metric_map_t;
return (NULL);
/* Look up the DS type and ds_index. */
- if ((map[i].ds_type < 0) || (map[i].ds_index < 0)) /* {{{ */
+ if (map[i].ds_type < 0) /* {{{ */
{
const data_set_t *ds;
}
else
{
- int j;
+ size_t j;
for (j = 0; j < ds->ds_num; j++)
if (strcasecmp (ds->ds[j].name, map[i].ds_name) == 0)
{
int yes = 1;
- setsockopt (sockets[sockets_num].fd, SOL_SOCKET, SO_REUSEADDR,
+ status = setsockopt (sockets[sockets_num].fd, SOL_SOCKET, SO_REUSEADDR,
(void *) &yes, sizeof (yes));
+ if (status != 0)
+ {
+ char errbuf[1024];
+ WARNING ("gmond plugin: setsockopt(2) failed: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ }
}
status = bind (sockets[sockets_num].fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
pthread_mutex_lock (&mc_send_sockets_lock);
for (i = 0; i < mc_send_sockets_num; i++)
- sendto (mc_send_sockets[i].fd, buffer, (size_t) buffer_size,
+ {
+ ssize_t status = sendto (mc_send_sockets[i].fd, buffer, (size_t) buffer_size,
/* flags = */ 0,
(struct sockaddr *) &mc_send_sockets[i].addr,
mc_send_sockets[i].addrlen);
+ if (status == -1)
+ {
+ char errbuf[1024];
+ ERROR ("gmond plugin: sendto(2) failed: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ continue;
+ }
+ }
pthread_mutex_unlock (&mc_send_sockets_lock);
sfree (msg.Ganglia_metadata_msg_u.grequest.metric_id.host);
return (se);
} /* }}} staging_entry_t *staging_entry_get */
- static int staging_entry_submit (const char *host, const char *name, /* {{{ */
- staging_entry_t *se)
- {
- value_list_t vl;
- value_t values[se->vl.values_len];
-
- if (se->vl.interval == 0)
- {
- /* No meta data has been received for this metric yet. */
- se->flags = 0;
- pthread_mutex_unlock (&staging_lock);
- request_meta_data (host, name);
- return (0);
- }
-
- se->flags = 0;
-
- memcpy (values, se->vl.values, sizeof (values));
- memcpy (&vl, &se->vl, sizeof (vl));
-
- /* Unlock before calling `plugin_dispatch_values'.. */
- pthread_mutex_unlock (&staging_lock);
-
- vl.values = values;
-
- plugin_dispatch_values (&vl);
-
- return (0);
- } /* }}} int staging_entry_submit */
-
static int staging_entry_update (const char *host, const char *name, /* {{{ */
const char *type, const char *type_instance,
- int ds_index, int ds_type, value_t value)
+ size_t ds_index, int ds_type, value_t value)
{
const data_set_t *ds;
staging_entry_t *se;
if (ds->ds_num <= ds_index)
{
- ERROR ("gmond plugin: Invalid index %i: %s has only %i data source(s).",
+ ERROR ("gmond plugin: Invalid index %zu: %s has only %zu data source(s).",
ds_index, ds->type, ds->ds_num);
return (-1);
}
se->flags |= (0x01 << ds_index);
- /* Check if all values have been set and submit if so. */
- if (se->flags == ((0x01 << se->vl.values_len) - 1))
+ /* Check if all data sources have been set. If not, return here. */
+ if (se->flags != ((0x01 << se->vl.values_len) - 1))
{
- /* `staging_lock' is unlocked in `staging_entry_submit'. */
- staging_entry_submit (host, name, se);
+ pthread_mutex_unlock (&staging_lock);
+ return (0);
}
- else
+
+ /* Check if the interval of this metric is known. If not, request meta data
+ * and return. */
+ if (se->vl.interval == 0)
{
+ /* No meta data has been received for this metric yet. */
+ se->flags = 0;
pthread_mutex_unlock (&staging_lock);
+
+ request_meta_data (host, name);
+ return (0);
}
+ plugin_dispatch_values (&se->vl);
+
+ se->flags = 0;
+ pthread_mutex_unlock (&staging_lock);
+
return (0);
} /* }}} int staging_entry_update */
return 0;
} /* static int hv2data_source (HV *, data_source_t *) */
-static int av2value (pTHX_ char *name, AV *array, value_t *value, int len)
+/* av2value converts at most "len" elements from "array" to "value". Returns the
+ * number of elements converted or zero on error. */
+static size_t av2value (pTHX_ char *name, AV *array, value_t *value, size_t array_len)
{
const data_set_t *ds;
+ size_t i;
- int i = 0;
-
- if ((NULL == name) || (NULL == array) || (NULL == value))
- return -1;
-
- if (av_len (array) < len - 1)
- len = av_len (array) + 1;
-
- if (0 >= len)
- return -1;
+ if ((NULL == name) || (NULL == array) || (NULL == value) || (array_len == 0))
+ return 0;
ds = plugin_get_ds (name);
if (NULL == ds) {
log_err ("av2value: Unknown dataset \"%s\"", name);
- return -1;
+ return 0;
}
- if (ds->ds_num < len) {
- log_warn ("av2value: Value length exceeds data set length.");
- len = ds->ds_num;
+ if (array_len < ds->ds_num) {
+ log_warn ("av2value: array does not contain enough elements for type \"%s\": got %zu, want %zu",
+ name, array_len, ds->ds_num);
+ return 0;
+ } else if (array_len > ds->ds_num) {
+ log_warn ("av2value: array contains excess elements for type \"%s\": got %zu, want %zu",
+ name, array_len, ds->ds_num);
}
- for (i = 0; i < len; ++i) {
+ for (i = 0; i < ds->ds_num; ++i) {
SV **tmp = av_fetch (array, i, 0);
if (NULL != tmp) {
value[i].absolute = SvIV (*tmp);
}
else {
- return -1;
+ return 0;
}
}
- return len;
-} /* static int av2value (char *, AV *, value_t *, int) */
+
+ return ds->ds_num;
+} /* static size_t av2value (char *, AV *, value_t *, size_t) */
/*
* value list:
{
AV *array = (AV *)SvRV (*tmp);
- int len = av_len (array) + 1;
-
- if (len <= 0)
+ /* av_len returns the highest index, not the actual length. */
+ size_t array_len = (size_t) (av_len (array) + 1);
+ if (array_len == 0)
return -1;
- vl->values = (value_t *)smalloc (len * sizeof (value_t));
- vl->values_len = av2value (aTHX_ vl->type, (AV *)SvRV (*tmp),
- vl->values, len);
-
- if (-1 == vl->values_len) {
+ vl->values = calloc (array_len, sizeof (*vl->values));
+ vl->values_len = av2value (aTHX_ vl->type, (AV *)SvRV (*tmp), vl->values, array_len);
+ if (vl->values_len == 0) {
sfree (vl->values);
return -1;
}
static int data_set2av (pTHX_ data_set_t *ds, AV *array)
{
- int i = 0;
+ size_t i;
if ((NULL == ds) || (NULL == array))
return -1;
static int value_list2hv (pTHX_ value_list_t *vl, data_set_t *ds, HV *hash)
{
AV *values = NULL;
-
- int i = 0;
- int len = 0;
+ size_t i;
if ((NULL == vl) || (NULL == ds) || (NULL == hash))
return -1;
- len = vl->values_len;
-
- if (ds->ds_num < len) {
- log_warn ("value2av: Value length exceeds data set length.");
- len = ds->ds_num;
- }
-
values = newAV ();
- av_extend (values, len - 1);
+ /* av_extend takes the last *index* to which the array should be extended. */
+ av_extend (values, vl->values_len - 1);
- for (i = 0; i < len; ++i) {
+ assert (ds->ds_num == vl->values_len);
+ for (i = 0; i < vl->values_len; ++i) {
SV *val = NULL;
if (DS_TYPE_COUNTER == ds->ds[i].type)
/* the ithread no longer exists */
if (NULL == t)
+ {
+ pthread_mutex_unlock (&perl_threads->mutex);
return;
+ }
c_ithread_destroy (ithread);
int current_status = 0;
if (NULL != perl_threads)
- aTHX = PERL_GET_CONTEXT;
+ {
+ if ((aTHX = PERL_GET_CONTEXT) == NULL)
+ return -1;
+ }
if (0 == strcasecmp (c->key, "LoadPlugin"))
current_status = perl_config_loadplugin (aTHX_ c);
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