X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fping.c;h=2f7c064d1871363f3199a8deb581a2681e9ff51d;hb=a8c2d7c82fc0f13a52f7fa98a20e9570df212c64;hp=48a0ac87ef513c72b28bc73c8922083b088398ac;hpb=838af4cdc6c8674ed3e14a95fea172118c707a85;p=collectd.git

diff --git a/src/ping.c b/src/ping.c
index 48a0ac87..2f7c064d 100644
--- a/src/ping.c
+++ b/src/ping.c
@@ -45,16 +45,6 @@ typedef struct hostlist_s hostlist_t;
 static pingobj_t *pingobj = NULL;
 static hostlist_t *hosts = NULL;
 
-static data_source_t dsrc[1] =
-{
-	{"ping", DS_TYPE_GAUGE, 0, 65535.0},
-};
-
-static data_set_t ds =
-{
-	"ping", 1, dsrc
-};
-
 static const char *config_keys[] =
 {
 	"Host",
@@ -71,20 +61,20 @@ static void add_hosts (void)
 	hostlist_t *hl_this;
 	hostlist_t *hl_prev;
 
-	int step = atoi (COLLECTD_STEP);
-
 	hl_this = hosts;
 	hl_prev = NULL;
 	while (hl_this != NULL)
 	{
-		DEBUG ("host = %s, wait_left = %i, wait_time = %i, next = %p",
-				hl_this->host, hl_this->wait_left, hl_this->wait_time, (void *) hl_this->next);
+		DEBUG ("ping plugin: host = %s, wait_left = %i, "
+				"wait_time = %i, next = %p",
+				hl_this->host, hl_this->wait_left,
+				hl_this->wait_time, (void *) hl_this->next);
 
 		if (hl_this->wait_left <= 0)
 		{
 			if (ping_host_add (pingobj, hl_this->host) == 0)
 			{
-				DEBUG ("Successfully added host %s", hl_this->host);
+				DEBUG ("ping plugin: Successfully added host %s", hl_this->host);
 				/* Remove the host from the linked list */
 				if (hl_prev != NULL)
 					hl_prev->next = hl_this->next;
@@ -96,6 +86,9 @@ static void add_hosts (void)
 			}
 			else
 			{
+				WARNING ("ping plugin: Failed adding host "
+						"`%s': %s", hl_this->host,
+						ping_get_error (pingobj));
 				hl_this->wait_left = hl_this->wait_time;
 				hl_this->wait_time *= 2;
 				if (hl_this->wait_time > 86400)
@@ -104,7 +97,7 @@ static void add_hosts (void)
 		}
 		else
 		{
-			hl_this->wait_left -= step;
+			hl_this->wait_left -= interval_g;
 		}
 
 		if (hl_this != NULL)
@@ -113,15 +106,18 @@ static void add_hosts (void)
 			hl_this = hl_this->next;
 		}
 	}
-}
+} /* void add_hosts */
 
 static int ping_init (void)
 {
+	if (pingobj == NULL)
+		return (-1);
+
 	if (hosts != NULL)
 		add_hosts ();
 
 	return (0);
-}
+} /* int ping_init */
 
 static int ping_config (const char *key, const char *value)
 {
@@ -129,8 +125,7 @@ static int ping_config (const char *key, const char *value)
 	{
 		if ((pingobj = ping_construct ()) == NULL)
 		{
-			ERROR ("ping: `ping_construct' failed: %s",
-				       	ping_get_error (pingobj));
+			ERROR ("ping plugin: `ping_construct' failed.");
 			return (1);
 		}
 	}
@@ -139,24 +134,27 @@ static int ping_config (const char *key, const char *value)
 	{
 		hostlist_t *hl;
 		char *host;
-		int step = atoi (COLLECTD_STEP);
 
 		if ((hl = (hostlist_t *) malloc (sizeof (hostlist_t))) == NULL)
 		{
+			char errbuf[1024];
 			ERROR ("ping plugin: malloc failed: %s",
-					strerror (errno));
+					sstrerror (errno, errbuf,
+						sizeof (errbuf)));
 			return (1);
 		}
 		if ((host = strdup (value)) == NULL)
 		{
+			char errbuf[1024];
 			free (hl);
 			ERROR ("ping plugin: strdup failed: %s",
-					strerror (errno));
+					sstrerror (errno, errbuf,
+						sizeof (errbuf)));
 			return (1);
 		}
 
 		hl->host = host;
-		hl->wait_time = 2 * step;
+		hl->wait_time = 2 * interval_g;
 		hl->wait_left = 0;
 		hl->next = hosts;
 		hosts = hl;
@@ -164,7 +162,7 @@ static int ping_config (const char *key, const char *value)
 	else if (strcasecmp (key, "ttl") == 0)
 	{
 		int ttl = atoi (value);
-		if (ping_setopt (pingobj, PING_DEF_TIMEOUT, (void *) &ttl))
+		if (ping_setopt (pingobj, PING_OPT_TTL, (void *) &ttl))
 		{
 			WARNING ("ping: liboping did not accept the TTL value %i", ttl);
 			return (1);
@@ -203,6 +201,7 @@ static int ping_read (void)
 	char   host[512];
 	double latency;
 	size_t buf_len;
+	int    number_of_hosts;
 
 	if (pingobj == NULL)
 		return (-1);
@@ -212,11 +211,12 @@ static int ping_read (void)
 
 	if (ping_send (pingobj) < 0)
 	{
-		ERROR ("ping: `ping_send' failed: %s",
+		ERROR ("ping plugin: `ping_send' failed: %s",
 				ping_get_error (pingobj));
 		return (-1);
 	}
 
+	number_of_hosts = 0;
 	for (iter = ping_iterator_get (pingobj);
 			iter != NULL;
 			iter = ping_iterator_next (iter))
@@ -224,24 +224,38 @@ static int ping_read (void)
 		buf_len = sizeof (host);
 		if (ping_iterator_get_info (iter, PING_INFO_HOSTNAME,
 					host, &buf_len))
+		{
+			WARNING ("ping plugin: ping_iterator_get_info "
+					"(PING_INFO_HOSTNAME) failed.");
 			continue;
+		}
 
 		buf_len = sizeof (latency);
 		if (ping_iterator_get_info (iter, PING_INFO_LATENCY,
 					&latency, &buf_len))
+		{
+			WARNING ("ping plugin: ping_iterator_get_info (%s, "
+					"PING_INFO_LATENCY) failed.", host);
 			continue;
+		}
 
-		DEBUG ("host = %s, latency = %f", host, latency);
+		DEBUG ("ping plugin: host = %s, latency = %f", host, latency);
 		ping_submit (host, latency);
+		number_of_hosts++;
 	}
 
-	return (0);
+	if ((number_of_hosts == 0) && (getuid () != 0))
+	{
+		ERROR ("ping plugin: All hosts failed. Try starting collectd as root.");
+	}
+
+	return (number_of_hosts == 0 ? -1 : 0);
 } /* int ping_read */
 
 void module_register (void)
 {
-	plugin_register_data_set (&ds);
+	plugin_register_config ("ping", ping_config,
+			config_keys, config_keys_num);
 	plugin_register_init ("ping", ping_init);
 	plugin_register_read ("ping", ping_read);
-	plugin_register_config ("ping", ping_config, config_keys, config_keys_num);
 } /* void module_register */