From ec9ecd4bfd91e64c9851de556c4d3d1a884011f3 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@verplant.org>
Date: Fri, 22 Aug 2008 09:00:24 +0200
Subject: [PATCH] ping_iterator_get_info: Provide the number of timed out
 packets.

---
 src/liboping.c                      | 18 +++++++++++++++++-
 src/mans/ping_iterator_get_info.pod |  7 +++++++
 src/oping.h                         |  5 ++++-
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/src/liboping.c b/src/liboping.c
index 22ab3a8..c93633c 100644
--- a/src/liboping.c
+++ b/src/liboping.c
@@ -25,6 +25,8 @@
 # include <stdlib.h>
 # include <stdio.h>
 # include <string.h>
+# include <stdint.h>
+# include <inttypes.h>
 # include <errno.h>
 # include <assert.h>
 #else
@@ -109,6 +111,7 @@ struct pinghost
 	int                      sequence;
 	struct timeval          *timer;
 	double                   latency;
+	uint32_t                 dropped;
 	char                    *data;
 
 	void                    *context;
@@ -523,6 +526,9 @@ static int ping_receive_all (pingobj_t *obj)
 		else if (status == 0)
 		{
 			dprintf ("select timed out\n");
+			for (ptr = ph; ptr != NULL; ptr = ptr->next)
+				if (ptr->latency < 0.0)
+					ptr->dropped++;
 			break;
 		}
 
@@ -799,6 +805,7 @@ static pinghost_t *ping_alloc (void)
 	ph->addrlen = sizeof (struct sockaddr_storage);
 	ph->fd      = -1;
 	ph->latency = -1.0;
+	ph->dropped = 0;
 	ph->ident   = ping_get_ident () & 0xFFFF;
 
 	return (ph);
@@ -1337,6 +1344,15 @@ int ping_iterator_get_info (pingobj_iter_t *iter, int info,
 			ret = 0;
 			break;
 
+		case PING_INFO_DROPPED:
+			ret = ENOMEM;
+			*buffer_len = sizeof (uint32_t);
+			if (orig_buffer_len < sizeof (uint32_t))
+				break;
+			*((uint32_t *) buffer) = iter->dropped;
+			ret = 0;
+			break;
+
 		case PING_INFO_SEQUENCE:
 			ret = ENOMEM;
 			*buffer_len = sizeof (unsigned int);
@@ -1366,7 +1382,7 @@ int ping_iterator_get_info (pingobj_iter_t *iter, int info,
 	}
 
 	return (ret);
-}
+} /* ping_iterator_get_info */
 
 void *ping_iterator_get_context (pingobj_iter_t *iter)
 {
diff --git a/src/mans/ping_iterator_get_info.pod b/src/mans/ping_iterator_get_info.pod
index 57322bb..55c9ec9 100644
--- a/src/mans/ping_iterator_get_info.pod
+++ b/src/mans/ping_iterator_get_info.pod
@@ -58,6 +58,13 @@ Return the last measured latency or less than zero if the timeout occured
 before a echo response was received. The buffer should be big enough to hold a
 double value.
 
+=item B<PING_INFO_DROPPED>
+
+Return the number of times that no response was received within the timeout.
+This value is only increased but may wrap around at the 32E<nbsp>bit boundary.
+The buffer should be big enough to hold a 32E<nbsp>bit integer, e.E<nbsp>g. an
+C<uint32_t>.
+
 =item B<PING_INFO_SEQUENCE>
 
 Return the last sequence number sent. This number is increased regardless of
diff --git a/src/oping.h b/src/oping.h
index d450d6c..4655d39 100644
--- a/src/oping.h
+++ b/src/oping.h
@@ -41,6 +41,8 @@
 extern "C" {
 #endif
 
+#define OPING_VERSION 3005
+
 /*
  * Type definitions
  */
@@ -79,7 +81,6 @@ int ping_host_remove (pingobj_t *obj, const char *host);
 pingobj_iter_t *ping_iterator_get (pingobj_t *obj);
 pingobj_iter_t *ping_iterator_next (pingobj_iter_t *iter);
 
-#define PING_INFO_USERNAME 8
 #define PING_INFO_HOSTNAME 1
 #define PING_INFO_ADDRESS  2
 #define PING_INFO_FAMILY   3
@@ -87,6 +88,8 @@ pingobj_iter_t *ping_iterator_next (pingobj_iter_t *iter);
 #define PING_INFO_SEQUENCE 5
 #define PING_INFO_IDENT    6
 #define PING_INFO_DATA     7
+#define PING_INFO_USERNAME 8
+#define PING_INFO_DROPPED  9
 int ping_iterator_get_info (pingobj_iter_t *iter, int info,
 		void *buffer, size_t *buffer_len);
 
-- 
2.30.2