projects
/
liboping.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
src/liboping.c: Document ping_open_socket().
[liboping.git]
/
src
/
liboping.c
diff --git
a/src/liboping.c
b/src/liboping.c
index
edc3522
..
4579ab0
100644
(file)
--- a/
src/liboping.c
+++ b/
src/liboping.c
@@
-969,6
+969,9
@@
static void ping_free (pinghost_t *ph)
free (ph);
}
free (ph);
}
+/* ping_open_socket opens, initializes and returns a new raw socket to use for
+ * ICMPv4 or ICMPv6 packets. addrfam must be either AF_INET or AF_INET6. On
+ * error, -1 is returned and obj->errmsg is set appropriately. */
static int ping_open_socket(pingobj_t *obj, int addrfam)
{
int fd;
static int ping_open_socket(pingobj_t *obj, int addrfam)
{
int fd;
@@
-982,27
+985,28
@@
static int ping_open_socket(pingobj_t *obj, int addrfam)
}
else /* this should not happen */
{
}
else /* this should not happen */
{
+ ping_set_error (obj, "ping_open_socket", "Unknown address family");
dprintf ("Unknown address family: %i\n", addrfam);
dprintf ("Unknown address family: %i\n", addrfam);
- return
(-1)
;
+ return
-1
;
}
if (fd == -1)
{
}
if (fd == -1)
{
+ ping_set_errno (obj, errno);
#if WITH_DEBUG
char errbuf[PING_ERRMSG_LEN];
dprintf ("socket: %s\n",
sstrerror (errno, errbuf, sizeof (errbuf)));
#endif
#if WITH_DEBUG
char errbuf[PING_ERRMSG_LEN];
dprintf ("socket: %s\n",
sstrerror (errno, errbuf, sizeof (errbuf)));
#endif
- ping_set_errno (obj, errno);
return -1;
}
else if (fd >= FD_SETSIZE)
{
return -1;
}
else if (fd >= FD_SETSIZE)
{
+ ping_set_errno (obj, EMFILE);
dprintf ("socket(2) returned file descriptor %d, which is above the file "
"descriptor limit for select(2) (FD_SETSIZE = %d)\n",
fd, FD_SETSIZE);
close (fd);
dprintf ("socket(2) returned file descriptor %d, which is above the file "
"descriptor limit for select(2) (FD_SETSIZE = %d)\n",
fd, FD_SETSIZE);
close (fd);
- ping_set_errno (obj, EMFILE);
return -1;
}
return -1;
}
@@
-1013,12
+1017,12
@@
static int ping_open_socket(pingobj_t *obj, int addrfam)
if (bind (fd, obj->srcaddr, obj->srcaddrlen) == -1)
{
if (bind (fd, obj->srcaddr, obj->srcaddrlen) == -1)
{
+ ping_set_errno (obj, errno);
#if WITH_DEBUG
char errbuf[PING_ERRMSG_LEN];
dprintf ("bind: %s\n",
sstrerror (errno, errbuf, sizeof (errbuf)));
#endif
#if WITH_DEBUG
char errbuf[PING_ERRMSG_LEN];
dprintf ("bind: %s\n",
sstrerror (errno, errbuf, sizeof (errbuf)));
#endif
- ping_set_errno (obj, errno);
close (fd);
return -1;
}
close (fd);
return -1;
}
@@
-1030,12
+1034,12
@@
static int ping_open_socket(pingobj_t *obj, int addrfam)
if (setsockopt (fd, SOL_SOCKET, SO_BINDTODEVICE,
obj->device, strlen (obj->device) + 1) != 0)
{
if (setsockopt (fd, SOL_SOCKET, SO_BINDTODEVICE,
obj->device, strlen (obj->device) + 1) != 0)
{
+ ping_set_errno (obj, errno);
#if WITH_DEBUG
char errbuf[PING_ERRMSG_LEN];
dprintf ("setsockopt (SO_BINDTODEVICE): %s\n",
sstrerror (errno, errbuf, sizeof (errbuf)));
#endif
#if WITH_DEBUG
char errbuf[PING_ERRMSG_LEN];
dprintf ("setsockopt (SO_BINDTODEVICE): %s\n",
sstrerror (errno, errbuf, sizeof (errbuf)));
#endif
- ping_set_errno (obj, errno);
close (fd);
return -1;
}
close (fd);
return -1;
}
@@
-1069,12
+1073,12
@@
static int ping_open_socket(pingobj_t *obj, int addrfam)
&opt, sizeof (opt));
if (status != 0)
{
&opt, sizeof (opt));
if (status != 0)
{
+ ping_set_errno (obj, errno);
#if WITH_DEBUG
char errbuf[PING_ERRMSG_LEN];
dprintf ("setsockopt (SO_TIMESTAMP): %s\n",
sstrerror (errno, errbuf, sizeof (errbuf)));
#endif
#if WITH_DEBUG
char errbuf[PING_ERRMSG_LEN];
dprintf ("setsockopt (SO_TIMESTAMP): %s\n",
sstrerror (errno, errbuf, sizeof (errbuf)));
#endif
- ping_set_errno (obj, errno);
close (fd);
return -1;
}
close (fd);
return -1;
}