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ping() integrated

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@872 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2008-09-03 16:14:00 +00:00
parent 9e16305afd
commit d57bd6fd56
10 changed files with 105 additions and 31 deletions
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examples/nsh/nsh_netcmds.c
+44 -15
View File
@@ -270,14 +270,14 @@ int cmd_ping(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
uip_ipaddr_t ipaddr;
uint32 start;
uint32 next;
uint32 dsec;
uint32 dsec = 10;
uint16 id;
int sec = 1;
int count = 10;
int option;
int seqno;
int replies = 0;
int elapsed;
int tmp;
int i;
/* Get the ping options */
@@ -296,12 +296,13 @@ int cmd_ping(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
break;
case 'i':
sec = atoi(optarg);
if (sec < 1 || sec >= 4294)
tmp = atoi(optarg);
if (tmp < 1 || tmp >= 4294)
{
fmt = g_fmtargrange;
goto errout;
}
dsec = 10 * tmp;
break;
case ':':
@@ -334,39 +335,67 @@ int cmd_ping(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
goto errout;
}
/* Convert the ping interval to microseconds and deciseconds*/
dsec = 10 * sec;
/* Get the ID to use */
id = ping_newid();
/* Loop for the specified count */
nsh_output(vtbl, "PING %s %dbytes of data\n", staddr, DEFAULT_PING_DATALEN);
nsh_output(vtbl, "PING %s %d bytes of data\n", staddr, DEFAULT_PING_DATALEN);
start = g_system_timer;
for (i = 0; i < count; i++)
for (i = 1; i <= count; i++)
{
next = g_system_timer;
/* Send the ECHO request and wait for the response */
next = g_system_timer;
seqno = uip_ping(ipaddr, id, i, DEFAULT_PING_DATALEN, dsec);
elapsed = TICK2MSEC(g_system_timer - next);
if (seqno >= 0)
/* Was any response returned? We can tell if a non-negative sequence
* number was returned.
*/
if (seqno >= 0 && seqno <= i)
{
/* Get the elpased time from the time that the request was
* sent until the response was received. If we got a response
* to an earlier request, then fudge the elpased time.
*/
elapsed = TICK2MSEC(g_system_timer - next);
if (seqno < i)
{
elapsed += 100*dsec*(i - seqno);
}
/* Report the receipt of the reply */
nsh_output(vtbl, "%d bytes from %s: icmp_seq=%d time=%d ms\n",
DEFAULT_PING_DATALEN, staddr, seqno, elapsed);
replies++;
}
/* Wait for the remainder of the interval. If the last seqno<i,
* then this is a bad idea... we will probably lose the response
* to the current request!
*/
elapsed = TICK2DSEC(g_system_timer - next);
if (elapsed < dsec)
{
usleep(100000*dsec);
}
}
/* Get the total elapsed time */
elapsed = TICK2MSEC(g_system_timer - start);
nsh_output(vtbl, "%d packets transmitted, %d received, %d%% packet loss, time %dms\n",
count, replies, (100*replies + count/2)/count, elapsed);
/* Calculate the percentage of lost packets */
tmp = (100*(count - replies) + (count >> 1)) / count;
nsh_output(vtbl, "%d packets transmitted, %d received, %d%% packet loss, time %d ms\n",
count, replies, tmp, elapsed);
return OK;
errout: