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Message-Id: <1468603245-4947-1-git-send-email-dsa@cumulusnetworks.com>
Date: Fri, 15 Jul 2016 10:20:45 -0700
From: David Ahern <dsa@...ulusnetworks.com>
To: netdev@...r.kernel.org
Cc: stephen@...workplumber.org, David Ahern <dsa@...ulusnetworks.com>
Subject: [PATCH iproute2] ss: Add option to suppress header line
Add option to suppress header line. When used the following line
is not shown:
"State Recv-Q Send-Q Local Address:Port Peer Address:Port"
Signed-off-by: David Ahern <dsa@...ulusnetworks.com>
---
man/man8/ss.8 | 3 +++
misc/ss.c | 28 +++++++++++++++++++---------
2 files changed, 22 insertions(+), 9 deletions(-)
diff --git a/man/man8/ss.8 b/man/man8/ss.8
index d0e4217613a0..99945ff699a9 100644
--- a/man/man8/ss.8
+++ b/man/man8/ss.8
@@ -21,6 +21,9 @@ Show summary of options.
.B \-V, \-\-version
Output version information.
.TP
+.B \-H, \-\-no-header
+Suppress header line.
+.TP
.B \-n, \-\-numeric
Do not try to resolve service names.
.TP
diff --git a/misc/ss.c b/misc/ss.c
index 586275472a90..14f2774528ec 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -97,6 +97,7 @@ int show_tcpinfo;
int show_bpf;
int show_proc_ctx;
int show_sock_ctx;
+int show_header = 1;
/* If show_users & show_proc_ctx only do user_ent_hash_build() once */
int user_ent_hash_build_init;
int follow_events;
@@ -3637,6 +3638,7 @@ static void _usage(FILE *dest)
" -f, --family=FAMILY display sockets of type FAMILY\n"
"\n"
" -K, --kill forcibly close sockets, display what was closed\n"
+" -H, --no-header Suppress header line\n"
"\n"
" -A, --query=QUERY, --socket=QUERY\n"
" QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink}[,QUERY]\n"
@@ -3730,6 +3732,7 @@ static const struct option long_opts[] = {
{ "contexts", 0, 0, 'z' },
{ "net", 1, 0, 'N' },
{ "kill", 0, 0, 'K' },
+ { "no-header", 0, 0, 'H' },
{ 0 }
};
@@ -3744,7 +3747,7 @@ int main(int argc, char *argv[])
int ch;
int state_filter = 0;
- while ((ch = getopt_long(argc, argv, "dhaletuwxnro460spbEf:miA:D:F:vVzZN:K",
+ while ((ch = getopt_long(argc, argv, "dhaletuwxnro460spbEf:miA:D:F:vVzZN:KH",
long_opts, NULL)) != EOF) {
switch (ch) {
case 'n':
@@ -3929,6 +3932,9 @@ int main(int argc, char *argv[])
case 'K':
current_filter.kill = 1;
break;
+ case 'H':
+ show_header = 0;
+ break;
case 'h':
case '?':
help();
@@ -4054,19 +4060,23 @@ int main(int argc, char *argv[])
addr_width = addrp_width - serv_width - 1;
- if (netid_width)
- printf("%-*s ", netid_width, "Netid");
- if (state_width)
- printf("%-*s ", state_width, "State");
- printf("%-6s %-6s ", "Recv-Q", "Send-Q");
+ if (show_header) {
+ if (netid_width)
+ printf("%-*s ", netid_width, "Netid");
+ if (state_width)
+ printf("%-*s ", state_width, "State");
+ printf("%-6s %-6s ", "Recv-Q", "Send-Q");
+ }
/* Make enough space for the local/remote port field */
addr_width -= 13;
serv_width += 13;
- printf("%*s:%-*s %*s:%-*s\n",
- addr_width, "Local Address", serv_width, "Port",
- addr_width, "Peer Address", serv_width, "Port");
+ if (show_header) {
+ printf("%*s:%-*s %*s:%-*s\n",
+ addr_width, "Local Address", serv_width, "Port",
+ addr_width, "Peer Address", serv_width, "Port");
+ }
fflush(stdout);
--
2.1.4
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