From 28865f91df96e83b28bb40565f12e62bd86e451f Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Tue, 8 Jul 2014 16:14:18 +0200
Subject: [PATCH] phc2sys: Add option to set path to ptp4l UDS.

Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
---
 phc2sys.8 |  4 ++++
 phc2sys.c | 12 +++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/phc2sys.8 b/phc2sys.8
index a906fb3..c4fb6f6 100644
--- a/phc2sys.8
+++ b/phc2sys.8
@@ -194,6 +194,10 @@ clock frequency (unless the
 .B \-S
 option is used).
 .TP
+.BI \-z " uds-address"
+Specifies the address of the server's UNIX domain socket.
+The default is /var/run/ptp4l.
+.TP
 .BI \-l " print-level"
 Set the maximum syslog level of messages which should be printed or sent to
 the system logger. The default is 6 (LOG_INFO).
diff --git a/phc2sys.c b/phc2sys.c
index 7815a8e..418f4ac 100644
--- a/phc2sys.c
+++ b/phc2sys.c
@@ -53,6 +53,7 @@
 #include "stats.h"
 #include "sysoff.h"
 #include "tlv.h"
+#include "uds.h"
 #include "util.h"
 #include "version.h"
 
@@ -1158,6 +1159,7 @@ static void usage(char *progname)
 		" -u [num]       number of clock updates in summary stats (0)\n"
 		" -n [num]       domain number (0)\n"
 		" -x             apply leap seconds by servo instead of kernel\n"
+		" -z [path]      server address for UDS (/var/run/ptp4l)\n"
 		" -l [num]       set the logging level to 'num' (6)\n"
 		" -m             print messages to stdout\n"
 		" -q             do not print messages to the syslog\n"
@@ -1192,7 +1194,7 @@ int main(int argc, char *argv[])
 	progname = strrchr(argv[0], '/');
 	progname = progname ? 1+progname : argv[0];
 	while (EOF != (c = getopt(argc, argv,
-				  "arc:d:s:E:P:I:S:F:R:N:O:L:i:u:wn:xl:mqvh"))) {
+				  "arc:d:s:E:P:I:S:F:R:N:O:L:i:u:wn:xz:l:mqvh"))) {
 		switch (c) {
 		case 'a':
 			autocfg = 1;
@@ -1285,6 +1287,14 @@ int main(int argc, char *argv[])
 		case 'x':
 			node.kernel_leap = 0;
 			break;
+		case 'z':
+			if (strlen(optarg) > MAX_IFNAME_SIZE) {
+				fprintf(stderr, "path %s too long, max is %d\n",
+					optarg, MAX_IFNAME_SIZE);
+				return -1;
+			}
+			strncpy(uds_path, optarg, MAX_IFNAME_SIZE);
+			break;
 		case 'l':
 			if (get_arg_val_i(c, optarg, &print_level,
 					  PRINT_LEVEL_MIN, PRINT_LEVEL_MAX))