* Rename 'opts.c' to 'mc_verify_opts.c' and some cleanup.
* Rename 'opts_e.c' to 'mc_verify_opts_error.c' and some cleanup.
* Delete 'trace_logic' that is used to debug.
* Use 'test.sh' script and use 'tst_*' instead of 'end_testcase'.
* Delete some unuseful comments.
* Fix old-style function definition.
Signed-off-by: Zeng Linggang <zenglg...@cn.fujitsu.com>
---
testcases/network/multicast/mc_opts/mc_opts | 166 +++++----------------
.../network/multicast/mc_opts/mc_verify_opts.c | 149 ++++++++++++++++++
.../multicast/mc_opts/mc_verify_opts_error.c | 76 ++++++++++
testcases/network/multicast/mc_opts/opts.c | 150 -------------------
testcases/network/multicast/mc_opts/opts_e.c | 81 ----------
5 files changed, 262 insertions(+), 360 deletions(-)
create mode 100644 testcases/network/multicast/mc_opts/mc_verify_opts.c
create mode 100644 testcases/network/multicast/mc_opts/mc_verify_opts_error.c
delete mode 100644 testcases/network/multicast/mc_opts/opts.c
delete mode 100644 testcases/network/multicast/mc_opts/opts_e.c
diff --git a/testcases/network/multicast/mc_opts/mc_opts
b/testcases/network/multicast/mc_opts/mc_opts
index f40112c..7d50a76 100755
--- a/testcases/network/multicast/mc_opts/mc_opts
+++ b/testcases/network/multicast/mc_opts/mc_opts
@@ -35,142 +35,50 @@ unset LIBPATH
# -Ported
#
#******************************************************************************
-#Uncomment the line below for debug output.
-#trace_logic=${trace_logic:-"set -x"}
-$trace_logic
-if [ -z $LTPBIN ]; then
- PATH=../../../bin/:./:$PATH
-fi
TC=mc_opts
-TCtmp=${TCtmp:-$LTPROOT/bin/$TC$$}
-CLEANUP=${CLEANUP:-ON}
-EXECUTABLES=${EXECUTABLES:-"opts opts_e"}
-NUMLOOPS=${NUMLOOPS:-10}
+EXECUTABLES=${EXECUTABLES:-"mc_verify_opts mc_verify_opts_error"}
IPADDR=${IPADDR:-$(mc_gethost `hostname`| grep address |awk '{ print $2 }')}
export TCID=$TC
export TST_TOTAL=1
export TST_COUNT=1
-this_file=${0##*/}
-trap "interrupt_test" 2
-
-setup()
-{
- mkdir -p $TCtmp
- for i in $EXECUTABLES
- do
- install -m 0755 "$LTPROOT/testcases/bin/$i" "$TCtmp/."
- done
-}
-
-#-----------------------------------------------------------------------
-#
-# FUNCTION: do_test
-# PURPOSE: Executes the testcases.
-# INPUT: Number of iterations
-# OUTPUT: Error messages are logged when any verification test
-# fails.
-#
-#-----------------------------------------------------------------------
-
-do_test()
-{
- $trace_logic
- echo "$this_file: doing $0."
-
- COUNT=1
- while [ $COUNT -le $NUMLOOPS ]
- do
- # Run setsockopt/getsockopt test
- echo "Running mc_$EXECUTABLES on $IPADDR"
- for i in $EXECUTABLES
- do
- $TCtmp/$i $IPADDR
- [ $? = 0 ] || end_testcase "$i $IPADDR failed"
- done
-
- echo "Running ping with bad values"
- ping -T 777 224.0.0.1 > /dev/null 2>&1
- [ $? = 0 ] && end_testcase "Multicast range should be out of range"
-
- echo "Running ping on a invalid interface!"
- ping -I 3.3.3.3 224.0.0.1 > /dev/null 2>&1
- [ $? = 0 ] && end_testcase "ping on bogus interface should fail"
-
- COUNT=$(( $COUNT + 1 ))
- done
-}
-
-#-----------------------------------------------------------------------
-#
-# FUNCTION: do_cleanup
-# PURPOSE: Called when the testcase is interrupted by the user
-# or by interrupt_testcase() when time limit expired
-# INPUT: None.
-# OUTPUT: None.
-#
-#-----------------------------------------------------------------------
-
-do_cleanup()
-{
- $trace_logic
- echo "$this_file: doing $0."
-
- cd /
- if [ "x$TCtmp" != "x$TCsrc" ]; then
- rm -rf $TCtmp
- fi
-}
-
-#=============================================================================
-# FUNCTION NAME: end_testcase
-#
-# FUNCTION DESCRIPTION: Clean up
-#
-# PARAMETERS: string, IF AND ONLY IF the testcase fails
-#
-# RETURNS: None.
-#=============================================================================
-
-end_testcase()
-{
- $trace_logic
- echo "$this_file: doing $0."
-
- # Call other cleanup functions
- [ $CLEANUP = "ON" ] && do_cleanup
-
- [ $# = 0 ] && { tst_resm TPASS "Test Successful"; exit 0; }
- tst_resm TFAIL "Test Failed: $@"
- exit 1
-}
-
-#******************************************************************************
-#
-# FUNCTION: interrupt_test
-# PURPOSE: Handle process interrupts set by trap.
-# INPUT: none
-# OUTPUT: none
-#
-#******************************************************************************
+. test.sh
-interrupt_test()
-{
- echo "test interrupted"
- end_testcase
-}
+if [ -z $IPADDR ]; then
+ tst_brkm TCONF "Not found $(hostname) in /etc/hosts"
+fi
-#******************************************************************************
-#
-# FUNCTION: MAIN
-# PURPOSE: To invoke functions that perform the tasks as described in
-# the design in the prolog above.
-# INPUT: See SETUP in the prolog above.
-# OUTPUT: Logged run results written to testcase run log
-#
-#******************************************************************************
-setup
-do_test
-end_testcase
+tst_resm TINFO "doing test."
+
+COUNT=1
+while [ $COUNT -le 10 ]
+do
+ # Run setsockopt/getsockopt test
+ tst_resm TINFO "Running $EXECUTABLES on $IPADDR"
+ for i in $EXECUTABLES
+ do
+ $i $IPADDR > /dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ tst_brkm TFAIL "$i $IPADDR failed"
+ fi
+ done
+
+ tst_resm TINFO "Running ping with bad values"
+ ping -T 777 224.0.0.1 > /dev/null 2>&1
+ if [ $? -eq 0 ]; then
+ tst_brkm TFAIL "Multicast range should be out of range"
+ fi
+
+ tst_resm TINFO "Running ping on a invalid interface!"
+ ping -I 3.3.3.3 224.0.0.1 > /dev/null 2>&1
+ if [ $? -eq 0 ]; then
+ tst_brkm TFAIL "ping on bogus interface should fail"
+ fi
+
+ COUNT=$(( $COUNT + 1 ))
+done
+
+tst_resm TPASS "Test Successful"
+tst_exit
diff --git a/testcases/network/multicast/mc_opts/mc_verify_opts.c
b/testcases/network/multicast/mc_opts/mc_verify_opts.c
new file mode 100644
index 0000000..679b817
--- /dev/null
+++ b/testcases/network/multicast/mc_opts/mc_verify_opts.c
@@ -0,0 +1,149 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <netdb.h>
+
+#define MAXBUFSIZ 8096
+
+static int errors;
+
+int main(int argc, char *argv[])
+{
+ int s;
+ struct in_addr gimr;
+ struct ip_mreq simr;
+
+ unsigned i1, i2, i3, i4;
+ struct hostent *hp, *gethostbyname();
+
+ char sintf[20], gintf[20];
+ unsigned char ttl;
+ char loop = 0;
+ unsigned int len = 0;
+
+ if (argc != 2) {
+ fprintf(stderr,
+ "usage: %s interface_name (or i.i.i.i)\n", argv[0]);
+ exit(1);
+ }
+ s = socket(AF_INET, SOCK_DGRAM, 0);
+ if (s == -1) {
+ perror("Error: can't open socket");
+ exit(1);
+ }
+
+ printf("agrv sub 1 is %s\n", argv[1]);
+ hp = gethostbyname(argv[1]);
+ if (hp)
+ memcpy(&simr.imr_interface.s_addr, hp->h_addr, hp->h_length);
+ else if (sscanf(argv[1], "%u.%u.%u.%u", &i1, &i2, &i3, &i4) != 4) {
+ fprintf(stderr, "Bad interface address\n");
+ exit(1);
+ } else
+ simr.imr_interface.s_addr =
+ htonl((i1 << 24) | (i2 << 16) | (i3 << 8) | i4);
+ strcpy(sintf, inet_ntoa(simr.imr_interface));
+
+ /* verify socket options */
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF,
+ &simr.imr_interface.s_addr,
+ sizeof(simr.imr_interface.s_addr)) != 0) {
+ perror("Error: Setting IP_MULTICAST_IF");
+ errors++;
+ } else
+ printf("Set interface: %s for multicasting\n", sintf);
+
+ len = sizeof(gimr);
+ if (getsockopt
+ (s, IPPROTO_IP, IP_MULTICAST_IF, &gimr, (socklen_t *)&len) != 0) {
+ perror("Getting IP_MULTICAST_IF");
+ errors++;
+ } else {
+ strcpy(gintf, inet_ntoa(gimr));
+ printf("Got multicasting socket interface: %s\n", gintf);
+ }
+
+ /* Verify that the multicastion for the interface was set */
+ if (strcmp(sintf, gintf) != 0) {
+ printf("Error: IP_MULTICAST_IF was not set\n");
+ errors++;
+ } else
+ printf
+ ("Socket has been set for multicasting on interface: %s\n",
+ sintf);
+
+ len = sizeof(ttl);
+ if (getsockopt
+ (s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, (socklen_t *)&len) != 0) {
+ perror("Error: Gettting IP_MULTICAST_TTL");
+ errors++;
+ } else
+ printf("getsockopt: got ttl = %i\n", ttl);
+ if (ttl != 1)
+ printf("Error: IP_MULTICAST_TTL not default value, ttl = %i\n",
+ ttl);
+ ttl = 10; /* Set ttl to 10 */
+ len = sizeof(ttl);
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_TTL,
+ &ttl, sizeof(ttl)) != 0) {
+ perror("Error: Setting IP_MULTICAST_TTL");
+ errors++;
+ } else
+ printf("TTL set on multicast socket\n");
+ if (getsockopt
+ (s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, (socklen_t *)&len) != 0) {
+ perror("Error: Getting IP_MULTICAST_TTL");
+ errors++;
+ }
+ if (ttl != 10) {
+ printf("Error: IP_MULTICAST_TTL not set, ttl = %i\n", ttl);
+ errors++;
+ }
+
+ len = sizeof(loop);
+ if (getsockopt
+ (s, IPPROTO_IP, IP_MULTICAST_LOOP, &loop,
+ (socklen_t *)&len) != 0) {
+ perror("Error: Getting IP_MULTICAST_LOOP");
+ errors++;
+ } else
+ printf("Got loopback setting\n");
+ if (loop != 1) {
+ printf("Error: IP_MULTICAST_LOOP not enabled, loop = %i\n",
+ loop);
+ errors++;
+ } else
+ printf("IP_MULTICAST_LOOP is enabled\n");
+
+ loop = 0; /* Disable IP_MULTICAST_LOOP */
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof(char)) !=
+ 0) {
+ errors++;
+ perror("Error: Setting IP_MULTICAST_LOOP");
+ } else
+ printf("Multicast loopback disabled\n");
+ if (getsockopt
+ (s, IPPROTO_IP, IP_MULTICAST_LOOP, &loop,
+ (socklen_t *)&len) != 0) {
+ perror("Error: Getting IP_MULTICAST_LOOP");
+ errors++;
+ } else
+ printf("Got multicast loopback value\n");
+ if (loop != 0) {
+ printf("Error: IP_MULTICAST_LOOP not disabled, loop = %i\n",
+ loop);
+ errors++;
+ } else
+ printf("IP_MULTICAST_LOOP disabled\n");
+
+ close(s);
+ if (errors)
+ exit(1);
+ exit(0);
+}
diff --git a/testcases/network/multicast/mc_opts/mc_verify_opts_error.c
b/testcases/network/multicast/mc_opts/mc_verify_opts_error.c
new file mode 100644
index 0000000..9807e88
--- /dev/null
+++ b/testcases/network/multicast/mc_opts/mc_verify_opts_error.c
@@ -0,0 +1,76 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <netdb.h>
+
+int main(int argc, char *argv[])
+{
+ int s;
+ struct in_addr simr, gimr;
+
+ unsigned i1, i2, i3, i4;
+ struct hostent *hp, *gethostbyname();
+
+ unsigned char ttl;
+ char no_loop = 0, do_loop = 1;
+ unsigned long len = 0;
+
+ if (argc != 2) {
+ fprintf(stderr,
+ "usage: %s interface_name (or i.i.i.i)\n", argv[0]);
+ exit(1);
+ }
+ s = socket(AF_INET, SOCK_DGRAM, 0);
+ if (s == -1) {
+ perror("can't open socket");
+ exit(1);
+ }
+
+ hp = gethostbyname(argv[1]);
+ if (hp)
+ memcpy(&simr.s_addr, hp->h_addr, hp->h_length);
+ else if (sscanf(argv[1], "%u.%u.%u.%u", &i1, &i2, &i3, &i4) != 4) {
+ fprintf(stderr, "Bad interface address\n");
+ exit(1);
+ } else
+ simr.s_addr = htonl((i1 << 24) | (i2 << 16) | (i3 << 8) | i4);
+
+ /* verify socket options error messages */
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF, &simr,
+ sizeof(simr)) != 0)
+ perror("Setting IP_MULTICAST_IF"), exit(1);
+ len = sizeof(gimr);
+ if (getsockopt
+ (s, IPPROTO_IP, IP_MULTICAST_IF, &gimr, (socklen_t *)&len) != 0)
+ perror("Getting IP_MULTICAST_IF"), exit(1);
+
+ len = sizeof(ttl);
+ if (getsockopt
+ (s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, (socklen_t *)&len) != 0)
+ perror("Getting IP_MULTICAST_TTL"), exit(1);
+
+ ttl = 10; /* Set ttl to 10 */
+/* printf("setting ttl=10\n");*/
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl)) != 0)
+ perror("Setting IP_MULTICAST_TTL"), exit(1);
+
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_LOOP, &do_loop, sizeof(char))
+ != 0)
+ perror("Setting IP_MULTICAST_LOOP"), exit(1);
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_LOOP, &no_loop, sizeof(char))
+ != 0)
+ perror("Setting IP_MULTICAST_LOOP"), exit(1);
+ len = sizeof(no_loop);
+ if (getsockopt
+ (s, IPPROTO_IP, IP_MULTICAST_LOOP, &no_loop,
+ (socklen_t *)&len) != 0)
+ perror("Getting IP_MULTICAST_LOOP"), exit(1);
+
+ close(s);
+ exit(0);
+}
diff --git a/testcases/network/multicast/mc_opts/opts.c
b/testcases/network/multicast/mc_opts/opts.c
deleted file mode 100644
index 0174d91..0000000
--- a/testcases/network/multicast/mc_opts/opts.c
+++ /dev/null
@@ -1,150 +0,0 @@
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <netdb.h>
-
-#define MAXBUFSIZ 8096
-
-char buff[MAXBUFSIZ];
-int errors = 0;
-
-int main(argc, argv)
-int argc;
-char *argv[];
-{
- int s;
- struct in_addr gimr;
- struct ip_mreq simr;
-
- unsigned i1, i2, i3, i4;
- struct hostent *hp, *gethostbyname();
-
- char sintf[20], gintf[20];
- int n = 0;
- unsigned char ttl;
- char loop = 0;
- unsigned int len = 0;
-
- if (argc != 2) {
- fprintf(stderr,
- "usage: %s interface_name (or i.i.i.i)\n", argv[0]);
- exit(1);
- }
- if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
- perror("Error: can't open socket");
- exit(1);
- }
-
- printf("agrv sub 1 is %s\n", argv[1]);
- if ((hp = gethostbyname(argv[1])))
- memcpy(&simr.imr_interface.s_addr, hp->h_addr, hp->h_length);
- else if ((n = sscanf(argv[1], "%u.%u.%u.%u", &i1, &i2, &i3, &i4)) != 4)
{
- fprintf(stderr, "Bad interface address\n");
- exit(1);
- } else
- simr.imr_interface.s_addr =
- htonl((i1 << 24) | (i2 << 16) | (i3 << 8) | i4);
- strcpy(sintf, inet_ntoa(simr.imr_interface));
-
- /* verify socket options */
- if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF,
- &simr.imr_interface.s_addr,
- sizeof(simr.imr_interface.s_addr)) != 0) {
- perror("Error: Setting IP_MULTICAST_IF");
- errors++;
- } else
- printf("Set interface: %s for multicasting\n", sintf);
-
- len = sizeof(gimr);
- if (getsockopt
- (s, IPPROTO_IP, IP_MULTICAST_IF, &gimr, (socklen_t *) & len) != 0) {
- perror("Getting IP_MULTICAST_IF");
- errors++;
- } else {
- strcpy(gintf, inet_ntoa(gimr));
- printf("Got multicasting socket interface: %s\n", gintf);
- }
-
- /* Verify that the multicastion for the interface was set */
- if (strcmp(sintf, gintf) != 0) {
- printf("Error: IP_MULTICAST_IF was not set\n");
- errors++;
- } else
- printf
- ("Socket has been set for multicasting on interface: %s\n",
- sintf);
-
- len = sizeof(ttl);
- if (getsockopt
- (s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, (socklen_t *) & len) != 0) {
- perror("Error: Gettting IP_MULTICAST_TTL");
- errors++;
- } else
- printf("getsockopt: got ttl = %i\n", ttl);
- if (ttl != 1)
- printf("Error: IP_MULTICAST_TTL not default value, ttl = %i\n",
- ttl);
- ttl = 10; /* Set ttl to 10 */
- len = sizeof(ttl);
- if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl)) !=
0) {
- perror("Error: Setting IP_MULTICAST_TTL");
- errors++;
- } else
- printf("TTL set on multicast socket\n");
- if (getsockopt
- (s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, (socklen_t *) & len) != 0) {
- perror("Error: Getting IP_MULTICAST_TTL");
- errors++;
- }
- if (ttl != 10) {
- printf("Error: IP_MULTICAST_TTL not set, ttl = %i\n", ttl);
- errors++;
- }
-
- len = sizeof(loop);
- if (getsockopt
- (s, IPPROTO_IP, IP_MULTICAST_LOOP, &loop,
- (socklen_t *) & len) != 0) {
- perror("Error: Getting IP_MULTICAST_LOOP");
- errors++;
- } else
- printf("Got loopback setting\n");
- if (loop != 1) {
- printf("Error: IP_MULTICAST_LOOP not enabled, loop = %i\n",
- loop);
- errors++;
- } else
- printf("IP_MULTICAST_LOOP is enabled\n");
-
- loop = 0; /* Disable IP_MULTICAST_LOOP */
- if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof(char)) !=
- 0) {
- errors++;
- perror("Error: Setting IP_MULTICAST_LOOP");
- } else
- printf("Multicast loopback disabled\n");
- if (getsockopt
- (s, IPPROTO_IP, IP_MULTICAST_LOOP, &loop,
- (socklen_t *) & len) != 0) {
- perror("Error: Getting IP_MULTICAST_LOOP");
- errors++;
- } else
- printf("Got multicast loopback value\n");
- if (loop != 0) {
- printf("Error: IP_MULTICAST_LOOP not disabled, loop = %i\n",
- loop);
- errors++;
- } else
- printf("IP_MULTICAST_LOOP disabled\n");
-
- close(s);
- if (errors)
- exit(1);
- exit(0);
-}
diff --git a/testcases/network/multicast/mc_opts/opts_e.c
b/testcases/network/multicast/mc_opts/opts_e.c
deleted file mode 100644
index f91fa93..0000000
--- a/testcases/network/multicast/mc_opts/opts_e.c
+++ /dev/null
@@ -1,81 +0,0 @@
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <netdb.h>
-
-#define MAXBUFSIZ 8096
-
-char buff[MAXBUFSIZ];
-
-int main(argc, argv)
-int argc;
-char *argv[];
-{
- int s;
- struct in_addr simr, gimr;
-
- unsigned i1, i2, i3, i4;
- struct hostent *hp, *gethostbyname();
-
- unsigned char ttl;
- char no_loop = 0, do_loop = 1;
- unsigned long len = 0;
- int n = 0;
-
- if (argc != 2) {
- fprintf(stderr,
- "usage: %s interface_name (or i.i.i.i)\n", argv[0]);
- exit(1);
- }
- if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
- perror("can't open socket");
- exit(1);
- }
-
- if ((hp = gethostbyname(argv[1])))
- memcpy(&simr.s_addr, hp->h_addr, hp->h_length);
- else if ((n = sscanf(argv[1], "%u.%u.%u.%u", &i1, &i2, &i3, &i4)) != 4)
{
- fprintf(stderr, "Bad interface address\n");
- exit(1);
- } else
- simr.s_addr = htonl((i1 << 24) | (i2 << 16) | (i3 << 8) | i4);
-
- /* verify socket options error messages */
- if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF, &simr,
- sizeof(simr)) != 0)
- perror("Setting IP_MULTICAST_IF"), exit(1);
- len = sizeof(gimr);
- if (getsockopt
- (s, IPPROTO_IP, IP_MULTICAST_IF, &gimr, (socklen_t *) & len) != 0)
- perror("Getting IP_MULTICAST_IF"), exit(1);
-
- len = sizeof(ttl);
- if (getsockopt
- (s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, (socklen_t *) & len) != 0)
- perror("Getting IP_MULTICAST_TTL"), exit(1);
-
- ttl = 10; /* Set ttl to 10 */
-/* printf("setting ttl=10\n");*/
- if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl)) != 0)
- perror("Setting IP_MULTICAST_TTL"), exit(1);
-
- if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_LOOP, &do_loop, sizeof(char))
- != 0)
- perror("Setting IP_MULTICAST_LOOP"), exit(1);
- if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_LOOP, &no_loop, sizeof(char))
- != 0)
- perror("Setting IP_MULTICAST_LOOP"), exit(1);
- len = sizeof(no_loop);
- if (getsockopt
- (s, IPPROTO_IP, IP_MULTICAST_LOOP, &no_loop,
- (socklen_t *) & len) != 0)
- perror("Getting IP_MULTICAST_LOOP"), exit(1);
-
- close(s);
- exit(0);
-}
--
1.9.3
------------------------------------------------------------------------------
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