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-rw-r--r--package/network/services/igmpproxy/patches/100-use-monotic-clock-instead-of-time-of-day.patch120
1 files changed, 120 insertions, 0 deletions
diff --git a/package/network/services/igmpproxy/patches/100-use-monotic-clock-instead-of-time-of-day.patch b/package/network/services/igmpproxy/patches/100-use-monotic-clock-instead-of-time-of-day.patch
new file mode 100644
index 0000000..e75283c
--- /dev/null
+++ b/package/network/services/igmpproxy/patches/100-use-monotic-clock-instead-of-time-of-day.patch
@@ -0,0 +1,120 @@
+From d0e66e0719ae8eb549f7cc220fdc66575d3db332 Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jonas.gorski@gmail.com>
+Date: Thu, 29 Mar 2012 17:01:11 +0200
+Subject: [PATCH 4/4] use monotic clock instead of time of day
+
+The time of day might chance e.g. by daylight savings time during the
+runtime, which causes timers to fire repeatedly for a long time.
+
+Contributed by T-Labs, Deutsche Telekom Innovation Laboratories
+
+Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
+---
+ configure.ac | 2 ++
+ src/igmpproxy.c | 26 +++++++++++++-------------
+ src/igmpproxy.h | 3 ++-
+ 3 files changed, 17 insertions(+), 14 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 85beb08..bd84eba 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -25,6 +25,8 @@ AC_CHECK_MEMBERS([struct sockaddr_in.sin_len], [], [], [[
+ #include <netinet/in.h>
+ ]])
+
++AC_SEARCH_LIBS([clock_gettime],[rt])
++
+ AC_CONFIG_FILES([
+ Makefile
+ doc/Makefile
+diff --git a/src/igmpproxy.c b/src/igmpproxy.c
+index 35000c7..3a9ccad 100644
+--- a/src/igmpproxy.c
++++ b/src/igmpproxy.c
+@@ -234,13 +234,13 @@ void igmpProxyRun() {
+ int MaxFD, Rt, secs;
+ fd_set ReadFDS;
+ socklen_t dummy = 0;
+- struct timeval curtime, lasttime, difftime, tv;
++ struct timespec curtime, lasttime, difftime, tv;
+ // The timeout is a pointer in order to set it to NULL if nessecary.
+- struct timeval *timeout = &tv;
++ struct timespec *timeout = &tv;
+
+ // Initialize timer vars
+- difftime.tv_usec = 0;
+- gettimeofday(&curtime, NULL);
++ difftime.tv_nsec = 0;
++ clock_gettime(CLOCK_MONOTONIC, &curtime);
+ lasttime = curtime;
+
+ // First thing we send a membership query in downstream VIF's...
+@@ -263,7 +263,7 @@ void igmpProxyRun() {
+ if(secs == -1) {
+ timeout = NULL;
+ } else {
+- timeout->tv_usec = 0;
++ timeout->tv_nsec = 0;
+ timeout->tv_sec = secs;
+ }
+
+@@ -274,7 +274,7 @@ void igmpProxyRun() {
+ FD_SET( MRouterFD, &ReadFDS );
+
+ // wait for input
+- Rt = select( MaxFD +1, &ReadFDS, NULL, NULL, timeout );
++ Rt = pselect( MaxFD +1, &ReadFDS, NULL, NULL, timeout, NULL );
+
+ // log and ignore failures
+ if( Rt < 0 ) {
+@@ -307,20 +307,20 @@ void igmpProxyRun() {
+ */
+ if (Rt == 0) {
+ curtime.tv_sec = lasttime.tv_sec + secs;
+- curtime.tv_usec = lasttime.tv_usec;
++ curtime.tv_nsec = lasttime.tv_nsec;
+ Rt = -1; /* don't do this next time through the loop */
+ } else {
+- gettimeofday(&curtime, NULL);
++ clock_gettime(CLOCK_MONOTONIC, &curtime);
+ }
+ difftime.tv_sec = curtime.tv_sec - lasttime.tv_sec;
+- difftime.tv_usec += curtime.tv_usec - lasttime.tv_usec;
+- while (difftime.tv_usec > 1000000) {
++ difftime.tv_nsec += curtime.tv_nsec - lasttime.tv_nsec;
++ while (difftime.tv_nsec > 1000000000) {
+ difftime.tv_sec++;
+- difftime.tv_usec -= 1000000;
++ difftime.tv_nsec -= 1000000000;
+ }
+- if (difftime.tv_usec < 0) {
++ if (difftime.tv_nsec < 0) {
+ difftime.tv_sec--;
+- difftime.tv_usec += 1000000;
++ difftime.tv_nsec += 1000000000;
+ }
+ lasttime = curtime;
+ if (secs == 0 || difftime.tv_sec > 0)
+diff --git a/src/igmpproxy.h b/src/igmpproxy.h
+index 4df8a79..36a4f04 100644
+--- a/src/igmpproxy.h
++++ b/src/igmpproxy.h
+@@ -44,12 +44,13 @@
+ #include <string.h>
+ #include <fcntl.h>
+ #include <stdbool.h>
++#include <time.h>
+
+ #include <sys/socket.h>
+ #include <sys/un.h>
+-#include <sys/time.h>
+ #include <sys/ioctl.h>
+ #include <sys/param.h>
++#include <sys/select.h>
+
+ #include <net/if.h>
+ #include <netinet/in.h>
+--
+1.7.2.5
+