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-rw-r--r--include/conntrackd.h1
-rw-r--r--src/main.c7
-rw-r--r--src/sync-ftfw.c69
3 files changed, 42 insertions, 35 deletions
diff --git a/include/conntrackd.h b/include/conntrackd.h
index c0bb4bb..448d594 100644
--- a/include/conntrackd.h
+++ b/include/conntrackd.h
@@ -25,6 +25,7 @@
#define DUMP_INT_XML 24 /* dump internal cache in XML */
#define DUMP_EXT_XML 25 /* dump external cache in XML */
#define RESET_TIMERS 26 /* reset kernel timers */
+#define DEBUG_INFO 27 /* show debug info (if any) */
#define DEFAULT_CONFIGFILE "/etc/conntrackd/conntrackd.conf"
#define DEFAULT_LOCKFILE "/var/lock/conntrackd.lock"
diff --git a/src/main.c b/src/main.c
index b535c40..d6aa938 100644
--- a/src/main.c
+++ b/src/main.c
@@ -47,7 +47,8 @@ static const char usage_client_commands[] =
" -R, resync with kernel conntrack table\n"
" -n, request resync with other node (only FT-FW and NOTRACK modes)\n"
" -x, dump cache in XML format (requires -i or -e)"
- " -t, reset the kernel timeout (see PurgeTimeout clause)";
+ " -t, reset the kernel timeout (see PurgeTimeout clause)"
+ " -v, show internal debugging information (if any)";
static const char usage_options[] =
"Options:\n"
@@ -180,6 +181,10 @@ int main(int argc, char *argv[])
}
break;
+ case 'v':
+ set_operation_mode(&type, REQUEST, argv);
+ action = DEBUG_INFO;
+ break;
default:
show_usage(argv[0]);
fprintf(stderr, "Unknown option: %s\n", argv[i]);
diff --git a/src/sync-ftfw.c b/src/sync-ftfw.c
index b7eabdf..f900919 100644
--- a/src/sync-ftfw.c
+++ b/src/sync-ftfw.c
@@ -139,36 +139,6 @@ static void do_alive_alarm(struct alarm_block *a, void *data)
mcast_buffered_pending_netmsg(STATE_SYNC(mcast_client));
}
-#undef _SIGNAL_DEBUG
-#ifdef _SIGNAL_DEBUG
-
-static int rs_dump(void *data1, const void *data2)
-{
- struct nethdr_ack *net = data1;
-
- printf("in RS queue -> seq:%u flags:%u\n", net->seq, net->flags);
-
- return 0;
-}
-
-#include <signal.h>
-
-static void my_dump(int foo)
-{
- struct cache_ftfw *cn, *tmp;
-
- list_for_each_entry_safe(cn, tmp, &rs_list, rs_list) {
- struct us_conntrack *u;
-
- u = cache_get_conntrack(STATE_SYNC(internal), cn);
- printf("in RS list -> seq:%u\n", cn->seq);
- }
-
- queue_iterate(rs_queue, NULL, rs_dump);
-}
-
-#endif
-
static int ftfw_init(void)
{
tx_queue = queue_create(CONFIG(resend_queue_size));
@@ -189,10 +159,6 @@ static int ftfw_init(void)
/* set ack window size */
window = CONFIG(window_size);
-#ifdef _SIGNAL_DEBUG
- signal(SIGUSR1, my_dump);
-#endif
-
return 0;
}
@@ -219,6 +185,38 @@ static int do_cache_to_tx(void *data1, void *data2)
return 0;
}
+static int debug_rs_queue_dump_step(void *data1, const void *data2)
+{
+ struct nethdr_ack *net = data1;
+ const int *fd = data2;
+ char buf[512];
+ int size;
+
+ size = sprintf(buf, "seq:%u flags:%u\n", net->seq, net->flags);
+ send(*fd, buf, size, 0);
+ return 0;
+}
+
+static void debug_rs_dump(int fd)
+{
+ struct cache_ftfw *cn, *tmp;
+ char buf[512];
+ int size;
+
+ size = sprintf(buf, "resent list (len=%u):\n", rs_list_len);
+ send(fd, buf, size, 0);
+ list_for_each_entry_safe(cn, tmp, &rs_list, rs_list) {
+ struct us_conntrack *u;
+
+ u = cache_get_conntrack(STATE_SYNC(internal), cn);
+ size = sprintf(buf, "seq:%u\n", cn->seq);
+ send(fd, buf, size, 0);
+ }
+ size = sprintf(buf, "\nresent queue (len=%u):\n", queue_len(rs_queue));
+ send(fd, buf, size, 0);
+ queue_iterate(rs_queue, &fd, debug_rs_queue_dump_step);
+}
+
static int ftfw_local(int fd, int type, void *data)
{
int ret = 1;
@@ -232,6 +230,9 @@ static int ftfw_local(int fd, int type, void *data)
dlog(LOG_NOTICE, "sending bulk update");
cache_iterate(STATE_SYNC(internal), NULL, do_cache_to_tx);
break;
+ case DEBUG_INFO:
+ debug_rs_dump(fd);
+ break;
default:
ret = 0;
break;