server: dump where we attempted to bind in case of failure
Helps locate what the issue is, instead of having to use
strace and similar tools.
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/server.c b/server.c
index 32d6914..0954d4c 100644
--- a/server.c
+++ b/server.c
@@ -1267,6 +1267,8 @@
{
struct sockaddr *addr;
socklen_t socklen;
+ char buf[80];
+ const char *str;
int sk, opt;
if (use_ipv6)
@@ -1294,17 +1296,24 @@
#endif
if (use_ipv6) {
+ const void *src = &saddr_in6.sin6_addr;
+
addr = (struct sockaddr *) &saddr_in6;
socklen = sizeof(saddr_in6);
saddr_in6.sin6_family = AF_INET6;
+ str = inet_ntop(AF_INET6, src, buf, sizeof(buf));
} else {
+ const void *src = &saddr_in.sin_addr;
+
addr = (struct sockaddr *) &saddr_in;
socklen = sizeof(saddr_in);
saddr_in.sin_family = AF_INET;
+ str = inet_ntop(AF_INET, src, buf, sizeof(buf));
}
if (bind(sk, addr, socklen) < 0) {
log_err("fio: bind: %s\n", strerror(errno));
+ log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str);
close(sk);
return -1;
}