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Print info on implicit SO_REUSEADDR

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Gerhard 2025-02-11 12:31:59 +01:00
parent 3339885f5b
commit e6aa3d1787
3 changed files with 12 additions and 3 deletions

10
xio-socket.c
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@ -2327,7 +2327,7 @@ int xiobind(
Socat option so-reuseaddr:
Option not applied: set it to 1
Option applied with a value: set it to the value
Option applied eith empty value "so-reuseaddr=": do not call setsockopt() for
Option applied with empty value "so-reuseaddr=": do not call setsockopt() for
SO_REUSEADDR
Return 0 on success, or -1 with errno when an error occurred.
*/
@ -2335,6 +2335,7 @@ int xiosock_reuseaddr(int fd, int ipproto, struct opt *opts)
{
union integral val;
union integral notnull;
int result;
int _errno;
val.u_int = 0;
@ -2345,7 +2346,12 @@ int xiosock_reuseaddr(int fd, int ipproto, struct opt *opts)
notnull.u_bool = true;
}
#endif /* WITH_TCP */
retropt_2integrals(opts, OPT_SO_REUSEADDR, &val, &notnull);
result = retropt_2integrals(opts, OPT_SO_REUSEADDR, &val, &notnull);
if (ipproto == IPPROTO_TCP && result < 0) {
Info("Setting SO_REUSADDR on TCP listen socket implicitly");
val.u_int = 1;
notnull.u_bool = true;
}
if (notnull.u_bool) {
if (Setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val.u_int, sizeof(int))
!= 0) {