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Merge pull request #36321 from Faless/net/win_tcp_noreuse

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Disable NetSocket reuse address on Windows.
This commit is contained in:
Rémi Verschelde 2020-02-18 16:03:29 +01:00 committed by GitHub
parent 27326f8238 cae0d8853d
commit 6e64036693
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 3 deletions
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13
drivers/unix/net_socket_posix.cpp
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@ -673,22 +673,29 @@ void NetSocketPosix::set_tcp_no_delay_enabled(bool p_enabled) {
void NetSocketPosix::set_reuse_address_enabled(bool p_enabled) {
ERR_FAIL_COND(!is_open());
// On Windows, enabling SO_REUSEADDR actually would also enable reuse port, very bad on TCP. Denying...
// Windows does not have this option, SO_REUSEADDR in this magical world means SO_REUSEPORT
#ifndef WINDOWS_ENABLED
if (_is_stream)
return;
int par = p_enabled ? 1 : 0;
if (setsockopt(_sock, SOL_SOCKET, SO_REUSEADDR, SOCK_CBUF(&par), sizeof(int)) < 0) {
WARN_PRINT("Unable to set socket REUSEADDR option!");
}
#endif
}
void NetSocketPosix::set_reuse_port_enabled(bool p_enabled) {
// Windows does not have this option, as it is always ON when setting REUSEADDR.
#ifndef WINDOWS_ENABLED
ERR_FAIL_COND(!is_open());
// See comment above...
#ifdef WINDOWS_ENABLED
#define SO_REUSEPORT SO_REUSEADDR
#endif
int par = p_enabled ? 1 : 0;
if (setsockopt(_sock, SOL_SOCKET, SO_REUSEPORT, SOCK_CBUF(&par), sizeof(int)) < 0) {
WARN_PRINT("Unable to set socket REUSEPORT option!");
}
#endif
}
bool NetSocketPosix::is_open() const {