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| author | Max Kellermann <max@duempel.org> | 2013-11-04 23:36:00 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2013-11-04 23:36:02 +0100 |
| commit | 7bca61f5bbacfdf19c9e143f3829aa157d22e003 (patch) | |
| tree | 1094473c2087382f059b65878fd548307ab9eacf /src/event | |
| parent | ecf12a60e8f82df59b1cf1fcbab1609fb2dfd7f4 (diff) | |
| download | mpd-7bca61f5bbacfdf19c9e143f3829aa157d22e003.tar.gz mpd-7bca61f5bbacfdf19c9e143f3829aa157d22e003.tar.xz mpd-7bca61f5bbacfdf19c9e143f3829aa157d22e003.zip | |
event/ServerSocket: don't abort if IPv6 is not available
First check if an IPv6 socket can be created.
Diffstat (limited to 'src/event')
| -rw-r--r-- | src/event/ServerSocket.cxx | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/event/ServerSocket.cxx b/src/event/ServerSocket.cxx index e1fbb34ff..781d29181 100644 --- a/src/event/ServerSocket.cxx +++ b/src/event/ServerSocket.cxx @@ -339,6 +339,7 @@ ServerSocket::AddPortIPv4(unsigned port) } #ifdef HAVE_IPV6 + inline void ServerSocket::AddPortIPv6(unsigned port) { @@ -349,6 +350,22 @@ ServerSocket::AddPortIPv6(unsigned port) AddAddress((const sockaddr &)sin, sizeof(sin)); } + +/** + * Is IPv6 supported by the kernel? + */ +gcc_pure +static bool +SupportsIPv6() +{ + int fd = socket(AF_INET6, SOCK_STREAM, 0); + if (fd < 0) + return false; + + close(fd); + return true; +} + #endif /* HAVE_IPV6 */ #endif /* HAVE_TCP */ @@ -363,7 +380,8 @@ ServerSocket::AddPort(unsigned port, Error &error) } #ifdef HAVE_IPV6 - AddPortIPv6(port); + if (SupportsIPv6()) + AddPortIPv6(port); #endif AddPortIPv4(port); |