int udpPort(int port) {
int s;
struct sockaddr_in6 sockaddr;
int on;
int family = AF_INET6;
s = socket_cloexec(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (s == -1) {
family = AF_INET;
s = socket_cloexec(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (s == -1) {
logg->logError(__FILE__, __LINE__, "socket failed");
handleException();
}
}
on = 1;
if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on)) != 0) {
logg->logError(__FILE__, __LINE__, "setsockopt failed");
handleException();
}
memset((void*)&sockaddr, 0, sizeof(sockaddr));
sockaddr.sin6_family = family;
sockaddr.sin6_port = htons(port);
sockaddr.sin6_addr = in6addr_any;
if (bind(s, (struct sockaddr *)&sockaddr, sizeof(sockaddr)) < 0) {
logg->logError(__FILE__, __LINE__, "socket failed");
handleException();
}
return s;
}
int udpPort(int port) {
int s;
struct sockaddr_in6 sockaddr;
int on;
int family = AF_INET6;
s = socket_cloexec(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (s == -1) {
family = AF_INET;
s = socket_cloexec(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (s == -1) {
logg->logError("socket failed");
handleException();
}
}
on = 1;
if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on)) != 0) {
logg->logError("setsockopt REUSEADDR failed");
handleException();
}
// Listen on both IPv4 and IPv6
on = 0;
if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, (const char*)&on, sizeof(on)) != 0) {
logg->logMessage("setsockopt IPV6_V6ONLY failed");
}
memset((void*)&sockaddr, 0, sizeof(sockaddr));
sockaddr.sin6_family = family;
sockaddr.sin6_port = htons(port);
sockaddr.sin6_addr = in6addr_any;
if (bind(s, (struct sockaddr *)&sockaddr, sizeof(sockaddr)) < 0) {
logg->logError("socket failed");
handleException();
}
return s;
}
