PR_IMPLEMENT(PRBool) _pr_test_ipv6_socket()
{
PROsfd osfd;
osfd = _PR_MD_SOCKET(AF_INET6, SOCK_STREAM, 0);
if (osfd != -1) {
_PR_MD_CLOSE_SOCKET(osfd);
return PR_TRUE;
}
return PR_FALSE;
}
PR_IMPLEMENT(PRFileDesc*) PR_Socket(PRInt32 domain, PRInt32 type, PRInt32 proto)
{
PRInt32 osfd;
int one = 1;
PRFileDesc *fd;
if (!_pr_initialized) _PR_ImplicitInitialization();
if (AF_INET != domain
#if defined(_PR_INET6)
&& AF_INET6 != domain
#endif
) {
PR_SetError(PR_ADDRESS_NOT_SUPPORTED_ERROR, 0);
return NULL;
}
osfd = _PR_MD_SOCKET(domain, type, proto);
if (osfd == -1) {
return 0;
}
#ifdef HAVE_SOCKET_KEEPALIVE
/* "Keep-alive" packets are specific to TCP. */
if (domain == AF_INET && type == SOCK_STREAM) {
if (setsockopt(osfd, (int)SOL_SOCKET, SO_KEEPALIVE,
(const void *) &one, sizeof(one) ) < 0) {
_PR_MD_CLOSE_SOCKET(osfd);
return 0;
}
}
#endif
if (type == SOCK_STREAM)
fd = PR_AllocFileDesc(osfd, PR_GetTCPMethods());
else
fd = PR_AllocFileDesc(osfd, PR_GetUDPMethods());
/*
* Make the sockets non-blocking
*/
if (fd != NULL)
_PR_MD_MAKE_NONBLOCK(fd);
else
_PR_MD_CLOSE_SOCKET(osfd);
return fd;
}
PR_IMPLEMENT(PRFileDesc*) PR_Socket(PRInt32 domain, PRInt32 type, PRInt32 proto)
{
PROsfd osfd;
PRFileDesc *fd;
PRInt32 tmp_domain = domain;
if (!_pr_initialized) _PR_ImplicitInitialization();
if (PR_AF_INET != domain
&& PR_AF_INET6 != domain
#if defined(XP_UNIX) || defined(XP_OS2)
&& PR_AF_LOCAL != domain
#endif
) {
PR_SetError(PR_ADDRESS_NOT_SUPPORTED_ERROR, 0);
return NULL;
}
#if defined(_PR_INET6_PROBE)
if (PR_AF_INET6 == domain)
domain = _pr_ipv6_is_present() ? AF_INET6 : AF_INET;
#elif defined(_PR_INET6)
if (PR_AF_INET6 == domain)
domain = AF_INET6;
#else
if (PR_AF_INET6 == domain)
domain = AF_INET;
#endif /* _PR_INET6 */
osfd = _PR_MD_SOCKET(domain, type, proto);
if (osfd == -1) {
return 0;
}
if (type == SOCK_STREAM)
fd = PR_AllocFileDesc(osfd, PR_GetTCPMethods());
else
fd = PR_AllocFileDesc(osfd, PR_GetUDPMethods());
/*
* Make the sockets non-blocking
*/
if (fd != NULL) {
_PR_MD_MAKE_NONBLOCK(fd);
_PR_MD_INIT_FD_INHERITABLE(fd, PR_FALSE);
#ifdef _PR_NEED_SECRET_AF
fd->secret->af = domain;
#endif
#if defined(_PR_INET6_PROBE) || !defined(_PR_INET6)
/*
* For platforms with no support for IPv6
* create layered socket for IPv4-mapped IPv6 addresses
*/
if (PR_AF_INET6 == tmp_domain && PR_AF_INET == domain) {
if (PR_FAILURE == _pr_push_ipv6toipv4_layer(fd)) {
PR_Close(fd);
fd = NULL;
}
}
#endif
} else
_PR_MD_CLOSE_SOCKET(osfd);
return fd;
}