ACL_SOCKET acl_accept(ACL_SOCKET sock, char *buf, size_t size, int* sock_type)
{
#ifdef ACL_WINDOWS
struct {
union {
struct sockaddr_in in;
} sa;
} addr;
#else
struct {
union {
struct sockaddr_in in;
struct sockaddr_un un;
struct sockaddr sa;
} sa;
} addr;
#endif
socklen_t len = sizeof(addr);
struct sockaddr *sa = (struct sockaddr*) &addr;
ACL_SOCKET fd;
memset(&addr, 0, sizeof(addr));
fd = acl_sane_accept(sock, sa, &len);
if (fd == ACL_SOCKET_INVALID)
return fd;
if (sock_type != NULL)
*sock_type = sa->sa_family;
if (buf != NULL && size > 0) {
size_t n;
#ifndef ACL_WINDOWS
if (sa->sa_family == AF_UNIX)
snprintf(buf, size, "%s", addr.sa.un.sun_path);
#endif
if (sa->sa_family != AF_INET)
return fd;
if (acl_inet_ntoa(addr.sa.in.sin_addr, buf, size) == NULL)
return fd;
n = strlen(buf);
if (n >= size)
return fd;
snprintf(buf + n, size - n, ":%u",
(unsigned short) ntohs(addr.sa.in.sin_port));
buf[size - 1] = 0;
}
return fd;
}
ACL_SOCKET acl_inet_accept_ex(ACL_SOCKET listen_fd, char *ipbuf, size_t size)
{
struct sockaddr_in client_addr;
socklen_t addr_len;
ACL_SOCKET fd;
memset(&client_addr, 0, sizeof(client_addr));
addr_len = sizeof(client_addr);
/* when client_addr not null and protocol is AF_INET, acl_sane_accept
* will set nodelay on the accepted socket, 2008.9.4, zsx
*/
fd = acl_sane_accept(listen_fd, (struct sockaddr *)&client_addr, &addr_len);
if (fd == ACL_SOCKET_INVALID)
return fd;
if (ipbuf != NULL && size > 0 && acl_getpeername(fd, ipbuf, size) < 0)
ipbuf[0] = 0;
return fd;
}
ACL_SOCKET acl_unix_accept(ACL_SOCKET fd)
{
return (acl_sane_accept(fd, (struct sockaddr *) 0, (socklen_t *) 0));
}