/*
* Class: java_net_DualStackPlainDatagramSocketImpl
* Method: socketCreate
* Signature: (Z)I
*/
JNIEXPORT jint JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketCreate
(JNIEnv *env, jclass clazz, jboolean v6Only /*unused*/) {
int fd, rv, opt=0, t=TRUE;
DWORD x1, x2; /* ignored result codes */
fd = (int) socket(AF_INET6, SOCK_DGRAM, 0);
if (fd == INVALID_SOCKET) {
NET_ThrowNew(env, WSAGetLastError(), "Socket creation failed");
return -1;
}
rv = setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (char *) &opt, sizeof(opt));
if (rv == SOCKET_ERROR) {
NET_ThrowNew(env, WSAGetLastError(), "Socket creation failed");
closesocket(fd);
return -1;
}
SetHandleInformation((HANDLE)(UINT_PTR)fd, HANDLE_FLAG_INHERIT, FALSE);
NET_SetSockOpt(fd, SOL_SOCKET, SO_BROADCAST, (char*)&t, sizeof(BOOL));
/* SIO_UDP_CONNRESET fixes a "bug" introduced in Windows 2000, which
* returns connection reset errors on unconnected UDP sockets (as well
* as connected sockets). The solution is to only enable this feature
* when the socket is connected.
*/
t = FALSE;
WSAIoctl(fd ,SIO_UDP_CONNRESET ,&t ,sizeof(t) ,&x1 ,sizeof(x1) ,&x2 ,0 ,0);
return fd;
}
/*
* Class: java_net_DualStackPlainSocketImpl
* Method: setIntOption
* Signature: (III)V
*/
JNIEXPORT void JNICALL Java_java_net_DualStackPlainSocketImpl_setIntOption
(JNIEnv *env, jclass clazz, jint fd, jint cmd, jint value) {
int level, opt;
struct linger linger;
char *parg;
int arglen;
if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
JNU_ThrowByNameWithLastError(env,
JNU_JAVANETPKG "SocketException",
"Invalid option");
return;
}
if (opt == java_net_SocketOptions_SO_LINGER) {
parg = (char *)&linger;
arglen = sizeof(linger);
if (value >= 0) {
linger.l_onoff = 1;
linger.l_linger = (unsigned short)value;
} else {
linger.l_onoff = 0;
linger.l_linger = 0;
}
} else {
parg = (char *)&value;
arglen = sizeof(value);
}
if (NET_SetSockOpt(fd, level, opt, parg, arglen) < 0) {
NET_ThrowNew(env, WSAGetLastError(), "setsockopt");
}
}
JNIEXPORT int JNICALL
Java_sun_nio_ch_Net_socket0(JNIEnv *env, jclass cl, jboolean stream,
jboolean reuse)
{
int fd;
#ifdef AF_INET6
if (ipv6_available())
fd = socket(AF_INET6, (stream ? SOCK_STREAM : SOCK_DGRAM), 0);
else
#endif /* AF_INET6 */
fd = socket(AF_INET, (stream ? SOCK_STREAM : SOCK_DGRAM), 0);
if (fd < 0) {
return handleSocketError(env, errno);
}
if (reuse) {
int arg = 1;
if (NET_SetSockOpt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&arg,
sizeof(arg)) < 0) {
JNU_ThrowByNameWithLastError(env,
JNU_JAVANETPKG "SocketException",
"sun.nio.ch.Net.setIntOption");
}
}
return fd;
}
JNIEXPORT void JNICALL
Java_sun_nio_ch_Net_setIntOption0(JNIEnv *env, jclass clazz, jobject fdo,
jboolean mayNeedConversion, jint level, jint opt, jint arg)
{
struct linger linger;
char *parg;
int arglen, n;
if (level == SOL_SOCKET && opt == SO_LINGER) {
parg = (char *)&linger;
arglen = sizeof(linger);
if (arg >= 0) {
linger.l_onoff = 1;
linger.l_linger = (unsigned short)arg;
} else {
linger.l_onoff = 0;
linger.l_linger = 0;
}
} else {
parg = (char *)&arg;
arglen = sizeof(arg);
}
if (mayNeedConversion) {
n = NET_SetSockOpt(fdval(env, fdo), level, opt, parg, arglen);
} else {
n = setsockopt(fdval(env, fdo), level, opt, parg, arglen);
}
if (n < 0)
handleSocketError(env, WSAGetLastError());
}
JNIEXPORT void JNICALL
Java_sun_nio_ch_Net_setIntOption0(JNIEnv *env, jclass clazz, jobject fdo,
jboolean mayNeedConversion, jint level,
jint opt, jint arg, jboolean isIPv6)
{
int result;
struct linger linger;
u_char carg;
void *parg;
socklen_t arglen;
int n;
/* Option value is an int except for a few specific cases */
parg = (void*)&arg;
arglen = sizeof(arg);
if (level == IPPROTO_IP &&
(opt == IP_MULTICAST_TTL || opt == IP_MULTICAST_LOOP)) {
parg = (void*)&carg;
arglen = sizeof(carg);
carg = (u_char)arg;
}
if (level == SOL_SOCKET && opt == SO_LINGER) {
parg = (void *)&linger;
arglen = sizeof(linger);
if (arg >= 0) {
linger.l_onoff = 1;
linger.l_linger = arg;
} else {
linger.l_onoff = 0;
linger.l_linger = 0;
}
}
if (mayNeedConversion) {
n = NET_SetSockOpt(fdval(env, fdo), level, opt, parg, arglen);
} else {
n = setsockopt(fdval(env, fdo), level, opt, parg, arglen);
}
if (n < 0) {
JNU_ThrowByNameWithLastError(env,
JNU_JAVANETPKG "SocketException",
"sun.nio.ch.Net.setIntOption");
}
#ifdef __linux__
if (level == IPPROTO_IPV6 && opt == IPV6_TCLASS && isIPv6) {
// set the V4 option also
setsockopt(fdval(env, fdo), IPPROTO_IP, IP_TOS, parg, arglen);
}
#endif
}
/*
* Class: java_net_DualStackPlainDatagramSocketImpl
* Method: socketSetIntOption
* Signature: (III)V
*/
JNIEXPORT void JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketSetIntOption
(JNIEnv *env, jclass clazz, jint fd , jint cmd, jint value) {
int level = 0, opt = 0;
if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"Invalid option");
return;
}
if (NET_SetSockOpt(fd, level, opt, (char *)&value, sizeof(value)) < 0) {
NET_ThrowNew(env, WSAGetLastError(), "setsockopt");
}
}
JNIEXPORT void JNICALL
Java_sun_nio_ch_Net_setIntOption0(JNIEnv *env, jclass clazz,
jobject fdo, jint opt, jint arg)
{
int klevel, kopt;
int result;
struct linger linger;
void *parg;
int arglen;
if (NET_MapSocketOption(opt, &klevel, &kopt) < 0) {
JNU_ThrowByNameWithLastError(env,
JNU_JAVANETPKG "SocketException",
"Unsupported socket option");
return;
}
if (opt == java_net_SocketOptions_SO_LINGER) {
parg = (void *)&linger;
arglen = sizeof(linger);
if (arg >= 0) {
linger.l_onoff = 1;
linger.l_linger = arg;
} else {
linger.l_onoff = 0;
linger.l_linger = 0;
}
} else {
parg = (void *)&arg;
arglen = sizeof(arg);
}
if (NET_SetSockOpt(fdval(env, fdo), klevel, kopt, parg, arglen) < 0) {
JNU_ThrowByNameWithLastError(env,
JNU_JAVANETPKG "SocketException",
"sun.nio.ch.Net.setIntOption");
}
}
/*
* Class: sun_nio_ch_sctp_SctpNet
* Method: getLocalAddresses0
* Signature: (I)[Ljava/net/SocketAddress;
*/
JNIEXPORT jobjectArray JNICALL Java_sun_nio_ch_sctp_SctpNet_getLocalAddresses0
(JNIEnv *env, jclass klass, jint fd) {
void *addr_buf, *laddr;
struct sockaddr* sap;
int i, addrCount;
jobjectArray isaa;
#ifdef __solaris__
if ((addrCount = nio_sctp_getladdrs(fd, 0, (void **)&addr_buf)) == -1) {
#else /* __linux__ */
if ((addrCount = nio_sctp_getladdrs(fd, 0, (struct sockaddr **)&addr_buf)) == -1) {
#endif
handleSocketError(env, errno);
return NULL;
}
if (addrCount < 1)
return NULL;
if (isaCls == 0) {
initializeISA(env);
CHECK_NULL_RETURN(isaCls, NULL);
}
isaa = (*env)->NewObjectArray(env, addrCount, isaCls, NULL);
if (isaa == NULL) {
nio_sctp_freeladdrs(addr_buf);
return NULL;
}
laddr = addr_buf;
for (i=0; i<addrCount; i++) {
int port = 0;
jobject isa = NULL, ia;
sap = (struct sockaddr*)addr_buf;
ia = NET_SockaddrToInetAddress(env, sap, &port);
if (ia != NULL)
isa = (*env)->NewObject(env, isaCls, isaCtrID, ia, port);
if (isa == NULL)
break;
(*env)->SetObjectArrayElement(env, isaa, i, isa);
if (sap->sa_family == AF_INET)
addr_buf = ((struct sockaddr_in*)addr_buf) + 1;
else
addr_buf = ((struct sockaddr_in6*)addr_buf) + 1;
}
nio_sctp_freeladdrs(laddr);
return isaa;
}
jobjectArray getRemoteAddresses
(JNIEnv *env, jint fd, sctp_assoc_t id) {
void *addr_buf, *paddr;
struct sockaddr* sap;
int i, addrCount;
jobjectArray isaa;
#if __solaris__
if ((addrCount = nio_sctp_getpaddrs(fd, id, (void **)&addr_buf)) == -1) {
#else /* __linux__ */
if ((addrCount = nio_sctp_getpaddrs(fd, id, (struct sockaddr**)&addr_buf)) == -1) {
#endif
handleSocketError(env, errno);
return NULL;
}
if (addrCount < 1)
return NULL;
if (isaCls == 0) {
initializeISA(env);
CHECK_NULL_RETURN(isaCls, NULL);
}
isaa = (*env)->NewObjectArray(env, addrCount, isaCls, NULL);
if (isaa == NULL) {
nio_sctp_freepaddrs(addr_buf);
return NULL;
}
paddr = addr_buf;
for (i=0; i<addrCount; i++) {
jobject ia, isa = NULL;
int port = 0;
sap = (struct sockaddr*)addr_buf;
ia = NET_SockaddrToInetAddress(env, sap, &port);
if (ia != NULL)
isa = (*env)->NewObject(env, isaCls, isaCtrID, ia, port);
if (isa == NULL)
break;
(*env)->SetObjectArrayElement(env, isaa, i, isa);
if (sap->sa_family == AF_INET)
addr_buf = ((struct sockaddr_in*)addr_buf) + 1;
else
addr_buf = ((struct sockaddr_in6*)addr_buf) + 1;
}
nio_sctp_freepaddrs(paddr);
return isaa;
}
/*
* Class: sun_nio_ch_sctp_SctpNet
* Method: getRemoteAddresses0
* Signature: (II)[Ljava/net/SocketAddress;
*/
JNIEXPORT jobjectArray JNICALL Java_sun_nio_ch_sctp_SctpNet_getRemoteAddresses0
(JNIEnv *env, jclass klass, jint fd, jint assocId) {
return getRemoteAddresses(env, fd, assocId);
}
/* Map the Java level option to the native level */
int mapSocketOption
(jint cmd, int *level, int *optname) {
static struct {
jint cmd;
int level;
int optname;
} const opts[] = {
{ sun_nio_ch_sctp_SctpStdSocketOption_SCTP_DISABLE_FRAGMENTS, IPPROTO_SCTP, SCTP_DISABLE_FRAGMENTS },
{ sun_nio_ch_sctp_SctpStdSocketOption_SCTP_EXPLICIT_COMPLETE, IPPROTO_SCTP, SCTP_EXPLICIT_EOR },
{ sun_nio_ch_sctp_SctpStdSocketOption_SCTP_FRAGMENT_INTERLEAVE, IPPROTO_SCTP, SCTP_FRAGMENT_INTERLEAVE },
{ sun_nio_ch_sctp_SctpStdSocketOption_SCTP_NODELAY, IPPROTO_SCTP, SCTP_NODELAY },
{ sun_nio_ch_sctp_SctpStdSocketOption_SO_SNDBUF, SOL_SOCKET, SO_SNDBUF },
{ sun_nio_ch_sctp_SctpStdSocketOption_SO_RCVBUF, SOL_SOCKET, SO_RCVBUF },
{ sun_nio_ch_sctp_SctpStdSocketOption_SO_LINGER, SOL_SOCKET, SO_LINGER } };
int i;
for (i=0; i<(int)(sizeof(opts) / sizeof(opts[0])); i++) {
if (cmd == opts[i].cmd) {
*level = opts[i].level;
*optname = opts[i].optname;
return 0;
}
}
/* not found */
return -1;
}
/*
* Class: sun_nio_ch_sctp_SctpNet
* Method: setIntOption0
* Signature: (III)V
*/
JNIEXPORT void JNICALL Java_sun_nio_ch_sctp_SctpNet_setIntOption0
(JNIEnv *env, jclass klass, jint fd, jint opt, int arg) {
int klevel, kopt;
int result;
struct linger linger;
void *parg;
int arglen;
if (mapSocketOption(opt, &klevel, &kopt) < 0) {
JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"Unsupported socket option");
return;
}
if (opt == sun_nio_ch_sctp_SctpStdSocketOption_SO_LINGER) {
parg = (void *)&linger;
arglen = sizeof(linger);
if (arg >= 0) {
linger.l_onoff = 1;
linger.l_linger = arg;
} else {
linger.l_onoff = 0;
linger.l_linger = 0;
}
} else {
parg = (void *)&arg;
arglen = sizeof(arg);
}
if (NET_SetSockOpt(fd, klevel, kopt, parg, arglen) < 0) {
JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"sun_nio_ch_sctp_SctpNet.setIntOption0");
}
}
