/**
* private native void init0(int sender, int receiver);
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_links_Link_init0(void)
{
int sender;
int receiver;
rendezvous *rp;
KNI_StartHandles(1);
KNI_DeclareHandle(thisObj);
sender = KNI_GetParameterAsInt(1);
receiver = KNI_GetParameterAsInt(2);
KNI_GetThisPointer(thisObj);
rp = rp_create(sender, receiver);
if (rp == NULL) {
KNI_ThrowNew(midpOutOfMemoryError, NULL);
} else {
setNativePointer(thisObj, rp);
rp_incref(rp);
}
KNI_EndHandles();
KNI_ReturnVoid();
}
/**
* private static native void getLinks0(Link[] linkarray);
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_links_LinkPortal_getLinks0(void)
{
int targetIsolate;
jsize len;
int i;
KNI_StartHandles(2);
KNI_DeclareHandle(linkArray);
KNI_DeclareHandle(linkObj);
targetIsolate = JVM_CurrentIsolateID();
KNI_GetParameterAsObject(1, linkArray);
len = KNI_GetArrayLength(linkArray);
if (portals != NULL) {
if (portals[targetIsolate].count > 0) {
rendezvous **rpp = portals[targetIsolate].rppa;
for (i = 0; i < len; i++) {
KNI_GetObjectArrayElement(linkArray, i, linkObj);
setNativePointer(linkObj, rpp[i]);
rp_incref(rpp[i]);
}
}
portal_free(&portals[targetIsolate]);
}
KNI_EndHandles();
KNI_ReturnVoid();
}
/**
* public native void close();
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_links_Link_close(void)
{
rendezvous *rp;
KNI_StartHandles(1);
KNI_DeclareHandle(thisObj);
KNI_GetThisPointer(thisObj);
rp = getNativePointer(thisObj);
/* ignore if closed twice */
if (rp != NULL) {
if (rp->sender == JVM_CurrentIsolateID()
&& rp->msg != INVALID_REFERENCE_ID) {
/* we're the sender, make sure to clean out our message */
SNI_DeleteReference(rp->msg);
rp->msg = INVALID_REFERENCE_ID;
}
rp->state = CLOSED;
midp_thread_signal(LINK_READY_SIGNAL, (int)rp, 0);
setNativePointer(thisObj, NULL);
rp_decref(rp);
}
KNI_EndHandles();
KNI_ReturnVoid();
}
// Binding
int w_LocalStorage_constructor(duk_context *ctx)
{
LocalStorage *inst = new LocalStorage();
setNativePointer(ctx, inst);
// Create an object property to save data
duk_push_this(ctx); /* this */
duk_push_object(ctx); /* this, emptyObj */
duk_put_prop_string(ctx, -2, "__MURAL_DATA__"); /* this */
duk_pop(ctx);
return 1;
}
/**
* private native void send0(LinkMessage msg)
* throws ClosedLinkException,
* InterruptedIOException,
* IOException;
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_links_Link_send0(void)
{
rendezvous *rp;
KNI_StartHandles(3);
KNI_DeclareHandle(thisObj);
KNI_DeclareHandle(messageObj);
KNI_DeclareHandle(otherMessageObj);
KNI_GetThisPointer(thisObj);
KNI_GetParameterAsObject(1, messageObj);
rp = getNativePointer(thisObj);
if (rp == NULL) {
if (SNI_GetReentryData(NULL) == NULL) {
KNI_ThrowNew(midpClosedLinkException, NULL);
} else {
KNI_ThrowNew(midpInterruptedIOException, NULL);
}
} else if (JVM_CurrentIsolateID() != rp->sender) {
KNI_ThrowNew(midpIllegalArgumentException, NULL);
} else {
switch (rp->state) {
case IDLE:
rp->msg = SNI_AddStrongReference(messageObj);
rp->state = SENDING;
midp_thread_wait(LINK_READY_SIGNAL, (int)rp, NULL);
break;
case RECEIVING:
rp->msg = SNI_AddStrongReference(messageObj);
rp->state = RENDEZVOUS;
midp_thread_signal(LINK_READY_SIGNAL, (int)rp, 0);
midp_thread_wait(LINK_READY_SIGNAL, (int)rp, NULL);
break;
case SENDING:
case RENDEZVOUS:
midp_thread_wait(LINK_READY_SIGNAL, (int)rp, NULL);
break;
case DONE:
getReference(rp->msg, "send0/DONE", otherMessageObj);
if (KNI_IsSameObject(messageObj, otherMessageObj)) {
/* it's our message, finish processing */
SNI_DeleteReference(rp->msg);
rp->msg = INVALID_REFERENCE_ID;
rp->state = IDLE;
midp_thread_signal(LINK_READY_SIGNAL, (int)rp, 0);
if (rp->retcode != OK) {
KNI_ThrowNew(midpIOException, NULL);
}
} else {
/* somebody else's message, just go back to sleep */
midp_thread_wait(LINK_READY_SIGNAL, (int)rp, NULL);
}
break;
case CLOSED:
setNativePointer(thisObj, NULL);
if (rp->msg != INVALID_REFERENCE_ID) {
/* a message was stranded in the link; clean it out */
SNI_DeleteReference(rp->msg);
rp->msg = INVALID_REFERENCE_ID;
}
rp_decref(rp);
if (SNI_GetReentryData(NULL) == NULL) {
KNI_ThrowNew(midpClosedLinkException, NULL);
} else {
KNI_ThrowNew(midpInterruptedIOException, NULL);
}
break;
}
}
KNI_EndHandles();
KNI_ReturnVoid();
}
/**
* private native void receive0(LinkMessage msg, Link link)
* throws ClosedLinkException,
* InterruptedIOException,
* IOException;
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_links_Link_receive0(void)
{
rendezvous *rp;
KNI_StartHandles(4);
KNI_DeclareHandle(thisObj);
KNI_DeclareHandle(recvMessageObj);
KNI_DeclareHandle(sendMessageObj);
KNI_DeclareHandle(linkObj);
KNI_GetThisPointer(thisObj);
KNI_GetParameterAsObject(1, recvMessageObj);
KNI_GetParameterAsObject(2, linkObj);
rp = getNativePointer(thisObj);
if (rp == NULL) {
if (SNI_GetReentryData(NULL) == NULL) {
KNI_ThrowNew(midpClosedLinkException, NULL);
} else {
KNI_ThrowNew(midpInterruptedIOException, NULL);
}
} else if (JVM_CurrentIsolateID() != rp->receiver) {
KNI_ThrowNew(midpIllegalArgumentException, NULL);
} else {
jboolean ok;
switch (rp->state) {
case IDLE:
rp->state = RECEIVING;
midp_thread_wait(LINK_READY_SIGNAL, (int)rp, NULL);
break;
case SENDING:
getReference(rp->msg, "receive0/SENDING",
sendMessageObj);
ok = copy(sendMessageObj, recvMessageObj, linkObj);
if (ok) {
rp->retcode = OK;
} else {
rp->retcode = ERROR;
KNI_ThrowNew(midpIOException, NULL);
}
rp->state = DONE;
midp_thread_signal(LINK_READY_SIGNAL, (int)rp, 0);
break;
case RENDEZVOUS:
getReference(rp->msg, "receive0/RENDEZVOUS", sendMessageObj);
ok = copy(sendMessageObj, recvMessageObj, linkObj);
if (ok) {
rp->retcode = OK;
} else {
rp->retcode = ERROR;
KNI_ThrowNew(midpIOException, NULL);
}
rp->state = DONE;
midp_thread_signal(LINK_READY_SIGNAL, (int)rp, 0);
break;
case RECEIVING:
case DONE:
midp_thread_wait(LINK_READY_SIGNAL, (int)rp, NULL);
break;
case CLOSED:
setNativePointer(thisObj, NULL);
rp_decref(rp);
if (SNI_GetReentryData(NULL) == NULL) {
KNI_ThrowNew(midpClosedLinkException, NULL);
} else {
KNI_ThrowNew(midpInterruptedIOException, NULL);
}
break;
}
}
KNI_EndHandles();
KNI_ReturnVoid();
}
/**
* Copies the contents of fromMsg to the contents of toMsg. Both must be
* instances of LinkMessage. The toLink object must be an instance of Link.
* It's filled in if the contents of fromMsg are a Link. Returns KNI_TRUE if
* successful, otherwise KNI_FALSE.
*/
static jboolean
copy(jobject fromMsg, jobject toMsg, jobject toLink) {
jboolean retval;
KNI_StartHandles(6);
KNI_DeclareHandle(byteArrayClass);
KNI_DeclareHandle(stringClass);
KNI_DeclareHandle(linkClass);
KNI_DeclareHandle(fromContents);
KNI_DeclareHandle(newString);
KNI_DeclareHandle(newByteArray);
KNI_FindClass("[B", byteArrayClass);
KNI_FindClass("java/lang/String", stringClass);
KNI_FindClass("com/sun/midp/links/Link", linkClass);
getContents(fromMsg, fromContents);
if (KNI_IsInstanceOf(fromContents, byteArrayClass)) {
/* do a byte array copy */
jint fromOffset;
jint fromLength;
getRange(fromMsg, &fromOffset, &fromLength);
SNI_NewArray(SNI_BYTE_ARRAY, fromLength, newByteArray);
if (KNI_IsNullHandle(newByteArray)) {
retval = KNI_FALSE;
} else {
KNI_GetRawArrayRegion(fromContents, fromOffset, fromLength,
SNI_GetRawArrayPointer(newByteArray));
setContents(toMsg, newByteArray);
setRange(toMsg, 0, fromLength);
retval = KNI_TRUE;
}
} else if (KNI_IsInstanceOf(fromContents, stringClass)) {
/* do a string copy */
jchar *buf;
jsize slen = KNI_GetStringLength(fromContents);
SNI_NewArray(SNI_BYTE_ARRAY, slen*sizeof(jchar), newByteArray);
if (KNI_IsNullHandle(newByteArray)) {
retval = KNI_FALSE;
} else {
buf = SNI_GetRawArrayPointer(newByteArray);
KNI_GetStringRegion(fromContents, 0, slen, buf);
KNI_NewString(buf, slen, newString);
setContents(toMsg, newString);
retval = KNI_TRUE;
}
} else if (KNI_IsInstanceOf(fromContents, linkClass)) {
/* copy the link */
rendezvous *rp = getNativePointer(fromContents);
setNativePointer(toLink, rp);
rp_incref(rp);
setContents(toMsg, toLink);
retval = KNI_TRUE;
} else {
retval = KNI_FALSE;
}
KNI_EndHandles();
return retval;
}