/**
* Open a datagram port for the given protocol in inbound or outbound mode.
*
* @param protocol A protocol type.
* @param port The port to be bound to the datagram traffic.
*
* @return <code>WMA_NET_SUCCESS<code> if the port could be opened
* successfully; <code>WMA_NET_IOERROR</code>, otherwise.
*/
WMA_STATUS jsr120_datagram_open(WMA_PROTOCOLS protocol, jint port) {
jint fd;
jint res;
void *context;
res = pcsl_datagram_open_start(port, (void**)(void*)&fd, &context);
/*
* Need revisit: handle WOULDBLOCK
*/
if (res == PCSL_NET_SUCCESS) {
/* Create WMASocket for receiving datagrams. */
if (protocol == WMA_SMS_PROTOCOL) {
smsHandle = (void *)wmaCreateSocketHandle(protocol, fd);
} else if (protocol == WMA_CBS_PROTOCOL) {
cbsHandle = (void *)wmaCreateSocketHandle(protocol, fd);
}
#if ENABLE_JSR_205
else if (protocol == WMA_MMS_PROTOCOL) {
mmsHandle = (void *)wmaCreateSocketHandle(protocol, fd);
}
#endif
else {
void *context;
pcsl_datagram_close_start((void*)fd, &context);
return WMA_NET_INVALID;
}
pcsl_add_network_notifier((void*)fd, PCSL_NET_CHECK_READ);
return WMA_NET_SUCCESS;
}
return WMA_NET_IOERROR;
}
/**
* Opens a datagram connection on the given port.
* <p>
* Java declaration:
* <pre>
* open0(I[B)V
* </pre>
*
* @param port port to listen on, or 0 to have one selected
* @param suiteId the ID of the current MIDlet suite
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_io_j2me_datagram_Protocol_open0(void) {
int port;
SuiteIdType suiteId;
jboolean tryOpen = KNI_TRUE;
KNI_StartHandles(1);
KNI_DeclareHandle(thisObject);
KNI_GetThisPointer(thisObject);
port = (int)KNI_GetParameterAsInt(1);
suiteId = KNI_GetParameterAsInt(2);
if (getMidpDatagramProtocolPtr(thisObject)->nativeHandle
!= (jint)INVALID_HANDLE) {
KNI_ThrowNew(midpIOException, "already open");
tryOpen = KNI_FALSE;
}
if (tryOpen) {
int pushReturn;
pushReturn = pushcheckout("datagram", port,
(char*)midp_suiteid2chars(suiteId));
/*
* pushcheckout() returns -1 if the handle wasn't found, -2 if it's
* already in use by another suite, otherwise a valid checked-out
* handle.
*/
if (pushReturn == -1) {
/* leave tryOpen == KNI_TRUE and try again below */
} else if (pushReturn == -2) {
KNI_ThrowNew(midpIOException, "already in use");
tryOpen = KNI_FALSE;
} else {
/* IMPL NOTE: need to do resource accounting for this case */
getMidpDatagramProtocolPtr(thisObject)->nativeHandle
= (jint)pushReturn;
tryOpen = KNI_FALSE;
}
}
if (tryOpen) {
if (midpCheckResourceLimit(RSC_TYPE_UDP, 1) == 0) {
KNI_ThrowNew(midpIOException, "resource limit exceeded");
} else {
MidpReentryData* info;
int status;
void *socketHandle;
void *context;
info = (MidpReentryData*)SNI_GetReentryData(NULL);
if (info == NULL) {
/* initial invocation */
INC_NETWORK_INDICATOR;
status = pcsl_datagram_open_start(port, &socketHandle,
&context);
} else {
/* reinvocation */
socketHandle = (void *)info->descriptor;
context = info->pResult;
status = pcsl_datagram_open_finish(socketHandle, context);
}
if (status == PCSL_NET_SUCCESS) {
if (midpIncResourceCount(RSC_TYPE_UDP, 1) == 0) {
REPORT_INFO(LC_PROTOCOL,
"Datagrams: resource limit update error");
}
getMidpDatagramProtocolPtr(thisObject)->nativeHandle
= (jint)socketHandle;
DEC_NETWORK_INDICATOR;
} else if (status == PCSL_NET_WOULDBLOCK) {
midp_thread_wait(NETWORK_WRITE_SIGNAL, (int)socketHandle,
context);
} else {
/* status == PCSL_NET_IOERROR */
midp_snprintf(gKNIBuffer, KNI_BUFFER_SIZE,
"error code %d", pcsl_network_error(socketHandle));
REPORT_INFO1(LC_PROTOCOL, "datagram::open0 %s", gKNIBuffer);
KNI_ThrowNew(midpIOException, gKNIBuffer);
DEC_NETWORK_INDICATOR;
}
}
}
KNI_EndHandles();
KNI_ReturnVoid();
}
