/**
* Initiates data sending via connection.
*
* If JAVACALL_WOULD_BLOCK is returned,
* this function should be called again after the notification through
* javanotify_bt_protocol_event() with JAVACALL_EVENT_BT_SEND_COMPLETE type.
*
* @param handle connection handle
* @param pData pointer to data buffer
* @param len length of the data
* @param pBytesSent number of bytes that were really sent
* @retval JAVACALL_OK on success,
* @retval JAVACALL_WOULD_BLOCK if the caller needs a notification to complete the operation
* @retval JAVACALL_FAIL on error
*/
javacall_result javacall_bt_rfcomm_send(
javacall_handle handle,
const char* pData,
int len,
/*OUT*/ int* pBytesSent)
{
return javacall_bt_l2cap_send(handle, pData, len, pBytesSent);
}
/*
* Sends the specified data via Bluetooth stack.
*
* Note: the method gets native connection handle directly from
* <code>handle<code> field of <code>L2CAPConnectionImpl</code> object.
*
* @param buf the data to send
* @param off the offset into the data buffer
* @param len the length of the data in the buffer
* @return total number of send bytes,
* or <code>0</code> if empty pcaket has been send
* @throws IOException if an I/O error occurs
*/
KNIEXPORT KNI_RETURNTYPE_INT
Java_com_sun_jsr082_bluetooth_btl2cap_L2CAPConnectionImpl_send0(void) {
int length, offset;
javacall_handle handle;
int bytesWritten = 0;
int status = JAVACALL_FAIL;
void *context = NULL;
MidpReentryData* info;
jfieldID connHandleID = NULL;
offset = (int)KNI_GetParameterAsInt(2);
length = (int)KNI_GetParameterAsInt(3);
KNI_StartHandles(3);
KNI_DeclareHandle(arrayHandle);
KNI_DeclareHandle(thisHandle);
KNI_DeclareHandle(classHandle);
KNI_GetThisPointer(thisHandle);
KNI_GetClassPointer(classHandle);
GET_FIELDID(classHandle, "handle", "I", connHandleID)
handle = (javacall_handle)KNI_GetIntField(thisHandle, connHandleID);
KNI_GetParameterAsObject(1, arrayHandle);
REPORT_INFO3(LC_PROTOCOL,
"btl2cap::send off=%d len=%d handle=%d\n", offset, length, handle);
info = (MidpReentryData*)SNI_GetReentryData(NULL);
// Need revisit: add bluetooth activity indicator
// START_BT_INDICATOR;
if (info == NULL) { /* First invocation */
if (JAVACALL_BT_INVALID_HANDLE == handle) {
KNI_ThrowNew(midpIOException,
EXCEPTION_MSG("Invalid handle during btl2cap::send"));
} else {
// Need revisit: add bluetooth activity indicator
// INC_BT_INDICATOR;
SNI_BEGIN_RAW_POINTERS;
status = javacall_bt_l2cap_send(handle,
(char*)&(JavaByteArray(arrayHandle)[offset]),
length, &bytesWritten);
SNI_END_RAW_POINTERS;
}
} else { /* Reinvocation after unblocking the thread */
if (JAVACALL_BT_INVALID_HANDLE == handle) {
/* closed by another thread */
KNI_ThrowNew(midpInterruptedIOException, EXCEPTION_MSG(
"Interrupted IO error during btl2cap::send"));
// Need revisit: add bluetooth activity indicator
// DEC_BT_INDICATOR;
} else {
if ((javacall_handle)info->descriptor != handle) {
REPORT_CRIT2(LC_PROTOCOL,
"btl2cap::send handles mismatched %d != %d\n",
handle, (javacall_handle)info->descriptor);
}
context = info->pResult;
SNI_BEGIN_RAW_POINTERS;
status = javacall_bt_l2cap_send(handle,
(char*)&(JavaByteArray(arrayHandle)[offset]),
length, &bytesWritten);
SNI_END_RAW_POINTERS;
}
}
if (JAVACALL_BT_INVALID_HANDLE != handle) {
if (status == JAVACALL_OK) {
// Need revisit: add bluetooth activity indicator
// DEC_BT_INDICATOR;
} else {
char* pError;
javacall_bt_l2cap_get_error(handle, &pError);
REPORT_INFO1(LC_PROTOCOL, "btl2cap::send (%s)\n", pError);
if (status == JAVACALL_WOULD_BLOCK) {
midp_thread_wait(NETWORK_WRITE_SIGNAL, (int)handle, context);
} else if (status == JAVACALL_INTERRUPTED) {
char* pError;
javacall_bt_l2cap_get_error(handle, &pError);
midp_snprintf(gKNIBuffer, KNI_BUFFER_SIZE,
"Interrupted IO during btl2cap::send (%s)", pError);
KNI_ThrowNew(midpInterruptedIOException,
EXCEPTION_MSG(gKNIBuffer));
// Need revisit: add bluetooth activity indicator
// DEC_BT_INDICATOR;
} else {
char* pError;
javacall_bt_l2cap_get_error(handle, &pError);
midp_snprintf(gKNIBuffer, KNI_BUFFER_SIZE,
"IO error during btl2cap::send (%s)", pError);
KNI_ThrowNew(midpIOException, EXCEPTION_MSG(gKNIBuffer));
// Need revisit: add bluetooth activity indicator
// DEC_BT_INDICATOR;
}
}
}
REPORT_INFO1(LC_PROTOCOL, "btl2cap::send bytes=%d\n", bytesWritten);
KNI_EndHandles();
KNI_ReturnInt((jint)bytesWritten);
}