/**
* Establishes connection with the Bluetooth device.
*
* If this function returns JAVACALL_WOULD_BLOCK,
* the notification is delivered through javanotify_bt_protocol_event()
* with JAVACALL_EVENT_BT_CONNECT_COMPLETE type.
*
* @param handle connection handle
* @param addr pointer to the address of device to connect to
* @param cn channel number to connect to
* @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_connect(
javacall_handle handle,
const javacall_bt_address addr,
int cn)
{
return javacall_bt_l2cap_connect(handle, addr, cn, NULL, NULL);
}
/*
* Performs client connection establishment.
*
* Note: the method gets native connection handle directly from
* <code>handle<code> field of <code>L2CAPConnectionImpl</code> object.
*
* @param addr bluetooth address of device to connect to
* @param psm Protocol Service Multiplexor (PSM) value
* @return Negotiated ReceiveMTU and TransmitMTU.
* 16 high bits is ReceiveMTU, 16 low bits is TransmitMTU.
*
* @throws IOException if any I/O error occurs
*/
KNIEXPORT KNI_RETURNTYPE_INT
Java_com_sun_jsr082_bluetooth_btl2cap_L2CAPConnectionImpl_connect0(void) {
unsigned char *address = NULL;
int psm = (int)KNI_GetParameterAsInt(2);
javacall_handle handle = JAVACALL_BT_INVALID_HANDLE;
int status, i, imtu, omtu, mtus;
void* context = NULL;
MidpReentryData* info;
javacall_bt_address addr;
jfieldID connHandleID = NULL;
KNI_StartHandles(3);
KNI_DeclareHandle(thisHandle);
KNI_DeclareHandle(arrayHandle);
KNI_DeclareHandle(classHandle);
KNI_GetThisPointer(thisHandle);
KNI_GetClassPointer(classHandle);
GET_FIELDID(classHandle, "handle", "I", connHandleID)
KNI_GetParameterAsObject(1, arrayHandle);
handle = (javacall_handle)KNI_GetIntField(thisHandle, connHandleID);
REPORT_INFO1(LC_PROTOCOL, "btl2cap::connect handle=%d", handle);
/* copy address from Java input array */
SNI_BEGIN_RAW_POINTERS;
address = JavaByteArray(arrayHandle);
for (i = 0; i < JAVACALL_BT_ADDRESS_SIZE; i++) {
addr[i] = address[i];
}
SNI_END_RAW_POINTERS;
info = (MidpReentryData*)SNI_GetReentryData(NULL);
if (info == NULL) { /* First invocation */
// Need revisit: add resource counting
/*
* Verify that the resource is available well within limit as per
* the policy in ResourceLimiter
*/
/*
if (midpCheckResourceLimit(RSC_TYPE_BT_CLI, 1) == 0) {
const char* pMsg = "Resource limit exceeded for BT client sockets";
REPORT_INFO(LC_PROTOCOL, pMsg);
KNI_ThrowNew(midpIOException, EXCEPTION_MSG(pMsg));
} else {
*/
status = javacall_bt_l2cap_connect(handle, address, psm,
&imtu, &omtu);
if (status == JAVACALL_OK) {
// Need revisit: add resource counting
/*
if (midpIncResourceCount(RSC_TYPE_BT_CLI, 1) == 0) {
REPORT_INFO(LC_PROTOCOL, "Resource limit update error");
}
*/
} else if (status == JAVACALL_FAIL) {
char* pError;
javacall_bt_l2cap_get_error(handle, &pError);
midp_snprintf(gKNIBuffer, KNI_BUFFER_SIZE,
"IO error in btl2cap::connect (%s)\n", pError);
REPORT_INFO(LC_PROTOCOL, gKNIBuffer);
KNI_ThrowNew(midpIOException, EXCEPTION_MSG(gKNIBuffer));
} else if (status == JAVACALL_WOULD_BLOCK) {
// Need revisit: add bluetooth activity indicator
// INC_BT_INDICATOR;
// Need revisit: add resource counting
/*
if (midpIncResourceCount(RSC_TYPE_BT_CLI, 1) == 0) {
REPORT_INFO(LC_PROTOCOL, "Resource limit update error");
}
*/
REPORT_INFO1(LC_PROTOCOL,
"btl2cap::connect is waiting for complete notify"
", handle = %d\n", handle);
midp_thread_wait(NETWORK_WRITE_SIGNAL, (int)handle, context);
} else {
char* pMsg = "Unknown error during btl2cap::connect";
REPORT_INFO(LC_PROTOCOL, pMsg);
KNI_ThrowNew(midpIOException, EXCEPTION_MSG(pMsg));
}
// }
} else { /* Reinvocation after unblocking the thread */
context = info->pResult;
if ((javacall_handle)info->descriptor != handle) {
REPORT_CRIT2(LC_PROTOCOL,
"btl2cap::connect handles mismatched %d != %d\n",
handle, (javacall_handle)info->descriptor);
}
status = javacall_bt_l2cap_connect(handle, address, psm,
&imtu, &omtu);
if (status == JAVACALL_OK) {
// Need revisit: add bluetooth activity indicator
// DEC_BT_INDICATOR;
} else if (status == JAVACALL_WOULD_BLOCK) {
midp_thread_wait(NETWORK_WRITE_SIGNAL, (int)handle, context);
} else {
char* pError;
KNI_SetIntField(thisHandle, connHandleID, (jint)JAVACALL_BT_INVALID_HANDLE);
// Need revisit: add bluetooth activity indicator
// DEC_BT_INDICATOR;
// Need revisit: add resource counting
/*
if (midpDecResourceCount(RSC_TYPE_BT_CLI, 1) == 0) {
REPORT_INFO(LC_PROTOCOL, "Resource limit update error");
}
*/
javacall_bt_l2cap_get_error(handle, &pError);
midp_snprintf(gKNIBuffer, KNI_BUFFER_SIZE,
"Error in btl2cap::connect (%s)", pError);
REPORT_INFO(LC_PROTOCOL, gKNIBuffer);
KNI_ThrowNew(midpConnectionNotFoundException,
EXCEPTION_MSG(gKNIBuffer));
}
}
mtus = (imtu << 16) & 0xFFFF0000;
mtus |= omtu & 0xFFFF;
KNI_EndHandles();
KNI_ReturnInt(mtus);
}