javax_virtualsense_network_Packet_byte___toByteArray(){
uint8_t i = 0;
dj_object *obj = REF_TO_VOIDP(dj_exec_stackPopRef());
heap_chunk * chk = getChunk(obj);
dj_int_array * ret;
uint16_t length = chk->size;
PRINTF("obj id is %d and array size is %d \n", chk->id, chk->size);
ret = dj_int_array_create(T_BYTE, length);
// data.bytes conatains | chunk struct | chk->size -sizeof(heap_chunk) bytes |
memcpy(ret->data.bytes, (char*)chk, length);
for(i = 0; i < ret->array.length; i++)
PRINTF("%x-", ret->data.bytes[i]);
PRINTF("\n");
dj_exec_stackPushRef(VOIDP_TO_REF(ret));
}
// byte[] javax.darjeeling.io.ProgramFlash.read(int)
void javax_darjeeling_io_ProgramFlash_byte____read_int()
{
// Pop arguments.
/*uint32_t index = */dj_exec_stackPopInt();
/*ref_t obj = */dj_exec_stackPopRef();
// Allocate byte array.
dj_int_array * arr = dj_int_array_create(T_BYTE, PROGFLASH_BLOCKSIZE);
// Read data from 'program flash'.
// TODO implement ...
// Return data.
dj_exec_stackPushRef(VOIDP_TO_REF(arr));
}
// byte[] javax.darjeeling.io.ProgramFlash.read(int)
void javax_darjeeling_io_ProgramFlash_byte____read_int()
{
// Pop arguments.
// TODO: use when this gets implemented, but for now discard the index to avoid compiler warning
// uint32_t index = dj_exec_stackPopInt();
dj_exec_stackPopInt();
// ignore the 'this' argument
dj_exec_stackPopRef();
// Allocate byte array.
dj_int_array * arr = dj_int_array_create(T_BYTE, PROGFLASH_BLOCKSIZE);
// Read data from 'program flash'.
// TODO implement ...
// Return data.
dj_exec_stackPushRef(VOIDP_TO_REF(arr));
}
// byte[] javax.radio.Radio._readBytes()
void javax_radio_Radio_byte____readBytes()
{
int length = tossim_peekMessageLength();
dj_int_array * arr = dj_int_array_create(T_BYTE, length);
if (arr==NULL)
{
dj_exec_createAndThrow(BASE_CDEF_java_lang_OutOfMemoryError);
return;
}
void * data = tossim_popMessageBuffer();
if (data==NULL)
{
dj_exec_createAndThrow(BASE_CDEF_java_lang_VirtualMachineError);
return;
}
memcpy(arr->data.bytes, data, length);
dj_exec_stackPushRef(VOIDP_TO_REF(arr));
//avoid deadlocks
}
dj_object * dj_jstring_create(dj_vm *vm, int length)
{
dj_object * jstring;
// create java String object
uint8_t runtime_id = dj_vm_getSysLibClassRuntimeId(vm, BASE_CDEF_java_lang_String);
dj_di_pointer classDef = dj_vm_getRuntimeClassDefinition(vm, runtime_id);
jstring = dj_object_create(runtime_id, dj_di_classDefinition_getNrRefs(classDef), dj_di_classDefinition_getOffsetOfFirstReference(classDef));
// throw OutOfMemoryError if dj_object_create returns NULL
if (jstring == NULL) return NULL;
// add the string pointer to the safe memory pool to avoid it becoming invalid in case dj_int_array_create triggers a GC
dj_mem_addSafePointer((void**)&jstring);
// create charArray
dj_int_array * charArray = dj_int_array_create(T_CHAR, length);
// throw OutOfMemoryError
if (charArray == NULL)
{
dj_mem_free(jstring);
return NULL;
} else
{
BASE_STRUCT_java_lang_String * stringObject = (BASE_STRUCT_java_lang_String*)jstring;
stringObject->offset = 0;
stringObject->count = length;
stringObject->value = VOIDP_TO_REF(charArray);
}
// Remove the string object pointer from the safe memory pool.
dj_mem_removeSafePointer((void**)&jstring);
return jstring;
}
