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extern "C"
{
#include "../../../apis/c/operator/operator_api.h"
}
#include <memory>
#include <iostream>
#include <vector>
#include <string.h>
#include <cassert>
class Operator
{
public:
Operator();
};
Operator::Operator() {}
extern "C" DoraInitResult_t dora_init_operator()
{
Operator *op = std::make_unique<Operator>().release();
DoraInitResult_t result = {.operator_context = (void *)op};
return result;
}
extern "C" DoraResult_t dora_drop_operator(void *operator_context)
{
delete (Operator *)operator_context;
return {};
}
extern "C" OnEventResult_t dora_on_event(
RawEvent_t *event,
const SendOutput_t *send_output,
void *operator_context)
{
if (event->input != NULL)
{
// input event
Input_t *input = event->input;
char *id = dora_read_input_id(input);
Vec_uint8_t data = dora_read_data(input);
assert(data.ptr != NULL);
std::cout
<< "C++ Operator (C-API) received input `" << id << "` with data: [";
for (int i = 0; i < data.len; i++)
{
std::cout << (unsigned int)data.ptr[i] << ", ";
}
std::cout << "]" << std::endl;
const char *out_id = "half-status";
char *out_id_heap = strdup(out_id);
size_t out_data_len = 1;
uint8_t *out_data_heap = (uint8_t *)malloc(out_data_len);
*out_data_heap = *data.ptr / 2;
DoraResult_t send_result = dora_send_operator_output(send_output, out_id_heap, out_data_heap, out_data_len);
OnEventResult_t result = {.result = send_result, .status = DORA_STATUS_CONTINUE};
dora_free_data(data);
dora_free_input_id(id);
return result;
}
if (event->stop)
{
printf("C operator received stop event\n");
}
OnEventResult_t result = {.status = DORA_STATUS_CONTINUE};
return result;
}
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