| 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_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; |
| } |
|
|
