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#include "operator_api.h"
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
DoraInitResult_t dora_init_operator(void)
{
// allocate memory for storing context across function calls (optional)
void *context = malloc(10);
// TODO initialize context memory
DoraInitResult_t result = {.operator_context = context};
return result;
}
DoraResult_t dora_drop_operator(void *operator_context)
{
free(operator_context);
DoraResult_t result = {};
return result;
}
OnEventResult_t dora_on_event(
RawEvent_t *event,
const SendOutput_t *send_output,
void *operator_context)
{
if (event->input != NULL)
{
char id[event->input->id.len + 1];
memcpy(id, event->input->id.ptr, event->input->id.len);
id[event->input->id.len] = 0;
// example for matching on input name
if (strcmp(id, "foo") == 0)
{
char *out_id = "bar";
char *out_id_heap = strdup(out_id);
int data_alloc_size = 10;
void *out_data = malloc(data_alloc_size);
// TODO initialize out_data
Output_t output = {.id = {
.ptr = (uint8_t *)out_id_heap,
.len = strlen(out_id_heap),
.cap = strlen(out_id_heap) + 1,
},
.data = {.ptr = (uint8_t *)out_data, .len = strlen(out_data), .cap = data_alloc_size}};
DoraResult_t res = (send_output->send_output.call)(send_output->send_output.env_ptr, output);
OnEventResult_t result = {.result = res, .status = DORA_STATUS_CONTINUE};
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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