f_tee.cpp
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//
// Created by Arnaud Blanchard on 22/12/15.
// Copyright ETIS 2015. All rights reserved.
//
#include "blc_channel.h"
#include "blc_program.h"
#include <unistd.h>
int main(int argc, char **argv){
blc_channel input, output1, output2;
char const *output_name1, *output_name2, *input_name;
blc_program_set_description("Duplicate a channel");
blc_program_add_option(&output_name1,'1', "output1", "blc_channel-out", "first copy of input", NULL);
blc_program_add_option(&output_name2, '2', "output2", "blc_channel-out", "second_copy of input", NULL);
blc_program_add_parameter(&input_name, "blc_channel-in", 1, "input channel to split", NULL);
blc_program_init(&argc, &argv, blc_quit);
if (output_name1==NULL) EXIT_ON_ERROR("You need option -1 <name of output channel>");
if (output_name2==NULL) EXIT_ON_ERROR("You need option -2 <name of output channel>");
input.open(input_name, BLC_CHANNEL_READ);
blc_loop_try_add_waiting_semaphore(input.sem_new_data);
blc_loop_try_add_posting_semaphore(input.sem_ack_data);
output1.create_or_open(output_name1, BLC_CHANNEL_WRITE, input.type, input.format, input.dims_nb, input.dims);
output2.create_or_open(output_name2, BLC_CHANNEL_WRITE, input.type, input.format, input.dims_nb, input.dims);
BLC_COMMAND_LOOP(0){
if (output1.sem_ack_data) sem_wait(output1.sem_ack_data);
memcpy(output1.data, input.data, output1.size);
if (output1.sem_new_data) sem_post(output1.sem_new_data);
if (output2.sem_ack_data) sem_wait(output2.sem_ack_data);
memcpy(output2.data, input.data, output2.size);
if (output2.sem_new_data) sem_post(output2.sem_new_data);
}
return EXIT_SUCCESS;
}