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107 lines
2.2 KiB
107 lines
2.2 KiB
/*
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Copyright Jeroen Vreeken (jeroen@vreeken.net), 2016
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "interface.h"
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#include <eth_ar/fprs.h>
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#include <eth_ar/eth_ar.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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#include <sys/select.h>
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static char *netname = "freedv";
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static int cb(uint8_t to[6], uint8_t from[6], uint16_t eth_type, uint8_t *data, size_t len)
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{
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struct fprs_frame *frame = fprs_frame_create();
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if (!frame)
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return -1;
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fprs_frame_data_set(frame, data, len);
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struct fprs_element *el = NULL;
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int i;
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printf("\"elements\": [");
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for (i = 0; (el = fprs_frame_element_get(frame, el)); i++) {
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char *el_str = fprs_element2stra(el);
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printf("%s { %s }", i ? "," : "", el_str);
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free(el_str);
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}
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printf(" ]\n");
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fprs_frame_destroy(frame);
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return 0;
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}
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static void usage(void)
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{
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printf("Options:\n");
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printf("-i [dev]\tNetwork device name (default: \"%s\")\n", netname);
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}
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int main(int argc, char **argv)
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{
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int opt;
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int fd_int;
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bool outgoing = false;
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while ((opt = getopt(argc, argv, "i:t")) != -1) {
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switch(opt) {
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case 'i':
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netname = optarg;
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break;
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case 't':
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outgoing = true;
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break;
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default:
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goto err_usage;
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}
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}
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fd_int = interface_init(netname, NULL, false, ETH_P_FPRS);
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if (fd_int < 0) {
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printf("Could not open interface: %s\n", strerror(errno));
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return -1;
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}
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interface_tx_outgoing(outgoing);
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do {
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fd_set fdr;
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FD_ZERO(&fdr);
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FD_SET(fd_int, &fdr);
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select(fd_int + 1, &fdr, NULL, NULL, NULL);
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if (FD_ISSET(fd_int, &fdr)) {
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interface_tx_raw(cb);
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}
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} while (1);
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return 0;
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err_usage:
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usage();
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return -1;
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}
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