/*
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* BlueALSA - rfcomm.c
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* Copyright (c) 2016-2018 Arkadiusz Bokowy
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*
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* This file is a part of bluez-alsa.
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*
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* This project is licensed under the terms of the MIT license.
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*
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*/
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#if HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <ctype.h>
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#include <errno.h>
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#include <getopt.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <readline/readline.h>
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#include <readline/history.h>
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#include "shared/ctl-client.h"
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#include "shared/log.h"
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static char *strtrim(char *str) {
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while (isspace(*str))
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str++;
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if (*str == '\0')
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return str;
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char *end = &str[strlen(str) - 1];
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while (end > str && isspace(*end))
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end--;
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end[1] = '\0';
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return str;
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}
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static char *build_rfcomm_command(const char *cmd) {
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static char command[512];
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bool at;
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command[0] = '\0';
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if (!(at = strncmp(cmd, "AT", 2) == 0))
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strcpy(command, "\r\n");
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strcat(command, cmd);
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strcat(command, "\r");
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if (!at)
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strcat(command, "\n");
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return command;
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}
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int main(int argc, char *argv[]) {
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int opt;
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const char *opts = "hVi:";
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const struct option longopts[] = {
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{ "help", no_argument, NULL, 'h' },
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{ "version", no_argument, NULL, 'V' },
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{ "hci", required_argument, NULL, 'i' },
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{ 0, 0, 0, 0 },
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};
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const char *ba_interface = "hci0";
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int status = EXIT_SUCCESS;
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int ba_fd = -1;
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bdaddr_t ba_addr;
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log_open(argv[0], false, false);
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while ((opt = getopt_long(argc, argv, opts, longopts, NULL)) != -1)
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switch (opt) {
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case 'h' /* --help */ :
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usage:
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printf("Usage:\n"
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" %s [OPTION]... <BT-ADDR>\n"
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"\nOptions:\n"
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" -h, --help\t\tprint this help and exit\n"
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" -V, --version\t\tprint version and exit\n"
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" -i, --hci=hciX\tHCI device to use\n",
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argv[0]);
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return EXIT_SUCCESS;
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case 'V' /* --version */ :
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printf("%s\n", PACKAGE_VERSION);
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return EXIT_SUCCESS;
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case 'i' /* --hci */ :
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ba_interface = optarg;
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break;
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default:
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fprintf(stderr, "Try '%s --help' for more information.\n", argv[0]);
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return EXIT_FAILURE;
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}
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if (optind + 1 != argc)
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goto usage;
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if (str2ba(argv[optind], &ba_addr) != 0) {
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error("Invalid BT device address: %s", argv[optind]);
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goto fail;
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}
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if ((ba_fd = bluealsa_open(ba_interface)) == -1) {
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error("BlueALSA connection failed: %s", strerror(errno));
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goto fail;
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}
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if (isatty(fileno(stdin))) {
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char prompt[17 + 3];
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char *line;
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rl_bind_key('\t', rl_insert);
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sprintf(prompt, "%s> ", argv[optind]);
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while ((line = readline(prompt)) != NULL) {
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char *tmp = strtrim(line);
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if (strlen(tmp) > 0) {
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if (bluealsa_send_rfcomm_command(ba_fd, ba_addr, build_rfcomm_command(tmp)) == -1)
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warn("Couldn't send RFCOMM command: %s", strerror(errno));
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add_history(tmp);
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}
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free(line);
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}
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fprintf(stdout, "\n");
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}
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else {
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char line[256];
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int duration;
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while (fgets(line, sizeof(line), stdin) != NULL) {
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char *tmp = strtrim(line);
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if (strlen(tmp) > 0) {
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if (sscanf(tmp, "%*[Ss]%*[Ll]%*2[Ee]%*[Pp] %d", &duration) == 1) {
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sleep(duration);
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continue;
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}
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if (bluealsa_send_rfcomm_command(ba_fd, ba_addr, build_rfcomm_command(tmp)) == -1)
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warn("Couldn't send RFCOMM command: %s", strerror(errno));
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}
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}
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}
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goto success;
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fail:
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status = EXIT_FAILURE;
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success:
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if (ba_fd != -1)
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close(ba_fd);
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return status;
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}
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