2 * Copyright (C) 2005-2011 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file audioc.c The client program used to connect to para_audiod. */
10 #include <sys/types.h>
12 #include "audioc.cmdline.h"
22 /** The gengetopt structure containing command line args. */
23 static struct audioc_args_info conf;
26 INIT_STDERR_LOGGING(loglevel);
28 static char *concat_args(unsigned argc, char * const *argv)
33 for (i = 0; i < argc; i++) {
34 buf = para_strcat(buf, argv[i]);
36 buf = para_strcat(buf, "\n");
41 static char *configfile_exists(void)
43 static char *config_file;
47 char *home = para_homedir();
48 config_file = make_message("%s/.paraslash/audioc.conf", home);
51 if (!stat(config_file, &statbuf))
57 * The client program to connect to para_audiod.
59 * \param argc Usual argument count.
60 * \param argv Usual argument vector.
62 * It creates a temporary local socket in order to communicate with para_audiod.
63 * Authentication consists in sending a ucred buffer that contains the user id.
65 * Any output received through the local socket is sent to stdout.
67 * \return EXIT_SUCCESS or EXIT_FAILURE.
69 * \sa send_cred_buffer(), para_audioc(1), para_audiod(1).
71 int main(int argc, char *argv[])
73 int ret = -E_AUDIOC_SYNTAX, fd;
74 char *cf, *buf = NULL, *args;
77 if (audioc_cmdline_parser(argc, argv, &conf))
79 HANDLE_VERSION_FLAG("audioc", conf);
80 cf = configfile_exists();
82 struct audioc_cmdline_parser_params params = {
88 if (audioc_cmdline_parser_config_file(cf, &conf, ¶ms)) {
89 fprintf(stderr, "parse error in config file\n");
93 loglevel = get_loglevel_by_name(conf.loglevel_arg);
94 args = conf.inputs_num?
95 concat_args(conf.inputs_num, conf.inputs) :
98 if (conf.socket_given)
99 ret = connect_local_socket(conf.socket_arg);
101 char *hn = para_hostname(), *socket_name = make_message(
102 "/var/paraslash/audiod_socket.%s", hn);
103 ret = connect_local_socket(socket_name);
108 PARA_EMERG_LOG("failed to connect to local socket\n");
112 ret = send_cred_buffer(fd, args);
115 bufsize = conf.bufsize_arg;
116 buf = para_malloc(bufsize);
118 size_t n = ret = recv_bin_buffer(fd, buf, bufsize);
121 ret = write_all(STDOUT_FILENO, buf, &n);
125 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
126 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;