2 * Copyright (C) 2005-2007 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 */
12 #include "audioc.cmdline.h"
21 /** the gengetopt structure containing command line args */
22 struct audioc_args_info conf;
24 INIT_STDERR_LOGGING(conf.loglevel_arg);
26 static char *concat_args(unsigned argc, char * const *argv)
28 int i; char *buf = NULL;
29 for (i = 0; i < argc; i++) {
30 buf = para_strcat(buf, argv[i]);
32 buf = para_strcat(buf, "\n");
37 static char *configfile_exists(void)
39 static char *config_file;
44 char *home = para_homedir();
45 config_file = make_message("%s/.paraslash/audioc.conf", home);
48 if (!stat(config_file, &statbuf))
54 * the client program to connect to para_audiod
56 * \param argc usual argument count
57 * \param argv usual argument vector
59 * It creates a temporary local socket in order to communicate with para_audiod.
60 * Authentication consists in sending a ucred buffer that contains the user id.
62 * Any output received through the local socket is sent to stdout.
64 * \return EXIT_SUCCESS or EXIT_FAILURE
66 * \sa send_cred_buffer(), para_audioc(1), para_audiod(1).
68 int main(int argc, char *argv[])
70 int ret = -E_AUDIOC_SYNTAX, fd;
71 char *cf, *buf = NULL, *args;
72 size_t bufsize, loaded = 0;
74 if (audioc_cmdline_parser(argc, argv, &conf))
76 HANDLE_VERSION_FLAG("audioc", conf);
77 cf = configfile_exists();
79 struct audioc_cmdline_parser_params params = {
85 if (audioc_cmdline_parser_config_file(cf, &conf, ¶ms)) {
86 fprintf(stderr, "parse error in config file\n");
90 args = conf.inputs_num?
91 concat_args(conf.inputs_num, conf.inputs) :
93 bufsize = conf.bufsize_arg;
94 buf = para_malloc(bufsize);
96 if (conf.socket_given) {
97 ret = create_remote_socket(conf.socket_arg);
99 char *hn = para_hostname(),
100 *socket_name = make_message("/var/paraslash/audiod_socket.%s", hn);
102 ret = create_remote_socket(socket_name);
110 ret = send_cred_buffer(fd, args);
114 int max_fileno = -1, check_write = 0;
119 if (loaded < bufsize)
120 para_fd_set(fd, &rfd, &max_fileno);
122 para_fd_set(STDOUT_FILENO, &wfd, &max_fileno);
125 ret = -E_AUDIOC_OVERRUN;
128 ret = para_select(max_fileno + 1, &rfd, &wfd, NULL);
131 if (loaded < bufsize && FD_ISSET(fd, &rfd)) {
132 len = recv_bin_buffer(fd, buf + loaded,
135 ret = len < 0? -E_AUDIOC_READ : 0;
140 if (check_write && FD_ISSET(STDOUT_FILENO, &wfd)) {
141 ret = write(STDOUT_FILENO, buf, loaded);
143 ret = -E_AUDIOC_WRITE;
150 if (!ret && loaded && buf)
151 ret = write(STDOUT_FILENO, buf, loaded);
153 PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
154 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;