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;
73 struct sockaddr_un unix_addr;
75 if (audioc_cmdline_parser(argc, argv, &conf))
77 HANDLE_VERSION_FLAG("audioc", conf);
78 cf = configfile_exists();
80 struct audioc_cmdline_parser_params params = {
86 if (audioc_cmdline_parser_config_file(cf, &conf, ¶ms)) {
87 fprintf(stderr, "parse error in config file\n");
91 args = conf.inputs_num?
92 concat_args(conf.inputs_num, conf.inputs) :
94 bufsize = conf.bufsize_arg;
95 buf = para_malloc(bufsize);
96 ret = get_stream_socket(PF_UNIX);
100 if (conf.socket_given)
101 ret = init_unix_addr(&unix_addr, conf.socket_arg);
103 char *hn = para_hostname(), *socket_name = make_message(
104 "/var/paraslash/audiod_socket.%s", hn);
106 ret = init_unix_addr(&unix_addr, socket_name);
111 ret = PARA_CONNECT(fd, &unix_addr);
114 ret = send_cred_buffer(fd, args);
118 int max_fileno = -1, check_write = 0;
123 if (loaded < bufsize)
124 para_fd_set(fd, &rfd, &max_fileno);
126 para_fd_set(STDOUT_FILENO, &wfd, &max_fileno);
129 ret = -E_AUDIOC_OVERRUN;
132 ret = para_select(max_fileno + 1, &rfd, &wfd, NULL);
135 if (loaded < bufsize && FD_ISSET(fd, &rfd)) {
136 len = recv_bin_buffer(fd, buf + loaded,
139 ret = len < 0? -E_AUDIOC_READ : 0;
144 if (check_write && FD_ISSET(STDOUT_FILENO, &wfd)) {
145 ret = write(STDOUT_FILENO, buf, loaded);
147 ret = -E_AUDIOC_WRITE;
154 if (!ret && loaded && buf)
155 ret = write(STDOUT_FILENO, buf, loaded);
157 PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
158 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;