2 * Copyright (C) 2005-2009 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>
13 #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)
30 int i; char *buf = NULL;
31 for (i = 0; i < argc; i++) {
32 buf = para_strcat(buf, argv[i]);
34 buf = para_strcat(buf, "\n");
39 static char *configfile_exists(void)
41 static char *config_file;
46 char *home = para_homedir();
47 config_file = make_message("%s/.paraslash/audioc.conf", home);
50 if (!stat(config_file, &statbuf))
56 * the client program to connect to para_audiod
58 * \param argc usual argument count
59 * \param argv usual argument vector
61 * It creates a temporary local socket in order to communicate with para_audiod.
62 * Authentication consists in sending a ucred buffer that contains the user id.
64 * Any output received through the local socket is sent to stdout.
66 * \return EXIT_SUCCESS or EXIT_FAILURE
68 * \sa send_cred_buffer(), para_audioc(1), para_audiod(1).
70 int main(int argc, char *argv[])
72 int ret = -E_AUDIOC_SYNTAX, fd;
73 char *cf, *buf = NULL, *args;
74 size_t bufsize, loaded = 0;
76 if (audioc_cmdline_parser(argc, argv, &conf))
78 HANDLE_VERSION_FLAG("audioc", conf);
79 cf = configfile_exists();
81 struct audioc_cmdline_parser_params params = {
87 if (audioc_cmdline_parser_config_file(cf, &conf, ¶ms)) {
88 fprintf(stderr, "parse error in config file\n");
92 loglevel = get_loglevel_by_name(conf.loglevel_arg);
93 args = conf.inputs_num?
94 concat_args(conf.inputs_num, conf.inputs) :
96 bufsize = conf.bufsize_arg;
97 buf = para_malloc(bufsize);
99 if (conf.socket_given) {
100 ret = create_remote_socket(conf.socket_arg);
102 char *hn = para_hostname(),
103 *socket_name = make_message("/var/paraslash/audiod_socket.%s", hn);
105 ret = create_remote_socket(socket_name);
112 ret = mark_fd_nonblocking(fd);
115 ret = mark_fd_nonblocking(STDOUT_FILENO);
118 ret = send_cred_buffer(fd, args);
122 int max_fileno = -1, check_write = 0;
127 if (loaded < bufsize)
128 para_fd_set(fd, &rfd, &max_fileno);
130 para_fd_set(STDOUT_FILENO, &wfd, &max_fileno);
133 ret = -E_AUDIOC_OVERRUN;
136 ret = para_select(max_fileno + 1, &rfd, &wfd, NULL);
139 if (loaded < bufsize && FD_ISSET(fd, &rfd)) {
140 len = recv_bin_buffer(fd, buf + loaded,
143 ret = len < 0? -E_AUDIOC_READ : 0;
148 if (check_write && FD_ISSET(STDOUT_FILENO, &wfd)) {
149 ret = write(STDOUT_FILENO, buf, loaded);
151 ret = -E_AUDIOC_WRITE;
156 memmove(buf, buf + ret, loaded);
160 if (!ret && loaded && buf)
161 ret = write(STDOUT_FILENO, buf, loaded);
163 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
164 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;