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
)
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
;
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
) :
97 if (conf
.socket_given
)
98 ret
= connect_local_socket(conf
.socket_arg
);
100 char *hn
= para_hostname(), *socket_name
= make_message(
101 "/var/paraslash/audiod_socket.%s", hn
);
102 ret
= connect_local_socket(socket_name
);
107 PARA_EMERG_LOG("failed to connect to local socket\n");
111 ret
= send_cred_buffer(fd
, args
);
114 bufsize
= conf
.bufsize_arg
;
115 buf
= para_malloc(bufsize
);
117 size_t n
= ret
= recv_bin_buffer(fd
, buf
, bufsize
);
120 ret
= write_all(STDOUT_FILENO
, buf
, &n
);
124 PARA_ERROR_LOG("%s\n", para_strerror(-ret
));
125 return ret
< 0? EXIT_FAILURE
: EXIT_SUCCESS
;