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 struct sockaddr_un unix_addr
;
71 int ret
= -E_AUDIOC_SYNTAX
, fd
;
72 char *cf
, *socket_name
, *randname
= para_tmpname(), *tmpsocket_name
= NULL
,
73 *buf
= NULL
, *hn
= para_hostname(), *args
, *home
= para_homedir();
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 args
= conf
.inputs_num
?
93 concat_args(conf
.inputs_num
, conf
.inputs
) :
95 bufsize
= conf
.bufsize_arg
;
96 buf
= para_malloc(bufsize
);
97 if (conf
.socket_given
)
98 socket_name
= para_strdup(conf
.socket_arg
);
100 socket_name
= make_message(
101 "/var/paraslash/audiod_socket.%s", hn
);
102 if (conf
.tmpdir_given
)
103 tmpsocket_name
= make_message("%s/audioc.sock.%s.%s",
104 conf
.tmpdir_arg
, hn
, randname
);
106 tmpsocket_name
= make_message("%s/.paraslash/audioc_sock.%s.%s",
109 ret
= create_local_socket(tmpsocket_name
, &unix_addr
, S_IRUSR
| S_IWUSR
);
110 unlink(tmpsocket_name
);
111 free(tmpsocket_name
);
115 ret
= -E_INIT_SOCK_ADDR
;
116 if (init_unix_addr(&unix_addr
, socket_name
) < 0)
118 ret
= PARA_CONNECT(fd
, &unix_addr
);
121 ret
= send_cred_buffer(fd
, args
);
125 int max_fileno
= -1, check_write
= 0;
130 if (loaded
< bufsize
)
131 para_fd_set(fd
, &rfd
, &max_fileno
);
133 para_fd_set(STDOUT_FILENO
, &wfd
, &max_fileno
);
136 ret
= -E_AUDIOC_OVERRUN
;
139 ret
= para_select(max_fileno
+ 1, &rfd
, &wfd
, NULL
);
142 if (loaded
< bufsize
&& FD_ISSET(fd
, &rfd
)) {
143 len
= recv_bin_buffer(fd
, buf
+ loaded
,
146 ret
= len
< 0? -E_AUDIOC_READ
: 0;
151 if (check_write
&& FD_ISSET(STDOUT_FILENO
, &wfd
)) {
152 ret
= write(STDOUT_FILENO
, buf
, loaded
);
154 ret
= -E_AUDIOC_WRITE
;
161 if (!ret
&& loaded
&& buf
)
162 ret
= write(STDOUT_FILENO
, buf
, loaded
);
164 PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret
));
165 return ret
< 0? EXIT_FAILURE
: EXIT_SUCCESS
;