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 */
12 #include "audioc.cmdline.h"
21 /** the gengetopt structure containing command line args */
22 struct audioc_args_info conf
;
25 INIT_STDERR_LOGGING(loglevel
);
27 static char *concat_args(unsigned argc
, char * const *argv
)
29 int i
; char *buf
= NULL
;
30 for (i
= 0; i
< argc
; i
++) {
31 buf
= para_strcat(buf
, argv
[i
]);
33 buf
= para_strcat(buf
, "\n");
38 static char *configfile_exists(void)
40 static char *config_file
;
45 char *home
= para_homedir();
46 config_file
= make_message("%s/.paraslash/audioc.conf", home
);
49 if (!stat(config_file
, &statbuf
))
55 * the client program to connect to para_audiod
57 * \param argc usual argument count
58 * \param argv usual argument vector
60 * It creates a temporary local socket in order to communicate with para_audiod.
61 * Authentication consists in sending a ucred buffer that contains the user id.
63 * Any output received through the local socket is sent to stdout.
65 * \return EXIT_SUCCESS or EXIT_FAILURE
67 * \sa send_cred_buffer(), para_audioc(1), para_audiod(1).
69 int main(int argc
, char *argv
[])
71 int ret
= -E_AUDIOC_SYNTAX
, fd
;
72 char *cf
, *buf
= NULL
, *args
;
73 size_t bufsize
, loaded
= 0;
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 loglevel
= get_loglevel_by_name(conf
.loglevel_arg
);
92 args
= conf
.inputs_num
?
93 concat_args(conf
.inputs_num
, conf
.inputs
) :
95 bufsize
= conf
.bufsize_arg
;
96 buf
= para_malloc(bufsize
);
98 if (conf
.socket_given
) {
99 ret
= create_remote_socket(conf
.socket_arg
);
101 char *hn
= para_hostname(),
102 *socket_name
= make_message("/var/paraslash/audiod_socket.%s", hn
);
104 ret
= create_remote_socket(socket_name
);
111 ret
= mark_fd_nonblocking(fd
);
114 ret
= mark_fd_nonblocking(STDOUT_FILENO
);
117 ret
= send_cred_buffer(fd
, args
);
121 int max_fileno
= -1, check_write
= 0;
126 if (loaded
< bufsize
)
127 para_fd_set(fd
, &rfd
, &max_fileno
);
129 para_fd_set(STDOUT_FILENO
, &wfd
, &max_fileno
);
132 ret
= -E_AUDIOC_OVERRUN
;
135 ret
= para_select(max_fileno
+ 1, &rfd
, &wfd
, NULL
);
138 if (loaded
< bufsize
&& FD_ISSET(fd
, &rfd
)) {
139 len
= recv_bin_buffer(fd
, buf
+ loaded
,
142 ret
= len
< 0? -E_AUDIOC_READ
: 0;
147 if (check_write
&& FD_ISSET(STDOUT_FILENO
, &wfd
)) {
148 ret
= write(STDOUT_FILENO
, buf
, loaded
);
150 ret
= -E_AUDIOC_WRITE
;
155 memmove(buf
, buf
+ ret
, loaded
);
159 if (!ret
&& loaded
&& buf
)
160 ret
= write(STDOUT_FILENO
, buf
, loaded
);
162 PARA_ERROR_LOG("%s\n", para_strerror(-ret
));
163 return ret
< 0? EXIT_FAILURE
: EXIT_SUCCESS
;