/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file audioc.c the client program used to connect to para_audiod */
+#include <sys/types.h>
+#include <dirent.h>
+
#include "audioc.cmdline.h"
#include "para.h"
+#include "error.h"
#include "net.h"
#include "string.h"
#include "fd.h"
-struct gengetopt_args_info conf;
-char *tmpfifo;
-enum {E_SYNTAX, E_READ, E_WRITE, E_SOCKET, E_INIT_SOCK_ADDR, E_CONNECT, E_CREDENTIALS, E_SELECT, E_OVERRUN};
+INIT_AUDIOC_ERRLISTS;
+/** the gengetopt structure containing command line args */
+struct audioc_args_info conf;
-void para_log(__a_unused int ll, __a_unused const char* fmt,...) /* no logging */
-{
-}
-
-/* audioc does not use encryption */
-void (*crypt_function_recv)(unsigned long len, const unsigned char *indata, unsigned char *outdata) = NULL;
-void (*crypt_function_send)(unsigned long len, const unsigned char *indata, unsigned char *outdata) = NULL;
+INIT_STDERR_LOGGING(conf.loglevel_arg);
-static char *concat_args(const int argc, char * const *argv)
+static char *concat_args(unsigned argc, char * const *argv)
{
int i; char *buf = NULL;
for (i = 0; i < argc; i++) {
static char *configfile_exists(void)
{
static char *config_file;
- struct stat statbuf;
+ struct stat statbuf;
if (!config_file) {
config_file = make_message("%s/.paraslash/audioc.conf", home);
free(home);
}
- if (!stat(config_file, &statbuf))
+ if (!stat(config_file, &statbuf))
return config_file;
return NULL;
}
+/**
+ * the client program to connect to para_audiod
+ *
+ * \param argc usual argument count
+ * \param argv usual argument vector
+ *
+ * It creates a temporary local socket in order to communicate with para_audiod.
+ * Authentication consists in sending a ucred buffer that contains the user id.
+ *
+ * Any output received through the local socket is sent to stdout.
+ *
+ * \return EXIT_SUCCESS or EXIT_FAILURE
+ *
+ * \sa send_cred_buffer(), para_audioc(1), para_audiod(1).
+ */
int main(int argc, char *argv[])
{
+ int ret = -E_AUDIOC_SYNTAX, fd;
+ char *cf, *buf = NULL, *args;
+ size_t bufsize, loaded = 0;
struct sockaddr_un unix_addr;
- int ret = -E_SYNTAX, fd, loaded = 0;
- char *cf, *socket_name, *randname = para_tmpname(), *tmpsocket_name = NULL,
- *buf = NULL, *hn = para_hostname(), *args, *home = para_homedir();
-
- if (cmdline_parser(argc, argv, &conf))
+ if (audioc_cmdline_parser(argc, argv, &conf))
goto out;
+ HANDLE_VERSION_FLAG("audioc", conf);
cf = configfile_exists();
if (cf) {
- if (cmdline_parser_configfile(cf, &conf, 0, 0, 0)) {
+ struct audioc_cmdline_parser_params params = {
+ .override = 0,
+ .initialize = 0,
+ .check_required = 0,
+ .check_ambiguity = 0
+ };
+ if (audioc_cmdline_parser_config_file(cf, &conf, ¶ms)) {
fprintf(stderr, "parse error in config file\n");
exit(EXIT_FAILURE);
}
args = conf.inputs_num?
concat_args(conf.inputs_num, conf.inputs) :
para_strdup("stat");
- buf = para_malloc(conf.bufsize_arg);
+ bufsize = conf.bufsize_arg;
+ buf = para_malloc(bufsize);
+ ret = get_stream_socket(PF_UNIX);
+ if (ret < 0)
+ goto out;
+ fd = ret;
if (conf.socket_given)
- socket_name = para_strdup(conf.socket_arg);
- else
- socket_name = make_message(
+ ret = init_unix_addr(&unix_addr, conf.socket_arg);
+ else {
+ char *hn = para_hostname(), *socket_name = make_message(
"/var/paraslash/audiod_socket.%s", hn);
- if (conf.tmpdir_given)
- tmpsocket_name = make_message("%s/audioc.sock.%s.%s",
- conf.tmpdir_arg, hn, randname);
- else
- tmpsocket_name = make_message("%s/.paraslash/audioc_sock.%s.%s",
- home, hn, randname);
-
- ret = -E_SOCKET;
- fd = create_pf_socket(tmpsocket_name, &unix_addr, S_IRUSR | S_IWUSR);
- unlink(tmpsocket_name);
- if (fd < 0)
- goto out;
- ret = -E_INIT_SOCK_ADDR;
- if (init_unix_addr(&unix_addr, socket_name) < 0)
+ free(hn);
+ ret = init_unix_addr(&unix_addr, socket_name);
+ free(socket_name);
+ }
+ if (ret < 0)
goto out;
- ret = - E_CONNECT;
- if (connect(fd, (struct sockaddr *)&unix_addr, UNIX_PATH_MAX) < 0)
+ ret = PARA_CONNECT(fd, &unix_addr);
+ if (ret < 0)
goto out;
- ret = -E_CREDENTIALS;
- if (send_cred_buffer(fd, args) < 0)
+ ret = send_cred_buffer(fd, args);
+ if (ret < 0)
goto out;
for (;;) {
int max_fileno = -1, check_write = 0;
fd_set rfd, wfd;
FD_ZERO(&rfd);
FD_ZERO(&wfd);
- if (loaded && loaded > 10000)
- fprintf(stderr, "loaded: %d\n", loaded);
- if (loaded < conf.bufsize_arg) {
- FD_SET(fd, &rfd);
- max_fileno = PARA_MAX(max_fileno, fd);
- }
+ if (loaded < bufsize)
+ para_fd_set(fd, &rfd, &max_fileno);
if (loaded > 0) {
- FD_SET(STDOUT_FILENO, &wfd);
- max_fileno = PARA_MAX(max_fileno, STDOUT_FILENO);
+ para_fd_set(STDOUT_FILENO, &wfd, &max_fileno);
check_write = 1;
}
- ret = -E_OVERRUN;
+ ret = -E_AUDIOC_OVERRUN;
if (max_fileno < 0)
goto out;
ret = para_select(max_fileno + 1, &rfd, &wfd, NULL);
- if (ret < 0) {
- ret = -E_SELECT;
+ if (ret < 0)
goto out;
- }
- if (loaded < conf.bufsize_arg && FD_ISSET(fd, &rfd)) {
- len = recv_bin_buffer(fd, buf + loaded,
- conf.bufsize_arg - loaded);
+ if (loaded < bufsize && FD_ISSET(fd, &rfd)) {
+ len = recv_bin_buffer(fd, buf + loaded,
+ bufsize - loaded);
if (len <= 0) {
- ret = len < 0? -E_READ : 0;
+ ret = len < 0? -E_AUDIOC_READ : 0;
goto out;
}
loaded += len;
if (check_write && FD_ISSET(STDOUT_FILENO, &wfd)) {
ret = write(STDOUT_FILENO, buf, loaded);
if (ret < 0) {
- ret = -E_WRITE;
+ ret = -E_AUDIOC_WRITE;
goto out;
}
loaded -= ret;
out:
if (!ret && loaded && buf)
ret = write(STDOUT_FILENO, buf, loaded);
- return ret < 0? -ret : EXIT_SUCCESS;
+ if (ret < 0)
+ PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
+ return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;
}
projects / paraslash.git / blobdiff