/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2012 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.
*/
-#include "gcc-compat.h"
-#include "para.h"
+/** \file recv.c the stand-alone audio stream receiver */
+
+#include <regex.h>
+#include <sys/types.h>
+
+#include "para.h"
+#include "list.h"
+#include "sched.h"
+#include "ggo.h"
#include "recv.h"
#include "recv.cmdline.h"
+#include "fd.h"
+#include "string.h"
#include "error.h"
+#include "stdout.h"
+#include "buffer_tree.h"
+#include "version.h"
-struct gengetopt_args_info conf;
+/** The gengetopt args info struct. */
+static struct recv_args_info conf;
+static int loglevel;
+/** Always log to stderr. */
+INIT_STDERR_LOGGING(loglevel);
+
+/** init array of error codes used by para_recv */
INIT_RECV_ERRLISTS;
-__printf_2_3 void para_log(int ll, char* fmt,...)
+__noreturn static void print_help_and_die(void)
{
- va_list argp;
+ int d = conf.detailed_help_given;
+ const char **p = d? recv_args_info_detailed_help
+ : recv_args_info_help;
- /* ignore log message if loglevel is not high enough */
- if (ll < conf.loglevel_arg)
- return;
- va_start(argp, fmt);
- vfprintf(stderr, fmt, argp);
- va_end(argp);
+ printf_or_die("%s\n\n", RECV_CMDLINE_PARSER_PACKAGE "-"
+ RECV_CMDLINE_PARSER_VERSION);
+ printf_or_die("%s\n\n", recv_args_info_usage);
+ for (; *p; p++)
+ printf_or_die("%s\n", *p);
+ print_receiver_helps(d);
+ exit(0);
}
static void *parse_config(int argc, char *argv[], int *receiver_num)
{
- int i;
-
- if (cmdline_parser(argc, argv, &conf))
+ if (recv_cmdline_parser(argc, argv, &conf))
return NULL;
- if (conf.list_receivers_given) {
- printf("available receivers: ");
- for (i = 0; receivers[i].name; i++)
- printf("%s%s", i? " " : "", receivers[i].name);
- printf("\nTry para_recv -r<receivername>:-h for help on <receivername>\n");
- exit(EXIT_SUCCESS);
- }
+ HANDLE_VERSION_FLAG("recv", conf);
+ if (conf.help_given || conf.detailed_help_given)
+ print_help_and_die();
+ loglevel = get_loglevel_by_name(conf.loglevel_arg);
return check_receiver_arg(conf.receiver_arg, receiver_num);
}
+/**
+ * The main function of para_recv.
+ *
+ * \param argc number of arguments
+ * \param argv vector of arguments
+ *
+ * para_recv uses the specified receiver to receive an audio stream sent by
+ * para_server. The received data is written to stdout.
+ *
+ * \return \a EXIT_SUCCESS on success, \a EXIT_FAILURE on errors.
+ */
int main(int argc, char *argv[])
{
- int ret, eof = 0, max, r_opened = 0, receiver_num;
- struct timeval timeout;
- struct receiver *r = NULL;
- fd_set rfds, wfds;
+ int ret, r_opened = 0, receiver_num;
+ struct receiver *r = NULL;
struct receiver_node rn;
+ struct stdout_task sot;
+ static struct sched s;
+
+ s.default_timeout.tv_sec = 1;
+ s.default_timeout.tv_usec = 0;
+ memset(&sot, 0, sizeof(struct stdout_task));
memset(&rn, 0, sizeof(struct receiver_node));
- for (ret = 0; receivers[ret].name; ret++)
- receivers[ret].init(&receivers[ret]);
+ recv_init();
ret = -E_RECV_SYNTAX;
rn.conf = parse_config(argc, argv, &receiver_num);
if (!rn.conf) {
- PARA_EMERG_LOG("%s", "parse failed\n");
+ PARA_EMERG_LOG("parse failed\n");
goto out;
}
r = &receivers[receiver_num];
rn.receiver = r;
+ rn.btrn = btr_new_node(&(struct btr_node_description)
+ EMBRACE(.name = r->name));
ret = r->open(&rn);
if (ret < 0)
goto out;
r_opened = 1;
-recv:
- FD_ZERO(&rfds);
- FD_ZERO(&wfds);
- timeout.tv_sec = 0;
- timeout.tv_usec = 1000 * 1000;
- max = -1;
- ret = r->pre_select(&rn, &rfds, &wfds, &timeout);
- max = MAX(max, ret);
- PARA_DEBUG_LOG("timeout: %lums\n", tv2ms(&timeout));
- ret = select(max + 1, &rfds, &wfds, NULL, &timeout);
- if (ret < 0) {
- if (errno == EINTR || errno == EAGAIN)
- goto recv;
- ret = -E_RECV_SELECT;
- goto out;
- }
- ret = r->post_select(&rn, ret, &rfds, &wfds);
- if (ret < 0)
- goto out;
- if (!ret)
- eof = 1;
- if (!rn.loaded) {
- if (eof)
- goto out;
- goto recv;
- }
- ret = write(STDOUT_FILENO, rn.buf, rn.loaded);
- PARA_DEBUG_LOG("wrote %d/%d\n", ret, rn.loaded);
- if (ret < 0) {
- ret = -E_WRITE_STDOUT;
- goto out;
- }
- if (ret != rn.loaded) {
- PARA_INFO_LOG("short write %d/%d\n", ret, rn.loaded);
- memmove(rn.buf, rn.buf + ret, rn.loaded - ret);
- }
- rn.loaded -= ret;
- if (rn.loaded || !eof)
- goto recv;
+ sot.btrn = btr_new_node(&(struct btr_node_description)
+ EMBRACE(.parent = rn.btrn, .name = "stdout"));
+ stdout_set_defaults(&sot);
+ register_task(&s, &sot.task);
+
+ rn.task.pre_select = r->pre_select;
+ rn.task.post_select = r->post_select;
+ sprintf(rn.task.status, "%s", r->name);
+ register_task(&s, &rn.task);
+
+ ret = schedule(&s);
out:
if (r_opened)
r->close(&rn);
- if (r)
- r->shutdown();
+ btr_free_node(rn.btrn);
+ btr_free_node(sot.btrn);
+ if (rn.conf)
+ r->free_config(rn.conf);
if (ret < 0)
- PARA_NOTICE_LOG("%d: (%s)\n", ret, PARA_STRERROR(-ret));
- return ret;
+ PARA_ERROR_LOG("%s\n", para_strerror(-ret));
+ return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;
}
projects / paraslash.git / blobdiff