-/*
- * Copyright (C) 2005-2006 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.
- */
-#include "para.h"
+/* Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
+/** \file recv.c the stand-alone audio stream receiver */
+
+#include <regex.h>
+#include <sys/types.h>
+#include <lopsub.h>
+
+#include "recv_cmd.lsg.h"
+#include "recv.lsg.h"
+#include "para.h"
#include "list.h"
#include "sched.h"
+#include "buffer_tree.h"
#include "recv.h"
-#include "recv.cmdline.h"
#include "fd.h"
+#include "string.h"
#include "error.h"
#include "stdout.h"
+#include "version.h"
-struct recv_args_info conf;
-
-INIT_RECV_ERRLISTS;
+/** Array of error strings. */
+DEFINE_PARA_ERRLIST;
-__printf_2_3 void para_log(int ll, const char* fmt,...)
-{
- va_list argp;
+#define CMD_PTR (lls_cmd(0, recv_suite))
+#define OPT_RESULT(_name, _lpr) \
+ (lls_opt_result(LSG_RECV_PARA_RECV_OPT_ ## _name, lpr))
+#define OPT_GIVEN(_name, _lpr) (lls_opt_given(OPT_RESULT(_name, _lpr)))
+#define OPT_UINT32_VAL(_name, _lpr) (lls_uint32_val(0, OPT_RESULT(_name, _lpr)))
+#define OPT_STRING_VAL(_name, _lpr) (lls_string_val(0, OPT_RESULT(_name, _lpr)))
- /* 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);
-}
+static int loglevel;
+/** Always log to stderr. */
+INIT_STDERR_LOGGING(loglevel);
-static void *parse_config(int argc, char *argv[], int *receiver_num)
+static void handle_help_flag(struct lls_parse_result *lpr)
{
- int i;
+ char *help;
- 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\n\tpara_recv -r '<receivername> -h'\n"
- "for help on <receivername>.\n");
- exit(EXIT_SUCCESS);
- }
- return check_receiver_arg(conf.receiver_arg, receiver_num);
-}
-
-void rn_event_handler(struct task *t)
-{
- PARA_NOTICE_LOG("%s\n", PARA_STRERROR(-t->ret));
- unregister_task(t);
+ if (OPT_GIVEN(DETAILED_HELP, lpr))
+ help = lls_long_help(CMD_PTR);
+ else if (OPT_GIVEN(HELP, lpr))
+ help = lls_short_help(CMD_PTR);
+ else
+ return;
+ printf("%s\n", help);
+ free(help);
+ print_receiver_helps(OPT_GIVEN(DETAILED_HELP, lpr));
+ exit(EXIT_SUCCESS);
}
+/**
+ * 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, r_opened = 0, receiver_num;
- struct receiver *r = NULL;
+ int ret;
+ const struct receiver *r = NULL;
struct receiver_node rn;
- struct stdout_task sot;
- struct sched s;
+ struct stdout_task sot = {.btrn = NULL};
+ static struct sched s;
+ struct task_info ti;
+ const struct lls_command *cmd;
+ struct lls_parse_result *lpr; /* command line */
+ struct lls_parse_result *receiver_lpr; /* receiver specific options */
+ char *errctx;
- s.default_timeout.tv_sec = 1;
- s.default_timeout.tv_usec = 0;
-
- memset(&rn, 0, sizeof(struct receiver_node));
- for (ret = 0; receivers[ret].name; ret++)
- receivers[ret].init(&receivers[ret]);
- ret = -E_RECV_SYNTAX;
- rn.conf = parse_config(argc, argv, &receiver_num);
- if (!rn.conf) {
- PARA_EMERG_LOG("%s", "parse failed\n");
+ ret = lls(lls_parse(argc, argv, CMD_PTR, &lpr, &errctx));
+ if (ret < 0)
goto out;
- }
- r = &receivers[receiver_num];
+ loglevel = OPT_UINT32_VAL(LOGLEVEL, lpr);
+ version_handle_flag("recv", OPT_GIVEN(VERSION, lpr));
+ handle_help_flag(lpr);
+ recv_init();
+ memset(&rn, 0, sizeof(struct receiver_node));
+ ret = check_receiver_arg(OPT_STRING_VAL(RECEIVER, lpr), &receiver_lpr);
+ if (ret < 0)
+ goto free_lpr;
+ cmd = lls_cmd(ret, recv_cmd_suite);
+ r = lls_user_data(cmd);
rn.receiver = r;
+ rn.lpr = receiver_lpr;
+ rn.btrn = btr_new_node(&(struct btr_node_description)
+ EMBRACE(.name = lls_command_name(cmd)));
ret = r->open(&rn);
if (ret < 0)
- goto out;
- r_opened = 1;
-
- stdout_set_defaults(&sot);
- sot.buf = rn.buf;
- sot.loaded = &rn.loaded;
- sot.input_eof = &rn.eof;
- register_task(&sot.task);
-
- rn.task.private_data = &rn;
- rn.task.pre_select = r->pre_select;
- rn.task.post_select = r->post_select;
- rn.task.event_handler = rn_event_handler;
- sprintf(rn.task.status, "receiver node");
- register_task(&rn.task);
+ goto remove_btrn;
+ sot.btrn = btr_new_node(&(struct btr_node_description)
+ EMBRACE(.parent = rn.btrn, .name = "stdout"));
+ stdout_task_register(&sot, &s);
+ ti.name = lls_command_name(cmd);
+ ti.pre_select = r->pre_select;
+ ti.post_select = r->post_select;
+ ti.context = &rn;
+ rn.task = task_register(&ti, &s);
- ret = sched(&s);
+ s.default_timeout.tv_sec = 1;
+ s.default_timeout.tv_usec = 0;
+ ret = schedule(&s);
+ sched_shutdown(&s);
+ r->close(&rn);
+ btr_remove_node(&sot.btrn);
+remove_btrn:
+ btr_remove_node(&rn.btrn);
+ lls_free_parse_result(receiver_lpr, cmd);
+free_lpr:
+ lls_free_parse_result(lpr, CMD_PTR);
out:
- if (r_opened)
- r->close(&rn);
- if (r)
- r->shutdown();
- if (ret < 0)
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
- return ret;
+ if (ret < 0) {
+ if (errctx)
+ PARA_ERROR_LOG("%s\n", errctx);
+ free(errctx);
+ PARA_ERROR_LOG("%s\n", para_strerror(-ret));
+ }
+ return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;
}
projects / paraslash.git / blobdiff