2 * Copyright (C) 2005-2012 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file recv.c the stand-alone audio stream receiver */
10 #include <sys/types.h>
17 #include "recv.cmdline.h"
22 #include "buffer_tree.h"
25 /** The gengetopt args info struct. */
26 static struct recv_args_info conf;
29 /** Always log to stderr. */
30 INIT_STDERR_LOGGING(loglevel);
32 /** init array of error codes used by para_recv */
35 __noreturn static void print_help_and_die(void)
37 int d = conf.detailed_help_given;
38 const char **p = d? recv_args_info_detailed_help
39 : recv_args_info_help;
41 printf_or_die("%s\n\n", RECV_CMDLINE_PARSER_PACKAGE "-"
42 RECV_CMDLINE_PARSER_VERSION);
43 printf_or_die("%s\n\n", recv_args_info_usage);
45 printf_or_die("%s\n", *p);
46 print_receiver_helps(d);
50 static void *parse_config(int argc, char *argv[], int *receiver_num)
52 if (recv_cmdline_parser(argc, argv, &conf))
54 HANDLE_VERSION_FLAG("recv", conf);
55 if (conf.help_given || conf.detailed_help_given)
57 loglevel = get_loglevel_by_name(conf.loglevel_arg);
58 return check_receiver_arg(conf.receiver_arg, receiver_num);
62 * The main function of para_recv.
64 * \param argc number of arguments
65 * \param argv vector of arguments
67 * para_recv uses the specified receiver to receive an audio stream sent by
68 * para_server. The received data is written to stdout.
70 * \return \a EXIT_SUCCESS on success, \a EXIT_FAILURE on errors.
72 int main(int argc, char *argv[])
74 int ret, r_opened = 0, receiver_num;
75 struct receiver *r = NULL;
76 struct receiver_node rn;
77 struct stdout_task sot;
78 static struct sched s;
80 s.default_timeout.tv_sec = 1;
81 s.default_timeout.tv_usec = 0;
83 memset(&sot, 0, sizeof(struct stdout_task));
84 memset(&rn, 0, sizeof(struct receiver_node));
87 rn.conf = parse_config(argc, argv, &receiver_num);
89 PARA_EMERG_LOG("parse failed\n");
92 r = &receivers[receiver_num];
94 rn.btrn = btr_new_node(&(struct btr_node_description)
95 EMBRACE(.name = r->name));
101 sot.btrn = btr_new_node(&(struct btr_node_description)
102 EMBRACE(.parent = rn.btrn, .name = "stdout"));
103 stdout_set_defaults(&sot);
104 register_task(&s, &sot.task);
106 rn.task.pre_select = r->pre_select;
107 rn.task.post_select = r->post_select;
108 sprintf(rn.task.status, "%s", r->name);
109 register_task(&s, &rn.task);
115 btr_free_node(rn.btrn);
116 btr_free_node(sot.btrn);
118 r->free_config(rn.conf);
120 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
121 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;