2 * Copyright (C) 2005-2009 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>
19 #include "recv.cmdline.h"
24 #include "buffer_tree.h"
26 /** The gengetopt args info struct. */
27 static struct recv_args_info conf;
30 /** Always log to stderr. */
31 INIT_STDERR_LOGGING(loglevel);
33 /** init array of error codes used by para_recv */
36 __noreturn static void print_help_and_die(void)
38 int d = conf.detailed_help_given;
39 const char **p = d? recv_args_info_detailed_help
40 : recv_args_info_help;
42 printf_or_die("%s\n\n", RECV_CMDLINE_PARSER_PACKAGE "-"
43 RECV_CMDLINE_PARSER_VERSION);
44 printf_or_die("%s\n\n", recv_args_info_usage);
46 printf_or_die("%s\n", *p);
47 print_receiver_helps(d);
51 static void *parse_config(int argc, char *argv[], int *receiver_num)
53 if (recv_cmdline_parser(argc, argv, &conf))
55 HANDLE_VERSION_FLAG("recv", conf);
56 if (conf.help_given || conf.detailed_help_given)
58 loglevel = get_loglevel_by_name(conf.loglevel_arg);
59 return check_receiver_arg(conf.receiver_arg, receiver_num);
63 * the main function of para_recv
65 * \param argc number of arguments
66 * \param argv vector of arguments
68 * para_recv uses the specified receiver to receive an audio stream sent by
69 * para_server. The received data is written to stdout.
71 * \return \a EXIT_SUCCESS on success, \a EXIT_FAILURE on errors.
73 int main(int argc, char *argv[])
75 int ret, r_opened = 0, receiver_num;
76 struct receiver *r = NULL;
77 struct receiver_node rn;
78 struct stdout_task sot;
79 static struct sched s;
81 s.default_timeout.tv_sec = 1;
82 s.default_timeout.tv_usec = 0;
84 memset(&sot, 0, sizeof(struct stdout_task));
85 memset(&rn, 0, sizeof(struct receiver_node));
88 rn.conf = parse_config(argc, argv, &receiver_num);
90 PARA_EMERG_LOG("parse failed\n");
93 r = &receivers[receiver_num];
95 if (conf.buffer_tree_given)
96 rn.btrn = btr_new_node("receiver", NULL, NULL, NULL);
102 if (conf.buffer_tree_given)
103 sot.btrn = btr_new_node("stdout", rn.btrn, NULL, NULL);
105 stdout_set_defaults(&sot);
107 sot.loaded = &rn.loaded;
108 sot.input_error = &rn.task.error;
109 register_task(&sot.task);
111 rn.task.pre_select = r->pre_select;
112 rn.task.post_select = r->post_select;
113 sprintf(rn.task.status, "receiver node");
114 register_task(&rn.task);
120 if (conf.buffer_tree_given) {
121 btr_free_node(rn.btrn);
122 btr_free_node(sot.btrn);
128 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
129 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;