-#if 0
-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;
- struct receiver_node rn;
-
- 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");
- goto out;
- }
- r = &receivers[receiver_num];
- rn.receiver = r;
- 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 = 999 * 1000;
- max = -1;
- ret = r->pre_select(&rn, &rfds, &wfds, &timeout);
- max = PARA_MAX(max, ret);
-
- PARA_DEBUG_LOG("timeout: %lums, max: %d\n", tv2ms(&timeout), max);
- ret = para_select(max + 1, &rfds, &wfds, &timeout);
- if (ret < 0) {
- 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/%zd\n", ret, rn.loaded);
- if (ret < 0) {
- ret = -E_WRITE_STDOUT;
- goto out;
- }
- if (ret != rn.loaded) {
- PARA_INFO_LOG("short write %d/%zd\n", ret, rn.loaded);
- memmove(rn.buf, rn.buf + ret, rn.loaded - ret);
- }
- rn.loaded -= ret;
- if (rn.loaded || !eof)
- goto recv;
-out:
- if (r_opened)
- r->close(&rn);
- if (r)
- r->shutdown();
- if (ret < 0)
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
- return ret;
-}
-#endif
-
-void rn_event_handler(struct task *t)
-{
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-t->ret));
- unregister_task(t);
-}
-
-void stdout_event_handler(struct task *t)
-{
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-t->ret));
- unregister_task(t);
-}
-
+/**
+ * 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.
+ */