X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=write.c;h=3d1b093264bf3e88602b4dc146929582c5b896ed;hp=b3824a081f594dee23617502caf65261717d77b9;hb=b4ed16eddb2433f002139ad1e133427b77814d43;hpb=64a9cf5877ab9ecf6410596d657914f26830d3f7

diff --git a/write.c b/write.c
index b3824a08..3d1b0932 100644
--- a/write.c
+++ b/write.c
@@ -8,7 +8,6 @@
 
 #include <regex.h>
 #include <sys/types.h>
-#include <dirent.h>
 #include <stdbool.h>
 
 #include "para.h"
@@ -23,6 +22,7 @@
 #include "write_common.h"
 #include "fd.h"
 #include "error.h"
+#include "version.h"
 
 INIT_WRITE_ERRLISTS;
 
@@ -165,11 +165,47 @@ __noreturn static void print_help_and_die(void)
 	exit(0);
 }
 
-static int main_btr(struct sched *s)
+/*
+ * Parse config and register a task for a writer node.
+ *
+ * \param arg Command line arguments.
+ * \param parent The new node will be a child of \a parent.
+ * \param wn The writer node.
+ *
+ * If arg is \p NULL, the OS-dependent default writer is used with no
+ * arguments.  The default writers are alsa for Linux, osx for OS X, oss for
+ * *BSD, and the file writer if the default writer is not supported.
+ *
+ * Once the writer configuration has been retrieved from the ->parse_config
+ * callback a writer node is created, its buffer tree node is added to the
+ * buffer tree as a child of the given parent.
+ *
+ * Finally, the new writer node's task structure is initialized and registered
+ * to the paraslash scheduler.
+ *
+ * \return Standard.
+ */
+static int setup_writer_node(const char *arg, struct btr_node *parent,
+		struct writer_node *wn)
+{
+	if (arg)
+		wn->conf = check_writer_arg(arg, &wn->writer_num);
+	else {
+		wn->writer_num = DEFAULT_WRITER;
+		wn->conf = writers[DEFAULT_WRITER].parse_config_or_die("");
+	}
+	if (!wn->conf)
+		return -E_WRITE_COMMON_SYNTAX;
+	register_writer_node(wn, parent);
+	return 1;
+}
+
+static int setup_and_schedule(void)
 {
 	int i, ret;
 	struct check_wav_task _cwt, *cwt = &_cwt;
 	struct writer_node *wns;
+	static struct sched s;
 
 	loglevel = get_loglevel_by_name(conf.loglevel_arg);
 	sit.btrn = btr_new_node(&(struct btr_node_description)
@@ -206,9 +242,9 @@ static int main_btr(struct sched *s)
 		}
 	}
 
-	s->default_timeout.tv_sec = 10;
-	s->default_timeout.tv_usec = 50000;
-	ret = schedule(s);
+	s.default_timeout.tv_sec = 10;
+	s.default_timeout.tv_usec = 50000;
+	ret = schedule(&s);
 	if (ret >= 0) {
 		int j;
 		for (j = 0; j < i; j++) {
@@ -252,7 +288,6 @@ out:
 int main(int argc, char *argv[])
 {
 	int ret = -E_WRITE_SYNTAX;
-	static struct sched s;
 
 	writer_init();
 	write_cmdline_parser(argc, argv, &conf);
@@ -260,7 +295,7 @@ int main(int argc, char *argv[])
 	if (conf.help_given || conf.detailed_help_given)
 		print_help_and_die();
 
-	ret = main_btr(&s);
+	ret = setup_and_schedule();
 	if (ret < 0) {
 		PARA_ERROR_LOG("%s\n", para_strerror(-ret));
 		exit(EXIT_FAILURE);