/*
- * Copyright (C) 2006-2008 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2009 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
#include "string.h"
#include "list.h"
#include "sched.h"
+#include "ggo.h"
#include "write.h"
#include "error.h"
FOR_EACH_WRITER_NODE(i, g) {
struct writer_node *wn = &g->writer_nodes[i];
- t->error = wn->writer->pre_select(s, wn);
+ struct writer *w = writers + wn->writer_num;
+ if (!w->pre_select)
+ continue;
+ t->error = w->pre_select(s, wn);
if (t->error < 0)
return;
}
FOR_EACH_WRITER_NODE(i, g) {
struct writer_node *wn = &g->writer_nodes[i];
- t->error = wn->writer->post_select(s, wn);
+ struct writer *w = writers + wn->writer_num;
+ t->error = w->post_select(s, wn);
if (t->error < 0)
return;
if (!i)
}
if (*g->loaded && min_written) {
// PARA_INFO_LOG("moving %zd bytes\n", *g->loaded);
- memmove(g->buf, g->buf + min_written, *g->loaded);
+ memmove(*g->bufp, *g->bufp + min_written, *g->loaded);
}
}
PARA_NOTICE_LOG("opening wng %p with %d writer(s)\n", g, g->num_writers);
FOR_EACH_WRITER_NODE(i, g) {
struct writer_node *wn = &g->writer_nodes[i];
+ struct writer *w = writers + wn->writer_num;
wn->wng = g;
- ret = wn->writer->open(wn);
+ ret = w->open(wn);
if (ret < 0)
goto err_out;
- wn->chunk_bytes = ret;
- g->max_chunk_bytes = PARA_MAX(g->max_chunk_bytes, ret);
}
sprintf(g->task.status, "%s", "writer node group");
register_task(&g->task);
+ g->open = 1;
return 1;
err_out:
PARA_ERROR_LOG("%s\n", para_strerror(-ret));
while (i > 0) {
struct writer_node *wn = &g->writer_nodes[--i];
- wn->writer->close(wn);
+ struct writer *w = writers + wn->writer_num;
+ w->close(wn);
}
+ free(g->writer_nodes);
g->num_writers = 0;
+ g->task.error = -E_TASK_UNREGISTERED;
return ret;
}
{
int i;
- if (!g)
+ if (!g || !g->open)
return;
PARA_NOTICE_LOG("closing wng with %d writer(s)\n", g->num_writers);
FOR_EACH_WRITER_NODE(i, g) {
struct writer_node *wn = &g->writer_nodes[i];
- wn->writer->close(wn);
+ struct writer *w = writers + wn->writer_num;
+ w->close(wn);
}
free(g->writer_nodes);
free(g);
}
/**
- * call the init function of each supported paraslash writer
+ * Call the init function of each supported paraslash writer.
*/
-void init_supported_writers(void)
+void writer_init(void)
{
int i;
struct writer_node_group *setup_default_wng(void)
{
struct writer_node_group *wng = wng_new(1);
- wng->writer_nodes[0].writer = &writers[DEFAULT_WRITER];
+ wng->writer_nodes[0].writer_num = DEFAULT_WRITER;
PARA_INFO_LOG("using default writer: %s %p\n",
writer_names[DEFAULT_WRITER], writers[DEFAULT_WRITER].parse_config);
wng->writer_nodes[0].conf = writers[DEFAULT_WRITER].parse_config("");
return wng;
}
+/**
+ * Print the help text of all writers to stdout.
+ *
+ * \param detailed Whether to print the detailed help text.
+ */
+void print_writer_helps(int detailed)
+{
+ int i;
+
+ printf_or_die("\nAvailable writers: \n\t");
+ FOR_EACH_WRITER(i)
+ printf_or_die("%s%s", i? " " : "", writer_names[i]);
+ printf_or_die("\n\n");
+ FOR_EACH_WRITER(i) {
+ struct writer *w = writers + i;
+
+ if (!w->help.short_help)
+ continue;
+ printf_or_die("Options for %s:\n", writer_names[i]);
+ ggo_print_help(&w->help, detailed);
+ }
+}