Merge branch 'refs/heads/t/invalid-ids'
[paraslash.git] / file_write.c
index 7762d7940754a3b044917107205d34c610c65cde..5e66607e4dba4a0595da7f8fcfeae0dba0bf3bad 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2010 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -8,9 +8,6 @@
 
 #include <regex.h>
 #include <sys/types.h>
-#include <dirent.h>
-#include <sys/time.h>
-#include <stdbool.h>
 
 #include "para.h"
 #include "list.h"
@@ -40,11 +37,9 @@ struct private_file_write_data {
 __must_check __malloc static char *random_filename(void)
 {
        char *result, *home = para_homedir();
-       struct timeval tv;
 
-       gettimeofday(&tv, NULL);
-       srandom(tv.tv_usec);
-       result = make_message("%s/.paraslash/%08lu", home,
+       srandom(clock_get_realtime(NULL)->tv_usec);
+       result = make_message("%s/.paraslash/%08ld", home,
                para_random(99999999));
        free(home);
        return result;
@@ -79,9 +74,9 @@ out:
        return ret;
 }
 
-static void file_write_pre_select(struct sched *s, struct task *t)
+static void file_write_pre_select(struct sched *s, void *context)
 {
-       struct writer_node *wn = container_of(t, struct writer_node, task);
+       struct writer_node *wn = context;
        struct private_file_write_data *pfwd = wn->private_data;
        int ret = btr_node_status(wn->btrn, wn->min_iqs, BTR_NT_LEAF);
 
@@ -102,17 +97,18 @@ static void file_write_close(struct writer_node *wn)
        free(pfwd);
 }
 
-static void file_write_post_select(__a_unused struct sched *s,
-               struct task *t)
+static int file_write_post_select(__a_unused struct sched *s, void *context)
 {
-       struct writer_node *wn = container_of(t, struct writer_node, task);
+       struct writer_node *wn = context;
        struct private_file_write_data *pfwd = wn->private_data;
        struct btr_node *btrn = wn->btrn;
        int ret;
        char *buf;
        size_t bytes;
 
-       t->error = 0;
+       ret = task_get_notification(wn->task);
+       if (ret < 0)
+               goto out;
        ret = btr_node_status(btrn, wn->min_iqs, BTR_NT_LEAF);
        if (ret <= 0)
                goto out;
@@ -121,32 +117,32 @@ static void file_write_post_select(__a_unused struct sched *s,
                goto out;
        }
        if (!FD_ISSET(pfwd->fd, &s->wfds))
-               return;
+               return 0;
        bytes = btr_next_buffer(btrn, &buf);
        assert(bytes > 0);
        //PARA_INFO_LOG("writing %zu\n", bytes);
-       ret = write(pfwd->fd, buf, bytes);
+       ret = xwrite(pfwd->fd, buf, bytes);
        if (ret < 0)
                goto out;
        btr_consume(btrn, ret);
 out:
        if (ret < 0)
-               btr_remove_node(btrn);
-       t->error = ret;
+               btr_remove_node(&wn->btrn);
+       return ret;
 }
 
-__malloc static void *file_write_parse_config_or_die(const char *options)
+__malloc static void *file_write_parse_config_or_die(int argc, char **argv)
 {
        struct file_write_args_info *conf = para_calloc(sizeof(*conf));
 
        /* exits on errors */
-       file_cmdline_parser_string(options, conf, "file_write");
+       file_write_cmdline_parser(argc, argv, conf);
        return conf;
 }
 
 static void file_write_free_config(void *conf)
 {
-       file_cmdline_parser_free(conf);
+       file_write_cmdline_parser_free(conf);
 }
 
 /** the init function of the file writer */
@@ -154,16 +150,12 @@ void file_write_init(struct writer *w)
 {
        struct file_write_args_info dummy;
 
-       file_cmdline_parser_init(&dummy);
+       file_write_cmdline_parser_init(&dummy);
        w->pre_select = file_write_pre_select;
        w->post_select = file_write_post_select;
        w->parse_config_or_die = file_write_parse_config_or_die;
        w->free_config = file_write_free_config;
        w->close = file_write_close;
-       w->shutdown = NULL; /* nothing to do */
-       w->help = (struct ggo_help) {
-               .short_help = file_write_args_info_help,
-               .detailed_help = file_write_args_info_detailed_help
-       };
-       file_cmdline_parser_free(&dummy);
+       w->help = (struct ggo_help)DEFINE_GGO_HELP(file_write);
+       file_write_cmdline_parser_free(&dummy);
 }