2 * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file file_write.c simple output plugin for testing purposes */
18 #include "file_write.cmdline.h"
21 /** data specific to the file writer */
22 struct private_file_write_data {
23 /** the file descriptor of the output file */
25 /** non-zero if \a fd was added to the write fd set */
29 static int file_write_open(struct writer_node *wn)
31 struct private_file_write_data *pfwd = para_calloc(
32 sizeof(struct private_file_write_data));
33 struct file_write_args_info *conf = wn->conf;
35 if (conf->filename_given)
36 filename = conf->filename_arg;
38 char *tmp = para_tmpname(), *home = para_homedir();
39 filename = make_message("%s/.paraslash/%s", home, tmp);
43 wn->private_data = pfwd;
44 pfwd->fd = open(filename, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
45 if (!conf->filename_given)
53 static int file_write_pre_select(struct sched *s, struct writer_node *wn)
55 struct private_file_write_data *pfwd = wn->private_data;
56 struct writer_node_group *wng = wn->wng;
63 para_fd_set(pfwd->fd, &s->wfds, &s->max_fileno);
68 static int file_write_post_select(struct sched *s, struct writer_node *wn)
70 struct private_file_write_data *pfwd = wn->private_data;
71 struct writer_node_group *wng = wn->wng;
76 if (*wng->loaded <= wn->written)
78 if (!FD_ISSET(pfwd->fd, &s->wfds))
80 // PARA_INFO_LOG("writing %zd\n", *wng->loaded);
81 ret = write(pfwd->fd, wng->buf + wn->written,
82 *wng->loaded - wn->written);
89 static void file_write_close(struct writer_node *wn)
91 struct private_file_write_data *pfwd = wn->private_data;
96 __malloc static void *file_write_parse_config(const char *options)
98 PARA_INFO_LOG("options: %s\n", options);
99 struct file_write_args_info *conf
100 = para_calloc(sizeof(struct file_write_args_info));
101 int ret = file_cmdline_parser_string(options, conf, "file_write");
102 PARA_INFO_LOG("conf->filename_given: %d\n", conf->filename_given);
109 /** the init function of the file writer */
110 void file_write_init(struct writer *w)
112 w->open = file_write_open;
113 w->pre_select = file_write_pre_select;
114 w->post_select = file_write_post_select;
115 w->parse_config = file_write_parse_config;
116 w->close = file_write_close;
117 w->shutdown = NULL; /* nothing to do */