diff options
Diffstat (limited to 'camel/camel-stream-fs.c')
| -rw-r--r-- | camel/camel-stream-fs.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/camel/camel-stream-fs.c b/camel/camel-stream-fs.c deleted file mode 100644 index a8e0dcb6c4..0000000000 --- a/camel/camel-stream-fs.c +++ /dev/null @@ -1,276 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-stream-fs.c : file system based stream */ - -/* inspired by gnome-stream-fs.c in bonobo by Miguel de Icaza */ -/* - * - * Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@inria.fr> . - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ -#include <config.h> -#include "camel-stream-fs.h" -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> -#include "camel-log.h" - -static CamelStreamClass *parent_class=NULL; - - -/* Returns the class for a CamelStreamFS */ -#define CS_CLASS(so) CAMEL_STREAM_FS_CLASS (GTK_OBJECT(so)->klass) - -static gint _read (CamelStream *stream, gchar *buffer, gint n); -static gint _write (CamelStream *stream, const gchar *buffer, gint n); -static void _flush (CamelStream *stream); -static gint _available (CamelStream *stream); -static gboolean _eos (CamelStream *stream); -static void _close (CamelStream *stream); -static gint _seek (CamelStream *stream, gint offset, CamelStreamSeekPolicy policy); - - -static void -camel_stream_fs_class_init (CamelStreamFsClass *camel_stream_fs_class) -{ - CamelStreamClass *camel_stream_class = CAMEL_STREAM_CLASS (camel_stream_fs_class); - parent_class = gtk_type_class (gtk_object_get_type ()); - - /* virtual method definition */ - - /* virtual method overload */ - camel_stream_class->read = _read; - camel_stream_class->write = _write; - camel_stream_class->flush = _flush; - camel_stream_class->available = _available; - camel_stream_class->eos = _eos; - camel_stream_class->close = _close; - camel_stream_class->seek = _seek; - -} - - - -GtkType -camel_stream_fs_get_type (void) -{ - static GtkType camel_stream_fs_type = 0; - - if (!camel_stream_fs_type) { - GtkTypeInfo camel_stream_fs_info = - { - "CamelStreamFs", - sizeof (CamelStreamFs), - sizeof (CamelStreamFsClass), - (GtkClassInitFunc) camel_stream_fs_class_init, - (GtkObjectInitFunc) NULL, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, - }; - - camel_stream_fs_type = gtk_type_unique (camel_stream_get_type (), &camel_stream_fs_info); - } - - return camel_stream_fs_type; -} - - -CamelStream * -camel_stream_fs_new_with_name (gchar *name, CamelStreamFsMode mode) -{ - struct stat s; - int v, fd; - int flags; - CamelStreamFs *stream_fs; - - g_assert (name); - CAMEL_LOG_FULL_DEBUG ( "Entering CamelStream::new_with_name, name=\"%s\", mode=%d\n", name, mode); - v = stat (name, &s); - - if (mode & CAMEL_STREAM_FS_READ){ - if (mode & CAMEL_STREAM_FS_WRITE) - flags = O_RDWR | O_CREAT; - else - flags = O_RDONLY; - } else { - if (mode & CAMEL_STREAM_FS_WRITE) - flags = O_WRONLY | O_CREAT; - else - return NULL; - } - if ( (mode & CAMEL_STREAM_FS_READ) && !(mode & CAMEL_STREAM_FS_WRITE) ) - if (v == -1) return NULL; - - fd = open (name, flags, 0600); - if (fd==-1) { - CAMEL_LOG_WARNING ( "CamelStreamFs::new_with_name can not obtain fd for file \"%s\"\n", name); - CAMEL_LOG_FULL_DEBUG ( " Full error text is : %s\n", strerror(errno)); - return NULL; - } - - stream_fs = CAMEL_STREAM_FS (camel_stream_fs_new_with_fd (fd)); - stream_fs->name = name; - - return CAMEL_STREAM (stream_fs); - -} - -CamelStream * -camel_stream_fs_new_with_fd (int fd) -{ - CamelStreamFs *stream_fs; - - CAMEL_LOG_FULL_DEBUG ( "Entering CamelStream::new_with_fd fd=%d\n",fd); - stream_fs = gtk_type_new (camel_stream_fs_get_type ()); - stream_fs->fd = fd; - return CAMEL_STREAM (stream_fs); -} - -/** - * _read: read bytes from a stream - * @stream: stream - * @buffer: buffer where bytes are stored - * @n: max number of bytes to read - * - * - * - * Return value: number of bytes actually read. - **/ -static gint -_read (CamelStream *stream, gchar *buffer, gint n) -{ - int v; - do { - v = read ( (CAMEL_STREAM_FS (stream))->fd, buffer, n); - } while (v == -1 && errno == EINTR); - return v; -} - - -/** - * _write: read bytes to a stream - * @stream: the stream - * @buffer: byte buffer - * @n: number of bytes to write - * - * - * - * Return value: the number of bytes actually written - * in the stream. - **/ -static gint -_write (CamelStream *stream, const gchar *buffer, gint n) -{ - int v; - g_assert (stream); - g_assert ((CAMEL_STREAM_FS (stream))->fd); - CAMEL_LOG_FULL_DEBUG ( "CamelStreamFs:: entering write. n=%d\n", n); - do { - v = write ( (CAMEL_STREAM_FS (stream))->fd, buffer, n); - } while (v == -1 && errno == EINTR); - -#if HARD_LOG_LEVEL >= FULL_DEBUG - if (v==-1) { - perror(""); - CAMEL_LOG_FULL_DEBUG ( "CamelStreamFs::write could not write bytes in stream\n"); - } -#endif - return v; - -} - - - -/** - * _flush: flush pending changes - * @stream: the stream - * - * - **/ -static void -_flush (CamelStream *stream) -{ - fsync ((CAMEL_STREAM_FS (stream))->fd); -} - - - -/** - * _available: return the number of bytes available for reading - * @stream: the stream - * - * Return the number of bytes available without blocking. - * - * Return value: the number of bytes available - **/ -static gint -_available (CamelStream *stream) -{ - g_warning ("Not implemented yet"); -} - - -/** - * _eos: test if there are bytes left to read - * @stream: the stream - * - * - * - * Return value: true if all stream has been read - **/ -static gboolean -_eos (CamelStream *stream) -{ - g_warning ("Not implemented yet"); -} - - -/** - * _close: close a stream - * @stream: the stream - * - * - **/ -static void -_close (CamelStream *stream) -{ - close ((CAMEL_STREAM_FS (stream))->fd); -} - - -static gint -_seek (CamelStream *stream, gint offset, CamelStreamSeekPolicy policy) -{ - int whence; - switch (policy) { - case CAMEL_STREAM_SET: - whence = SEEK_SET; - break; - case CAMEL_STREAM_CUR: - whence = SEEK_CUR; - break; - case CAMEL_STREAM_END: - whence = SEEK_END; - break; - default: - return -1; - } - - - return lseek ((CAMEL_STREAM_FS (stream))->fd, offset, whence); -} |