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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Michael Zucchi <notzed@novel.com>
*
* Copyright 2005 Novell, Inc. (www.novell.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <camel/camel-stream.h>
#include "em-message-stream.h"
#include "e-corba-utils.h"
#define EMSS_CLASS(x) ((EMMessageStreamClass *)(((CamelObject *)(x))->klass))
static CamelStreamClass *parent_class = NULL;
static ssize_t
emms_read(CamelStream *stream, char *buffer, size_t n)
{
EMMessageStream *emms = (EMMessageStream *)stream;
ssize_t len;
Evolution_Mail_Buffer *buf;
CORBA_Environment ev = { 0 };
/* To avoid all of the rount-trip overhead, this could always fire off
one request in advance, to pipeline the data. Using another thread. */
if (emms->source == CORBA_OBJECT_NIL) {
errno = EBADF;
return -1;
}
buf = Evolution_Mail_MessageStream_next(emms->source, n, &ev);
if (ev._major != CORBA_NO_EXCEPTION) {
CORBA_exception_free(&ev);
Evolution_Mail_MessageStream_dispose(emms->source, &ev);
emms->source = CORBA_OBJECT_NIL;
stream->eos = TRUE;
errno = EBADF;
return -1;
}
if (buf->_length == 0)
stream->eos = TRUE;
len = buf->_length;
memcpy(buffer, buf->_buffer, buf->_length);
CORBA_free(buf);
return len;
}
static void
em_message_stream_init (CamelObject *object)
{
/*EMMessageStream *emss = (EMMessageStream *)object;*/
}
static void
em_message_stream_finalize (CamelObject *object)
{
EMMessageStream *emms = (EMMessageStream *)object;
d(printf("EMMessageStream.finalise()\n"));
if (emms->source) {
CORBA_Environment ev = { 0 };
Evolution_Mail_MessageStream_dispose(emms->source, &ev);
if (ev._major != CORBA_NO_EXCEPTION)
CORBA_exception_free(&ev);
CORBA_Object_release(emms->source, &ev);
if (ev._major != CORBA_NO_EXCEPTION)
CORBA_exception_free(&ev);
}
}
static void
em_message_stream_class_init (EMMessageStreamClass *klass)
{
CamelStreamClass *stream_class = CAMEL_STREAM_CLASS (klass);
parent_class = (CamelStreamClass *) CAMEL_STREAM_TYPE;
stream_class->read = emms_read;
}
CamelType
em_message_stream_get_type (void)
{
static CamelType type = CAMEL_INVALID_TYPE;
if (type == CAMEL_INVALID_TYPE) {
type = camel_type_register (CAMEL_STREAM_TYPE,
"EMMessageStream",
sizeof (EMMessageStream),
sizeof (EMMessageStreamClass),
(CamelObjectClassInitFunc) em_message_stream_class_init,
NULL,
(CamelObjectInitFunc) em_message_stream_init,
(CamelObjectFinalizeFunc) em_message_stream_finalize);
}
return type;
}
CamelStream *
em_message_stream_new(const Evolution_Mail_MessageStream source)
{
EMMessageStream *ems = (EMMessageStream *)camel_object_new(em_message_stream_get_type());
CORBA_Environment ev = { 0 };
ems->source = CORBA_Object_duplicate(source, &ev);
if (ev._major != CORBA_NO_EXCEPTION) {
CORBA_exception_free(&ev);
camel_object_unref(ems);
ems = NULL;
}
return (CamelStream *)ems;
}
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