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-rw-r--r--mail/em-sync-stream.c286
1 files changed, 0 insertions, 286 deletions
diff --git a/mail/em-sync-stream.c b/mail/em-sync-stream.c
deleted file mode 100644
index df5659253e..0000000000
--- a/mail/em-sync-stream.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Authors: Jeffrey Stedfast <fejj@ximian.com>
- * Michael Zucchi <notzed@ximian.com>
- *
- * Copyright 2001 Ximian, Inc. (www.ximian.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 <camel/camel-stream.h>
-#include <camel/camel-object.h>
-#include <gtk/gtkmain.h>
-#include "em-sync-stream.h"
-
-#include "mail-mt.h"
-
-/*#define LOG_STREAM*/
-
-#define d(x)
-
-#define EMSS_CLASS(x) ((EMSyncStreamClass *)(((CamelObject *)(x))->klass))
-
-struct _EMSyncStreamPrivate {
- /* FIXME: use a single data port/gui channel for all instances */
- /* TODO: possibly just use one of the mail-mt ports ... */
- struct _EMsgPort *data_port, *reply_port;
- struct _GIOChannel *gui_channel;
- guint gui_watch;
-
- char *buf_data;
- int buf_used;
- int buf_size;
-};
-
-/* Should probably expose messages to outside world ... so subclasses can extend */
-enum _write_msg_t {
- EMSS_WRITE,
- EMSS_FLUSH,
- EMSS_CLOSE,
-};
-
-struct _write_msg {
- EMsg msg;
-
- enum _write_msg_t op;
-
- const char *data;
- size_t n;
-};
-
-static void em_sync_stream_class_init (EMSyncStreamClass *klass);
-static void em_sync_stream_init (CamelObject *object);
-static void em_sync_stream_finalize (CamelObject *object);
-
-static ssize_t stream_write(CamelStream *stream, const char *buffer, size_t n);
-static int stream_close(CamelStream *stream);
-static int stream_flush(CamelStream *stream);
-
-static CamelStreamClass *parent_class = NULL;
-
-CamelType
-em_sync_stream_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- type = camel_type_register (CAMEL_STREAM_TYPE,
- "EMSyncStream",
- sizeof (EMSyncStream),
- sizeof (EMSyncStreamClass),
- (CamelObjectClassInitFunc) em_sync_stream_class_init,
- NULL,
- (CamelObjectInitFunc) em_sync_stream_init,
- (CamelObjectFinalizeFunc) em_sync_stream_finalize);
- }
-
- return type;
-}
-
-static void
-em_sync_stream_class_init (EMSyncStreamClass *klass)
-{
- CamelStreamClass *stream_class = CAMEL_STREAM_CLASS (klass);
-
- parent_class = (CamelStreamClass *) CAMEL_STREAM_TYPE;
-
- /* virtual method overload */
- stream_class->write = stream_write;
- stream_class->flush = stream_flush;
- stream_class->close = stream_close;
-}
-
-static gboolean
-emcs_gui_received(GIOChannel *source, GIOCondition cond, void *data)
-{
- EMSyncStream *emss = data;
- struct _EMSyncStreamPrivate *p = emss->priv;
- struct _write_msg *msg;
-
- d(printf("%p: gui sync op job waiting\n", emss));
-
- msg = (struct _write_msg *)e_msgport_get(p->data_port);
- /* Should never happen ... */
- if (msg == NULL)
- return TRUE;
-
- d(printf("%p: running sync op %d\n", emss, msg->op));
-
- /* force out any pending data before doing anything else */
- if (p->buf_used > 0) {
- EMSS_CLASS(emss)->sync_write((CamelStream *)emss, p->buf_data, p->buf_used);
- p->buf_used = 0;
- }
-
- /* FIXME: need to handle return values */
-
- switch (msg->op) {
- case EMSS_WRITE:
- EMSS_CLASS(emss)->sync_write((CamelStream *)emss, msg->data, msg->n);
- break;
- case EMSS_FLUSH:
- EMSS_CLASS(emss)->sync_flush((CamelStream *)emss);
- break;
- case EMSS_CLOSE:
- EMSS_CLASS(emss)->sync_close((CamelStream *)emss);
- break;
- }
-
- e_msgport_reply((EMsg *)msg);
- d(printf("%p: gui sync op jobs done\n", emss));
-
- return TRUE;
-}
-
-static void
-em_sync_stream_init (CamelObject *object)
-{
- EMSyncStream *emss = (EMSyncStream *)object;
- struct _EMSyncStreamPrivate *p;
-
- p = emss->priv = g_malloc0(sizeof(*p));
-
- p->data_port = e_msgport_new();
- p->reply_port = e_msgport_new();
-
- p->gui_channel = g_io_channel_unix_new(e_msgport_fd(p->data_port));
- p->gui_watch = g_io_add_watch(p->gui_channel, G_IO_IN, emcs_gui_received, emss);
-
- d(printf("%p: new emss\n", emss));
-}
-
-static void
-sync_op(EMSyncStream *emss, enum _write_msg_t op, const char *data, size_t n)
-{
- struct _EMSyncStreamPrivate *p = emss->priv;
- struct _write_msg msg;
-
- d(printf("%p: launching sync op %d\n", emss, op));
-
- /* we do everything synchronous, we should never have any locks, and
- this prevents overflow from banked up data */
-
- msg.msg.reply_port = p->reply_port;
- msg.op = op;
- msg.data = data;
- msg.n = n;
-
- e_msgport_put(p->data_port, &msg.msg);
- e_msgport_wait(p->reply_port);
-
- g_assert(e_msgport_get(msg.msg.reply_port) == &msg.msg);
- d(printf("%p: returned sync op %d\n", emss, op));
-}
-
-static void
-em_sync_stream_finalize (CamelObject *object)
-{
- EMSyncStream *emss = (EMSyncStream *)object;
- struct _EMSyncStreamPrivate *p = emss->priv;
-
- /* TODO: is this stuff safe to do in another thread? */
- g_source_remove(p->gui_watch);
- g_io_channel_unref(p->gui_channel);
-
- e_msgport_destroy(p->data_port);
- e_msgport_destroy(p->reply_port);
-
- p->data_port = NULL;
- p->reply_port = NULL;
-
- g_free(p->buf_data);
- g_free(p);
-}
-
-static ssize_t
-stream_write (CamelStream *stream, const char *buffer, size_t n)
-{
- EMSyncStream *emss = EM_SYNC_STREAM (stream);
- struct _EMSyncStreamPrivate *p = emss->priv;
-
- if (emss->cancel)
- return -1;
-
- if (pthread_self() == mail_gui_thread)
- EMSS_CLASS(emss)->sync_write(stream, buffer, n);
- else if (p->buf_size > 0) {
- size_t left = p->buf_size-p->buf_used;
-
- if (n >= left) {
- sync_op(emss, EMSS_WRITE, buffer, n);
- } else {
- memcpy(p->buf_data + p->buf_used, buffer, n);
- p->buf_used += n;
- }
- } else {
- sync_op(emss, EMSS_WRITE, buffer, n);
- }
-
- return (ssize_t) n;
-}
-
-static int
-stream_flush(CamelStream *stream)
-{
- EMSyncStream *emss = (EMSyncStream *)stream;
-
- if (emss->cancel)
- return -1;
-
- if (pthread_self() == mail_gui_thread)
- return ((EMSyncStreamClass *)(((CamelObject *)emss)->klass))->sync_flush(stream);
- else
- sync_op(emss, EMSS_FLUSH, NULL, 0);
-
- return 0;
-}
-
-static int
-stream_close(CamelStream *stream)
-{
- EMSyncStream *emss = (EMSyncStream *)stream;
-
- if (emss->cancel)
- return -1;
-
- d(printf("%p: closing stream\n", stream));
-
- if (pthread_self() == mail_gui_thread)
- return ((EMSyncStreamClass *)(((CamelObject *)emss)->klass))->sync_close(stream);
- else
- sync_op(emss, EMSS_CLOSE, NULL, 0);
-
- return 0;
-}
-
-void
-em_sync_stream_set_buffer_size(EMSyncStream *emss, size_t size)
-{
- struct _EMSyncStreamPrivate *p = emss->priv;
-
- g_free(p->buf_data);
- p->buf_data = g_malloc(size);
- p->buf_size = size;
- p->buf_used = 0;
-}
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