Re: [PATCH spice-gtk] Add SpiceVMC GIOStream

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On Wed, Feb 12, 2014 at 1:57 PM, Christophe Fergeau <cfergeau@xxxxxxxxxx> wrote:
> On Tue, Feb 11, 2014 at 06:52:49PM +0100, Marc-André Lureau wrote:
>> This allows to use conveniently GIOStream APIs without caring about
>> coroutine and Spice messages details.
>> ---
>>  gtk/Makefile.am |   2 +
>>  gtk/vmcstream.c | 532 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>  gtk/vmcstream.h |  81 +++++++++
>>  3 files changed, 615 insertions(+)
>>  create mode 100644 gtk/vmcstream.c
>>  create mode 100644 gtk/vmcstream.h
>>
>> diff --git a/gtk/Makefile.am b/gtk/Makefile.am
>> index 62afd36..7ceb22f 100644
>> --- a/gtk/Makefile.am
>> +++ b/gtk/Makefile.am
>> @@ -255,6 +255,8 @@ libspice_client_glib_2_0_la_SOURCES =                     \
>>       usbutil.c                                       \
>>       usbutil.h                                       \
>>       $(USB_ACL_HELPER_SRCS)                          \
>> +     vmcstream.c                                     \
>> +     vmcstream.h                                     \
>>                                                       \
>>       decode.h                                        \
>>       decode-glz.c                                    \
>> diff --git a/gtk/vmcstream.c b/gtk/vmcstream.c
>> new file mode 100644
>> index 0000000..f92f8b7
>> --- /dev/null
>> +++ b/gtk/vmcstream.c
>> @@ -0,0 +1,532 @@
>> +/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
>> +/*
>> +  Copyright (C) 2013 Red Hat, Inc.
>> +
>> +  This library is free software; you can redistribute it and/or
>> +  modify it under the terms of the GNU Lesser General Public
>> +  License as published by the Free Software Foundation; either
>> +  version 2.1 of the License, or (at your option) any later version.
>> +
>> +  This library 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
>> +  Lesser General Public License for more details.
>> +
>> +  You should have received a copy of the GNU Lesser General Public
>> +  License along with this library; if not, see <http://www.gnu.org/licenses/>.
>> +*/
>> +#include <string.h>
>> +
>> +#include "vmcstream.h"
>> +#include "spice-channel-priv.h"
>> +#include "gio-coroutine.h"
>> +
>> +struct _SpiceVmcInputStream
>> +{
>> +    GInputStream parent_instance;
>> +    GSimpleAsyncResult *result;
>> +    struct coroutine *coroutine;
>> +
>> +    SpiceChannel *channel;
>> +    gboolean all;
>> +    guint8 *buffer;
>> +    gsize count;
>> +    gsize pos;
>> +
>> +    GCancellable *cancellable;
>> +    gulong cancel_id;
>> +};
>> +
>> +struct _SpiceVmcInputStreamClass
>> +{
>> +    GInputStreamClass parent_class;
>> +};
>> +
>> +static gssize   spice_vmc_input_stream_read        (GInputStream        *stream,
>> +                                                    void                *buffer,
>> +                                                    gsize                count,
>> +                                                    GCancellable        *cancellable,
>> +                                                    GError             **error);
>> +static void     spice_vmc_input_stream_read_async  (GInputStream        *stream,
>> +                                                    void                *buffer,
>> +                                                    gsize                count,
>> +                                                    int                  io_priority,
>> +                                                    GCancellable        *cancellable,
>> +                                                    GAsyncReadyCallback  callback,
>> +                                                    gpointer             user_data);
>> +static gssize   spice_vmc_input_stream_read_finish (GInputStream        *stream,
>> +                                                    GAsyncResult        *result,
>> +                                                    GError             **error);
>> +static gssize   spice_vmc_input_stream_skip        (GInputStream        *stream,
>> +                                                    gsize                count,
>> +                                                    GCancellable        *cancellable,
>> +                                                    GError             **error);
>> +static gboolean spice_vmc_input_stream_close       (GInputStream        *stream,
>> +                                                    GCancellable        *cancellable,
>> +                                                    GError             **error);
>> +
>> +G_DEFINE_TYPE(SpiceVmcInputStream, spice_vmc_input_stream, G_TYPE_INPUT_STREAM)
>> +
>> +
>> +static void
>> +spice_vmc_input_stream_class_init(SpiceVmcInputStreamClass *klass)
>> +{
>> +    GInputStreamClass *istream_class;
>> +
>> +    istream_class = G_INPUT_STREAM_CLASS(klass);
>> +    istream_class->read_fn = spice_vmc_input_stream_read;
>> +    istream_class->read_async = spice_vmc_input_stream_read_async;
>> +    istream_class->read_finish = spice_vmc_input_stream_read_finish;
>> +    istream_class->skip = spice_vmc_input_stream_skip;
>> +    istream_class->close_fn = spice_vmc_input_stream_close;
>> +}
>> +
>> +static void
>> +spice_vmc_input_stream_init(SpiceVmcInputStream *self)
>> +{
>> +}
>> +
>> +static SpiceVmcInputStream *
>> +spice_vmc_input_stream_new(void)
>> +{
>> +    SpiceVmcInputStream *self;
>> +
>> +    self = g_object_new(SPICE_TYPE_VMC_INPUT_STREAM, NULL);
>> +
>> +    return self;
>> +}
>> +
>> +/* coroutine */
>> +/**
>> + * Feed a SpiceVmc stream with new data from a coroutine
>> + *
>> + * The other end will be waiting on read_async() until data is fed
>> + * here.
>> + */
>> +G_GNUC_INTERNAL void
>
> Nit: Use of G_GNUC_INTERNAL is inconsistent in this file, you may want to
> change that before pushing. ACK either way.

ack, I modified internal functions declaration.

> Christophe



-- 
Marc-André Lureau
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