[Spice-devel] [spice-gtk v4 20/24] file-xfer: move to spice-file-transfer-task.c
Victor Toso
lists at victortoso.com
Tue Jun 28 12:53:30 UTC 2016
Hi,
On Mon, Jun 27, 2016 at 03:57:10PM -0500, Jonathon Jongsma wrote:
> On Thu, 2016-06-23 at 19:37 +0200, Victor Toso wrote:
> > This patch moves:
> > * GObject boilerplate
> > * External API related to SpiceFileTransferTask
> > * Internal API needed by channel-main
> > * Helpers that belong to this object
> > ---
> > src/Makefile.am | 2 +
> > src/channel-main.c | 696 +----------------------------------
> > src/spice-file-transfer-task-priv.h | 59 +++
> > src/spice-file-transfer-task.c | 713
> > ++++++++++++++++++++++++++++++++++++
> > 4 files changed, 776 insertions(+), 694 deletions(-)
> > create mode 100644 src/spice-file-transfer-task-priv.h
> > create mode 100644 src/spice-file-transfer-task.c
> >
> > diff --git a/src/Makefile.am b/src/Makefile.am
> > index 6fb8507..779d655 100644
> > --- a/src/Makefile.am
> > +++ b/src/Makefile.am
> > @@ -233,6 +233,8 @@ libspice_client_glib_2_0_la_SOURCES =
> > \
> > spice-channel.c \
> > spice-channel-cache.h \
> > spice-channel-priv.h \
> > + spice-file-transfer-task.c \
> > + spice-file-transfer-task-priv.h \
> > coroutine.h \
> > gio-coroutine.c \
> > gio-coroutine.h \
>
> Looks like there's some alignment issues here.
Indeed, I'll fix it
>
>
> > diff --git a/src/channel-main.c b/src/channel-main.c
> > index 190a366..a0b2748 100644
> > --- a/src/channel-main.c
> > +++ b/src/channel-main.c
> > @@ -29,7 +29,7 @@
> > #include "spice-channel-priv.h"
> > #include "spice-session-priv.h"
> > #include "spice-audio-priv.h"
> > -#include "spice-file-transfer-task.h"
> > +#include "spice-file-transfer-task-priv.h"
> >
> > /**
> > * SECTION:channel-main
> > @@ -54,94 +54,6 @@
> >
> > typedef struct spice_migrate spice_migrate;
> >
> > -static guint32 spice_file_transfer_task_get_id(SpiceFileTransferTask *self);
> > -static SpiceMainChannel
> > *spice_file_transfer_task_get_channel(SpiceFileTransferTask *self);
> > -static GCancellable
> > *spice_file_transfer_task_get_cancellable(SpiceFileTransferTask *self);
> > -static GHashTable *spice_file_transfer_task_create_tasks(GFile **files,
> > - SpiceMainChannel
> > *channel,
> > - GFileCopyFlags
> > flags,
> > - GCancellable
> > *cancellable);
> > -static void spice_file_transfer_task_init_task_async(SpiceFileTransferTask
> > *self,
> > - GAsyncReadyCallback
> > callback,
> > - gpointer userdata);
> > -static GFileInfo
> > *spice_file_transfer_task_init_task_finish(SpiceFileTransferTask *xfer_task,
> > - GAsyncResult
> > *result,
> > - GError **error);
> > -static void spice_file_transfer_task_read_async(SpiceFileTransferTask *self,
> > - GAsyncReadyCallback callback,
> > - gpointer userdata);
> > -static gssize spice_file_transfer_task_read_finish(SpiceFileTransferTask
> > *self,
> > - GAsyncResult *result,
> > - char **buffer,
> > - GError **error);
> > -static guint64 spice_file_transfer_task_get_file_size(SpiceFileTransferTask
> > *self);
> > -static guint64 spice_file_transfer_task_get_bytes_read(SpiceFileTransferTask
> > *self);
> > -static void spice_file_transfer_task_debug_info(SpiceFileTransferTask *self);
> > -
> > -/**
> > - * SECTION:file-transfer-task
> > - * @short_description: Monitoring file transfers
> > - * @title: File Transfer Task
> > - * @section_id:
> > - * @see_also: #SpiceMainChannel
> > - * @stability: Stable
> > - * @include: spice-client.h
> > - *
> > - * SpiceFileTransferTask is an object that represents a particular file
> > - * transfer between the client and the guest. The properties and signals of
> > the
> > - * object can be used to monitor the status and result of the transfer. The
> > - * Main Channel's #SpiceMainChannel::new-file-transfer signal will be emitted
> > - * whenever a new file transfer task is initiated.
> > - *
> > - * Since: 0.31
> > - */
> > -
> > -struct _SpiceFileTransferTask
> > -{
> > - GObject parent;
> > -
> > - uint32_t id;
> > - gboolean pending;
> > - GFile *file;
> > - SpiceMainChannel *channel;
> > - GFileInputStream *file_stream;
> > - GFileCopyFlags flags;
> > - GCancellable *cancellable;
> > - GAsyncReadyCallback callback;
> > - gpointer user_data;
> > - char *buffer;
> > - uint64_t read_bytes;
> > - GFileInfo *file_info;
> > - uint64_t file_size;
> > - gint64 start_time;
> > - gint64 last_update;
> > - GError *error;
> > -};
> > -
> > -struct _SpiceFileTransferTaskClass
> > -{
> > - GObjectClass parent_class;
> > -};
> > -
> > -G_DEFINE_TYPE(SpiceFileTransferTask, spice_file_transfer_task, G_TYPE_OBJECT)
> > -
> > -#define FILE_XFER_CHUNK_SIZE (VD_AGENT_MAX_DATA_SIZE * 32)
> > -
> > -enum {
> > - PROP_TASK_ID = 1,
> > - PROP_TASK_CHANNEL,
> > - PROP_TASK_CANCELLABLE,
> > - PROP_TASK_FILE,
> > - PROP_TASK_PROGRESS,
> > -};
> > -
> > -enum {
> > - SIGNAL_FINISHED,
> > - LAST_TASK_SIGNAL
> > -};
> > -
> > -static guint task_signals[LAST_TASK_SIGNAL];
> > -
> > typedef enum {
> > DISPLAY_UNDEFINED,
> > DISPLAY_DISABLED,
> > @@ -267,7 +179,6 @@ static void migrate_channel_event_cb(SpiceChannel
> > *channel, SpiceChannelEvent ev
> > gpointer data);
> > static gboolean main_migrate_handshake_done(gpointer data);
> > static void spice_main_channel_send_migration_handshake(SpiceChannel
> > *channel);
> > -static void spice_file_transfer_task_completed(SpiceFileTransferTask *self,
> > GError *error);
> > static void file_xfer_flushed(SpiceMainChannel *channel, gboolean success);
> > static void file_xfer_read_async_cb(GObject *source_object,
> > GAsyncResult *res,
> > @@ -1840,44 +1751,6 @@ static void main_handle_agent_disconnected(SpiceChannel
> > *channel, SpiceMsgIn *in
> > agent_stopped(SPICE_MAIN_CHANNEL(channel));
> > }
> >
> > -/* main context */
> > -static void spice_file_transfer_task_close_stream_cb(GObject *object,
> > - GAsyncResult *close_res,
> > - gpointer user_data)
> > -{
> > - SpiceFileTransferTask *self;
> > - GError *error = NULL;
> > -
> > - self = user_data;
> > -
> > - if (object) {
> > - GInputStream *stream = G_INPUT_STREAM(object);
> > - g_input_stream_close_finish(stream, close_res, &error);
> > - if (error) {
> > - /* This error dont need to report to user, just print a log */
> > - SPICE_DEBUG("close file error: %s", error->message);
> > - g_clear_error(&error);
> > - }
> > - }
> > -
> > - if (self->error == NULL && spice_util_get_debug()) {
> > - gint64 now = g_get_monotonic_time();
> > - gchar *basename = g_file_get_basename(self->file);
> > - double seconds = (double) (now - self->start_time) /
> > G_TIME_SPAN_SECOND;
> > - gchar *file_size_str = g_format_size(self->file_size);
> > - gchar *transfer_speed_str = g_format_size(self->file_size / seconds);
> > -
> > - g_warn_if_fail(self->read_bytes == self->file_size);
> > - SPICE_DEBUG("transferred file %s of %s size in %.1f seconds (%s/s)",
> > - basename, file_size_str, seconds, transfer_speed_str);
> > -
> > - g_free(basename);
> > - g_free(file_size_str);
> > - g_free(transfer_speed_str);
> > - }
> > - g_object_unref(self);
> > -}
> > -
> > static void file_xfer_data_flushed_cb(GObject *source_object,
> > GAsyncResult *res,
> > gpointer user_data)
> > @@ -1990,6 +1863,7 @@ static void file_xfer_handle_status(SpiceMainChannel
> > *channel,
> > spice_file_transfer_task_completed(xfer_task, error);
> > }
> >
> > +
> > /* any context: the message is not flushed immediately,
> > you can wakeup() the channel coroutine or send_msg_queue() */
> > static void agent_max_clipboard(SpiceMainChannel *self)
> > @@ -2933,38 +2807,6 @@ void spice_main_set_display_enabled(SpiceMainChannel
> > *channel, int id, gboolean
> > spice_main_update_display_enabled(channel, id, enabled, TRUE);
> > }
> >
> > -static void spice_file_transfer_task_completed(SpiceFileTransferTask *self,
> > - GError *error)
> > -{
> > - /* In case of multiple errors we only report the first error */
> > - if (self->error)
> > - g_clear_error(&error);
> > - if (error) {
> > - gchar *path = g_file_get_path(self->file);
> > - SPICE_DEBUG("File %s xfer failed: %s",
> > - path, error->message);
> > - g_free(path);
> > - self->error = error;
> > - }
> > -
> > - if (self->pending)
> > - return;
> > -
> > - if (!self->file_stream) {
> > - spice_file_transfer_task_close_stream_cb(NULL, NULL, self);
> > - goto signal;
> > - }
> > -
> > - g_input_stream_close_async(G_INPUT_STREAM(self->file_stream),
> > - G_PRIORITY_DEFAULT,
> > - self->cancellable,
> > - spice_file_transfer_task_close_stream_cb,
> > - self);
> > - self->pending = TRUE;
> > -signal:
> > - g_signal_emit(self, task_signals[SIGNAL_FINISHED], 0, self->error);
> > -}
> > -
> >
> > static void file_xfer_init_task_async_cb(GObject *obj, GAsyncResult *res,
> > gpointer data)
> > {
> > @@ -3146,10 +2988,6 @@ static void
> > file_transfer_operation_send_progress(SpiceFileTransferTask *xfer_ta
> > xfer_op->progress_callback_data);
> > }
> >
> > -static SpiceFileTransferTask *spice_file_transfer_task_new(SpiceMainChannel
> > *channel,
> > - GFile *file,
> > - GCancellable
> > *cancellable);
> > -
> > /**
> > * spice_main_file_copy_async:
> > * @channel: a #SpiceMainChannel
> > @@ -3269,533 +3107,3 @@ gboolean spice_main_file_copy_finish(SpiceMainChannel
> > *channel,
> >
> > return g_task_propagate_boolean(task, error);
> > }
> > -
> > -static guint32 spice_file_transfer_task_get_id(SpiceFileTransferTask *self)
> > -{
> > - g_return_val_if_fail(self != NULL, 0);
> > - return self->id;
> > -}
> > -
> > -static SpiceMainChannel
> > *spice_file_transfer_task_get_channel(SpiceFileTransferTask *self)
> > -{
> > - g_return_val_if_fail(self != NULL, NULL);
> > - return self->channel;
> > -}
> > -
> > -static GCancellable
> > *spice_file_transfer_task_get_cancellable(SpiceFileTransferTask *self)
> > -{
> > - g_return_val_if_fail(self != NULL, NULL);
> > - return self->cancellable;
> > -}
> > -
> > -static guint64 spice_file_transfer_task_get_file_size(SpiceFileTransferTask
> > *self)
> > -{
> > - g_return_val_if_fail(self != NULL, 0);
> > - return self->file_size;
> > -}
> > -
> > -static guint64 spice_file_transfer_task_get_bytes_read(SpiceFileTransferTask
> > *self)
> > -{
> > - g_return_val_if_fail(self != NULL, 0);
> > - return self->read_bytes;
> > -}
> > -
> > -/* Helper function which only creates a SpiceFileTransferTask per GFile
> > - * in @files and returns a HashTable mapping task-id to the task itself
> > - * Note that the HashTable does not free its values uppon destruction:
> > - * The reference created here should be freed by
> > - * spice_file_transfer_task_completed */
> > -static GHashTable *spice_file_transfer_task_create_tasks(GFile **files,
> > - SpiceMainChannel
> > *channel,
> > - GFileCopyFlags
> > flags,
> > - GCancellable
> > *cancellable)
> > -{
> > - GHashTable *xfer_ht;
> > - gint i;
> > -
> > - g_return_val_if_fail(files != NULL && files[0] != NULL, NULL);
> > -
> > - xfer_ht = g_hash_table_new(g_direct_hash, g_direct_equal);
> > - for (i = 0; files[i] != NULL && !g_cancellable_is_cancelled(cancellable);
> > i++) {
> > - SpiceFileTransferTask *xfer_task;
> > - guint32 task_id;
> > - GCancellable *task_cancellable = cancellable;
> > -
> > - /* if a cancellable object was not provided for the overall
> > operation,
> > - * create a separate object for each file so that they can be
> > cancelled
> > - * separately */
> > - if (!task_cancellable)
> > - task_cancellable = g_cancellable_new();
> > -
> > - xfer_task = spice_file_transfer_task_new(channel, files[i],
> > task_cancellable);
> > - xfer_task->flags = flags;
> > -
> > - task_id = spice_file_transfer_task_get_id(xfer_task);
> > - g_hash_table_insert(xfer_ht, GUINT_TO_POINTER(task_id), xfer_task);
> > -
> > - /* if we created a per-task cancellable above, free it */
> > - if (!cancellable)
> > - g_object_unref(task_cancellable);
> > - }
> > - return xfer_ht;
> > -}
> > -
> > -static void spice_file_transfer_task_query_info_cb(GObject *obj,
> > - GAsyncResult *res,
> > - gpointer user_data)
> > -{
> > - SpiceFileTransferTask *self;
> > - GFileInfo *info;
> > - GTask *task;
> > - GError *error = NULL;
> > -
> > - task = G_TASK(user_data);
> > - self = g_task_get_source_object(task);
> > -
> > - g_return_if_fail(self->pending == TRUE);
> > - self->pending = FALSE;
> > -
> > - info = g_file_query_info_finish(G_FILE(obj), res, &error);
> > - if (error || self->error) {
> > - error = (error == NULL) ? self->error : error;
> > - g_task_return_error(task, error);
> > - return;
> > - }
> > -
> > - self->file_info = info;
> > - self->file_size =
> > - g_file_info_get_attribute_uint64(info,
> > G_FILE_ATTRIBUTE_STANDARD_SIZE);
> > -
> > - /* SpiceFileTransferTask's init is done, handshake for file-trasfer will
> > - * start soon. First "progress" can be emitted ~ 0% */
> > - g_object_notify(G_OBJECT(self), "progress");
> > -
> > - g_task_return_boolean(task, TRUE);
> > -}
> > -
> > -static void spice_file_transfer_task_read_file_cb(GObject *obj,
> > - GAsyncResult *res,
> > - gpointer user_data)
> > -{
> > - SpiceFileTransferTask *self;
> > - GTask *task;
> > - GError *error = NULL;
> > -
> > - task = G_TASK(user_data);
> > - self = g_task_get_source_object(task);
> > -
> > - g_return_if_fail(self->pending == TRUE);
> > -
> > - self->file_stream = g_file_read_finish(G_FILE(obj), res, &error);
> > - if (error || self->error) {
> > - self->pending = FALSE;
> > - error = (error == NULL) ? self->error : error;
> > - g_task_return_error(task, error);
> > - return;
> > - }
> > -
> > - g_file_query_info_async(self->file,
> > - "standard::*",
> > - G_FILE_QUERY_INFO_NONE,
> > - G_PRIORITY_DEFAULT,
> > - self->cancellable,
> > - spice_file_transfer_task_query_info_cb,
> > - task);
> > -}
> > -
> > -static void spice_file_transfer_task_init_task_async(SpiceFileTransferTask
> > *self,
> > - GAsyncReadyCallback
> > callback,
> > - gpointer userdata)
> > -{
> > - GTask *task;
> > -
> > - g_return_if_fail(self != NULL);
> > - g_return_if_fail(self->pending == FALSE);
> > -
> > - task = g_task_new(self, self->cancellable, callback, userdata);
> > -
> > - self->pending = TRUE;
> > - g_file_read_async(self->file,
> > - G_PRIORITY_DEFAULT,
> > - self->cancellable,
> > - spice_file_transfer_task_read_file_cb,
> > - task);
> > -}
> > -
> > -static GFileInfo
> > *spice_file_transfer_task_init_task_finish(SpiceFileTransferTask *self,
> > - GAsyncResult
> > *result,
> > - GError **error)
> > -{
> > - GTask *task = G_TASK(result);
> > -
> > - g_return_val_if_fail(self != NULL, NULL);
> > -
> > - if (g_task_propagate_boolean(task, error))
> > - return self->file_info;
> > -
> > - return NULL;
> > -}
> > -
> > -static void spice_file_transfer_task_read_stream_cb(GObject *source_object,
> > - GAsyncResult *res,
> > - gpointer userdata)
> > -{
> > - SpiceFileTransferTask *self;
> > - GTask *task;
> > - gssize nbytes;
> > - GError *error = NULL;
> > -
> > - task = G_TASK(userdata);
> > - self = g_task_get_source_object(task);
> > -
> > - g_return_if_fail(self->pending == TRUE);
> > - self->pending = FALSE;
> > -
> > - nbytes = g_input_stream_read_finish(G_INPUT_STREAM(self->file_stream),
> > res, &error);
> > - if (error || self->error) {
> > - error = (error == NULL) ? self->error : error;
> > - g_task_return_error(task, error);
> > - return;
> > - }
> > -
> > - /* The progress here means the amount of data we have _read_ and not what
> > - * was actually sent to the agent. On the next "progress", the previous
> > data
> > - * read was sent. This means that when user see 100%, we are sending the
> > - * last chunk to the guest */
> > - self->read_bytes += nbytes;
> > - g_object_notify(G_OBJECT(self), "progress");
> > -
> > - g_task_return_int(task, nbytes);
> > -}
> > -
> > -/* Any context */
> > -static void spice_file_transfer_task_read_async(SpiceFileTransferTask *self,
> > - GAsyncReadyCallback callback,
> > - gpointer userdata)
> > -{
> > - GTask *task;
> > -
> > - g_return_if_fail(self != NULL);
> > - if (self->pending) {
> > - g_task_report_new_error(self, callback, userdata,
> > - spice_file_transfer_task_read_async,
> > - SPICE_CLIENT_ERROR,
> > - SPICE_CLIENT_ERROR_FAILED,
> > - "Cannot read data in pending state");
> > - return;
> > - }
> > -
> > - task = g_task_new(self, self->cancellable, callback, userdata);
> > -
> > - if (self->read_bytes == self->file_size) {
> > - /* channel-main might can request data after reading the whole file
> > as
> > - * it expects EOF. Let's return immediately its request as we don't
> > want
> > - * to reach a state where agent says file-transfer SUCCEED but we are
> > in
> > - * a PENDING state in SpiceFileTransferTask due reading in idle */
> > - g_task_return_int(task, 0);
> > - return;
> > - }
> > -
> > - self->pending = TRUE;
> > - g_input_stream_read_async(G_INPUT_STREAM(self->file_stream),
> > - self->buffer,
> > - FILE_XFER_CHUNK_SIZE,
> > - G_PRIORITY_DEFAULT,
> > - self->cancellable,
> > - spice_file_transfer_task_read_stream_cb,
> > - task);
> > -}
> > -
> > -static gssize spice_file_transfer_task_read_finish(SpiceFileTransferTask
> > *self,
> > - GAsyncResult *result,
> > - char **buffer,
> > - GError **error)
> > -{
> > - gssize nbytes;
> > - GTask *task = G_TASK(result);
> > -
> > - g_return_val_if_fail(self != NULL, -1);
> > -
> > - nbytes = g_task_propagate_int(task, error);
> > - if (nbytes >= 0 && buffer != NULL)
> > - *buffer = self->buffer;
> > -
> > - return nbytes;
> > -}
> > -
> > -static void spice_file_transfer_task_debug_info(SpiceFileTransferTask *self)
> > -{
> > - const GTimeSpan interval = 20 * G_TIME_SPAN_SECOND;
> > - gint64 now = g_get_monotonic_time();
> > -
> > - if (interval < now - self->last_update) {
> > - gchar *basename = g_file_get_basename(self->file);
> > - self->last_update = now;
> > - SPICE_DEBUG("transferred %.2f%% of the file %s",
> > - 100.0 * self->read_bytes / self->file_size, basename);
> > - g_free(basename);
> > - }
> > -}
> > -
> > -static void
> > -spice_file_transfer_task_get_property(GObject *object,
> > - guint property_id,
> > - GValue *value,
> > - GParamSpec *pspec)
> > -{
> > - SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > -
> > - switch (property_id)
> > - {
> > - case PROP_TASK_ID:
> > - g_value_set_uint(value, self->id);
> > - break;
> > - case PROP_TASK_FILE:
> > - g_value_set_object(value, self->file);
> > - break;
> > - case PROP_TASK_PROGRESS:
> > - g_value_set_double(value,
> > spice_file_transfer_task_get_progress(self));
> > - break;
> > - default:
> > - G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
> > - }
> > -}
> > -
> > -static void
> > -spice_file_transfer_task_set_property(GObject *object,
> > - guint property_id,
> > - const GValue *value,
> > - GParamSpec *pspec)
> > -{
> > - SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > -
> > - switch (property_id)
> > - {
> > - case PROP_TASK_ID:
> > - self->id = g_value_get_uint(value);
> > - break;
> > - case PROP_TASK_FILE:
> > - self->file = g_value_dup_object(value);
> > - break;
> > - case PROP_TASK_CHANNEL:
> > - self->channel = g_value_dup_object(value);
> > - break;
> > - case PROP_TASK_CANCELLABLE:
> > - self->cancellable = g_value_dup_object(value);
> > - break;
> > - default:
> > - G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
> > - }
> > -}
> > -
> > -static void
> > -spice_file_transfer_task_dispose(GObject *object)
> > -{
> > - SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > -
> > - g_clear_object(&self->file);
> > - g_clear_object(&self->file_info);
> > -
> > - G_OBJECT_CLASS(spice_file_transfer_task_parent_class)->dispose(object);
> > -}
> > -
> > -static void
> > -spice_file_transfer_task_finalize(GObject *object)
> > -{
> > - SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > -
> > - g_free(self->buffer);
> > -
> > - G_OBJECT_CLASS(spice_file_transfer_task_parent_class)->finalize(object);
> > -}
> > -
> > -static void
> > -spice_file_transfer_task_constructed(GObject *object)
> > -{
> > - SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > -
> > - if (spice_util_get_debug()) {
> > - gchar *basename = g_file_get_basename(self->file);
> > - self->start_time = g_get_monotonic_time();
> > - self->last_update = self->start_time;
> > -
> > - SPICE_DEBUG("transfer of file %s has started", basename);
> > - g_free(basename);
> > - }
> > -}
> > -
> > -static void
> > -spice_file_transfer_task_class_init(SpiceFileTransferTaskClass *klass)
> > -{
> > - GObjectClass *object_class = G_OBJECT_CLASS(klass);
> > -
> > - object_class->get_property = spice_file_transfer_task_get_property;
> > - object_class->set_property = spice_file_transfer_task_set_property;
> > - object_class->finalize = spice_file_transfer_task_finalize;
> > - object_class->dispose = spice_file_transfer_task_dispose;
> > - object_class->constructed = spice_file_transfer_task_constructed;
> > -
> > - /**
> > - * SpiceFileTransferTask:id:
> > - *
> > - * The ID of the file transfer task
> > - *
> > - * Since: 0.31
> > - **/
> > - g_object_class_install_property(object_class, PROP_TASK_ID,
> > - g_param_spec_uint("id",
> > - "id",
> > - "The id of the task",
> > - 0, G_MAXUINT, 0,
> > - G_PARAM_CONSTRUCT_ONLY
> > | G_PARAM_READWRITE |
> > - G_PARAM_STATIC_STRINGS)
> > );
> > -
> > - /**
> > - * SpiceFileTransferTask:channel:
> > - *
> > - * The main channel that owns the file transfer task
> > - *
> > - * Since: 0.31
> > - **/
> > - g_object_class_install_property(object_class, PROP_TASK_CHANNEL,
> > - g_param_spec_object("channel",
> > - "channel",
> > - "The channel
> > transferring the file",
> > - SPICE_TYPE_MAIN_CHANN
> > EL,
> > - G_PARAM_CONSTRUCT_ONL
> > Y | G_PARAM_READWRITE |
> > - G_PARAM_STATIC_STRING
> > S));
> > -
> > - /**
> > - * SpiceFileTransferTask:cancellable:
> > - *
> > - * A cancellable object used to cancel the file transfer
> > - *
> > - * Since: 0.31
> > - **/
> > - g_object_class_install_property(object_class, PROP_TASK_CANCELLABLE,
> > - g_param_spec_object("cancellable",
> > - "cancellable",
> > - "The object used to
> > cancel the task",
> > - G_TYPE_CANCELLABLE,
> > - G_PARAM_CONSTRUCT_ONL
> > Y | G_PARAM_READWRITE |
> > - G_PARAM_STATIC_STRING
> > S));
> > -
> > - /**
> > - * SpiceFileTransferTask:file:
> > - *
> > - * The file that is being transferred in this file transfer task
> > - *
> > - * Since: 0.31
> > - **/
> > - g_object_class_install_property(object_class, PROP_TASK_FILE,
> > - g_param_spec_object("file",
> > - "File",
> > - "The file being
> > transferred",
> > - G_TYPE_FILE,
> > - G_PARAM_CONSTRUCT_ONL
> > Y | G_PARAM_READWRITE |
> > - G_PARAM_STATIC_STRING
> > S));
> > -
> > - /**
> > - * SpiceFileTransferTask:progress:
> > - *
> > - * The current state of the file transfer. This value indicates a
> > - * percentage, and ranges from 0 to 100. Listen for change notifications
> > on
> > - * this property to be updated whenever the file transfer progress
> > changes.
> > - *
> > - * Since: 0.31
> > - **/
> > - g_object_class_install_property(object_class, PROP_TASK_PROGRESS,
> > - g_param_spec_double("progress",
> > - "Progress",
> > - "The percentage of
> > the file transferred",
> > - 0.0, 100.0, 0.0,
> > - G_PARAM_READABLE |
> > - G_PARAM_STATIC_STRING
> > S));
> > -
> > - /**
> > - * SpiceFileTransferTask::finished:
> > - * @task: the file transfer task that emitted the signal
> > - * @error: (transfer none): the error state of the transfer. Will be
> > %NULL
> > - * if the file transfer was successful.
> > - *
> > - * The #SpiceFileTransferTask::finished signal is emitted when the file
> > - * transfer has completed transferring to the guest.
> > - *
> > - * Since: 0.31
> > - **/
> > - task_signals[SIGNAL_FINISHED] = g_signal_new("finished",
> > SPICE_TYPE_FILE_TRANSFER_TASK,
> > - G_SIGNAL_RUN_FIRST,
> > - 0, NULL, NULL,
> > - g_cclosure_marshal_VOID__BOXED,
> > - G_TYPE_NONE, 1,
> > - G_TYPE_ERROR);
> > -}
> > -
> > -static void
> > -spice_file_transfer_task_init(SpiceFileTransferTask *self)
> > -{
> > - self->buffer = g_malloc0(FILE_XFER_CHUNK_SIZE);
> > -}
> > -
> > -static SpiceFileTransferTask *
> > -spice_file_transfer_task_new(SpiceMainChannel *channel, GFile *file,
> > GCancellable *cancellable)
> > -{
> > - static uint32_t xfer_id = 1; /* Used to identify task id */
> > -
> > - return g_object_new(SPICE_TYPE_FILE_TRANSFER_TASK,
> > - "id", xfer_id++,
> > - "file", file,
> > - "channel", channel,
> > - "cancellable", cancellable,
> > - NULL);
> > -}
> > -
> > -/**
> > - * spice_file_transfer_task_get_progress:
> > - * @self: a file transfer task
> > - *
> > - * Convenience function for retrieving the current progress of this file
> > - * transfer task.
> > - *
> > - * Returns: A percentage value between 0 and 100
> > - *
> > - * Since: 0.31
> > - **/
> > -double spice_file_transfer_task_get_progress(SpiceFileTransferTask *self)
> > -{
> > - if (self->file_size == 0)
> > - return 0.0;
> > -
> > - return (double)self->read_bytes / self->file_size;
> > -}
> > -
> > -/**
> > - * spice_file_transfer_task_cancel:
> > - * @self: a file transfer task
> > - *
> > - * Cancels the file transfer task. Note that depending on how the file
> > transfer
> > - * was initiated, multiple file transfer tasks may share a single
> > - * #SpiceFileTransferTask::cancellable object, so canceling one task may
> > result
> > - * in the cancellation of other tasks.
> > - *
> > - * Since: 0.31
> > - **/
> > -void spice_file_transfer_task_cancel(SpiceFileTransferTask *self)
> > -{
> > - g_cancellable_cancel(self->cancellable);
> > -}
> > -
> > -/**
> > - * spice_file_transfer_task_get_filename:
> > - * @self: a file transfer task
> > - *
> > - * Gets the name of the file being transferred in this task
> > - *
> > - * Returns: (transfer none): The basename of the file
> > - *
> > - * Since: 0.31
> > - **/
> > -char* spice_file_transfer_task_get_filename(SpiceFileTransferTask *self)
> > -{
> > - return g_file_get_basename(self->file);
> > -}
> > diff --git a/src/spice-file-transfer-task-priv.h b/src/spice-file-transfer-
> > task-priv.h
> > new file mode 100644
> > index 0000000..df3ea93
> > --- /dev/null
> > +++ b/src/spice-file-transfer-task-priv.h
> > @@ -0,0 +1,59 @@
> > +/*
> > + Copyright (C) 2016 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/
> > >.
> > +*/
> > +
> > +#ifndef __SPICE_FILE_TRANSFER_TASK_PRIV_H__
> > +#define __SPICE_FILE_TRANSFER_TASK_PRIV_H__
> > +
> > +#include "config.h"
> > +
> > +#include <spice/vd_agent.h>
> > +
> > +#include "spice-client.h"
> > +#include "channel-main.h"
> > +#include "spice-file-transfer-task.h"
> > +#include "spice-channel-priv.h"
> > +
> > +G_BEGIN_DECLS
> > +
> > +void spice_file_transfer_task_completed(SpiceFileTransferTask *self, GError
> > *error);
> > +guint32 spice_file_transfer_task_get_id(SpiceFileTransferTask *self);
> > +SpiceMainChannel *spice_file_transfer_task_get_channel(SpiceFileTransferTask
> > *self);
> > +GCancellable *spice_file_transfer_task_get_cancellable(SpiceFileTransferTask
> > *self);
> > +GHashTable *spice_file_transfer_task_create_tasks(GFile **files,
> > + SpiceMainChannel *channel,
> > + GFileCopyFlags flags,
> > + GCancellable *cancellable);
> > +void spice_file_transfer_task_init_task_async(SpiceFileTransferTask *self,
> > + GAsyncReadyCallback callback,
> > + gpointer userdata);
> > +GFileInfo *spice_file_transfer_task_init_task_finish(SpiceFileTransferTask
> > *xfer_task,
> > + GAsyncResult *result,
> > + GError **error);
> > +void spice_file_transfer_task_read_async(SpiceFileTransferTask *self,
> > + GAsyncReadyCallback callback,
> > + gpointer userdata);
> > +gssize spice_file_transfer_task_read_finish(SpiceFileTransferTask *self,
> > + GAsyncResult *result,
> > + char **buffer,
> > + GError **error);
> > +guint64 spice_file_transfer_task_get_file_size(SpiceFileTransferTask *self);
> > +guint64 spice_file_transfer_task_get_bytes_read(SpiceFileTransferTask *self);
> > +void spice_file_transfer_task_debug_info(SpiceFileTransferTask *self);
> > +
> > +G_END_DECLS
> > +
> > +#endif /* __SPICE_FILE_TRANSFER_TASK_PRIV_H__ */
> > diff --git a/src/spice-file-transfer-task.c b/src/spice-file-transfer-task.c
> > new file mode 100644
> > index 0000000..8bfb1ae
> > --- /dev/null
> > +++ b/src/spice-file-transfer-task.c
> > @@ -0,0 +1,713 @@
> > +/*
> > + Copyright (C) 2016 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 "config.h"
> > +
> > +#include "spice-file-transfer-task-priv.h"
> > +
> > +/**
> > + * SECTION:file-transfer-task
> > + * @short_description: Monitoring file transfers
> > + * @title: File Transfer Task
> > + * @section_id:
> > + * @see_also: #SpiceMainChannel
> > + * @stability: Stable
> > + * @include: spice-client.h
> > + *
> > + * SpiceFileTransferTask is an object that represents a particular file
> > + * transfer between the client and the guest. The properties and signals of
> > the
> > + * object can be used to monitor the status and result of the transfer. The
> > + * Main Channel's #SpiceMainChannel::new-file-transfer signal will be emitted
> > + * whenever a new file transfer task is initiated.
> > + *
> > + * Since: 0.31
> > + */
> > +
> > +struct _SpiceFileTransferTask
> > +{
> > + GObject parent;
> > +
> > + uint32_t id;
> > + gboolean pending;
> > + GFile *file;
> > + SpiceMainChannel *channel;
> > + GFileInputStream *file_stream;
> > + GFileCopyFlags flags;
> > + GCancellable *cancellable;
> > + GAsyncReadyCallback callback;
> > + gpointer user_data;
> > + char *buffer;
> > + uint64_t read_bytes;
> > + GFileInfo *file_info;
> > + uint64_t file_size;
> > + gint64 start_time;
> > + gint64 last_update;
> > + GError *error;
> > +};
> > +
> > +struct _SpiceFileTransferTaskClass
> > +{
> > + GObjectClass parent_class;
> > +};
> > +
> > +G_DEFINE_TYPE(SpiceFileTransferTask, spice_file_transfer_task, G_TYPE_OBJECT)
> > +
> > +#define FILE_XFER_CHUNK_SIZE (VD_AGENT_MAX_DATA_SIZE * 32)
> > +
> > +enum {
> > + PROP_TASK_ID = 1,
> > + PROP_TASK_CHANNEL,
> > + PROP_TASK_CANCELLABLE,
> > + PROP_TASK_FILE,
> > + PROP_TASK_PROGRESS,
> > +};
> > +
> > +enum {
> > + SIGNAL_FINISHED,
> > + LAST_TASK_SIGNAL
> > +};
> > +
> > +static guint task_signals[LAST_TASK_SIGNAL];
> > +
> > +/****************************************************************************
> > ***
> > + * Helpers
> > +
> > ******************************************************************************
> > /
> > +
> > +static SpiceFileTransferTask *
> > +spice_file_transfer_task_new(SpiceMainChannel *channel, GFile *file,
> > GCancellable *cancellable)
> > +{
> > + static uint32_t xfer_id = 1; /* Used to identify task id */
> > +
> > + return g_object_new(SPICE_TYPE_FILE_TRANSFER_TASK,
> > + "id", xfer_id++,
> > + "file", file,
> > + "channel", channel,
> > + "cancellable", cancellable,
> > + NULL);
> > +}
> > +
> > +static void spice_file_transfer_task_query_info_cb(GObject *obj,
> > + GAsyncResult *res,
> > + gpointer user_data)
> > +{
> > + SpiceFileTransferTask *self;
> > + GFileInfo *info;
> > + GTask *task;
> > + GError *error = NULL;
> > +
> > + task = G_TASK(user_data);
> > + self = g_task_get_source_object(task);
> > +
> > + g_return_if_fail(self->pending == TRUE);
> > + self->pending = FALSE;
> > +
> > + info = g_file_query_info_finish(G_FILE(obj), res, &error);
> > + if (error || self->error) {
> > + error = (error == NULL) ? self->error : error;
> > + g_task_return_error(task, error);
> > + return;
> > + }
> > +
> > + self->file_info = info;
> > + self->file_size =
> > + g_file_info_get_attribute_uint64(info,
> > G_FILE_ATTRIBUTE_STANDARD_SIZE);
> > +
> > + /* SpiceFileTransferTask's init is done, handshake for file-trasfer will
> > + * start soon. First "progress" can be emitted ~ 0% */
> > + g_object_notify(G_OBJECT(self), "progress");
> > +
> > + g_task_return_boolean(task, TRUE);
> > +}
> > +
> > +static void spice_file_transfer_task_read_file_cb(GObject *obj,
> > + GAsyncResult *res,
> > + gpointer user_data)
> > +{
> > + SpiceFileTransferTask *self;
> > + GTask *task;
> > + GError *error = NULL;
> > +
> > + task = G_TASK(user_data);
> > + self = g_task_get_source_object(task);
> > +
> > + g_return_if_fail(self->pending == TRUE);
> > +
> > + self->file_stream = g_file_read_finish(G_FILE(obj), res, &error);
> > + if (error || self->error) {
> > + self->pending = FALSE;
> > + error = (error == NULL) ? self->error : error;
> > + g_task_return_error(task, error);
> > + return;
> > + }
> > +
> > + g_file_query_info_async(self->file,
> > + "standard::*",
> > + G_FILE_QUERY_INFO_NONE,
> > + G_PRIORITY_DEFAULT,
> > + self->cancellable,
> > + spice_file_transfer_task_query_info_cb,
> > + task);
> > +}
> > +
> > +static void spice_file_transfer_task_read_stream_cb(GObject *source_object,
> > + GAsyncResult *res,
> > + gpointer userdata)
> > +{
> > + SpiceFileTransferTask *self;
> > + GTask *task;
> > + gssize nbytes;
> > + GError *error = NULL;
> > +
> > + task = G_TASK(userdata);
> > + self = g_task_get_source_object(task);
> > +
> > + g_return_if_fail(self->pending == TRUE);
> > + self->pending = FALSE;
> > +
> > + nbytes = g_input_stream_read_finish(G_INPUT_STREAM(self->file_stream),
> > res, &error);
> > + if (error || self->error) {
> > + error = (error == NULL) ? self->error : error;
> > + g_task_return_error(task, error);
> > + return;
> > + }
> > +
> > + /* The progress here means the amount of data we have _read_ and not what
> > + * was actually sent to the agent. On the next "progress", the previous
> > data
> > + * read was sent. This means that when user see 100%, we are sending the
> > + * last chunk to the guest */
> > + self->read_bytes += nbytes;
> > + g_object_notify(G_OBJECT(self), "progress");
> > +
> > + g_task_return_int(task, nbytes);
> > +}
> > +
> > +/* main context */
> > +static void spice_file_transfer_task_close_stream_cb(GObject *object,
> > + GAsyncResult *close_res,
> > + gpointer user_data)
> > +{
> > + SpiceFileTransferTask *self;
> > + GError *error = NULL;
> > +
> > + self = user_data;
> > +
> > + if (object) {
> > + GInputStream *stream = G_INPUT_STREAM(object);
> > + g_input_stream_close_finish(stream, close_res, &error);
> > + if (error) {
> > + /* This error dont need to report to user, just print a log */
> > + SPICE_DEBUG("close file error: %s", error->message);
> > + g_clear_error(&error);
> > + }
> > + }
> > +
> > + if (self->error == NULL && spice_util_get_debug()) {
> > + gint64 now = g_get_monotonic_time();
> > + gchar *basename = g_file_get_basename(self->file);
> > + double seconds = (double) (now - self->start_time) /
> > G_TIME_SPAN_SECOND;
> > + gchar *file_size_str = g_format_size(self->file_size);
> > + gchar *transfer_speed_str = g_format_size(self->file_size / seconds);
> > +
> > + g_warn_if_fail(self->read_bytes == self->file_size);
> > + SPICE_DEBUG("transferred file %s of %s size in %.1f seconds (%s/s)",
> > + basename, file_size_str, seconds, transfer_speed_str);
> > +
> > + g_free(basename);
> > + g_free(file_size_str);
> > + g_free(transfer_speed_str);
> > + }
> > + g_object_unref(self);
> > +}
> > +
> > +
> > +/****************************************************************************
> > ***
> > + * Internal API
> > +
> > ******************************************************************************
> > /
> > +
> > +G_GNUC_INTERNAL
> > +void spice_file_transfer_task_completed(SpiceFileTransferTask *self,
> > + GError *error)
> > +{
> > + /* In case of multiple errors we only report the first error */
> > + if (self->error)
> > + g_clear_error(&error);
> > + if (error) {
> > + gchar *path = g_file_get_path(self->file);
> > + SPICE_DEBUG("File %s xfer failed: %s",
> > + path, error->message);
> > + g_free(path);
> > + self->error = error;
> > + }
> > +
> > + if (self->pending)
> > + return;
> > +
> > + if (!self->file_stream) {
> > + spice_file_transfer_task_close_stream_cb(NULL, NULL, self);
> > + goto signal;
> > + }
> > +
> > + g_input_stream_close_async(G_INPUT_STREAM(self->file_stream),
> > + G_PRIORITY_DEFAULT,
> > + self->cancellable,
> > + spice_file_transfer_task_close_stream_cb,
> > + self);
> > + self->pending = TRUE;
> > +signal:
> > + g_signal_emit(self, task_signals[SIGNAL_FINISHED], 0, self->error);
> > +}
> > +
> > +G_GNUC_INTERNAL
> > +guint32 spice_file_transfer_task_get_id(SpiceFileTransferTask *self)
> > +{
> > + g_return_val_if_fail(self != NULL, 0);
> > + return self->id;
> > +}
> > +
> > +G_GNUC_INTERNAL
> > +SpiceMainChannel *spice_file_transfer_task_get_channel(SpiceFileTransferTask
> > *self)
> > +{
> > + g_return_val_if_fail(self != NULL, NULL);
> > + return self->channel;
> > +}
> > +
> > +G_GNUC_INTERNAL
> > +GCancellable *spice_file_transfer_task_get_cancellable(SpiceFileTransferTask
> > *self)
> > +{
> > + g_return_val_if_fail(self != NULL, NULL);
> > + return self->cancellable;
> > +}
> > +
> > +G_GNUC_INTERNAL
> > +guint64 spice_file_transfer_task_get_file_size(SpiceFileTransferTask *self)
> > +{
> > + g_return_val_if_fail(self != NULL, 0);
> > + return self->file_size;
> > +}
> > +
> > +G_GNUC_INTERNAL
> > +guint64 spice_file_transfer_task_get_bytes_read(SpiceFileTransferTask *self)
> > +{
> > + g_return_val_if_fail(self != NULL, 0);
> > + return self->read_bytes;
> > +}
> > +
> > +/* Helper function which only creates a SpiceFileTransferTask per GFile
> > + * in @files and returns a HashTable mapping task-id to the task itself
> > + * Note that the HashTable does not free its values uppon destruction:
> > + * The reference created here should be freed by
> > + * spice_file_transfer_task_completed */
> > +G_GNUC_INTERNAL
> > +GHashTable *spice_file_transfer_task_create_tasks(GFile **files,
> > + SpiceMainChannel *channel,
> > + GFileCopyFlags flags,
> > + GCancellable *cancellable)
> > +{
> > + GHashTable *xfer_ht;
> > + gint i;
> > +
> > + g_return_val_if_fail(files != NULL && files[0] != NULL, NULL);
> > +
> > + xfer_ht = g_hash_table_new(g_direct_hash, g_direct_equal);
> > + for (i = 0; files[i] != NULL && !g_cancellable_is_cancelled(cancellable);
> > i++) {
> > + SpiceFileTransferTask *xfer_task;
> > + guint32 task_id;
> > + GCancellable *task_cancellable = cancellable;
> > +
> > + /* if a cancellable object was not provided for the overall
> > operation,
> > + * create a separate object for each file so that they can be
> > cancelled
> > + * separately */
> > + if (!task_cancellable)
> > + task_cancellable = g_cancellable_new();
> > +
> > + xfer_task = spice_file_transfer_task_new(channel, files[i],
> > task_cancellable);
> > + xfer_task->flags = flags;
> > +
> > + task_id = spice_file_transfer_task_get_id(xfer_task);
> > + g_hash_table_insert(xfer_ht, GUINT_TO_POINTER(task_id), xfer_task);
> > +
> > + /* if we created a per-task cancellable above, free it */
> > + if (!cancellable)
> > + g_object_unref(task_cancellable);
> > + }
> > + return xfer_ht;
> > +}
> > +
> > +G_GNUC_INTERNAL
> > +void spice_file_transfer_task_init_task_async(SpiceFileTransferTask *self,
> > + GAsyncReadyCallback callback,
> > + gpointer userdata)
> > +{
> > + GTask *task;
> > +
> > + g_return_if_fail(self != NULL);
> > + g_return_if_fail(self->pending == FALSE);
> > +
> > + task = g_task_new(self, self->cancellable, callback, userdata);
> > +
> > + self->pending = TRUE;
> > + g_file_read_async(self->file,
> > + G_PRIORITY_DEFAULT,
> > + self->cancellable,
> > + spice_file_transfer_task_read_file_cb,
> > + task);
> > +}
> > +
> > +G_GNUC_INTERNAL
> > +GFileInfo *spice_file_transfer_task_init_task_finish(SpiceFileTransferTask
> > *self,
> > + GAsyncResult *result,
> > + GError **error)
> > +{
> > + GTask *task = G_TASK(result);
> > +
> > + g_return_val_if_fail(self != NULL, NULL);
> > +
> > + if (g_task_propagate_boolean(task, error))
> > + return self->file_info;
> > +
> > + return NULL;
> > +}
> > +
> > +/* Any context */
> > +G_GNUC_INTERNAL
> > +void spice_file_transfer_task_read_async(SpiceFileTransferTask *self,
> > + GAsyncReadyCallback callback,
> > + gpointer userdata)
> > +{
> > + GTask *task;
> > +
> > + g_return_if_fail(self != NULL);
> > + if (self->pending) {
> > + g_task_report_new_error(self, callback, userdata,
> > + spice_file_transfer_task_read_async,
> > + SPICE_CLIENT_ERROR,
> > + SPICE_CLIENT_ERROR_FAILED,
> > + "Cannot read data in pending state");
> > + return;
> > + }
> > +
> > + task = g_task_new(self, self->cancellable, callback, userdata);
> > +
> > + if (self->read_bytes == self->file_size) {
> > + /* channel-main might can request data after reading the whole file
> > as
> > + * it expects EOF. Let's return immediately its request as we don't
> > want
> > + * to reach a state where agent says file-transfer SUCCEED but we are
> > in
> > + * a PENDING state in SpiceFileTransferTask due reading in idle */
> > + g_task_return_int(task, 0);
> > + return;
> > + }
> > +
> > + self->pending = TRUE;
> > + g_input_stream_read_async(G_INPUT_STREAM(self->file_stream),
> > + self->buffer,
> > + FILE_XFER_CHUNK_SIZE,
> > + G_PRIORITY_DEFAULT,
> > + self->cancellable,
> > + spice_file_transfer_task_read_stream_cb,
> > + task);
> > +}
> > +
> > +G_GNUC_INTERNAL
> > +gssize spice_file_transfer_task_read_finish(SpiceFileTransferTask *self,
> > + GAsyncResult *result,
> > + char **buffer,
> > + GError **error)
> > +{
> > + gssize nbytes;
> > + GTask *task = G_TASK(result);
> > +
> > + g_return_val_if_fail(self != NULL, -1);
> > +
> > + nbytes = g_task_propagate_int(task, error);
> > + if (nbytes >= 0 && buffer != NULL)
> > + *buffer = self->buffer;
> > +
> > + return nbytes;
> > +}
> > +
> > +G_GNUC_INTERNAL
> > +void spice_file_transfer_task_debug_info(SpiceFileTransferTask *self)
> > +{
> > + const GTimeSpan interval = 20 * G_TIME_SPAN_SECOND;
> > + gint64 now = g_get_monotonic_time();
> > +
> > + if (interval < now - self->last_update) {
> > + gchar *basename = g_file_get_basename(self->file);
> > + self->last_update = now;
> > + SPICE_DEBUG("transferred %.2f%% of the file %s",
> > + 100.0 * self->read_bytes / self->file_size, basename);
> > + g_free(basename);
> > + }
> > +}
> > +
> > +/****************************************************************************
> > ***
> > + * External API
> > +
> > ******************************************************************************
> > /
> > +
> > +/**
> > + * spice_file_transfer_task_get_progress:
> > + * @self: a file transfer task
> > + *
> > + * Convenience function for retrieving the current progress of this file
> > + * transfer task.
> > + *
> > + * Returns: A percentage value between 0 and 100
> > + *
> > + * Since: 0.31
> > + **/
> > +double spice_file_transfer_task_get_progress(SpiceFileTransferTask *self)
> > +{
> > + if (self->file_size == 0)
> > + return 0.0;
> > +
> > + return (double)self->read_bytes / self->file_size;
> > +}
> > +
> > +/**
> > + * spice_file_transfer_task_cancel:
> > + * @self: a file transfer task
> > + *
> > + * Cancels the file transfer task. Note that depending on how the file
> > transfer
> > + * was initiated, multiple file transfer tasks may share a single
> > + * #SpiceFileTransferTask::cancellable object, so canceling one task may
> > result
> > + * in the cancellation of other tasks.
> > + *
> > + * Since: 0.31
> > + **/
> > +void spice_file_transfer_task_cancel(SpiceFileTransferTask *self)
> > +{
> > + g_cancellable_cancel(self->cancellable);
> > +}
> > +
> > +/**
> > + * spice_file_transfer_task_get_filename:
> > + * @self: a file transfer task
> > + *
> > + * Gets the name of the file being transferred in this task
> > + *
> > + * Returns: (transfer none): The basename of the file
> > + *
> > + * Since: 0.31
> > + **/
> > +char* spice_file_transfer_task_get_filename(SpiceFileTransferTask *self)
> > +{
> > + return g_file_get_basename(self->file);
> > +}
> > +
> > +/****************************************************************************
> > ***
> > + * GObject
> > +
> > ******************************************************************************
> > /
> > +
> > +static void
> > +spice_file_transfer_task_get_property(GObject *object,
> > + guint property_id,
> > + GValue *value,
> > + GParamSpec *pspec)
> > +{
> > + SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > +
> > + switch (property_id)
> > + {
> > + case PROP_TASK_ID:
> > + g_value_set_uint(value, self->id);
> > + break;
> > + case PROP_TASK_FILE:
> > + g_value_set_object(value, self->file);
> > + break;
> > + case PROP_TASK_PROGRESS:
> > + g_value_set_double(value,
> > spice_file_transfer_task_get_progress(self));
> > + break;
> > + default:
> > + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
> > + }
> > +}
> > +
> > +static void
> > +spice_file_transfer_task_set_property(GObject *object,
> > + guint property_id,
> > + const GValue *value,
> > + GParamSpec *pspec)
> > +{
> > + SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > +
> > + switch (property_id)
> > + {
> > + case PROP_TASK_ID:
> > + self->id = g_value_get_uint(value);
> > + break;
> > + case PROP_TASK_FILE:
> > + self->file = g_value_dup_object(value);
> > + break;
> > + case PROP_TASK_CHANNEL:
> > + self->channel = g_value_dup_object(value);
> > + break;
> > + case PROP_TASK_CANCELLABLE:
> > + self->cancellable = g_value_dup_object(value);
> > + break;
> > + default:
> > + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
> > + }
> > +}
> > +
> > +static void
> > +spice_file_transfer_task_dispose(GObject *object)
> > +{
> > + SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > +
> > + g_clear_object(&self->file);
> > + g_clear_object(&self->file_info);
> > +
> > + G_OBJECT_CLASS(spice_file_transfer_task_parent_class)->dispose(object);
> > +}
> > +
> > +static void
> > +spice_file_transfer_task_finalize(GObject *object)
> > +{
> > + SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > +
> > + g_free(self->buffer);
> > +
> > + G_OBJECT_CLASS(spice_file_transfer_task_parent_class)->finalize(object);
> > +}
> > +
> > +static void
> > +spice_file_transfer_task_constructed(GObject *object)
> > +{
> > + SpiceFileTransferTask *self = SPICE_FILE_TRANSFER_TASK(object);
> > +
> > + if (spice_util_get_debug()) {
> > + gchar *basename = g_file_get_basename(self->file);
> > + self->start_time = g_get_monotonic_time();
> > + self->last_update = self->start_time;
> > +
> > + SPICE_DEBUG("transfer of file %s has started", basename);
> > + g_free(basename);
> > + }
> > +}
> > +
> > +static void
> > +spice_file_transfer_task_class_init(SpiceFileTransferTaskClass *klass)
> > +{
> > + GObjectClass *object_class = G_OBJECT_CLASS(klass);
> > +
> > + object_class->get_property = spice_file_transfer_task_get_property;
> > + object_class->set_property = spice_file_transfer_task_set_property;
> > + object_class->finalize = spice_file_transfer_task_finalize;
> > + object_class->dispose = spice_file_transfer_task_dispose;
> > + object_class->constructed = spice_file_transfer_task_constructed;
> > +
> > + /**
> > + * SpiceFileTransferTask:id:
> > + *
> > + * The ID of the file transfer task
> > + *
> > + * Since: 0.31
> > + **/
> > + g_object_class_install_property(object_class, PROP_TASK_ID,
> > + g_param_spec_uint("id",
> > + "id",
> > + "The id of the task",
> > + 0, G_MAXUINT, 0,
> > + G_PARAM_CONSTRUCT_ONLY
> > | G_PARAM_READWRITE |
> > + G_PARAM_STATIC_STRINGS)
> > );
> > +
> > + /**
> > + * SpiceFileTransferTask:channel:
> > + *
> > + * The main channel that owns the file transfer task
> > + *
> > + * Since: 0.31
> > + **/
> > + g_object_class_install_property(object_class, PROP_TASK_CHANNEL,
> > + g_param_spec_object("channel",
> > + "channel",
> > + "The channel
> > transferring the file",
> > + SPICE_TYPE_MAIN_CHANN
> > EL,
> > + G_PARAM_CONSTRUCT_ONL
> > Y | G_PARAM_READWRITE |
> > + G_PARAM_STATIC_STRING
> > S));
> > +
> > + /**
> > + * SpiceFileTransferTask:cancellable:
> > + *
> > + * A cancellable object used to cancel the file transfer
> > + *
> > + * Since: 0.31
> > + **/
> > + g_object_class_install_property(object_class, PROP_TASK_CANCELLABLE,
> > + g_param_spec_object("cancellable",
> > + "cancellable",
> > + "The object used to
> > cancel the task",
> > + G_TYPE_CANCELLABLE,
> > + G_PARAM_CONSTRUCT_ONL
> > Y | G_PARAM_READWRITE |
> > + G_PARAM_STATIC_STRING
> > S));
> > +
> > + /**
> > + * SpiceFileTransferTask:file:
> > + *
> > + * The file that is being transferred in this file transfer task
> > + *
> > + * Since: 0.31
> > + **/
> > + g_object_class_install_property(object_class, PROP_TASK_FILE,
> > + g_param_spec_object("file",
> > + "File",
> > + "The file being
> > transferred",
> > + G_TYPE_FILE,
> > + G_PARAM_CONSTRUCT_ONL
> > Y | G_PARAM_READWRITE |
> > + G_PARAM_STATIC_STRING
> > S));
> > +
> > + /**
> > + * SpiceFileTransferTask:progress:
> > + *
> > + * The current state of the file transfer. This value indicates a
> > + * percentage, and ranges from 0 to 100. Listen for change notifications
> > on
> > + * this property to be updated whenever the file transfer progress
> > changes.
> > + *
> > + * Since: 0.31
> > + **/
> > + g_object_class_install_property(object_class, PROP_TASK_PROGRESS,
> > + g_param_spec_double("progress",
> > + "Progress",
> > + "The percentage of
> > the file transferred",
> > + 0.0, 100.0, 0.0,
> > + G_PARAM_READABLE |
> > + G_PARAM_STATIC_STRING
> > S));
> > +
> > + /**
> > + * SpiceFileTransferTask::finished:
> > + * @task: the file transfer task that emitted the signal
> > + * @error: (transfer none): the error state of the transfer. Will be
> > %NULL
> > + * if the file transfer was successful.
> > + *
> > + * The #SpiceFileTransferTask::finished signal is emitted when the file
> > + * transfer has completed transferring to the guest.
> > + *
> > + * Since: 0.31
> > + **/
> > + task_signals[SIGNAL_FINISHED] = g_signal_new("finished",
> > SPICE_TYPE_FILE_TRANSFER_TASK,
> > + G_SIGNAL_RUN_FIRST,
> > + 0, NULL, NULL,
> > + g_cclosure_marshal_VOID__BOXED,
> > + G_TYPE_NONE, 1,
> > + G_TYPE_ERROR);
> > +}
> > +
> > +static void
> > +spice_file_transfer_task_init(SpiceFileTransferTask *self)
> > +{
> > + self->buffer = g_malloc0(FILE_XFER_CHUNK_SIZE);
> > +}
>
> Acked-by: Jonathon Jongsma <jjongsma at redhat.com>
Thanks! I plan to send a v5 with the changes after we agree on the
pending discussions on previous patches :)
Cheers!
toso
>
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