[Spice-devel] [PATCH spice-vdagent v7 1/3] file-xfer: Add support for sending detailed errors
Victor Toso
victortoso at redhat.com
Fri Jun 30 15:07:52 UTC 2017
Hi,
On Mon, Jun 05, 2017 at 10:10:19AM +0200, Victor Toso wrote:
> Hi,
>
> On Sun, Jun 04, 2017 at 10:25:54PM +0200, Jakub Janků wrote:
> > Generalize send_file_xfer_status() to send all file xfer statuses, not just
> > errors.
> >
> > Change send_file_xfer_status() to support sending detailed file xfer status
> > messages with additional error data.
> > ---
> > configure.ac | 2 +-
> > src/vdagentd/vdagentd.c | 60 ++++++++++++++++++++++++++++++++-----------------
> > 2 files changed, 40 insertions(+), 22 deletions(-)
> >
> > diff --git a/configure.ac b/configure.ac
> > index 0c2cfd8..f207240 100644
> > --- a/configure.ac
> > +++ b/configure.ac
> > @@ -79,7 +79,7 @@ AC_ARG_ENABLE([static-uinput],
> >
> > PKG_CHECK_MODULES([GLIB2], [glib-2.0 >= 2.28])
> > PKG_CHECK_MODULES(X, [xfixes xrandr >= 1.3 xinerama x11])
> > -PKG_CHECK_MODULES(SPICE, [spice-protocol >= 0.12.8])
> > +PKG_CHECK_MODULES(SPICE, [spice-protocol >= 0.12.13])
> > PKG_CHECK_MODULES(ALSA, [alsa >= 1.0.22])
> > PKG_CHECK_MODULES([DBUS], [dbus-1])
> >
> > diff --git a/src/vdagentd/vdagentd.c b/src/vdagentd/vdagentd.c
> > index f3ac606..64819d0 100644
> > --- a/src/vdagentd/vdagentd.c
> > +++ b/src/vdagentd/vdagentd.c
> > @@ -301,20 +301,38 @@ static void do_client_clipboard(struct vdagent_virtio_port *vport,
> > data, size);
> > }
> >
> > -/* To be used by vdagentd for failures in file-xfer such as when file-xfer was
> > - * cancelled or an error happened */
> > +/* Send file-xfer status to the client. In the case status is an error,
> > + * optional data for the client and log message may be specified. */
> > static void send_file_xfer_status(struct vdagent_virtio_port *vport,
> > - const char *msg, uint32_t id, uint32_t xfer_status)
> > + const char *msg, uint32_t id, uint32_t xfer_status,
> > + const uint8_t *data, uint32_t data_size)
> > {
> > - VDAgentFileXferStatusMessage status = {
> > - .id = GUINT32_TO_LE(id),
> > - .result = GUINT32_TO_LE(xfer_status),
> > - };
> > - syslog(LOG_WARNING, msg, id);
> > + VDAgentFileXferStatusMessage *status;
> > +
> > + /* Replace new detailed errors with older generic VD_AGENT_FILE_XFER_STATUS_ERROR
> > + * when not supported by client */
> > + if (xfer_status > VD_AGENT_FILE_XFER_STATUS_SUCCESS &&
> > + !VD_AGENT_HAS_CAPABILITY(capabilities, capabilities_size,
> > + VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS)) {
> > + xfer_status = VD_AGENT_FILE_XFER_STATUS_ERROR;
> > + data_size = 0;
> > + }
> > +
> > + status = malloc(sizeof(*status) + data_size);
> > + status->id = GUINT32_TO_LE(id);
> > + status->result = GUINT32_TO_LE(xfer_status);
> > + if (data)
> > + memcpy(status->data, data, data_size);
> > +
> > + if (msg)
> > + syslog(LOG_WARNING, msg, id);
> > +
> > if (vport)
> > vdagent_virtio_port_write(vport, VDP_CLIENT_PORT,
> > VD_AGENT_FILE_XFER_STATUS, 0,
> > - (uint8_t *)&status, sizeof(status));
> > + (uint8_t *)status, sizeof(*status) + data_size);
> > +
> > + free(status);
> > }
> >
> > static void do_client_file_xfer(struct vdagent_virtio_port *vport,
> > @@ -331,14 +349,14 @@ static void do_client_file_xfer(struct vdagent_virtio_port *vport,
> > send_file_xfer_status(vport,
> > "Could not find an agent connection belonging to the "
> > "active session, cancelling client file-xfer request %u",
> > - s->id, VD_AGENT_FILE_XFER_STATUS_CANCELLED);
> > + s->id, VD_AGENT_FILE_XFER_STATUS_CANCELLED, NULL, 0);
> > return;
> > } else if (session_info_session_is_locked(session_info)) {
> > syslog(LOG_DEBUG, "Session is locked, skipping file-xfer-start");
> > send_file_xfer_status(vport,
> > "User's session is locked and cannot start file transfer. "
> > "Cancelling client file-xfer request %u",
> > - s->id, VD_AGENT_FILE_XFER_STATUS_ERROR);
> > + s->id, VD_AGENT_FILE_XFER_STATUS_ERROR, NULL, 0);
> > return;
> > }
> > udscs_write(active_session_conn, VDAGENTD_FILE_XFER_START, 0, 0,
> > @@ -810,7 +828,7 @@ static gboolean remove_active_xfers(gpointer key, gpointer value, gpointer conn)
> > send_file_xfer_status(virtio_port,
> > "Agent disc; cancelling file-xfer %u",
> > GPOINTER_TO_UINT(key),
> > - VD_AGENT_FILE_XFER_STATUS_CANCELLED);
> > + VD_AGENT_FILE_XFER_STATUS_CANCELLED, NULL, 0);
> > return 1;
> > } else
> > return 0;
> > @@ -903,17 +921,17 @@ static void agent_read_complete(struct udscs_connection **connp,
> > }
> > break;
> > case VDAGENTD_FILE_XFER_STATUS:{
> > - VDAgentFileXferStatusMessage status;
> > - status.id = GUINT32_TO_LE(header->arg1);
> > - status.result = GUINT32_TO_LE(header->arg2);
> > - vdagent_virtio_port_write(virtio_port, VDP_CLIENT_PORT,
> > - VD_AGENT_FILE_XFER_STATUS, 0,
> > - (uint8_t *)&status, sizeof(status));
> > - if (status.result == VD_AGENT_FILE_XFER_STATUS_CAN_SEND_DATA)
> > - g_hash_table_insert(active_xfers, GUINT_TO_POINTER(status.id),
> > + /* header->arg1 = file xfer task id, header->arg2 = file xfer status */
> > + switch (header->arg2) {
> > + default:
> > + send_file_xfer_status(virtio_port, NULL, header->arg1, header->arg2, NULL, 0);
> > + }
>
> A switch () with default only is a bit strange but I understand that
> this is a preparatory patch for the following one. Works for me.
>
> For the series,
> Acked-by: Victor Toso <victortoso at redhat.com>
>
> I'll add a reference to the bug number [0] in the commit log before
> pushing (by the end of the day if nobody complains about it)
>
> [0] https://bugs.freedesktop.org/show_bug.cgi?id=99982
I forgot to push :)
Now pushed!
commit 3760f8618c3131c37fc71281f7321f38bfe2a25f
Author: Jakub Janků <janku.jakub.jj at gmail.com>
file-xfer: Check free space before file transfer
commit ca89a0102cd18d94ee87f0ed4aab568988fdd7c3
Author: Jakub Janků <janku.jakub.jj at gmail.com>
file-xfer: Add support for sending detailed errors
>
> Thanks again,
> toso
>
> > +
> > + if (header->arg2 == VD_AGENT_FILE_XFER_STATUS_CAN_SEND_DATA)
> > + g_hash_table_insert(active_xfers, GUINT_TO_POINTER(GUINT32_TO_LE(header->arg1)),
> > *connp);
> > else
> > - g_hash_table_remove(active_xfers, GUINT_TO_POINTER(status.id));
> > + g_hash_table_remove(active_xfers, GUINT_TO_POINTER(GUINT32_TO_LE(header->arg1)));
> > break;
> > }
> >
> > --
> > 2.9.4
> >
> > _______________________________________________
> > Spice-devel mailing list
> > Spice-devel at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/spice-devel
> _______________________________________________
> Spice-devel mailing list
> Spice-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/spice-devel
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