[Spice-devel] [PATCH spice-vdagent v7 1/3] file-xfer: Add support for sending detailed errors
Victor Toso
victortoso at redhat.com
Mon Jun 5 08:10:19 UTC 2017
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
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
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