[PATCH spice-protocol v3] agent: Add new file-xfer statuses

[Jakub Janků <janku.jakub.jj@xxxxxxxxx>]

Introduce new error statuses to report more info to clients:
VD_AGENT_FILE_XFER_STATUS_SESSION_LOCKED,
VD_AGENT_FILE_XFER_STATUS_VDAGENT_NOT_CONNECTED,
VD_AGENT_FILE_XFER_STATUS_DISABLED

These are only sent to clients that feature
VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS capability.
---
 spice/vd_agent.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/spice/vd_agent.h b/spice/vd_agent.h
index 2a168d0..7109ede 100644
--- a/spice/vd_agent.h
+++ b/spice/vd_agent.h
@@ -100,6 +100,9 @@ enum {
     VD_AGENT_FILE_XFER_STATUS_ERROR,
     VD_AGENT_FILE_XFER_STATUS_SUCCESS,
     VD_AGENT_FILE_XFER_STATUS_NOT_ENOUGH_SPACE,
+    VD_AGENT_FILE_XFER_STATUS_SESSION_LOCKED,
+    VD_AGENT_FILE_XFER_STATUS_VDAGENT_NOT_CONNECTED,
+    VD_AGENT_FILE_XFER_STATUS_DISABLED,
 };
 
 typedef struct SPICE_ATTR_PACKED VDAgentFileXferStatusMessage {
@@ -108,8 +111,11 @@ typedef struct SPICE_ATTR_PACKED VDAgentFileXferStatusMessage {
    /* Used to send additional data for detailed error messages
     * to clients with VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS capability.
     * Type of data varies with the result:
-    * result : data type
+    * result : data type (NULL if no data)
     * VD_AGENT_FILE_XFER_STATUS_NOT_ENOUGH_SPACE : uint64_t
+    * VD_AGENT_FILE_XFER_STATUS_SESSION_LOCKED : NULL
+    * VD_AGENT_FILE_XFER_STATUS_VDAGENT_NOT_CONNECTED : NULL
+    * VD_AGENT_FILE_XFER_STATUS_DISABLED : NULL
     */
    uint8_t data[0];
 } VDAgentFileXferStatusMessage;
-- 
2.9.4

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