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[libvirt] [PATCHv2] Emit graphics events when a SPICE client connects/disconnects



Wire up the domain graphics event notifications for SPICE. Adapted
from a RHEL-only patch written by Dan Berrange that used custom
__com.redhat_SPICE events - equivalent events are now available in
upstream QEMU (including a SPICE_CONNECTED event, which was missing in
the __COM.redhat_SPICE version).

* src/qemu/qemu_monitor_json.c: Wire up SPICE graphics events
---

V2: fix copy-paste typos checking for wrong strings.
    Not adding any interpretation of parameters, as this patch
    is just achieving parity with RHEL-specific build.

 src/qemu/qemu_monitor_json.c |   56 +++++++++++++++++++++++++++++++++++++++---
 1 files changed, 52 insertions(+), 4 deletions(-)

diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 1a0ee94..ce68e69 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -59,6 +59,9 @@ static void qemuMonitorJSONHandleVNCConnect(qemuMonitorPtr mon, virJSONValuePtr
 static void qemuMonitorJSONHandleVNCInitialize(qemuMonitorPtr mon, virJSONValuePtr data);
 static void qemuMonitorJSONHandleVNCDisconnect(qemuMonitorPtr mon, virJSONValuePtr data);
 static void qemuMonitorJSONHandleBlockJob(qemuMonitorPtr mon, virJSONValuePtr data);
+static void qemuMonitorJSONHandleSPICEConnect(qemuMonitorPtr mon, virJSONValuePtr data);
+static void qemuMonitorJSONHandleSPICEInitialize(qemuMonitorPtr mon, virJSONValuePtr data);
+static void qemuMonitorJSONHandleSPICEDisconnect(qemuMonitorPtr mon, virJSONValuePtr data);
 
 static struct {
     const char *type;
@@ -75,6 +78,9 @@ static struct {
     { "VNC_INITIALIZED", qemuMonitorJSONHandleVNCInitialize, },
     { "VNC_DISCONNECTED", qemuMonitorJSONHandleVNCDisconnect, },
     { "BLOCK_JOB_COMPLETED", qemuMonitorJSONHandleBlockJob, },
+    { "SPICE_CONNECTED", qemuMonitorJSONHandleSPICEConnect, },
+    { "SPICE_INITIALIZED", qemuMonitorJSONHandleSPICEInitialize, },
+    { "SPICE_DISCONNECTED", qemuMonitorJSONHandleSPICEDisconnect, },
 };
 
 
@@ -624,7 +630,7 @@ VIR_ENUM_IMPL(qemuMonitorGraphicsAddressFamily,
               VIR_DOMAIN_EVENT_GRAPHICS_ADDRESS_LAST,
               "ipv4", "ipv6", "unix");
 
-static void qemuMonitorJSONHandleVNC(qemuMonitorPtr mon, virJSONValuePtr data, int phase)
+static void qemuMonitorJSONHandleGraphics(qemuMonitorPtr mon, virJSONValuePtr data, int phase)
 {
     const char *localNode, *localService, *localFamily;
     const char *remoteNode, *remoteService, *remoteFamily;
@@ -643,14 +649,38 @@ static void qemuMonitorJSONHandleVNC(qemuMonitorPtr mon, virJSONValuePtr data, i
     }
 
     authScheme = virJSONValueObjectGetString(server, "auth");
+    if (!authScheme) {
+        VIR_WARN("missing auth scheme in graphics event");
+        return;
+    }
 
     localFamily = virJSONValueObjectGetString(server, "family");
+    if (!localFamily) {
+        VIR_WARN("missing local address family in graphics event");
+        return;
+    }
     localNode = virJSONValueObjectGetString(server, "host");
+    if (!localNode) {
+        VIR_WARN("missing local hostname in graphics event");
+        return;
+    }
     localService = virJSONValueObjectGetString(server, "service");
+    if (!localService)
+        localService = ""; /* Spice has multiple ports, so this isn't provided */
 
     remoteFamily = virJSONValueObjectGetString(client, "family");
+    if (!remoteFamily) {
+        VIR_WARN("missing remote address family in graphics event");
+        return;
+    }
     remoteNode = virJSONValueObjectGetString(client, "host");
+    if (!remoteNode) {
+        VIR_WARN("missing remote hostname in graphics event");
+        return;
+    }
     remoteService = virJSONValueObjectGetString(client, "service");
+    if (!remoteService)
+        remoteService = ""; /* Spice has multiple ports, so this isn't provided */
 
     saslUsername = virJSONValueObjectGetString(client, "sasl_username");
     x509dname = virJSONValueObjectGetString(client, "x509_dname");
@@ -672,19 +702,37 @@ static void qemuMonitorJSONHandleVNC(qemuMonitorPtr mon, virJSONValuePtr data, i
 
 static void qemuMonitorJSONHandleVNCConnect(qemuMonitorPtr mon, virJSONValuePtr data)
 {
-    qemuMonitorJSONHandleVNC(mon, data, VIR_DOMAIN_EVENT_GRAPHICS_CONNECT);
+    qemuMonitorJSONHandleGraphics(mon, data, VIR_DOMAIN_EVENT_GRAPHICS_CONNECT);
 }
 
 
 static void qemuMonitorJSONHandleVNCInitialize(qemuMonitorPtr mon, virJSONValuePtr data)
 {
-    qemuMonitorJSONHandleVNC(mon, data, VIR_DOMAIN_EVENT_GRAPHICS_INITIALIZE);
+    qemuMonitorJSONHandleGraphics(mon, data, VIR_DOMAIN_EVENT_GRAPHICS_INITIALIZE);
 }
 
 
 static void qemuMonitorJSONHandleVNCDisconnect(qemuMonitorPtr mon, virJSONValuePtr data)
 {
-    qemuMonitorJSONHandleVNC(mon, data, VIR_DOMAIN_EVENT_GRAPHICS_DISCONNECT);
+    qemuMonitorJSONHandleGraphics(mon, data, VIR_DOMAIN_EVENT_GRAPHICS_DISCONNECT);
+}
+
+
+static void qemuMonitorJSONHandleSPICEConnect(qemuMonitorPtr mon, virJSONValuePtr data)
+{
+    qemuMonitorJSONHandleGraphics(mon, data, VIR_DOMAIN_EVENT_GRAPHICS_CONNECT);
+}
+
+
+static void qemuMonitorJSONHandleSPICEInitialize(qemuMonitorPtr mon, virJSONValuePtr data)
+{
+    qemuMonitorJSONHandleGraphics(mon, data, VIR_DOMAIN_EVENT_GRAPHICS_INITIALIZE);
+}
+
+
+static void qemuMonitorJSONHandleSPICEDisconnect(qemuMonitorPtr mon, virJSONValuePtr data)
+{
+    qemuMonitorJSONHandleGraphics(mon, data, VIR_DOMAIN_EVENT_GRAPHICS_DISCONNECT);
 }
 
 static void qemuMonitorJSONHandleBlockJob(qemuMonitorPtr mon, virJSONValuePtr data)
-- 
1.7.7.6


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