[libvirt] [PATCH] qemu: handle missing bind host/service on chardev hotplug
On domain startup, bind host or bind service can be omitted
and we will format a working command line.
Extend this to hotplug as well and specify the service to QEMU
even if the host is missing.
https://bugzilla.redhat.com/show_bug.cgi?id=1452441
---
src/qemu/qemu_monitor_json.c | 13 ++++++++++---
tests/qemumonitorjsontest.c | 11 +++++++++++
2 files changed, 21 insertions(+), 3 deletions(-)
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 0837290..ca9bb14 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -6429,6 +6429,8 @@ qemuMonitorJSONAttachCharDevCommand(const char *chrID,
virJSONValuePtr data = NULL;
virJSONValuePtr addr = NULL;
const char *backend_type = NULL;
+ const char *host;
+ const char *port;
char *tlsalias = NULL;
bool telnet;
@@ -6492,9 +6494,14 @@ qemuMonitorJSONAttachCharDevCommand(const char *chrID,
virJSONValueObjectAppend(data, "remote", addr) < 0)
goto error;
- if (chr->data.udp.bindHost) {
- addr = qemuMonitorJSONBuildInetSocketAddress(chr->data.udp.bindHost,
- chr->data.udp.bindService);
+ host = chr->data.udp.bindHost;
+ port = chr->data.udp.bindService;
+ if (host || port) {
+ if (!host)
+ host = "";
+ if (!port)
+ port = "";
+ addr = qemuMonitorJSONBuildInetSocketAddress(host, port);
if (!addr ||
virJSONValueObjectAppend(data, "local", addr) < 0)
goto error;
diff --git a/tests/qemumonitorjsontest.c b/tests/qemumonitorjsontest.c
index e9f9d47..3de901c 100644
--- a/tests/qemumonitorjsontest.c
+++ b/tests/qemumonitorjsontest.c
@@ -895,6 +895,17 @@ qemuMonitorJSONTestAttachChardev(virDomainXMLOptionPtr xmlopt)
"'data':{'host':'localhost',"
"'port':'4321'}}}}}");
+ chr.data.udp.bindHost = NULL;
+ chr.data.udp.bindService = (char *) "4321";
+ CHECK("udp", false,
+ "{'id':'alias',"
+ "'backend':{'type':'udp',"
+
"'data':{'remote':{'type':'inet',"
+
"'data':{'host':'example.com',"
+
"'port':'1234'}},"
+
"'local':{'type':'inet',"
+
"'data':{'host':'',"
+
"'port':'4321'}}}}}");
memset(&chr, 0, sizeof(chr));
chr.type = VIR_DOMAIN_CHR_TYPE_UNIX;
chr.data.nix.path = (char *) "/path/to/socket";
--
2.10.2