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[libvirt] [PATCH] Generate unique socket file



From: Scott Garfinkle <seg us ibm com>

---
 src/qemu/qemu_domain.c                             | 23 +++++++++++++++-------
 .../qemuxml2argv-channel-virtio-unix.args          |  2 +-
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 78e75f1..791d4cf 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -7178,18 +7178,27 @@ int
 qemuDomainPrepareChannel(virDomainChrDefPtr channel,
                          const char *domainChannelTargetDir)
 {
-    if (channel->targetType == VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO &&
-        channel->source->type == VIR_DOMAIN_CHR_TYPE_UNIX &&
-        !channel->source->data.nix.path) {
+    if (channel->targetType != VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO ||
+        channel->source->type != VIR_DOMAIN_CHR_TYPE_UNIX ||
+        channel->source->data.nix.path)
+            return 0;
+
+    if (channel->target.name) {
         if (virAsprintf(&channel->source->data.nix.path,
                         "%s/%s", domainChannelTargetDir,
-                        channel->target.name ? channel->target.name
-                        : "unknown.sock") < 0)
+                        channel->target.name) < 0)
+            return -1;
+    } else {    // Generate a unique name
+        if (virAsprintf(&channel->source->data.nix.path,
+                        "%s/unknown.sock%d%d%d", domainChannelTargetDir,
+                        channel->info.addr.vioserial.controller,
+                        channel->info.addr.vioserial.bus,
+                        channel->info.addr.vioserial.port) < 0)
             return -1;
-
-        channel->source->data.nix.listen = true;
     }
 
+    channel->source->data.nix.listen = true;
+
     return 0;
 }
 
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio-unix.args b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio-unix.args
index 2b72965..c875a09 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio-unix.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio-unix.args
@@ -29,7 +29,7 @@ path=/tmp/channel/domain--1-QEMUGuest1/org.qemu.guest_agent.0,server,nowait \
 -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,\
 id=channel0,name=org.qemu.guest_agent.0 \
 -chardev socket,id=charchannel1,\
-path=/tmp/channel/domain--1-QEMUGuest1/unknown.sock,server,nowait \
+path=/tmp/channel/domain--1-QEMUGuest1/unknown.sock002,server,nowait \
 -device virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,\
 id=channel1 \
 -chardev socket,id=charchannel2,path=/tmp/channel/domain--1-QEMUGuest1/ble,\
-- 
1.8.3.1


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