[PATCH 15/21] qemu: monitor: add qemuMonitorNBDServerStartUnix

[Pavel Boldin <pboldin@xxxxxxxxxxxx>]

Add qemuMonitorNBDServerStartUnix used to instruct QEMU to connect
to a UNIX socket as a NBD drive mirror destination.

Signed-off-by: Pavel Boldin <pboldin@xxxxxxxxxxxx>
---
 src/qemu/qemu_monitor.c      | 12 ++++++++++++
 src/qemu/qemu_monitor.h      |  2 ++
 src/qemu/qemu_monitor_json.c | 35 +++++++++++++++++++++++++++++++++++
 src/qemu/qemu_monitor_json.h |  2 ++
 4 files changed, 51 insertions(+)

diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 49d4aa2..9c8e0fe 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -3594,6 +3594,18 @@ qemuMonitorNBDServerStart(qemuMonitorPtr mon,
 
 
 int
+qemuMonitorNBDServerStartUnix(qemuMonitorPtr mon,
+                              const char *file)
+{
+    VIR_DEBUG("file=%s", file);
+
+    QEMU_CHECK_MONITOR_JSON(mon);
+
+    return qemuMonitorJSONNBDServerStartUnix(mon, file);
+}
+
+
+int
 qemuMonitorNBDServerAdd(qemuMonitorPtr mon,
                         const char *deviceID,
                         bool writable)
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 2ce3958..e94ac93 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -873,6 +873,8 @@ char *qemuMonitorGetTargetArch(qemuMonitorPtr mon);
 int qemuMonitorNBDServerStart(qemuMonitorPtr mon,
                               const char *host,
                               unsigned int port);
+int qemuMonitorNBDServerStartUnix(qemuMonitorPtr mon,
+                                  const char *path);
 int qemuMonitorNBDServerAdd(qemuMonitorPtr mon,
                             const char *deviceID,
                             bool writable);
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index b39b29b..ef162a4 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -5749,6 +5749,41 @@ qemuMonitorJSONNBDServerStart(qemuMonitorPtr mon,
 }
 
 int
+qemuMonitorJSONNBDServerStartUnix(qemuMonitorPtr mon,
+                                  const char *file)
+{
+    int ret = -1;
+    virJSONValuePtr cmd = NULL;
+    virJSONValuePtr reply = NULL;
+    virJSONValuePtr addr = NULL;
+
+    if (!(addr = qemuMonitorJSONBuildUnixSocketAddress(file)))
+        return ret;
+
+    if (!(cmd = qemuMonitorJSONMakeCommand("nbd-server-start",
+                                           "a:addr", addr,
+                                           NULL)))
+        goto cleanup;
+
+    /* From now on, @addr is part of @cmd */
+    addr = NULL;
+
+    if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
+        goto cleanup;
+
+    if (qemuMonitorJSONCheckError(cmd, reply) < 0)
+        goto cleanup;
+
+    ret = 0;
+
+ cleanup:
+    virJSONValueFree(reply);
+    virJSONValueFree(cmd);
+    virJSONValueFree(addr);
+    return ret;
+}
+
+int
 qemuMonitorJSONNBDServerAdd(qemuMonitorPtr mon,
                             const char *deviceID,
                             bool writable)
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index 120bd93..28e17c0 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -441,6 +441,8 @@ char *qemuMonitorJSONGetTargetArch(qemuMonitorPtr mon);
 int qemuMonitorJSONNBDServerStart(qemuMonitorPtr mon,
                                   const char *host,
                                   unsigned int port);
+int qemuMonitorJSONNBDServerStartUnix(qemuMonitorPtr mon,
+                                      const char *path);
 int qemuMonitorJSONNBDServerAdd(qemuMonitorPtr mon,
                                 const char *deviceID,
                                 bool writable);
-- 
1.9.1

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