[PATCH] bhyve: add domainCreateWithFlags support

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The only supported flag for now is 'autodestroy'. In order to
support 'autodestroy', add support for close callbacks.
---
 src/bhyve/bhyve_driver.c  | 28 +++++++++++++++++++++++++---
 src/bhyve/bhyve_process.c | 29 ++++++++++++++++++++++++++++-
 src/bhyve/bhyve_process.h |  7 ++++++-
 src/bhyve/bhyve_utils.h   |  3 +++
 4 files changed, 62 insertions(+), 5 deletions(-)

diff --git a/src/bhyve/bhyve_driver.c b/src/bhyve/bhyve_driver.c
index ff9ac0d..3d7b7ce 100644
--- a/src/bhyve/bhyve_driver.c
+++ b/src/bhyve/bhyve_driver.c
@@ -176,6 +176,9 @@ bhyveConnectOpen(virConnectPtr conn,
 static int
 bhyveConnectClose(virConnectPtr conn)
 {
+    bhyveConnPtr privconn = conn->privateData;
+
+    virCloseCallbacksRun(privconn->closeCallbacks, conn, privconn->domains, privconn);
     conn->privateData = NULL;
 
     return 0;
@@ -528,16 +531,23 @@ cleanup:
 }
 
 static int
-bhyveDomainCreate(virDomainPtr dom)
+bhyveDomainCreateWithFlags(virDomainPtr dom,
+                           unsigned int flags)
 {
     bhyveConnPtr privconn = dom->conn->privateData;
     virDomainObjPtr vm;
+    unsigned int start_flags = 0;
     int ret = -1;
 
+    virCheckFlags(VIR_DOMAIN_START_AUTODESTROY, -1);
+
+    if (flags & VIR_DOMAIN_START_AUTODESTROY)
+        start_flags |= VIR_BHYVE_PROCESS_START_AUTODESTROY;
+
     if (!(vm = bhyveDomObjFromDomain(dom)))
         goto cleanup;
 
-    if (virDomainCreateEnsureACL(dom->conn, vm->def) < 0)
+    if (virDomainCreateWithFlagsEnsureACL(dom->conn, vm->def) < 0)
         goto cleanup;
 
     if (virDomainObjIsActive(vm)) {
@@ -547,7 +557,8 @@ bhyveDomainCreate(virDomainPtr dom)
     }
 
     ret = virBhyveProcessStart(dom->conn, privconn, vm,
-                               VIR_DOMAIN_RUNNING_BOOTED);
+                               VIR_DOMAIN_RUNNING_BOOTED,
+                               start_flags);
 
 cleanup:
     virObjectUnlock(vm);
@@ -555,6 +566,12 @@ cleanup:
 }
 
 static int
+bhyveDomainCreate(virDomainPtr dom)
+{
+    return bhyveDomainCreateWithFlags(dom, 0);
+}
+
+static int
 bhyveDomainDestroy(virDomainPtr dom)
 {
     bhyveConnPtr privconn = dom->conn->privateData;
@@ -627,6 +644,7 @@ bhyveStateCleanup(void)
     virObjectUnref(bhyve_driver->domains);
     virObjectUnref(bhyve_driver->caps);
     virObjectUnref(bhyve_driver->xmlopt);
+    virObjectUnref(bhyve_driver->closeCallbacks);
 
     virMutexDestroy(&bhyve_driver->lock);
     VIR_FREE(bhyve_driver);
@@ -653,6 +671,9 @@ bhyveStateInitialize(bool priveleged ATTRIBUTE_UNUSED,
         return -1;
     }
 
+    if (!(bhyve_driver->closeCallbacks = virCloseCallbacksNew()))
+        goto cleanup;
+
     if (!(bhyve_driver->caps = bhyveBuildCapabilities()))
         goto cleanup;
 
@@ -709,6 +730,7 @@ static virDriver bhyveDriver = {
     .connectListDefinedDomains = bhyveConnectListDefinedDomains, /* 1.2.2 */
     .connectNumOfDefinedDomains = bhyveConnectNumOfDefinedDomains, /* 1.2.2 */
     .domainCreate = bhyveDomainCreate, /* 1.2.2 */
+    .domainCreateWithFlags = bhyveDomainCreateWithFlags, /* 1.2.3 */
     .domainDestroy = bhyveDomainDestroy, /* 1.2.2 */
     .domainLookupByUUID = bhyveDomainLookupByUUID, /* 1.2.2 */
     .domainLookupByName = bhyveDomainLookupByName, /* 1.2.2 */
diff --git a/src/bhyve/bhyve_process.c b/src/bhyve/bhyve_process.c
index ee85680..05bfe15 100644
--- a/src/bhyve/bhyve_process.c
+++ b/src/bhyve/bhyve_process.c
@@ -44,11 +44,29 @@
 
 #define VIR_FROM_THIS	VIR_FROM_BHYVE
 
+static virDomainObjPtr
+bhyveProcessAutoDestroy(virDomainObjPtr vm,
+                        virConnectPtr conn ATTRIBUTE_UNUSED,
+                        void *opaque)
+{
+    bhyveConnPtr driver = opaque;
+
+    virBhyveProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_DESTROYED);
+
+    if (!vm->persistent) {
+        virDomainObjListRemove(driver->domains, vm);
+        vm = NULL;
+    }
+
+    return vm;
+}
+
 int
 virBhyveProcessStart(virConnectPtr conn,
                      bhyveConnPtr driver,
                      virDomainObjPtr vm,
-                     virDomainRunningReason reason)
+                     virDomainRunningReason reason,
+                     unsigned int flags)
 {
     char *logfile = NULL;
     int logfd = -1;
@@ -130,6 +148,12 @@ virBhyveProcessStart(virConnectPtr conn,
 
         vm->def->id = vm->pid;
         virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, reason);
+
+        if (flags & VIR_BHYVE_PROCESS_START_AUTODESTROY &&
+            virCloseCallbacksSet(driver->closeCallbacks, vm,
+                                 conn, bhyveProcessAutoDestroy) < 0)
+            goto cleanup;
+
     } else {
         goto cleanup;
     }
@@ -201,6 +225,9 @@ virBhyveProcessStop(bhyveConnPtr driver,
 
     ret = 0;
 
+    virCloseCallbacksUnset(driver->closeCallbacks, vm,
+                           bhyveProcessAutoDestroy);
+
     virDomainObjSetState(vm, VIR_DOMAIN_SHUTOFF, reason);
     vm->pid = -1;
     vm->def->id = -1;
diff --git a/src/bhyve/bhyve_process.h b/src/bhyve/bhyve_process.h
index 66548ae..f91504e 100644
--- a/src/bhyve/bhyve_process.h
+++ b/src/bhyve/bhyve_process.h
@@ -27,10 +27,15 @@
 int virBhyveProcessStart(virConnectPtr conn,
                          bhyveConnPtr driver,
                          virDomainObjPtr vm,
-                         virDomainRunningReason reason);
+                         virDomainRunningReason reason,
+                         unsigned int flags);
 
 int virBhyveProcessStop(bhyveConnPtr driver,
                         virDomainObjPtr vm,
                         virDomainShutoffReason reason);
 
+typedef enum {
+    VIR_BHYVE_PROCESS_START_AUTODESTROY = 1 << 0,
+} bhyveProcessStartFlags;
+
 #endif /* __BHYVE_PROCESS_H__ */
diff --git a/src/bhyve/bhyve_utils.h b/src/bhyve/bhyve_utils.h
index 0810caa..6c76770 100644
--- a/src/bhyve/bhyve_utils.h
+++ b/src/bhyve/bhyve_utils.h
@@ -26,6 +26,7 @@
 # include "domain_conf.h"
 # include "configmake.h"
 # include "virthread.h"
+# include "virclosecallbacks.h"
 
 # define BHYVE_AUTOSTART_DIR    SYSCONFDIR "/libvirt/bhyve/autostart"
 # define BHYVE_CONFIG_DIR       SYSCONFDIR "/libvirt/bhyve"
@@ -38,6 +39,8 @@ struct _bhyveConn {
     virCapsPtr caps;
     virDomainXMLOptionPtr xmlopt;
     char *pidfile;
+
+    virCloseCallbacksPtr closeCallbacks;
 };
 
 typedef struct _bhyveConn bhyveConn;
-- 
1.8.4.3

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