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[libvirt] [PATCHv2 1/2] VMware: Support more than 2 driver backends



Currently the VMware version check code only supports two types of
VMware backends, Workstation and Player. But in the near future we will
have an additional one so we need to support more. Additionally, we
discover and cache the path to the vmrun binary so we should use that
path when using the cooresponding binary from the VMware VIX SDK.
---

change from v1:
* Added default case so we don't potentially pass NULL to virCommand

---
 src/vmware/vmware_conf.c   | 28 +++++++++++++++++++++++++---
 src/vmware/vmware_driver.c | 20 ++++++++++++++++++--
 2 files changed, 43 insertions(+), 5 deletions(-)

diff --git a/src/vmware/vmware_conf.c b/src/vmware/vmware_conf.c
index 261a4f6..c11c92d 100644
--- a/src/vmware/vmware_conf.c
+++ b/src/vmware/vmware_conf.c
@@ -257,10 +257,30 @@ vmwareExtractVersion(struct vmware_driver *driver)
 {
     unsigned long version = 0;
     int ret = -1;
-    virCommandPtr cmd;
+    virCommandPtr cmd = NULL;
     char * outbuf = NULL;
-    const char * bin = (driver->type == VMWARE_DRIVER_PLAYER) ?
-                 "vmplayer" : "vmware";
+    char *bin = NULL;
+    char *vmwarePath = NULL;
+
+    if ((vmwarePath = mdir_name(driver->vmrun)) == NULL)
+        goto cleanup;
+
+    switch (driver->type) {
+        case VMWARE_DRIVER_PLAYER:
+            if (virAsprintf(&bin, "%s/%s", vmwarePath, "vmplayer"))
+                goto cleanup;
+            break;
+
+        case VMWARE_DRIVER_WORKSTATION:
+            if (virAsprintf(&bin, "%s/%s", vmwarePath, "vmware"))
+                goto cleanup;
+            break;
+
+        default:
+            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("invalid driver type for version detection"));
+            goto cleanup;
+    }
 
     cmd = virCommandNewArgList(bin, "-v", NULL);
     virCommandSetOutputBuffer(cmd, &outbuf);
@@ -276,6 +296,8 @@ vmwareExtractVersion(struct vmware_driver *driver)
 cleanup:
     virCommandFree(cmd);
     VIR_FREE(outbuf);
+    VIR_FREE(bin);
+    VIR_FREE(vmwarePath);
     return ret;
 }
 
diff --git a/src/vmware/vmware_driver.c b/src/vmware/vmware_driver.c
index 4e56971..01d65ed 100644
--- a/src/vmware/vmware_driver.c
+++ b/src/vmware/vmware_driver.c
@@ -93,6 +93,7 @@ vmwareConnectOpen(virConnectPtr conn,
 {
     struct vmware_driver *driver;
     size_t i;
+    char *tmp;
 
     virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
 
@@ -144,8 +145,23 @@ vmwareConnectOpen(virConnectPtr conn,
     if (virMutexInit(&driver->lock) < 0)
         goto cleanup;
 
-    driver->type = STRNEQ(conn->uri->scheme, "vmwareplayer") ?
-      VMWARE_DRIVER_WORKSTATION : VMWARE_DRIVER_PLAYER;
+    if ((tmp = STRSKIP(conn->uri->scheme, "vmware")) == NULL) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, _("unable to parse URI "
+                       "scheme '%s'"), conn->uri->scheme);
+        goto cleanup;
+    }
+
+    driver->type = -1;
+    for (i = 0; i < VMWARE_DRIVER_LAST; i++) {
+        if (STREQ(tmp, vmwareDriverTypeToString(i)))
+            driver->type = i;
+    }
+
+    if (driver->type == -1) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, _("unable to find valid "
+                       "requested VMware backend '%s'"), tmp);
+        goto cleanup;
+    }
 
     if (!(driver->domains = virDomainObjListNew()))
         goto cleanup;
-- 
1.8.1.5


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