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[libvirt] [PATCH v3 2/3] storage: add SetConnection to iscsi-direct backend



From: Clementine Hayat <clem lse epita fr>

The code to set the connection and connect using libiscsi will always be
the same. Add function to avoid code duplication.

Signed-off-by: Clementine Hayat <clem lse epita fr>
---
 src/storage/storage_backend_iscsi_direct.c | 38 +++++++++++++++-------
 1 file changed, 26 insertions(+), 12 deletions(-)

diff --git a/src/storage/storage_backend_iscsi_direct.c b/src/storage/storage_backend_iscsi_direct.c
index 62b7e0d8bc..7bdd39582b 100644
--- a/src/storage/storage_backend_iscsi_direct.c
+++ b/src/storage/storage_backend_iscsi_direct.c
@@ -557,23 +557,37 @@ virStorageBackendISCSIDirectFindPoolSources(const char *srcSpec,
     return ret;
 }
 
+struct iscsi_context *
+virStorageBackendISCSIDirectSetConnection(virStoragePoolObjPtr pool,
+                                          char **portal)
+{
+    virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
+    struct iscsi_context *iscsi = NULL;
+
+    if (!(*iscsi = virISCSIDirectCreateContext(def->source.initiator.iqn)))
+        return iscsi;
+    if (!(*portal = virStorageBackendISCSIDirectPortal(&def->source)))
+        goto error ;
+    if (virStorageBackendISCSIDirectSetAuth(*iscsi, &def->source) < 0)
+        goto error ;
+    if (virISCSIDirectSetContext(*iscsi, def->source.devices[0].path, ISCSI_SESSION_NORMAL) < 0)
+        goto error ;
+    if (virISCSIDirectConnect(*iscsi, *portal) < 0)
+        goto error ;
+    return iscsi;
+
+ error:
+    iscsi_destroy_context(iscsi);
+    return iscsi;
+}
+
 static int
 virStorageBackendISCSIDirectRefreshPool(virStoragePoolObjPtr pool)
 {
-    virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
     struct iscsi_context *iscsi = NULL;
     char *portal = NULL;
     int ret = -1;
-
-    if (!(iscsi = virISCSIDirectCreateContext(def->source.initiator.iqn)))
-        goto cleanup;
-    if (!(portal = virStorageBackendISCSIDirectPortal(&def->source)))
-        goto cleanup;
-    if (virStorageBackendISCSIDirectSetAuth(iscsi, &def->source) < 0)
-        goto cleanup;
-    if (virISCSIDirectSetContext(iscsi, def->source.devices[0].path, ISCSI_SESSION_NORMAL) < 0)
-        goto cleanup;
-    if (virISCSIDirectConnect(iscsi, portal) < 0)
+    if (!(iscsi = virStorageBackendISCSIDirectSetConnection(pool, &portal)))
         goto cleanup;
     if (virISCSIDirectReportLuns(pool, iscsi, portal) < 0)
         goto disconect;
@@ -581,9 +595,9 @@ virStorageBackendISCSIDirectRefreshPool(virStoragePoolObjPtr pool)
     ret = 0;
  disconect:
     virISCSIDirectDisconnect(iscsi);
+    iscsi_destroy_context(iscsi);
  cleanup:
     VIR_FREE(portal);
-    iscsi_destroy_context(iscsi);
     return ret;
 }
 
-- 
2.18.0


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