vz: save session uuid on login

This session uuid acts as authN token for different multihost vz operations one
of which is migration. Unfortunately we can't get it from server at any time
thus we need to save it at login.
Signed-off-by: NNikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>

src/vz/vz_sdk.c

@@ -37,6 +37,9 @@
 #define VIR_FROM_THIS VIR_FROM_PARALLELS
 #define JOB_INFINIT_WAIT_TIMEOUT UINT_MAX
 
+static int
+prlsdkUUIDParse(const char *uuidstr, unsigned char *uuid);
+
 VIR_LOG_INIT("parallels.sdk");
 
 /*
@@ -268,24 +271,43 @@ prlsdkDeinit(void)
 int
 prlsdkConnect(vzDriverPtr driver)
 {
-    PRL_RESULT ret;
+    int ret = -1;
+    PRL_RESULT pret;
     PRL_HANDLE job = PRL_INVALID_HANDLE;
+    PRL_HANDLE result = PRL_INVALID_HANDLE;
+    PRL_HANDLE response = PRL_INVALID_HANDLE;
+    char session_uuid[VIR_UUID_STRING_BUFLEN + 2];
 
-    ret = PrlSrv_Create(&driver->server);
-    if (PRL_FAILED(ret)) {
-        logPrlError(ret);
-        return -1;
-    }
+    pret = PrlSrv_Create(&driver->server);
+    prlsdkCheckRetExit(pret, -1);
 
     job = PrlSrv_LoginLocalEx(driver->server, NULL, 0,
                               PSL_HIGH_SECURITY, PACF_NON_INTERACTIVE_MODE);
+    if (PRL_FAILED(getJobResult(job, &result)))
+        goto cleanup;
 
-    if (waitJob(job)) {
+    pret = PrlResult_GetParam(result, &response);
+    prlsdkCheckRetGoto(pret, cleanup);
+
+    pret = prlsdkGetStringParamBuf(PrlLoginResponse_GetSessionUuid,
+                                   response, session_uuid, sizeof(session_uuid));
+    prlsdkCheckRetGoto(pret, cleanup);
+
+    if (prlsdkUUIDParse(session_uuid, driver->session_uuid) < 0)
+        goto cleanup;
+
+    ret = 0;
+
+ cleanup:
+    if (ret < 0) {
         PrlHandle_Free(driver->server);
-        return -1;
+        driver->server = PRL_INVALID_HANDLE;
     }
 
-    return 0;
+    PrlHandle_Free(result);
+    PrlHandle_Free(response);
+
+    return ret;
 }
 
 void

src/vz/vz_utils.h

@@ -66,7 +66,7 @@ struct _vzDriver {
 
     /* Immutable pointer, self-locking APIs */
     virDomainObjListPtr domains;
-
+    unsigned char session_uuid[VIR_UUID_BUFLEN];
     PRL_HANDLE server;
     virCapsPtr caps;
     virDomainXMLOptionPtr xmlopt;