Finished the Linux side changes for the "Cleanup during library unload"

issue.

CASA-auth-token/client/library/linux/platform.c

@@ -100,6 +100,9 @@ LIST_ENTRY  normalizedHostNameCacheListHead;
 static
 pthread_mutex_t   g_hNormalizedHostNameCacheMutex = PTHREAD_MUTEX_INITIALIZER;
 
+static
+bool  hostNameNormalizationInitialized = false;
+
 // Client configuration file folder
 char  clientConfigFolder[] = "/etc/CASA/authtoken/client";
 
@@ -832,12 +835,88 @@ InitializeHostNameNormalization(void)
    // Initialize the cache list head
    InitializeListHead(&normalizedHostNameCacheListHead);
 
+   // Remember
+   hostNameNormalizationInitialized = true;
+
    DbgTrace(1, "-InitializeHostNameNormalization- End, retStatus = %08X\n", retStatus);
 
    return retStatus;
 }
 
 
+//++=======================================================================
+void
+UnInitializeHostNameNormalization(void)
+//
+//  Arguments: 
+//
+//  Returns:   
+//
+//  Abstract:  
+//
+//  Notes:
+//
+// L2
+//=======================================================================--
+{
+   LIST_ENTRY                    *pListEntry;
+   NormalizedHostNameCacheEntry  *pEntry = NULL;
+
+   DbgTrace(1, "-UnInitializeHostNameNormalization- Start\n", 0);
+
+   // Proceed if initialization succeeded
+   if (hostNameNormalizationInitialized)
+   {
+      // Free up any normalized host names in our cache
+      pListEntry = normalizedHostNameCacheListHead.Flink;
+      while (pListEntry != &normalizedHostNameCacheListHead)
+      {
+         // Get pointer to the entry
+         pEntry = CONTAINING_RECORD(pListEntry, NormalizedHostNameCacheEntry, listEntry);
+
+         // Remove the entry from the list
+         RemoveEntryList(pListEntry);
+
+         // Free the entry
+         if (pEntry->pHostName)
+            free(pEntry->pHostName);
+
+         if (pEntry->pNormalizedHostName)
+            free(pEntry->pNormalizedHostName);
+
+         free(pEntry);
+
+         // Try to go to the next entry
+         pListEntry = normalizedHostNameCacheListHead.Flink;
+      }
+
+      // Forget about being initialized
+      hostNameNormalizationInitialized = false;
+   }
+
+   DbgTrace(1, "-UnInitializeHostNameNormalization- End", 0);
+}
+
+
+//++=======================================================================
+void __attribute__ ((destructor))
+Lib_fini(void)
+//
+//  Arguments: 
+//
+//  Returns:   
+//
+//  Abstract:  
+//
+//  Notes:
+//
+// L2
+//=======================================================================--
+{
+   UnInitializeLibrary();
+}
+
+
 //++=======================================================================
 //++=======================================================================
 //++=======================================================================

CASA-auth-token/client/library/linux/rpc.c

@@ -46,6 +46,9 @@ CleanupOSSLSupport(void);
 
 //===[ Global variables ]==================================================
 
+static
+bool g_rpcInitialized = false;
+
 
 //++=======================================================================
 size_t
@@ -566,6 +569,7 @@ InitializeRpc(void)
       else
       {
          // Success
+         g_rpcInitialized = true;
          retStatus = CASA_STATUS_SUCCESS;
       }
    }
@@ -580,6 +584,40 @@ InitializeRpc(void)
 }
 
 
+//++=======================================================================
+void
+UnInitializeRpc(void)
+//
+//  Arguments: 
+//
+//  Returns:   
+//
+//  Abstract:  
+//
+//  Notes:
+//
+// L2
+//=======================================================================--
+{
+   DbgTrace(1, "-UnInitializeRpc- Start\n", 0);
+
+   // Only try to cleanup if we were initialized
+   if (g_rpcInitialized)
+   {
+      // Cleanup libcurl
+      curl_global_cleanup();
+
+      // Cleanup OpenSSL support
+      CleanupOSSLSupport();
+
+      // Forget about having been initialized
+      g_rpcInitialized = false;
+   }
+
+   DbgTrace(1, "-UnInitializeRpc- End\n", 0);
+}
+
+
 //++=======================================================================
 //++=======================================================================
 //++=======================================================================