From 1dd9568c924ede2b46fa40ea8f7eed03a2ffba1c Mon Sep 17 00:00:00 2001
From: Steve Brokenshire <sbrokenshire@xestia.co.uk>
Date: Sun, 20 Sep 2015 12:54:12 +0100
Subject: [PATCH] Modified ETag system to make it more stable.

---
 source/common/etag.cpp | 24 ++++++++++++++++++++++++
 source/common/etag.h   |  1 +
 2 files changed, 25 insertions(+)

diff --git a/source/common/etag.cpp b/source/common/etag.cpp
index 95e38e4..e4dcef1 100644
--- a/source/common/etag.cpp
+++ b/source/common/etag.cpp
@@ -106,6 +106,30 @@ void ETagDB::UpdateETag(wxString Filename, wxString ETag, wxString ETagOriginal)
     
 }
 
+bool ETagDB::ETagExists(wxString Filename){
+
+    // Lock or wait if it is already locked.
+    
+    ProcessLock->lock();
+    
+    bool FileResult = FALSE;
+    
+    if (FilenameETag.find(Filename) != FilenameETag.end()){
+        
+	FileResult = TRUE;
+           
+    } else {
+    
+	FileResult = FALSE;
+    
+    }
+    
+    // Unlock.
+
+    ProcessLock->unlock();
+
+}
+
 std::map<wxString,wxString>* ETagDB::GetFilenamePointer(){
     
     return &FilenameETag;
diff --git a/source/common/etag.h b/source/common/etag.h
index b81af16..097db40 100644
--- a/source/common/etag.h
+++ b/source/common/etag.h
@@ -33,6 +33,7 @@ public:
     wxString GetETag(wxString Filename);
     wxString GetETagOriginal(wxString Filename);
     bool CheckETagExists(wxString Filename);
+    bool ETagExists(wxString Filename);
     //boost::mutex ProcessLock;
     
     // ETagDB functions.
-- 
2.39.5