From ac6167cfa0ed1599fff27c15d19cc0829f5fab21 Mon Sep 17 00:00:00 2001
From: bluebrother <bluebrother@a1c6a512-1295-4272-9138-f99709370657>
Date: Wed, 14 Oct 2009 20:21:23 +0000
Subject: [PATCH] Add cache index file to HttpGet class to maintain a list of
 hash - file origin mappings.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23174 a1c6a512-1295-4272-9138-f99709370657
---
 rbutil/rbutilqt/base/httpget.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/rbutil/rbutilqt/base/httpget.cpp b/rbutil/rbutilqt/base/httpget.cpp
index e808a6381..a412cdf7d 100644
--- a/rbutil/rbutilqt/base/httpget.cpp
+++ b/rbutil/rbutilqt/base/httpget.cpp
@@ -240,6 +240,7 @@ bool HttpGet::getFile(const QUrl &url)
 void HttpGet::getFileFinish()
 {
     m_cachefile = m_cachedir.absolutePath() + "/rbutil-cache/" + m_hash;
+    QString indexFile = m_cachedir.absolutePath() + "/rbutil-cache/cache.txt";
     if(m_usecache) {
         // check if the file is present in cache
         QFileInfo cachefile = QFileInfo(m_cachefile);
@@ -279,6 +280,23 @@ void HttpGet::getFileFinish()
                          << cachefile.lastModified();
             }
             qDebug() << "[HTTP] Cache: caching as" << m_cachefile;
+            // update cache index file
+            QFile idxFile(indexFile);
+            idxFile.open(QIODevice::ReadOnly);
+            QByteArray currLine;
+            do {
+                QByteArray currLine = idxFile.readLine(1000);
+                if(currLine.startsWith(m_hash.toUtf8()))
+                    break;
+            } while(!currLine.isEmpty());
+            idxFile.close();
+            if(currLine.isEmpty()) {
+                idxFile.open(QIODevice::Append);
+                QString outline = m_hash + "\t" + m_header.value("Host") + "\t"
+                    + m_path + "\t" + m_query + "\n";
+                idxFile.write(outline.toUtf8());
+                idxFile.close();
+            }
         }
 
     }
-- 
2.11.4.GIT