From f1aeb02e8374488edda75ca3ad1e9974d3e06980 Mon Sep 17 00:00:00 2001
From: Andreas Joachim Peters <andreas.joachim.peters@cern.ch>
Date: Thu, 13 Jun 2024 12:09:52 +0200
Subject: [PATCH] XrdApps::JCache: fix pgRead type from ChunkInfo to PageInfo
 (which makes it work inside an XRootD Proxy)

---
 .../XrdClJCachePlugin/file/XrdClJCacheFile.cc       | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/XrdApps/XrdClJCachePlugin/file/XrdClJCacheFile.cc b/src/XrdApps/XrdClJCachePlugin/file/XrdClJCacheFile.cc
index 8f3af81f254..f942b882903 100644
--- a/src/XrdApps/XrdClJCachePlugin/file/XrdClJCacheFile.cc
+++ b/src/XrdApps/XrdClJCachePlugin/file/XrdClJCacheFile.cc
@@ -165,6 +165,8 @@ XRootDStatus JCacheFile::Read(uint64_t offset, uint32_t size, void *buffer,
   if (pFile) {
     sStats.bench.AddMeasurement(size);
     if (sEnableJournalCache && AttachForRead()) {
+      mLog->Info(1, "JCache : Read: offset=%llu size=%llu buffer=%x path='%s'",
+                  offset, size, buffer, pUrl.c_str());
       bool eof = false;
       auto rb = pJournal->pread(buffer, size, offset, eof);
       if ((rb == size) || (eof && rb)) {
@@ -218,16 +220,21 @@ XRootDStatus JCacheFile::PgRead(uint64_t offset, uint32_t size, void *buffer,
   if (pFile) {
     sStats.bench.AddMeasurement(size);
     if (sEnableJournalCache && AttachForRead()) {
+      mLog->Info(1, "JCache : PgRead: offset=%llu size=%llu buffer=%x path='%s'",
+                offset, size, buffer, pUrl.c_str());
       bool eof = false;
       auto rb = pJournal->pread(buffer, size, offset, eof);
+
+      mLog->Info(1, "JCache : PgRead: rb=%llu size=%llu eof=%x path='%s'",
+                  rb, size, eof, pUrl.c_str());
       if ((rb == size) || (eof && rb)) {
         pStats->bytesCached += rb;
         pStats->readOps++;
-        // we can only serve success full reads from the cache for now
+        // we can only serve complete reads from the cache for now
         XRootDStatus *ret_st = new XRootDStatus(st);
-        ChunkInfo *chunkInfo = new ChunkInfo(offset, rb, buffer);
+        PageInfo *pageInfo = new PageInfo(offset, rb, buffer);
         AnyObject *obj = new AnyObject();
-        obj->Set(chunkInfo);
+        obj->Set(pageInfo);
         handler->HandleResponse(ret_st, obj);
         st = XRootDStatus(stOK, 0);
         return st;