From 9f5fe79f2f30ff4a9cfb4b5a528d40ae2a199641 Mon Sep 17 00:00:00 2001
From: Dwight <dmerriman@gmail.com>
Date: Wed, 11 Feb 2009 11:28:49 -0500
Subject: little things: hack for windows filenames, better logging

---
 db/db.cpp         |  1 +
 db/pdfile.cpp     |  5 ++++-
 db/pdfile.h       |  1 +
 db/repl.cpp       |  4 ++++
 util/mmap_win.cpp | 14 +++++++++++++-
 5 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/db/db.cpp b/db/db.cpp
index 56913615486..50c6cbbed3f 100644
--- a/db/db.cpp
+++ b/db/db.cpp
@@ -365,6 +365,7 @@ namespace mongo {
 
 } // namespace mongo
 
+
 using namespace mongo;
 
 int q;
diff --git a/db/pdfile.cpp b/db/pdfile.cpp
index 3d152299077..0b6ace55560 100644
--- a/db/pdfile.cpp
+++ b/db/pdfile.cpp
@@ -228,7 +228,10 @@ namespace mongo {
         assert( size % 4096 == 0 );
 
         header = (MDFHeader *) mmf.map(filename, size);
-        uassert("can't map file memory", header);
+        if( sizeof(char *) == 4 ) 
+            uassert("can't map file memory - mongo requires 64 bit build for larger datasets", header);
+        else
+            uassert("can't map file memory", header);
         // If opening an existing file, this is a no-op.
         header->init(fileNo, size);
     }
diff --git a/db/pdfile.h b/db/pdfile.h
index f83523a5b85..60db3b7ff5c 100644
--- a/db/pdfile.h
+++ b/db/pdfile.h
@@ -426,6 +426,7 @@ namespace mongo {
     }
 
     inline NamespaceDetails* nsdetails(const char *ns) {
+        // if this faults, did you set the current db first?  (DBContext + dblock)
         return nsindex(ns)->details(ns);
     }
 
diff --git a/db/repl.cpp b/db/repl.cpp
index 85aa7299e3a..d69fcc98880 100644
--- a/db/repl.cpp
+++ b/db/repl.cpp
@@ -651,7 +651,11 @@ namespace mongo {
 					BSONElement _id;
 					if( !o.getObjectID(_id) ) {
 						/* No _id.  This will be very slow. */
+                        Timer t;
                         _updateObjects(ns, o, o, true, ss);
+                        if( t.millis() >= 2 ) {
+                            RARELY RARELY log() << "warning, repl doing slow updates (no _id field) for " << ns << endl;
+                        }
                     }
                     else {
                         BSONObjBuilder b;
diff --git a/util/mmap_win.cpp b/util/mmap_win.cpp
index 942011bf7e6..7bafaf81f39 100644
--- a/util/mmap_win.cpp
+++ b/util/mmap_win.cpp
@@ -49,7 +49,19 @@ namespace mongo {
 
     unsigned mapped = 0;
 
-    void* MemoryMappedFile::map(const char *filename, int length) {
+    void* MemoryMappedFile::map(const char *_filename, int length) {
+        /* big hack here: Babble uses db names with colons.  doesn't seem to work on windows.  temporary perhaps. */
+        char filename[256];
+        strncpy(filename, _filename, 255);
+        filename[255] = 0;
+        { 
+            char *p = filename;
+            while( *p ) { 
+                if( *p == ':' ) *p = '_';
+                p++;
+            }
+        }
+
         updateLength( filename, length );
         std::wstring filenamew = toWideString(filename);
 
-- 
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