fix fetching chunks after they have been added to cache

Author: moonshadow565

lib/rlib/rcache.cpp

@@ -167,8 +167,8 @@ auto RCache::add_internal(RChunk const& chunk, std::span<char const> data) -> vo
         this->flush_internal();
     }
     writer_.chunks.push_back(chunk);
-    rlib_assert(writer_.buffer.append(data));
     lookup_[chunk.chunkId] = {chunk, (BundleID)(files_.size() - 1), writer_.buffer.size() + writer_.toc_offset};
+    rlib_assert(writer_.buffer.append(data));
     auto const buffer_size = writer_.buffer.size();
     auto const current_toc_size = files_.back()->size() - writer_.toc_offset;
     if (buffer_size > current_toc_size && buffer_size - current_toc_size > options_.flush_size) {

lib/rlib/rcdn.cpp

@@ -274,21 +274,8 @@ auto RCDN::get(std::vector<RChunk::Dst> chunks, RChunk::Dst::data_cb on_data) ->
 auto RCDN::get_into(RChunk::Src const& src, std::span<char> dst) -> bool {
     // FIXME: we are only allowed one RCDN per whole program
     thread_local std::unique_ptr<Worker> one_ = {};
-    try {
-        if (cache_ && cache_->get_into(src, dst)) {
-            return true;
-        }
-    } catch (std::exception const& error) {
-        if (!options_.url.empty()) {
-            if (!one_) {
-                one_ = std::make_unique<Worker>(this);
-            }
-            // If we can fetch the chunk again, ignore exceptions
-            if (one_->get_into(src, dst)) {
-                return true;
-            }
-        }
-        throw;
+    if (cache_ && cache_->get_into(src, dst)) {
+        return true;
     }
     if (options_.url.empty()) {
         return false;

src/rman_mount.cpp

@@ -161,6 +161,10 @@ struct Main {
           "auto_unmount",
           "-o",
           "noforget",
+#ifdef _WIN32
+          "-o",
+          "ThreadCount=16",
+#endif
           cli.output.c_str());
     }