From d74beda0913a514a2bc6af2b4d1824a5cd7614fc Mon Sep 17 00:00:00 2001
From: Lars Quentin <lars.quentin@stud.uni-goettingen.de>
Date: Mon, 26 Feb 2024 12:18:03 +0100
Subject: [PATCH] handle new access pattern in Rust code

---
 .gitignore                                      | 3 +++
 blackheap-benchmarker/src/c_code/benchmarker.rs | 2 ++
 blackheap-benchmarker/src/lib.rs                | 5 +++++
 3 files changed, 10 insertions(+)

diff --git a/.gitignore b/.gitignore
index 2ee01cd..4714898 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# debug files
+results_debug/
+
 # Generated by Cargo
 # will have compiled files and executables
 debug/
diff --git a/blackheap-benchmarker/src/c_code/benchmarker.rs b/blackheap-benchmarker/src/c_code/benchmarker.rs
index 4596efa..dae6691 100644
--- a/blackheap-benchmarker/src/c_code/benchmarker.rs
+++ b/blackheap-benchmarker/src/c_code/benchmarker.rs
@@ -52,6 +52,7 @@ fn bindgen_test_layout_max_align_t() {
 pub const access_pattern_ACCESS_PATTERN_CONST: access_pattern = 0;
 pub const access_pattern_ACCESS_PATTERN_SEQUENTIAL: access_pattern = 1;
 pub const access_pattern_ACCESS_PATTERN_RANDOM: access_pattern = 2;
+pub const access_pattern_ACCESS_PATTERN_REVERSE: access_pattern = 3;
 pub type access_pattern = ::std::os::raw::c_uint;
 pub const error_codes_ERROR_CODES_SUCCESS: error_codes = 0;
 pub const error_codes_ERROR_CODES_MALLOC_FAILED: error_codes = 1;
@@ -66,6 +67,7 @@ pub const error_codes_ERROR_CODES_REMOVE_FAILED: error_codes = 9;
 pub const error_codes_ERROR_CODES_DROP_PAGE_CACHE_FAILED_NO_PERMISSIONS: error_codes = 10;
 pub const error_codes_ERROR_CODES_DROP_PAGE_CACHE_FAILED_OTHER: error_codes = 11;
 pub const error_codes_ERROR_CODES_INCORRECT_FILE_BUFFER_SIZE: error_codes = 12;
+pub const error_codes_ERROR_CODES_TOO_SMALL_FILE_BUFFER: error_codes = 13;
 pub type error_codes = ::std::os::raw::c_uint;
 #[repr(C)]
 #[derive(Debug, Copy, Clone)]
diff --git a/blackheap-benchmarker/src/lib.rs b/blackheap-benchmarker/src/lib.rs
index 601dea0..739ff5a 100644
--- a/blackheap-benchmarker/src/lib.rs
+++ b/blackheap-benchmarker/src/lib.rs
@@ -10,6 +10,7 @@ pub enum AccessPattern {
     Const,
     Sequential,
     Random,
+    Reverse,
 }
 
 impl AccessPattern {
@@ -18,6 +19,7 @@ impl AccessPattern {
             Self::Const => b::access_pattern_ACCESS_PATTERN_CONST,
             Self::Sequential => b::access_pattern_ACCESS_PATTERN_SEQUENTIAL,
             Self::Random => b::access_pattern_ACCESS_PATTERN_RANDOM,
+            Self::Reverse => b::access_pattern_ACCESS_PATTERN_REVERSE,
         }
     }
 
@@ -26,6 +28,7 @@ impl AccessPattern {
             b::access_pattern_ACCESS_PATTERN_CONST => Self::Const,
             b::access_pattern_ACCESS_PATTERN_SEQUENTIAL => Self::Sequential,
             b::access_pattern_ACCESS_PATTERN_RANDOM => Self::Random,
+            b::access_pattern_ACCESS_PATTERN_REVERSE => Self::Reverse,
             _ => {
                 panic!("Unknown Access Pattern! Probably forgot to update Rust to C logic");
             }
@@ -52,6 +55,7 @@ pub enum ErrorCodes {
     DropPageCacheFailedNoPermissions,
     DropPageCacheFailedOther,
     IncorrectFileBufferSize,
+    TooSmallFileBuffer,
 }
 
 impl ErrorCodes {
@@ -74,6 +78,7 @@ impl ErrorCodes {
                 b::error_codes_ERROR_CODES_DROP_PAGE_CACHE_FAILED_OTHER
             }
             Self::IncorrectFileBufferSize => b::error_codes_ERROR_CODES_INCORRECT_FILE_BUFFER_SIZE,
+            Self::TooSmallFileBuffer => b::error_codes_ERROR_CODES_TOO_SMALL_FILE_BUFFER,
         }
     }