From 2aa16eac445f484617241874225728bb54211020 Mon Sep 17 00:00:00 2001
From: Dhanya Thattil <dhanya.thattil@psi.ch>
Date: Tue, 7 Sep 2021 13:29:11 +0200
Subject: [PATCH] using md5.h

---
 slsDetectorSoftware/CMakeLists.txt |  2 ++
 slsDetectorSoftware/src/Module.cpp | 15 +++++++++++++--
 slsDetectorSoftware/src/Module.h   |  1 +
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/slsDetectorSoftware/CMakeLists.txt b/slsDetectorSoftware/CMakeLists.txt
index 91697a939..5b8335387 100755
--- a/slsDetectorSoftware/CMakeLists.txt
+++ b/slsDetectorSoftware/CMakeLists.txt
@@ -5,6 +5,7 @@ set(SOURCES
     src/CmdProxy.cpp
     src/CmdParser.cpp
     src/Pattern.cpp
+    ../slsSupportLib/opensslMd5/md5.c
 )
 
 add_library(slsDetectorObject OBJECT
@@ -34,6 +35,7 @@ set(PUBLICHEADERS
     include/sls/Detector.h
     include/sls/Result.h
     include/sls/Pattern.h
+    ../slsSupportLib/opensslMd5/md5.h
 )
 
 #Shared library
diff --git a/slsDetectorSoftware/src/Module.cpp b/slsDetectorSoftware/src/Module.cpp
index dcdd0b82f..b021c5634 100644
--- a/slsDetectorSoftware/src/Module.cpp
+++ b/slsDetectorSoftware/src/Module.cpp
@@ -1,5 +1,6 @@
 #include "Module.h"
 #include "SharedMemory.h"
+#include "md5.h"
 #include "sls/ClientSocket.h"
 #include "sls/ToString.h"
 #include "sls/bit_utils.h"
@@ -11,7 +12,6 @@
 #include "sls/string_utils.h"
 #include "sls/versionAPI.h"
 
-
 #include <algorithm>
 #include <array>
 #include <bitset>
@@ -3412,10 +3412,21 @@ sls_detector_module Module::readSettingsFile(const std::string &fname,
     return myMod;
 }
 
+std::string Module::calculateChecksum(char *buffer, ssize_t bytes) {
+    MD5_CTX c;
+    MD5_Init(&c);
+    MD5_Update(&c, bufer, bytes);
+    unsigned char out[MD5_DIGEST_LENGTH];
+    MD5_Final(out, &c);
+    return std::string(out);
+}
+
 void Module::programFPGAviaBlackfin(std::vector<char> buffer,
                                     const std::string &checksum) {
     uint64_t filesize = buffer.size();
-    LOG(logDEBUG1) << "checksum:" << checksum;
+    LOG(logINFOBLUE) << "checksum 1:" << checksum;
+    LOG(logINFOBLUE) << "checksum 2:"
+                     << calculateChecksum(buffer.data(), filesize);
 
     // send program from memory to detector
     LOG(logINFO) << "Sending programming binary (from pof) to module "
diff --git a/slsDetectorSoftware/src/Module.h b/slsDetectorSoftware/src/Module.h
index 89d9bfd77..a36c757d3 100644
--- a/slsDetectorSoftware/src/Module.h
+++ b/slsDetectorSoftware/src/Module.h
@@ -744,6 +744,7 @@ class Module : public virtual slsDetectorDefs {
     std::string getTrimbitFilename(detectorSettings settings, int e_eV);
     sls_detector_module readSettingsFile(const std::string &fname,
                                          bool trimbits = true);
+    std::string calculateChecksum(char *buffer, ssize_t bytes);
     void programFPGAviaBlackfin(std::vector<char> buffer,
                                 const std::string &checksum);
     void programFPGAviaNios(std::vector<char> buffer);