# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1391008805 -3600
# Node ID 571583642ce2e8e01aaea6229a4b4736ae2e4b28
# Parent  3e4c2433f12b00c01952dd4fe0265b48751a1157
Tool to recover compressed files

diff -r 3e4c2433f12b -r 571583642ce2 NEWS
--- a/NEWS	Mon Jan 13 16:29:09 2014 +0100
+++ b/NEWS	Wed Jan 29 16:20:05 2014 +0100
@@ -1,6 +1,7 @@
 Pending changes in the mainline
 ===============================
 
+* Maintenance tool to recover DICOM files compressed by Orthanc
 
 
 Version 0.7.2 (2013/11/08)
diff -r 3e4c2433f12b -r 571583642ce2 Resources/Samples/Tools/CMakeLists.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Resources/Samples/Tools/CMakeLists.txt	Wed Jan 29 16:20:05 2014 +0100
@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 2.8)
+
+project(OrthancTools)
+
+if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+  # Linking with "pthread" is necessary, otherwise the software crashes
+  # http://sourceware.org/bugzilla/show_bug.cgi?id=10652#c17
+  link_libraries(pthread dl)
+endif()
+
+set(STATIC_BUILD ON)
+set(ALLOW_DOWNLOADS ON)
+
+set(ORTHANC_ROOT ${CMAKE_SOURCE_DIR}/../../..)
+
+include(CheckIncludeFiles)
+include(CheckIncludeFileCXX)
+include(CheckLibraryExists)
+include(${ORTHANC_ROOT}/Resources/CMake/Compiler.cmake)
+include(${ORTHANC_ROOT}/Resources/CMake/DownloadPackage.cmake)
+include(${ORTHANC_ROOT}/Resources/CMake/BoostConfiguration.cmake)
+include(${ORTHANC_ROOT}/Resources/CMake/ZlibConfiguration.cmake)
+
+add_library(CommonLibraries
+  ${BOOST_SOURCES}
+  ${THIRD_PARTY_SOURCES}
+  ${ORTHANC_ROOT}/Core/OrthancException.cpp
+  ${ORTHANC_ROOT}/Core/Toolbox.cpp
+  ${ORTHANC_ROOT}/Core/Uuid.cpp
+  ${ORTHANC_ROOT}/Resources/md5/md5.c
+  ${ORTHANC_ROOT}/Resources/base64/base64.cpp
+  )
+
+add_executable(RecoverCompressedFile
+  RecoverCompressedFile.cpp
+  ${ORTHANC_ROOT}/Core/Compression/BufferCompressor.cpp
+  ${ORTHANC_ROOT}/Core/Compression/ZlibCompressor.cpp
+  )
+
+target_link_libraries(RecoverCompressedFile CommonLibraries)
diff -r 3e4c2433f12b -r 571583642ce2 Resources/Samples/Tools/RecoverCompressedFile.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Resources/Samples/Tools/RecoverCompressedFile.cpp	Wed Jan 29 16:20:05 2014 +0100
@@ -0,0 +1,56 @@
+#include "../../../Core/Compression/ZlibCompressor.h"
+#include "../../../Core/Toolbox.h"
+#include "../../../Core/OrthancException.h"
+
+#include <stdio.h>
+
+int main(int argc, const char* argv[])
+{
+  if (argc != 2 && argc != 3)
+  {
+    fprintf(stderr, "Maintenance tool to recover a DICOM file that was compressed by Orthanc.\n\n");
+    fprintf(stderr, "Usage: %s <input> [output]\n", argv[0]);
+    fprintf(stderr, "If \"output\" is not given, the data will be output to stdout\n");
+    return -1;
+  }
+
+  try
+  {
+    fprintf(stderr, "Reading the file into memory...\n");
+    fflush(stderr);
+
+    std::string content;
+    Orthanc::Toolbox::ReadFile(content, argv[1]);
+
+    fprintf(stderr, "Decompressing the content of the file...\n");
+    fflush(stderr);
+
+    Orthanc::ZlibCompressor compressor;
+    std::string uncompressed;
+    compressor.Uncompress(uncompressed, content);
+
+    fprintf(stderr, "Writing the uncompressed data...\n");
+    fflush(stderr);
+
+    if (argc == 3)
+    {
+      Orthanc::Toolbox::WriteFile(uncompressed, argv[2]);
+    }
+    else
+    {
+      if (uncompressed.size() > 0)
+      {
+        fwrite(&uncompressed[0], uncompressed.size(), 1, stdout);
+      }
+    }
+
+    fprintf(stderr, "Done!\n");
+  }
+  catch (Orthanc::OrthancException& e)
+  {
+    fprintf(stderr, "Error: %s\n", e.What());
+    return -1;
+  }
+
+  return 0;
+}